Mitsubishi Electric CITY MULTI P500YMF-C, CITY MULTI PURY-P400 Service Manual
AIR CONDITIONERS CITY MULTI
Models PURY-P400, P500YMF-C
Service Handbook
Service Handbook PURY-P400, P500YMF-C
Contents
1 PRECAUTIONS FOR DEVICES THA T USE R407C REFRIGERANT..... 3
[1] Storage of Piping Material................................................................. 4
[2] Piping Machining............................................................................... 5
[3] Brazing.............................................................................................. 6
[4] Airtightness Test................................................................................ 7
[5] Vacuuming ........................................................................................ 7
[6] Charging of Refrigerant..................................................................... 8
[7] Dryer ................................................................................................. 8
2 COMPONENT OF EQUIPMENT ............................................................. 9
[1] Appearance of Components ............................................................. 9
[2] Refrigerant Circuit Diagram and Thermal Sensor ........................... 17
[3] Electrical Wiring Diagram................................................................ 20
[4] Standard Operation Data ................................................................ 24
[5] Function of Dip SW and Rotary SW................................................ 26
3 TEST RUN ............................................................................................. 29
[1] Before T est Run............................................................................... 29
[2] Test Run Method............................................................................. 33
4 GROUPING REGISTRATION OF INDOOR UNITS WITH M-NET
REMOTE CONTROLLER ...................................................................... 34
5 CONTROL.............................................................................................. 40
[1] Control of Outdoor Unit ................................................................... 40
[2] Control of BC Controller.................................................................. 49
[3] Operation Flow Chart...................................................................... 50
[4] List of Major Component Functions ................................................ 56
[5] Resistance of Temperature Sensor................................................. 59
6 REFRIGERANT AMOUNT ADJUSTMENT............................................ 60
[1] Operating Characteristics and Refrigerant Amount ........................ 60
[2] Adjustment and Judgement of Refrigerant Amount........................ 60
[3] Refrigerant Volume Adjustment Mode Operation............................ 62
7 TROUBLESHOOTING ........................................................................... 66
[1] Principal Parts................................................................................. 66
[2] BC Controller Disassembly Procedure............................................ 99
[3] Self-diagnosis and Countermeasures Depending on the Check
Code Displayed............................................................................. 104
[4] LED Monitor Display ..................................................................... 121
8 PREP ARATION, REPAIRS AND REFRIGERANT REFILLING WHEN
REP AIRING LEAKS ............................................................................. 141
[1] Location of leaks:
Extension piping or indoor units (when cooling) ...
141
[2] Location of leaks: Outdoor unit (Cooling mode)............................ 142
[3] Location of leaks:
Extension piping or indoor units (Heating mode)..
142
[4] Location of leaks: Outdoor unit (when heating)............................. 143
9 CHECK THE COMPOSITION OF THE REFRIGERANT
(PURY -P200·250YMF-C only).................................................................144
–1–
–2–
Safety precautions
Before installation and electric work
Before installing the unit, make sure you read all
the “Safety precautions”.
The “Safety precautions” provide very important
points regarding safety. Make sure you follow
them.
This equipment may not be applicable to
EN61000-3-2: 1995 and EN61000-3-3: 1995.
This equipment may have an adverse effect on
equipment on the same electrical supply system.
Please report to or take consent by the supply
authority before connection to the system.
Symbols used in the text
Warning:
Describes precautions that should be observed to
prevent danger of injury or death to the user.
Caution:
Describes precautions that should be observed to
prevent damage to the unit.
Symbols used in the illustrations
: Indicates an action that must be avoided.
: Indicates that important instructions must be followed.
: Indicates a part which must be grounded.
: Beware of electric shock (This symbol is displayed on the
main unit label.) <Color: Yellow>
Warning:
Carefully read the labels affixed to the main unit.
Warning:
• Use the specified cables for wiring. Make the connections
securely so that the outside force of the cable is not
applied to the terminals.
- Inadequate connection and fastening may generate heat and
cause a fire.
• Have all electric work done by a licensed electrician
according to “Electric Facility Engineering Standard” and
“Interior Wire Regulations”and the instructions given in
this manual and always use a special circuit.
- If the power source capacity is inadequate or electric work is
performed improperly, electric shock and fire may result.
• Securely install the cover of control box and the panel.
- If the cover and panel are not installed properly, dust or water
may enter the outdoor unit and fire or electric shock may
result.
• After completing service work, make sure that refrigerant
gas is not leaking.
- If the refrigerant gas leaks and is exposed to a fan heater,
stove, oven, or other heat source, it may generate noxious
gases.
• Do not reconstruct or change the settings of the protection
devices.
- If the pressure switch, thermal switch, or other protection
device is shorted and operated forcibly, or parts other than
those specified by Mitsubishi Electric are used, fire or
explosion may result.
▲
▲
▲
▲
▲
–3–
11
11
1 PRECAUTIONS FOR DEVICES THA T USE R407C REFRIGERANT
Caution
Do not use the existing refrigerant piping.
