Mitsubishi PUHZ-HRP71VHA(2)R1, PUHZ-HRP100VHA(2)R1, PUHZ-HRP100YHA(2)R1, PUHZ-HRP125YHA(2)R1 Service Manual

SPLIT-TYPE, HEAT PUMP AIR CONDITIONERS
SERVICE MANUAL
R410A
Outdoor unit [model names]
PUHZ-HRP71VHA PUHZ-HRP100VHA PUHZ-HRP100YHA PUHZ-HRP125YHA
[Service Ref.]
PUHZ-HRP71VHA PUHZ-HRP100VHA PUHZ-HRP100YHA PUHZ-HRP125YHA
December 2009
No.OCH425
REVISED EDITION-B
Revision:
PUHZ-HRP71/100VHA2R1 and PUHZ-HRP100/125YHA2R1 are added in REVISED EDITION-B.
• Some descriptions have been modified.
PUHZ-HRP71VHA2
PUHZ-HRP100VHA2
PUHZ-HRP100YHA2
PUHZ-HRP125YHA2
PUHZ-HRP71VHA2 PUHZ-HRP71VHA2R1 PUHZ-HRP100VHA2 PUHZ-HRP100VHA2R1 PUHZ-HRP100YHA2 PUHZ-HRP100YHA2R1 PUHZ-HRP125YHA2 PUHZ-HRP125YHA2R1
CONTENTS
1. TECHNICAL CHANGES ·······························2
2. REFERENCE MANUAL ································2
3. SAFETY PRECAUTION ·······························3
4. FEATURES ···················································7
5. SPECIFICATIONS ········································8
6. DATA ·····························································9
7. OUTLINES AND DIMENSIONS··················12
8. WIRING DIAGRAM ····································· 14
9. WIRING SPECIFICATIONS ························20
10. REFRIGERANT SYSTEM DIAGRAM ········25
11. TROUBLESHOOTING ································27
12. FUNCTION SETTING ································· 85
13.
MONITORING THE OPERATION DATA BY THE REMOTE CONTROLLER
14. EASY MAINTENANCE FUNCTION ·········102
15. DISASSEMBLY PROCEDURE ·················107
• Please void OCH425 REVISED EDITION-A.
• This manual describes only service data of the outdoor units.
• RoHS compliant products have <G> mark on the spec name plate.
····92
PUHZ-HRP71VHA PUHZ-HRP100VHA PUHZ-HRP100YHA PUHZ-HRP125YHA
PARTS CATALOG (OCB425)
1
TECHNICAL CHANGES
PUHZ-HRP 71VHA2 PUHZ-HRP100VHA2 PUHZ-HRP100YHA2 PUHZ-HRP125YHA2
• Replace fi lter has been deleted.
• Outdoor controller board (C.B.) has been changed. (S/W version up)
1. DRAIN HOSE HEATER (option: PAC-SE60RA-E) is connectable.
2. The starting temperature of FLASH INJECTION is settable.
PUHZ-HRP 71VHA PUHZ-HRP100VHA
• Pressure sensor (63HS) has been added.
• Compressor (MC) has been changed. ANB33FJCMT
• Thermistor (Discharge / TH4) has been changed.
• Fan motors (MF1,2) have been changed.
• Fan grilles have been changed.
• Electrical parts have been changed. Controller circuit board (C.B.), Power circuit board (P.B.), Noise fi lter circuit board (N.F.) and Active fi lter module (ACTM) (including P.B.)
ANB33FJEMT
PUHZ-HRP 71VHA2R1 PUHZ-HRP100VHA2R1 PUHZ-HRP100YHA2R1 PUHZ-HRP125YHA2R1
PUHZ-HRP 71VHA2 PUHZ-HRP100VHA2
PUHZ-HRP100YHA PUHZ-HRP125YHA
• Pressure sensor (63HS) has been added.
• Compressor (MC) has been changed. ANB33FJBMT
• Thermistor (Discharge / TH4) has been changed.
• Fan motors (MF1,2) have been changed.
• Fan grilles have been changed.
• Controller circuit board (C.B.) has been changed.
2
REFERENCE MANUAL
ANB33FJDMT
PUHZ-HRP100YHA2 PUHZ-HRP125YHA2
2-1. INDOOR UNIT SERVICE MANUAL
Model name Service Ref. PLA-RP35/50/60/71/100/125BA
PLA-RP100/125/140BA2 PLA-RP100BA3 PLA-RP100BA3
PKA-RP60/100KAL PKA-RP60100KAL.TH PKA-RP60/100FAL PKA-RP50FAL2 PKA-RP60/100FAL PKA-RP50FAL2 OC331 PKA-RP50HAL PKA-RP50HAL PEAD-RP50/60/71/100/125/JA(L) PEAD-RP50/60/71/100/125/JA(L)(R1).UK
PEAD-RP50/60/71/125EA PEAD-RP100EA2
PEA-RP60/71/100GA PEA-RP60/71/100GA.UK HWE05060
PLA-RP35/50/60/71/100/125BA PLA-RP100/125/140BA2.UK
PEAD-RP50/60/71/125EA.UK PEAD-RP100EA2.UK
(1)
.UK/BA#2.UK
Service Manual No.
OCH412 OCB412 OCH459
OCB459 OCH452 OCB452
OCH453
OCB453 HWE08130 BWE09220
HWE05210
1-2. TECHNICAL DATABOOK MANUAL NO. OCS11
2
3
SAFETY PRECAUTION
3-1. ALWAYS OBSERVE FOR SAFETY
Before obtaining access to terminal, all supply circuits must be disconnected.
Preparation before the repair service.
• Prepare the proper tools.
• Prepare the proper protectors.
• Provide adequate ventilation.
• After stopping the operation of the air conditioner, turn off the power-supply breaker.
• Discharge the condenser before the work involving the electric parts.
Precautions during the repair service.
• Do not perform the work involving the electric parts with wet hands.
• Do not pour water into the electric parts.
• Do not touch the refrigerant.
• Do not touch the hot or cold areas in the refrigerating cycle.
• When the repair or the inspection of the circuit needs to be done without turning off the power, exercise great caution not to touch the live parts.
3-2. CAUTIONS RELATED TO NEW REFRIGERANT
Cautions for units utilizing refrigerant R410A
Use new refrigerant pipes.
In case of using the existing pipes for R22, be careful with the followings.
· Be sure to perform replacement operation before test run.
· Change flare nut to the one provided with this product. Use a newly flared pipe.
· Avoid using thin pipes.
Make sure that the inside and outside of refrige­rant piping is clean and it has no contamination such as sulfur hazardous for use, oxides, dirt, shaving particles, etc. In addition, use pipes with specified thickness.
Contamination inside refrigerant piping can cause deterio­ration of refrigerant oil etc.
Store the piping to be used indoors during installation, and both ends of the piping sealed until just before brazing. (Leave elbow joints, etc. in their packaging.)
If dirt, dust or moisture enters into refrigerant cycle, that can cause deterioration of refrigerant oil or malfunction of compressor.
Use ester oil, ether oil or alkylbenzene oil (small amount) as the refrigerant oil applied to flares and flange connections.
If large amount of mineral oil enters, that can cause deterio­ration of refrigerant oil etc.
Do not use refrigerant other than R410A.
If other refrigerant (R22 etc.) is used, chlorine in refrige­rant can cause deterioration of refrigerant oil etc.
Use a vacuum pump with a reverse flow check valve.
Vacuum pump oil may flow back into refrigerant cycle and that can cause deterioration of refrigerant oil etc.
Use the following tools specifically designed for use with R410A refrigerant.
The following tools are necessary to use R410A refrigerant.
Gauge manifold Charge hose Gas leak detector
Torque wrench
Handle tools with care.
If dirt, dust or moisture enters into refrigerant cycle, that can cause deterioration of refrigerant oil or malfunction of com­pressor.
Do not use a charging cylinder.
If a charging cylinder is used, the composition of refrigera­nt will change and the efficiency will be lowered.
Tools for R410A
Flare tool Size adjustment gauge Vacuum pump adaptor
Electronic refrigerant charging scale
Charge refrigerant from liquid phase of gas cylinder.
If the refrigerant is charged from gas phase, composition change may occur in refrigerant and the efficiency will be lowered.
3
Ventilate the room if refrigerant leaks during operation. If refrigerant comes into contact with a flame, poisonous gases will be released.
[1] Cautions for service
(1) Perform service after recovering the refrigerant left in unit completely. (2) Do not release refrigerant in the air. (3) After completing service, charge the cycle with specified amount of refrigerant. (4) When performing service, install a filter drier simultaneously.
Be sure to use a filter drier for new refrigerant.
[2] Additional refrigerant charge
When charging directly from cylinder
· Check that cylinder for R410A on the market is syphon type.
· Charging should be performed with the cylinder of syphon stood vertically. (Refrigerant is charged from liquid phase.)
Unit
Gravimeter
[3] Service tools
Use the below service tools as exclusive tools for R410A refrigerant.
No.
Gauge manifold
1
Charge hose
2
Electronic scale
3
Gas leak detector · Use the detector for R134a, R407C or R410A.
4
Adaptor for reverse flow check · Attach on vacuum pump.
5
Refrigerant charge base
6
Refrigerant cylinder
7
Refrigerant recovery equipment
8
Tool name
Specifications
· Only for R410A
· Use the existing fitting
· Use high-tension side pressure of 5.3 MPa·G or over.
· Only for R410A
· Use pressure performance of 5.09 MPa·G or over.
· Only for R410A · Top of cylinder (Pink)
· Cylinder with syphon
specifications
. (UNF1/2)
[4] Refrigerant leakage detection function
This air conditioner can detect refrigerant leakage which may happen during a long period of use. In order to enable the leakage detection, settings are required to let the unit memorize the initial conditions (initial learning). Refer to 14-3. INITIAL SETTINGS FOR REFRIGERANT LEAKAGE DETECTION FUNCTION.
4
3-3. PRECAUTIONS WHEN REUSING EXISTING R22 REFRIGERANT PIPES
(1) Flowchart
Measure the existing pipe thickness and check for damage.
The existing pipe thickness meets speci­fications and the pipes are not damaged.
Check if existing air conditioner can operate.
Existing air conditioner can operate.
Perform cooling operation for about 30 minutes and then do a pump down work.
Disconnect existing air con­ditioner from piping.
Existing pipes can be reused.
Existing air conditioner cannot operate.
Use a refrigerant recovery equipment to recover the refrigerant.
In case existing pipes were used
+
for gas or oil heat pump system, be sure to clean the pipes.
The existing pipe thickness does not meet specifications or the pipes are damaged.
Existing pipes cannot be reused. Use new pipes.
In case the unit is HRP·HA2R1
Connect a new air conditioner.
In case the unit is HRP·HA(2)
Connect a new air conditioner.
Perform replacement operation.
·When performing replacement operation, make sure that DIP SW8-2 on outdoor unit controller board is set to ON. +Chemical compounds containing chlorine left in existing pipes are collected by replace filter.
The air conditioner automatically performs cooling operation through replace filter for about 2 hours.
Connecting a new air conditioner
Flaring work should be done so that flare meets the dimension for R410A. Use flare nut provided with indoor and outdoor unit.
When using gas piping of :19.05mm for HRP100, 125. Make sure that DIP SW8-1 on outdoor unit controller board is set to ON.
This is to keep the pressure on pipes within permissible range.
Use different diameter joint or adjust the piping size by brazing. When using pipes larger than specified size for HRP71.
Make sure that DIP SW8-1 on outdoor unit controller board is set to ON.
This is to prevent oil flow ratio from lowering due to the decrease in flowing refrigerant.
Use different diameter joint or adjust the piping size by brazing. When existing pipes are specified size.
The pipes can be reused referring to TECHNICAL DATA BOOK (OCS11).
Use different diameter joint or adjust the piping size by brazing.
* When using existing pipes for HRP71, 100, 125HA(2). Make sure that DIP SW8-2 on outdoor unit controller board is set to ON and perform replacement operation.
+ Chemical compounds containing chlorine left in existing pipes are collected by replace filter.
The air conditioner automatically performs cooling operation through replace filter for about 2 hours.
HRP·HA(2) HRP·HA2R1
5
(2) Cautions for refrigerant piping work
New refrigerant R410A is adopted for replacement inverter series. Although the refrigerant piping work for R410A is same as for R22, exclusive tools are necessary so as not to mix with different kind of refrigerant. Furthermore as the working pressure of R410A is 1.6 time higher than that of R22, their sizes of flared sections and flare nuts are different.
