Mitsubishi Electric Mr.SLIM PUH-P1VGAA Operating manual

TECHNICAL & SERVICE MANUAL
SPLIT-TYPE, HEAT PUMP AIR CONDITIONERS
SPLIT-TYPE, AIR CONDITIONERS
CONTENTS
1. TECHNICAL CHANGES·································3
2. SAFETY PRECAUTION··································4
3. COMBINATION OF INDOOR AND OUTDOOR UNITS ···6
4. PART NAMES AND FUNCTIONS··················7
5. SPECIFICATIONS···········································8
6. DATA·····························································17
7. OUTLINES AND DIMENSIONS····················20
8. WIRING DIAGRAM·······································24
9. WIRING SPECIFICATIONS··························30
10. REFRIGERANT SYSTEM DIAGRAM ··············31
11. TROUBLESHOOTING···································35
12. DISASSEMBLY PROCEDURE ·····················49
13. PARTS LIST··················································53
14. OPTIONAL PARTS························Back Cover
Outdoor unit
[model names]
PUH-P1VGAA
PUH-P1.6VGAA PU-P1.6VGAA
PUH-P1.6YGAA PU-P1.6YGAA
PUH-P2VGAA PU-P2VGAA
PUH-P2YGAA PU-P2YGAA
PUH-P2.5VGAA PU-P2.5VGAA
PUH-P2.5YGAA PU-P2.5YGAA
PUH-P3VGAA PU-P3VGAA
PUH-P3YGAA PU-P3YGAA
PUH-P4VGAA PU-P4VGAA
PUH-P4YGAA PU-P4YGAA
PUH-P5YGAA PU-P5YGAA
PUH-P6YGAA PU-P6YGAA
No.OC261
REVISED EDITION-D
R407C
Model name indication
Revision:
“13. PARTS LIST” has been modified.
• Please void OC261 REVISED EDITION-C.
[Service Ref.]
Service Ref. is on page 2.
OC261-D--1.qxp 05.2.18 11:07 AM Page 1

2
[Service Ref.]
PUH-P1VGAA.UK
PUH-P1.6VGAA.UK PU-P1.6VGAA.UK
PUH-P1.6YGAA.UK PU-P1.6YGAA.UK
PUH-P2VGAA.UK PU-P2VGAA.UK
PUH-P2YGAA.UK PU-P2YGAA.UK
PUH-P2.5VGAA.UK PU-P2.5VGAA.UK
PUH-P2.5YGAA.UK PU-P2.5YGAA.UK
PUH-P3VGAA.UK PU-P3VGAA.UK
PUH-P3YGAA.UK PU-P3YGAA.UK
PUH-P4VGAA.UK PU-P4VGAA.UK
PUH-P4YGAA.UK PU-P4YGAA.UK
PUH-P5YGAA.UK PU-P5YGAA.UK
PUH-P6YGAA.UK PU-P6YGAA.UK
PUH-P1VGAA1.UK
PUH-P1.6VGAA1.UK PU-P1.6VGAA1.UK
PUH-P1.6YGAA1.UK PU-P1.6YGAA1.UK
PUH-P2VGAA1.UK PU-P2VGAA1.UK
PUH-P2YGAA1.UK PU-P2YGAA1.UK
PUH-P2.5VGAA1.UK PU-P2.5VGAA1.UK
PUH-P2.5YGAA1.UK PU-P2.5YGAA1.UK
PUH-P3VGAA1.UK PU-P3VGAA1.UK
PUH-P3YGAA1.UK PU-P3YGAA1.UK
PUH-P4VGAA1.UK PU-P4VGAA1.UK
PUH-P4YGAA1.UK PU-P4YGAA1.UK
PUH-P5YGAA1.UK PU-P5YGAA1.UK
PUH-P6YGAA1.UK PU-P6YGAA1.UK
PUH-P5YGAA2.UK PU-P5YGAA2.UK
PUH-P6YGAA2.UK PU-P6YGAA2.UK
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3
1 TECHNICAL CHANGES
REVISED EDITION-A
PUH-P1, P1.6, P2, P2.5, P3, P4VGAA.UK ➔PUH-P1, P1.6, P2, P2.5, P3, P4VGAA1.UK
PUH-P1.6, P2, P2.5, P3, P4YGAA.UK ➔PUH-P1.6, P2, P2.5, P3, P4YGAA1.UK
PU-P1.6, P2, P2.5, P3, P4VGAA.UK ➔PU-P1.6, P2, P2.5, P3, P4VGAA1.UK
PU-P1.6, P2, P2.5, P3, P4YGAA.UK ➔PU-P1.6, P2, P2.5, P3, P4YGAA1.UK
● Strainer (#50) for stop valve of liquid pipe side and Filter Drier are not used.
