Mitsubishi M-P0398 TECHNICAL MANUAL

June 2008
Air to Water (ATW) Heat pump, Interface (I/F) and Flow temp. controller (FTC) Technical manual
CONTENTS
1. What is ATW heat pump? .......................................................2
2. Heat pump unit_General information ...................................4
3. System design ......................................................................15
4. Interface (I/F) ........................................................................23
5. Flow temp. controller (FTC) .................................................55
6. Requirements........................................................................90
What is ATW heat pump?1
1-1. Compare with conventional fossil fuel boiler
• Heat pumps produce water at 30°C – 60°C
• Ideal for underfl oor heating
• Average underfl oor heating circuit 35°C
• Fossil fuel boilers heat water to 80°C
• Flow temp in rads design temp approx 70°C
• Heat pumps can still be used with radiators
• Larger surface area to emit heat from lower temp water
1-2. Points to notice
1-2-1. Design (Radiator sizing)
• Careful consideration must be given to appropriate application of this technology to maximise its benefi ts – it will not suit all properties, especially many retrofi ts
• Heat emitters may need to be larger
• Lower fl ow temperatures maximise COP
• Various regulations apply to the design and installation of such systems
• Because the fl ow temp. of heat pump is low compare to fossile fuel boiler, the temperature difference between the primary (fl ow water) and secondary (room air) becomes little, it makes the heat emission little. To emit the same amount of heat energy, it is needed to select the radiator that has a larger surface area. Be especially careful of the surface area when you design the radiator.
1-2-2. Defrost
Note: Occasionally, vapor that is made by the defrost operation may seem as if smoke come up from the outdoor unit.
1-2-3. Water Pressure loss (for packaged type outdoor unit)
• Water pressure lose of the heat exchangers are as follows.
Be aware of the infl uence when you design total pipng system.
Hex for PUHZ-W50VHA (ACH30-30Plates)
Secondary (Water - side) Flow rate (L/min) 5 10 15 20 25 30 Pressure Loss (kPa) 1.7 6.0 12.4 20.9 31.4 43.8
Pressure loss (kPa)
50 45 40 35 30 25 20 15 10
5 0
51015202530
Flow rate (L/min)
2
Hex for PUHZ-W85VHA (ACH30-40Plates)
Secondary (Water - side) Flow rate (L/min) 5 10 15 20 25 30 Pressure Loss (kPa) 1.0 3.6 7.5 12.5 18.8 26.2
Pressure loss (kPa)
30.0
25.0
20.0
15.0
10.0
5.0
0.0 51015202530
Flow rate (L/min)
Hex for PUHZ-W112, 140VHA / YHA (ACH50-50Plates)
Secondary (Water - side) Flow rate (L/min) 15 30 45 60 75 90 Pressure Loss (kPa) 1.3 4.9 10.9 19.3 29.9 42.8
Pressure loss (kPa)
45.0
40.0
35.0
30.0
25.0
20.0
15.0
10.0
5.0
0.0 15 30 45 60 75 90
Flow rate (L/min)
33
Heat pump unit_General information2
2-1. Line-up
2-1-1. Outdoor unit for Air to water (1) Packaged type: The Air to Water outdoor unit with a plate HEX (refrigerant-water) inside
Connectable models
Capacity
( HP )
2 PUHZ-W50VHA — 3 PUHZ-W85VHA — 4 PUHZ-HW112YHA 5 PUHZ-HW140VHA PUHZ-HW140YHA
1-phase 3-phase 1-phase 3-phase
(2) Split type: The standard outdoor unit without a plate HEX (refrigerant-water) inside
Connectable models
Capacity
( HP )
2.5 PUHZ-RP60VHA3#1 — 3 PUHZ-RP71VHA3#1 PUHZ-HRP71VHA(2) — 4 PUHZ-RP100VHA3#1 PUHZ-RP100YHA3#1 PUHZ-HRP100VHA(2) PUHZ-HRP100YHA(2) 5 PUHZ-RP125VHA2#2 PUHZ-RP125YHA2#2 PUHZ-HRP125YHA(2) 6 PUHZ-RP140VHA2#2 PUHZ-RP140YHA2#2
* Outdoor units (PUHZ-RP or PUHZ-P) other than the above-mentioned become possible by connecting TH5 ( 2-phase refrig-
erant temp. thermistor ) with the interface only for Air to Air use.
1-phase 3-phase 1-phase 3-phase
Packaged models ZUBADAN-Packaged models
Split Replace inverter models Split ZUBADAN models
2-1-2. Air to Air application
INTER FACE MODEL NAME PAC-IF011B-E / PAC-IF010-E
AUTO STEP *1
MANUAL STEP *2
MANUAL STEP MODE is New function of INTER FACE (Fixed capacity = Compressor frequency (Hz) fi xed mode) .
<Old models : The models that are not described in the table above.>
*1: With(Auto-mode)+(SW2-6 is OFF)+(2phase thermistor), all A-control outdoor units are able to connect to PAC-IF010/ *2: With(Manual-mode)+(SW2-6 is OFF)+(2phase thermistor), from following RP type outdoor units are able to connect to
OUTDOOR UNIT 35 50 60 71 100 125 140 200 250
PUHZ-HRP VHA(2) V/YHA(2) YHA(2) — PUHZ-RP VHA3 VHA3 VHA3 VHA3 V/YHA3 V/YHA2 V/YHA2 YHA2 YHA2 PUHZ-P VHA2 VHA2 VHA2 YHA YHA SUZ-KA VA VA VA VA — PUH-P V/YHA V/YHA YHA YHA MYA MYA
OUTDOOR UNIT 35 50 60 71 100 125 140 200 250
PUHZ-HRP VHA V(Y)HA YHA — PUHZ-RP VHA3 VHA3 VHA3 VHA3 V/YHA3 V/YHA2 V/YHA2 YHA2 YHA2
2 Phase (Gas/Liquid) pipe thermistor is required (TH5). Also, Interface P.C.B. SW2-6 need to be set "OFF (No LEV self control mode)" .
011B-E only for Air to Air use. PAC-IF010/011B-E only for Air to Air use.
PUHZ-RP35V, 50V, 60V, 71V,100V/Y,125V/Y,140V/YHA2 PUHZ-RP200Y, 250YHA
²
¹
4
2-1-3. Reference manual
Outdoor unit Service
PUHZ-W50VHA PUHZ-W85VHA PUHZ-HW112YHA PUHZ-HW140VHA PUHZ-HW140YHA PUHZ-RP60VHA3#1 PUHZ-RP71VHA3#1 PUHZ-RP100VHA3#1 PUHZ-RP125VHA2#2 PUHZ-RP140VHA2#2 PUHZ-RP100YHA3#1 PUHZ-RP125YHA2#2 PUHZ-RP140YHA2#2 PUHZ-HRP71VHA(2) PUHZ-HRP100VHA(2) PUHZ-HRP100YHA(2) PUHZ-HRP125YHA(2)
manual
OCH439 OCB439
OC374 OC374
OCH425 OCB425
Parts catalog
I/F
FTC
2-2. Data
2-2-1. Packaged type Refer to each model's service manual.
2-2-2. Split [1]
Specifi cations(Reference data(connect to plate heat exchanger))
Rating conditions
Nominal operating condition
Heating (A2/W35)
Outside air temperature (Dry-bulb) +2 Outside air temperature (Wet-bulb) +1 Water temperature (inlet/outlet) +30/+35
Heating (A7/W35)
Outside air temperature (Dry-bulb) +7 Outside air temperature (Wet-bulb) +6 Water temperature (inlet/outlet) +30/+35
Heating (A7/W45)
Outside air temperature (Dry-bulb) +7 Outside air temperature (Wet-bulb) +6 Water temperature (inlet/outlet) +40/+45
: :
:
: :
:
: :
:
Type Model name Parts catalog cased PAC-IF011B-E OCB427 PCB only PAC-IF010-E — cased PAC-IF021B-E OCB427 PCB only PAC-IF020-E
55
(1) PUHZ-HRP • V/YHA2
Outdoor unit
Model name PUHZ-HRP71VHA2
Power supply (Phase, Voltage, Frequency)
Breaker size A 32
Nominal water fl ow L/min 22.9
Heating (A2/W35)
Heating (A7/W35)
Heating (A7/W45)
Outdoor unit
Model name
Power supply (Phase, Voltage, Frequency)
Breaker size A 40 / 16
Nominal water fl ow L/min 32.1 Heating (A2/W35)
Heating (A7/W35)
Heating (A7/W45)
Heating (A7/W55)
Outdoor unit
Model name PUHZ-HRP125YHA2
Power supply (Phase, Voltage, Frequency)
Breaker size A 16
Nominal water fl ow L/min 40.1 Heating (A2/W35)
Heating (A7/W35)
Heating (A7/W45)
Capacity kW 8.00 COP 3.24 Power input 2.47 Capacity kW 8.00 COP 4.40 Power input 1.82 Capacity kW 8.00 COP 3.24 Power input 2.47
Capacity kW 11.20 COP 3.02 Power input 3.71 Capacity kW 11.20 COP 4.26 Power input 2.63 Capacity kW 11.20 COP 3.24 Power input 3.46 Capacity kW 11.20 COP 2.40 Power input 4.67
Capacity kW 14.00 COP 2.70 Power input 5.19 Capacity kW 14.00 COP 4.22 Power input 3.32 Capacity kW 14.00 COP 3.20 Power input 4.38
1[, 230V, 50Hz
PUHZ-HRP100VHA2 / PUHZ-HRP100YHA2
1[, 230V, 50Hz /
3[, 400V, 50Hz
3[, 400V, 50Hz
Guaranteed operating range (Outdoor)
Heating Cooling
: :
-25 ~ +35
-5 ~ +46
Plate heat exchanger
ALFA LAVAL
ACH50
A: 50 mm B: 466 mm
Ref.IN
(Heating)
w
Water OUT
B
W: 112 mm H: 526 mm D: 130 mm 50 plates
Ref.OUT (Heating)
A
H
Water IN
D
Refrigerant pipng length from outdoor unit to heat exchanger (Water HEX): 5m
Maximum outlet water temperature
65
]
60
55
50
45
Maximum outlet water temptemperature [°C
40
-25 -20
-15 -10 -5 0 5 10
Ambient temperature [°C]
The performance might be decreased by the refrigerant pipng length, insulation of refrigerant pipng and heat exchanger (Water HEX).
6
(2) PUHZ-RP • VHA3/YHA3(2)
Outdoor unit
Model name PUHZ-RP60VHA3#1
Power supply (Phase, Voltage, Frequency)
Breaker size A 25
Nominal water fl ow L/min 20.1 Heating
(A2/W35)
Heating (A7/W35)
Heating (A7/W45)
Outdoor unit
Model name PUHZ-RP71VHA3#1
Power supply (Phase, Voltage, Frequency)
Breaker size A 25
Nominal water fl ow L/min 22.9 Heating
(A2/W35)
Heating (A7/W35)
Heating (A7/W45)
Capacity kW 6.80 COP 2.94 Power input kW 2.31 Capacity kW 7.00 COP 4.29 Power input kW 1.63 Capacity kW 7.00 COP 3.27 Power input kW 2.14
Capacity kW 7.50 COP 2.92 Power input kW 2.57 Capacity kW 8.00 COP 4.21 Power input kW 1.90 Capacity kW 8.00 COP 3.20 Power input kW 2.50
1[, 230V, 50Hz
1[, 230V, 50Hz
Guaranteed operating range (Outdoor)
Heating Cooling : -5 ~ +46
:
-11 ~ +35
Plate heat exchanger
ALFA LAVAL
ACH50
A: 50 mm B: 466 mm
Ref.IN
(Heating)
w
Water OUT
B
W:112 mm H: 526 mm D: 82 mm 30 plates
Ref.OUT (Heating)
A
H
Water IN
D
Refrigerant pipng length from outdoor unit to heat exchanger (Water HEX): 5m
Maximum outlet water temperature
65
]
60
55
50
Maximum outlet water temptemperature [°C
45
-10 -5 0 5 10
Ambient temperature [°C]
The performance might be decreased by the refrigerant pipng length, insulation of refrigerant pipng and heat exchanger (Water HEX).
7
Outdoor unit
Model name
Power supply (Phase, Voltage, Frequency)
Breaker size A 32 / 16
Nominal water fl ow L/min 32.1 Heating
(A2/W35)
Heating (A7/W35)
Heating (A7/W45)
Outdoor unit
Model name
Power supply (Phase, Voltage, Frequency)
Breaker size A 32/16
Nominal water fl ow L/min 40.1 Heating
(A2/W35)
Heating (A7/W35)
Heating (A7/W45)
Outdoor unit
Model name
Power supply (Phase, Voltage, Frequency)
Breaker size A 40/16
Nominal water fl ow L/min 45.9 Heating
(A2/W35)
Heating (A7/W35)
Heating (A7/W45)
Capacity kW 10.50 COP 2.90 Power input kW 3.62 Capacity kW 11.20 COP 4.21 Power input kW 2.66 Capacity kW 11.20 COP 3.20 Power input kW 3.50
Capacity kW 11.50 COP 2.70 Power input kW 4.26 Capacity kW 14.00 COP 4.15 Power input kW 3.37 Capacity kW 14.00 COP 3.10 Power input kW 4.51
Capacity kW 11.70 COP 2.69 Power input kW 4.35 Capacity kW 16.00 COP 3.90 Power input kW 4.10 Capacity kW 16.00 COP 3.00 Power input kW 5.34
PUHZ-RP100VHA3#1 / PUHZ-RP100YHA3#1
1[, 230V, 50Hz /
3[, 400V, 50Hz
PUHZ-RP125VHA2#2 / PUHZ-RP125YHA2#2
1[, 230V, 50Hz /
3[, 400V, 50Hz
PUHZ-RP140VHA2#2 / PUHZ-RP140YHA2#2
1[, 230V, 50Hz /
3[, 400V, 50Hz
Guaranteed operating range (Outdoor)
Heating Cooling
: :
-20 ~ +35
-5 ~ +46
Plate heat exchanger
ALFA LAVAL
ACH50
A: 50 mm B: 466 mm
Ref.IN
(Heating)
w
Water OUT
B
W:112 mm H: 526 mm D: 130 mm 50 plates
Ref.OUT (Heating)
A
H
Water IN
D
Refrigerant pipng length from outdoor unit to heat exchanger (Water HEX): 5m
Maximum outlet water temperature
65
]
60
55
50
45
Maximum outlet water temptemperature [°C
40
-20 -15
-10 -5 0 5 10
Ambient temperature [°C]
The performance might be decreased by the refrigerant pipng length, insulation of refrigerant pipng and heat exchanger (Water HEX).
8
[2]
Standard operation data <Split> Reference data (connect to Plate HEX)
(1) PUHZ-HRP • V/YHA2
Mode
Capacity W 7,100 8,000 10,000 11,200 12,500 14,000
Total
Input kW 2.20 1.82 3.67 2.61 4.80 3.50 Outdoor unit PUHZ-HRP71VHA2 Phase, Hz 1, 50 1/3, 50 3, 50
Voltage V 230 230 / 400 400
Electrical circuit
Current A 9.9 8.2 16.5/5.6 11.7/4.0 7.3 5.3 Discharge pressure MPa 2.4 2.0 2.6 2.1 2.8 2.3 Suction pressure MPa 0.8 0.7 0.8 0.7 0.8 0.7 Discharge temperature Condensing temperature Suction temperature Evaporating temperature Evaporator inlet temperature
Refrigerant circuit
Evaporator outlet temperature Condenser inlet temperature Condenser outlet temperature
Cooling
(A35/W7)
: : : : : : : :
70 60 78 63 84 70 42 35 46 36 47 39 12 6 11 4 10 3
525251 5—5—5—
5—5—5— —55—60—65 —33—31—30
Heating
(A7/W35)
ACH50-50 plates
Cooling
(A35/W7)
PUHZ-HRP100VHA2/ PUHZ-HRP100YHA2
Heating
(A7/W35)
Cooling
(A35/W7)
PUHZ-HRP125YHA2
Heating
(A7/W35)
Flow volume L/min 20.4 22.9 28.7 34.4 35.8 40.1
Water
Outlet water temperature
conditions
D.B.
Intake air temperature
Outdoor
conditions
The unit of pressure has been changed to MPa based on international SI system. The conversion factor is : 1(MPa)=10.2(kgf/F)
W.B.
:
:
:
735735735
35 7 35 7 35 7
24 6 24 6 24 6
9
(2) PUHZ-RP • VHA3/YHA3(2)
Mode
Capacity W 6,000 7,000 6,600 8,000 9,100 11,200
Total
Input kW 2.31 1.63 2.59 1.90 3.31 2.66 Outdoor unit PUHZ-RP60VHA3#1 PUHZ-RP71VHA3#1 Phase, Hz 1, 50 1, 50 1/3, 50
Voltage V 230 230 230 / 400 Current A 10.3 7.2 11.4 8.4 14.5 / 5.1 11.8 / 4.1
Electrical circuit
Discharge pressure MPa 2.7 2.1 2.7 2.2 2.6 2.1 Suction pressure MPa 0.8 0.7 0.8 0.7 0.8 0.7 Discharge temperature Condensing temperature Suction temperature Evaporating temperature Evaporator inlet temperature
Refrigerant circuit
Evaporator outlet temperature Condenser inlet temperature Condenser outlet temperature
: : : : : : : :
ACH50-30 plates ACH50-50 plates
Cooling
(A35/W7)
70 65 70 66 74 65 45 36 45 36 44 36
454265 515151 6—6—5—
5—5—5— —56—57—58 —34—33—35
Heating
(A7/W35)
Cooling
(A35/W7)
Heating
(A7/W35)
Cooling
(A35/W7)
PUHZ-RP100VHA3#1/ PUHZ-RP100YHA3#1
Heating
(A7/W35)
Flow volume L/min 17.2 20.1 18.9 22.9 26.1 32.1
Water
Outlet water temperature
conditions
D.B.
Intake air temperature
Outdoor
conditions
The unit of pressure has been changed to MPa based on international SI system. The conversion factor is : 1(MPa)=10.2(kgf/F)
W.B.
:
:
:
7 35 7 35 7 35
357357357
246246246
10
ACH50-50 plates
Mode
Capacity W 12,000 14,000 12,500 16,000 Input kW 5.10 3.37 5.38 4.10
Total
Outdoor unit Phase, Hz 1 / 3, 50 1 / 3, 50
circuit
Voltage V 230 / 400 230 / 400
Electrical
Current A 22.4 / 7.6 15.0 / 5.2 23.6 / 8.1 18.2 / 6.2 Discharge pressure MPa 2.8 2.1 2.8 2.2 Suction pressure MPa 0.7 0.7 0.7 0.7 Discharge temperature Condensing temperature Suction temperature Evaporating temperature Evaporator inlet temperature
Evaporator outlet temperature
Refrigerant circuit
Condenser inlet temperature Condenser outlet temperature
Flow volume L/min 34.4 40.1 35.8 45.9
: : : : : : : :
Cooling
(A35/W7)
PUHZ-RP125VHA2#2/ PUHZ-RP125YHA2#2
80 69 81 67 46 36 46 36
3431 5-15-1 6—6—
5—5— —63—61 —35—34
Heating
(A7/W35)
Cooling
(A35/W7)
PUHZ-RP140VHA2#2/ PUHZ-RP140YHA2#2
Heating
(A7/W35)
Water
Outlet water temperature
conditions
D.B.
Intake air temperature
Outdoor
conditions
The unit of pressure has been changed to MPa based on international SI system. The conversion factor is : 1(MPa)=10.2(kgf/F)
W.B.
:
:
:
735735
357357
246246
11
[4]
Capacity correction curves (Refrigerant pipng length)
Cooling and heating capacity is lowered according to pipe length. Capacity can be obtained by referring to the capacity curves below.
Cooling
100
Heating
95
90
85
80
Capacity ratio [%]
75
Note: The permitted pipe length is up to 55m for RP 60, 71 model. The permitted pipe length is up to 80m for HRP71 and 100~ 140 model.
70
5 101520253035404550556065707580
Corrected pipe length [m]
[5]
Refrigerant circuit diagram (Representative pattern)
PUHZ-HRP
Water OUT
Plate HEX
Water IN
Thermistor TH1 (Outlet water)
Thermistor TH2 (Liquid pipe)
V/YHA2 + Plate HEX (ACH50) + FTC (TH1/2)
Ball valve
Refrigerant GAS pipe connection (5/8 inch)
Linear expansion valve B
Refrigerant LIQUID pipe connection (3/8 inch)
Stop valve (with service port)
Strainer #50
Charge plug (Low pressure)
Strainer #100
Strainer #100
Solenoid valve (Four-way valve)
Power receiver
Linear expansion valve C
Low pressure switch 63L
Strainer #100
Cooling 60 models
P-sensor
Charge plug (High pressure)
Muffler
Strainer #100
Compressor
Heat exchanger
High pressure switch 63H
Thermistor TH32 (Outdoor pipe)
Thermistor TH4 (Discharge)
Linear expansion valve A
Injection port
Heat interchange circuit
Heating
Cooling 71 model
Cooling 100 model
Cooling 125 model
Cooling 140 model
Thermistor TH7 (Outdoor)
Thermistor TH6 (Outdoor 2-phase pipe)
Thermistor TH3 (Outdoor pipe)
Distributor
Thermistor TH33
Strainer #100
Refrigerant flow in cooling Refrigerant flow in heating
(Outdoor pipe)
Restrictor valve
Bypass valve
Replace filter
Strainer #100
12
[6]
Notifi cation to design/select HEX (Refrigerant - Water)
• Specifi cations of AHU and compatibility with regulations must be confi rmed by your company.
• Selection of an apporopriate AHU (with appropriate specifi cations to match those of units connected to the AHU such as confi guration, dimension, life-span, vibration, noise level, or features) must be made by your company.
• Mitsubishi Electric shall not be liable for any damage to the entire system or the AHU main body caused by connected AHU with wrong specifi cation or wrong usage of AHU.
• Mitsubishi Electric shall not be liable for any damage to the outdoor units caused by AHU damage.
( AHU : hydro box or refrigerant - water HEX )
Heat exchanger
(1) Withstanding pressure
Designed pressure of outdoor unit is 4.15 MPa. Following must be satisfi ed for burst pressure of connecting application. Burst pressure : More than 12.45 MPa (3 times more than designed pressure)
(2) Performance
Secure the heat exchanger capacity which meets the following conditions. If the conditions are not met, it may result in malfunction caused by the protection operation or the outdoor unit may be turned off due to the operation of protection system.
1. Evaporate temperature is more than 4: in max. frequency operation under *1 the cooling rated conditions.
2. In case of hot water supply, condense temperature is less than 58: in max. frequency operation with the outside tem­perature 7:D.B./6:W.B. *1. Outdoor: 35:D.B./24:W.B.
(3) Heat exchanger internal capacity
Heat exchanger internal capacity must be within the capacity range shown below. If the heat exchanger below the mini­mum capacity is connected, it may result in the back fl ow of liquid or the failure of the compressor. If the heat exchanger above the maximum capacity is connected, it may result in the defi ciency in performance due to lack of refrigerant or overheating of the compressor. Minimum capacity : 10 х Model capacity [J] / Maximum capacity : 30 х Model capacity [J] e.g. When connecting to PUHZ-HRP100 VHA2
Minimum capacity : 10 х 100 =1000
Maximum capacity : 30 х 100 =3000 Model capacity 60(2.5HP) 71(3HP) 100(4HP) 125(5HP) 140(6HP) Maximum capacity [J] 1800 2130 3000 3750 4200 Minimum capacity [J] 600 710 1000 1250 1400
J J
Warranty for SPILIT solution
(4) Contamination maintenance
1. Wash the inside of heat exchanger to keep it clean. Be sure to rince not to leave fl ux. Do not use chlorine detergent for wash.
2. Be sure that the amount of contamination per unit cubic content of heat transfer pipe is less than the following amount. Example) In case of [ 9.52mm Residual water : 0.6M/C, Residual oil : 0.5M/C, Solid foreign object : 1.8M/
Note:
• Install the hydraulic fi lter at the water intake.
• Use the inlet water of higher than 5 ˚C and lower than 55 ˚C.
• The water in a system should be clean and with pH value of 6.5-8.0.
• The followings are the maximum values; Calcium : 100mg/L Chlorine : 100mg/L Iron/manganese : 0.5mg/L
• Refrigerant pipe diameter from outdoor unit to refrigerant-water HEX (Only for SPLIT type) Use the pipe with same diameter size as the refrigerant pipe connection diameter of outdoor unit.(Refer to outdoor unit installation manual.)
• Make sure to perform the frozen prevention measure for water pipe system.(Water piping insulation, back-up pump system, using of a certain % ethylene glycol instead of normal water)
[Reference]
TB142 has for “Forced Comp. OFF” function as the EXTERNAL INPUT(Contact signal). To input the abnormal signal of water pump or the abnormal lowering of water fl ow amount with non-voltage contact signal makes the outdoor unit stop forcibly. For details, refer to each part of I/F or FTC on this manual.
C
13
• The water velocity in pipes should be kept within certain limits of material to avoid erosion,corrosion and excessive noise generation. Be aware, and take care of , that local velocities in small pipes, bends and similar obstructions can exceed the values of previous page.
e.g.) Copper : 1.5m/s
Warning
• Use clean enough water which meets water quality standards. The deterioration of water quality may result in the sys­tem breakdown or the water leakage.
• Never use anything other than water as a medium. It may cause a fi re or an explosion.
• Do not use heated or cooled water that is produced by the air to water heat pump directly for drinking or cooking. There is a risk to damage your health. There is also a risk that installing the water heat exchanger may corrode if the necessary water quality for air to water heat pump system cannot be maintained. If you wish to use the heated or cooled water from the heated pump for these purposes, take measure such as to the second heat exchanger within the water piping system.
Reference data
Required specifi cation and performance of Plate Heat Exchanger.
Required specifi cation
Refrigerant type R410A
Refrigerant side
Water side
Burst pressure 12.45MPa (4.15MPa ×3) or more Frozen performance Satisfy an initial performance since 5 times or more of deep freezing. Heat cycle 70,000 times or more…Temperature difference: about 50K Endurance pressure 72,000 times or more…Pressure difference: 3.3MPa (0 3.3MPa)
Normal (designed) pressure 4.15MPa Operating temperature -20~100 Refrigerant type Clean water Normal (designed) pressure 1.5MPa Operating temperature -20~90: (No freezing)
:
Required performance
< For 2.5~3 HP >
Required performance of Plate Heat Exchanger kW 9.0 9.0
Inlet temperature degC 75 100 Gas pipe: [12.7mm
Refrigerant side (R410A)
Water side
* For heating mode, used at counter fl ow direction between refrigerant fl ow and water one. < For 4~6 HP >
Required performance of Plate Heat Exchanger kW 14.0 14.0
Refrigerant side (R410A)
Water side
* For heating mode, used at counter fl ow direction between refrigerant fl ow and water one.
Condensing temperature degC 39.5 63.5 Liquid pipe: [9.52mm Subcool degC 2 2 Max. pressure loss kPa 50 50 Inlet temperature degC 30 55 Inlet / outlet pipe: [28.6mm Outlet temperature degC 35 60 Water fl ow volume L/min 25.8 25.8 Max. pressure loss kPa 50 50
Inlet temperature degC 75 100 Gas pipe: [15.88mm Condensing temperature degC 39.5 63.5 Liquid pipe: [9.52mm Subcool degC 2 2 Max. pressure loss kPa 50 50 Inlet temperature degC 30 55 Inlet / outlet pipe: over [28.6mm Outlet temperature degC 35 60 Water fl ow volume L/min 40.1 40.1 Max. pressure loss kPa 50 50
14
System design3
3-1. System type
* with step I/F by digital/analog signals * with FTC simple/basic/analog temp.
Application Capacity control For Model name Type
Local controller
Air to Air
I/F
Local controller
Air to Water
FTC
* PAC-IF010-E, PAC-IF020-E : PCB 10pcs/set
3-2. Combination of remote controller
Remote controller model Connected object Connectability PAR-21MAA (Standard) I/F
PAR-W21MAA (Only for FTC) I/F NG (Continue to indicate “PLEASE WAIT”)
PAR-20MAA (Standard) I/F NG (Continue to indicate “PLEASE WAIT”) (Old ) FTC NG (Continue to indicate “PLEASE WAIT”)
Manufacturer PAC-IF010-E * Individual installer PAC-IF011B-E Cased Manufacturer PAC-IF010-E * PCB only Individual installer PAC-IF011B-E Cased
STEP I/F
Manufacturer PAC-IF010-E * PCB only Individual installer PAC-IF011B-E Cased Manufacturer PAC-IF020-E * Individual installer PAC-IF021B-E Cased with R/C
FTC
OK
FTC NG (Continue to indicate “PLEASE WAIT”)
FTC OK
PCB only
PCB only
3-3. Flow chart to check system type
ATW
application
IF
start
Variable capacity request signals for Heat Pump is calculated...
DIGITAL STEP SYSTEM
IF PCB System controller
By local controller (your side)
By Non-voltage Contact signals
ON/OF
Operation mode
-Heating
-Cooling
capacity signals protocol is...
digital step (non-voltage contact)
Your system is DIGITAL STEP SYSTEM (IF)
(locally supplied)
End user interface
Analog (0-10v/4-20mA…)
Your system is ANALOG STEP SYSTEM (IF)
ANALOG STEP SYSTEM
By Non-voltage
IF PCB System
Contact signals
ON/OF
Operation mode
-Heating
-Cooling
controller (locally supplied)
End user interface
By our FTC
Remote
for maintenance
- to check error code
Capacity steps
By Non-voltage Contact signals
1515
Capacity
Remote
For maintenance purpose
- analog signal parameters
steps By Analog signal
4-20mA / 1-5V / 0-10V
Continued to next page.
FTC
By our FTC
Heat Pump switch ON/OFF and the operation mode change is done…
By remote controller
Your system is
SIMPLE SYSTEM.
(FTC)
By external signals from local controller (non-voltage contact signals)
Your system is
‘Target flow temperature’ is set…
By remote controller
BASIC SYSTEM.
(FTC)
By external signals from local controller (Analog signal:4-20mA/ 1-5V/ 0-10V)
Your system is ANALOG TEMP. SYSTEM.
(FTC)
SIMPLE SYSTEM BASIC SYSTEM
By Non-voltage Contact signals
FTC PCB BOX FT C PCB BOX FTC PCB BOX
ON/OFF
Operation mode
Target flow temp.
Remote controller
End user interface
Target flow temp.
Remote controller
Topreset
- target temp. for eachmode
- target temp. parameters
ON/OFF
Operation mode
- Heating
- Heating ECO
- Hot water
- Anti freeze
- Cooling
System controller (locally supplied)
End user interface
ANALOG TEMP. SYSTEM
Remote controller
Topreset
- analog signal parameters
By Non-voltage Contact signals
ON/OFF
Operation mode
- Heating +
- Cooling
Target flow temp. Analog signal
4-20mA/1-5V/0-10V
+In this system,
• Heating ECO mode of FTC is not available.
• It is NOT necessary to switch operation mode to realize Hot water mode, Anti freeze mode and Heating ECO mode. Simply change the target temp. by Analog signal.
System controller
(locally supplied)
End user interface
16
ATA
application
IF
start
Variable capacity request signals for Heat Pump is calculated...
By local controller (your side)
capacity signals protocol is...
Analog (0-10v/4-20mA…)
AUTO STEP SYSTEM
IF PCB
ON/OFF
Operation mode
Target retern air temp.
Remote controller
End user interface
By our IF
Your system is AUTO STEP SYSTEM (IF)
DIGITAL STEP SYSTEM
By Non-voltage Contact signals
IF PCB
Remote
controller
for maintenance
- to check error code
ON/OF
Operation mode
-Heating
-Cooling
Capacity steps
By Non-voltage Contact signals
System controller (locally suppliied)
End user interface
digital step (non-voltage contact)
Your system is DIGITAL STEP SYSTEM (IF)
ANALOG STEP SYSTEM
By Non-voltage Contact signals
IF PCB
Remote controller
For maintenance purpose
- analog signal
Your systemis ANALOG STEP SYSTEM (IF)
System controller
ON/OF
Operation mode
-Heating
-Cooling
Capacity steps
By Analog signal 4-20mA / 1-5V / 0-10V
(locally suppliied)
End user interface
17
6
5
2
1
1
8
1
2
1
8
1
8
4
3
TH1
OFF/ONOFF/ON
OFF/ON
OFF/ON
TB61
TH2
6
5
214
3
+
TB62
Adjustable resistor
4-20mA/1-5V/0-10V
Wired Remote Controller
(For Maintenance)
6
5
2
1
4
3
8
7
10
9
11
13
12
14
6
5
2
1
4
3
8
7
10
9
11 13
12 14
TB142 TB141
(External Output)
(External Input)
L
N
S1 S2 S3
L
N
S1 S2 S3
TB6
DC311~
339V
FUSE
SW6
LED1
RECTIFICATION
LED2
LED3
LED4
LED5
CNS2
(RED)
Interface controller
TO OUTDOOR UNIT
U
U
DSA
21
SYMBOL
INTERFACE CONTROLLER
TB6
TB141
TB142
TB62
TB61
LED1
LED2~5
FUSE
SW1
SW2
SW3
SW6
ZNR01,02
DSA
X1
~
X6
TH1
TH2
TH5
NAME
TERMINAL BLOCK(INTERFACE/OUTDOOR CONNECTING LINE)
TERMINAL BLOCK (External Output)
TERMINAL BLOCK (External Input REMOTE SWITCH)
TERMINAL BLOCK (External Input)
THERMISTOR(TARGET, PIPE)
POWER SUPPLY(I/F)
OPERATION INDICATION
FUSE(T3.15AL250V)
SWITCH(Input selection of inverter capacity setting) *See table 4.
SWITCH(Function switch)*See table 5 and 6.
SWITCH(LED2~5 Display setting)
SWITCH(4-20mA/1-5V/0-10V switch)*See table 4.
VARISTOR
SURGE ABSORBER
RELAY
TARGET TEMP. THERMISTOR
(0
/15k, 25/5.2k DETECT)
PIPE TEMP . THERMIST OR/LIQUID
(0
/15k, 25/5.2k DETECT)
PIPE TEMP . THERMIST OR/2-PHASE
(0
/15k, 25/5.2k DETECT)
TB6
TO OUTDOOR UNIT
POWER SUPPLY
~/N
21354678
TB141
11 10
9
121314
ZNR01
ZNR02
21354678
TB142
I/F
9
X1 X2 X3 X4 X5 X6
Item
Operation Output
Error Output
Comp. Output
Defrost Output
Mode(Cool) Output
Mode(Heat) Output
(OUT1)
(OUT2)
(OUT3)
(OUT4)
(OUT5)
(OUT6)
(OUT7)
X1X2X3X4X5
X6
ON
ErrorONONONON
OFF
Normal
OFF(Comp. OFF)
OFF
OFF
OFF
(Comp. ON)
(Defrosting)
(Cooling)
(Heating)
TB141
1-2
3-4
5-6
7-8
9-10
11-12
13-14
Refer to table 1.
table 1
*1(Fig.1)
Refer to table 2, 3.
Remark
SW2-1, SW2-2: ON is valid.
ON
Forced Comp. OFF
Heating
OFF
Normal
Cooling
Item
Forced Comp. OFF
Fixed operation mode
TB142
1-2 (IN1)
3-4 (IN2)
table 2
Step for capacity setting
TB142
10-11
(COM-IN5)
TB142
10-12
(COM-IN6)
TB142
10-13
(COM-IN7)
TB142
10-14
(COM-IN8)
Remark
Auto mode
OFF
Fixed capacity
(Hz fixed)
mode
table 3
TB142
I/F
1110121314
1110121314
At site
4bit8 switch
OFF
~AUTO
TB142
I/F
At site
Step1
Step4
Step7
AUTO
SW1-1
OFFONONONOFFONOFF
SW2-3
OFFONOFFONOFFONOFF
ON
OFFONOFFONOFFONOFFONOFF
OFF
OFFONON
OFF
OFFONON
OFF
OFF
OFF
OFF
OFFONONONON
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
ON
OFF 0%
Step1 10%
Step2 20%
Step3 30%
Step4 50%
Step5 70%
Step6 80%
Step7 100%
Auto
OFF 0%
Step1 10%
Step4 50%
Step7 100%
Auto
[OFF]
[ON]
[OFF]
[ON]
SW2-4
OFF
OFFONON
OFF
OFFONON
SW2-5
OFF
OFF
OFF
OFFONONONON
Details
Not fixed (Remote controller setting)
Cooling 19 ˚C/Heating 17 ˚C FIX
20 ˚C FIX
22 ˚C FIX
24 ˚C FIX
26 ˚C FIX
28 ˚C FIX
Cooling 30 ˚C / Heating 28 ˚C FIX
SW1-2
OFF
OFFONON
OFF
OFF
ON
SW2-1
OFFONOFF
ON
SW2-2
OFF
OFFONON
SW1-3
OFF
OFF
OFF
OFFONON
ON
SW6-1
OFF
OFFONOFF
OFF
OFF
OFF
SW6-2
OFF
OFFONON
OFF
OFF
OFF
Input
TypeA
(4bit-8 setting)
TypeB
(1bit-1 setting)
4-20mA
1-5V
0-10V
0-10k
No input(Auto mode)
Step for capacity setting
OFF/Step 1/Step 2/
...
/Step 7/Auto
OFF/Step 1/Step 4/Step 7/Auto
OFF/Step 1/Step 2/
...
/Step 7
OFF/Step 1/Step 2/
...
/Step 7
OFF/Step 1/Step 2/
...
/Step 7
OFF/Step 1/Step 2/
...
/Step 7/Auto
Only Auto mode
table 4 SW1, SW6 : Input selection of inverter capacity setting
table 5 SW2-1/2-2 : Fixed operation mode
Details
Not FIX
(Depending on Remote controller setting)
[Cooling]FIX
[Heating]FIX
External input(Depending on TB142-3,4)
1. SymboIs used in wiring diagram are, : Connector, : Terminal block.
2. Interface controller and outdoor connecting wires have poIarities, make sure to match
terminal numbers(S1, S2, S3) for correct wirings.
3. Since the outdoor side electric wiring may change, be sure to check the outdoor unit
electric wiring diagram for servicing.
4. This diagram shows the wiring of Interface controller and outdoor connecting wires.(specification of 230V),
adopting superimposed system of power and signal.
*1 : When work to supply power separately to Interface controller and outdoor units was applied, refer to Fig 1.
*2 : Remove the short-circuited connector CNS2 when work to supply power separately to
Interface controller and outdoor units was applied.
ONOFF
TypeA TypeB
At site
*2 Remove the
short-circuited connector
CNS2.
table 6 SW2-3/2-4/2-5 : Fixed set temperature [For Auto mode]
SW3SW2SW1
1110
12
13
14
{
{
{
{
SW2-6
OFF
ON
table 7 SW2-6 : setting TH5
Details
Connect TH5
Not connect TH5 (Initial setting)
TH5
(
(
(
3-4. Wiring diagram
(1) PAC-IF011B-E(I/F)
18
6
5
2
1
1
8
1
2
1
8
1
8
4
3
TH1
OFF/ONOFF/ON
OFF/ON
OFF/ON
TB61
*6TH2
6
5
214
3+
TB62
4-20mA/1-5V/0-10V
WiredRemoteController
6
5
2
1
4
3
8
7
10
9
11
13
12
14
6
5
2
1
4
3
8
7
10 
9
1113
12 14
TB142 TB141
(ExternalOutput)
(ExternalInput)
LN
S1 S2 S3
LN
S1 S2 S3
TB6
DC311〜
339V
FUSE
SW6
LED1
RECTIFICATION
LED2
LED3
LED4
LED5
CNS2
(RED)
FLOWTEMP.CONTROLLER(FTC)
TOOUTDOORUNIT
U
U
DSA
21
SYMBOL
FLOWTEMP.CONTROLLER(FTC)
TB6
TB141
TB142
TB62
TB61
LED1
LED2
LED3
LED4,5
FUSE
SW1
SW2
SW3
SW6
ZNR01,02
DSA
X1〜X7
TH1
TH2
NAME
TERMINALBLOCK(FTC/OUTDOORUNITCONNECTINGLINE)
TERMINALBLOCK(ExternalOutput)
TERMINALBLOCK(ExternalInputContactsignal)
TERMINALBLOCK(ExternalInputAnalogsignal)
TERMINALBLOCK(Thermistor)
POWERSUPPLY(FTC)
POWERSUPPLY(WIREDREMOTECONTROLLER)
TRANSMISSION(FTC-OUTDOORUNIT)
NOTINUSE
FUSE(T3.15AL250V)
SWITCH*SeeTable3,4and6.
SWITCH
SWITCH*SeeTable5.
SWITCH(4-20mA/1-5V/0-10Vswitch)*SeeTable3.
VARISTOR
SURGEABSORBER
RELAY
ACTUALFLOWWATERTEMP.THERMISTOR(Waterpiping)
(0℃/15kΩ,25℃/5.2kΩDETECT)
PIPETEMP.THERMISTOR/LIQUID(Refrigerantpiping)
(0℃/15kΩ,25℃/5.2kΩDETECT)
TB6
TOOUTDOORUNIT
POWERSUPPLY
〜/N
21354678
TB141
11 10
9
12 13 14
ZNR01
ZNR02
X1X2X3X4X5X X76
OFF
Normal
ForcedComp.OFF
OFF
OFF
OFF
OFF
OFF
(IN1)
(IN2)
(IN3)
(IN4)
(COM-IN5)
(COM-IN6)
(COM-IN7)
(COM-IN8)
Remark
Notinuse
Notinuse
SW3-6=OFF
SW3-6=ON
ON
ForcedComp.OFF
Normal
Cooling
Heating
HeatingECO
HotWater
Anti-Freeze
TB142
1-2
3-4
5-6
7-8
10-11
10-12
10-13
10-14
X1X2X3X4X5X6X7
(OUT1)
(OUT2)
(OUT3)
(OUT4)
(OUT5)
(OUT6)
(OUT7)
OFF
OFF
Normal
OFF
OFF
OFF
OFF
ONONErrorONONONON
Item
OperationOutput
ErrorOutput
Comp.Output
DefrostOutput
Mode(Cooling)Output
Mode(Heating/HeatingECO/
HotWater/Anti-Freeze)Output
TB141
1-2
3-4
5-6
7-8
9-10
11-12
13-14
RefertoTable2.
Table1Externalinput(Contactsignal)
Table2Externaloutput
*1(Fig.1)
Referto
Table1.
SW1-6
OFF
OFF
OFF
OFFONONONON
SW1-7
OFFONOFFONOFFONOFF
ON
SW1-8
OFF
OFFONON
OFF
OFFONON
Heating/HeatingECO/HotWater
Upper55℃/lower20℃
Upper60℃/lower20℃*7
Upper50℃/lower20℃