• The old refrigerant and refrigerator oil in the existing
piping contains a large amount of chlorine which may
cause the refrigerator oil of the new unit to deteriorate.
Use refrigerant piping made of phosphorus deoxidized copper and copper alloy seamless pipes and
tubes”. In addition, be sure that the inner and outer
surfaces of the pipes are clean and free of hazardous
sulphur, oxides, dust/dirt, shaving particles, oils,
moisture, or any other contaminant.
• Contaminants on the inside of the refrigerant piping
may cause the refrigerant residual oil to deteriorate.
Store the piping to be used during installation indoors
and keep both ends of the piping sealed until just
before brazing. (Store elbows and other joints in a
plastic bag.)
• If dust, dirt, or water enters the refrigerant cycle,
deterioration of the oil and compressor trouble may
result.
Use ester oil, ether oil or alkylbenzene (small
amount) as the refrigerator oil to coat flares and
flange connections.
• The refrigerator oil will degrade if it is mixed with a
large amount of mineral oil.
Use liquid refrigerant to seal the system.
• If gas refrigerant is used to seal the system, the composition of the refrigerant in the cylinder will change
and performance may drop.
Do not use a refrigerant other than R407C.
• If another refrigerant (R22, etc.) is used, the chlorine
in the refrigerant may cause the refrigerator oil to deteriorate.
Use a vacuum pump with a reverse flow check valve.
• The vacuum pump oil may flow back into the refrigerant cycle and cause the refrigerator oil to deteriorate.
Do not use the following tools that have been used
with conventional refrigerants.
(Gauge manifold, charge hose, gas leak detector, reverse flow check valve, refrigerant charge base,
vacuum gauge, refrigerant recovery equipment)
• If the conventional refrigerant and refrigerator oil are
mixed in the R407C, the refrigerant may deteriorated.
• If water is mixed in the R407C, the refrigerator oil
may deteriorate.
• Since R407C does not contain any chlorine, gas
leak detectors for conventional refrigerants will not
react to it.
Do not use a charging cylinder.
• Using a charging cylinder may cause the refrigerant
to deteriorate.
Be especially careful when managing the tools.
• If dust, dirt, or water gets in the refrigerant cycle, the
refrigerant may deteriorate.
If the refrigerant leaks, recover the refrigerant in the
refrigerant cycle, then recharge the cycle with the
specified amount of the liquid refrigerant indicated
on the air conditioner.
• Since R407C is a nonazeotropic refrigerant, if additionally charged when the refrigerant leaked, the composition of the refrigerant in the refrigerant cycle will
change and result in a drop in performance or abnormal stopping.
–4–
[1] Storage of Piping Material
(1) Storage location
Store the pipes to be used indoors. (Warehouse at site or owner’s warehouse)
Storing them outdoors may cause dirt, waste, or water to infiltrate.
(2) Pipe sealing before storage
Both ends of the pipes should be sealed until immediately before brazing.
Wrap elbows and T’s in plastic bags for storage.
* The new refrigerator oil is 10 times more hygroscopic than the conventional refrigerator oil (such as Suniso). Water
infiltration in the refrigerant circuit may deteriorate the oil or cause a compressor failure. Piping materials must be
stored with more care than with the conventional refrigerant pipes.
–5–
Use only the necessary minimum quantity of oil !
Reason :
1. The refrigerator oil used for the equipment is highly hygroscopic and may introduce water inside.
Notes :
• Introducing a great quantity of mineral oil into the refrigerant circuit may also cause a compressor failure.
• Do not use oils other than ester oil, ether oil or alkylbenzene.
[2] Piping Machining
Use ester oil, ether oil or alkylbenzene (small amount) as the refrigerator oil to coat flange connections.
–6–
[3] Brazing
No changes from the conventional method, but special care is required so that foreign matter (ie. oxide scale, water, dirt,
etc.) does not enter the refrigerant circuit.
Example : Inner state of brazed section
When non-oxide brazing was not used When non-oxide brazing was used
Items to be strictly observed :
1. Do not conduct refrigerant piping work outdoors on a rainy day.
2. Apply non-oxide brazing.
3. Use a brazing material (Bcup-3) which requires no flux when brazing between copper pipes or between a copper pipe
and copper coupling.
4. If installed refrigerant pipes are not immediately connected to the equipment, then braze and seal both ends of them.
Reasons :
1. The new refrigerant oil is 10 times more hygroscopic than the conventional oil. The probability of a machine failure if
water infiltrates is higher than with conventional refrigerant oil.
2. A flux generally contains chlorine. A residual flux in the refrigerant circuit may generate sludge.
Note :
• Commercially available antioxidants may have adverse effects on the equipment due to its residue, etc. When
applying non-oxide brazing, use oxygen free nitrogen (OFN).
–7–
[4] Airtightness Test
No changes from the conventional method. Note that a refrigerant leakage detector for R22 cannot detect R407C
leakage.
Halide torch R22 leakage detector
Items to be strictly observed :
1. Pressurize the equipment with nitrogen up to the design pressure and then judge the equipment’s airtightness, taking
temperature variations into account.