1 Thickness of pipes
Because the working pressure of R410A is higher compared to R22, be sure to use refrigerant piping with thickness shown below. (Never use pipes of 0.7 mm or below.)
Diagram below: Piping diameter and thickness
Nominal
dimensions(inch)
1/4 3/8 1/2 5/8 3/4
Outside
diameter
6.35
9.52
12.70
15.88
19.05
(mm)
Thickness
R410A R22
0.8
0.8
0.8
1.0
(mm)
0.8
0.8
0.8
1.0
1.0
2 Dimensions of flare cutting and flare nut
The component molecules in HFC refrigerant are smaller compared to conventional refrigerants. In addition to that, R410A is a refrigerant, which has higher risk of leakage because its working pressure is higher than that of other refrig­erants. Therefore, to enhance airtightness and intensity, flare cutting dimension of copper pipe for R410A have been specified separately from the dimensions for other refrigerants as shown below. The dimension B of flare nut for R410A also has partly been changed to increase intensity as shown below. Set copper pipe correctly referring to copper pipe flaring dimensions for R410A below. For 1/2 and 5/8 inch, the dimension B changes. Use torque wrench corresponding to each dimension.
Dimension A
Dimension B
Flare cutting dimensions
Nominal
dimensions(inch)
1/4 3/8 1/2 5/8 3/4
Outside
diameter
6.35
9.52
12.70
15.88
19.05
+0
Dimension A
R410A R22
9.1
13.2
16.6
19.7 —
( )
-0.4
9.0
13.0
16.2
19.4
23.3
Flare nut dimensions
(mm)
dimensions(inch)
Nominal
1/4 3/8 1/2 5/8 3/4
Outside
diameter
6.35
9.52
12.70
15.88
19.05
Dimension B
R410A
17.0
22.0
26.0
29.0
+
-
3 Tools for R410A (The following table shows whether conventional tools can be used or not.)
Tools and materials Use R410A tools Can R22 tools be used? Gauge manifold
Charge hose Gas leak detector
Refrigerant recovery equipment Refrigerant cylinder Applied oil
Safety charger
Charge valve
Vacuum pump
Flare tool
Bender Pipe cutter Welder and nitrogen gas cylinder Refrigerant charging scale
Vacuum gauge or thermis­tor vacuum gauge and vacuum valve Charging cylinder
: Prepare a new tool. (Use the new tool as the tool exclusive for R410A.) : Tools for other refrigerants can be used under certain conditions. : Tools for other refrigerants can be used.
Air purge, refrigerant charge and operation check Gas leak check Refrigerant recovery Refrigerant charge Apply to flared section
Prevent compressor malfunction when charging refrigerant by
spraying liquid refrigerant Prevent gas from blowing out
when detaching charge hose Vacuum drying and air purge
Flaring work of piping
Bend the pipes Cut the pipes Weld the pipes Charge refrigerant Check the degree of vacuum. (Vacuum
valve prevents back flow of oil and refri­gerant to thermistor vacuum gauge) Refrigerant charge
Tool exclusive for R410A Tool exclusive for R410A Tool for HFC refrigerant Tool exclusive for R410A Tool exclusive for R410A Ester oil, ether oil and alky­lbenzene oil (minimum amount) Tool exclusive for R410A
Tool exclusive for R410A
Tools for other refrigerants can be used if equipped with adop­ter for reverse flow check Tools for other refrigerants
can be used by adjusting flaring dimension Tools for other refrigerants can be used Tools for other refrigerants can be used Tools for other refrigerants can be used Tools for other refrigerants can be used Tools for other refrigerants can be used
Tool exclusive for R410A
(Usable if equipped
with adopter for rever­ se flow)
(Usable by adjusting flaring dimension)
(mm)
R22
17.0
22.0
24.0
27.0
36.0
Can R407C tools be used?
Ester oil, ether oil: Alkylbenzene oil: minimum amount
(Usable if equipped
with adopter for rever­ se flow)
(Usable by adjusting
flaring dimension)
+36.0mm for indoor unit of RP100, 125 and 140
6
4
FEATURES
PUHZ-HRP71/100VHA PUHZ-HRP100/125YHA
PUHZ-HRP71/100VHA2 PUHZ-HRP100/125YHA2 PUHZ-HRP71/100VHA2R1 PUHZ-HRP100/125YHA2R1
HIGH HEATING CAPACITY
Industry-first flash injection circuit is equipped, which enables to keep the equal capacity with the rating even when outside tem­perature is -15:.
HIGH SPEED HEATING START UP
The performance of heating start up is improved. Compared to RP type, Zubadan reduced the time for heating start up by about half. After starting operation, the airflow temperature goes up to 45: quickly in 10 minutes. With industry-first shorter and less frequent defrost, defrosting time is cut down by 15% compared to RP type and heating operation can continuously run for maxi­mum 150 minutes.
WIDE HEATING RANGE
The heating range is expanded to -25: compared to RP type which is up to -20
:.
(kW)
Performance
about
15
10
Heating capacity
0
(kW)
Heating capacity(Peak)
+1 Condition Room temp. 20(D.B.) Outdoor temp. 2(D.B.)/1(W.B.) : Unit HRP100, Hi notch
30%UP
-25 -20 -15 -10 -5 0
Outdoor W.B. temp.
HRP100 Outlet air temp.45
15
13kW (Outlet air temp. 45)
10
0
0
About 10min.
5101520
+1
About 50% CUT
Elapsed time(min.)
HRP125
RP125
RP100
RP71
When stabled,
hot air of 50
It doesn’t reach 50
when outside air temp.
is too low,
Stable
About 19 min.
RP type: Outlet air temp. 45
HRP100
HRP71
(Indoor PKA type)
Expanded
-
Up to -25
11~
-20
RP type
-
25
-25 -20 -15 -10 -5 0
HRP type
Outdoor wet-bulb temperature
CHARGELESS SYSTEM PRE-CHARGED REFRIGERANT IS SUPPLIED FOR PIPING LENGTH AT SHIPMENT. Max.30m (PUHZ-HRP71/100/125)
The refrigerant circuit with LEV (Linear Expansion Valve) and power receiver always control the optimal refrigerant level regardless of the length (30 m max. and 5 m min.) of piping. The additional refrigerant charging work during installation often causes problems. It is completely eliminated by chargelss system. This unique system improves the quality and reli­ability of the work done. It also helps to speed up the installation time.
REFRIGERANT LEAKAGE DETECTION FUNCTION
PUHZ-HRP·HA(2) can detect refrigerant leakage which may happen during a long period of use.
7
5
SPECIFICATIONS
Service Ref.
Mode
Power supply (phase, cycle, voltage) Max. current External finish Refrigerant control Compressor Model Motor output Starter type Protection devices
Crankcase heater Heat exchanger Fan Fan(drive) % No. Fan motor output Airflow Defrost method
OUTDOOR UNIT
Noise level
Dimensions
Weight Refrigerant
Charge
Oil (Model) Pipe size O.D.
Connection method
Between the indoor & outdoor unit
REFRIGERANT PIPING
*
/min(CFM
Cooling Heating
W
D H
Liquid
Gas Indoor side Outdoor side Height difference Piping length
mm(in.) mm(in.) mm(in.)
kg(lbs)
kg(lbs)
mm(in.) mm(in.)
kW
W
kW
dB dB
PUHZ-HRP71/100VHA
Single 50Hz, 230V
A
Linear Expansion Valve
ANB33FJCMT ANB33FJEMT
0.086+0.086 0.074+0.074
)
52 53
330+30(13+1-3/16)
L
28
Munsell 3Y 7.8/1.1
Hermetic
2.5
Inverter
HP switch
LP switch
Discharge thermo
Plate fin coil
Propeller fan % 2
100(3,530)
Reverse cycle
950(37-3/8)
1,350(53-1/8)
120(265)
R410A
5.5(12.1)
1.40(FV50S)
9.52(3/8)
15.88(5/8) Flared Flared
Max. 30m Max. 75m
PUHZ-HRP71/100VHA2
PUHZ-HRP71/100VHA2R1
Cooling
HeatingCooling Heating
51 52
Service Ref.
Mode
Power supply (phase, cycle, voltage) Max. current External finish Refrigerant control Compressor Model Motor output Starter type Protection devices
Crankcase heater Heat exchanger Fan Fan(drive) % No. Fan motor output Airflow Defrost method
OUTDOOR UNIT
Noise level
Dimensions
Weight Refrigerant
Charge
Oil (Model) Pipe size O.D.
Connection method
Between the indoor & outdoor unit
REFRIGERANT PIPING
/min(CFM
*
Cooling Heating
W
D H
Liquid
Gas Indoor side Outdoor side Height difference Piping length
mm(in.) mm(in.) mm(in.)
kg(lbs)
kg(lbs)
mm(in.) mm(in.)
kW
W
kW
dB dB
PUHZ-HRP100/125YHA
3phase, 50Hz, 400V
A
Linear Expansion Valve
ANB33FJBMT ANB33FJDMT
0.086+0.086 0.074+0.074
)
52 53
330+30(13+1-3/16)
L
14
Munsell 3Y 7.8/1.1
Hermetic
2.5
Inverter
HP switch
LP switch
Discharge thermo
Plate fin coil
Propeller fan % 2
100(3,530)
Reverse cycle
950(37-3/8)
1,350(53-1/8)
134(295)
R410A
5.5(12.1)
1.40(FV50S)
9.52(3/8)
15.88(5/8) Flared Flared
Max. 30m Max. 75m
PUHZ-HRP100/125YHA2
PUHZ-HRP100/125YHA2R1
Cooling
HeatingCooling Heating
51 52
8
6
DATA
6-1. REFILLING REFRIGERANT CHARGE (R410A : kg)
Service Ref.
10m
20m
30m
PUHZ-HRP71VHA PUHZ-HRP71VHA2
5.1
5.3
PUHZ-HRP71VHA2R1
PUHZ-HRP100VHA(2) PUHZ-HRP100YHA(2) PUHZ-HRP100VHA2R1
5.1
5.3
PUHZ-HRP100YHA2R1
PUHZ-HRP125YHA PUHZ-HRP125YHA2
5.1
5.3
PUHZ-HRP125YHA2R1
6-2. COMPRESSOR TECHNICAL DATA
Service Ref.
Compressor model
Winding
Resistance
( )
U-V
U-W
W-V
PUHZ-HRP71VHA
PUHZ-HRP100VHA
ANB33FJCMT
0.188
0.188
0.188
Piping length (one way)
40m
5.5
5.5
5.5
6.1
6.1
6.1
For pipe longer than 30m, additional charge is required.
(at 20)
PUHZ-HRP100YHA PUHZ-HRP125YHA
ANB33FJBMT
0.302
0.302
0.302
50m
6.7
6.7
6.7
60m
7.3
7.3
7.3
75m
7.9
7.9
7.9
Factory charged
5.5
5.5
5.5
Service Ref.
Compressor model
Winding
Resistance
( )
U-V
U-W
W-V
PUHZ-HRP71VHA2
PUHZ-HRP100VHA2
PUHZ-HRP71VHA2R1
PUHZ-HRP100VHA2R1
ANB33FJEMT
0.188
0.188
0.188
(at 20)
PUHZ-HRP100YHA2
PUHZ-HRP125YHA2 PUHZ-HRP100YHA2R1 PUHZ-HRP125YHA2R1
ANB33FJDMT
0.302
0.302
0.302
9
6-3. NOISE CRITERION CURVES
SPL(dB)
PUHZ-HRP71VHA PUHZ-HRP100VHA PUHZ-HRP100YHA PUHZ-HRP125YHA
90
MODE COOLING HEATING
LINE 52 53
PUHZ-HRP71VHA2(R1) PUHZ-HRP100VHA2(R1) PUHZ-HRP100YHA2(R1)
COOLING
HEATING
MODE
SPL(dB)
51 52
LINE
PUHZ-HRP125YHA2(R1)
90
OCTAVE BAND SOUND PRESSURE LEVEL, dB (0 dB = 0.0002 μbar)
80
70
60
50
40
30
APPROXIMATE
20
THRESHOLD OF HEARING FOR CONTINUOUS NOISE
10
63 125 250 500 1000 2000 4000 8000
BAND CENTER FREQUENCIES, Hz
MICROPHONE
NC-70
NC-60
NC-50
NC-40
NC-30
NC-20
1m
OCTAVE BAND SOUND PRESSURE LEVEL, dB (0 dB = 0.0002 μbar)
80
70
60
50
40
30
APPROXIMATE
20
THRESHOLD OF HEARING FOR CONTINUOUS NOISE
10
63 125 250 500 1000 2000 4000 8000
BAND CENTER FREQUENCIES, Hz
UNIT
NC-70
NC-60
NC-50
NC-40
NC-30
NC-20
1.5m
GROUND
10
6-4. STANDARD OPERATION DATA
Representative matching
Mode
Capacity
To ta lElectrical circuitRefrigerant circuitIndoor side
Input
Indoor unit
Phase , Hz
Voltage
Current
Outdoor unit
Phase , Hz
Voltage
Current
Discharge pressure
Suction pressure
Discharge temperature
Condensing temperature
Suction temperature
Ref. pipe length
Intake air temperature
Discharge air temperature
Intake air temperature
side
Outdoor
SHF
BF
D.B.