Anti-Freeze
Upper45℃/lower5℃
Upper45℃/lower5℃
Upper45℃/lower5℃

Cooling
Upper25℃/lower5℃
Upper25℃/lower5℃
Upper25℃/lower5℃

Temperaturetable
SW2-1〜8,SW3-1〜3
Table*8Table*8
SW3-6
OFF
ON
TB142No.5-6input
OFF(open)
ON(short)
OFF(open)
ON(short)
Table3SW1,SW6:Inputselection
Table5SW3-6LogicofForcedcomp.OFFexternalsignal(TB1425-6)
*7.DontusethissettingwhenusingtheSPLITtypeoutdoorunit.
*8.Refertoinstallationmanual.
Item
Normal
ForcedComp.OFF
ForcedComp.OFF
Normal
SW1-3
OFF
ON
Operationmode
Heating/HeatingECO/Hotwater/Anti-freeze/Cooling
Heating/HeatingECO/Hotwater/Anti-freeze
Table4SW1-3ProhibitionofCoolingmode
*3.0〜2mA:STOP
*4.0〜0.5V:STOP
*5.Thesignalofexternalinputispriortothesignalofwiredremotecontroller.
*6.SPLITtype:thestandardoutdoorunitwithoutaplateHEX(refrigerant-waterHEX)inside.
 PACKAGEDtype:theAirtowateroutdoorunitwithaplateHEX(refrigerant-waterHEX)inside.
(ItisnotnecessarytoconnecttoTH2.)
1.SymboIsusedinwiringdiagramare, :Connector, :Terminalblock.
2.FTCandoutdoorunitconnectingwireshavepoIarities,makesuretomatchterminalnumbers(S1,
S2,S3)forcorrectwirings.
3.Sincetheoutdoorunitsideelectricwiringmaychange,besuretochecktheoutdoorunitelectric
wiringdiagramforservicing.
4.ThisdiagramshowsthewiringofFTCandoutdoorunitconnectingwires(specificationof230V),
adoptingsuperimposedsystemofpowerandsignal.
*1:WhenworktosupplypowerseparatelytoFTCandoutdoorunitwasapplied,refertoFig1.
*2:Removetheshort-circuitedconnectorCNS2whenworktosupplypowerseparatelytoFTC
andoutdoorunitwasapplied.
*2Removethe
short-circuited
connectorCNS2.
Table6SW1-6,7,8 Settemperaturerange
 SW1-6=OFF Settemperaturerangewithwiredremotecontroller
 SW1-6=ON SettemperaturetablewithDIPswitchofFTC
BH79L347H01
t。t
SW3SW2SW1
{
{
{
TB142
FTC
FTC
11
10
12
13
14
Atsite
Atsite
HeatingECO
→
Anti-Freeze
→
HotWater
→
Heating
→
65789
213
4
ForcedComp.OFF→
Cooling→
ON/OFFInput
Externalinput
(non-voltagecontact)
Externalinput
(non-voltagecontact)
Externalinputor
4-20mA*3
Externalinputor
1-5V*4
Externalinput
Externalinputand
Wiredremotecontroller
Externalinputand
Wiredremotecontroller
Wiredremotecontroller
ChangemodeInput
Externalinput
(non-voltagecontact)
Externalinput
(non-voltagecontact)
Externalinput
(non-voltagecontact)
Externalinput
(non-voltagecontact)
Externalinput
(non-voltagecontact)
Externalinputand
Wiredremotecontroller
Externalinputand
Wiredremotecontroller
Wiredremotecontroller
ChangeTEMP. Input
DIPswitchonPCB
SW2-1〜8,SW3-1〜3
Wiredremotecontroller
4-20mA
1-5V
0-10V
DIPswitchonPCB
SW2-1〜8,SW3-1〜3
Wiredremotecontroller
Wiredremotecontroller
Outdoorunit*6
SPLITtype
PACKAGEDtype
SPLITtype
PACKAGEDtype
SPLITtype
PACKAGEDtype
SPLITtype
PACKAGEDtype
SPLITtype
PACKAGEDtype
SPLITtype
PACKAGEDtype
SPLITtype
PACKAGEDtype
SPLITtype
PACKAGEDtype
SW1-1ONONONON
OFF
OFF
OFF
OFFONON
OFF
OFF
OFF
OFF
OFF
OFF
SW1-2
OFF
OFF
OFF
OFFONONONONONON
OFF
OFF
OFF
OFF
OFF
OFF
SW1-5
OFFONOFFONOFFONOFFONOFFONOFFONOFFONOFF
ON
SW1-6ONON
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFFONON
OFF
OFF
OFF
OFF
SW6-1
OFF
OFF
OFF
OFFONON
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
SW6-2
OFF
OFF
OFF
OFFONONONON
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
Temperaturerangewithwiredremotecontroller
*5
*5
(
(
(2) PAC-IF021B-E(FTC)
19
3-5. PCB diagram(Test point )
(1) PAC-IF011B-E, PAC-IF010-E
TB61 1-2
Thermistor (TH1)
TB61 3-4
Thermistor (TH2)
CN21
Thermistor (TH2)
TB61 5-6
Thermistor (TH5)
CN29
Thermistor (TH5)
CN2P
Adjustable resistor
TB62 1-2
Adjustable resistor
CN2A
4-20mA/1-5V/0-10V
TB62 3-4
4-20mA/1-5V/0-10V
CN22
Wired remote controller
TB62 5-6
Wired remote controller
CN20
Thermistor (TH1)
LED2~5 LED1
Power supply
CN82
External input Remote switch
TB142
External input Remote switch
CN53
External input Remote switch
PAC-IF011B-E PAC-IF010-E
TB6 TB141 TB142 TB61 TB62 CNX1~CNX6 — CN20 CN21 CN29 CN2P CN2A CN22
: mounting
Ο
: unmounting
CNX2
Error Output
CNX1
Operation Output
TB141
External output
CNX4
Defrost Output
CNX3
Comp.Output
CNX5
Mode(Cool)Output
ΟΟ Ο
ΟΟ ΟΟ ΟΟ
Ο ΟΟ ΟΟ ΟΟ ΟΟ ΟΟ ΟΟ
CNX6
Mode(Heat)Output
TB6
Interface/outdoor connecting
FUSE
T3,15AL250V
20
(2) PAC-IF021B-E(FTC), PAC-IF020-E
CN20
Thermistor (TH1)
TB61 1-2
Thermistor (TH1)
TB61 3-4
Thermistor (TH2)
CN21
Thermistor (TH2)
TB62 3-4
4-20mA/1-5V/0-10V
CN2A
4-20mA/1-5V/0-10V
TB62 5-6
Wired remote controller
CN22
Wired remote controller
LED2,3
TB6
FTC/outdoor unit connecting
CN82
External input
TB142
External input
CN53
External input
PAC-IF021B-E PAC-IF020-E
TB6 TB141 TB142 TB61 TB62 CNX1~CNX6 — CN20 CN21 CN29 CN2P CN2A CN22
: mounting
Ο
: unmounting
CNX2
Error Output
CNX1
Operation Output
CNX4
Defrost Output
CNX3
Comp.Output
TB141
External output
CNX5
Mode(Cooling)Output
ΟΟ Ο
ΟΟ ΟΟ ΟΟ
Ο ΟΟ ΟΟ ΟΟ ΟΟ ΟΟ ΟΟ
CNX6
Mode(Heating/Heating ECO/Hot Water/Anti-Freeze)Output
FUSE
T3,15AL250V
21
3-6. Specifi cation of connectors
Please connect wiring with either of the terminal bed or the connector. Parts on the PCB are different depending on the model.
PCB ONLY Cased PAC-IF010-E PAC-IF020-E Parts on PCB Parts on PCB
TERMINAL BED CONNECTOR TERMINAL BED CONNECTOR TB6 TB6
CNX1 CNX2 CNX3 CNX4 CNX5 CNX6
TB142 CN82
CN53
TB61 CN20
CN21 CN29
TB62 CN2P
CN2A CN22
The following terminal bed and the connector is the same signals, meaning.
PAC-IF011B-E PAC-IF021B-E
TB141
TB142
TB61 CN20
CN21 CN29
TB62 CN2P
CN2A CN22
TB6
TERMINAL BED TB6-L
TB6-N — TB6-PE — TB6-S1 — TB6-S2 — TB6-S3
Specifi cation of connectors (Manufacture: J.S.T. Mfg. Co., Ltd.)
CONNECTOR NAME HOUSING CNX1 ~ 6 VHR-3N CN82 XAP-08V-1
CN53 XAP-05V-1 CN20,21,29,2P,2A,22 XAP-02V-1
Contact pin : According to the wiring size select the correct
contact pin by yourself.
CONNECTOR NAME PIN No.
TB141, TB142, TB61
TERMINAL BED TB141-1,2 CNX1 1,3pin
TB141-3,4 CNX2 1,3pin TB141-5,6 CNX3 1,3pin TB141-7,8 CNX4 1,3pin TB141-9,10 CNX5 1,3pin TB141-11,12 CNX6 1,3pin TB142-1 CN82 1pin TB142-2 CN82 2pin TB142-3 CN82 3pin TB142-4 CN82 4pin TB142-5 CN82 5pin TB142-6 CN82 6pin TB142-7 CN82 7pin TB142-8 CN82 8pin TB142-9 CN53 5pin TB142-10 CN53 5pin TB142-11 CN53 1pin TB142-12 CN53 2pin TB142-13 CN53 3pin TB142-14 CN53 4pin TB61-1,2 CN20 1,2pin TB61-3,4 CN21 1,2pin TB61-5,6 CN29 1,2pin TB62-1,2 CN2P 1,2pin TB62-3,4 CN2A 1,2pin TB62-5,6 CN22 1,2pin
CONNECTOR NAME PIN No.
22
Interface (I/F)4
CONTENTS
1. System outline ..................................................................................24
2. System structure ...............................................................................24
3. Power supply ....................................................................................28
4. Connecting thermistor.......................................................................30
5. Interface controller switch setting .....................................................31
6. Input specifi cations ...........................................................................32
7. Output specifi cations ........................................................................33
8. LED display detail .............................................................................34
9. Maintenance information ..................................................................35
10. Central control ..................................................................................52
11. Outlines and dimensions ..................................................................53
12. Troubleshooting ................................................................................ 54
Notes on system controller side in I/F connection system (1)Please do not transmit “STEP 0” during defrost operation.
Defrost operation might be interrupted, and frost remain. (Please demand the planned capacity step even when the system controller receives defrost signal from the heat pump (outdoor unit)).
(2)Please do not transmit “STEP 0” when the outdoor unit(H/P) is abnormal.
Abnormal detection data is reset, and an Abnormal point cannot be confi rmed.
2323
1. System outline
With PAC-IF011B-E, local units can be connected with the outdoor units manufactured by MITSUBISHI ELECTRIC. The commands, such as Remote switch, Varistor, 4-20mA/1-5V/0-10V and etc., allow the inverter outdoor unit to operate, to stop and to switch capacity. By outputting the operation state, the interface can be connected with the local unit.Also, the interface can be connected with wired remote controller for maintenance so that the maintenance information is obtained. Only the outdoor units with self-controlled S/W are connectable.
2. System structure
System structure(1)
Outdoor unit capacity switch
Remote switch
Capacity switch of outdoor unit according to the remote switch
When auto stop being set, the difference between room temperature and set temperature of interface, and the pipe temperature switch the capacity of outdoor unit automatically.
Wired remote controller (Auto step mode only)
The difference between room temperature and set temperature of wired remote controller, and the pipe temperature switch the capacity of outdoor unit automatically.
As with the remote controller for air conditioner, the interface performs ON/OFF operation, and changes operation mode (cooling, heating ,fan) and set temperature.
Adjustable resistor(0-10k)
Capacity switch of outdoor unit according to the adjustable resistor
System diagram Power supply specifications
Intake temp. Liquid pipe temp.
Local unit
Local controller
Intake temp. Liquid pipe temp.
Local unit
Local controller
Intake temp. Liquid pipe temp.
Local unit
Wired remote controller
Intake temp. Liquid pipe temp.
Local unit
Wired remote controller
Intake temp. Liquid pipe temp.
Local unit
Local controller Adjustable resistor
Interface controller
Remote switch
Power line
Interface controller
Remote switch
Interface controller
PAR-21MAA
Power line
Interface controller
PAR-21MAA
Interface controller
A transmission line/Power line
Power line
Outdoor unit
A transmission line/Power line
Power line
Outdoor unit
A transmission line/Power line
Power line
Outdoor unit
A transmission line/Power line
Power line
Outdoor unit
A transmission line/Power line
Power line
Outdoor unit
Power supplied from outdoor unit Power supply for interface
controller is supplied from the outdoor unit. Refer to 3.1.
Separate interface/outdoor unit power supplies
Power supply for interface controller and power supply for outdoor unit are supplied from the different source.(Common power source for local unit and interface controller) Refer to 3.2.
Power supplied from outdoor unit
Power supply for interface controller is supplied from the outdoor unit. Refer to 3.1.
Separate interface/outdoor unit power supplies
Power supply for interface controller and power supply for outdoor unit are supplied from the different source.(Common power source for local unit and interface controller) Refer to 3.2.
Power supplied from outdoor unit
Power supply for interface controller is supplied from the outdoor unit. Refer to 3.1.
Intake temp. Liquid pipe temp.
Local unit
Local controller
Power line
Interface controller
Adjustable resistor
A transmission line/Power line
Power line
Outdoor unit
24
Separate interface/outdoor unit power supplies
Power supply for interface controller and power supply for outdoor unit are supplied from the different source.(Common power source for local unit and interface controller) Refer to 3.2.
Note:
• REMOTE SWITCH Type A (4bit - 8 setting) / Type B (1bit -1 setting)
TB142 10-11 (COM-IN5)
OFF ON OFF ON OFF ON OFF ON OFF
TB142 10-12 (COM-IN6)
OFF OFF ON ON OFF OFF ON ON OFF
TB142 10-13 (COM-IN7)
OFF OFF OFF OFF ON ON ON ON OFF
TB142 10-14 (COM-IN8)
OFF OFF OFF OFF OFF OFF OFF OFF ON
Step for capacity setting *
TypeA TypeB
OFF 0%
[OFF] [ON]
Step1 10% Step2 20% Step3 30% Step4 50% Step5 70% Step6 80% Step7 100% Auto step
[OFF] [ON]
OFF 0% Step1 10% Step4 50%
Step7 100%
Auto step
Remark
OFF
Fixed capacity
(Hz fixed)
mode
Auto step mode
Type A Type B
I/F
At site
4 bit 8 switch
OFF~AUTO
step
{
10 11 12 13 14
TB142
At site
Step1 Step4 Step7
AUTO
step
I/F
10 11 12 13 14
TB142
* The actual capacity will be slightly different from the numerial data in this table depending on conditions such as the ambient
temperature.
Attachment of sensor
Refer to 4.
Pipe-thermistor/ 2-phase might be neccessary depending on the type of the outdoor unit.
Refer to 4.
Pipe-thermistor/ 2-phase might be neccessary depending on the type of the outdoor unit.
Interface controller
switch setting
2 patterns can be set. (Refer to NOTE 1.)
Type A SW1-1:OFF SW1-2:OFF SW1-3:OFF SW6-1:OFF SW6-2:OFF
Type B SW1-1:ON SW1-2:OFF SW1-3:OFF SW6-1:OFF SW6-2:OFF Other switches are to be set according to the site. Refer to 5 for details.
Interface controller specifications
Input and wiring Output and wiring
Type A
Refer to 7.
OFF/Step1/Step2/
···Step7/Auto step Type B
OFF/Step1/Step4/ Step7/Auto step
Refer to 6 for details.
Refer to 7.
Other functions/setting
Maintenance
Refer to 8, 9.
Refer to 8, 9.
Connection with
BMS/MELANS
Not available
Not available
Refer to 4.
Pipe-thermistor/ 2-phase might be neccessary depending on the type of the outdoor unit.
Refer to 4.
Pipe-thermistor/ 2-phase might be neccessary depending on the type of the outdoor unit.
Refer to 4.
Pipe-thermistor/ 2-phase might be neccessary depending on the type of the outdoor unit.
Refer to 4.
Pipe-thermistor/ 2-phase might be neccessary depending on the type of the outdoor unit.
SW1-1:OFF SW1-2:ON SW1-3:ON SW6-1:OFF SW6-2:OFF
Other switches are to be set according to the site. Refer to 5 for details.
SW1-1:OFF SW1-2:OFF SW1-3:ON SW6-1:OFF SW6-2:OFF
Other switches are to be set according to the site. Refer to 5 for details.
TB62 Connect the wired remote controller wire to No.5-6
Wiring Wire NO.×size(mm 2×0.3(Non-polar) Max. 500m
Circuit rating DC12V The figure is NOT always against the ground.
Only the operation with remote controller is valid. (External signal is invalid)
Refer to 6.
Refer to 6.
2
)
Refer to 7.
Refer to 7.
Refer to 7.
Refer to 7.
Refer to 8, 9.
Refer to 8, 9.
Refer to 8, 9.
Refer to 8, 9.
Available Refer to 10.
Connect adaptor to outdoor unit. M-NET converter PAC-SF80MA-E A-Control sub Interface PAC-SK82SI-E
Available Refer to 10.
Connect adaptor to outdoor unit. M-NET converter PAC-SF80MA-E A-Control sub Interface PAC-SK82SI-E
Not available
Not available
25
System structure(2)
Outdoor unit capacity switch
4-20mA
Capacity switch of outdoor unit according to the signal of 4-20mA
1-5V Capacity switch of outdoor unit according to the signal of 1-5V
Intake temp. Liquid pipe temp.
Local unit
Local controller
Intake temp. Liquid pipe temp.
Local unit
Local controller
Intake temp. Liquid pipe temp.
Local unit
Local controller
System diagram Power supply specifications
Power supplied from outdoor unit
A transmission line/Power line
Power supply for interface controller is supplied from the outdoor unit. Refer to 3.1.
Interface controller
4-20mA
Power line
Outdoor unit
Separate interface/outdoor unit
Power line
A transmission line/Power line
power supplies Power supply for interface
controller and power supply for
Interface controller
4-20mA
Power line
Outdoor unit
outdoor unit are supplied from the different source. (Common power source for local unit and interface controller) Refer to 3.2.
Power supplied from outdoor unit
A transmission line/Power line
Power supply for interface controller is supplied from the outdoor unit.
Interface controller
1-5V
Power line
Outdoor unit
Refer to 3.1.
0-10V
Capacity switch of outdoor unit according to the signal of 0-10V
Intake temp. Liquid pipe temp.
Local unit
Local controller
Intake temp. Liquid pipe temp.
Local unit
Local controller
Intake temp. Liquid pipe temp.
Local unit
Local controller
Power line
Interface controller
1-5V
Interface controller
0-10V
Power line
Interface controller
0-10V
A transmission line/Power line
Power line
Outdoor unit
A transmission line/Power line
Power line
Outdoor unit
A transmission line/Power line
Power line
Outdoor unit
Separate interface/outdoor unit power supplies
Power supply for interface controller and power supply for outdoor unit are supplied from the different source. (Common power source for local unit and interface controller) Refer to 3.2.
Power supplied from outdoor unit Power supply for interface
controller is supplied from the outdoor unit. Refer to 3.1.
Separate interface/outdoor unit power supplies
Power supply for interface controller and power supply for outdoor unit are supplied from the different source. (Common power source for local unit and interface controller) Refer to 3.2.
26
Attachment of sensor
Refer to 4.
Pipe-thermistor/ 2-phase might be neccessary depending on the type of the outdoor unit.
Refer to 4.
Pipe-thermistor/ 2-phase might be neccessary depending on the type of the outdoor unit.
Interface controller
switch setting
SW1-1:ON SW1-2:ON SW1-3:OFF SW6-1:ON SW6-2:ON
Other switches are to be set according to the site. Refer to 5 for details.
Interface controller specifications
Input and wiring Output and wiring
Refer to 6.
Refer to 6.
Refer to 7.
Refer to 7.
Other functions/setting
Maintenance
Refer to 8, 9.
Refer to 8, 9.
Connection with
BMS/MELANS
Not available
Not available
Refer to 4.
Pipe-thermistor/ 2-phase might be neccessary depending on the type of the outdoor unit.
Refer to 4.
Pipe-thermistor/ 2-phase might be neccessary depending on the type of the outdoor unit.
Refer to 4.
Pipe-thermistor/ 2-phase might be neccessary depending on the type of the outdoor unit.
SW1-1:ON SW1-2:ON SW1-3:OFF SW6-1:OFF SW6-2:ON
Other switches are to be set according to the site. Refer to 5 for details.
SW1-1:OFF SW1-2:OFF SW1-3:ON SW6-1:OFF SW6-2:OFF
Other switches are to be set according to the site. Refer to 5 for details.
Refer to 6.
Refer to 6.
Refer to 6.
Refer to 7.
Refer to 7.
Refer to 7.
Refer to 8, 9.
Refer to 8, 9.
Refer to 8, 9.
Not available
Not available
Not available
Refer to 4.
Pipe-thermistor/ 2-phase might be neccessary depending on the type of the outdoor unit.
Refer to 6.
27
Refer to 7.
Refer to 8, 9.
Not available
3. Power Supply
Interface controller is applicable to both methods of interface unit power supplied from outdoor unit, and of separate interface unit/outdoor unit power supplies. Choose one according to the site.
(Photo. 3-1)
Inlet for control cable
A
Inlet for power
B
Clamp
C
Interface / Outdoor unit connecting terminals
D
Earth terminal
E
D
A
3.1. Interface unit power supplied from outdoor unit (Photo 3-2)
The following connection patterns are available. The outdoor unit power supply patterns vary on models.
D
L
ABC
N
S1 S2 S3
E
A Outdoor unit power supply B Earth leakage breaker C Wiring circuit breaker or isolating switch D Outdoor unit E Interface unit/outdoor unit connecting cables F Interface unit
F
S1 S2 S3
C
Photo.3-1
C
E
B
Photo.3-2
Interface unit model PAC-IF011B-E
)
2
Interface unit-Outdoor unit *1 3× 1.5 (polar)
size
Interface unit-Outdoor unit earth *1 1 × Min.1.5
Wiring
(mm
Wire No.×
Interface unit-Outdoor unit S1-S2 *2 AC 230 V
rating
Circuit
*1. Max. 80 m *2. The fi gures are NOT always against the ground.
S3 terminal has DC 24 V against S2 terminal. However between S3 and S1, these terminals are not electrically insulated by the transformer or other device.
Interface unit-Outdoor unit S2-S3 *2 DC24 V
Notes: 1. Wiring size must comply with the applicable local and national code.
2. Power supply cables and interface unit/outdoor unit connecting cables shall not be lighter than polychloro­prene sheathed fl exible cable. (Design 60245 IEC 57)
3. Install an earth longer than other cables.
28
3.2. Separate interface unit/outdoor unit power supplies
The following connection patterns are available. The outdoor unit power supply patterns vary on models.
D
L
N
A
CB
GEB
S1 S2 S3
C
F
L N
S1 S2 S3
A Outdoor unit power supply B Earth leakage breaker C Wiring circuit breaker or isolating switch D Outdoor unit E Interface unit/outdoor unit connecting cables F Interface unit G Interface unit power supply
If the interface and outdoor units have separate power supplies, refer to the table below.
Separate power supply specifi cations
Interface unit controller con­nector (CNS2) connection change
Disconnected
Photo. 3-3
CNS2
Outdoor unit DIP switch set­tings (when using separate in­terface unit/outdoor unit power supplies only)
ON OFF
Set the SW8-3 to ON.
12
3
(SW8)
Interface unit model PAC-IF011B-E Interface unit power supply ~/N (Single Phase), 50 Hz, 230 V Interface unit input capacity Main switch (Breaker)
)
Interface unit power supply & earth 3 × Min. 1.5
2
Interface unit-Outdoor unit *2 2 × Min. 0.3
size
Wire
No.×
Wiring
(mm
Interface unit-Outdoor unit earth
*1 16 A
Interface unit L-N *3 AC230V Interface unit-Outdoor unit S1-S2 *3
rating
Circuit
*1. A breaker with at least 3.0mm contact separation in each pole shall be provided. Use earth leakage breaker (NV). *2. Max. 120 m *3. The fi gures are NOT always against the ground.
Interface unit-Outdoor unit S2-S3 *3 DC24V
Notes: 1. Wiring size must comply with the applicable local and national code.
2. Power supply cables and interface unit/outdoor unit connecting cables shall not be lighter than polychloro­prene sheathed fl exible cable. (Design 60245 IEC 57)
3. Install an earth longer than other cables.
29
4. Connecting thermistor
4.1 Connecting thermistor cable
Connect the thermistor for the interface controller. When the thermistor cables are too long, cut it to the appropri­ate length. Do not bind it in the interface unit.
1. Target temp. thermistor (TH1) Connect the thermistor for the target temp. to 1 and 2 on the terminal block (TB61) on the interface controller.
2. Pipe temp. thermistor / Liquid (TH2) Connect the thermistor for the pipe temp. to 3 and 4 on the terminal block (TB61) on the interface controller.
3. Pipe temp. thermistor / 2-phase (TH5). Connect the thermistor for the 2-phase temp. to 5 and 6 on the terminal block (TB61) on the interface controller. Set the DIP switch 2-6 to OFF of the interface controller.
Caution: Do not route the thermistor cables together with power cables. The sensor part of the thermistor should be installed where user must not touch. (It is separated by the supplementary insulation from where user may touch.)
TB61
TH1 TH2
TH5
Photo. 4-1
4.2 Thermistor position
< Target temp. thermistor (TH1) > (Used only in *auto step mode (Only for Air to Air applications))
1. Put thermistor(TH1) where average intake temperature for heat exchanger can be detected.
2. It is better to put thermistor(TH1) where radiant heat from heat exchanger can be avoided. To use this interface for manual step control, put a fi xed resistor of 4~10kΩ instead of thermistor.(TH1 on the terminal block TB61)
* Auto step mode: In this mode, the capacity step of the outdoor unit is controlled automatically to let the target (intake)
temperature reach the set temperature.(Only for air to air application)
< Liquid pipe thermistor (TH2) >
1. Put thermistor(TH2) where liquid refrigerant pipe temperature can be detected.
2. It is better to protect the thermistor(TH2) with heat insulating materials not to be affected by the ambient temperature, etc.
3. In case that the refrigerant is distributed by distributor, put thermistor(TH2) before the distributor.
< 2 phase pipe (condensing/evaporating) thermistor (TH5) >
*Only for Air to Air application (Refer to page.4) *Only in AUTO STEP mode of the I/F (Refer to page.4)
1. 2 phase pipe thermistor must be located where the 2 phase (condensing / evaporating) temperature of HEX can be meas-
ured.
2. Preferably, it should be insulated to avoid any infl uences by the ambient air temperature and so.
3. It must be located where it does NOT measure hot gas/subcool liquid temperature in heating mode.
4. If HEX is divided into several paths, 2 phase pipe thermistor should be put on the upper path.(Liquid refrigerant tends to stay
in the lower path when HEX works as a condenser, and the improper temperature may possibly be picked up.)
5. 2 phase thermistor should be located in the middle of the path. If it is impossible to put it in the middle, it should be put a bit
inlet side of condenser. Do NOT move it too much to the inlet side, however, as it may possibly pick up hot gas temperature. (Never put it on the outlet side of condenser as it may pick up subcool liquid temperature.)
30
<Thermistor Characteristic graph>
Thermistor for lower temperature
Target temperature thermistor (TH1) Pipe temperature thermistor/liquid (TH2)
Pipe temperature thermistor / 2-phase (TH5)
Thermistor R0 =15k" ± 3% Fixed number of B =3480 ± 2%
Rt =15exp { 3480 (
1
273+t
1
273
) }
< Thermistor for lower temperature >
50
40
30
20
Resistance (k)
0: 15k 10: 9.6k 20: 6.3k 25: 5.4k 30: 4.3k 40: 3.0k
" "
10
" " ' "
0
-20-100 1020304050 Temperature ()
5. Interface controller switch setting
Set the switches following the system specifi cations below.
Switch1. Switch6 : Input selection of inverter capacity setting
Input SW 1-1 SW 1-2 SW 1-3 SW 6-1 SW 6-2 Step for capacity setting
REMOTE SWITCH Type A (4bit-8 setting)
REMOTE SWITCH Type B (1bit-1 setting)
4-20mA ON ON OFF ON ON OFF/Step1/Step2/…/Step7 1-5V ON ON OFF OFF ON OFF/Step1/Step2/…/Step7 0-10V OFF OFF ON OFF OFF OFF/Step1/Step2/…/Step7 0-10kΩ ON OFF ON OFF OFF OFF/Step1/Step2/…/Step7/Auto step No input (AUTO mode) OFF ON ON OFF OFF Only Auto step mode
SW1-4~8 : OFF fi xed (Initial setting)
• SW2-1/2-2 : Fixed operation mode SW2-1 SW2-2 Details
OFF OFF Not FIX (Depending on Remote controller setting) ON OFF [Cooling]FIX OFF ON [Heating]FIX ON ON External input(Depending on TB142-3,4)
OFF OFF OFF OFF OFF OFF/Step1/Step2/…/Step7/Auto step
ON OFF OFF OFF OFF OFF/Step1/Step4/Step7/Auto step
• SW2-3/2-4/2-5 : Fixed set temperature [For Auto step mode only]
SW2-3 SW2-4 SW2-5 Details OFF OFF OFF Not fi xed (Remote controller setting) ON OFF OFF Cooling 19 ˚C /Heating 17 ˚C FIX OFF ON OFF 20 ˚C FIX ON ON OFF 22 ˚C FIX OFF OFF ON 24 ˚C FIX ON OFF ON 26 ˚C FIX OFF ON ON 28 ˚C FIX ON ON ON Cooling 30 ˚C / Heating 28 ˚C FIX
Set switches in case of auto step mode. SW2-6 : Setting of TH5
When TH5 (2-phase pipe temp. thermistor) is connected, it is necessary to set the Dip SW2-6 of the interface controller.
SW2-6 Details OFF Connect TH5 ON Not connect TH5 (Initial setting)
SW2-7, 8 : OFF fi xed (Initial setting) SW3 : LED2~5 display setting (Refer to 8.)
31
6. Input specifi cations
Demand control is available by external input. It is possible to set the outdoor unit’s power consumption by setting the switch of the interface controller.
• REMOTE SWITCH Type A (4bit - 8 setting) / Type B (1bit -1 setting)
TB142 10-11 (COM-IN5)
OFF ON OFF ON OFF ON OFF ON OFF
TB142 10-12 (COM-IN6)
OFF OFF ON ON OFF OFF ON ON OFF
TB142 10-13 (COM-IN7)
OFF OFF OFF OFF ON ON ON ON OFF
TB142 10-14 (COM-IN8)
OFF OFF OFF OFF OFF OFF OFF OFF ON
