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5). Discharge the refrigerant.
Close the valve on the charging cylinder and discharge the refrigerant by loosening the flare nut on the
2-way valve approximately 45’ until the gauge indicates 0.3 to 0.5 Mpa.
6). Disconnect the charge set and the charging cylinder, and set the 2-way and 3-way valves to the open
position
Be sure to use a hexagonal wrench to operate the valve stems.
7). Mount the valve stems nuts and the service port cap
Be sure to use a torque wrench to tighten the service port cap to a torque 18N.m.
Be sure to check the gas leakage.
6.7 Re-installation while the outdoor unit need to be repaired
1. Evacuation for the whole system
Procedure:
1). Confirm that both the 2-way and 3-way valves are set to the opened position.
2). Connect the vacuum pump to 3-way valve’s service port.
3). Evacuation for approximately one hour. Confirm that the compound meter indicates -0.1Mpa.
4). Close the valve (Low side) on the charge set, turn off the vacuum pump, and confirm that the gauge
needle does not move (approximately 5 minutes after turning off the vacuum pump).
Содержание KFU-09HRDN1-QRC8GW
Страница 1: ...12F INVERTER SERIES Service Manual 2013 12FSI A 1310...
Страница 12: ...12 5 Wiring Diagram 5 1 Indoor Unit KFU 09HRDN1 QRC8W KFU 09HRDN1 QRC8GW...
Страница 14: ...14 KFU 24HRDN1 QRC8GW...
Страница 15: ...15 5 2 Outdoor Unit KOB 09HFN1 QRC8W KOB 09HFN1 QRD0GW...
Страница 16: ...16 KOB 12HFN1 QRC8W KOC 18HFN1 QRC4W...
Страница 17: ...17 KOB1 12HFN1 QRD0GW KOZ 18HFN1 QRD0GW KOC1 18HFN1 QRC8GW...
Страница 18: ...18 KOF 24HFN1 QRC8W KOF 24HFN1 QRD0GW KOF 24HFN1 QRC8GW...
Страница 28: ...28 5 Disconnect the charge hose from the vacuum pump...
Страница 30: ...30 Be sure to check for gas leakage...