W.B.
D.B.
D.B.
W.B.
W
kW
V
A
V
A
MPa
MPa
m
PEAD-RP71JA
Cooling
7,100
2.15
PEAD-RP71JA
1.28 1.17 1.68 1.57 2.40 2.29
PUHZ-HRP71VHA(2)
8.09
2.46
0.92
68
42
14
7.5
27
19
15
35
24
0.85
0.13
Heating
8,000
2.34
1 , 50
230
1 , 50
230
8.94
2.71
0.76
74
43
5
7.5
20
15
38
7
6
PEAD-RP100JA PEAD-RP125JA
Cooling
10,000
3.06
PEAD-RP100JA PEAD-RP125JA
PUHZ-HRP100VHA(2) PUHZ-HRP100YHA(2)
11.10/3.69
2.61
0.97
68
44
13
7.5
27
19
16
35
24
0.89
0.18
1 , 50
230
1/3 , 50
230/400
11.28/3.74
Heating
11,200
3.10
2.22
0.72
65
37
4
7.5
20
15
35
7
6
Cooling
12,500
3.89
1 , 50
230
PUHZ-HRP125YHA(2)
3 , 50
400
4.92
2.79
0.89
72
47
8
7.5
27
19
15
35
24
0.85
0.09
Heating
14,000
3.88
4.91
2.70
0.70
76
44
1
7.5
20
15
39
7
6
The unit of pressure has been changed to MPa based on international SI system. The conversion factor is : 1(MPa)=10.2(kgf/cm2)
11
7
OUTLINES AND DIMENSIONS
PUHZ-HRP71VHA PUHZ-HRP100VHA PUHZ-HRP100YHA PUHZ-HRP125YHA
(19)28 370
2-U Shaped notched holes
(Foundation Bolt M10)
600175 175
Rear Air Intake
Installation Feet
330
417
Unit : mm
A
930
1,079
A
53 56
45
42
66
2-12 x 36 Oval holes
(Foundation Bolt M10)
Air Discharge
30
Terminal connection
950
Earth terminal
322
Left···Power supply wiring
Right···Indoor/Outdoor wiring
Service panel
Handle for moving
1350
+1 447
+1 443
2
1
371 635
Front piping cover
Rear piping cover
71
23
Bottom piping hole
(Knockout)
71
81 219
HRP·VHA
Drain hole
(5-W33)
14514522030 145
HRP·YHA
Side Air Intake
Piping and wiring connections
can be made from 4 directions:
front, right, rear and below.
4 PIPING-WIRING DIRECTIONS
FOUNDATION
30
Over 150mm
Over 10mm
500
Over
10
Over
Over 10mm
Less than
500
Over
Service space
r 1000mm
Ove
Please secure the unit firmly
with 4 foundation (M10) bolts.
3 FOUNDATION BOLTS
Dimensions of space needed
for service access are
2 SERVICE SPACE
The diagram below shows a
basic example.
1 FREE SPACE (Around the unit)
<Foundation bolt height>
(Bolts and washers must be
purchased locally.)
150
Over
shown in the below diagram.
FREE
Explanation of particular details is
given in the installation manuals etc.
Handle for moving
Side Air Intake
Rear Air Intake
Handle for moving
Handle for moving
Handle for moving
···Refrigerant GAS pipe connection (FLARE)W15.88(5/8 inch)
···Refrigerant LIQUID pipe connection (FLARE)W 9.52(3/8 inch)
Example of Notes
+1 ···Indication of STOP VALVE connection location.
27Knockout)
W
Power supply wiring hole
(2-
Rear trunking hole
(Knockout)
92
W
45 40
Right trunking hole
(Knockout)
27Knockout)
W
Power supply wiring hole
(2-
Air intake
Right piping hole
(Knockout)
27Knockout)
W
Power supply wiring hole
(2-
Piping Knockout Hole Details
92
W
75 40
4540
92
W
Front trunking hole
(Knockout)
Rear piping hole
(Knockout)
92
65
27 55
73 63
23
92
19 55
73 63
27 92
23
73 63
23
27 55
65
92
Front piping hole
(Knockout)
12
PUHZ-HRP71VHA2 PUHZ-HRP100VHA2 PUHZ-HRP100YHA2 PUHZ-HRP125YHA2 PUHZ-HRP71VHA2R1 PUHZ-HRP100VHA2R1 PUHZ-HRP100YHA2R1 PUHZ-HRP125YHA2R1
417
(19)
45
175
(Foundation Bolt M10)
2-U Shaped notched holes
28 370 53 56
42
66
2-12 x 36 Oval holes
(Foundation Bolt M10)
Terminal connection
Left ····Power supply wiring
Right··· Indoor/Outdoor wiring
Service panel
A
2
1
Handle for moving
+1 447
+1 443
Unit : mm
A
930
1,079
HRP·YHA2
Front piping cover
Rear piping cover
Bottom piping hole
(Knockout)
71
71
HRP·VHA2
Drain hole
(5- 33)
600175
Rear Air Intake
Installation Feet
330
Side Air Intake
Piping and wiring connections
front, right, rear and below.
can be made from 4 directions:
4 PIPING-WIRING DIRECTIONS
(Bolts and washers must be
shown in the below diagram.
purchased locally.)
150
Over
FREE
<Foundation bolt height>
Over
Over 150mm
Please secure the unit firmly
with 4 foundation (M10) bolts.
3 FOUNDATION BOLTS
Dimensions of space needed
for service access are
2 SERVICE SPACE
FOUNDATION
30
Less than
500
Over
10
Ove
30
500
Over
Service space
r 10mm
Air Discharge
950
Earth terminal
322
Handle for moving
Side Air Intake
Rear Air Intake
Handle
for
moving
635
1350
Handle for moving
9.52(3/8 inch)
Handle for moving
Handle for moving
14514522030 145
371
Air intake
23
Power supply wiring hole
Right trunking hole
(Knockout)
27Knockout)
Power supply wiring hole
(2-
(Knockout)
Right piping hole
27Knockout)
(2-
Power supply wiring hole
27Knockout)
(2-
40
45
75 40
4540
Rear trunking hole
(Knockout)
92
92
63
81 219
Rear piping hole
92
73 63
92
73
92
(Knockout)
65
27 55
23
92
19 55
73 63 23 27
23
27 55
65
92
given in the installation manuals etc.
basic example.
Explanation of particular details is
The diagram below shows a
1 FREE SPACE (Around the unit)
Over 10mm
Over 1000mm
···Refrigerant GAS pipe connection (FLARE) 15.88(5/8 inch)
···Refrigerant LIQUID pipe connection (FLARE)
Example of Notes
1 ···Indication of STOPVALVE connection location.
13
Piping Knockout Hole Details
(Knockout)
Front trunking hole
Front piping hole
(Knockout)
8
WIRING DIAGRAM
PUHZ-HRP71VHA PUHZ-HRP100VHA
[LEGEND]
SYMBOL TB1 MC MF1, MF2 21S4 63H 63L Low Pressure Switch SV TH3,TH32,TH33 TH4 TH6 TH7 TH8 LEV-A, LEV-B,LEV-C DCL ACTM CB CY1,CY2
Terminal Block<Power Supply, Indoor/Outdoor> Motor for Compressor Fan Motor Solenoid Valve (Four-Way Valve) High Pressure Switch
Solenoid Valve (Bypass Valve)
Thermistor<Outdoor Pipe>
Thermistor<Discharge> Thermistor<Outdoor 2-Phase Pipe> Thermistor<Outdoor> Thermistor<Heatsink> Electronic Expansion Valve
Reactor Active Filter Module Main Smoothing Capacitor Capacitor
NAME SYMBOL NAME SYMBOL NAME
P. B.
TABU/V/W TABS/T TABP1/P2/P TABN1/N2/N DS2, DS3 IPM
N.F.
LI / LO NI / NO EI, E2 52C
C.B.
SW1
SW4 SW5
Power Circuit Board Connection Terminal<U/V/W-Phase> Connection Terminal <L/N-Phase>
Connection Terminal<DC Voltage> Connection Terminal<DC Voltage Diode Bridge
Power Module
Noise Filter Circuit Board Connection Terminal<L-Phase> Connection Terminal<N-Phase> Connection Terminal<Ground>
52C Relay
Controller Circuit Board
<Forced Defrost, Defect History Record
Switch Reset, Refrigerant Address>
Switch<Test Operation> Switch<Function Switch>
SW6 SW7 SW8 SW9
>
SWP
CN31 SS CNM CNMNT
CNVMNT
CNDM
LED1,LED2
F1~F4 X51,X52,X55
Switch<Model Select> Switch<Function Setup>
Switch<Function Setup> Switch Switch<Pump Down> Connector<Emergency Operation>
Connector<Connection for Option>
Connector
<A-Control Service Inspection Kit Connector <Connected to Optional M-NET Adapter Board Connector <Connected to Optional M-NET Adapter Board Connector < Connected for Option (Contact Input)> LED<Operation Inspection Indicators>
Fuse< T6.3AL250V> Relay
>
>
>
MF1
MS
MF2
MS
3~
3~
C. B.
1
1
LEV-C
M
LEV-B
5
6
1
LEV-B (RED)
13 13 13
X52
5
1
LEV-C
(BLU)
CNVMNT
(WHT)
(WHT)
6
SV21S4
3
31
CNM
X55
SV2
(BLU)
CNMNT
(WHT)
CN52C (RED)
5
+1+
2
51
SW5SW8SW4 SWP
SW6SW1
141
CN31
221
X51
SS
(WHT)
31
CN2
63L
63L
(RED)
7
31
71
LEV-A
MM
61
LEV-A (WHT)
LED1
LED2
CN4
(WHT)
21
2
21S4
(GRN)
TH3
(WHT)
21
43
°
t
°
TH4
(WHT)
63H
63H
(YLW)
F3
F4
(WHT)
TH7 TH6 TH3 TH4
TH32
TH33
t
°
t
°
7
CNF1
(WHT)
1
TH33
(YLW)
7
CNF2
(WHT)
3
2
CNDC
1
(PNK)
CNS
(WHT)
31
t°t°t
2
4121
121
3
TH32
TH7/6
(BLK)
(RED)
TRANS
F2
CNAC
(WHT)
F1
P. B.
4
1
CNAF
(WHT)
6
7
1
CN2
IPM
(WHT)
7 1 2
(WHT)
1 2
(RED)
1 2
(WHT)
TABN
TABP
CN3
CN5
CN4
TABP2
RED
TABU
RED
UVW
TH8
t
°
2
2
WHT
CB
RED
TABV
WHT
MS 3~
BLK
CNDC (PNK)
2
1
3
TABN1
BLK
TABW
MC
TABT
BLU
DS3
TABS
WHT
DS2
TABP1
RED
U
TABN2
WHT
When M-NET adapter is connected
5
SW7
SW9
1
3
(WHT)
CNDM
1
CN51
(WHT)
5
CNAC2
(RED
1
CNAC1
(WHT
3
1
3
WHT
LO NO
)
)
LI NI
RED
ABS
52C
U
BLU
5
CN5
SW1
(WHT)
1
LED2
LED3
LED4
M-NET ADAPTER
2
CN2M (WHT)
1
LED1
LED5
TB7
M-NET
N. F.
1
2
CN52C
(BLK)
E2
1
2
CN5
(RED
EI
U
BLU
CND
(WHT)
31
3
)
SW11
SW12
2
BLK
2
BLK
M-NET ADAPTER
SYMBOL TB7 CN5 CND CN2M SW1 SW11 SW12 LED1 LED2 LED3 LED4 LED5
Terminal Block<M-net connection> Connector<Transmission> Connector<Power Supply> Connector<M-NET communication> Switch<Status of communication> Switch<Address setting : 1s digit> Switch<Address setting : 10s digit> LED<Power Supply : DC5V> LED<Connection to Outdoor Unit> LED<Transmission : Sending> LED<Transmission : Receiving> LED<Power Supply : DC12V>
NAME
RED
BLK
DCL
BLK
ACTM
4
WHT
L1
L2
61
RED
P
N1 N2
WHT
Io
RED
L N S1 S2 S3
POWER SUPPLY ~/N 230V 50Hz
BLU
YLW
GRN/YLW
INDOOR UNIT
ORN
BRN
CY1
CY2
TB1
+
1. MODEL SELECT
The black square ( )
MODEL
ON
71V
OFF
ON
100V
OFF
+
2. SW5 -1 to 5 : Function Switch
indicates a switch position.