Step for capacity setting
TypeA
OFF 0%
[OFF]
Step1 10%
[ON]
Step2 20% Step3 30% Step4 50% Step5 70% Step6 80% Step7 100% Auto step
TypeB
[OFF] [ON]
OFF 0% Step1 10% Step4 50%
Step7 100%
Auto step
Remark
OFF
Fixed capacity
(Hz fixed)
mode
Auto step mode
I/F
10 11 12 13 14
TB142
At site
AUTO step
4 bit 8 switch
OFF~AUTO step
At site
{
Demand control is available by connecting remote switches with termi­nal No.10 - 14. Make sure to use the non-voltage switch (for the remote switch). Remote switch cable length : Maximum 10m Remote switch : Minimum applicable load DC12V, 1mA
• 4-20mA / 1-5V / 0-10V / 0-10kΩ Use 4-20mA / 1-5V / 0-10V
1
Connect the transmission cables to No. 3 and 4 on the terminal
block (TB62). No. 3 on the terminal block(TB62) : Plus side No. 4 on the terminal block(TB62) : Minus side (Reference side)
Use adjustable resistor (0-10kΩ)
2
Connect the transmission cables to No. 1 and 2 on the terminal
block (TB62).
Adjust­able resistor (0-10kΩ)
4-20mA 1-5V 0-10V
Step for capacity setting
Remark
0~100Ω 4~5mA 0~1.25V 0~0.63V OFF 0% Stop 510Ω 7mA 1.75V 1.88V Step1 10% 1kΩ 9mA 2.25V 3.13V Step2 20% 2kΩ 11mA 2.75V 4.38V Step3 30%
3.3kΩ 13mA 3.25V 5.63V Step4 50%
4.3kΩ 15mA 3.75V 6.88V Step5 70%
Fixed capacity (Hz fi xed) mode
5.6kΩ 17mA 4.25V 8.13V Step6 80%
7.5kΩ 19~20mA 4.75~5V 9.38~10V Step7 100% 10kΩ Auto step OPEN(12kΩ~)
OFF 0% Stop
Auto step mode
*The values of the above table show the mid-point of each step range.
tolerance : 0-10kΩ : ±5%
4-20mA : ±0.4mA
1-5V : ±0.1V
0-10V : ±0.2V
Cable length : Maximum 10m
Step1 Step4 Step7
TB62
I/F
10 11 12 13 14
TB142
TB142
Photo. 6-1
32
• External function setting
This function is to set operation mode or to stop compressor by the external signal.
TB142 Item OFF ON Remark 1-2 (IN1) Forced Comp. OFF Normal Forced Comp. OFF 3-4 (IN2)Item Fixed operation mode Cooling Heating Available when SW2-1 and SW2-2 are ON
Cable length : Maximum 10m Remote switch : Minimum applicable load DC12V, 1mA
Caution: The external input signals are separated by basic insulation from power supply for the unit. The external input signals should be separated by supplementary insu­lation from where user may touch in case that it is installed where user may touch. Connect the terminals by using the ring terminals and also insulate the cables of adjoining terminals when wiring to terminal block.
0-10 k
4-20mA/1-5V/0-10V
Wired remote controller
(For maintenance)
I/FAt site
1 2 3 4 5 6
TB62
I/F
+
At site
( ( (
7. Output specifi cations
Connecting External Output
The signal in the following states can be output.
TB141 Item OFF ON 1-2 (OUT1) X1 Operation Output OFF ON 3-4 (OUT2) X2 Error Output Normal Error 5-6 (OUT3) X3 Comp. Output OFF(Comp. OFF) ON (Comp. ON) 7-8 (OUT4) X4 Defrost Output OFF ON (Defrosting) 9-10 (OUT5) X5 Mode(Cool) Output OFF ON (Cooling) 11-12 (OUT6) X6 Mode(Heat) Output OFF ON (Heating) 13-14 (OUT7)
Cable length : Maximum 50m Output specifi cation : Non-voltage switch 1A or less , 240V AC *Connect the surge absorber according to the load at site.
I/F
At site
X1
X2 X3 X4 X5 X6
21354678
9
10 1 1 12 13 14
TB141
TB142
2134
Note : External output signals are separated by basic insula­tion from other circuit of interface. Caution : When 2 or more external outputs are used, the power supply on the output side should be the same.
Wiring specifi cation of External output / External input Locally supplied parts
Item Name Model and specifi cations External output function
External output signal wire
Use sheathed vinyl coated cord or cable. Wire type
: CV, CVS or equivalent.
Wire size : Stranded wire 0.5mm
Solid wire: [0.65mm to [1.2mm
Display lamp, etc. Non-voltage Contact AC220-240V (DC30V), 1A or less External input function
External input
signal wire
Use sheathed vinyl coated cord or cable. Wire type
: CV, CVS or equivalent.
Wire size : Stranded wire 0.5mm
Solid wire : [0.65mm to [1.2mm
Switch Non-voltage "a" contact
33
2
to 1.25mm
2
to 1.25mm
Photo.3-6
TB141
2
2
8. LED Display detail
Setting SW3 allows to switch the LED display. LED1 : Power supply LED2~4 : Setting SW3 switches the display
SW3-1 SW3-2 SW3-3 Display detail OFF OFF OFF A ON OFF OFF B OFF ON OFF C ON ON OFF D OFF OFF ON E ON OFF ON F OFF ON ON G
[Display detail A]
LED LED2 LED3 LED4 LED5
Power supply for remote controller Communication link between interface and outdoor units
[Display detail B]
LED LED2 LED3 LED4 LED5
Thermo Comp.
Control status Normal
Details of LED display
N/A N/A
OFF
OFF OFF OFF
ON OFF
OFF : Power is not supplied. OFF : No link
LED display and conditionFunction
Hot adjust
OFF ON
LED display
ON ON
Defrosting
ON : Power is supplied. Blink : Linked
㧙 㧙
ON
Demand Comp. OFF
ON
[Display detail C]
LED2 LED3 LED4 LED5
Capacity request status (Output)
0% OFF
OFF OFF OFF OFF
10% Fix
ON OFF OFF OFF
20% Fix
OFF
ON OFF OFF
30% Fix
ON
ON OFF OFF
40% Fix
OFF OFF
ON
OFF
* Displays the output status(the request which the I/F sends to the outdoor unit)
[Display detail D]
LED2 LED3 LED4 LED5
Capacity request status (Input)
0% OFF
OFF OFF OFF OFF
10% Fix
ON OFF OFF OFF
20% Fix
OFF
ON OFF OFF
30% Fix
ON
ON OFF OFF
40% Fix
OFF OFF
ON
OFF
* Displays the input state(the request which this I/F receives)
[Display detail E]
LED LED2 LED3 LED4 LED5
Input condition
TB142 1-2(IN1)Input TB142 3-4(IN2)Input
N/A N/A
LED display
OFF OFF
ON
ON — —
Forced Comp. OFF (ON:Forced Comp. OFF) Fixed operation mode (OFF=Cooling/ON=Heating)
[Display detail F]
LED LED2 LED3 LED4 LED5
Output condition
TB141 1-2(OUT1) Output TB141 3-4(OUT2) Output TB141 5-6(OUT3) Output TB141 7-8(OUT4) Output
LED display
OFF OFF OFF OFF
ON
ON
ON
ON
Operation output Error output Comp. output Defrost output
50% Fix
ON
OFF
ON
OFF
50% Fix
ON
OFF
ON
OFF
60% Fix
OFF
ON ON
OFF
60% Fix
OFF
ON ON
OFF
70% Fix
ON ON ON
OFF
70% Fix
ON ON ON
OFF
Details
— —
Details
80% Fix
OFF OFF OFF
ON
80% Fix
OFF OFF OFF
ON
90% Fix
ON OFF OFF
ON
90% Fix
ON OFF OFF
ON
100% Fix
OFF
ON
OFF
ON
100% Fix
OFF
ON
OFF
ON
Auto
ON ON
OFF
ON
Auto
ON ON
OFF
ON
[Display detail G]
LED LED2 LED3 LED4 LED5
TB141 9-10(OUT5) Output TB141 11-12(OUT6) Output
Output condition
N/A N/A
LED display OFF OFF
Details ON ON
— —
Cooling output Heating output
— —
34
9. Maintenance information
Connecting wired remote controller(PAR-21MAA) enables to display the error information.
Note: In case of using for ATW, the refrigerant leakage defection function of the outdoor unit is not available.
9.1. Connecting wired remote controller
Turn off the power supply. TB62 : Connect the wired remote controller wire to No. 5, 6(non-polar).
Note : Be sure to turn off the power supply before disconnecting the wired remote controller wire. Otherwise it may
cause trouble or to activate abnormality alarm.
9.2. Wired remote controller display
Operation buttons
Temperature setting buttons
Down
Up
Timer Menu button (Monitor/Set button)
Mode button (Return button)
Set Time buttons
Timer On/Off button (Set Day button)
Display
Display Section
For purposes of this explanation, all parts of the display are shown as lit. During actual operation, only the relevant items will be lit.
Identifies the current operation
Shows the operating mode, etc. *Multilanguage display is available.
“Centrally Controlled” indicator
Indicates that operation from the remote controller has been prohib­ited by a master controller.
“Timer is Off” indicator
Indicates that the timer is off.
Temperature Setting
Shows the target temperature.
Back
Ahead
Opening the lid
TEMP.
MENU
ON/OFF
MONITOR/SET
BACK DAY
PAR-21MAA
CLOCK
OPERATION
Day-of-Week
Shows the current day of the week.
Time/Timer Display
Shows the current time, unless the simple or Auto Off timer is set. If the simple or Auto Off timer is set, the time to be switched off is shown.
TIME SUN MON TUE WED THU FRI SAT TIMER AFTER
ERROR CODE
°F°C
Hr AFTER
°F°C
ONLY1Hr.
Up/Down Air Direction indica­tor
The indicator shows the direc­tion of the outcoming airflow.
“One Hour Only” indicator
Displayed if the airflow is set to low or downward during COOL or DRY mode. (Operation varies according to model.) The indicator goes off in 1 hour, when the airflow direction also changes.
Room Temperature display
Shows the room temperature. The room temperature display range is 8~39˚C. The display blinks if the temperature is less than 8˚C or 39˚C or more.
Louver display
Indicates the action of the swing louver. Does not appear if the louver is not running.
(Power On indicator)
Indicates that the power is on.
ON/OFF
FILTER
CHECK
TEST
CLEAR
Built-in temperature sensor
ON OFF
FUNCTION
FILTER
WEEKLY
SIMPLE
AUTO OFF
ON/OFF button
Fan Speed button
Filter button (<Enter> button)
Test Run button
Check button (Clear button)
Airflow Up/Down button
Louver button ( Operation button)
To return operation number
Ventilation button ( Operation button)
To go to next operation number
“Sensor” indication
Displayed when the remote controller sensor is used.
“Locked” indicator
Indicates that remote controller but­tons have been locked.
“Clean The Filter” indicator
To be displayed on when it is time to clean the filter.
Timer indicators
The indicator comes on if the corre­sponding timer is set.
Fan Speed indicator
Shows the selected fan speed.
Ventilation indicator
Appears when the unit is running in Ventilation mode.
35
9.3. How to proceed "self-diagnosis"
9.3.1. When a Problem Occurs During Operation
If a problem occurs in the air conditioner, the indoor and outdoor units will stop, and the problem is shown in the remote controller display. [CHECK] and the refrigerant address are displayed on the
temperature display, and the error code and unit number are displayed alternately as shown below. (If the outdoor unit is malfunctioning, the unit number will be “00”.)
In the case of group control, for which one remote controller controls
multiple refrigerant systems, the refrigerant address and error code of the unit that first experienced trouble (i.e., the unit that transmitted the error code) will be displayed.
To clear the error code, press the button.
ON/OFF
Error code (2 or 4 digits)
(Alternating Display)
Address (3 digits) or unit number (2 digits)
When using remote-/local-controller combined operation, cancel the error code after turning off remote operation. During central control by a MELANS controller, cancel the error code by pressing the
ON/OFF
button.
Self-Diagnosis During Maintenance or Service
Since each unit has a function that stores error codes, the latest check code can be recalled even if it is cancelled by the remote controller or power is turned off.
Check the error code history for each unit using the remote controller.
Switch to self-diagnosis mode.
Press the will change as shown below.
CHECK
button twice within 3 seconds. The display content
Unit number or refrigerant address to be diagnosed
Set the unit number or refrigerant address you want to diagnose.
Press the [TEMP] buttons ( and ) to select the desired number or address. The number (address) changes between [01] and [50] or [00]
and
[15].
The refrigerant address will begin to blink approximately 3 seconds after being selected and the self-diagnosis process will begin.
Display self-diagnosis results. <When there is error code history> (For the definition of each error code, refer to the indoor unit's installation manual or service handbook.)
(Alternating Display)
Error code (2 or 4 digits)
<When there is no error code history> <When there is no corresponding unit>
Reset the error history. Display the error history in the diagnosis result display screen (see step
Address (3 digits) or unit number (2 digits)
).
36
Press the address or refrigerant address will blink.
Cancel self-diagnosis. Self-diagnosis can be cancelled by the following 2 methods.
Press the
Press the
ON/OFF
CHECK
ON/OFF
button twice within 3 seconds. The self-diagnosis
button twice within 3 seconds. Self-diagnosis will be cancelled and the screen will return to the previous state in effect before the
button. Self-diagnosis will be cancelled and the indoor unit will stop.
start of self-diagnosis.
When the error history is reset, the display will look like the one shown below. However, if you fail to reset the error history, the error content will be displayed again.
9.3.2. Remote Controller Diagnosis
If the air conditioner cannot be operated from the remote controller, diagnose the remote controller as explained below.
First, check that the power-on indicator is lit. If the correct voltage (DC12 V) is not supplied to the remote controller, the indicator will not light. If this occurs, check the remote controller's wiring and the indoor unit.
Power on indicator
Switch to the remote controller self-diagnosis mode.
Press the change as shown below.
CHECK
button for 5 seconds or more. The display content will
Press the
FILTER
button to start self-diagnosis.
Remote controller self-diagnosis result [When the remote controller is functioning correctly]
Check for other possible causes, as there is no problem with the remote controller.
[Where the remote controller is not defective, but cannot be operated.] (Error display 2) [E3], [6833] or [6832] blinks.© Transmission is not
possible.
There might be noise or interference on the transmission path, or the indoor unit or other remote controllers are defective. Check the transmission path and other controllers.
[When the remote controller malfunctions] (Error display 1) "NG" blinks. ©The remote controller's transmitting-receiv-
The remote controller must be replaced with a new one.
(Error display 3)
The number of data errors is the difference between the number of bits sent from the remote controller and the number actually transmitted through the transmission path. If such a problem is occurring, the transmitted data is affected by noise, etc. Check the transmission path.
ing circuit is defective.
"ERC" and the number of data errors are displayed. © Data error has occurred.
When the number of data errors is "02": Transmission data from remote controller Transmission data on transmission path
To cancel remote controller diagnosis
Press the approximately 30 seconds, the state in effect before the diagnosis will be restored.
CHECK
button for 5 seconds or more. Remote controller diagnosis will be cancelled, "PLEASE WAIT" and operation lamp will blink. After
37
9.3.3. Malfunction-diagnosis method by remote controller
Refer to the following tables for details on the check codes.
Errors detected by indoor unit
Check code Symptom Remark P1 Intake sensor error P9 Pipe (TH5) sensor error P2 Pipe (TH2) sensor error E6,E7 Interface controller/outdoor unit communication error P6 Freezing/Overheating protection operation EE Communication error between indoor and outdoor units P8 Pipe temperature error E4, E5 Remote controller signal receiving error —— —— Fb Interface controller system error (memory error, etc.) E0, E3 Remote controller transmission error E1, E2 Remote controller control board error
Errors detected by unit other than indoor unit (outdoor unit, etc.)
Check code Symptom Remark E8
E9 UP Compressor overcurrent interruption
U3,U4 Open/short of outdoor unit thermistors UF Compressor overcurrent interruption (When compressor locked) U2 Abnormal high discharging temperature/insuffi cient refrigerant
U1,Ud U5 Abnormal temperature of heatsink
U8 Outdoor unit fan protection stop U6 Compressor overcurrent interruption/Abnormal of power module U7 Abnormality of superheat due to low discharge temperature
U9,UH ——
—— Others Other errors (Refer to the technical manual for the outdoor unit.)
Interface controller/outdoor unit communication error (Signal receiving error)
Interface controller/outdoor unit communication error (Transmitting error) (Outdoor unit)
Abnormal high pressure (63H worked)/Overheating protection opera­tion
Abnormality such as overvoltage or voltage shortage and abnormal synchronous signal to main circuit/Current sensor error
For details, check the LED display of the outdoor controller board.
38
If the unit cannot be operated properly after test run, refer to the following table to find the cause.
• Symptom
Wired remote controller LED 1, 2 (PCB in outdoor unit)
PLEASE WAIT
PLEASE WAIT Error code
Display messages do not appear even when operation switch is turned ON (operation lamp does not light up).
Note: Operation is not possible for about 30 seconds after cancellation of function selection. (Correct operation)
For description of each LED (LED1, 2, 3) provided on the interface controller, refer to the following table. Display detail A (SW 3-1 = OFF, SW 3-2 = OFF, SW 3-3 = OFF)
For about 2 minutes after power-on
Subsequent to about 2 minutes after power-on
After LED 1, 2 are lighted, LED 2 is
turned off, then only LED 1 is lighted.
(Correct operation)
Only LED 1 is lighted.
Only LED 1 is lighted.
LED 1, 2 blink.
LED 1 blinks twice, LED 2 blinks once.
For about 2 minutes following power-on,op­eration of the remote controller is not possible due to system start-up. (Correct operation)
•Connector for the outdoor unit’s protection device is not connected.
•Reverse or open phase wiring for the outdoor unit’s power terminal block (L1, L2, L3)
•Incorrect wiring between interface controller and outdoor (incorrect polarity of S1, S2, S3)
•Remote controller wire short
Cause
LED1 (power for microcomputer) Indicates whether control power is supplied. Make sure that this LED is LED2 (power for remote controller) Indicates whether power is supplied to the remote controller.
LED3 (communication between Interface controller
and outdoor units)
always lit.
This LED lights only in the case of the Interface controller which is connected to the outdoor unit refrigerant addresses “0”.
Indicates state of communication between the Interface controller and outdoor units. Make sure that this LED is always blinking.
39
Error code indication
You can check an error code on both 1 and 2.
LCD display on remote controller
1
2-digit LED indicator on outdoor unit PCB
2
SELF-DIAGNOSIS ACTION TABLE
Error Code Abnormal point and detection method Cause Countermeasure
P1
Target Temperature thermistor (TH1)
The unit is in 3-minute resume
1
prevention mode if short/open of thermistor is detected. Abnormal if the
unit does not reset normally after 3 minutes. (The unit returns to normal operation, if it has been reset normally.)
Constantly detected during cooling,
2
drying, and heating operation. Short: -90: or more Open: -40: or less
1
characteristics
2
3
failure of thermistor wiring
4
(For SPLIT type outdoor unit, this LED indicator is optional parts.PAC-SK52ST) * The 2-digit LED indicator on outdoor unit PCB can display indoor side error as well.
Defective thermistor Contact failure of connector on
the interface controller board (Insert failure)
Breaking of wire or contact Defective interface controller
board
Check resistance value of thermistor.
1–3
0: 15.0k 10: 9.6k 20: 6.3k 30: 4.3k
40: 3.0k If you put force on (draw or bend) the lead wire with measuring resistance value of thermistor, breaking of wire or contact failure can be detected.
Check contact failure of connector on the
2
interface controller board. Turn the power on again and check restart after inserting connector again.
Check <target> temperature display on
4
remote controller.
Replace interface controller board if there is
abnormal difference with actual <target> temperature.
Turn the power off, and on again to operate after check.
" " " " "
P2
P9
Pipe temperature thermistor/Liquid (TH2)
The unit is in 3-minute resume
1
prevention mode if short/open of thermistor is detected. Abnormal if the
unit does not reset normally after 3 minutes. (The unit returns to normal operation, if it has been reset normally.)
Constantly detected during cooling,
2
drying, and heating (except defrosting)
operation Short: 90: or more Open: -40: or less
Pipe temperature thermistor / 2-phase (TH5)
The unit is in 3-minute resume protection
1
mode if short/open of thermistor is detected. Abnormal if the unit does not get back to normal within 3 minutes. (The unit returns to normal operation, if it has been reset normally.)
Constantly detected during cooling,
2
drying, and heating operation (except
defrosting) Short: 90: or more Open: -40: or less
Defective thermistor
1
characteristics
Contact failure of connector on
2
the interface controller board (Insert failure)
Breaking of wire or contact
3
failure of thermistor wiring
Defective refrigerant circuit is
4
causing thermistor temperature of 90: or more or -40: or less.
Defective interface controller
5
board
Defective thermistor
1
characteristics
Contact failure of connector on
2
the interface controller board (Insert failure)
Breaking of wire or contact
3
failure of thermistor wiring
Temperature of thermistor is
4
90: or more or -40: or less caused by defective refrigerant circuit.
Defective interface controller
5
board
Check resistance value of thermistor.
1–3
For characteristics, refer to (P1) above.
Check contact failure of connector on the
2
interface controller board. Turn the power on and check restart after inserting connector again.
Check pipe <liquid> temperature with remote
4
controller in test run mode. If pipe <liquid> temperature is extremely low (in cooling mode) or high (in heating mode), refrigerant circuit may have defective.
Check pipe <liquid> temperature with
5
remote controller in test run mode. If there is extremely difference with actual pipe <liquid> temperature, replace interface controller board.
Turn the power off, and on again to operate after check.
Check resistance value of thermistor.
1–3
For characteristics, refer to (P1) above.
Check contact failure of connector on the
2
interface controller board.
Turn the power on and check restart after
inserting connector again.
Operate in test run mode and check pipe
4
<2-phase> temperature with outdoor controller circuit board. If pipe <2-phase> temperature is extremely low (in cooling mode) or high (in heating mode), refrigerant circuit may have defect.
Operate in test run mode and check pipe
5
<2-phase> temperature with outdoor control
circuit board. If there is extreme difference with actual pipe <2-phase> temperature, replace interface
controller board. There is no abnormality if none of above
comes within the unit. Turn the power off and on again to operate.
40
In case of checking pipe temperature with outdoor controller circuit board, be sure to connect A-control service
(
tool (PAC-SK52ST).
)
Error Code
Abnormal point and detection method
Freezing/overheating protection is working
Freezing protection (Cooling mode)
1
The unit is in 6-minute resume prevention mode if pipe <liquid or 2-phase> temperature stays under
-15: for 3 minutes, 3 minutes after the compressor started. Abnormal if it stays under -15: for 3 minutes again within 16 minutes after 6-minute resume prevention mode.
Cause
(Cooling or drying mode)
Clogged fi lter (reduced airfl ow)
1
Short cycle of air path
2
Low-load (low temperature)
3
operation out of the tolerance range
Defective indoor fan motor
4
• Fan motor is defective.
• Indoor controller board is defective.
Countermeasure
(Cooling or drying mode)
Check clogs of the fi lter.
1
Remove shields.
2
Check indoor fan motor.
4
P6
P8
Overheating protection (Heating mode)
2
The units is in 6 minute resume
prevention mode if pipe <2-phase> temperature is detected as over 70: after the compressor started. Abnormal if the temperature of over 70: is detected again within 30 minutes after 6 minute resume prevention mode.
Pipe temperature
<Cooling mode> Detected as abnormal when the pipe temperature is not in the cooling range 3 minutes after compressor start and 6 minutes after the liquid or 2-phase pipe is out of cooling range. Note 1) It takes at least 9 minutes to detect. Note 2) Abnormality P8 is not detected in
drying mode. Cooling range : -3 °C ] (TH-TH1) TH: Lower temperature between: liquid
pipe temperature (TH2) and 2-phase temperature (TH5)
TH1: Target temperature <Heating mode>
When 10 seconds have passed after the compressor starts operation and the hot adjustment mode has fi nished, the unit is detected as abnormal when 2-phase pipe temperature is not in heating range within 20 minutes.
Defective outdoor fan control
5
Overcharge of refrigerant
6
Defective refrigerant circuit
7
(clogs)
(Heating mode)
Clogged fi lter (reduced airfl ow)
1
Short cycle of air path
2
Over-load (high temperature)
3
operation out of the tolerance range
Defective indoor fan motor
4
• Fan motor is defective.
• Indoor controller board is defective.
Defective outdoor fan control
5
Overcharge of refrigerant
6
Defective refrigerant circuit
7
(clogs)
Bypass circuit of outdoor unit is
8
defective.
Slight temperature difference
1
between TH1
temperature and pipe <liquid or 2-phase> temperature thermistor
• Shortage of refrigerant
• Disconnected holder of pipe <liquid or 2-phase> thermistor
• Defective refrigerant circuit
Converse connection of
2
extension pipe (on plural units
connection)
Converse wiring of interface/
3
outdoor unit connecting wire (on
plural units connection)
Defective detection of
4
target temperature and pipe <2-phase>
temperature thermistor
Stop valve is not opened
5
completely.
Check outdoor fan motor.
5
Check operating condition of refrigerant
67
circuit.
(Heating mode)
Check clogs of the fi lter.
1
Remove shields.
2
Check indoor fan motor.
4
Check outdoor fan motor.
5
Check operating condition of refrigerant
6~8
circuit.
Check pipe <liquid or 2-phase>
1~4
temperature with target temperature display on remote controller and outdoor controller circuit board.
Pipe <liquid or 2-phase> temperature
display is indicated by setting SW2 of outdoor controller circuit board as follows.
Conduct temperature check with outdoor controller circuit board after connecting
(
‘A-Control Service Tool(PAC-SK52ST)’.
Check converse connection of extension
23
pipe or converse wiring of interface/outdoor unit connecting wire.
)
Note 3) It takes at least 27 minutes to
detect abnormality.
Note 4) It excludes the period of defrosting.
(Detection restarts when defrosting mode is over.)
Heating range : 3 °C [ (TH5-TH1)
41
Error Code
E0
or
E4
Abnormal point and detection method
Remote controller transmission error (E0)/signal receiving error (E4)
Abnormal if main or sub remote controller
1
cannot receive any transmission normally from Interface unit of refrigerant address “0” for 3 minutes.
(Error code: E0)
Abnormal if sub-remote controller could
2
not receive any signal for 2 minutes. (Error code: E0)
Abnormal if Interface controller board
1
can not receive any data normally from remote controller board or from other Interface controller board for 3 minutes. (Error code: E4)
Interface controller board cannot receive
2
any signal from remote controller for 2 minutes. (Error code: E4)
Contact failure at transmission
1