2. When investigating leakage locations using a refrigerant, be sure to use R407C.
3. Ensure that R407C is in a liquid state when charging.
Reasons :
1. Use of oxygen as the pressurized gas may cause an explosion.
2. Charging with R407C gas will lead the composition of the remaining refrigerant in the cylinder to change and this
refrigerant can then not be used.
Note :
• A leakage detector for R407C is sold commercially and it should be purchased.
[5] Vacuuming
1. Vacuum pump with check valve
A vacuum pump with a check valve is required to prevent the vacuum pump oil from flowing back into the refrigerant
circuit when the vacuum pump power is turned off (power failure).
It is also possible to attach a check valve to the actual vacuum pump afterwards.
2. Standard degree of vacuum for the vacuum pump
Use a pump which reaches 0.5 Torr (500 MICRON) or below after 5 minutes of operation.
In addition, be sure to use a vacuum pump that has been properly maintained and oiled using the specified oil. If the
vacuum pump is not properly maintained, the degree of vacuum may be too low.
3. Required accuracy of the vacuum gauge
Use a vacuum gauge that can measure up to 5 Torr. Do not use a general gauge manifold since it cannot measure a
vacuum of 5 Torr.
4. Evacuating time
• Evacuate the equipment for 1 hour after –755 mmHg (5 Torr) has been reached.
• After envacuating, leave the equipment for 1 hour and make sure that the vacuum is not lost.
5. Operating procedure when the vacuum pump is stopped
In order to prevent a backflow of the vacuum pump oil, open the relief valve on the vacuum pump side or loosen the
charge hose to drawn in air before stopping operation.
The same operating procedure should be used when using a vacuum pump with a check valve.
–8–
Cylin-
der
Cylin-
der
Valve
Valve
Liquid
Liquid
[6] Charging of Refrigerant
R407C must be in a liquid state when charging, because it is a non-azeotropic refrigerant.
For a cylinder with a syphon attached For a cylinder without a syphon attached
Cylinder color identification R407C-Gray Charged with liquid refrigerant
R410A-Pink
Reasons :
1. R407C is a mixture of 3 refrigerants, each with a different evaporation temperature. Therefore, if the equipment is
charged with R407C gas, then the refrigerant whose evaporation temperature is closest to the outside temperature is
charged first while the rest of refrigerants remain in the cylinder.
Note :
• In the case of a cylinder with a syphon, liquid R407C is charged without turning the cylinder up side down. Check the
type of cylinder before charging.
[7] Dryer
1. Replace the dryer when the refrigerant circuit is opened (Ex. Change the compressor, full gas leakage). Be sure to
replace the dryer with a CITY MULTI Series Y (For use with R407C).
If any other product is used, the unit will be damaged.
2. Opening the refrigerant circuit after changing to a new dryer is less than 1 hour. The replacement of the dryer should
be the last operation performed.
–9–
• PURY-P400·500YMF-C
22
22
2 COMPONENT OF EQUIPMENT
[1] Appearance of Components
Outdoor unit
Propeller fan
Heat exchanger(front)
Compressor
Propeller fan
Fan motor
Fan motor
Heat exchanger(rear)
SV block 1
SV block 2
4–way
valve
4–way valveCS circuit
Drier
CV
block 1
CV block 2
Control box
Compressor
Compressor
P500 TYPEP400 TYPE
Accumulator
–10–
Controller Box
RELAY board
FANCON board
(for MF3)
INV boardMAIN board
Choke coil (L2)
Inteligent Power
Module (IPM)
G/A board
Y-C board
SNB board
Diode stack (DS)
Magnetic contactor (52C2)
Magnetic contactor (52C1)Magnetic contactor
(52F)
Overload relay
(51C2)
FANCON board
(for MF2)