REVISED EDITION-A
PUH-P1, P1.6, P2, P2.5, P3, P4VGAA.UK ➔PUH-P1, P1.6, P2, P2.5, P3, P4VGAA1.UK
PUH-P1.6, P2, P2.5, P3, P4, P5, P6YGAA.UK ➔PUH-P1.6, P2, P2.5, P3, P4, P5, P6YGAA1.UK
PU-P1.6, P2, P2.5, P3, P4VGAA.UK ➔PU-P1.6, P2, P2.5, P3, P4VGAA1.UK
PU-P1.6, P2, P2.5, P3, P4, P5, P6YGAA.UK ➔PU-P1.6, P2, P2.5, P3, P4, P5, P6YGAA1.UK
●Microcomputer of Outdoor Controller Board has changed since Filter Drier is not used.
(The limit of discharging temperature has been added.)
REVISED EDITION-A
PUH-P5YGAA.UK ➔PUH-P5YGAA1.UK
● The method of connecting the Compressor’s terminals has changed from Faston type to Screw type.
REVISED EDITION-B
PUH-P5YGAA1.UK PUH-P6YGAA1.UK
PU-P5YGAA1.UK PU-P6YGAA1.UK
● Compressor has changed due to the change in refrigerant oil.
Refrigerant oil : 3MA-POE ➔3MAW-POE
Compressor model : ZR61KCE-TFD-522 ➔ZR61KCW-TFD-522
ZR72KCE-TFD-522 ➔ZR72KCW-TFD-522
REVISED EDITION-C
PUH-P5YGAA1.UK ➔PUH-P5YGAA2.UK
PUH-P6YGAA1.UK ➔PUH-P6YGAA2.UK
PU-P5YGAA1.UK ➔PU-P5YGAA2.UK
PU-P6YGAA1.UK ➔PU-P6YGAA2.UK
● Compressor has been changed.
Compressor model : ZR61KCW-TFD-522 ➔BE82YADMT
ZR72KCW-TFD-522 ➔BE96YADMT
Revision:
“13. PARTS LIST ” has been modified on page 59.
Service Ref.
Page IncorrectRevise point Correct
59
STRUCTURAL PARTS
No.12 BASE S70 H13 686S70 E13 686
PUH-P5YGAA2.UK
PUH-P6YGAA2.UK
PU-P5YGAA2.UK
PU-P6YGAA2.UK
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4
2SAFETY PRECAUTION
Cautions for using with the outdoor unit which adopts R407C refrigerant.
·Do not use the existing refrigerant piping.
-The old refrigerant and refrigerant oil in the existing piping contains a large amount of chlorine which may cause the refriger-
ant oil of the new unit to deteriorate.
· Do not use copper pipes which are broken, deformed or discolour .
In addition, be sure that the inner surfaces of the pipes are clean, free of hazardous sulphur and oxides, or have no dust /
dirt, shaving particles, oils, moisture or any other contamination.
-If there is a large amount of residual oil (hydraulic oil, etc.) inside the piping and joints, deterioration of the refrigerant oil will
result.
· 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 alkyl benzene (small amount) as the refrigerant oil to coat flares and flange connections.
-The refrigerant oil will degrade if it is mixed with a large amount of mineral oil.
Use liquid refrigerant to fill the system.
-If gas refrigerant is used to fill 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 refrigerant 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 refrigerant oil to deteriorate.
· Do not use the following tools that are used with conventional refrigerant.