wire of remote controller
All remote controllers are set
2
as “sub” remote controller. In this case, E0 is displayed on remote controller, and E4 is displayed at LED (LED1, LED2) on the outdoor controller circuit board.
Miswiring of remote controller
3
Defective transmitting receiving
4
circuit of remote controller
Noise has entered into the
5
transmission wire of remote controller.
Judgment and actionCase
Check disconnection or looseness of
1
Interface unit or transmission wire of remote controller.
Set one of the remote controllers “main”, If
2
there is no problem with the action above.
Check wiring of remote controller.
3
• Total wiring length: max. 500 m (Do not use cablex 3 or more.)
• The number of connecting remote controller: max. 2 units
When it is not the above-mentioned problem of
~
1
3
Diagnose remote controllers.
4
a) When “RC OK” is displayed, remote
controllers have no problem.
Turn the power off, and on again to check. If abnormality generates again, replace Interface controller board.
b) When “RC NG” is displayed, replace
remote controller.
c) When “RC E3” or “ERC 00-66” is displayed,
noise may be causing abnormality.
E1 E2
E3 E5
Remote controller control board
Abnormal if data cannot be read normally
1
from the nonvolatile memory of the remote controller control board.
(Error code: E1)
Abnormal if the clock function of remote
or
or
2
controller cannot be operated normally.
(Error code: E2)
Remote controller transmission error (E3)/signal receiving error (E5)
Abnormal if remote controller could not
1
nd blank of transmission path for 6 seconds and could not transmit.
(Error code: E3)
When remote controller receives
2
the transmitted data same time and compares these data. Abnormal if the data is judged to be different for 30 continuous times. (Error code: E3)
Abnormal if Interface controller board
1
could not fi nd blank of transmission path. (Error code: E5)
When Interface controller receives
2
the transmitted data same time and compares these data. Abnormal if the data is judged to be different for 30 continuous times. (Error code: E5)
Defective remote controller
1
2 remote controllers are set as
1
“main.”
(
In case of 2 remote controllers
Defective transmitting receiving
2
circuit of remote controller
Defective transmitting receiving
3
circuit of Interface controller board
Noise has entered into
4
transmission wire of remote controller.
Replace remote controller.
1
Set a remote controller to main, and the
1
other to sub.
)
Diagnose remote controller.
2~4
a) When “RC OK” is displayed, remote
controllers have no problem. Turn the power off, and on again to check. When becoming abnormal again, replace
interface controller board. b) When “RC NG” is displayed, replace
remote controller. c) When “RC E3” or “ERC 00-66” is
displayed, noise may be causing
abnormality.
42
Error Code
E6
Abnormal point and detection method Judgment and action
Interface unit/outdoor unit communication error (Signal receiving error)
Abnormal if Interface controller board
1
cannot receive any signal normally for 6 minutes after turning the power on. Abnormal if Interface controller board
2
cannot receive any signal normally for 3 minutes.
Contact failure, short circuit
1
or, miswiring (converse wiring) of Interface unit/outdoor unit connecting wire
Defective transmitting receiving
2
circuit of Interface controller board
Defective transmitting receiving
3
circuit of Interface controller board
Noise has entered into Interface
4
unit/outdoor unit connecting wire.
Case
* Check LED display on the outdoor control
circuit board. (Connect A-control service tool, PAC-SK52ST.)
Check disconnection or looseness of
1
Interface unit/outdoor unit connecting wire of Interface unit or outdoor unit.
~
Turn the power off, and on again to
2
4
check. If abnormality generates again, replace Interface controller board or outdoor controller circuit board.
E8
E9
EF
Interface unit/outdoor unit communication error (Signal receiving error) (Outdoor unit)
Abnormal if outdoor controller circuit board could not receive anything normally for 3 minutes.
Interface unit/outdoor unit communication error (Transmitting error) (Outdoor unit)
(1) Abnormal if “0” receiving is detected
30 times continuously though outdoor controller circuit board has transmitted “1”.
(2) Abnormal if outdoor controller
circuit board could not fi nd blank of transmission path for 3 minutes.
Non defi ned error code
This code is displayed when non defi ned error code is received.
Contact failure of Interface unit/
1
outdoor unit connecting wire
Defective communication circuit
2
of outdoor controller circuit board
Defective communication circuit
3
of Interface controller board
Noise has entered into Interface
4
unit/outdoor unit connecting wire.
Interface unit/outdoor unit
1
connecting wire has contact failure.
Defective communication circuit
2
of outdoor controller circuit board
Noise has entered power
3
supply.
Noise has entered Interface
4
unit/outdoor unit connecting wire.
Noise has entered transmission
1
wire of remote controller.
Noise has entered Interface
2
unit/outdoor unit connecting wire.
Check disconnection or looseness of
1
Interface unit/outdoor unit connecting wire of Interface unit or outdoor unit.
Turn the power off, and on again to
2~4
check. Replace Interface controller board or outdoor controller circuit board if abnormality is displayed again.
Check disconnection or looseness of
1
Interface unit/outdoor unit connecting wire.
Turn the power off, and on again to
2~4
check. Replace outdoor controller circuit board if abnormality is displayed again.
Turn the power off, and on again to check.
12
Replace Interface controller board
or outdoor controller circuit board if abnormality is displayed again.
Ed
Serial communication error
Abnormal if serial communication between outdoor controller circuit board and outdoor power circuit board is defective.
Wire disconnection or contact
1
failure of connector CN2
between the outdoor controller circuit board and the outdoor power circuit board
Wire disconnection or contact
2
failure of connector CN4
between the outdoor controller circuit board and the outdoor power circuit board
Defective communication circuit
3
of outdoor power circuit board
Defective communication circuit
4
of outdoor controller circuit board for outdoor power circuit board
43
Check connection of each connector CN2
12
and CN4 between the outdoor controller circuit board and the outdoor power circuit board.
Replace outdoor power circuit board.
3
Replace outdoor controller circuit board.
4
9.3.4. HOW TO "MONITOR THE OPERATION DATA"
• Turn on the [Monitoring the operation data]
(3)
Example) Request code "004"
Discharge temperature 69 Refrigerant address "00"
(7) (5)
(1) (2)
(4)
(1)Press the (2)Press the
Note)
Operating the service inspection monitor
- - - ] appears on the screen (at
[
(The display (at (3)Press the [TEMP] buttons (
[Screen]
(4)Press the [CLOCK] buttons ( and ) to set the desired request code No. (5)Press the
(The requested data will be displayed at Data collected during operation of the remote controller will be displayed.
The collected data such as temperature data will not be updated automatically even if the data changes. To display the updated data, carry out step (4) again.
TEST
CHECK
It is not possible to switch to [Maintenance monitor] during data request in maintenance mode (i.e., while "
since no buttons are operative.
FIL TER
button for 3 seconds so that [ Maintenance mode] appears on the screen (at ).
button for 3 seconds to switch to [Maintenance monitor].
) when [Maintenance monitor] is activated.
) now allows you to set a request code No.)
and ) to select the desired refrigerant address.
button to perform data request.
in the same way as in maintenance mode.)
(6)
A: Maintenance mode B: Refrigerant address C: Data display area D: Request code display area
- - - -"
is blinking)
Canceling the Monitoring the operation data
(6)While [Maintenance monitor] is displayed, press the (7)To return to normal mode, press the
ON/OFF
CHECK
button.
button for 3 seconds to return to maintenance mode.
44
9.4. Request code list
* Certain interface/outdoor combinations do not have the request code function; therefore, no request codes are displayed.
Request content
Request code
Operation state
0
Compressor-Operating current (rms)
1
Compressor-Accumulated operating time
2
Compressor-Number of operation times
3
Discharge temperature (TH4)
4
Outdoor unit - Liquid pipe 1 temperature (TH3)
5
Outdoor unit - Liquid pipe 2 temperature
6
Outdoor unit-2-phase pipe temperature (TH6)
7 8
Outdoor unit-Suction pipe temperature (TH32) Outdoor unit-Outside air temperature (TH7)
9
Outdoor unit-Heatsink temperature (TH8)
10 11
Discharge superheat (SHd)
12
Sub-cool (SC)
13 14 15
Compressor-Operating frequency
16
Compressor-Target operating frequency
17
Outdoor unit-Fan output step
18
Outdoor unit-Fan 1 speed
19
(Only for air conditioners with DC fan motor) Outdoor unit-Fan 2 speed
20
(Only for air conditioners with DC fan motor)
21
LEV (A) opening
22
LEV (B) opening
23 24
LEV (C) opening Primary current
25
DC bus voltage
26 27 28
Number of connected indoor units
29
Interface unit-Setting temperature
30
Interface unit-T arget temperature <Measured by thermostat>
31
Interface unit-Target temperature (Unit No. 1)
32
<Heat mode-4-deg correction> Interface unit-Target temperature (Unit No. 2)
33
<Heat mode-4-deg correction> Interface unit-Target temperature (Unit No. 3)
34
<Heat mode-4-deg correction> Interface unit-Target temperature (Unit No. 4)
35
<Heat mode-4-deg correction>
36
Interface unit - Liquid pipe temperature (Unit No. 1)
37
Interface unit - Liquid pipe temperature (Unit No. 2)
38
Interface unit - Liquid pipe temperature (Unit No. 3)
39
Interface unit - Liquid pipe temperature (Unit No. 4)
40 41
Interface unit-2-phase. pipe temperature (Unit No. 1)
42
Interface unit-2-phase. pipe temperature (Unit No. 2)
43
Interface unit-2-phase. pipe temperature (Unit No. 3)
44
Interface unit-2-phase. pipe temperature (Unit No. 4)
45 46 47
Thermostat ON operating time
48
Test run elapsed time
49
Description
(Display range)
Refer to 9.4.1. Detail Contents in Request Code. 0 – 50 0 – 9999 0 – 9999 3 – 217
-40 – 90
-40 – 90
-39 – 88
-39 – 88
-39 – 88
-40 – 200
0 – 255 0 – 130
0– 255 0– 255 0– 10
0 – 9999
0 – 9999
0– 500 0– 500
0– 500 0– 50
180 – 370
0– 4 17 – 30 8– 39 8– 39
8– 39
8– 39
8– 39
-39 – 88
-39 – 88
-39 – 88
-39 – 88
-39 – 88
-39 – 88
-39 – 88
-39 – 88
0 – 999 0– 120
10 hours
100 times
Step
Pulses Pulses
Pulses
Units
Minutes Minutes
Unit Remarks
– A
˚C ˚C ˚C ˚C ˚C ˚C ˚C
˚C ˚C
Hz Hz
rpm
rpm
˚C ˚C
˚C
˚C
˚C
˚C
˚C ˚C ˚C ˚C
˚C ˚C ˚C ˚C
"0" is displayed if the air conditioner is a single-fan type.
A V
"0" is displayed if the target unit is not present.
is displayed if the target unit is not present.
"0"
is displayed if the target unit is not present.
"0"
Not possible to activate maintenance mode during the test run.
45
Request content
Request code
Interface unit-Control state
50
Outdoor unit-Control state
51
Compressor-Frequency control state
52
Outdoor unit-Fan control state
53
Actuator output state
54
Error content (U9)
55 56 57 58 59
Signal transmission demand capacity
60
Contact demand capacity
61
External input state (silent mode, etc.)
62 63 64 65 66 67 68 69
Outdoor unit-Capacity setting display
70
Outdoor unit-Setting information
71 72
Outdoor unit-SW1 setting information
73
Outdoor unit-SW2 setting information
74 75
Outdoor unit-SW4 setting information
76
Outdoor unit-SW5 setting information
77
Outdoor unit-SW6 setting information
78
Outdoor unit-SW7 setting information
79
Outdoor unit-SW8 setting information
80
Outdoor unit-SW9 setting information
81
Outdoor unit-SW10 setting information
82 83
M-NET adapter connection (presence/absence)
84 85
86 87 88
89
Display of execution of replace/wash operation Outdoor unit-Microcomputer version information
90
Outdoor unit-Microcomputer version information (sub No.)
91
92 93 94 95 96 97 98 99
Outdoor unit - Error postponement history 1 (latest)
100
Outdoor unit - Error postponement history 2 (previous)
101
Outdoor unit - Error postponement history 3 (last but one)
102
Description
(Display range)
Refer to 9.4.1.Detail Contents in Request Code. Refer to 9.4.1.Detail Contents in Request Code.
Refer to 9.4.1.Detail Contents in Request Code. Refer to 9.4.1.Detail Contents in Request Code. Refer to 9.4.1.Detail Contents in Request Code. Refer to 9.4.1.Detail Contents in Request Code.
0 – 255
Refer to 9.4.1.Detail Contents in Request Code.
Refer to 9.4.1.Detail Contents in Request Code.
Refer to 9.4.1.Detail Contents in Request Code. Refer to 9.4.1.Detail Contents in Request Code.
Refer to 9.4.1.Detail Contents in Request Code. Refer to 9.4.1.Detail Contents in Request Code.
Refer to 9.4.1.Detail Contents in Request Code.
Refer to 9.4.1.Detail Contents in Request Code.
Refer to 9.4.1.Detail Contents in Request Code.
Refer to 9.4.1.Detail Contents in Request Code. Refer to 9.4.1.Detail Contents in Request Code. Refer to 9.4.1.Detail Contents in Request Code. Refer to 9.4.1.Detail Contents in Request Code.
"0000": Not connected "0001": Connected
"0000": Not washed "0001": Washed
Examples) Ver 5.01
"0501" Auxiliary information (displayed after version information) Examples) Ver 5.01 A000
Displays postponement code. (" - - " is displayed if no postponement code is present) Displays postponement code. (" - - " is displayed if no postponement code is present) Displays postponement code. (" - - " is displayed if no postponement code is present)
"A000"
Code
Code
Code
Unit Remarks
– – – – – –
% – –
– –
– –
– – – – – – –
Ver
46
Request content
Request code
Error history 1 (latest)
103
Error history 2 (second to last)
104
Error history 3 (third to last)
105
Abnormal thermistor display
106
(TH3/TH6/TH7/TH8)
Operation mode at time of error
107
Compressor-Operating current at time of error
108
Compressor-Accumulated operating time at time of error
109
Compressor-Number of operation times at time of error
110
Discharge temperature at time of error
111
Outdoor unit - Liquid pipe 1 temperature (TH3) at time of error
112
Outdoor unit - Liquid pipe 2 temperature at time of error
113
Outdoor unit-2-phase pipe temperature (TH6) at time of error
114 115
Outdoor unit-Outside air temperature (TH7) at time of error
116
Outdoor unit-Heatsink temperature (TH8) at time of error
117
Discharge superheat (SHd) at time of error
118
Sub-cool (SC) at time of error
119
Compressor-Operating frequency at time of error
120
Outdoor unit at time of error
121
• Fan output step Outdoor unit at time of error
122
• Fan 1 speed (Only for air conditioners with DC fan) Outdoor unit at time of error
123
• Fan 2 speed (Only for air conditioners with DC fan)
124
LEV (A) opening at time of error
125
LEV (B) opening at time of error
126 127 128 129
Thermostat ON time until operation stops due to error
130 131
Interface - Liquid pipe temperature at time of error
132
Interface-2-phase pipe temperature at time of error
133
Interface at time of error
134
• T arget temperature <Thermostat judge temperature> 135 136 137 138 139 140
~ 146 147 148 149
Interface-Actual intake air temperature
150
Interface-Liquid pipe temperature
151
Interface-2-phase pipe temperature
152 153
~ 767
Description
(Display range)
Displays error history. (" - - " is displayed if no history is present.) Displays error history. (" - - " is displayed if no history is present.) Displays error history. (" - - " is displayed if no history is present.)
3
: TH3 6 : TH6 7 : TH7 8 : TH8 0 : No thermistor error
Displayed in the same way as request code "0". 0– 50 0 – 9999 0 – 9999 3– 217
-40 – 90
-40 – 90
-39 – 88
-39 – 88
-40 – 200 0– 255 0– 130 0– 255
0– 10
0 – 9999
0 – 9999
0– 500 0– 500
0 – 999
-39 – 88
-39 – 88
-39 – 88
-39 – 88
-39 – 88
-39 – 88
Unit Remarks
Code Code Code
Sensor number
– A
10 hours
100 times
˚C ˚C ˚C ˚C
˚C ˚C ˚C ˚C
Hz
Step
rpm
rpm
Pulses Pulses
Minutes
˚C
˚C
˚C
˚C ˚C ˚C
"0" is displayed if the air conditioner is a single-
fan type.
Average value of all indoor units is displayed if the air condi­tioner consists of two or more indoor units (twin, triple, quad). Average value of all indoor units is displayed if the air condi­tioner consists of two or more indoor units (twin, triple, quad).
47
9.4.1 Detail Contents in Request Code
Example) Request code "004"
Discharge temperature 69 Refrigerant address "00"
A: Maintenance mode display B: Refrigerant address
C: Data display area D: Request code display area
[Operation state] (Request code ":0")
Data display
Relay output state
Display
C4
Relay output state Operation mode
Operation mode
Display Operation mode
0STOP FAN C COOL • DRY HHEAT
d DEFROST
[Interface unit – Control state] (Request code :"50 ")
Data display
Unit No. 4 state Unit No. 3 state
Unit No. 2 state Unit No. 1 state
Display State
Power currently
supplied to compressor 0 1
2 3 4 5 6 7 8 A
0 Normal 1 Preparing for heat operation 2– 3– 4 Heater is ON. 5 Anti-freeze protection is ON. 6 Overheat protection is ON. 7 Requesting compressor to turn OFF F There are no corresponding units.
ON ON
Compressor 4-way valve Solenoid valve
ON ON ON ON
ON ON
ON ON
ON
ON
ON
ON
ON
[Outdoor unit – Control state] (Request code ":51")
Data display State 0 0 0 0 Normal 0 0 0 1 Preparing for heat operation 0 0 0 2 Defrost
[Compressor – Frequency control state] (Request code ":52")
Data display
00
Frequency control state Frequency control state
Frequency control state
Display Current limit control
0 No current limit 1 Primary current limit control is ON. 2 Secondary current limit control is ON.
Frequency control state
Display
Discharge temperature
0 1 Controlled 2 Controlled 3 Controlled Controlled 4 Controlled 5 Controlled Controlled 6 Controlled Controlled 7 Controlled Controlled Controlled 8 Controlled 9 Controlled Controlled
A Controlled Controlled
b Controlled Controlled Controlled
C Controlled Controlled
d Controlled Controlled Controlled
E Controlled Controlled Controlled
F Controlled Controlled Controlled Controlled
Condensation temperature
overheat prevention
overheat prevention
protection control
Anti-freeze
Heatsink temperature
overheat prevention
48
[Fan control state] (Request code :"53")
Data display
00
Fan step correction value by heatsink temperature overheat prevention control Fan step correction value by cool condensation temperature overheat prevention control
Display Correction value
- (minus) – 1 00
1
2
+1 +2
[Actuator output state] (Request code :"54")
Data display
00
Actuator output state Actuator output state
Actuator output state
Display SV1 4-way valve Compressor
0 1
2 3
4 5
6 7
8 9
A b
C d
E F
ON
ON
ON
ON
ON
ON
ON
ON
ON ON
ON ON
ON ON
ON ON
ON ON
ON ON
ON ON
ON ON
Compressor is
warming up
ON ON
ON ON
ON ON
ON ON
Actuator output state
Display 52C SV2 SS
0 1
2 3 4 5 6 7
ON
ON
ON
ON
ON ON
ON ON
ON ON ON ON
[Error content (U9)] (Request code :"55")
Data display
00
Error content Error content
Error content : Detected
Display
0 1 2 3 4 5 6 7 8 9 A b C d E F
Overvoltage Undervoltage L1-phase
error error open error
Power synchronizing
signal error
Error content : Detected
0 1 2 3
Converter Fo
error
PAM error
Display
49
[Contact demand capacity] (Request code "61")
Data display
000
Setting content
[External input state] (Request code "62")
Data display
000
Input state
Setting content
ON
ON
Setting
ON
Display Setting value
0 1 50% 2 75% ON 3 100%
Input state : Input present
Display
0 1 2 3 4 5 6 7 8 9
A
b
C
d E F
0%
Contact demand Silent mode Spare 1 Spare 2
input input input input
SW7-1 SW7-2
[Outdoor unit - Capacity setting display] (Request code : "70")
Data display
935 10 50 11 60 14 71 20 100 25 125 28 140 40 200 50 250
Capacity
[Outdoor unit - Setting information] (Request code "71")
Data display
00
Setting information Setting information
Setting information
Display Defrost mode
0 Standard 1 For high humidity
Setting information
Display
0 1 2 3
Single-/ Heat pump/ 3-phase
Single-phase
3-phase
cooling only
Heat pump Cooling only Heat pump
Cooling only
50
[Outdoor unit switch setting display (SW1 to SW10, except SW3)] Request codes: 73 to 82
0: Swich OFF 1: Swich ON
SW1, SW2, SW6, SW7
123456 0 0 0 0 0 0 00 00
1 0 0 0 0 0 00 01 0 1 0 0 0 0 00 02 1 1 0 0 0 0 00 03 0 0 1 0 0 0 00 04 1 0 1 0 0 0 00 05 0 1 1 0 0 0 00 06 1 1 1 0 0 0 00 07 0 0 0 1 0 0 00 08 1 0 0 1 0 0 00 09 010100 000A 1 1 0 1 0 0 00 0b 001100 000C 1 0 1 1 0 0 00 0d 011100 000E 111100 000F 0 0 0 0 1 0 00 10 100010 010010 110010 001010 101010 011010 111010 000110 100110 010110 110110 001110 101110 011110 111110 000001 100001 010001 110001 001001 101001 011001 111001 000101 100101 010101 110101 001101 101101 011101 111101 000011 100011 010011 110011 001011 101011 011011 111011 000111 100111 010111 110111 001111 101111 011111 111111
Data display
00 11 00 12 00 13 00 14 00 15 00 16 00 17 00 18 00 19 00 1A 00 1B 00 1C 00 1D 00 1E 00 1F 00 20 00 21 00 22 00 23 00 24 00 25 00 26 00 27 00 28 00 29 00 2A 00 2B 00 2C 00 2D 00 2E 00 2F 00 30 00 31 00 32 00 33 00 34 00 35 00 36 00 37 00 38 00 39 00 3A 00 3B 00 3C 00 3D 00 3E 00 3F
0: Swich OFF 1: Swich ON
SW5
1234
Data display
0000 0000 1000 0001 0100 0002 1 1 0 0 00 03 0010 0004 1010 0005 0110 0006 1 1 1 0 00 07 0001 0008 1001 0009 0101 000A 1 1 0 1 00 0b 0011 000C 1 0 1 1 00 0d 0111 000E 1111 000F
0: Swich OFF 1: Swich ON
SW8
123
Data display
000 0000 100 0001 010 0002 110 0003 001 0004 101 0005 011 0006 111 0007
0: Swich OFF 1: Swich ON
SW4, SW9, SW10
12
Data display
0 0 00 00 1 0 00 01 0 1 00 02 1 1 00 03
51
10. Central control
When connected with the outdoor unit, M-NET converter and A-control sub Interface can be connected to MELANS and BMS, which enables the central control available. As for the demand control setting, the central control is not available in the fi xed capacity mode. However, with the wired remote controller method(Auto step mode), the central control is available.
Operation with MELANS / BMS Set the switch from the following setting according to the specifi cations of the local unit. Ex. Local unit with only heating : select the 2 or 3 below.
Operation function : ON/OFF, operation mode change, the set temperature change
1
Switch setting SW1-1=OFF SW1-2=ON SW1-3=ON SW1-4~8=OFF SW2-1~5=OFF SW 2-6=ON SW2-7,8=OFF
Operation function : ON/OFF, the set temperature change
2
Switch setting SW1-1=OFF SW1-2=ON SW1-3=ON SW1-4~8=OFF SW2-3~5=OFF SW 2-6=ON SW2-7,8=OFF (Operation mode is determined by the setting of SW2-1, 2. MELANS and BMS cannot operate this setting.)
Operation function : ON/OFF, operation mode change
3
Switch setting SW1-1=OFF SW1-2=ON SW1-3=ON SW1-4~8=OFF SW1,2=OFF SW 2-6=ON SW2-7,8=OFF (Set temperature is determined by the setting of SW2-3~5. MELANS and BMS cannot operate this setting.)
Operation function : ON/OFF
4
Switch setting SW1-1=OFF SW1-2=ON SW1-3=ON SW1-4~8=OFF SW 2-6=ON SW2-7,8=OFF (Operation mode and set temperature are determined by the setting of SW2-1~5. MELANS and BMS cannot operate this
setting.)
Intake temp. Liquid pipe temp.
Local unit
Wired remote controller
Intake temp. Liquid pipe temp.
Local unit
Wired remote controller
Interface controller
PAR-21MAA
Interface controller
PAR-21MAA
A transmission line/Power line
Power line
Outdoor unit
A transmission line/Power line
Power line
Outdoor unit
M-NET converter A-Control sub Interface
MELANS BMS
M-NET converter A-Control sub Interface
52
11. Outlines and dimensions
Unit : mm
TB61 TB62
3-ELECTRIC WIRE INLET
336 313
(11.5)11.5
Ø5
Ø12
TB141TB142
TB6
22
10
2-HOLES (FOR INSTALLATION)
200
278
(FOR
INSTALLATION)
Ø5 HOLES
2-
69
53
12. Troubleshooting
A flowing water sound or occasional hissing sound is heard.
Water does not heat or cool well.
Water or vapor is emitted from the outdoor unit.
Thease sounds can be heard when refrigerant is fl owing in the indoor
unit, refrigerant pipe or when the refrigerant is chaging.
Clean the fi lter of water piping. (Flow is reduced when the fi lter is dirty
or clogged.)
Check the temperature adjustment and adjust the set temperature.
Make sure that there is plenty of space around the outdoor unit.
During cooling mode, water may form and drip from the cool pipes and
joints.
During heating mode, water may form and drip from the heat exchanger
of outdoor unit.
During defrosting mode, water on the heat exchanger of outdoor unit
evaporates and water vapor may be emitted.
54
Flow temp. controller (FTC)5
CONTENTS
1. System ..............................................................................................56
2. Electrical work...................................................................................58
3. Before test run ..................................................................................65
4. Remote controller operation .............................................................66
5. Initial setting by remote controller .....................................................74
6. Defi nition of analog signal by remote controller ................................76
(Required only for ANALOG TEMP. system)
7. Troubleshooting ................................................................................77
8. Outlines and dimensions ..................................................................89
5555
1. System
To start, check your system type by following the fl ow chart below.(FTC can be used for 3 types of systems.)
Start
Heat Pump switch ON/OFF and the operation mode change is done…
By external signals from local controller (non-voltage contact signals)
‘Target flow temperature’ is set…
By external signals from local controller (Analog signal:4-20mA/ 1-5V/ 0-10V)
Your system is ANALOG TEMP. SYSTEM.
By remote controller
By remote controller
Your system is
SIMPLE SYSTEM.
Your system is
BASIC SYSTEM.
SIMPLE SYSTEM BASIC SYSTEM ANALOG TEMP. SYSTEM
By Non-voltage Contact signals
FTC PCB BOX FTC PCB BOX FTC PCB BOX
ON/OFF
Operation mode
Target flow temp.
Remote controller
End user interface
Target flow temp.
Remote controller
To preset
- target temp. foreach mode
- target temp. parameters
ON/OFF
Operation mode
- Heating
- Heating ECO
- Hot water
- Anti freeze
- Cooling
System controller
(locally supplied)
End user interface
Remote controller
Topreset
- analog signal parameters
By Non-voltage Contact signals
ON/OFF
Operation mode
- Heating +
- Cooling
Target flow temp. Analog signal
4-20mA/1-5V/0-10V
+In this system,
• Heating ECO mode of FTC is
• It is NOT necessary to switch
System controller
(locally supplied)
End user interface
not available.
operation mode to realize Hot water mode, Anti freeze mode and Heating ECO mode. Simply change the target temp. by Analog signal.
56
Refer to the relevant sections for details according to your system type.
System System diagram
BASIC
Outdoor unit
SPLIT type
Local controller ON/OFF