Capacitor (C2, C3)
(Smoothing capacitor)
Noise filter
(NP)
–11–
MAIN board
• PUHY / PURY
CN51
Indication distance
3-4 Compressor
ON/OFF
3-5 Trouble
CNRS3
Serial transmission to
INV board
CN3D
SW1
CNTR CNFC1
CNVCC4
Power source
for control(5V)
CN20
Power supply
3 L1
1 N
SW3SW4 SW2 SWU2 SWU1
CNS1 CNS2
CN40
CNVCC3
Power Source
for control
1-2 30V
1-3 30V
4-6 12V
5-6 5V
CN3S
CN3N
LD1
Service LED
CN41
–12–
INV board
CNDR2
Out put to
G/A board
CNTH
CN15V2
Power supply
for IPM control
CNACCT
CNAC2
Power
source
1 L2
3 N
5 G
CN52C
Control for
52C
CNFAN
Control
for MF1
CNR
CNRS2
Serial transmission
to MAIN board
SW1
CNVDC
1-4
DC-560V
CNVCC4
Power supply (5V)
CNL2
Choke coil
CNVCC2
Power supply
1-2 30V, 1-3 30V
4-6 12V, 5-6 5V
–13–
CNFAN
CNPOW
CNFC2
CN15V1
CNDR1
CNIPM1
CNE CNDC1
FANCON board
G/A board
–14–
Y -C board
SNB board
–15–
BC controller
CNTR
CN02
M-NET
transmission
CN03
CN12
Power
supply
1 EARTH
3 N
5 L
SW4 SW2 SW1SW5
–16–
RELAY 10 board
RELAY 4 board
–17–
[2] Refrigerant Circuit Diagram and Thermal Sensor
PURY-P400, 500YMF-C
: Solenoid valve
: Orifice
: Capillary
: Check valve
: Thermal sensor
: Strainer
SP : Service port
ACC : Accumulator
CV3b
BV1
BV2
ST1
TH5
CV2b
ST15
TH7
TH6
CJ2
MA
SA
CJ3
CJ1
63HS
63H1
O/S
63H2
SLEV
Comp2
Comp1
CV1b
CV1a
SV32
SV22
CP3a
TH12
TH2
TH9
Drier
CP2
TH11
ST9
ST5
ST6
ST2
21S4a
21S4b
ST3
ST4
ST8
TH3
TH4
63LS
HEXf1
HEXf3
HEXb1
HEXf2
ST14
ST13
ST12
ST11
CV5b
CV7b
SV8
SV6
SV5
SV4
SV3
SV7
SV Block 2
SV Block 1
HEXf4
HEXb2
CV4b
CV4a
CV10a
Orifice
CV9a
CV8a
CV3a
CV2a
CV5a
CV6a
CV7a
CV6b
CV Block 2
CV Block 1
*
SV22, 32: P500 only
CP3b
SV4a
SV6a
SV1
CP1
CS Circuit
–18–
CMB-P108, 1010, 1013, 1016V-FA
SVM2
TH16
TH11
TH12
SVM1
PS3
PS1
Check
valve block
Solenoid
valve block
LEV3
LEV1
TH15
Gas/liquid
separator
: Solenoid valve
: Orifice
: Capillary
: Check valve
: Thermal sensor
: Strainer
–19–
CMB-P108V-FB
Check
valve block
LEV3a
TH25
TH22
Solenoid
valve block
CP
: Solenoid valve
: Orifice
: Capillary
: Check valve
: Thermal sensor
: Strainer
–20–
[3] Electrical Wiring Diagram
PURY-P400·500YMF-C
–21–
CMB-P108·1010V-FA
5
1
2
34
4
1
2
3
1
2
3
1
2
3
SVM1
SVM2
131415
9
101112
5
6
78
4
4
5
6
87
9
12 11 10
15 14 13
16
16
1
2
3
4
1
2
3
4
1
2
3
4
1
2
3
4
1
2
3
4
1
2
3
4
1
2
3
4
1
2
3
4
SV7B
SV8B
SV9B
SV10B
SV7A
SV8A
SV9A
SV10A
SV7C
SV8C
SV9C
SV10C
SV1B
SV1A
SV1C
1
5
6
7
8
9
10
11
12
13
14
15
16
3
2
4
8
9
10
11
12
13
3
2
4
1
5
6
7
14
15
16
4
3
2
1
SV2C
SV2A
SV2B
SV3C
SV3A
SV3B
SV4C
SV4A
SV4B
SV5B
SV5A
SV5C
4
3
2
1
4
3
2
1
4
3
2
1
4
3
2
1
4
3
2
1
4
3
2
1
4
3
2
1
4
3
2
1
4
3
2
1
SV6B
SV6A
SV6C
1
2
3
4
1
2
3
4
33
2
1
2
1
X60
X21
CN46
CN36
3
1
3
1
Power source
L
N
~220V~240V 50/60Hz
Transmission line
Shield wire
CONT.board
CN38
1
3
1
CNTR
CN50CN51
7654321123456
CN02
CN12
13
7
5
3
1
7
5
3
1
7
5
3
1
7
5
3
1
7
5
3
1
7
5
3
1
3
TR
X2
X1
X30
X4
X3
X31
X6
X5
X32
X8
X7
X33
X10
X9
X34
X12
X11
X35
DC 30V
6
54
3
2
1
6
54
3
2
1
LEV3 LEV1
1
2
3
CNP1
1
2
3
CNP3
2
1
1
2
3
4
5
6
7
8
4
3
2
1
12321
CN03
CN13
CN10
CN11
CN07 CN05
TH11
TH12
TH15
TH16
PS1
PS3
22V
TB02
M2
M1
CN26
CN27
CN28
CN29
CN30
CN31
TB01
220~240V
LEV1
7654321123456
CN35
TB01
RELAY4 Board
CN32
CN33
CN34
CN39
3
1
X14
X13
X36
X37
X15
X16
X18
X17
X38
X39
X19
X20
CN52CN53
57317531753175133 3
F01
250VAC
6.3A F
T8T9
T7
T10
T1
T5
T4
T3
T2
T6
PE
3
2
1
3
2
1
EARTH
Fuse AC250V 6.3A F
F01
Terminal
T1 ~ 10
SVM1, 2
Solenoid valve
TB02
TB01
Terminal block
(for Transmission)
Solenoid valve
Solenoid valve
Solenoid valve
Terminal block
(for power source)
Pressure sensor
Expansion valve
Thermistor sensor
Transformer
NameSymbol
SV1 ~ 10A
SV1 ~ 10B
SV1 ~ 10C
TR
TH11, 12, 15, 16
LEV1, 3
PS1, 3
Note1:TB02 is terminal block for transmission.