SW6
12345678
12345678
ON OFF
ON OFF
SW5-6+2
123456
123456
14
PUHZ-HRP100YHA PUHZ-HRP125YHA
[LEGEND]
SYMBOL TB1 TB2 Terminal Block<Indoor/Outdoor > MC MF1, MF2 21S4 63H 63L Low Pressure Switch SV TH3,TH32,TH33 TH4 TH6 TH7 LEV-A, LEV-B, LEV-C ACL1~ACL4 CB1, CB2 CK CY1, CY2 RS
M-NET ADAPTER
TB7 Terminal Block<M-NET connection > CN5 CND CN2M SW1 SW11
Terminal Block<Power Supply>
Motor for Compressor Fan Motor Solenoid Valve (Four-Way Valve) High Pressure Switch
Solenoid Valve (Bypass Valve)
Thermistor<Outdoor Pipe>
Thermistor<Discharge> Thermistor<Outdoor 2-Phase Pipe> Thermistor<Outdoor> Electronic Expansion Valve
Reactor Main Smoothing Capacitor Capacitor Capacitor Rush Current Protect Resistor
Connector<Transmission> Connector<Power Supply> Connector<M-NET communication> Switch<Status of communication> Switch<Address setting: 1s digit>
MF1
MS
3~
MF2
MS
3~
TB2
S1
INDOOR
UNIT
POWER SUPPLY 3N~ 400V 50Hz
S2
S3
NAME SYMBOL NAME SYMBOL NAME
SW12 Switch<Address setting: 10s digit > LED1 LED2 LED3 LED4 LED5
TH33
CY1
1
1
CNS
(WHT)
C.B.
3
CY2
2
1
t
°
CNF1
(WHT)
3
121
7
TH33 (YLW)
CNF2
(WHT)
7
3
TRANS
1
CNDC (PNK)
F2
F1
BLK
YLW
ORN
P.B.
TB-U/V/W TB-L1/L2/L3 TB-P2 TB-C1 TB-N1 X52A
N.F.
LI1/LI2/LI3/NI LO1/LO2/LO3/NO
CONV.B.
L1-A1/IN L1-A2/OU L2-A2/OU L3-A2/OU
LED<Power Supply: DC5V> LED<Connection to Outdoor Unit> LED<Transmission: Sending> LED<Transmission: Receiving> LED<Power Supply: DC12V>
TH7 TH6 TH3 TH4
TH32
t
°
1
TH32 (BLK)
2
t°t°t°t
TH7/6 (RED)
4121
TH3 (WHT)
°
TH4
(WHT)
(YLW)
CN2
(WHT)
71
7
CNAC (WHT)
12
34
BLU
F3
F4
P.B.
2
2
RED
RS
RED
Power Circuit Board Connection Terminal<U/V/W-Phase> Connection Terminal Connection Terminal Connection Terminal Connection Terminal 52C Relay Noise Filter Circuit Board Connection Terminal Connection Terminal Connection Terminal<Ground>GD1, GD3 Converter Circuit Board Connection Terminal<L1-Power Supply> Connection Terminal<L1-Power Supply> Connection Terminal<L2-Power Supply> Connection Terminal<L3-Power Supply> Connection TerminalN-IN Connection TerminalCK-OU
63L
63H
31
63L
31
(RED)
63H
37
31
CN7
(WHT)
2
CN4
(WHT)
1
CN5
2
(RED)
1
X52A
BRN
N.F.
CNAC1
TB1
L1
L2
L3
N
RED
WHT
BLK
BLU
GRN/YLW
LI1
LI2
UU
LI3
U
NI
U
U
BLK
(WHT)
GD1
<L1/L2/L3-Power Supply>
<L1/L2/L3/N-Power Supply <L1/L2/L3/N-Power Supply
LEV-A LEV-B
MM
61
LEV-A
LEV-B
(WHT)
(RED)
LED1
LED2
X52
13
21S4
(GRN)
SV21S4
71
CN2
(WHT)
+
--
+
--
+
TB-P2
WHT
RED
++
CB1 CB2 CK
31
LEV-C
M
5
61
5
1 14
1
LEV-C
(BLU)
X55
13
SV2
(BLU)
+
TB-N1
TB-C1
BLK
CNDC
GD3
(PNK)
BLK
3
3151
CNVMNT
(WHT)
CNM
(WHT)
(WHT)
6
TB-W
TB-V
TB-U
TB-L3
TB-L2
TB-L1
2
> >
CN4
CNMNT
(WHT)
221
13
(WHT)
C.B.
SW1
SW4 SW5 SW6 SW7 SW8 SW9 SWP CN31 LED1, LED2 F1~F4 CNM CNMNT
CNVMNT
CNDM
CN3S CN51 SS X51,X52,X55
5
X51
SS
BLK
WHT
RED
BLK
WHT
RED
CNCT (RED)
+
WHT
Controller Circuit Board
Switch
<Forced Defrost, Defect History Record
Reset, Refrigerant Address>
Switch<Test Operation> Switch<Function Switch> Switch<Model Select> Switch<Function Setup> Switch<Function Setup> Switch Switch<Pump Down> Connector<Emergency Operation> LED<Operation Inspection Indicators> Fuse<T6.3AL250V> Connector<A-Control Service Inspection Kit> Connector <Connect to Optional M-NET Adapter Board> Connector <Connect to Optional M-NET Adapter Board> Connector < Connection for Option Connector< Connection for Option> Connector< Connection for Option> Connector< Connection for Option> Relay
+
1
+
2
SW5SW8SW4 SWP
MC
W
V
MS
U
2
SW7
SW6SW1
SW9
CN31
1 3
CN3S
(WHT)
1 3
(WHT)
CNDM
1
CN51
(WHT)
5
+1. MODEL SELECT The black square (
MODEL
100Y
125Y
3
~
+2. SW5 -1 to 5 : Function Switch
3
CNAC2
(RED)
3121
LO1
LO2
LO3
NO
(Contact Input)
When M-NET adapter is connected)
5
ABS
) indicates a switch position.
SW6
ON OFF
12345678
ON OFF
12345678
BLK
BLK
WHT
WHT
L3-A2
L2-OU
L3-OU
CONV.B.
3
CN7
1
(WHT)
L1-A1
L1-IN
RED
RED
RED
WHT
BLK
BLU
+
U
--
1331
CNL
(BLU)
WHT
ACL4
>
5
CN5
(WHT)
1
LED2
LED3
LED4
M-NET ADAPTER
2 1
CN2M
(WHT)
LED5
TB7
M-NET
ON OFF
ON OFF
RED
RED
L2-A2
L1-OU
N-IN
BLU
ACL1
ACL2
ACL3
SW11
SW1
SW12
CND
(WHT)
31
LED1
3
SW5-6 +2
123456
123456
L1-A2
CK-OU
BLK
15
PUHZ-HRP71VHA2 PUHZ-HRP100VHA2
[LEGEND]
SYMBOL TB1 MC MF1, MF2 21S4 SV 63H High Pressure Switch 63L Low Pressure Switch 63HS High Pressure Sensor TH3 Thermistor<Liquid> TH4 TH6 TH7 TH32 Thermistor<Suction> TH33 Thermistor<Ref. check> LEV-A, LEV-B,LEV-C
DCL CB CY1,CY2
Terminal Block<Power Supply, Indoor/Outdoor> Motor for Compressor Fan Motor Solenoid Valve (Four-Way Valve) Solenoid Valve (Bypass Valve)
Thermistor<Discharge> Thermistor<2-Phase> Thermistor<Ambient>
Electronic Expansion Valve
Reactor Main Smoothing Capacitor Capacitor
C.B.
1
MF1
MS
3~
1
MF2
MS
3~
CNS
(
WHT
NAME SYMBOL NAME SYMBOL NAME
TH7 TH3 TH4
TH33
TH6
TH32
t° t° t°
CNF1
(
WHT
7
CNF2
(
7
3
2
1
CNDC
(
)
31
WHT
PNK
)
TH33
(
)
)
F2
F1
4121
3t°12131
2
1
TH7/6
TH3
TH32
YLW
)
(
RED
)
(
WHT
BLK
)
CNAC
(
WHT
)
)
21
43
(
TRANS
(
7
TH4 WHT
)
(
(
WHT
63H
63H YLW
CN2
31
(
RED
)
)
71
F3
F4
P. B .
U/V/W LI NI DCL1, DCL2 IGBT E1,E2,E3,E4
C.B.
SW1
SW4
SW5
SW6 SW7 SW8 SW9 SWP CN31
63HS
63L
63HS
(
WHT
31
63L
)
LED2
2
21S4
(
GRN
Power Circuit Board Connection Terminal<U/V/W-Phase> Connection Terminal <L-Phase>
Connection Terminal< Reactor Power Module Connection Terminal (Ground) Controller Circuit Board
Switch
<Forced Defrost, Defect History Record Reset, Refrigerant Address> Switch<Test Operation> Switch<Function Switch> Switch<Model Select> Switch<Function Setup> Switch<Function Setup> Switch Switch<Pump Down> Connector<Emergency Operation>
LEV-C
LEV-A LEV-B
MM
LEV-A
)
(
WHT
LED1
CN4
(
WHT
)
21
)
M
3
5
61
61
3151
LEV-B
CNVMNT
)
(
RED
1 14
5
1
LEV-C
(
BLU
X52
13 13 13
CNMNT
)
(
WHT
)
(
CNM
(
WHT
)
CN52C
(
RED
6
)
X55
SV2
(
BLU
)
SV21S4
WHT
331
5
)
)
N-Phase
2
SW5SW8SW4 SWP
X51
SS
(
WHT
SW6SW1
1
CN31
>
When M-NET adapter is connected
5
SW7
SW9
)
1 3
WHT
(
CNDM
1
)
WHT
CN51
(
5
)
ABS
SS CNM CNDM
LED1,LED2
F1~F4 X51,X52,X55
5
CN5
SW1
(WHT)
1
LED2
LED3
LED4
M-NET ADAPTER
2
CN2M (WHT)
(WHT)
1
31
LED1
LED5
3
TB7
M-NET
Connector<Connection for Option> Connector
<A-Control Service Inspection Kit Connector < Connected for Option (Contact Input)> LED<Operation Inspection Indicators>
Fuse<T6.3AL250V Relay
>
M-NET ADAPTER
CND
SW11
SW12
SYMBOL TB7 CN5 CND CN2M SW1 SW11 SW12 LED1 LED2 LED3 LED4 LED5
Terminal Block Connector Connector Connector Switch Switch Switch LED LED LED LED LED
NAME
<
M-NET connection>
<
Transmission>
<
Power Supply>
<
M-NET communication>
<
Status of communication>
<
Address setting : 1s digit>
<
Address setting : 10s digit>
<
Power Supply : DC5V>
<
Connection to Outdoor Unit>
<
Transmission : Sending>
<
Transmission : Receiving>
<
Power Supply : DC12V>
>
2
2
1
CN4
(
WHT
)
WHT
CB
RED
W
U
V
BLK
RED
WHT
V
W
U
MS
3
~
7
1
CN2
(
WHT
)
2
CNDC
N2
(
PNK
)
3
1
P2
DCL2
DCL
IGBT
DCL1
BLK
1
BLK
CN52C
(
RED
)
3
52C
52C
E4
EI
U
MC
BLU
RED
YLW
GRN/YLW
ORN
L N S1 S2 S3
INDOOR
POWER SUPPLY
~
/N 230V 50Hz
UNIT
BRN
P. B.
BLK
E3
CNAC2
(
RED
)
1
3
BLK
E2
1
RED
3
WHT
CNAC1
(
WHT
)
U
LINI
CY1 CY2
TB1
+1. MODEL SELECT The black square (
MODEL
ON
71V
OFF
ON
100V
OFF
2. SW5 -1 to 5 : Function Switch
) indicates a switch position.