MODE
TH1 TH2
FTC Outdoor unit FTC
Remote controller (PAR-W21MAA)
Power supplies
2.1
2.1.1
Thermistor (TH1, TH2)
2.2.1
2.2.2
Switch setting
2.2
External input
2.5.1
External output
2.6
ANALOG TEMP.
PACKAGED type
SPLIT type
PACKAGED type
Local controller ON/OFF

MODE
Local controller ON/OFF

MODE
Local controller ON/OFF

MODE
Local controller ON/OFF

Temp.
Local controller ON/OFF

Temp.
Local controller ON/OFF

Temp.
TH1 TH2
TH1
TH1
TH1 TH2
TH1 TH2
TH1
FTC Outdoor unit FTC
Remote controller (PAR-W21MAA)
FTC Outdoor unit FTC
Remote controller (PAR-W21MAA)
FTC Outdoor unit FTC
Remote controller (PAR-W21MAA)
FTC Outdoor unit FTC
Remote controller (PAR-W21MAA)
FTC Outdoor unit FTC
Remote controller (PAR-W21MAA)
FTC Outdoor unit FTC
Remote controller (PAR-W21MAA)
2.1
2.1.2
2.1
2.1.1
2.1
2.1.2
2.1
2.1.1
2.1
2.1.2
2.1
2.1.1
2.2.1
2.2.2
2.2.1
2.2.1
2.2.1
2.2.2
2.2.1
2.2.2
2.2.1
2.2
2.2
2.2
2.2
2.2
2.2
2.5.1
2.5.1
2.5.1
2.5.1
2.5.2
2.5.1
2.5.2
2.5.1
2.5.2
2.6
2.6
2.6
2.6
2.6
2.6
SIMPLE
SPLIT type
PACKAGED type
Local controller ON/OFF

