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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).
5). Disconnect the charge hose from the vacuum pump.
Summary of Contents for 11DSNA-A-1301
Page 1: ...NEOLA INVERTER SERIES Service Manual 2013 11DSNA A 1301...
Page 18: ...16 MS11D 22CRDN1 MN10W MS11D 22HRDN1 MN10W...
Page 20: ...18 MOC 18CDN1 MN10W MOC 18HDN1 MN5W...
Page 21: ...19 MOF 22CDN1 MN5W MOF 22HDN1 MN5W...
Page 52: ...50 9 2 2 Indoor outdoor unit s communication error diagnosis and solution E1...
Page 56: ...54 9 2 5 IPM malfunction or IGBT over strong current diagnosis and solution P0...
Page 57: ...55 9 2 6 Over voltage or too low voltage protection diagnosis and solution P1...
Page 58: ...56 9 2 7 High temperature protection of compressor top diagnosis and solution P2...
Page 59: ...57 9 2 8 Inverter compressor drive error diagnosis and solution P4...