SW6
12345678
12345678
ON OFF
ON OFF
SW5-62
123456
123456
16
PUHZ-HRP100YHA2 PUHZ-HRP125YHA2
[LEGEND]
SYMBOL TB1 TB2 Terminal Block<Indoor/Outdoor > MC MF1, MF2 21S4 SV 63H 63L Low Pressure Switch 63HS High Pressure Sensor TH3 Thermistor<Liquid> TH4 TH6 TH7 TH32 Thermistor<Suction>
TH33 Thermistor<Ref. check>
LEV-A, LEV-B, LEV-C
ACL1~ACL4
RS CB1, CB2 CK
Terminal Block<Power Supply>
Motor for Compressor Fan Motor Solenoid Valve (Four-Way Valve) Solenoid Valve (Bypass Valve) High Pressure Switch
Thermistor<Discharge> Thermistor<Outdoor 2-Phase Pipe> Thermistor<Outdoor>
Electronic Expansion Valve
Reactor Rush Current Protect Resistor Main Smoothing Capacitor Capacitor
C.B.
1
MF1
MS
~
3
1
MF2
MS
~
3
CNS
(WHT)
TB2
S1
INDOOR UNIT
POWER SUPPLY 3N~ 400V 50Hz
S2
S3
NAME SYMBOL NAME SYMBOL NAME
TH7 TH3 TH4
TH33
CNF1 (WHT)
7
TH33
(
CNF2 (WHT)
7
3
1
2
CNDC (PNK)
F2
F1
3
1
TH6
TH32
3t°12131
2
1
TH7/6
TH32
YLW
)
(
RED
(
BLK
)
TRANS
CNAC
(
WHT
)
12
34
t° t° t°
4121
TH3
)
(
WHT
)
TH4
(
WHT
F3
F4
)
63H
(
YLW
CN2
(
WHT
P.B.
N.F.
CONV.B.
63H
31
)
)
7
TB-U/V/W TB-L1/L2/L3 TB-P2 TB-C1 TB-N1 X52A
LI1/LI2/LI3/NI LO1/LO2/LO3/NO GD1, GD3
L1-A1/IN L1-A2/OU L2-A2/OU L3-A2/OU N-IN CK-OU
71
Power Circuit Board Connection Terminal<U/V/W-Phase> Connection Terminal Connection Terminal Connection Terminal Connection Terminal 52C Relay Noise Filter Circuit Board Connection Terminal Connection Terminal Connection Terminal<Ground> Converter Circuit Board Connection Terminal<L1-Power Supply> Connection Terminal<L1-Power Supply> Connection Terminal<L2-Power Supply> Connection Terminal<L3-Power Supply> Connection Terminal Connection Terminal
63HS
(
63L
63L
RED
31
)
63HS
(
WHT
)
LED2
LEV-A LEV-B
LEV-A (WHT)
CN4
(WHT)
LEV-C
M
MM
LED1
221
61
61
LEV-B (RED)
1 14
5
1
6
LEV-C
(
BLU
)
X52
13
13
21S4
(GRN)
5
X55
(BLU)
SV2
<L1/L2/L3-Power Supply>
<L1/L2/L3/N-Power Supply <L1/L2/L3/N-Power Supply
3
3151
CNVMNT
(WHT)
CNM
(
WHT
SV21S4
P.B.
37
71
CN2
(WHT)
+
--
+
--
+
TB-P2
RED
++
CB1 CB2 CK
WHT
+
TB-C1
BLK
BRN
ORN
YLW
31
CN7
(WHT)
2
2
CN4
(WHT)
1
CN5
2
2
(RED)
1
X52A
RED
RS
RED
N.F.
CNAC1
(WHT)
TB1
L1
L2
L3
N
RED
WHT
BLK
BLU
GRN/YLW
LI1
LI2
UU
LI3
U
NI
U
U
GD1
BLK
31
GD3
BLK
)
TB-N1
CNMNT
(WHT)
TB-V
TB-L3
TB-L2
TB-L1
CNDC (PNK)
TB-W
TB-U
2
C.B.
SW1
SW4 SW5 SW6 SW7 SW8 SW9
> >
SWP CN31 SS
LED1, LED2 CNM CNDM
F1~F4
X51,X52,X55
5
1
2
SW5SW8SW4 SWP
SW7
SW6SW1
SW9
CN31
)
1 3
WHT
(
CNDM
1
)
WHT
CN51
(
SS
BLK
WHT
RED
BLK
WHT
RED
CNCT (RED)
+
BRN
5
MC
W
V
MS
~
3
U
2
+
U
--
1331
CNL
(BLU)
WHT
13
X51
(WHT)
Controller Circuit Board Switch
<Forced Defrost, Defect History Record Reset, Refrigerant Address> Switch<Test Operation> Switch<Function Switch> Switch<Model Select> Switch<Function Setup> Switch<Function Setup> Switch Switch<Pump Down> Connector<Emergency Operation> Connector< Connection for Option> LED<Operation Inspection Indicators> Connector<A-Control Service Inspection Kit> Connector < Connection for Option
Fuse<T6.3AL250V> Relay
When M-NET adapter is connected
5
ABS
+1. MODEL SELECT The black square () indicates a switch position.
MODEL
100Y
125Y
ON OFF
12345678
ON OFF
12345678
SW6
5
SW1
CN5
(WHT)
1
LED2
LED3
LED4
M-NET ADAPTER
2 1
CN2M
(WHT)
LED1
LED5
3
TB7
M-NET
ON OFF
ON OFF
(Contact Input)
SW11
SW12
CND
(WHT)
31
SW5-62
123456
123456
2. SW5 -1 to 5 : Function Switch
RED
CN7
L1-A1
RED
L3-A2
(WHT)
WHT
RED
RED
WHT
L2-A2
L2-OU
CONV.B.
L1-IN
BLU
L1-OU
N-IN
ACL1
ACL2
ACL3
L1-A2
CK-OU
BLK
CNAC2
3121
3
(RED)
BLK
BLK
L3-OU
3
1
LO1
RED
LO2
WHT
LO3
BLK
NO
BLU
ACL4
>
M-NET ADAPTER
TB7 Terminal Block<M-NET connection > CN5
Connector<Transmission>
CND
Connector<Power Supply>
CN2M
Connector<M-NET communication>
SW1
Switch<Status of communication>
SW11
Switch<Address setting: 1s digit>
SW12 Switch<Address setting: 10s digit > LED1
LED<Power Supply: DC5V>
LED2
LED<Connection to Outdoor Unit>
LED3
LED<Transmission: Sending>
LED4
LED<Transmission: Receiving>
LED5
LED<Power Supply: DC12V>
17
PUHZ-HRP71VHA2R1 PUHZ-HRP100VHA2R1
[LEGEND]
SYMBOL TB1 MC MF1, MF2 21S4 63H High Pressure Switch 63L Low Pressure Switch 63HS High Pressure Sensor
TH3 Thermistor<Liquid> TH4 TH6 TH7
TH32 Thermistor<Suction>
TH33 Thermistor<Ref. check> LEV-A, LEV-B,LEV-C
DCL
CB
CY1,CY2
MF1
MS
~
3
MF2
MS
~
3
Terminal Block<Power Supply, Indoor/Outdoor> Motor for Compressor Fan Motor Solenoid Valve (Four-Way Valve)
Thermistor<Discharge> Thermistor<2-Phase> Thermistor<Ambient>
Electronic Expansion Valve
Reactor Main Smoothing Capacitor Capacitor
C.B.
CNS
(WHT)
2
31
7
7
3
CNF1
(WHT)
CNF2
(WHT)
1
CNDC (PNK)
1
1
NAME SYMBOL NAME SYMBOL NAME
TH6
t° t° t°
4121
TH3 (WHT)
)
21
TH4
(WHT)
7
63H
63H
(YLW)
CN2
(
WHT
TH7 TH3 TH4
TH33
TH32
3t°12131
2
1
TH33
TH7/6
TH32
(YLW)
(RED)
(BLK)
TRANS
F2
CNAC
(
WHT
F1
43
P. B.
U/V/W LI NI DCL1, DCL2 IGBT E1,E2,E3,E4
C.B.
SW1
SW4
SW5
SW6 SW7 SW8 SW9 SWP
63HS
63L
63HS
LEV-A
(WHT)
(
31
63L
31
(RED)
LED2
CN4
(WHT)
)
71
F3
F4
2
21S4
(GRN)
21
21S4
Power Circuit Board Connection Terminal<U/V/W-Phase> Connection Terminal <L-Phase>
Connection Terminal< Recator Power Module Connection Terminal (Ground) Controller Circuit Board
Switch
<Manual Defrost, Defect History Record
Reset, Refrigerant Address>
Switch<Test Operation> Switch<Function Switch, Model Select> Switch<Model Select> Switch<Function Switch>
Switch<Function Switch> Switch<Function Switch> Switch<Pump Down>
LEV-C
LEV-A LEV-B
MM
WHT
LED1
M
3
5
61
61
3151
LEV-B
CNVMNT
)
(RED
1 14
5
1
LEV-C
(BLU)
X52
13 13 13
CNMNT
)
)
(WHT
(WHT
CNM
(WHT)
CN52C
(RED)
X54
SV1
(GRY)
331
6
5
)
N-Phase
SW5SW8SW4 SWP
X51
SS
(WHT
+1+2
SW6SW1
CN31
CNDM
CN51
)
>
When M-NET adapter is connected
5
SW7
SW9
1
ABS
3
(WHT)
1
(WHT)
5
CN31
SV1
SS CNM CNDM
LED1,LED2
F1~F4 X51,X52,X55
M-NET ADAPTER
5
CN5
SW1
(WHT)
1
LED2
LED3
LED4
M-NET ADAPTER
2
CN2M
(WHT)
(WHT)
1
LED1
LED5
3
TB7
M-NET
Connector<Emergency Operation>
Connector<Connection for Option
Connector<Connection for Option> Connector
<A-Control Service Inspection Kit Connector < Connected for Option (Contact Input)> LED<Operation Inspection Indicators>
Fuse<T6.3AL250V Relay
SYMBOL TB7 CN5 CND CN2M SW1 SW11 SW12 LED1 LED2 LED3 LED4 LED5
SW11
SW12
CND
31
>
NAME
Terminal Block
<
M-NET connection>
<
Transmission>
Connector
<
Power Supply>
Connector
<
M-NET communication>
Connector
<
Status of communication>
Switch
<
Address setting : 1s digit>
Switch
<
Address setting : 10s digit>
Switch
<
Power Supply : DC5V>
LED
<
Connection to Outdoor Unit>
LED
<
Transmission : Sending>
LED
<
Transmission : Receiving>
LED
<
Power Supply : DC12V>
LED
>
>
2
2
1
CN4
(WHT)
WHT
CB
RED
W
U
V
BLK
RED
WHT
V
W
U
MS
~
3
7
1
CN2
(WHT)
CNDC
N2
P2
DCL2
DCL1
DCL
MC
+3 Setting of the starting ambient temp. of the flash injection.
The black square () indicates a switch position.
Ambient temp.
3°C or less
(lnitial setting)
SW9-3,4 +4
ON OFF
1234
Ambient temp.
0°C or less
SW9-3,4 +4
ON OFF
1234
+4. SW9-1 to 2 : Function Switch
(PNK)
IGBT
2
3
CN52C
(RED)
1
3
52C
52C
1
E4
EI
BLK
BLK
BLU
RED
L N S1 S2 S3
POWER SUPPLY ~/N 230V 50Hz
Ambient temp.
-3°C or less
U
YLW
GRN/YLW
INDOOR UNIT
ON OFF
U
ORN
BRN
SW9-3,4 +4
1234
P. B.
CNAC2
(RED)
E2
CNAC1
(WHT)
LINI
CY1 CY2
TB1
-6°C or less
BLK
E3
1
3
BLK
1
RED
3
WHT
+1 MODEL SELECT
The black square () indicates a switch position.