Temp.
TH1
TH1 TH2
TH1 TH2
TH1
TH1
FTC Outdoor unit FTC
Remote controller (PAR-W21MAA)
FTC Outdoor unit FTC
Remote controller (PAR-W21MAA)
FTC Outdoor unit FTC
Remote controller (PAR-W21MAA)
FTC Outdoor unit FTC
Remote controller (PAR-W21MAA)
FTC Outdoor unit FTC
Remote controller (PAR-W21MAA)
2.1
2.1.2
2.1
2.1.1
2.1
2.1.2
2.1
2.1.1
2.1
2.1.2
2.2.1
2.2.1
2.2.2
2.2.1
2.2.2
2.2.1
2.2.1
2.2
2.2
2.2
2.2
2.2
SPLIT type : the standard outdoor unit without a plate HEX(Refrigetant-water HEX) inside PACKAGED type : the Air to Water outdoor unit with a plate HEX(Refrigetant-water HEX) inside
2.5.1
2.5.2
2.6
2.6
2.6
2.6
2.6
57
2. Electrical work
2.1. FTC (Photo. 2-1)
1. Remove the cover.
2. Wire the power cable and control cable separately through the respective wiring inlets given in the photo.
• Make sure to put screws tightly.
Inlet for control cable
A
Inlet for power
B
Clamp
C
FTC / Outdoor unit connecting terminals
D
Earth terminal
E
D
C
C
Photo.2-1
A
E
B
2.1.1. FTC unit power supplied from outdoor unit
The following connection patterns are available.
The outdoor unit must be powered properly.(Details are shown in its installation manual.)
ABC
D
L
N
S1 S2 S3
E
F
S1 S2 S3
A Outdoor unit power supply B Earth leakage breaker C Wiring circuit breaker or isolating switch D Outdoor unit E FTC unit/outdoor unit connecting cables F FTC unit
TB6
S2 S3S1
NL
E: FTC unit/outdoorunit
connecting cables
Earth cable
Photo.2-2
FTC unit model PAC-IF021B-E Wiring Wire No. × size (mm²)
Circuit rating
*1. Max. 80 m *2. The fi gures are NOT always against the ground. S3 terminal has DC 24 V against S2 terminal. However between S3 and S1, these terminals are not electrically insulated by the transformer or other device.
FTC unit-Outdoor unit 3× 1.5 (polar) FTC unit-Outdoor unit earth 1 × Min.1.5 FTC unit-Outdoor unit S1-S2 AC 230 V FTC unit-Outdoor unit S2-S3 DC24 V
Notes: 1. Wiring size must comply with the applicable local and national codes.
2. Power supply cables and FTC unit/outdoor unit connecting cables shall not be lighter than polychloroprene sheathed fl exible cable. (Design 60245 IEC 57)
3. Install an earth wire longer than other cables.
58
2.1.2. Separate FTC unit/outdoor unit power supplies
The following connection patterns are available. The outdoor unit power must be powered properly(Details are shown in its installation manual).
D
L
N
A
CB
GEB
S1 S2 S3
C
F
L N
S1 S2 S3
A Outdoor unit power supply B Earth leakage breaker C Wiring circuit breaker or isolating switch D Outdoor unit E FTC unit/outdoor unit connecting cables F FTC unit G FTC unit power supply
If the FTC and outdoor units have separate power supplies, refer to the table below.
Separate power supply specifi cations
Photo.2-3
FTC unit controller connector (CNS2) connection change
Outdoor unit DIP switch set­tings (when using separate FTC unit/outdoor unit power supplies only)
TB6
NL
CNS2
Disconnected
ON 3 OFF 1 2 Set the SW8-3 to ON.
S2 S3S1
(SW8)
Power SupplyCables
FTC unit model PAC-IF021B-E FTC unit power supply ~/N (Single Phase), 50 Hz, 230 V FTC unit input capacity
Main switch (Breaker)
)
2
FTC unit power supply & earth 3 × Min. 1.5
(mm
FTC unit-Outdoor unit *2 2 × Min. 0.3
Wiring
FTC unit-Outdoor unit earth
Wire No. ×
size
*1 16 A
FTC unit L-N *3 AC 230 V FTC unit-Outdoor unit S1-S2 *3
rating
Circuit
FTC unit-Outdoor unit S2-S3 *3 DC24 V
*1. A breaker with at least 3.0mm contact separation in each pole shall be provided. Use earth leakage breaker (NV). *2. Max. 120 m
*3. The fi gures are NOT always against the ground.
Notes: 1. Wiring size must comply with the applicable local and national code.
2. Power supply cables and FTC unit/outdoor unit connecting cables shall not be lighter than polychloroprene sheathed fl exible cable. (Design 60245 IEC 57)
3. Install an earth wire longer than other cables.
E: FTC unit/outdoor unit
connecting cable
59
2.2. Connecting thermistor cable
Connect the thermistor 2 for the FTC controller.
2.2.1.
Connecting the actual fl ow water temp. thermistor
(TH1)
Connect the thermistor for the actual fl ow water temp. to 1 and 2 on the terminal block (TB61) on the FTC controller.
When the thermistor cables are too long, cut them at the appro­priate length. Do not bind them in the FTC unit.
<Thermistor position> Put TH1 on
piping (water
water
outlet
side).
Note: Be sure to attach the TH1 where it detects Flow
temp.(Water oulet side) correctly.
2.2.2. Connecting the pipe temp. thermistor (TH2)
Connect the thermistor for the refrigerant pipe temp. to 3 and 4 on the terminal block (TB61) on the FTC (PCB).
For packaged Outdoor unit : It is not necessary to connect TH2. For split Outdoor unit : Connect TH2.
When the thermistor cables supplied with FTC are too long, cut them to the appropriate length. Do not bind them in the FTC unit.
TB61
TH1 TH2
TB62
Wired remote controller cable
Photo.2-4
<Thermistor position> Put the TH2 on
refrigerant
piping (
Liquid
side).
It is better to protect the thermistor with heat insulating materials not to be affected by the ambient temperature.
Note: Be sure to attach the TH2 where it detects Refrigerant piping temp. (Liquid side) correctly.
Caution:
Do not route the thermistor cables together with power cables. The sensor part of the thermistor should be installed where user must not touch. (It is separated by the supplementary insulation from where user may touch.)
<Thermistor position and necessity>
Outdoor unit TH1 TH2 TH5 PACKAGED type ΟХ Х SPLIT type ΟΟХ
Ο: Necessary. Connect the thermistor. Х: Not necessary. The thermistor is not needed to connect.
PACKAGED type outdoor unit SPLIT type outdoor unit
Water OUTLET side
Outdoor unit
TH1
FTC
TH2: not necessary
Outdoor unit
Refrigerant LIQUID side
FTC
Water OUTLET side
TH1
*1
Water piping
Packaged type (with a refrigerant-water HEX inside)
*1 Refrig
TH2
erant-water HEX
<Thermistor Characteristic graph> Refer to section 4.2 of I/F.
IT type
SPL (without refrigerant-water
HEX inside)
60
Refrigerant piping
TH2
*1
*1 Refrig
Water piping
erant-water HEX
30120
83.5
46
3030
2.3. Connecting the wired remote controller
2.3.1.
Connecting the wired remote controller cable to FTC
Connect the wired remote controller cable to 5 and 6 on the ter­minal block (TB62) on the FTC controller.(Photo. 2-4) Wiring wire No.×size(mm
The 5m wire is attached as an accessory. Max. 500 m
2
) : 2×0.3(Non-polar)
Wiring size must comply with the applicable local and national
codes.
Circuit rating: DC12V
Circuit rating is NOT always against the ground.
Fig. 2-1
B-1. B-2.
Fig. 2-2
-3
Fig. 2
BTB
A6
2.3.2. For wired remote controller
1) Installing procedures
(1)
Select an installing position for the remote controller. (Fig. 2-1)
Procure the following parts locally:
2 piece switch box Thin copper conduit tube Lock nuts and bushings
[Fig.2-1]
Remote controller profi le
A
Required clearances surrounding the remote controller
B
Installation pitch
C
(2)Seal the service entrance for the remote controller cable with
putty to prevent possible invasion of dew drops, water, cock­roaches or insects. (Fig. 2-2)
For installation in the switch box
A
For direct installation on the wall, select one of the follow-
B
ings:
• Prepare a hole through the wall to pass the remote controller cable (in order to take out the remote controller cable from the back), then seal the hole with putty.
• Take out the remote controller cable through the cut-out up­per case, then seal the cut-out notch with putty.
B-1. To lead the remote controller cable from the back of
the controller
B-2. To take out the remote controller cable through the up-
per portion
[Fig.2-2]
Wall
C
Conduit
D
Lock nut
E
Bushing
F
Switch box
G
Remote controller cable
H
Seal with putty
I
Wood screw
J
2) Connecting procedures (Fig. 2-3)
Connect the remote controller cable to the terminal block.
1
To TB62 No.5 and 6 on the FTC unit
A
TB6 (No polarity)
B
61
2.4. Switch setting of FTC
Set the dip switch on the FTC (PCB) according to the following table.
System ON/OFF
BASIC External input
ANALOG TEMP.
BASIC and SIMPLE
SIMPLE Wired remote controller Wired remote controller Wired remote controller SPLIT type OFF OFF OFF OFF OFF OFF
Input
(non-voltage contact) External input
(non-voltage contact) External input or
4-20mA *1 External input or
1-5V *2 External input External input
External input and Wired remote controller
External input and Wired remote controller
*1: 4-20mA····OFF: 0~2mA *2: 1-5V····OFF: 0~0.5V *3: The command from the external input is prior to the one from the wired remote controller. *4: SPLIT type : the standard outdoor unit without a plate HEX(refrigerant-water) inside. PACKAGED type : the Air to Water outdoor unit with a plate of HEX(refrigerant-water) inside
OTHER SWITCH SETTING
SW1-3 Prohibition of Cooling mode
SW1-3=OFF : Operation mode Heating/HeatingECO/HotWater/Anti-freeze/Cooling SW1-3=ON : Operation mode Heating/HeatingECO/HotWater/Anti-freeze
SW1-4 SW3-4,5,8 Not in use. Set to OFF. (Initial setting) SW3-7 Not in use. Set to ON. (Initial setting)
Change mode Input
External input (non-voltage contact)
External input (non-voltage contact)
External input (non-voltage contact)
External input (non-voltage contact)
(non-voltage contact)
*3
External input and *3 Wired remote controller
*3
External input and *3 Wired remote controller
Change TEMP. Input
DIP switch on PCB SW2-1~8, SW3-1~3
Wired remote controller SPLIT type ON OFF OFF OFF OFF OFF
4-20mA SPLIT type OFF ON OFF OFF ON ON
1-5V SPLIT type OFF ON OFF OFF OFF ON
0-10V SPLIT type ON ON OFF OFF OFF OFF
DIP switch on PCB SW2-1~8, SW3-1~3
Wired remote controller SPLIT type OFF OFF OFF OFF OFF OFF
Outdoor unit *4 SW1-1 SW1-2 SW1-5 SW1-6 SW6-1 SW6-2
SPLIT type ON OFF OFF ON OFF OFF PACKAGED type ON OFF ON ON OFF OFF
PACKAGED type ON OFF ON OFF OFF OFF
PACKAGED type OFF ON ON OFF ON ON
PACKAGED type OFF ON ON OFF OFF ON
PACKAGED type ON ON ON OFF OFF OFF SPLIT type OFF OFF OFF ON OFF OFF PACKAGED type OFF OFF ON ON OFF OFF
PACKAGED type OFF OFF ON OFF OFF OFF
PACKAGED type OFF OFF ON OFF OFF OFF
SW6
TB61
SW3-6 Logic of Forced Comp. OFF external signal(TB142 5-6)
SW3-6 TB142 No.5-6 input Item
OFF(open) Normal
OFF
ON(short) Forced Comp. OFF OFF(open) Forced Comp. OFF
ON
ON(short) Normal
SW1-6,7,8 Set temperature range
TH1 TH2
Photo.2-5
SW1-6=OFF Set temperature range with wired remote controller SW1-6=ON Set temperature table with DIP switch of FTC
SW1-6 SW1-7 SW1-8 Temperature range with wired remote controller Temperature table
Heating/HeatingECO/Hot Water Anti-Freeze Cooling OFF OFF OFF Upper 55 ˚C / lower 20 ˚C Upper 45 ˚C / lower 5 ˚C Upper 25 ˚C / lower 5 ˚C— OFF ON OFF Upper 60 ˚C / lower 20 ˚C *1 Upper 45 ˚C / lower 5 ˚C Upper 25 ˚C / lower 5 ˚C— OFF OFF ON Upper 50 ˚C / lower 20 ˚C Upper 45 ˚C / lower 5 ˚C Upper 25 ˚C / lower 5 ˚C— OFF ON ON — ON OFF OFF Table ON ON OFF Table ON OFF ON — ON ON ON
*1. Don’t use this setting when you use the standard outdoor unit without a plate HEX(Refrigerant-water) inside.
SW2-1~8, SW3-1~3
1 2
SW1 SW2
SW3
62
SW2-1~8 SW3-1~3 Fixed set temperature with DIP switch of FTC (Available when SW1-6 is ON) SW2-1~3 Fixed set temperature for Heating mode (Table1~2 depends on SW1-7,8.)
SW2-1 SW2-2 SW2-3 Table
Table
1
2
OFF OFF OFF 25 ºC 25 ºC ON OFF OFF 30 ºC 30 ºC OFF ON OFF 35 ºC 35 ºC ON ON OFF 40 ºC 40 ºC OFF OFF ON 45 ºC 45 ºC ON OFF ON 50 ºC 50 ºC OFF ON ON 55 ºC 55 ºC ON ON ON 60 ºC *1 60 ºC *1
The selectable temperature range for Heating mode depends on outdoor unit type. *1 Do not use this setting when you use the standard outdoor unit without a plate HEX(refrigerant-water) inside.
SW2-4~6 Fixed set temperature for Hot Water mode (Table1~2 depends on SW1-7,8.)
SW2-4 SW2-5 SW2-6 Table
Table
1
2
OFF OFF OFF 46 ºC 25 ºC ON OFF OFF 48 ºC 30 ºC OFF ON OFF 50 ºC 35 ºC ON ON OFF 52 ºC 40 ºC OFF OFF ON 54 ºC 45 ºC ON OFF ON 56 ºC 50 ºC OFF ON ON 58 ºC 55 ºC ON ON ON 60 ºC *1 60 ºC *1
The selectable temperature range for Hot Water mode depends on outdoor unit type. *1 Do not use this setting when you use the standard outdoor unit without a plate HEX(refrigerant-water) inside.
SW2-7,8 Fixed set temperature for Anti-freeze mode (Table1~2 depends on SW1-7,8.)
SW2-7 SW2-8 Table
Table
1
2
OFF OFF 5 ºC 5 ºC ON OFF 10 ºC 10 ºC OFF ON 15 ºC 15 ºC ON ON 20 ºC 20 ºC
SW3-1~3 Fixed set temperature for Cooling mode(Table1~2 depends on SW1-7,8.)
SW3-1 SW3-2 SW3-3 Table
Table
1
2
OFF OFF OFF 7 ºC 7 ºC ON OFF OFF 10 ºC 10 ºC OFF ON OFF 12 ºC 12 ºC ON ON OFF 15 ºC 15 ºC OFF OFF ON 18 ºC 18 ºC ON OFF ON 20 ºC 20 ºC OFF ON ON 22 ºC 22 ºC ON ON ON 25 ºC 25 ºC
2.5. Connecting external input
FTC can be operated by following external input.
2.5.1 EXTERNAL INPUT ( Contact signal )
TB142 OFF ON Remark 1-2 (IN1) Not in use 3-4 (IN2) Not in use 5-6 (IN3) Normal Forced Comp. OFF SW3-6=OFF
Forced Comp. OFF Normal SW3-6=ON 7-8 (IN4) OFF Cooling 10-11 (COM-IN5) OFF Heating 10-12 (COM-IN6) OFF Heating ECO *1
10-13 (COM-IN7) OFF Hot Water 10-14 (COM-IN8) OFF Anti-Freeze
*1 Heating ECO mode sets the set temperature depending on the outdoor temperature.
TB142
3 5 7 9 11 131
Forced Comp. OFF
Cooling
Heating HeatingECO Hot Water Anti-Freeze
4268101214
At site
FTC
1 2 3 4 5 6 7 8
9 10 11 12 13 14
TB142
63
2.5.2 EXTERNAL INPUT ( analog signal ) 4-20mA / 1-5V / 0-10V
Connect the transmission cables to No. 3 and 4 on the terminal block (TB62). No. 3 on the terminal block(TB62) : Plus side No. 4 on the terminal block(TB62) : Minus side (Reference side)
Switch setting
Input Outdoor unit SW1-1 SW1-2 SW1-5 SW1-6 SW6-1 SW6-2 4-20mA SPLIT type OFF ON OFF OFF ON ON
PACKAGED type OFF ON ON OFF ON ON
1-5V SPLIT type OFF ON OFF OFF OFF ON
PACKAGED type OFF ON ON OFF OFF ON
0-10V SPLIT type ON ON OFF OFF OFF OFF
PACKAGED type ON ON ON OFF OFF OFF
4-20mA / 1-5V / 0-10V setting
FLOW TEMP.
No.2 Temp.
No.1 Temp.
ANALOG SIGNAL
4-20mA 1-5V
0-10V
Stop
0mA --4mA --------------- 20mA 0V-------1V------------------- 5V
0V------------------10V
4-20mA/1-5V/0-10V
Wired remote controller
FTCAt site
1 2 3 4 5 6
TB62
+
( (
Refer to the section 8 for details about No1, 2 Temp. The selectable set temperature range depends on SW1-7, 8.
Caution:
TB141
Photo.2-6
The external input signals are separated by basic insulation from power supply for the unit. The external input signals should be separated by supplementary insulation from where user may touch in case that it is installed where user may touch. Connect the terminals by using the ring terminals and also insulate the cables of adjoining terminals when wiring to terminal block.
2.6. Connecting external output (Photo. 2-6)
TB141 Item OFF ON 1-2 (OUT1) X1 Operation Output OFF ON 3-4 (OUT2) X2 Error Output Normal Error 5-6 (OUT3) X3 Comp. Output OFF ON 7-8 (OUT4) X4 Defrost Output OFF ON
At site
9-10 (OUT5) X5 Mode(Cooling) Output OFF ON 11-12 (OUT6) X6 Mode(Heating/HeatingECO/Hot Water/
OFF ON
Anti-Freeze) Output
13-14 (OUT7) X7
Note :
External output signals are separated by basic insulation from other circuit of interface.
Caution :
When 2 or more external outputs are used, the power supply on the output side should be the same.
X1
1FTC
2 3X24 5X36 7X48 9
TB141
357911131
X5
X6 X7
42
6 8 10 12 14
1413121110
TB141
64
2.7. Wiring specifi cation of External output / External input
Locally supplied parts
Item Name Model and specifi cations External output function External output signal wire Use sheathed vinyl coated cord or cable.
Max. 50m Wire type : CV, CVS or equivalent Wire size : Stranded wire 0.5mm
2
to 1.25mm
2
Solid wire: {0.65mm to {1.2mm
Display lamp, etc. Non-voltage Contact AC220-240V (DC30V), 1A or less
*Connect the surge absorber according to the load at site.
External input function External input signal wire Use sheathed vinyl coated cord or cable.
Max. 10m Wire type : CV, CVS or equivalent Wire size : Stranded wire 0.5mm
2
to 1.25mm
2
Solid wire : {0.65mm to {1.2mm
Switch Non-voltage "a" contact signals
Remote switch : minimum applicable load DC 12V, 1mA
3. Before test run
3.1. Check
After completing installation and the wiring and piping of the local application and outdoor units, check for refrigerant leakage, looseness in the power supply or control wiring, wrong polarity, and no disconnection of one phase in the supply. Use a 500-volt megohmmeter to check that the resistance between the power supply terminals and ground is at least 1.0MΩ.
Warning:
Do not use the system if the insulation resistance is less than 1.0MΩ.
Caution:
Do not carry out this test on the control wiring (low voltage circuit) terminals.
ERROR CODE
3.2. Self-check
Turn on the power.
1
Press [CHECK] button twice.
2
Press [CHECK] button twice to fi nish self-check.
3
CHECK button BIC : FTC unit OC : Outdoor unit CCheck code
A
Check code Symptom P1 Flow water (TH1) sensor error
TEMP.
ON/OFF
P2 Refrigerant liquid Pipe (TH2) sensor error P6 Freezing/Overheating protection operation Fb FTC unit control system error (memory error, etc.) E0~E5 Signal transmission failure between remote controller and FTC. E6~EF Signal transmission failure between outdoor unit and FTC. – – – – No trouble generated in the past. FFFF No corresponding unit U*, F* Outdoor unit failure. Refer to the outdoor unit wiring diagram.
For description of each LED(LED1~5) provided on the FTC, refer to the following table.
LED 1 (Power for microcomputer) Indicates whether control power is supplied. Make sure that this LED is always lit. LED 2 (Power for remote controller) Indicates whether power is supplied to the remote cotroller. This LED lights only in
the case of the FTC unit which is connected to the outdoor unit refrigerant address “0“. LED 3(Communication between FTC and outdoor unit)
Indicates state of communication between the FTC and outdoor unit. Make sure that
this LED is always blinking. LED 4 — LED 5
65
4. Remote controller operation
4.1 Parts name
Wired Remote-Controller
Display Section
For purposes of this explanation, all parts of the display are shown. During actual operation, only the relevant items will be displayed.
Identifi es the current operation
Shows the operating mode, etc. * Multi language display is
supported.
“Centrally Controlled” indicator
Indicates that operation of the remote controller has been prohibited by a master controller.
“Timer is Off” indicator
Indicates that the timer is off.
Temperature Setting
Shows the target temperature.
Operation Section
Set Temperature buttons
Down Up
Day-of-Week
Shows the current day of the week.
Time/Timer Display
Shows the current time, unless the simple or Auto Off timer is set. If the simple or Auto Off timer is set, shows the time remaining.
TIME SUN MON TUE WED THU FRI SAT TIMER AFTER
ERROR CODE
˚F˚C
ON/OFF indicator
Indicates if timer is set ON/ OFF.
ON
Hr
OFF
AFTER
˚F˚C
FUNCTION
WEEKLY
“Locked” indicator
Indicates that remote controller buttons have been locked.
Timer indicators
The indicator comes on if the corresponding timer is set.
Error indicator
Comes on when error occurs.
Temperature indicator
Shows the current water temperature.
(Power On indicator)
Indicates that the power is on.
ON/OFF button
Setting change button
Timer Menu button (Monitor/Set button)
Mode button (Return button)
CIR. WATER button
(<Enter> button)
Set Time buttons
TEMP.
ON/OFF
Back
Ahead
Timer On/Off button
(Set Day button)
Opening the lid
Not available
TEST run function is not available with this FTC unit.
Self check(Clear) button
Note:
“PLEASE WAIT” message This message is displayed for approximately 3 minutes when power is supplied to the FTC unit or when the unit
is recovering from a power failure.
“NOT AVAILABLE” message This message is displayed if a button is pressed to operate a function that the FTC unit does not have, or a func-
tion that is not available due to the setting.
66
Function Selection of
remote controller

Standard Control Screens
OFF ON
2
1
2
TEMP.
˚C
TIME SUN
TIME SUN
Set Day/Time
TIME SUN
˚C
1
Day of the Week & Time
˚C
ON/OFF
display
9
4
Day of the Week Setting
3
Time Setting
4
<Screen confi guration>
For details on setting the language for the remote controller dis­play, refer to 4.6. Function Selection. The initial language setting is English.
Function Selection of remote controller: Set the functions and ranges available to the
remote controller (timer functions, operating restrictions, etc.)
˚F˚C
Set Day/Time: Set the current day of the week or time.
Standard Control Screens:
View and set the air conditioning system’s operating status
<How to change the screen>
: Hold down both the Mode button 2 and the Timer On/Off
A
button 9 for 2 seconds.
: Press either of the Set Time buttons (
B
: Press the Mode button 2.
c
or ) 1.
4.2 Setting the day of the week and time
1. Press the or Set Time button 1 to show display 2.
2. Press the Timer On/Off (Set Day) button 9 to set the day. * Each press advances the day shown at 3 : Sun → Mon → ... → Fri → Sat.
3. Press the appropriate Set Time button 1 as necessary to set the time.
* As you hold the button down, the time (at 4) will increment
first in one-minute intervals, then in ten-minute intervals, and then in 1-hour intervals.
4. After making the appropriate settings at Steps 2 and 3, press the button 4 to lock in the values.
Note: The day and time will not appear if clock use has been disa­bled at Function Selection of remote controller.
TEMP.
˚C
˚C
ON/OFF
1
1
4.3 Operation
Available items are different depending on your system. (Refer to section 3.)
4.3.1 Switching
<To Start Operation>
■ Press the ON/OFF button 1.
• The ON lamp 1 and the display area come on.
Note: When the unit restarts, the previous settings are recalled as follows.
Remote controller setting Mode Last operation mode Temperature setting Last set temperature
<To Stop Operation>
Press the ON/OFF button
1
again.
• The ON lamp 1 and the display area go dark.
Note: Even if you press the ON/OFF button to restart the system while turning down the operation, the outdoor unit will not start for about 3 minutes. This is to prevent the internal components from being dam­aged.
67
4.3.2. Mode select
Press operation mode ( ) button2 and select operation mode.
Heating mode (Space heating) Heating ECO mode (Space heating with weather compensation *1) Hot water mode (Sanitary hot water) Anti freeze mode (Heating to prevent water pipe from freezing) Cooling mode (Space cooling)
*1 Target fl ow temp. varies according to the outdoor temperature.
(Refer to 5. for setting.)
3 2
2 3
˚C
TEMP.
˚C
ON/OFF
4.3.3. Temperature setting
To decrease the target temperature:
Press
button 3 to set the desired temperature. The selected temperature is displayed 3.
To increase the target temperature:
Press
button 3 to set the desired temperature. The selected temperature is displayed 3.
Note: Heating ECO mode sets the set temperature depending on the outdoor temperature.
4.4. Other Functions
4.4.1.
Locking the Remote Controller Buttons (Operation function limit)
If you wish, you can lock the remote controller buttons. You can use the Function Selection of remote controller to select which type of lock to use.
(For information about the lock type, refer to 4.5, item[2].) Specifi cally, you can use either of the following 2 lock types.
1 Lock All Buttons: Locks all of the buttons on the remote controller. 2 Lock All Except ON/OFF: Locks all buttons other than the ON/OFF button.
Note: The “Locked” indicator appears on the screen to indicate that buttons are currently locked.
˚C
TEMP.
TIME SUN
Lock Indicator
1
<How to Lock the Buttons>
1. While holding down the CIR. WATER button 4, press and hold down the ON/OFF button 1 for 2 seconds. The “Locked” indica­tion appears on the screen (at 1), indicating that the lock is now
FUNCTION
˚C
ON/OFF
1 4
engaged.
* If locking has been disabled in Function Selection of remote
controller, the screen will display the “Not Available” message when you press the buttons as described above.
1
FUNCTION
˚C
˚C
If you press a locked button, the “Locked” indication (at 1) will
blink on the display.
˚C
˚C
1
FUNCTION
<How to Unlock the Buttons>
1. While holding down the CIR. WATER button 4, press and hold down the ON/ OFF button 1 for 2 seconds—so that the “Locked” indication disappears from the screen (at 1).
68
˚C
˚C
1
4.4.2. Error Codes indication
ERROR CODE
ON lamp
Indoor Unit’s
ON/OFF
Error Code Indoor Unit No.
(Blinking)
Refrigerant Address
If you have entered contact number to be called in the event of a problem,
Alternating Display
the screen displays this number. (You can set this up under Function Selection of remote controller. For information, refer to 4.5.)
If the ON lamp and error code are both blinking: This means that the air conditioner is out of order and operation has been
stopped (and cannot resume). Take note of the indicated unit number and error code, then switch off the power to the air con­ditioner and call your dealer or servicer.
When the Check button is pressed:
ERROR CODE
˚C
˚C
ON/OFF
CALL:XXXX XXX:XXX
ON/OFF
Error Code
If only the error code is blinking (while the ON lamp remains lit): Operation is continuing, but there may be a problem with the
system. In this case, you should note down the error code and then call your dealer or servicer for advice.
* If you have entered contact number to be called in the event of a problem, push the Check button to display it on the screen.
(You can set this up under Function Selection of remote controller. For information, refer to 4.5.)
4.5. Function Selection
Various remote controller functions are selectable in the remote controller function selection mode. Change setting when needed.
Item 1 Item 2 Item 3
1. Change language (“CHANGE LANGUAGE”)
2. Function limit (“FUNCTION SELECTION”)
3. Mode selection (“MODE SELECTION”)
4. Display change
(“DISP MODE SETTING”)
Language setting to display • Some European languages are selectable.
(1) Operation function limit setting (operation lock)
(“LOCKING FUNCTION”)
(2) Use of operation mode setting (“SELECT
MODE”)
(3) Temperature range limit setting (“LIMIT TEMP
FUNCTION”)
(1) Remote controller main/sub setting
(“CONTROLLER MAIN/SUB”)
(2) Use of clock setting (“CLOCK”) • To select the use or non-use of clock function (3) Timer function setting (“TIMER MODE”) • To select the timer type (4) Contact number setting in case of fault
(“CALL.”)
(5) Temperature offset setting(“TEMP OFFSET
FUNCTION”)
(1) Temperature display °C/°F setting (“TEMP
MODE °C/°F”)
(2) Water temperature display setting(“WATER
TEMP. DISP. SELECT”)
• To invalidate some functions.
• Setting the use or non-use of operation mode
• Setting the temperature adjustable range (maximum, minimum)
• Selecting main or sub remote controller
* When 2 remote controllers are connected to 1
group, 1 controller must be set to sub.
• Contact number display in case of error
• To select the telephone number
• To select the use or non-use of the water tempera­ture offset funstion
• To select the temperature unit (°C or °F) to display
• To select the use or non-use of the display of “actual
ow water temperature”
69
[Function selection flow chart] Setting language(English)
Normal display
Hold down the () button and press the () button for 2 seconds.
Hold down the () button and press the () button for 2 seconds.
Change Language
Function selection
English
Germany Spanish

Swedish French
Russian
Italian
OFF No1
No2
Dot display
OFF … Operation lock setting is not used.(Initial setting) No1 … Operation lock setting for all buttons except ON/OFF is active. No2 … Operation lock setting for all button is active.
TEMP.