Never connect power line to it.
<
Symbol explanation
>
–22–
CMB-P1013·1016V-FA
3
2
1
Power source
L
TB01TB01
N
~220V~240V 50/60Hz
1
2
3
SVM2
SVM1
1
3
2
8
8
9
9
10
10
11
11
12
12
13
13
3
2
4
4
1
5
5
6
6
7
7
14
14
15
15
16
16
4
3
2
1
4
3
2
1
4
3
2
1
4
3
2
1
4
3
2
1
4
3
2
1
4
3
2
1
4
3
2
1
4
3
2
1
4
3
2
1
1
2
3
4
1
2
3
4
3
3
4
4
2
2
1
1
SV11B
SV11A
SV11C
SV16C
SV16A
SV16B
SV15C
SV15A
SV15B
SV14C
SV14A
SV14B
SV13C
SV13A
SV13B
SV12C
SV12A
SV12B
131415
9
101112
5
6
78
4
4
5
6
87
9
12 11 10
15 14 13
16
16
1
2
3
4
1
2
3
4
1
2
3
4
1
2
3
4
1
2
3
4
1
2
3
4
1
2
3
4
1
2
3
4
SV7B
SV8B
SV9B
SV10B
SV7A
SV8A
SV9A
SV10A
SV7C
SV8C
SV9C
SV10C
SV1B
SV1A
SV1C
1
5
6
7
8
9
10
11
12
13
14
15
16
3
2
4
8
9
10
11
12
13
3
2
4
1
5
6
7
14
15
16
4
3
2
1
SV2C
SV2A
SV2B
SV3C
SV3A
SV3B
SV4C
SV4A
SV4B
SV5B
SV5A
SV5C
4
3
2
1
4
3
2
1
4
3
2
1
4
3
2
1
4
3
2
1
4
3
2
1
4
3
2
1
4
3
2
1
4
3
2
1
SV6B
SV6A
SV6C
1
2
3
4
1
2
3
4
33
2
1
2
1
3
1
3
1
CN36
CN46
X21
X60
Transmission line
Shield wire
1
2
3
8
7
6
5
4
3
2
1
4
CNTR
1
3
220~240V
CN35
CN31
CN30
CN29
CN28
CN27
CN26
CN38
M1
M2
TB02
TR
22V
PS3
PS1
TH16
TH15
TH12
TH11
CN32
7531
CN33
CN34
33
CN05CN07
CN11
CN10
CN13
CN02
CN03
12321
1
2
3
4
8
7
6
5
4
3
2
1
1
2
CNP3
3
2
1
CNP1
3
2
1
LEV1LEV3
1
2
3
45
6
1
2
3
45
6
DC 30V
X35
X11
X12
X34
X9
X10
X33
X7
X8
X32
X5
X6
X31
X3
X4
X30
X1
X2
X14
X13
X36
X37
X15
X16
21
CNVCC1
3
X38
X39
X17
X19
X18
X20
X45
X42
X43
X40
X44
X41
CN40
CN41
CNOUT4
CNOUT2
4
1
2
3
4
5
6
7
8
3
2
1
X48
X51
X47
X46
X50
X49
CN43
CN42
CN44
CN45
X55
X56
X52
X53
X57
X54
3
CNVCC2
12
31
753175317531
1
3
5
7
7
5
3
1
7
5
3
1
7
5
3
1
7
5
3
1
7
5
3
1
7
5
3
1
7
5
3
1
7
5
3
1
7
5
3
1
7
5
3
1
7
5
3
1
CNOUT1
CNOUT3
CN12
53
1
31
CN39
CONT.board
RELAY10 board
F01
250VAC
6.3A F
PE
EARTH
T16
T15
T14
T13
T12
T11
T8T9
T7
T10
T1
T5
T4
T3
T2
T6
3
2
1
3
2
1
Terminal
T1
~
16
Solenoid valve
SVM1, 2
PS1, 3
SV1
~
16A
SV1
~
16B
SV1
~
16C
Fuse AC250V 6.3A FF01
Symbol
Name
Pressure sensor
Terminal block
(for power source)
Solenoid valve
Solenoid valve
Solenoid valve
Terminal block
(for Transmission)
TB01
TB02
<
Symbol explanation
>
Transformer
Thermistor sensor
Expansion valve
TR
LEV1, 3
TH11, 12, 15, 16
Note1:TB02 is terminal block for transmission.
Never connect power line to it.