(Gauge manifold , charge hose, gas leak detector, reverse flow check valve, refrigerant charge base, vacuum gauge,
refrigerant recovery equipment)
-If the conventional refrigerant and refrigerant oil are mixed in the R407C, the refrigerant may deteriorated.
-If water is mixed in the R407C, the refrigerant oil may deteriorate.
-Since R407C does not contain any chlorine, gas leak detectors for conventional refrigerant 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.
· Do not use the drier which is sold in the field.
-The drier for R407C refrigerant is pre-attached to outdoor unit refrigerant circuit.
-Some drier in the field are not in conformity with R407C refrigerant.
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5
[3] Refrigerant recharging
(1) Refrigerant recharging process
1Direct charging from the cylinder.
·R407C cylinder are available on the market has a syphon pipe.
·Leave the syphon pipe cylinder standing and recharge it.
(By liquid refrigerant)
(2) Recharge in refrigerant leakage case
·After recovering the all refrigerant in the unit, proceed to working.
·Do not release the refrigerant in the air.
·After completing the repair service, recharge the cycle with the specified amount of
liquid refrigerant.
Gravimeter
Unit
[1] Service tools
Use the below service tools as exclusive tools for R407C refrigerant.
No. Tool name Specifications
1Gauge manifold ·Only for R407C.
·Use the existing fitting SPECIFICATIONS. (UNF7/16)
·Use high-tension side pressure of 3.43MPa·G or over.
2Charge hose ·Only for R407C.
·Use pressure performance of 5.10MPa·G or over.
3Electronic scale
4Gas leak detector ·Use the detector for R407C.
5Adapter for reverse flow check. ·Attach on vacuum pump.
6Refrigerant charge base.
7Refrigerant cylinder. ·For R407C ·Top of cylinder (Brown)
·Cylinder with syphon
8Refrigerant recovery equipment.
[2] Notice on repair
·After recovering the all refrigerant in the unit, perform repair work.
·Do not release refrigerant in the air.
·After completing the repair work, recharge the specified amount of liquid refrigerant.
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6
3 COMBINATION OF INDOOR AND OUTDOOR UNITS
Heat pump type Outdoor unit
PUH-P • GAA.UK
PUH-P • GAA1.UK
PUH-P • GAA2.UK···(Only 5Y 6Y)
Cooling only type
PU-P • GAA.UK
PU-P • GAA1.UK
PU-P • GAA2.UK···(Only 5Y 6Y)
PEHD-P·EAH
PCH-P·GAH 1
PKH-P·GALH 1
PKH-P·FALH 2
PSH-P·GAH 1
PLH-P·KAH 1 .UK
PLH-P·AAH 1 .UK
PEAD-P·EA
PCA-P·GA 1
PKA-P·GAL 1
PKA-P·FAL 2
PSA-P·GA 1
PLA-P · KA 1 .UK
PLA-P · AA 1 .UK
PMH-P·BA 1
PMH-P·BA 2
PCA-P·HA
MEE 01K048
OC182
OC176
OC175
OC212
OC235
OC236
MEE 01K048
OC182
OC176
OC175
OC212
OC240
OC241
OC238
OC279
OC289
Y
—
—
—
—
—
—
—
—
—
—
—
—
—
Y
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—
—
—
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Y
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—
Y
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V
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Y
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V
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V
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Y
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Y
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Y
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Y
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V
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V
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Y
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Y
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V
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V
—
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Y
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—
—
—
—
Indoor unit
1.6Service
Manual No.
Service Ref. 2 2.5 3 4 5 6 1.6 2 2.5 3 4 5 6
Heat pump with electric heater
Heat pump without
electric heater or Cooling only
REVISED
EDITION-B
REVISED
EDITION-B
REVISED
EDITION-B
REVISED
EDITION-B
REVISED
EDITION-A
REVISED
EDITION-A
REVISED
EDITION-A
REVISED
EDITION-B
REVISED
EDITION-B
REVISED
EDITION-B
REVISED
EDITION-A
REVISED
EDITION-A
REVISED
EDITION-A
1
V
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V
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V
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Y
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Y
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—
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7
4 PART NAMES AND FUNCTIONS
CHARGELESS SYSTEM
PRE-CHARGED REFRIGERANT IS SUPPLIED FOR PIPING LENGTH AT SHIPMENT.