ON/OFF
  
Present setting:Select mode=OFF Select mode = OFF
OFF
Present setting:Select mode=ON
Select mode = ON
OFF ON
OFF ON
OFF ON
OFF ON
OFF ON
Select mode = OFF (Initial setting)
• All operation modes are available in this mode.
Select mode = ON
• Selected mode is skipped.
OFF ···· Skipped ON ···· Available
Present setting:Limit TEMP. = OFF
Limit TEMP. = OFF
OFF
Present setting:Limit TEMP. = ON
Limit TEMP. = ON
Lower limit Upper limit
Lower limit Upper limit
Lower limit Upper limit
Limit TEMP. = OFF (Initial setting)
• Water temp. setting range : standard
Limit TEMP. = ON
• Water temp. setting range : limited
Lower limit ···· sets the lowest water Upper limit ···· sets the highest water
* “LIMIT TEMP. HOT WATER” mode
( )
temperature. temperature.
also limits the setting range in the “Heating” mode.
Mode selection
Display mode setting
MAIN ····The remote controller will be the main controller.(Initial setting) SUB ····The remote controller will be the sub controller.
ON
OFF
ON ····The crock function can be used.(Initial setting) OFF ····The clock function can not be used.
*
TIMER MODE OFF : Timer mode can not used.(Initial setting) WEEKLY TIMER : Weekly timer can be used.
*
AUTO OFF TIMER : Auto off timer can be used. SIMPLE TIMER : Simple timer can be used.
* These are timer mode.
*
OFF
ON
OFF ····The set contact numbers are not displayed in case of error. (Initial setting) ON ····The set contact numbers are displayed in case of error.
ON
OFF
°C
°F
OFF
ON
ON ····The offset function of the water temperature can be used. (Initial setting) OFF ····The offset function of the water temperature can not be used.
°C ···· The temperature unit “°C” is used.(Initial setting) °F ····The temperature unit “ °F” is used.
OFF ····Water temperature is displayed.(Initial setting) ON ····Water temperature is not displayed.
70
[Detailed setting]
[4]-1 CHANGE LANGUAGE setting
The language that appears on the dot display can be selected.
• Press the [ MENU] button G to change the language.
English (GB), 2 German (D), 3 Spanish (E), 4 Russian (RU),
1
Italian (I), 6 French (F), 7 Swedish (SW)
5
Refer to the dot display table.
[4]-2 Function selection setting
(1) Operation function limit setting (operation lock)
• To switch the setting, press the [ ON/OFF] button D.
no1: Operation lock setting is made on all buttons other than the
1
[
no2: Operation lock setting is made on all buttons.
2
OFF (Initial setting value): Operation lock setting is not made.
3
ON/OFF] button I.
* To make the operation lock setting valid on the normal
screen, it is necessary to press buttons (Press and hold down the [CIR.WATER] A and [
ON/OFF] buttons
I
at the same time for 2 seconds.) on the normal screen after the above setting is made.
(2) Use of operation mode setting When the remote controller is connected to the unit that has the operation mode, the following settings can be made.
• To switch the setting, press the [ SELECT HEATING
1
ON· ....HEATING mode can be selected.
OFF ....HEATING mode is skipped.
SELECT HEATING ECO
2
ON· ....HEATING ECO mode can be selected.
OFF ....HEATING ECO mode is skipped.
SELECT HOT WATER
3
ON· ....HOT WATER mode can be selected.
OFF ....HOT WATER mode is skipped.
SELECT ANTI-FREEZE
4
ON· ....ANTI-FREEZE mode can be selected.
OFF ....ANTI-FREEZE mode is skipped.
SELECT COOLING
5
ON· ....COOLING mode can be selected.
OFF ....COOLING mode is skipped.
SELECT MODE OFF(Initial setting value)
6
ON/OFF] button D.
The all operation mode is displayed when the mode is selected.
(3) Temperature range limit setting After this setting is made, the temperature can be changed within the set range.
• To switch the setting, press the [ ON/OFF] button D. LIMIT TEMP HOT WATER MODE:
1
The temperature range can be changed on hot water / heating mode.
LIMIT TEMP ANTI-FREEZE MODE:
2
The temperature range can be changed on anti-freeze mode.
LIMIT TEMP COOLING MODE:
3
The temperature range can be changed on cooling mode.
OFF (initial setting):
4
The temperature range limit is not active.
* When the setting other than OFF is made, the
temperature range limit setting on heating, hot water, anti-freeze, and cooling mode is made at the same time. However, the range cannot be limited when the set temperature range has not changed.
To increase or decrease the temperature, press the [ TEMP. (
) or ( )] button F.
To switch the upper limit setting and the lower limit setting, press the [
INITIAL SETTING] button H. The selected
setting will blink and the temperature can be set.
[4]-3 Mode selection setting
(1) Remote controller main/sub setting
• To switch the setting, press the [ ON/OFF] button D. Main: The controller will be the main controller.
1
Sub: The controller will be the sub controller.
2
(2) Use of clock setting
• To switch the setting, press the [ ON: The clock function can be used.
1
OFF: The clock function cannot be used.
2
ON/OFF] button D.
(3) Timer function setting
• To switch the setting, press the [
ON/OFF] button D
(Choose one of the followings.).
WEEKLY TIMER:
1
The weekly timer can be used.
AUTO OFF TIMER:
2
The auto off timer can be used.
SIMPLE TIMER:
3
The simple timer can be used.
TIMER MODE OFF(Initial setting):
4
The timer mode cannot be used.
* When the use of clock setting is OFF, the “WEEKLY
TIMER” cannot be used.
(4) Contact number setting for error situation
• To switch the setting, press the [ ON/OFF] button D. CALL OFF:
1
The set contact numbers are not displayed in case of error.
CALL **** *** ****:
2
The set contact numbers are displayed in case of error. CALL_: The contact number can be set when the display is as
shown above.
• Setting the contact numbers To set the contact numbers, follow the following procedures. Move the blinking cursor to set numbers. Press the [ TEMP. ( right (left). Press the [ CLOCK (
) and ( )] button F to move the cursor to the
) and ( )] button C
to set the numbers.
(5) Use of water temperature offset function
• To switch the setting, press the [ ON:
1 2
The water temperature offset function can be used. The water temperature offset function cannot be used.
OFF:
ON/OFF] button D.
* Refer to page 23 for details of offset function.
[4]-4 Display change setting
(1) Temperature display °C/°F setting
• To switch the setting, press the [ °C: The temperature unit °C is used.
1
°F: The temperature unit °F is used.
2
ON/OFF] button D.
(2) Water temperature display setting
• To switch the setting, press the [ ON: Water temperature is displayed.
1
OFF: Water temperature is not displayed.
2
ON/OFF] button D.
71
[Dot display table]
Selecting language
Waiting for start-up Operation mode Heating
Heating ECO Hot water Anti-freeze Cooling Stand by
(Hot adjust)
Defrost Not use button Check (Error) Test run Self check Change language Language selection Display change
Temperature display ˚C/˚F setting Water temperature
display setting Function selection
Operation function limit setting
English German Spanish Russian Italian French Swedish
Selecting language
Mode skip setting Mode skip
Temperature range limit setting
Temperature range limit setting mode
Mode selection Remote controller setting MAIN Remote controllersetting SUB Use of clock setting Setting the day of the week and
time Contact number setting
Temperature off set function Temperature off set function
(Heating) Temperature off set function
(Cooling) Timer set
Timer monitor Timer mode off Timer function setting Simple timer
Heating Heating ECO Hot water Anti-freeze Cooling
Hot water Anti-freeze Cooling
English German Spanish Russian Italian French Swedish
72
[Dot display table]
Selecting language
Auto off timer Function selection
Check (Error) Test run Self check Colective setting Water temperature
(Initial setting)
Option setting(Heating) Option setting(Cooling) Water circuit check Waiting for response Waiting for setting Not dealt with Maintenance
English German Spanish Russian Italian French Swedish
Heating Heating ECO Hot water Anti-freeze Cooling
73
5. Initial setting by remote controller
(1) Press the button for 3 seconds to activate the initial setting mode.
(2) [DISPLAY ]
WATER TEMP HEATING
* No.1 or No.2 is indicated in display .
Press button to switch to the next parameter setting.
<Target temperature in heating mode>
WATER TEMP HEATING
INITIAL SETTING
WATER TEMP HEATING ECO
WATER TEMP HEATING ECO
WATER TEMP HOT WATER
WATER TEMP ANTI-FREEZE
No. 1* No. 2*
MODE
Set target flow water temperature in Heating mode with [TEMP] buttons ( and ) .
WATER TEMP COOLING
˚C
TEMP.
TEMP OFFSET HEATING
˚C
ON/OFF
TEMP OFFSET COOLING
 
 
<Parameters for Heating ECO mode>
Set following 4 parameters in HEATING ECO mode with [TEMP] buttons ( and ) . HEATING ECO mode= Weather compensation mode Target flow water temperature varies according to the outdoor temperature.
WATER TEMP HEATING ECO
WATER TEMP HEATING ECO
Press button to switch alternately. (The blinking figure can be changed.)
No.1 Display  shows target flow temperature. Display  shows outdoor temperature.
No. 2 Display shows target flow temperature. Display  shows outdoor temperature.
ON/OFF
FLOW TEMP.
No.1
No.2
No.1
A
No.2
Note:
· Heating ECO mode sets the set temperature depending on the outdoor temperature.
· The parameters except the above 4 parameters cannot be set. (The characteristic is linear between the point A and B.)
· When the “EXTERNAL INPUT(analog signal)” is used, the “HEATING ECO MODE” is invalid.
<Target temperature in HOT WATER mode>
WATER TEMP HOT WATER
Set target flow water temperature in HOT WATER mode with [TEMP] buttons ( and ) .
<Target temperature in ANTI-FREEZE mode>
WATER TEMP ANTI-FREEZE
Set target flow water temperature in ANTI-FREEZE mode with [TEMP] buttons ( and ) .
B
OUTDOOR TEMP.
<Target temperature in COOLING mode>
WATER TEMP COOLING
Set target flow water temperature in COOLING mode with [TEMP] buttons ( and ) .
74
<Temperature OFFSET setting>
This setting is to adjust the difference between the actual fl ow water temperature at the refrigerant-water heat exchanger outlet and the temperature sensed by TH1 which tends to be lower due to heat leakage from water piping.
HEATING mode
T(a)=ActualFlowwater
temp.(outlet side)
Outdoor unit
ӠT(h)
=T(a)-T(s)
FTC
TH1
T(s)=sensed flow water temp.
FTC
TH1
T(s)=sensed flow water temp.
Ӡ
Ӡ
*1 Refrigerant-water HEX
COOLING mode
T(a)=ActualFlowwater
temp.(outlet side)
Outdoor unit
TEMP OFFSET HEATING
TEMP OFFSET COOLING
*1
Water piping
ӠT(c)
=T(s)-T(a)
*1
Water piping
Set OFFSET temperature T(h) in HEATING mode with [TEMP] buttons ( and ) .
Set OFFSET temperature T(c) in COOLING mode with [TEMP] buttons ( and ) .
In order to let the PCB memorize the changed parameters Make sure to press the button before quitting the INITIAL SETTING mode. If you press the button in INITIAL SETTING mode before pressing the button ,
ON/OFF
CIR.WATER
CIR.WATER
you can exit from this mode without any change.
75
6. Defi nition of analog signal by remote controller (Required only for ANALOG TEMP. system)
Set following 2 parameters to assign the target temperature value to analog signal figures.
AD INPUT HEATING
AD INPUT HEATING
AD INPUT COOLING
INITIAL SETTING
Y ]
MODE
ON/OFF
AD INPUT COOLING
FLOW TEMP.
[TEMP] buttons ( and ) .
No.2
No.1
4mA --------------------------20m 1V------------------------------5V 0V-----------------------------10V
(1) Press button for 3 seconds to activate this setting mode.
(2) [DISPLA
Press button to switch to the next parameter setting.
Set flow temp. for No.1 and No.2 with
Set flow temp. for No.1 and No.2 with [TEMP] buttons ( and ) .
Press buttonto switch alternately. (The blinking figure can be changed.)
In order to let FTC memorize set parameters
ON/OFF
CIR.WATER
CIR.WATER
Make sure to press button before exit from ANALOG SIGNAL ADJUST mode. If you press button  before pressing button  in ADJUST mode, you can exit from this mode without making any change.
ANALOG SIGNAL
 