–23–
CMB-P108V-FB
131415
9
101112
5
6
78
4
4
5
6
87
9
12 11 10
15 14 13
16
16
1
2
3
4
2
3
4
1
2
3
4
1
2
3
4
SV7B
SV8B
SV7A
SV8A
SV7C
SV8C
1
SV1B
SV1A
SV1C
1
5
6
7
8
9
10
11
12
13
14
15
16
3
2
4
8
9
10
11
12
13
3
2
4
1
5
6
7
14
15
16
4
3
2
1
SV2C
SV2A
SV2B
SV3C
SV3A
SV3B
SV4C
SV4A
SV4B
SV5B
SV5A
SV5C
4
3
2
1
4
3
2
1
4
3
2
1
4
3
2
1
4
3
2
1
4
3
2
1
4
3
2
1
4
3
2
1
4
3
2
1
SV6B
SV6A
SV6C
1
2
3
4
1
2
3
4
33
2
1
2
1
Power source
L
N
~220V~240V 50/60Hz
Transmission line
Shield wire
CONT.board
CN38
1
3
1
CNTR
CN50
7654321
CN02
CN12
1
53
7
5
3
1
7
5
3
1
7
5
3
1
7
5
3
1
7
5
3
1
7
5
3
1
3
TR
X2
X1
X30
X4
X3
X31
X6
X5
X32
X8
X7
X33
X10
X9
X34
X12
X11
X35
DC 30V
6
54
3
2
1
LEV3
2
1
1
2
3
4
5
6
7
8
4
3
2
1
12321
CN03
CN13
CN10
CN11
CN07
TH12
TH15
22V
TB02
M2
M1
CN26
CN27
CN28
CN29
CN30
CN31
TB01
220~240V
7654321
TB01
RELAY4 Board
CN32
CN33
CN39
3
1
X14
X13
X36
X37
X15
X16
CN52
75317513
F01
250VAC
6.3A F
T8
T7
T1
T5
T4
T3
T2
T6
PE
EARTH
F01
Fuse AC250V 6.3A F
Terminal
T1
~
8
TB02
TB01
Terminal block
(for Transmission)
Solenoid valve
Solenoid valve
Solenoid valve
Terminal block
(for power source)
Expansion valve
Thermistor sensor
Transformer
Name
Symbol
SV1
~
8A
SV1
~
8B
SV1
~
8C
TR
TH12, 15
LEV3
Note1:TB02 is terminal block for transmission.
Never connect power line to it.
<
Symbol explanation
>
–24–
27.0/19 27.0/19
35.0/24.0 35.0/24.0
55
55
55
55 55
27.1 29.2
27.6/26.2/25.2 34.6/32.8/31.7
2000 300 2000 350
200 344
100 100 100 50 50 125 125 125 100 25
10 10 10 10 10 10 10 10 10 10
Hi Hi Hi Hi Hi Hi Hi Hi Hi Hi
360 360 360 340 340 410 410 410 360 280
Discharge (TH11/TH12)
Heat exchanger outlet (TH5)
Inlet
Accumulator
Outlet
Suction (Comp) (No.1/No.2)
Low pressure saturation
temperature (TH2)
Upper (TH4)
Liquid level
Lower (TH3)
Shell bottom (Comp No.1/No.2)
CS circuit (TH9)
Circulating configuration (αOC)
LEV inlet
Heat exchanger outlet
DB/WB
Set
-
m
-
kg
A
V
Pulse
Outdoor
unit
Indoor
unit
Outdoor unit
Items
Ambient temp.
Indoor unit
Piping
Condition
Indoor
Outdoor
Quantity
Quantity in operation
Model
Main pipe
Branch pipe
Total piping length
Outdoor unit
Sectional temperature
Pressure
LEV opening
Indoor unit fan notch
Refrigerant volume
Total current
Voltage
Indoor unit
BC controller (1, 3)
Oil return (SLEV)
380/400/415 380/400/415
PURY-P400YMF-C PURY-P500YMF-C
[4] Standard Operation Data
1 Cooling operation
High pressure/Low pressure
(after O/S) (before MA)
kg/cm2G
(MPa)
°C
92/102 97/102
42
45
67
6/12 12/12
1
30
1
60/51 65/50
16
0.23
26
12
21.5/4.4 21.5/4.3
(2.11/0.43) (2.11/0.42)
20.5/20.5 20.5/20.5
(2.01/2.01) (2.01/2.01)
BC
controller
High/Intermediate
–25–
20.0/- 20.0/-
7.0/6.0 7.0/6.0
55
55
55
55 55
27.1 29.2
25.6/24.3/23.4 32.1/30.5/29.4
60 1400 60 1600
122
Discharge (TH11/TH12)
Heat exchanger inlet (TH5)
Inlet
Accumulator
Outlet
Suction (Comp) (No.1/No.2)
Low pressure saturation
temperature (TH2)
Upper (TH4)
Liquid level
Lower (TH3)
Shell bottom (Comp No.1/No.2)
CS circuit (TH9)
Circulating configuration (αOC)
Heat exchanger inlet
LEV inlet
100 100 100 50 50 125 125 125 100 25
10 10 10 10 10 10 10 10 10 10
Hi Hi Hi Hi Hi Hi Hi Hi Hi Hi
600 600 600 450 450 650 650 650 600 350
DB/WB
Set
-
m
-
kg
A
V
Pulse
Outdoor unit
Items
Ambient temp.