MODEL
71V
100V
2 SW5 -1 to 5 : Function Switch
+
Ambient temp.
SW6
ON OFF
12345678
ON OFF
12345678
SW9-3,4 +4
ON OFF
1234
SW5-6 +2
ON OFF
123456
ON OFF
123456
18
PUHZ-HRP100YHA2R1 PUHZ-HRP125YHA2R1
[LEGEND]
SYMBOL TB1 TB2 Terminal Block<Indoor/Outdoor > MC MF1, MF2 21S4
63H
63L Low Pressure Switch 63HS High Pressure Sensor TH3 Thermistor<Liquid>
TH4
TH6
TH7
TH32 Thermistor<Suction>
TH33 Thermistor<Ref. check>
LEV-A, LEV-B, LEV-C ACL1~ACL4
RS
CB1, CB2
CK
MF1
MS 3~
MF2
MS 3~
TB2
S1
INDOOR UNIT
POWER SUPPLY 3N~ 400V 50Hz
S2
S3
Terminal Block<Power Supply>
Motor for Compressor Fan Motor Solenoid Valve (Four-Way Valve) High Pressure Switch
Thermistor<Discharge> Thermistor<Outdoor 2-Phase Pipe> Thermistor<Outdoor>
Electronic Expansion Valve
Reactor Rush Current Protect Resistor Main Smoothing Capacitor
Capacitor
C.B.
1
7
1
7
2
CNS
(WHT)
1
3
YLW
ORN
BRN
NAME SYMBOL NAME SYMBOL NAME
TH6
t° t° t°
4121
(WHT)
UU
U
U
63H
TH3
TH4
(WHT)
63H
(YLW)
CN2
(WHT)
F3
F4
P.B.
2
2
RS
U
GD1
BLK
TH7 TH3 TH4
TH33
TH32
CNF1
(WHT)
CNF2
(WHT)
3
1
CNDC
(PNK)
TB1
L1
L2
L3
N
F2
F1
3t°12131
2
1
TH33
TH7/6
TH32
(YLW)
(RED)
(BLK)
TRANS
CNAC (
WHT)
12
34
N.F.
LI1
RED
LI2
WHT
LI3
BLK
NI
BLU
GRN/YLW
63L
31
63L
31
(RED)
71
7
37
31
CN7
(WHT)
2
CN4
(WHT)
1
CN5
2
(RED)
1
X52A
RED
RED
CNAC1
(WHT)
P.B.
TB-U/V/W TB-L1/L2/L3 TB-P2 TB-C1 TB-N1 X52A
N.F.
LI1/LI2/LI3/NI LO1/LO2/LO3/NO GD1, GD3
CONV.B.
L1-A1/IN L1-A2/OU L2-A2/OU L3-A2/OU N-IN CK-OU
63HS
LEV-A LEV-B
MM
63HS
LEV-A
(WHT)
(WHT)
LED1
LED2
CN4
(WHT)
221
13
21S4
71
CN2
(WHT)
TB-P2
RED
++
31
Power Circuit Board Connection Terminal<U/V/W-Phase> Connection Terminal Connection Terminal Connection Terminal Connection Terminal 52C Relay Noise Filter Circuit Board Connection Terminal Connection Terminal Connection Terminal<Ground> Converter Circuit Board Connection Terminal<L1-Power Supply> Connection Terminal<L1-Power Supply> Connection Terminal<L2-Power Supply> Connection Terminal<L3-Power Supply> Connection Terminal Connection Terminal
LEV-C
M
3
5
61
61
LEV-B
CNVMNT
(RED)
(WHT)
1 14
CNM
5
(WHT)
1
6
LEV-C
(BLU)
X54
X52
13
21S4
SV1
(GRN)
(GRY)
+
--
+
--
+
+
TB-C1
BLK
WHT
CB1 CB2 CK
GD3
BLK
<L1/L2/L3-Power Supply>
<L1/L2/L3/N-Power Supply <L1/L2/L3/N-Power Supply
5
3151
SW5SW8SW4 SWP
CNMNT
(WHT)
X51
13
SS
(WHT)
TB-W
BLK
TB-V
WHT
RED
TB-U
TB-L3
BLK
TB-L2
WHT
TB-L1
RED
TB-N1
CNDC
(PNK)
2
CNCT (RED)
+
BRN
SW6SW1
W
V
U
+1+2
CN31
2
C.B.
SW1
SW4 SW5 SW6 SW7 SW8 SW9
> >
SWP CN31
SV1
SS LED1, LED2 CNM CNDM
F1~F4 X51,X52,X55
When M-NET adapter is connected
5
SW7
SW9
1 3
(WHT)
CNDM
CN51
(WHT)
1
5
ABS
+1 MODEL SELECT
The black square () indicates a switch position.
MODEL
ON
100Y
OFF
MC
MS
3
~
ON
125Y
OFF
+
2 SW5 -1 to 5 : Function Switch
BLK
BLK
L3-OU
3
3
CN7
1
L1-A1
3121
CNAC2 (RED)
RED
LO1
RED
LO2
WHT
LO3
BLK
NO
BLU
Controller Circuit Board Switch Reset, Refrigerant Address> Switch<Test Operation> Switch<Function Switch, Model select> Switch<Model Select> Switch<Function Switch> Switch<Function Switch> Switch<Function Switch> Switch<Pump Down> Connector<Emergency Operation>
Connector
Connector< Connection for Option> LED<Operation Inspection Indicators> Connector<A-Control Service Inspection Kit> Connector < Connection for Option Fuse<T6.3AL250V> Relay
5
SW11
SW1
CN5
(WHT)
1
LED2
SW12
LED3
LED4
M-NET ADAPTER
2
CND
1
CN2M
(WHT)
(WHT)
31
LED1
LED5
3
TB7
M-NET
SW6
12345678
12345678
WHT
WHT
RED
RED
L2-A2
L2-OU
CONV.B.
L1-IN
BLU
L1-OU
N-IN
ACL1
ACL2
ACL3
L1-A2
CK-OU
BLK
L3-A2
(WHT)
RED
+
U
--
1331
CNL
(BLU)
WHT
ACL4
<Manual Defrost, Defect History Record
<
Connection for Option
M-NET ADAPTER
SYMBOL TB7 CN5 CND CN2M SW1 SW11 SW12 LED1 LED2 LED3 LED4 LED5
>
(Contact Input)
Terminal Block Connector Connector Connector Switch Switch Switch LED LED LED LED LED
>
NAME
<
M-NET connection>
<
Transmission>
<
Power Supply>
<
M-NET communication>
<
Status of communication>
<
Address setting : 1s digit>
<
Address setting : 10s digit>
<
Power Supply : DC5V>
<
Connection to Outdoor Unit>
<
Transmission : Sending>
<
Transmission : Receiving>
<
Power Supply : DC12V>
SW5-6 +2
ON OFF
123456
ON OFF
123456
+3 Setting of the starting ambient temp. of the flash injection.
The black square () indicates a switch position.
Ambient temp.
3°C or less
(lnitial setting)
SW9-3,4 +4
ON OFF
1234
Ambient temp.
0°C or less
SW9-3,4 +4
ON OFF
1234
+4. SW9-1 to 2 : Function Switch
Ambient temp.
-3°C or less
19
SW9-3,4 +4
ON OFF
1234
Ambient temp.
-6°C or less
SW9-3,4 +4
ON OFF
1234
9
WIRING SPECIFICATIONS
9-1. FIELD ELECTRICAL WIRING (power wiring specifications)
Outdoor unit model Outdoor unit power supply
Outdoor unit input capacity *1 Main switch (Breaker)
)
Outdoor unit power supply
2
. %
Indoor unit-Outdoor unit
ing
Indoor unit-Outdoor unit ear
Wir
Wire No
Remote controller-Indoor unit
size (mm
Outdoor unit L-N (single) Outdoor unit L1-N, L2-N, L3-N (3 phase) Indoor unit-Outdoor unit S1-S2 Indoor unit-Outdoor unit S2-S3
Circuit rating
Remote controller-Indoor unit
*1.
A breaker with at least 3 mm contact separation in each poles shall be provided. Use earth leakage breaker (NV).
The breaker shall be provided to ensure disconnection of all active phase conductor of the supply. *2. Refer to 9-3. *3. The 10 m wire is attached in the remote controller accessory. *4. The figures 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.
th *2
*2
*3
*4
*4 *4 *4
Caution:
Be sure to install N-Line. Without N-Line, it could cause damage to the unit.
Notes: 1. Wiring size must comply with the applicable local and national code..
2. Power supply cables and Indoor/Outdoor unit connecting cables shall not be lighter than polychloroprene sheathed flexible cable. (Design 60245 IEC 57)
3. Use an earth wire which is longer than other cables so that it wil not become disconnected when tension is applied.
HRP71V, HRP100VHA
~/N (single), 50 Hz,
230 V
32 A
3 % Min. 4
3)
% 1.5 (Polar
1 % Min. 1.5
2 % )
0.3 (Non-polar
AC 230 V
AC 230 V
DC 24 V DC 12 V
HRP100VHA2(R1)
~/N (single), 50 Hz,
230 V
40 A
3 % Min. 6
3 % 1.5 (Polar)
1 % Min. 1.5
2 % 0.3 (Non-polar)
AC 230 V
AC 230 V
DC 24 V DC 12 V
HRP100, 125Y
3N ~ (3phase), 50 Hz,
400 V
16 A
5 % Min. 1.5
3 % 1.5 (Polar)
1 % Min. 1.5
2 % 0.3 (Non-polar)
AC 230 V
AC 230 V
DC 24 V DC 12 V
Power supply
Isolator
S1
A-Control
Outdoor Unit
S2
S3
Warning: In case of A-control wiring, there is high voltage potential on the S3 terminal caused by electrical circuit design that has no electrical insulation between power line and communication signal line. Therefore, please turn off the main power supply when servicing. And do not touch the S1, S2, S3 terminals when the power is energized. If isolator should be used between indoor unit and outdoor unit, please use 3-pole type.
Turn on the main power when the ambient temperature is -20°C or higher. In below -20°C condition, it needs at least 4hr standby to operate in order to warm the electrical parts.
3 poles isolator
S1
S2
S3
A-Control
Indoor Unit
1:1 system Electrical wiring Synchronized twin system Electrical wiring
• Synchronized twin
Indoor unit
1 2
S1 S2 S3
Unit power supply
Earth leakage breaker Wiring circuit breaker or
isolating switch
Outdoor unit
L
N
Indoor/outdoor unit connection cable
S1 S2 S3
Indoor unit
S1 S2 S3
1
Remote controller
2
Unit power
supply
Earth leakage breaker Wiring circuit breaker or
isolating switch
Outdoor unit
L
N
Indoor/outdoor unit connection cable
S1 S2 S3
Indoor unit
S1 S2 S3
1
Remote controller
2
20
9-2. SEPARATE INDOOR UNIT/ OUTDOOR UNIT POWER SUPPLIES
The following connection patterns are available. The outdoor unit power supply patterns vary on models.
1:1 System
<For models without heater>
* The optional indoor power supply terminal kit is required.
L
N
S1 S2 S3

L
N
S1 S2 S3
1 2
* Affix a label B that is included with the manuals near each wiring diagram for the indoor and outdoor units.
Simultaneous twin system
<For models without heater>
* The optional indoor power supply terminal kits are required.

L N
S1 S2 S3
1
2
L N
S1
S2 S3
1 2

L N
 
S1 S2 S3
* Affix a label B that is included with the manuals near each wiring diagram for the indoor and outdoor units.
If the indoor and outdoor units have separate power supplies, refer to the table below. If the optional indoor power supply terminal kit is used, change the indoor unit electrical box wiring referring to the figure in the right and the DIP switch settings of the outdoor unit control board.
Indoor unit specifications Indoor power supply terminal kit (option) Indoor unit electrical box connector con­nection change Label affixed near each wiring diagram for the indoor and outdoor units Outdoor unit DIP switch settings (when using separate indoor unit/outdoor unit power supplies only)
ON OFF
Required
Required
Required
3
1 2 (SW8)
Electric heater (For models with heater)
L
N
S1
S2
S3
Indoor unit power supplied from outdoor unit (when shipped from factory)
Connectors (
BLUE
BLUE
YELLOW
YELLOW
CND
Set the SW8-3 to ON.