 
TEMP.
˚C
˚C
ON/OFF
 
76
7. Troubleshooting
A fl owing water sound or occasional hissing sound is heard.
Water does not heat or cool well.
Water or vapor is emitted from the outdoor unit.
The operation indicator does not appear in the remote con­troller display.
” appears in the remote controller display.
When restarting the outdoor unit soon after stopping it, it does not operate even though the ON/OFF button is pressed.
FTC operates without the ON/OFF button being pressed.
FTC stops without the ON/OFF button being pressed.
Remote controller timer operation cannot be set.
“PLEASE WAIT” appears in the remote controller display.
An error code appears in the remote controller display.
Thease sounds can be heard when refrigerant is flowing in the
indoor unit, refrigerant pipe or when the refrigerant is chaging.
Clean the fi lter of water piping. (Flow is reduced when the fi lter is dirty or
clogged.)
Check the temperature adjustment and adjust the set temperature.
Make sure that there is plenty of space around the outdoor unit.
During cooling mode, water may form and drip from the cool pipes and
joints.
During heating mode, water may form and drip from the heat exchanger
of outdoor unit.
During defrosting mode, water on the heat exchanger of outdoor unit
evaporates and water vapor may be emitted.
Turn on the power switch. “
During external signal control, “ ” appears in the remote controller dis-
play and FTC operation cannot be started or stopped using the remote controller.
Wait approximately 3 minutes. (Operation has stopped to protect the out-
door unit.)
Is the on timer set?
Press the ON/OFF button to stop operation.
Is the FTC connected to a external signal?
Consult the concerned people who control the FTC.
Does “
Consult the concerned people who control the FTC.
Has the auto recovery feature from power failures been set?
Press the ON/OFF button to stop operation.
Is the off timer set?
Press the ON/OFF button to restart operation.
Is the air conditioner connected to a central remote controller?
Consult the concerned people who control the FTC.
Does “
Consult the concerned people who control the FTC.
Are timer settings invalid?
If the timer can be set,
remote controller display.
The initial settings are being performed. Wait approximately 3 minutes.
If the remote controller is not only for FTC, change it.
The protection devices have operated to protect the FTC and outdoor unit.
Do not attempt to repair this equipment by yourself.
Turn off the power switch immediately and consult your dealer. Be sure to
provide the dealer with the model name and information that appeared in the remote controller display.
” appear in the remote controller display?
” appear in the remote controller display?
” will appear in the remote controller display.
WEEKLY
,
SIMPLE
, or
AUTO OFF
appears in the
If the unit cannot be operated properly after test run, refer to the following table to find the cause.
Wired remote controller LED 1, 2 (PCB in outdoor unit)
PLEASE WAIT
PLEASE WAIT Error code
Display messages do not appear even when operation switch is turned ON (operation lamp does not light up).
Symptom
For about 2 minutes after power-on
Subsequent to about 2 minutes after power-on
After LED 1, 2 are lighted, LED 2 is
turned off, then only LED 1 is lighted.
(Correct operation)
Only LED 1 is lighted.
Only LED 1 is lighted.
LED 1, 2 blink.
LED 1 blinks twice, LED 2 blinks once.
For about 2 minutes following power-on,op­eratio n of the remote controller is not possible due to system start-up. (Correct operation)
•Connector for the outdoor unit’s protection device is not connected.
•Reverse or open phase wiring for the outdoor unit’s power terminal block (L1, L2, L3)
•Incorrect wiring betwe e n F T C and outdoor (incorrect polarity of S1, S2, S3)
•Remote controller wire short
Cause
Note: Operation is not possible for about 30 seconds after cancellation of function selection. (Correct operation)
For description of each LED (LED1, 2, 3) provided on the FTC, refer to the following table.
LED1 (power for microcomputer) Indicates whether control power is supplied. Make sure that this LED is
LED2 (power for remote controller) Indicates whether power is supplied to the remote controller.
LED3 (communication between FTC and outdoor units) Indicates state of communication between the FTC and outdoor
always lit.
This LED lights only in the case of the FTC which is connected to the outdoor unit refrigerant addresses “0”.
units. Make sure that this LED is always blinking.
77
Error code indication
You can check an error code on both 1 and 2.
LCD display on remote controller
1
2-digit LED indicator on outdoor unit PCB
2
(For SPLIT type outdoor unit, this LED indicator is optional parts.PAC-SK52ST)
[1]
SELF-DIAGNOSIS ACTION TABLE
Error Code Abnormal point and detection method Cause Countermeasure
P1
Actual fl ow water temperature thermis- tor (TH1)
The unit is in 3-minute resume
1
prevention mode if short/open of thermistor is detected. Abnormal if the
unit does not reset normally after 3 min­utes. (The unit returns to normal opera­tion, if it has been reset normally.)
Constantly detected during cooling,
2
drying, and heating operation. Short: -90: or more Open: -40: or less
1
characteristics
2
3
failure of thermistor wiring
4
* The 2-digit LED indicator on outdoor unit PCB can display indoor side error as well.
Defective thermistor Contact failure of TB61 No.1-2
on PCB of FTC
Breaking of wire or contact Defective PCB of FTC
Check resistance value of thermistor.
1–3
0: 15.0k 10: 9.6k 20: 6.3k 30: 4.3k
40: 3.0k If you put force on (draw or bend) the lead wire with measuring resistance value of thermis­tor, breaking of wire or contact failure can be detected.
Check contact failure of TB61 No.1-2 on
2
PCB of FTC. Refer to 8. Turn the power on again and check restart after inserting connector again.
Check actual fl ow water temperature display
4
on remote controller.
Replace PCB of FTC if there is abnormal dif-
ference with actual fl ow water temperature.
Turn the power off, and on again to operate after check.
" " " " "
P2
P6
Pipe temperature thermistor/Liquid (TH2)
The unit is in 3-minute resume
1
prevention mode if short/open of thermistor is detected. Abnormal if the
unit does not reset normally after 3 min­utes. (The unit returns to normal opera­tion, if it has been reset normally.)
Constantly detected during cooling,
2
drying, and heating (except defrosting)
operation Short: 90: or more Open: -40: or less
Freezing/overheating protection is work­ing
Freezing protection (Cooling mode)
1
The unit is in 6-minute resume preven-
tion mode if pipe temperature stays
under -15: for 3 minutes, 3 minutes
after the compressor started. Abnormal if
it stays under -15: for 3 minutes again
within 16 minutes after 6-minute resume
prevention mode.
Overheating protection (Heating mode)
2
The units is in 6 minute resume
prevention mode if pipe temperature is
detected as over 70: after the compres-
sor started. Abnormal if the temperature
of over 70: is detected again within 30
minutes after 6 minute resume preven-
tion mode.
Defective thermistor
1
characteristics
Contact failure of TB61 No.3-4
2
on PCB of FTC
Breaking of wire or contact
3
failure of thermistor wiring
Defective refrigerant circuit is
4
causing thermistor temperature
:
or more or -40: or
of 90 less.
Defective PCB of FTC
5
(Cooling mode)
Short cycle of air path
1
Low-load (low temperature)
2
operation out of the tolerance range
Defective outdoor fan control
3
Overcharge of refrigerant
4
Defective refrigerant circuit
5
(clogs)
(Heating mode)
Short cycle of air path
1
Over-load (high temperature)
2
operation out of the tolerance range
Defective outdoor fan control
3
Overcharge of refrigerant
4
Defective refrigerant circuit
5
(clogs)
Bypass circuit of outdoor unit is
6
defective.
Check resistance value of thermistor.
1–3
For characteristics, refer to (P1) above.
Check contact failure of TB61 No.3-4 on
2
PCB of FTC. Refer to 8. Turn the power on and check restart after inserting connector again.
Check pipe <liquid> temperature with remote
4
controller in test run mode. If pipe <liquid> temperature is extremely low (in cooling mode) or high (in heating mode), refrigerant circuit may have defective.
Check pipe <liquid> temperature with remote
5
controller in test run mode. If there is ex­tremely difference with actual pipe <liquid> temperature, replace PCB of FTC.
Turn the power off, and on again to operate after check.
(Cooling mode)
Remove shields.
1
Check outdoor fan motor.
3
Check operating condition of refrigerant
45
circuit.
(Heating mode)
Remove shields.
1
Check outdoor fan motor.
3
Check operating condition of refrigerant
4~6
circuit.
78
Error Code Abnormal point and detection method Cause Countermeasure
E0
or
E4
Remote controller transmission error (E0)/signal receiving error (E4)
Abnormal if main or sub remote con-
1
troller cannot receive any transmission normally from FTC of refrigerant address “0” for 3 minutes.
(Error code: E0)
Abnormal if sub-remote controller could
2
not receive any signal for 2 minutes. (Er­ror code: E0)
Abnormal if FTC can not receive any
1
data normally from remote controller board or from other Interface/Flow temp. controller board for 3 minutes. (Error code: E4)
FTC cannot receive any signal from
2
remote controller for 2 minutes. (Error code: E4)
Contact failure at transmission
1
wire of remote controller
All remote controllers are set
2
as “sub” remote controller. In this case, E0 is displayed on remote controller, and E4 is displayed at LED (LED1, LED2) on the outdoor controller circuit board.
Miswiring of remote controller
3
Defective transmitting receiving
4
circuit of remote controller
Noise has entered into the
5
transmission wire of remote controller.
Check disconnection or looseness of FTC or
1
transmission wire of remote controller.
Set one of the remote controllers “main”, If
2
there is no problem with the action above.
Check wiring of remote controller.
3
• Total wiring length: max. 500 m (Do not use cablex 3 or more.)
• The number of connecting remote control­ler: max. 2 units
When it is not the above-mentioned problem of
1~3
Diagnose remote controllers.
4
a) When “RC OK” is displayed, remote con-
trollers have no problem.
Turn the power off, and on again to check. If abnormality generates again, replace PCB of FTC.
b) When “RC NG” is displayed, replace
remote controller.
c) When “RC E3” or “ERC 00-66” is dis-
played, noise may be causing abnormal­ity.
E1
or
E2
E3
or
E5
Remote controller control board
Abnormal if data cannot be read nor-
1
mally from the nonvolatile memory of the remote controller control board.
(Error code: E1)
Abnormal if the clock function of remote
2
controller cannot be operated normally.
(Error code: E2)
Remote controller transmission error (E3)/signal receiving error (E5)
Abnormal if remote controller could not
1
nd blank of transmission path for 6 seconds and could not transmit.
(Error code: E3)
When remote controller receives the
2
transmitted data same time and com­pares these data. Abnormal if the data is judged to be different for 30 continuous times. (Error code: E3)
Abnormal if FTC could not fi nd blank of
1
transmission path. (Error code: E5)
When FTC receives the transmitted data
2
same time and compares these data. Ab­normal if the data is judged to be differ­ent for 30 continuous times. (Error code: E5)
Defective remote controller
1
2 remote controllers are set as
1
“main.”
(
In case of 2 remote controllers
Defective transmitting receiving
2
circuit of remote controller
Defective transmitting receiving
3
circuit of FTC
Noise has entered into trans-
4
mission wire of remote control­ler.
Replace remote controller.
1
Set a remote controller to main, and the
1
other to sub.
)
Diagnose remote controller.
2~4
a) When “RC OK” is displayed, remote con-
trollers have no problem. Turn the power off, and on again to check. When becoming abnormal again, replace
indoor controller board. b) When “RC NG” is displayed, replace
remote controller. c) When “RC E3” or “ERC 00-66” is dis-
played, noise may be causing abnormal-
ity.
E6
FTC/outdoor unit communication error (Signal receiving error)
Abnormal if FTC cannot receive any
1
signal normally for 6 minutes after turning the power on.
Abnormal if FTC cannot receive any
2
signal normally for 3 minutes.
Contact failure, short circuit or,
1
miswiring (converse wiring) of FTC/outdoor unit connecting wire
Defective transmitting receiving
2
circuit of FTC
Defective transmitting receiving
3
circuit of FTC
Noise has entered into FTC/
4
outdoor unit connecting wire.
79
* Check LED display on the outdoor control
circuit board. (Connect A-control service tool, PAC-SK52ST.)
Check disconnection or looseness of FTC/
1
outdoor unit connecting wire of FTC or out­door unit.
Turn the power off, and on again to
2~4
check. If abnormality generates again, replace FTC or outdoor controller circuit board.
Error Code Abnormal point and detection method Judgment and actionCase
E8
FTC/outdoor unit communication error (Signal receiving error) (Outdoor unit)
(1) Abnormal if outdoor controller circuit
board could not receive anything
normally for 3 minutes.
Contact failure of FTC/outdoor
1
unit connecting wire
Defective communication circuit
2
of outdoor controller circuit board
Defective communication circuit
3
of FTC
Noise has entered into FTC/
4
outdoor unit connecting wire.
Check disconnection or looseness of FTC/
1
outdoor unit connecting wire of FTC or out­door unit.
Turn the power off, and on again to
2~4
check. Replace PCB of FTC or outdoor controller circuit board if abnormality is displayed again.
E9
EF
Ed
FTC/outdoor unit communication error (Transmitting error) (Outdoor unit)
(1) Abnormal if “0” receiving is detected
30 times continuously though outdoor controller circuit board has transmitted “1”.
(2) Abnormal if outdoor controller circuit
board could not fi nd blank of transmis- sion path for 3 minutes.
Non defi ned error code
This code is displayed when non defi ned error code is received.
Serial communication error
Abnormal if serial communication between outdoor controller circuit board and outdoor power circuit board is defective.
FTC/outdoor unit connecting
1
wire has contact failure.
Defective communication circuit
2
of outdoor controller circuit board
Noise has entered power sup-
3
ply.
Noise has entered FTC/outdoor
4
unit connecting wire.
Noise has entered transmission
1
wire of remote controller.
Noise has entered Interface
2
unit/Flow temp. controller­outdoor unit connecting wire.
Wire disconnection or contact
1
failure of connector CN2 be-
tween the outdoor controller circuit board and the outdoor power circuit board
Wire disconnection or contact
2
failure of connector CN4 be-
tween the outdoor controller circuit board and the outdoor power circuit board
Defective communication circuit
3
of outdoor power circuit board
Defective communication circuit
4
of outdoor controller circuit board for outdoor power circuit board
Check disconnection or looseness of FTC/
1
outdoor unit connecting wire.
Turn the power off, and on again to
2~4
check. Replace outdoor controller circuit board if abnormality is displayed again.
Turn the power off, and on again to check.
12
Replace Interface/Flow temp. controller
board or outdoor controller circuit board if abnormality is displayed again.
Check connection of each connector CN2
12
and CN4 between the outdoor controller circuit board and the outdoor power circuit board.
Replace outdoor power circuit board.
3
Replace outdoor controller circuit board.
4
80
[2]
HOW TO "MONITOR THE OPERATION DATA"
• Turn on the [Monitoring the operation data]
(3)
Example) Request code "004"
Discharge temperature 69 Refrigerant address "00"
(7) (5)
(1)
(4)
(1)Press the (2)Press the
Note)
Operating the service inspection monitor
- - - ] appears on the screen (at
[
(The display (at (3)Press the [TEMP] buttons (
[Screen]
(4)Press the [CLOCK] buttons ( and ) to set the desired request code No. (5)Press the button to perform data request.
(The requested data will be displayed at Data collected during operation of the remote controller will be displayed.
The collected data such as temperature data will not be updated automatically even if the data changes. To display the updated data, carry out step (4) again.
TEST
CHECK
It is not possible to switch to [Maintenance monitor] during data request in maintenance mode (i.e., while "
since no buttons are operative.
PAR-W21MAA
button for 3 seconds so that [ Maintenance mode] appears on the screen (at ).
button for 3 seconds to switch to [Maintenance monitor].
) when [Maintenance monitor] is activated.
) now allows you to set a request code No.)
and ) to select the desired refrigerant address.
in the same way as in maintenance mode.)
(2)(6)
A: Maintenance mode B: Refrigerant address C: Data display area D: Request code display area
- - - -"
is blinking)
Canceling the Monitoring the operation data
(6)While [Maintenance monitor] is displayed, press the (7)To return to normal mode, press the
ON/OFF
CHECK
button.
81
button for 3 seconds to return to maintenance mode.
[3]
Request code list
* Certain FTC/outdoor combinations do not have the request code function; therefore, no request codes are displayed.
Request content
Request code
Operation state
0
Compressor-Operating current (rms)
1
Compressor-Accumulated operating time
2
Compressor-Number of operation times
3
Discharge temperature (TH4)
4
Outdoor unit - Liquid pipe 1 temperature (TH3)
5
Outdoor unit - Liquid pipe 2 temperature
6
Outdoor unit-2-phase pipe temperature (TH6)
7 8
Outdoor unit-Suction pipe temperature (TH32) Outdoor unit-Outside air temperature (TH7)
9
Outdoor unit-Heatsink temperature (TH8)
10 11
Discharge superheat (SHd)
12
Sub-cool (SC)
13 14 15
Compressor-Operating frequency
16
Compressor-Target operating frequency
17
Outdoor unit-Fan output step
18
Outdoor unit-Fan 1 speed
19
(Only for air conditioners with DC fan motor) Outdoor unit-Fan 2 speed
20
(Only for air conditioners with DC fan motor)
21
LEV (A) opening
22
LEV (B) opening
23 24
LEV (C) opening Primary current
25
DC bus voltage
26 27 28
Number of connected FTC units
29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47
Thermostat ON operating time
48
Test run elapsed time
49
Description
(Display range)
Refer to Detail Contents in Request Code. 0 – 50 0 – 9999 0 – 9999 3 – 217
-40 – 90
-40 – 90
-39 – 88
-39 – 88
-39 – 88
-40 – 200
0 – 255 0 – 130
0– 255 0– 255 0– 10
0 – 9999
0 – 9999
0– 500 0– 500
0– 500 0– 50
180 – 370
0– 4
0 – 999 0 – 120
Unit Remarks
– A
10 hours
100 times
˚C ˚C ˚C ˚C ˚C ˚C ˚C
˚C ˚C
Hz Hz
Step
rpm
rpm
Pulses Pulses
Pulses
Units
Minutes Minutes
"0" is displayed if the air conditioner is a single-fan type.
A V
Not possible to activate maintenance mode during the test run.
82
Request content
Request code
FTC unit-Control state
50
Outdoor unit-Control state
51
Compressor-Frequency control state
52
Outdoor unit-Fan control state
53
Actuator output state
54
Error content (U9)
55 56 57 58 59
Signal transmission demand capacity
60
Contact demand capacity
61
External input state (silent mode, etc.)
62 63 64 65 66 67 68 69
Outdoor unit-Capacity setting display
70
Outdoor unit-Setting information
71 72
Outdoor unit-SW1 setting information
73
Outdoor unit-SW2 setting information
74 75
Outdoor unit-SW4 setting information
76
Outdoor unit-SW5 setting information
77
Outdoor unit-SW6 setting information
78
Outdoor unit-SW7 setting information
79
Outdoor unit-SW8 setting information
80
Outdoor unit-SW9 setting information
81
Outdoor unit-SW10 setting information
82 83
M-NET adapter connection (presence/absence)
84 85
86 87 88
89
Display of execution of replace/wash operation Outdoor unit-Microcomputer version information
90
Outdoor unit-Microcomputer version information (sub No.)
91
92 93 94 95 96 97 98 99
Outdoor unit - Error postponement history 1 (latest)
100
Outdoor unit - Error postponement history 2 (previous)
101
Outdoor unit - Error postponement history 3 (last but one)
102
Description
(Display range)
Refer to Detail Contents in Request Code. Refer to Detail Contents in Request Code.
Refer to Detail Contents in Request Code. Refer to Detail Contents in Request Code. Refer to Detail Contents in Request Code. Refer to Detail Contents in Request Code.
0 – 255
Refer to Detail Contents in Request Code. Refer to Detail Contents in Request Code.
Refer to Detail Contents in Request Code. Refer to Detail Contents in Request Code.
Refer to Detail Contents in Request Code. Refer to Detail Contents in Request Code.
Refer to Detail Contents in Request Code. Refer to Detail Contents in Request Code.
Refer to Detail Contents in Request Code. Refer to Detail Contents in Request Code.
Refer to Detail Contents in Request Code. Refer to Detail Contents in Request Code. Refer to Detail Contents in Request Code.
"0000": Not connected "0001": Connected
"0000": Not washed "0001": Washed
Examples) Ver 5.01
"0501" Auxiliary information (displayed after version information) Examples) Ver 5.01 A000
Displays postponement code. (" - - " is displayed if no postponement code is present) Displays postponement code. (" - - " is displayed if no postponement code is present) Displays postponement code. (" - - " is displayed if no postponement code is present)
"A000"
Code
Code
Code
Unit Remarks
– – – – – –
% – –
– –
– –
– – – – – – –
Ver
83
Request content
Request code
Error history 1 (latest)
103
Error history 2 (second to last)
104
Error history 3 (third to last)
105
Abnormal thermistor display
106
(TH3/TH6/TH7/TH8)
Operation mode at time of error
107
Compressor-Operating current at time of error
108
Compressor-Accumulated operating time at time of error
109
Compressor-Number of operation times at time of error
110
Discharge temperature at time of error
111
Outdoor unit - Liquid pipe 1 temperature (TH3) at time of error
112
Outdoor unit - Liquid pipe 2 temperature at time of error
113
Outdoor unit-2-phase pipe temperature (TH6) at time of error
114 115
Outdoor unit-Outside air temperature (TH7) at time of error
116
Outdoor unit-Heatsink temperature (TH8) at time of error
117
Discharge superheat (SHd) at time of error
118
Sub-cool (SC) at time of error
119
Compressor-Operating frequency at time of error
120
Outdoor unit at time of error
121
• Fan output step Outdoor unit at time of error
122
• Fan 1 speed (Only for air conditioners with DC fan) Outdoor unit at time of error
123
• Fan 2 speed (Only for air conditioners with DC fan)
124
LEV (A) opening at time of error
125
LEV (B) opening at time of error
126 127 128 129
Thermostat ON time until operation stops due to error
130 131 132
FTC-Liquid pipe temperature at time of error
133
FTC at time of error
134
Actual flow water temperature <Thermostat judge temperature>
135 136 137 138 139 140
~ 146 147 148 149
FTC-Actual flow water temperature
150
FTC-Liquid pipe temperature
151 152
~ 767
Description
(Display range)
Displays error history. (" - - " is displayed if no history is present.) Displays error history. (" - - " is displayed if no history is present.) Displays error history. (" - - " is displayed if no history is present.)
3
: TH3 6 : TH6 7 : TH7 8 : TH8 0 : No thermistor error
Displayed in the same way as request code "0". 0– 50 0 – 9999 0 – 9999 3– 217
-40 – 90
-40 – 90
-39 – 88
-39 – 88
-40 – 200 0– 255 0– 130 0– 255
0– 10
0 – 9999
0 – 9999
0– 500 0– 500
0 – 999
-39 – 88
-39 – 88
-39 – 88
-39 – 88
Unit Remarks
Code Code Code
Sensor
number
A
10 hours
100 times
˚C ˚C ˚C ˚C
˚C ˚C ˚C ˚C
Hz
Step
rpm
rpm
Pulses Pulses
Minutes
˚C
˚C
˚C ˚C
"0" is displayed if the air conditioner is a single-
fan type.
84
Detail Contents in Request Code
Example) Request code "004"
Discharge temperature 69 Refrigerant address "00"
A: Maintenance mode display B: Refrigerant address
C: Data display area D: Request code display area
[Operation state] (Request code ":0")
Data display
C4
Relay output state Operation mode
Operation mode
Display Operation mode
0STOP FAN C COOL • DRY HHEAT
d DEFROST
[FTC unit – Control state] (Request code :"50 ")
Data display
Unit No. 4 state Unit No. 3 state
Unit No. 2 state Unit No. 1 state
Relay output state
Display
0 1 2 3 4 5 6 7 8 A
Display State
0 Normal 1 Preparing for heat operation 2– 3– 4 Heater is ON. 5 Anti-freeze protection is ON. 6 Overheat protection is ON. 7 Requesting compressor to turn OFF F There are no corresponding units.
Power currently
supplied to compressor
ON ON
Compressor 4-way valve Solenoid valve
ON ON ON ON
ON ON
ON ON
ON
ON
ON
ON
ON
[Outdoor unit – Control state] (Request code ":51")
Data display State 0 0 0 0 Normal 0 0 0 1 Preparing for heat operation 0 0 0 2 Defrost
[Compressor – Frequency control state] (Request code ":52")
Data display
00
Frequency control state Frequency control state
Frequency control state
Display Current limit control
0 No current limit 1 Primary current limit control is ON. 2 Secondary current limit control is ON.
Frequency control state
Display
Discharge temperature
0 1 Controlled 2 Controlled 3 Controlled Controlled 4 Controlled 5 Controlled Controlled 6 Controlled Controlled 7 Controlled Controlled Controlled 8 Controlled 9 Controlled Controlled
A Controlled Controlled
b Controlled Controlled Controlled
C Controlled Controlled
d Controlled Controlled Controlled
E Controlled Controlled Controlled
F Controlled Controlled Controlled Controlled
Condensation temperature
overheat prevention
overheat prevention
protection control
Anti-freeze
Heatsink temperature
overheat prevention
85
[Fan control state] (Request code :"53")
Data display
00
Fan step correction value by heatsink temperature overheat prevention control Fan step correction value by cool condensation temperature overheat prevention control
Display Correction value
- (minus) – 1 00 1 2
+1 +2
[Actuator output state] (Request code :"54")
Data display
00
Actuator output state Actuator output state
Actuator output state
Display SV1 4-way valve Compressor
0 1
2 3
4 5
6 7
8 9
A b
C d
E F
ON
ON
ON
ON
ON
ON
ON
ON
ON ON
ON ON
ON ON
ON ON
ON ON
ON ON
ON ON
ON ON
Compressor is
warming up
ON ON
ON ON
ON ON
ON ON
Actuator output state
Display 52C SV2 SS
0 1
2 3 4 5 6 7
ON
ON
ON
ON
ON ON
ON ON
ON ON ON ON
[Error content (U9)] (Request code :"55")
Data display
00
Error content Error content
Error content : Detected
Display
0 1 2 3 4 5 6 7 8 9
A
b
C
d
E
F
Overvoltage Undervoltage L1-phase
error error open error
Power synchronizing
signal error
Error content : Detected
0 1 2 3
Converter Fo
error
PAM error
Display
86
[Contact demand capacity] (Request code "61")
Data display
000
Setting content
[External input state] (Request code "62")
Data display
000
Input state
Setting content
ON
ON
Setting
ON
Display Setting value
0 1 50% 2 75% ON 3 100%
Input state : Input present
Display
0 1 2 3 4 5 6 7 8 9 A b
C
d E F
0%
Contact demand Silent mode Spare 1 Spare 2
input input input input
SW7-1 SW7-2
[Outdoor unit - Capacity setting display] (Request code : "70")
Data display
935 10 50 11 60 14 71 20 100 25 125 28 140 40 200 50 250
Capacity
[Outdoor unit - Setting information] (Request code "71")
Data display
00
Setting information Setting information
Setting information
Display Defrost mode
0 Standard 1 For high humidity
Setting information
Display
0 1 2 3
Single-/ Heat pump/
3-phase
Single-phase
3-phase
cooling only
Heat pump Cooling only Heat pump
Cooling only
87
[Outdoor unit switch setting display (SW1 to SW10, except SW3)] Request codes: 73 to 82
0: Swich OFF 1: Swich ON
SW1, SW2, SW6, SW7
123456 0 0 0 0 0 0 00 00
1 0 0 0 0 0 00 01 0 1 0 0 0 0 00 02 1 1 0 0 0 0 00 03 0 0 1 0 0 0 00 04 1 0 1 0 0 0 00 05 0 1 1 0 0 0 00 06 1 1 1 0 0 0 00 07 0 0 0 1 0 0 00 08 1 0 0 1 0 0 00 09 010100 000A 1 1 0 1 0 0 00 0b 001100 000C 1 0 1 1 0 0 00 0d 011100 000E 111100 000F 0 0 0 0 1 0 00 10 100010 010010 110010 001010 101010 011010 111010 000110 100110 010110 110110 001110 101110 011110 111110 000001 100001 010001 110001 001001 101001 011001 111001 000101 100101 010101 110101 001101 101101 011101 111101 000011 100011 010011 110011 001011 101011 011011 111011 000111 100111 010111 110111 001111 101111 011111 111111
Data display
00 11 00 12 00 13 00 14 00 15 00 16 00 17 00 18 00 19 00 1A 00 1B 00 1C 00 1D 00 1E 00 1F 00 20 00 21 00 22 00 23 00 24 00 25 00 26 00 27 00 28 00 29 00 2A 00 2B 00 2C 00 2D 00 2E 00 2F 00 30 00 31 00 32 00 33 00 34 00 35 00 36 00 37 00 38 00 39 00 3A 00 3B 00 3C 00 3D 00 3E 00 3F
0: Swich OFF 1: Swich ON
SW5
1234
Data display
0000 0000 1000 0001 0100 0002 1 1 0 0 00 03 0010 0004 1010 0005 0110 0006 1 1 1 0 00 07 0001 0008 1001 0009 0101 000A 1 1 0 1 00 0b 0011 000C 1 0 1 1 00 0d 0111 000E 1111 000F
0: Swich OFF 1: Swich ON
SW8
123
Data display
000 0000 100 0001 010 0002 110 0003 001 0004 101 0005 011 0006 111 0007
0: Swich OFF 1: Swich ON
SW4, SW9, SW10
12
Data display
0 0 00 00 1 0 00 01 0 1 00 02 1 1 00 03
88
8. Outlines and dimensions
Unit : mm
TB61 TB62
3-ELECTRIC WIRE INLET
336 313
(11.5)11.5
Ø5
Ø12
TB141TB142
TB6
22
10
2-HOLES
(FOR INSTALLATION)
200
278
2-Ø5 HOLES (FOR INSTALLATION)
69
WIRED REMOTE CONTROLLER
43.5
130
120
19
89
Requirements6
6-1. For functional parts
6-1-1. Thermistor position
Refer to section 4. Interface or 5. Flow temp. controller for detail. (1) I / F : PAC-IF011B-E (cased), PAC-IF010-E (PCB only)
Application Capacity Control Water HEX
Terminal "TH1" target temp.
Terminal "TH2" Pipe temp./Liquid
Terminal "TH5" Pipe temp./2-phase
Air to Water
Air to Air
By external STEP signals
"By external STEP signals"
Packaged Fixed resistor Fixed resistor Open Split Fixed resistor CONNECT Open
Split Fixed resistor CONNECT CONNECT *1
Calculate by I / F Split CONNECT CONNECT CONNECT *1
Fixed resistor value : 4~10kΩ *1. If the outdoor unit is ZUBADAN series, Terminal "TH5" can be opened.
(2) FTC : PAC-IF021B-E (cased), PAC-IF020-E (PCB only)
Application Capacity Control Water HEX
Air to Water
"By external STEP signals"
Packaged
Terminal "TH1" target temp.
CONNECT Open Open
Terminal "TH2" Pipe temp./Liquid
Calculate by I / F Split CONNECT CONNECT Open
PAC-IF011B-E/PAC-IF021B-E (cased) contains 2 thermistors. PAC-IF010B-E/PAC-IF020B-E (PCB only) doesn't contain thermistor.
Please purchase locally optional parts PAC-TH010-E ("Thermistor, 5m × 2pcs " 10set).
PACKAGED type outdoor unit SPLIT type outdoor unit
Water OUTLET side
Outdoor unit
TH1
FTC
TH2: not necessary
Outdoor unit
Refrigerant LIQUID side
Terminal "TH5" Pipe temp./2-phase
Water OUTLET side
FTC
TH1
*1
Packaged type (with a refrigerant-wa
HE
ter
Water piping
nside)
X i
*1 Refrig
TH2
erant-water HEX
SPLIT type
ut refrigerant-water
(witho HEX inside)
6-1-2. Mounting PCB (PCB only, uncased type)
• To comply with the required regulations and directives by your side. e.g) CE marking
• Fire safty : PCB must be enclosed by sheet metal.
• Ambient temperature : 0:~60:
• Do not install it outdoors.
6-2. For application
• Piping material/water fl ow velocity
• To prevent freezing
• Water quality
• Primary / secondary water
Refer to 2-2-2 [6] Notifi cation to design / select HEX (Refrigerant - Water)
Refrigerant piping
TH2
*1
Water piping
*1 Refrigerant-water HEX
90
System example7
1. Air to Water application
(1) Domestic Hot Water + Space heating by radiator
with packaged outdoor unit + FTC
*variable capacity request signals for Heat Pump is calculated by FTC.
1) System outline
* DHW cylinder unit
Immersion heater
* TRV(Thermostatic Radiator Valve)
*Radiator
2) Wiring / Switch setting
PAR-W21MAA
Remote Controller
Forced Comp. OFF
* Time switch
FTC
Packaged O/U
Flow temp. thermistor
Flow temp.thermistor
At site
Flow sensor
HeatingECO
Hot Water
X11
X12
* Flow sensor
(to prevent pipes from freezing)
FTC
1 2 3 4 5 6 7 8 9
10
11 12 13
14
TB142
*pump
*valve
Gas boiler
FTC board
1
TB61
2 3 4 5 6
1 2
1
TB62
2 3 4 5 6
(External Input)
OFF/ON
TB142 TB141
10
12
14
6521438
11
13
9
7
Roo
Room thermostat: installed in the coldest room
existing boiler for backup purpose
181
OFF/ON
X12
DHW
SW3SW2SW1
8
OFF/ONOFF/ON
1
8
SW6
10
6521438
11 13
9
7
(External Output)
X11
SH
12 14
Time switch(AC230V Output)
m
Thermistor
Pump
(ON/OFF)
CNS2
Valve
(ON/OFF)
* locally supplied
21
S1 S2 S3
TB6
N
L
To metal chassis
{
TO OUTDOOR UNIT
SW1
ON
12345678
System select <Basic system>
•ON/OFF, operation mode by external input.
•Set temp. by R/C.
Prohibition of cooling mode OFF: permit
Fixed OFF
SW2
ON
12345678
Set temp. by DIP switch (not in use in this case)
Set temp. range Heating mode. max 60:: O/U is packaged type.
Set temp. by DIP switch OFF: by R/C or Analog signal
TH2(liquid pipe thermistor) connection ON: not connect(packaged O/U)
91
SW3
ON
12345678
Fixed OFF
Fixed: OFF
Logic of forced comp OFF input by external signal(TB142: 5-6) OFF: shortcomp OFF
ON: opencomp OFF
FTC
SW6
ON
12
Analog input setting (not in use in this case)
(2)-1. Space heating by under fl oor heating
with split outdoor unit+HYDROBOX + FTC
*variable capacity request signals for Heat Pump is calculated by FTC.
1) System outline
Split O/U
Refrigerant pipe temp.themistor (Liquid side)
2) Wiring / Switch setting
Flow temp.thermistor
Refrigerant pipe (liquid) temp.thermistor
Analog signal(1-5V)setting temp.input
PAR-W21MAA Remote Controller
(for initial parameter
setting: not always necessary)
Refrigerant pipe (Gas)
Refrigerant pipe (Liquid)
HYDRO BOX (locally supplied)
FTC (PCB)
*
Flow temp. thermistor (outlet side)
1
TB61
2 3 4 5 6
1
TB62
2 3 4 5 6
TB142
(External Input)
6521438
*
1 2
10
11
9
7
*system
controller
*pump
Flow sensor
(to prevent pipes from
freezing)
FTC board
SW6
OFF/ON
12
14
13
* Under Floor Heating
*Valve
Auxiliary heater
* locally supplied
1
8
OFF/ON
SW3SW2SW1
1
8
OFF/ONOFF/ON
CNS2
21
1
8
{
S1 S2 S3
LN
TB6
To metal chassis
TO OUTDOOR UNIT
Set temperature
(user interface)
SW1
ON
12345678
System select <Analog temp. system>
•ON/OFF, operation mode by external input
•Set temp. by external analog input
Prohibition of cooling mode OFF: permit
Fixed OFF
X11
Cooling
System controller
Pump
(ON/OFF)
Set temp. rarge Heating mode. max55:: O/U is split type.
Set temp. by DIP switch OFF: by R/C or Analog signal
TH2(liquid pipe thermistor) connection OFF: nead to connect(split O/U)
X12
Heating
Valve
(ON/OFF)
SW2
ON
12345678
Auxiliary heater (ON/OFF)
Set temp. by DIP switch (not in use in this case)
At site
Flow sensor
Forced Comp. OFF
Cooling mode
Heating mode
SW3
ON
12345678
Fixed OFF
Fixed OFF
Logic of forced comp OFF input by external signal(TB142: 5-6) OFF: shortcomp OFF
ON: opencomp OFF
FTC
92
FTC
1 2 3 4 5 6 7 8 9
X11
10 11
X12
12 13 14
SW6
ON
12
Analog input setting 1:OFF 2:ON→1-5V 1:ON 2:ON→4-20mA 1:OFF 2:OFF→0-10V
TB142
(2)-2. Domestic Hot Water + space heating by under fl oor heating
with split outdoor unit+HYDROBOX + IF
*variable capacity request signals for Heat Pump is calculated by local system controller.
1) System outline
Split O/U
Refrigerant pipe temp.themistor (Liquid side)
2) Wiring / Switch setting
Flow temp.thermistor
Refrigerant pipe (liquid) temp.thermistor
Refrigerant pipe
(Gas)
Refrigerant pipe (Liquid)
PAR-21MAA
Remote Controller
(for servicing purpose
: not always necessary)
HYDRO BOX(locally supplied)
IF (PCB)
*
*Flow temp.
thermistor (outlet side)
1
TB61
2 3 4 5 6
1 2
1
TB62
2 3 4 5 6
TB142
10
6521438
11
9
7
(External Input)
IF board
12 14
13
*system
controller
*pump
*Flow sensor
(to prevent
pipes from freezing)
1
8
SW6
OFF/ON
CNX131CNX231CNX331CNX431CNX531CNX631CNX7
31
(External Output)
*Valve
181
OFF/ON
X413X313X231X1
* Under FloorHeating
*Auxiliary
heater
* locally supplied
SW3SW2SW1
8
OFF/ONOFF/ON
CNS2
21
{
TO OUTDOOR UNIT
X7
S1 S2 S3
L N
TB6
To metal chassis
Step1 X12 Step4 X13 Step7 X14
Auto X15
At site
→ → → →
Forced comp.off
Flow sensor
Cooling/Heating X11
Flow temp.thermistor
SW1
ON
12345678
Fixed OFF
System select OFF/OFF/OFF7steps by remote switch
Fixed operation mode ON/ONdepond on external input
I/F
10 11 12 13 14
TB142
3
13X613
1X513
Defrost
Auxiliary heater (ON/OFF)
SW3
ON
12345678
Fixed OFF
CNX1~X7
IF
Fixed OFF
SW6
ON
12
Analog input setting (not in use in this case)
X14
X13
Pump (ON/OFF)
Fixed OFF
IF
At site
X15
System controller
Error
Valve (ON/OFF)
LED display setting (refer to page34)
1 2 3 4 5 6 7 8 9
X11
Cooling/ Heating
Set temperature (user interface)
SW2
ON
12345678
X11
X12
Capacity Steps
LEV self control: ON (need to set to ON for ATW
application)
Fixed set temp.(not in use in this case)
93
2. Air to Air application
Air-Handling Unit with split outdoor unit + IF
*variable capacity request signals for Heat Pump is calculated by IF.
1) System outline
PAR-21MAA Remote Controller (for user interface)
Split O/U
Refrigerant pipe (Gas)
Refrigerant pipe (Liquid)
Air-Handling Unit (locally supplied)
IF (PCB)
*
*FAN
Return Air
*system
controller
Outlet Air
2) Wiring / Switch setting
Flow temp.thermistor
Refrigerant pipe (liquid) temp.thermistor
Refrigerant pipe (2phase) thermistor
PAR-21MAA
Remote Controller
(for user interface)
Return Air temp. thermistor
1
TB61
2 3 4 5 6
1
TB62
2 3 4 5 6
(External Input)
TB142
6521438
7
Refrigerant pipe temp.themistors (Liquid / 2phase)
IF board
1
SW6
2
OFF/ON
CNX131CNX231CNX331CNX431CNX531CNX631CNX7
10
12
14
11
13
9
At site
31
IF
1
8
(External Output)
X1
13X231
1
8
OFF/ON
X3
13
*Auxiliary
heater
* locally supplied
SW3SW2SW1
1
8
OFF/ONOFF/ON
CNS2
21
{
S1 S2 S3
TB6
LN
To metal chassis
1X513
3
13X613
X7
CNX1~X7
X4
TO OUTDOOR UNIT
SW1
ON
12345678
System select OFF/ON/ONAuto step mode
System controller
SW2
ON
12345678
Fixed OFF
Fixed operation mode OFF/OFFnot fi xed, depend on
Fixed set temp.(not in use in this case)
R/C setting
Error
Operation
Fan
SW3
ON
Fixed OFF
LEV self control OFF need to connect TH5(2phase pipe thermistor) on AHU HEX
LED display setting (refer to page34)
94
Defrost
Auxiliary heater (ON/OFF)
12345678
Fixed OFF
IF
Fixed OFF
SW6
ON
12
Analog input setting (not in use in this case)
95
Air to Water (ATW) Heat pump, Interface (I/F) and Flow temp. controller (FTC) Technical manual
Issued in Jun. 2008 M-P0398 SIZ<MEE> Printed in Japan
HEAD OFFICE: TOKYO BLDG., 2-7-3, MARUNOUCHI, CHIYODA-KU, TOKYO 100-8310, JAPAN
New publication effective Jun. 2008
Specifi cations subject to change without notice
Loading...