Indoor unit
Piping
Condition
Indoor
Outdoor
Quantity
Quantity in operation
Model
Main pipe
Branch pipe
Total piping length
Outdoor
unit
Indoor
unit
Outdoor unit
Sectional temperature
Pressure
LEV opening
Indoor unit fan notch
Refrigerant volume
Total current
Voltage
Indoor unit
BC controller (1, 3)
Oil return (SLEV)
380/400/415 380/400/415
PURY-P400YMF-C PURY-P500YMF-C
2 Heating operation
20.5/17.5 20.5/17.5
(2.01/1.72) (2.01/1.72)
kg/cm2G
(MPa)
°C
High pressure/Low pressure
(after O/S) (before MA)
88/93 88/93
– 3 – 1
– 6 – 7
– 6 – 7
– 5/2 – 5/0
– 10
30
– 6
43/45 40/33
5
0.28
81
34
21.5/3.6 21.5/3.2
(2.11/0.35) (2.11/0.31)
BC
controller
High/Intermediate
–26–
Function According to Switch Operation Switch Set Timing
When Off When On When Off When On
SWU 1 ~ 2
SW1
1 ~ 8
Refer to LED monitor display on the outdoor board.
9 ~ 10
SW2
1
2
3
4
5
6
7
8
9
10
SW3
1
2
3
4
5
6
7
8
9
10
SW4
1
2
3
4
5
6
7
8
9
10
Centralized control not
connected.
Storing of refrigeration
system connection
information.
Store IC•OC error history.
Ordinary control
-
Ordinary control
When the CS circuit is
closed, that time is totaled.
SW3-2 Function Invalid
Stop all indoor units.
– 8°C
7°C
Ordinary control
Ordinary control
Ordinary control
-
-
Model 400
SW4-2 Function invalid
-
-
-
-
-
-
-
-
[5] Function of Dip SW and Rotary SW
(1) Outdoor unit
PURY-P400·500YMF-C.
1 Variable capacity unit
MAIN board
Centralized control
connected.
Deletion of refrigeration
system connection
information.
Erase IC•OC error history.
• Refrigerant volume
adjustment operation.
• Ignore liquid level errors
-
Start forced defrosting.
Timer Reset
SW3-2 Function Valid
All indoor units test run
ON.
– 10°C
12°C
2deg lower than normal
Pump Down Operation
High pressure / 1.5 ~ 2.5 K
higher than normal
-
-
Model 500
SW4-2 Function valid
-
-
-
-
-
-
-
-
Changes as shown below by on → off change
0 %→3 %→6 %→9 %→12 %→ – 6 %→ – 3 %→0 %
Unit Address Setting
For self diagnosis/
operation monitoring
Centralized Control
Switch
Deletion of connection
information.
Deletion of error history.
• Adjustment of Refrigerant Volume
• Ignore liquid level errors
-
-
Forced defrosting
Reset of the time the CS
circuit is closed.
SW3-2 Function Valid/
Invalid
Indoor Unit Test Operation
Defrosting start temperature .
Defrosting end temperature.
Target low-pressure
change
Pump Down Function
Target high-pressure
change
-
-
Models
SW4-2 Function valid/
Invalid
Configuration compensation value
-
-
-
-
-
-
-
-
Switch Function
During normal
operation when
power is on.
Invalid 2 hours
after compressor
starts.
Before power is turned on.
-
Before power is turned on.
Before power is turned on.
During normal operation when
power is on.
-
-
During normal operation when
power is on.
During normal operation when
power is on.
When SW3-1 is ON after power is
turned on.
During normal operation when
power is on.
During normal operation when
power is on. (Except during
defrosting)
During normal operation when
power is on.
While the compressor is stopped.
During normal operation when
power is on.
-
When switching on the power.
When switching on the power.
When SW4-1 is ON
-
-
-
-
-
-
-
-
During normal
operation when
power is on.
10 minutes or
more after
compressor
starts.
Set on 51 ~ 100 with the rotary switch.*2
Note 1: Factory setting is SWU 1 to 2 = 00, SW3 - 10 = set by model. All other switches are set to OFF.
Note 2: If the address is set from 01 to 50, it automatically becomes 100.
–27–
(2) Indoor unit
DIP SW1, 3
Model P71 P80 P100 P125 P140 P200 P250
Capacity (model name) code
14 16 20 25 28 40 50
SW2 setting
Model P20 P25 P32 P40 P50 P63
Capacity (model name) code
45 681013
SW2 setting
ON
OFF
ON
OFF
ON
OFF
ON
OFF
ON
OFF
ON
OFF
ON
OFF
ON
OFF
ON
OFF
ON
OFF
ON
OFF
ON
OFF
ON
OFF
Note 1: The shaded part indicates the setting at factory shipment. (For the SW not being shaded, refer to the
table below.)