PU/PUH-P1, P1.6, P2, P2.5 : max 20m
PU/PUH-P3, P4, P5, P6 : max 30m
The refrigerant circuit with LEV(Linear Expansion Valve) and a large accumulator always control the optimal refrigerant
level regardless of the length (20/30m max. and 5m min.) of piping. The additional refrigerant charging work during
installation often causes problems. Heretofore it is completely eliminated. This unique system improves the quality
and reliability of the work done.It also helps to speed up the installation time.
Air intake
Air outlet
(Expels warm air during cooling)
Air intake
Air outlet
Air intake Air outlet
Air intake
Air outlet
PUH-P1VGAA.UK
PU/PUH-P1.6VGAA.UK
PU/PUH-P1.6YGAA.UK
PUH-P1VGAA1.UK
PU/PUH-P1.6VGAA1.UK
PU/PUH-P1.6YGAA1.UK
PU/PUH-P2VGAA.UK PU/PUH-P2YGAA.UK
PU/PUH-P2.5VGAA.UK PU/PUH-P2.5YGAA.UK
PU/PUH-P3VGAA.UK PU/PUH-P3YGAA.UK
PU/PUH-P2VGAA1.UK PU/PUH-P2YGAA1.UK
PU/PUH-P2.5VGAA1.UK PU/PUH-P2.5YGAA1.UK
PU/PUH-P3VGAA1.UK PU/PUH-P3YGAA1.UK
PU/PUH-P4VGAA.UK
PU/PUH-P4YGAA.UK
PU/PUH-P4VGAA1.UK
PU/PUH-P4YGAA1.UK
PU/PUH-P5YGAA.UK
PU/PUH-P6YGAA.UK
PU/PUH-P5YGAA1.UK
PU/PUH-P6YGAA1.UK
PU/PUH-P5YGAA2.UK
PU/PUH-P6YGAA2.UK
OC261-D--1.qxp 05.2.18 11:07 AM Page 7

8
5 SPECIFICATIONS
kW
A
A
kW
W
kW
K
/min(CFM )
dB
dB
mm(in.)
mm(in.)
mm(in.)
kg(lbs)
kg(lbs)
L
mm(in.)
mm(in.)
Function
Power supply (phase, cycle, voltage)
Input
Running current
Starting current
External finish
Refrigerant control
Compressor
Model
Motor output
Starter type
Protection devices
Crankcase heater
Heat exchanger
Fan Fan(drive) oNo.
Fan motor output
Airflow
Defrost method
Noise level
Dimensions
Weight
Refrigerant
Charge
Oil (Model)
Pipe size O.D.
Connection method
Between the indoor &
outdoor unit
OUTDOOR UNIT
REFRIGERANT PIPING
Cooling
Heating
W
D
H
Liquid
Gas
Indoor side
Outdoor side
Height difference
Piping length
Notes1.Rating Conditions (ISO T1)
Cooling :Indoor : D.B. 27˚C(80˚F), W.B. 19˚C(66˚F) Outdoor : D.B. 35˚C(95˚F), W.B. 24˚C(75˚F)
Heating :Indoor : D.B. 20˚C(68˚F) Outdoor : D.B. 7˚C(45˚F), W.B. 6˚C(43˚F)
Refrigerant piping length (one way) : 5m (16ft)
3. Above data based on indicated voltage
Indoor Unit 1 phase 240V 50Hz
Outdoor Unit 1 phase 240V 50Hz / 3 phase 415V 50Hz
2. Guaranteed operating range
Upper limit
Lower limit
Upper limit
Lower limit
Indoor
D.B. 35˚C, W.B. 22.5˚C
D.B. 19˚C, W.B. 15˚C
D.B. 28˚C
D.B. 17˚C
Outdoor
D.B. 46˚C
D.B. -5˚C
D.B. 24˚C, W.B. 18˚C
D.B. -11˚C, W.B. -12˚C
Cooling
Heating
Service Ref. PUH-P1VGAA.UK
PUH-P1VGAA1.UK PUH-P1.6VGAA / YGAA.UK
PUH-P1.6VGAA1/ YGAA1.UK
Cooling
1.11
4.92
Single,50Hz,220/230/240V
30
RE189VHSMT
0.9
45(1,590)
46
48
50(110)
1.7(3.8)
6.35(1/4)
12.7(1/2)
Max. 30m
Max. 30m
Munsell 5Y 7/1
