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Mitsubishi Electric PURY-RP200 Service Handbook page 277

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[ IX Troubleshooting ]
2. Solenoid valve (SV1a), Capillary tube ASSY (CP1) replacement instructions
1. Applicable models
PURY-RP200, 250, 300YJM-A (-BS)
......Low pressure twinning kit (optional accessory) is built in.
* The parts can be replaced without removing the Solenoid valve ASSY on the unit for the units that do not have
built-in low pressure twinning kit (optional accessory).
2. Parts to be serviced
NO.
Item
1
Solenoid valve
(SV1a)
Capillary tube ASSY
2
(CP1)
3. Procedures
Removing the Solenoid valve (SV1a) and the Capillary tube ASSY (CP1) individually is difficult when the low
pressure twinning kit (optional accessory) is built in. Refer to the procedures
* Precautions for starting replacement
• Check that the main power supply is OFF.
• Check that no refrigerant is in the outdoor unit.
Heat exchanger
Debraze A and B, and remove solenoid valve ASSY
from the unit.
* Precautions for brazing
• Be sure to perform no-oxidation brazing when brazing.
• After brazing, check the condition around the brazing. After confirming no leakage, evacuate the air
inside. (*1)
• Braze carefully with the flame direction so that it does not burn cables and plates etc. in the unit.
*1: Refer to Chapter I [7] Vacuum Drying (Evacuation) for detailed proced
HWE10020
Applicable models
PURY-RP200, 250, 300 YJM-A (-BS)
PURY-RP200, 250, 300 YJM-A (-BS)
A
(φ9.52 [3/8"])
Compressor cover
Low pressure
twinning kit
(optional accessory)
B
(φ6.35 [1/4"])
- 268 -
below and replace the parts.
NO.1
Solenoid valve
(SV1a)
NO.2
Capillary tube ASSY (CP1)
B
Solenoid valve ASSY
Replace Solenoid valve (SV1a) or Capillary tube ASSY
(CP1), and mount them again.
A
GB
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