* There are three types of labels (labels A, B, and C). Affix the appropriate labels to
the units according to the wiring method.
Outdoor unit power supplyEarth leakage breakerWiring circuit breaker or isolating switchOutdoor unitIndoor unit/outdoor unit connecting cordsRemote controllerIndoor unitOption
         
Initial setting:
for indoor unit power supplied from outdoor unit)
ORANGE CND
Indoor unit
control board
Indoor unit power supply
Outdoor unit power supply Earth leakage breaker Wiring circuit breaker or isolating switch Outdoor unit Indoor unit/outdoor unit connecting cords Remote controller Indoor unit Option Indoor unit power supply Indoor unit earth
If the indoor and outdoor units have separate power supplies, change the connections of the connectors as shown in the following figure.
Electric heater (For models with heater)
L
N
S1
S2
S3
Separate indoor unit/outdoor unit power supplies
YELLOW
BLUE
BLUE
YELLOW
Connectors
CND
Indoor unit
control board
ORANGE CND
Indoor unit model Indoor unit power supply Indoor unit input capacity Main switch (Breaker)
Indoor unit power supply Indoor unit power supply earth
)
2
Indoor unit-Outdoor unit
(mm
Wiring
Indoor unit-Outdoor unit earth
Wire No. % size
Remote controller-Indoor unit
Indoor unit L-N *4
Indoor unit-Outdoor unit S1-S2 Indoor unit-Outdoor unit S2-S3
rating
Circuit
Remote controller-Indoor unit
*1
*2
*3
*4 *4 *4
RP35~125
~/N (single), 50 Hz, 230 V
16 A
2 % Min. 1.5 1 % Min. 1.5 2 % Min. 0.3
2 % 0.3 (Non-polar)
AC 230 V
– DC24 V DC12 V
*1. A breaker with at least 3 mm contact separation in each pole shall be provided. Use earth leakage breaker (NV). The breaker shall be provided to ensure disconnection of all active phase conductor of the supply. *2. Max. 120 m *3.The 10 m wire is attached in the remote controller accessory. Max. 500 m *4.The figures are NOT always against the ground.
Notes: 1. Wiring size must comply with the applicable local and national code.
2. Power supply cables and indoor unit/outdoor unit connecting cables shall not be lighter than polychloroprene sheathed flexible cable. (Design 60245 IEC 57)
3. Install an earth longer than other cables.
21
9-3. INDOOR – OUTDOOR CONNECTING CABLE
The cable shall not be lighter than design 60245 IEC or 60227 IEC.
Wire No. % Size ($)
Outdoor power supply
Max. 45m
Max. 50m
Max. 80m
Indoor unit-Outdoor unit
Indoor unit-Outdoor unit earth
+ The max. cable length may vary depending on the condition of installation, humidity or materials, etc.
Indoor/Outdoor separate power supply
Indoor unit-Outdoor unit
Indoor unit-Outdoor unit earth
+ The optional indoor power supply terminal kit is necessary.
Be sure to connect the indoor-outdoor connecting cables directly to the units (no intermediate connections). Intermediate connections can lead to communication errors if water enters the cables and causes insufficient insulation to ground or a poor electrical contact at the intermediate connection point.
3 % 1.5 (polar)
1 % Min. 1.5
3 % 2.5 (polar)
1 % Min. 2.5
Wire No. % Size ($)
Max. 120m
2 % Min. 0.3
3 % 2.5 (polar) and S3 separated
1 % Min. 2.5
22
9-4. M-NET WIRING METHOD
(Points to notice) (1) Outside the unit, transmission wires should stay away from electric wires in order to prevent electromagnetic noise from
making an influence on the signal communication. Place them at intervals of more than 5 cm. Do not put them in the same
conduit tube. (2) Terminal block (TB7) for transmission wires should never be connected to 220~240V power supply. If it is connected, electronic parts on M-NET P.C. board may burn out. (3) Use 2-core x 1.25mm2 shield wire (CVVS, CPEVS) for the transmission wire. Transmission signals may not be sent or
received normally if different types of transmission wires are put together in the same multi-conductor cable. Never do this
because this may cause a malfunction.
Group remote controller
It would be ok if M-NET wire (non-polar, 2-cores) is arranged in addition to the wiring for A-control.
(4) Ground only one of any appliances through M-NET transmission wire (shield wire). Communication error may occur due to
the influence of electromagnetic noise. “Ed” error will appear on the LED display of outdoor unit. “0403” error will appear on the central-control remote controller.
M-NET transmission wire
Power supply unit for transmission wire
A-control remote controller
Bad example (Multi spot grounding of shield wire)
Central remote controller
Power supply appliance
Refrigerant address 00
M-NET address 01
M-NET type outdoor unit
A-control remote controller
M-NET type outdoor unit
Refrigerant address 00
M-NET address 02
M-NET type outdoor unit
Refrigerant address 00
M-NET address 03
A-control remote controller
Good example 1 (Single spot grounding of shield wire)
Central remote controller
M-NET transmission wire
Good example 2 (Single spot grounding of shield wire)
Central remote controller
M-NET transmission wire
If there are more than 2 grounding spots on the shield wire, noise may enter into the shield wire because the ground wire
and shield wire form one circuit and the electric potential difference occurs due to the impedance difference among ground-
ing spots. In case of single spot grounding, noise does not enter into the shield wire because the ground wire and shield
wire do not form one circuit. To avoid communication errors caused by noise, make sure to observe the single spot grounding method described in the
installation manual.
Power supply appliance
Power supply appliance
M-NET type outdoor unit
M-NET type outdoor unit
M-NET type outdoor unit
M-NET type outdoor unit
M-NET type outdoor unit
M-NET type outdoor unit
23
M-NET wiring
2
(1) Use 2-core × 1.25mm
shield wire for electric wires. (Excluding the case connecting to system controller.) (2) Connect the wire to the M-NET terminal block. Connect one core of the transmission wire (non-polar) to A(M1) terminal and the other to B(M2). Peel the shield wire, twist the shield part to a string and connect it to S terminal. (3) In the system which several outdoor units are being connected, the terminal (A(M1), B(M2), S) on M-NET terminal block should be individually wired to the other
M-NET terminal block
ABS
Transmission
wire
Ground wire
Shield part
outdoor unit’s terminal, i.e. A(M1) to A(M1), B(M2) to B(M2) and S to S. In this case, choose one of those outdoor units
and drive a screw to fix an ground wire on the plate as shown on the right figure.
9-4-1. M-NET address setting
In A-control models, M-NET address and refrigerant address should be set only for the outdoor unit. Similar to CITY MULTI system, there is no need to set the address of outdoor unit and remote controller. To construct a central control system, the setting of M-NET address should be conducted only upon the outdoor unit. The setting range should be 1 to 50 (the same as that of the indoor unit in CITY MULTI system), and the address number should be consecutively set in a same group.
Address number can be set by using rotary switches (SW11 for ones digit and SW12 for tens digit), which is located on the M-NET board of outdoor unit. (Initial setting: all addresses are set to “0”.)
<Setting example>
M-NET Address No.
SW11
Switch setting
ones digit
SW12 tens digit
12
3
3
4
2
1
0
2
1
0
4
2
5
5
1
6
6
0
7
7
9
9
8
8
3
3
4
4
2
5
5
1
6
6
0
7
7
9
9
8
8
50
3
4
2
5
1
6
0
7
9
8
~
3
4
2
5
1
6
0
7
9
8
9-4-2. Refrigerant address setting
In case of multiple grouping system (multiple refrigerant circuits in one group), indoor units should be connected by remote controller wiring (TB5) and the refrigerant address needs to be set. Leave the refrigerant addresses to “00” if the group set­ting is not conducted. Set the refrigerant address by using DIP SW1-3 to -6 on the outdoor controller board. [Initial setting: all switches are OFF. (All refrigerant addresses are “00”.)]
Refrigerant address
ON
OFF
1
ON
OFF
1
ON
OFF
1
3
4
5
2
6
0
ON
OFF
1
3
4
5
2
6
8
ON
OFF
1
3
4
5
2
6
1
ON
OFF
1
3
4
5
2
6
9
ON
OFF
1
3
4
5
2
6
2
ON
OFF
1
3
4
5
2
6
10
ON
OFF
1
3
4
5
2
6
3
ON
OFF
1
3
4
5
2
6
11
ON
OFF
1
3
4
5
2
6
4
ON
OFF
1
3
4
5
2
6
12
ON
OFF
1
3
4
5
2
6
5
ON
OFF
1
3
4
5
2
6
13
ON
OFF
1
3
4
2
6
3
4
2
14
3
5
5
4
5
2
6
OFF
6
6
7
ON
1
3
4
5
2
6
15
9-4-3. Regulations in address settings
In case of multiple grouping system, M-NET and refrigerant address settings should be done as explained in the above sec­tion. Set the lowest number in the group for the outdoor unit whose refrigerant address is “00” as its M-NET address.
Group A Group B Group C
System controller
Power supply unit for transmission wire
Refrigerant address 00
M-NET address 01
A-control remote controller
Refrigerant address 00
M-NET address 02
A-control remote controller
TB5
w Refrigerant addresses can be overlapped if they are in the different group.
Group A Group B
System controller
Power supply unit for transmission wire
Refrigerant address 00
M-NET address 01
A-control remote controller
Refrigerant address 01
M-NET address 02
TB5
Refrigerant address 01
M-NET address 03
Refrigerant address 00
M-NET address 04
A-control remote controller
Refrigerant address 00
M-NET address 04
A-control remote controller
Refrigerant address 01
M-NET address 03
Refrigerant address 02
M-NET address 05
w In group B, M-NET address of the outdoor unit whose refrigerant address is “00” is not set to the minimum in the group. As
“3” is right for this situation, the setting is wrong. Taking group A as a good sample, set the minimum M-NET address in the group for the outdoor unit whose refrigerant address is “00”.
24
10 REFRIGERANT SYSTEM DIAGRAM
PUHZ-HRP71VHA PUHZ-HRP100VHA PUHZ-HRP100YHA PUHZ-HRP125YHA PUHZ-HRP71VHA2 PUHZ-HRP100VHA2 PUHZ-HRP100YHA2 PUHZ-HRP125YHA2
Refrigerant GAS pipe connection (5/8 inch)
Refrigerant LIQUID pipe connection (3/8 inch)
Ball valve
Linear expansion valve B
Stop valve (with service port)
Strainer #50
Charge plug (Low pressure)
Strainer #100
Strainer #100
Solenoid valve (Four-way valve)
Strainer #100
Power receiver
Linear expansion valve C
Charge plug (High pressure)
Muffler
Low pressure switch 63L
Strainer #100
High pressure sensor (63HS) (only for HRP·HA2)
High pressure switch 63H
Thermistor TH32 (Outdoor pipe)
Thermistor TH4 (Discharge)
Compressor
Injection port
Heat interchange circuit
Heat exchanger
Strainer #100
Linear expansion valve A
Refrigerant flow in cooling Refrigerant flow in heating
Thermistor TH7 (Outdoor)
Thermistor TH6 (Outdoor 2-phase pipe)
Thermistor TH3 (Outdoor pipe)
Distributor
Thermistor TH33 (Outdoor pipe)
Bypass valve
Restrictor valve
Strainer #100
Replace filter
PUHZ-HRP71VHA2R1 PUHZ-HRP100VHA2R1 PUHZ-HRP100YHA2R1 PUHZ-HRP125YHA2R1
Refrigerant GAS pipe connection (5/8 inch)
Refrigerant LIQUID pipe connection (3/8 inch)
Ball valve
Linear expansion valve B
Stop valve (with service port)
Strainer #50
Charge plug (Low pressure)
Strainer #100
Strainer #100
Solenoid valve (Four-way valve)
Strainer #100
Power receiver
Linear expansion valve C
Charge plug (High pressure)
Muffler
Low pressure switch 63L
Strainer #100
High pressure sensor (63HS) (only for HRP·HA2)
High pressure switch 63H
Thermistor TH32 (Outdoor pipe)
Thermistor TH4 (Discharge)
Linear expansion valve A
Compressor
Injection port
Heat interchange circuit
Heat exchanger
Strainer #100
Refrigerant flow in cooling Refrigerant flow in heating
Thermistor TH7 (Outdoor)
Thermistor TH6 (Outdoor 2-phase pipe)
Thermistor TH3 (Outdoor pipe)
Distributor
Thermistor TH33 (Outdoor pipe)
25
10-1. Refrigerant recovering (pump down)
Perform the following procedures to recover the refrigerant when moving the indoor unit or the outdoor unit. 1 Turn on the power supply (circuit breaker).
w When power is supplied, make sure that “CENTRALLY CONTROLLED” is not displayed on the remote controller. If
“CENTRALLY CONTROLLED” is displayed, the refrigerant recovering (pump down) cannot be completed normally.