Linear Expansion Valve
Hermetic
Line start
30
Plate fin coil
Propeller (direct) o1
0.07
Reverse cycle
900(35-7/16)
330+20(13+3/4)
650(25-5/8)
R407C
0.57(Ester)MEL56
Flared
Flared
Heating
1.02
4.52
Cooling
1.59
7.36 / 2.49
Single,50Hz,220/230/240V / 3-ph,50Hz,380/400/415V
36/20
RE277VHSMT/RE277YFKM
1.3
45(1,590)
47
49
55(121)
2.5(5.5)
9.52(3/8)
15.88(5/8)
Max. 40m
Max. 40m
Heating
1.64
7.59 / 2.56
Internal thermostat
HP switch
Discharge thermo
Thermal relay
HP switch
Discharge thermo
Internal thermostat
HP switch
Discharge thermo
5-1. SPECIFICATIONS
5-1-1. Heat pump
OC261-D--1.qxp 05.2.18 11:07 AM Page 8

9
kW
A
A
kW
W
kW
K
/min(CFM )
dB
dB
mm(in.)
mm(in.)
mm(in.)
kg(lbs)
kg(lbs)
L
mm(in.)
mm(in.)
Function
Power supply (phase, cycle, voltage)
Input
Running current
Starting current
External finish
Refrigerant control
Compressor
Model
Motor output
Starter type
Protection devices
Crankcase heater
Heat exchanger
Fan Fan(drive) oNo.
Fan motor output
Airflow
Defrost method
Noise level
Dimensions
Weight
Refrigerant
Charge
Oil (Model)
Pipe size O.D.
Connection method
Between the indoor &
outdoor unit
OUTDOOR UNIT
REFRIGERANT PIPING
Cooling
Heating
W
D
H
Liquid
Gas
Indoor side
Outdoor side
Height difference
Piping length
Notes1.Rating Conditions (ISO T1)
Cooling :Indoor : D.B. 27˚C(80˚F), W.B. 19˚C(66˚F) Outdoor : D.B. 35˚C(95˚F), W.B. 24˚C(75˚F)
Heating :Indoor : D.B. 20˚C(68˚F) Outdoor : D.B. 7˚C(45˚F), W.B. 6˚C(43˚F)
Refrigerant piping length (one way) : 5m (16ft)
3. Above data based on indicated voltage
Indoor Unit 1 phase 240V 50Hz
Outdoor Unit 1 phase 240V 50Hz / 3 phase 415V 50Hz
2. Guaranteed operating range
Upper limit
Lower limit
Upper limit
Lower limit
Indoor
D.B. 35˚C, W.B. 22.5˚C
D.B. 19˚C, W.B. 15˚C
D.B. 28˚C
D.B. 17˚C
Outdoor
D.B. 46˚C
D.B. -5˚C
D.B. 24˚C, W.B. 18˚C
D.B. -11˚C, W.B. -12˚C
Cooling
Heating
Service Ref. PUH-P2VGAA / YGAA.UK
PUH-P2VGAA1/ YGAA1.UK PUH-P2.5VGAA / YGAA.UK
PUH-P2.5VGAA1/ YGAA1.UK
Cooling
2.29
10.26 / 3.70 62 / 31
NE36VMJMT / NE36YEKMT
1.6
55(1,940)
49
71(157)
2.6(5.7)
Max. 40m
Max. 40m
Single, 50Hz, 220/230/240V / 3-ph, 50Hz, 380/400/415V(4wires)
Munsell 5Y 7/1
Linear Expansion Valve
Hermetic
Line start
38
Plate fin coil
Propeller (direct) o1
0.07
Reverse cycle
48
900(35-7/16)
330+20(13+3/4)
855(33-5/8)
R407C
1.2 (Ester)MEL56
9.52(3/8)
15.88(5/8)
Flared
Flared
Heating
2.36
10.57 / 3.82
Cooling
2.77
11.90 / 4.48 77 / 35
NE41VMJMT / NE41YEKMT
1.9
50(1,770)
50
82(181)
3.1(6.8)
Max. 50m
Max. 50m
Heating
2.68
11.51 / 4.34
Internal thermostat
HP switch
Discharge thermo
Thermal relay
HP switch
Discharge thermo
OC261-D--1.qxp 05.2.18 11:07 AM Page 9

10
kW
A
A
kW
W
kW
K
/min(CFM )
dB
dB
mm(in.)
