Mitsubishi Electric PCA-RP71GA Manuel de service Page 3
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Noté. / 5. Basé sur avis des utilisateurs
3
SAFETY PRECAUTION
2
[2] 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.
[1] Cautions for service
·After recovering the all refrigerant in the unit, proceed to working.
·Do not release refrigerant in the air.
·After completing the repair service, recharge the cycle with the specified amount of
liquid refrigerant.
Cautions for units utilising refrigerant R407C
CAUTIONS RELATED TO NEW REFRIGERANT
Do not use the existing refrigerant piping.
The old refrigerant and lubricant in the existing piping
contains a large amount of chlorine which may cause the
lubricant deterioration of the new unit.
Use “low residual oil piping”
If there is a large amount of residual oil (hydraulic oil, etc.)
inside the piping and joints, deterioration of the lubricant
will result.
Use ESTR , ETHER or HAB as the lubricant to
coat flares and flange connection parts.
If large amount of mineral oil enter, that can cause
deterioration of refrigerant oil etc.
Use liquid refrigerant to charge 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 lubricant deterioration.
Use a vacuum pump with a reverse flow check valve.
The vacuum pump oil may flow back into the refrigerant
cycle and cause the lubricant deterioration.
Store the piping to be used during installation
indoors with keep both ends 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.
Ventilate the room if refrigerant leaks during
operation. If refrigerant comes into contact with
a flame, poisonous gases will be released.
Gravimeter
Unit
OC311--1.qxp 04.5.31 1:03 PM Page 3
- Ceiling Suspended 1
- Series PCA 1
- R407C/R410A 1
- SAFETY PRECAUTION 3
- [3] Service tools 4
- [1] Cautions for service 5
- Gravimeter 6
- PART NAMES AND FUNCTIONS 7
- PAR-20MAA 8
- SPECIFICATIONS 9
- 1.UK / PUH-P2.5YGAA1.UK 12
- 1.UK / PUH-P2YGAA1.UK 12
- 1.UK / PUH-P4YGAA1.UK 13
- 1.UK / PUH-P3YGAA1.UK 13
- 1.UK / PU-P2.5YGAA1.UK 15
- 1.UK / PU-P2YGAA1.UK 15
- 1.UK / PU-P4YGAA1.UK 16
- 1.UK / PU-P3YGAA1.UK 16
- 5-1. PERFORMANCE DATA (230V) 18
- COOLING CAPACITY<2> 19
- PCA-RP2GA / PUHZ-RP2VHA 19
- COOLING CAPACITY<3> 20
- PCA-RP2.5GA / PUHZ-RP2.5VHA 20
- COOLING CAPACITY<4> 21
- COOLING CAPACITY<5> 22
- PCA-RP3GA / PUHZ-RP3VHA 22
- COOLING CAPACITY<6> 23
- COOLING CAPACITY<7> 24
- PCA-RP4GA / PUHZ-RP4VHA 24
- PUHZ-RP4VHA1 24
- COOLING CAPACITY<8> 25
- COOLING CAPACITY<9> 26
- PCA-RP5GA / PUHZ-RP5VHA 26
- PUHZ-RP5VHA1 26
- COOLING CAPACITY<10> 27
- COOLING CAPACITY<11> 28
- PCA-RP6GA / PUHZ-RP6VHA 28
- PUHZ-RP6VHA1 28
- COOLING CAPACITY<12> 29
- 1.UK PUH-P2YGAA1.UK 30
- 1.UK PU-P2YGAA1.UK 30
- 1.UK PUH-P2.5YGAA1.UK 32
- 1.UK PU-P2.5YGAA1.UK 32
- 1.UK PUH-P3YGAA1.UK 34
- 1.UK PU-P3YGAA1.UK 34
- 1.UK PUH-P4YGAA1.UK 36
- 1.UK PU-P4YGAA1.UK 36
- 1.UK PUH-P•YGAA1.UK 42
- 5-2. PERFORMANCE CURVE 43
- 1.UK PUH-P•YGAA1.UK 43
- 1.UK PU-P•YGAA1.UK 43
- 5-3. CORRECTION FACTORS 44
- Heat pump type(1) 45
- Rating Conditions (ISO T1) 45
- Electrical circuit 46
- Total Refrigerant circuit 46
- Indoor side 46
- Outdoor 46
- Cooling only type 47
- BAND CENTER FREQUENCIES, Hz 49
- OUTLINES AND DIMENSIONS 50
- WIRING DIAGRAM 54
- REFRIGERANT SYSTEM DIAGRAM 55
- TROUBLESHOOTING 56
- Yellow Blue 62
- 0=15kΩ ±3% 63
- 9-6.TEST POINT DIAGRAM 63
- 9-7. FUNCTIONS OF JUMPER WIRE 65
- DISASSEMBLY PROCEDURE 66
- Side panel 67
- Sliding the panel 67
- Photo 10 69
- Photo 11 70
- PARTS LIST 71
- STRUCTURAL PART 72
- PCA-RP2GA 72
- PCA-RP2.5GA 73
- PCA-RP3GA 73
- PCA-RP4GA 73
- PCA-RP5GA 74
- PCA-RP6GA 74
- FAN AND HEATER PARTS 75
- OPTIONAL PARTS 78
- SMTWT FS 79
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