2 After the liquid stop valve is closed, set the SWP switch on the control board of the outdoor unit to ON. The compressor
(outdoor unit) and fans (indoor and outdoor units) start operating and refrigerant recovering operation begins. LED1 and LED2 on the control board of the outdoor unit are lit.
Set the SWP switch (push-button type) to ON in order to perform refrigerant recovering operation only when the unit is
w
stopped. However, refrigerant recovering operation cannot be performed until compressor stops even if the unit is stopped.
Wait 3 minutes until compressor stops and set the SWP switch to ON again.
3 Because the unit automatically stops in about 2 to 3 minutes after the refrigerant recovering operation (LED1 is not lit and
LED2 is lit), be sure to quickly close the gas stop valve.
w In case the outdoor unit is stopped when LED1 is lit and LED2 is not lit, open the liquid stop valve completely, and then
repeat step 2 3 minutes later.
w If the refrigerant collecting operation has been completed normally (LED1 is not lit and LED2 is lit), the unit will remain
stopped until the power supply is turned off.
4 Turn off the power supply (circuit breaker).
10-2. Unit replacement operation (except for PUHZ-HRP·HA2R1)
When reusing the existing pipes that carried R22 refrigerant for the HRP71, HRP100 and HRP125 models, replacement operation must be performed before performing a test run.
1 If new pipes are used, these procedures are not necessary. 2 During replacement operation, “C5” is displayed on “A-Control Service Tool (PAC-SK52ST)”.
Replacement operation procedures
1 Turn on the power supply. 2 Set DIP switch SW8-2 on the control board of the outdoor unit to ON to start replacement operation.
The replacement operation is performed using the cooling system. Cool air will flow from the indoor unit during the replace­ment operation.
During the replacement operation, control board of the outdoor unit blink together.
3 Replacement operation requires at least 2 hours to complete.
After setting switch SW8-2 to ON, the unit automatically stops after 2 hours.
Replacement operation can be performed repeatedly by setting switch SW8-2 from OFF to ON. Make sure to perform
the operation more than 2 hours. (If the operation is performed less than 2 hours, the existing pipes cannot be cleaned enough and the unit may be damaged.)
If replacement operation is performed over 2 hours, this action is recorded into nonvolatile memory of control board.
4 Set switch SW8-2 to OFF. (Replacement operation is completed.)
w The unit can be operated normally by remote controller even if SW8-2 remains ON. w If the indoor temperature is less than 15:, the compressor will operate intermittently but the unit is not faulty.
TEST RUN
is displayed on the remote controller and LED1 (green) and LED2 (red) on the
10-3. Start and finish of test run
Operation from the indoor unit
Execute the test run using the installation manual for the indoor unit.
Operation from the outdoor unit By using the DIP switch SW4 on the control board of outdoor unit, test run can be started and finished, and its operation mode (cooling/heating) can be set up.
1 Set the operation mode (cooling/heating) using SW4-2. 2 Turn on SW4-1 to start test run with the operation mode set by SW4-2. 3 Turn off SW4-1 to finish the test run.
There may be a faint knocking sound around the machine room after power is supplied, but this is no problem with product because the linear expansion pipe is just moving to adjust opening pulse.
There may be a knocking sound around the machine room for several seconds after compressor starts operating, but this is no problem with product because the check valve itself generates the sound because pressure difference is small in the refrigerant circuit.
<SW4>

ON OFF
12

Stop Operation Cooling Heating
Note: The operation mode cannot be changed by SW4-2 during test run. (To change test run mode, stop the unit by SW4-1, change the operation mode and restart the test run by SW4-1.)
26
11 TROUBLESHOOTING
11-1. TROUBLESHOOTING
<Error code display by self-diagnosis and actions to be taken for service (summary)>
Present and past error codes are logged and displayed on the wired remote controller and control board of outdoor unit. Actions to be taken for service, which depends on whether or not the trouble is reoccurring at service, are summarized in the table below. Check the contents below before investigating details.
Unit conditions at service
The trouble is reoccurring.
The trouble is not reoccurring.
Error code
Displayed
Not displayed
Logged
Not logged
Actions to be taken for service (summary)
Judge what is wrong and take a corrective action according to “11-4. Self-diagnosis action table”.
Conduct troubleshooting and ascertain the cause of the trouble according to “11-5. Troubleshooting by inferior phenomena”.
Consider the temporary defects such as the work of protection devices in the refrigerant circuit including compressor, poor connection of wiring, noise and etc. Re-check the symptom, and check the installation environment, refrigerant amount, weather when the
trouble occurred, matters related to wiring and etc.
Reset error code logs and restart the unit after finishing service. There is no abnormality in electrical component, controller board, remote controller and etc.
Re-check the abnormal symptom.Conduct trouble shooting and ascertain the cause of the
trouble
according to “11-5. Troubleshooting
by inferior
phenomena”. Continue to operate unit for the time being if the cause is not ascertained. There is no abnormality concerning of parts such as electrical component, controller board, remote controller and etc.
11-2. CHECK POINT UNDER TEST RUN
(1) Before test run
After installation of indoor and outdoor units, piping work and electric wiring work, re-check that there is no refrigerant leak-
age, loosened connections and incorrect polarity.
Measure impedance between the ground and the power supply terminal block (L, N) on the outdoor unit by 500V Megger and check that it is 1.0M" or over.
Do not use 500V Megger to indoor/outdoor connecting wire terminal block (S1, S2, S3) and remote controller terminal block
w
(1, 2). This may cause malfunction.
Make sure that test run switch (SW4) is set to OFF before turning on power supply.
Turn on power supply 12 hours before test run in order to protect compressor.
For specific models which requires higher ceiling settings or power failure automatic recovery, make proper changes of set-
tings referring to the description of “Selection of Functions through Remote Controller”.
Make sure to read operation manual before test run. (Especially items to secure safety.)
27
"TEST RUN" and the currently selected operation mode are displayed altemately.
Displays the remaining test run time.
[TEST] button
Operating procedures
1. Turn on the main power supply.
2. Press TEST button twice.
3. Press OPERATION SWITCH button.
4. Press AIR DIRECTION button.
5. Check the outdoor unit fan for correct running.
While the room temperature display on the remote controller is “PLEASE WAIT”, the remote controller is disabled. Wait until “PLEASE WAIT” disappears before using remote controller. “PLEASE WAIT” appears for about 2 minutes after power supply is turned on. +1
The TEST RUN appears on the screen.
Cooling mode: Heating mode: Check if warm air blows. (It takes a little while until warm air blows.)
Check for correct motion of auto-vanes.
The outdoor unit features automatic capacity control to provide optimum fan speeds. Therefore, the fan keeps running at a low speed to meet the current outside air condition unless it exceeds its available maximum power. Then, in actuality, the fan may stop or run in the reverse direction depending on the outside air, but this does not mean malfunction.
Check if cool air blows and water is drained.
6. Press the ON/OFF button to reset the test run in progress.
Pipe (liquid) temperature
7. Register the contact number.
• In case of test run, the OFF timer will be activated, and the test run will automatically stop after 2 hours.
• The room temperature display section shows the pipe temperature of indoor units during the test run.
• Check that all the indoor units are running properly in case of simultaneous twin operation. Malfunctions may not be dis­played regardless of incorrect wiring. w1 After turning on the power supply, the system will go into startup mode, “PLEASE WAIT” will blink on the display section
of the room temperature, and lamp (green) of the remote controller will flash. As to INDOOR BOARD LED, LED1 will be lit up, LED2 will either be lit up in case the address is 0 or turned off in case the address is not 0. LED3 will blink. As to OUTDOOR BOARD LED, LED1 (green) and LED2 (red) will be lit up. (After the startup mode of the system fin­ishes, LED2 (red) will be turned off.)
In case OUTDOOR BOARD LED is digital display, and will be displayed alternately every second.
• If one of the above operations doesn’t function correctly, the causes written below should be considered. Find causes from the symptoms. The below symptoms are under test run mode. “startup” in the table means the display status of w1 written above.
Symptoms in test run mode
Remote Controller Display
Remote controller displays “PLEASE WAIT”, and
cannot be operated.
After power is turned on, “PLEASE WAIT” is displayed for 3 minutes, then error code is displayed.
OUTDOOR BOARD LED Display
< > indicates digital display.
After “startup” is displayed, only green lights up. <00> After “startup” is displayed, green(once) and red(once) blink alternately. <F1>
After “startup” is displayed, green(once) and red(twice) blink
• After power is turned on, “PLEASE WAIT” is displayed for 2 minutes during
system startup. (Normal)
• Incorrect connection of outdoor terminal block (L S1, S2, S3.)
• Outdoor unit’s protection device connector is open.
Cause
1, L2, L3 and
alternately. <F3, F5, F9>
• Incorrect wiring between the indoor and outdoor unit (Polarity is wrong for S1, S2, S3.)
• Remote controller transmission wire is short.
• There is no outdoor unit of address 0. (Address is other than 0.)
• Remote controller transmission wire is open.
• After canceling function selection, operation is not possible for about 30 seconds. (Normal)
No display appears even when remote controller operation switch is turned on. (Operation lamp does not light up.)
Display appears but soon disappears even when remote controller is operated.
After “startup” is displayed, green(twice) and red(once) blink alternately. <EA. Eb>
After “startup” is displayed, only green lights up. <00>
After “startup” is displayed, only green lights up. <00>
w Press the remote controller’s CHECK button twice to perform self-diagnosis. See the table below for the contents of LCD display.
LCD
Abnormality of room temperature thermistor
P1
Abnormality of pipe temperature thermistor/Liquid
P2
Abnormality of drain sensor/ Float switch connector open
P4
Drain overflow protection is operating.
P5
Freezing/overheating protection is operating.
P6
Abnormality of pipe temperature
P8
Abnormality of pipe temperature thermistor/Cond./Eva
P9
Fb
Abnormality of indoor controller board
Contents of inferior phenomena
LCD
Malfunction outdoor unit
U1~UP
Malfunction
F3~F9 E0~E5
Remote controller transmitting error Indoor/outdoor unit communication error
E6~EF
No error history
---­No applied unit
FFFF
Forced compressor stop(due to water leakage abnormality)
PA
Contents of inferior phenomena
outdoor unit
See the table below for details of the LED display (LED 1, 2, 3) on the indoor controller board.
(microprocessor power supply)
LED1
(remote controller)
LED2
(indoor/outdoor communication)
LED3
Lits when power is supplied. Lits when power is supplied for wired remote controller. The indoor unit should be connected to the outdoor unit with address “0” setting.
Blinks when indoor and outdoor unit are communicating.
28
,
ON/OFF
MODE
CHECK
TEST RUN
SET
TEST RUN
FAN
VAN E
LOUVER
RESET
CLOCK
TEMP
AUTO STOP
AUTO START
h
min
Test run [for wireless remote controller]
Measure an impedance between the power supply terminal block on the outdoor unit and ground with a 500V Megger and check that it is equal to or greater than 1.0M".
1 Turn on the main power to the unit. 2 Press the
(Start this operation from the status of remote controller display
turned off.)
TEST RUN
A 3 Press the
check whether cool air is blown out from the unit.
4 Press the
check whether warm air is blown out from the unit.
5 Press the
from the unit.
6 Press the
properly.
7 Press the ON/OFF button to stop the test run.
Note:
• Point the remote controller towards the indoor unit receiver
while following steps 2 to 7.
• It is not possible to run in FAN, DRY or AUTO mode.
TEST RUN
button twice continuously.
and current operation mode are displayed.
MODE
( ) button to activate
MODE
( ) button to activate
FAN
button and check whether strong air is blown out
VANE
button and check whether the auto vane operates
COOL
HEAT
mode, then
mode, then
29
11-3. HOW TO PROCEED “SELF-DIAGNOSIS”
11-3-1. 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.
11-3-2. 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)
).
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