mm(in.)
mm(in.)
kg(lbs)
kg(lbs)
L
mm(in.)
mm(in.)
Function
Power supply (phase, cycle, voltage)
Input
Running current
Starting current
External finish
Refrigerant control
Compressor
Model
Motor output
Starter type
Protection devices
Crankcase heater
Heat exchanger
Fan Fan(drive) oNo.
Fan motor output
Airflow
Defrost method
Noise level
Dimensions
Weight
Refrigerant
Charge
Oil (Model)
Pipe size O.D.
Connection method
Between the indoor &
outdoor unit
OUTDOOR UNIT
REFRIGERANT PIPING
Cooling
Heating
W
D
H
Liquid
Gas
Indoor side
Outdoor side
Height difference
Piping length
Notes1.Rating Conditions (ISO T1)
Cooling :Indoor : D.B. 27˚C(80˚F), W.B. 19˚C(66˚F) Outdoor : D.B. 35˚C(95˚F), W.B. 24˚C(75˚F)
Heating :Indoor : D.B. 20˚C(68˚F) Outdoor : D.B. 7˚C(45˚F), W.B. 6˚C(43˚F)
Refrigerant piping length (one way) : 5m (16ft)
3. Above data based on indicated voltage
Indoor Unit 1 phase 240V 50Hz
Outdoor Unit 1 phase 240V 50Hz / 3 phase 415V 50Hz
2. Guaranteed operating range
Upper limit
Lower limit
Upper limit
Lower limit
Indoor
D.B. 35˚C, W.B. 22.5˚C
D.B. 19˚C, W.B. 15˚C
D.B. 28˚C
D.B. 17˚C
Outdoor
D.B. 46˚C
D.B. -5˚C
D.B. 24˚C, W.B. 18˚C
D.B. -11˚C, W.B. -12˚C
Cooling
Heating
Service Ref. PUH-P4VGAA / YGAA.UK
PUH-P4VGAA1/ YGAA1.UK
PUH-P3VGAA / YGAA.UK
PUH-P3VGAA1/ YGAA1.UK
Cooling
3.27
14.81 / 5.29 93 / 47
NE52VNJMT / NE52YDKMT
2.5
Propeller (direct) o1
0.07
50(1,770)
49
51
855(33-5/8)
82(181)
3.3(7.3)
15.88(5/8)
Single, 50Hz, 220/230/240V / 3-ph, 50Hz, 380/400/415V(4wires)
Munsell 5Y 7/1
Linear Expansion Valve
Hermetic
Line start
38
Plate fin coil
Reverse cycle
900(35-7/16)
330+20(13+3/4)
R407C
1.3 (Ester)MEL56
9.52(3/8)
Flared
Flared
Max. 50m
Max. 50m
Heating
3.48
15.76 / 5.63
Cooling
3.43
15.71 / 5.55 99 / 49
NE56VNJMT / NE56YDKMT
2.7
Propeller (direct) o2
0.07+0.07
85(3,000)
51
53
1,260(49-5/8)
96(212)
4.0(8.8)
19.05(3/4)
Heating
3.62
16.58 / 5.86
Internal thermostat
HP switch
Discharge thermo
Thermal relay
HP switch
Discharge thermo
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