Note 2: The DipSW setting is only effective during unit stopping (remote controller OFF) for SW1, 2, 3 and 4 commonly
and the power source is not required to reset.)
3: When both SW1-7 and SW1-8 are being set to ON, the fan stops at the heating thermostat of OFF.
Setting of DIP SW2
Model
Switch
SW1
SW3
3
6
7
3
4
6
8
PLFY-P
VBM-A
OFF
OFF
VLMD-A
VKM-A
OFF
ON
ON
ON
OFF
OFFONON
PEFY-P
VML-A VMH-A
20~80VMM-A
100~140VMM-A
OFF
OFF ON
OFF ON
ON
ON
OFF
OFF
OFF
OFF
ON OFF
ON OFF ON
ON
OFF
PDFY-P
PFFY-P PCFY-P
PKFY-P
VM-A
ON
VLRM-A, VLEM-A
OFF
VGM-AONVAM-A VGM-A
OFF
OFF
Indoor unit inlet
None
100h
Ineffective
Fan output display
At stationary heating
Very low speed
SW1-7 setting
Ineffective
Ineffective
Heat pump
None
None
None
1st setting
Down blow B, C
–
Effective
–
–
Built in remote controller
Provided
2500h
Effective
Thermo. ON signal display
Always at heat.
Low speed
Set airflow
Effective
Effective
Cool.only
Provided
Provided
Provided
2nd setting
Horizontal
–
Ineffective
–
–
Room temp. sensor position
Clogged filter detect.
Filter duration
OA intake
Remote display select.
Humidifier control
Heating thermo. OFF airflow
Heating thermo. OFF airflow
Power failure automatic
return
Power source start/stop
Model selection
Louver
Vane
Vane swing function
Vane horizontal angle
Vane angle set for cooling
–
Heating 4deg up
–
–
Always ineffective for PKFY-P.VAM
Not provided for PKFY-P.VAM
Provided for PLFY-P.VGM (ON) setting
Always down blow B,C for PKFY-P.VAM
Horizontal (ON) setting for PLFY-P.VLMD
Ineffective (ON) setting for floor
standing
SW1
SW3
1
2
3
4
5
6
7
8
9
10
1
2
3
4
5
6
7
8
9
10
Switch SW name
Operation by SW
Switch set timing
OFF ON OFF ON
Remarks
At unit stopping
(at remote
controller OFF)
Cooling capacity saving
for PKFY-P. VAM,
effective/ineffective
–28–
Ceiling height
3 3.5 m
2 2.8 m
1 2.3 m
Setting of DIP SW4 Setting of DIP SW5
1234
ON OFF ON OFF
––––
ON OFF ON OFF
OFF OFF OFF ON
ON OFF OFF ON
OFF ON OFF ON
OFF OFF ON ON
––––
ON ON OFF OFF
OFF OFF OFF –
ON ON ON –
OFF OFF OFF –
ON OFF OFF –
OFF OFF ON –
ON ON ON OFF
PMFY-P-VBM-A
PLFY-P-VLMD-A
PDFY-P20 ~ 80VM-A
PLFY-P40 ~ 63VKM-A
PLFY-P80 ~ 125VKM-A
PCFY-P-VGM-A
PKFY-P-VGM-A
PKFY-P-VAM-A
PEFY-P20 ~ 80VMM-A
PFFY-P-VLEM-A, P-VLRM-A
PEFY-P20 ~ 32VML-A
PEFY-P40 ~ 140VMH-A
PEHY-P200·250VMH-A
PDFY-P100·125VM-A
PEFY-P100 ~ 140VMM-A
Model Circuit board used
SW4
Switch Function Operation by switch Switch set timing
SWA
SWA
SWA
SWB
SWC
Ceiling height setting
External static
pressure setting
For options
Setting of air outlet opening
Airflow control
(PLFY-P-VKM-A) (PCFY-P-VGM-A)
(PLFY-P-VLMD-A)
(PLFY-P-VKM-A)
(PLFY-P-VKM-A, PCFY-P-VGM-A, PKFY-P-VGM-A, PDFY-P-VM-A)
Phase control
Relay selection
*The ceiling
height is
changed by
SWB setting.
*As this switch is used by interlocking with SWC,
refer to the item of SWC for detail.
SWA
SWB
123
2-way 3.5 m 3.8 m 3.8 m
3-way 3.0 m 3.3 m 3.5 m
4-way 2.7 m 3.0 m 3.5 m
*Set to the option to install the high efficiency
filter
Always after powering
Always after powering
Always after powering
Always after powering
Always after powering
3
1
2
2-way
4-way
3-way
3
1
2
3
1
2
3
1
2
220V
240V
Option
Standard
(PDFY-P20 ~ 80VM-A, PEFY-P20 ~ 80VMM-A)
100Pa
50Pa
30Pa
*
For other models, change the setting of static pressure by replacing the connector.
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