59
16.1.6 Re-installation while the indoor unit need to be repaired
1. Collecting the refrigerant into the outdoor unit
Procedure
1). Confirm that both the 2-way and 3-way valves are set to the opened position
Remove the valve stem caps and confirm that the valve stems are in the opened position.
Be sure to use a hexagonal wrench to operate the valve stems.
2). Connect the charge hose with the push pin of handle lo to the 3-way valves gas service port.
3). Air purging of the charge hose.
Open the handle Lo valve of the manifold valve slightly to purge air from the charge hose for 5 seconds and
then close it quickly.
4). Set the 2-way valve to the close position.
5). Operate the air conditioner at the cooling cycle and stop it when the gauge indicates 0.1MPa.
6). Set the 3-way valve to the closed position immediately
Do this quickly so that the gauge ends up indicating 0.3 to 0.5Mpa.
Disconnect the charge set, and tighten the 2-way and 3-
way valve’s stem nuts.
Use a torque wrench to tighten the 3-way valves service port cap to a torque of 1.8 kgf.m.
Be sure to check for gas leakage.
Summary of Contents for 38QUS014DS2 series
Page 1: ...SUPER INVERTER SERIES MULTI TYPE Service Manual 2018...
Page 14: ...11 5 Easy operation 6 Remote control and optional wired control method...
Page 17: ...14 3 3 Console 1 6 D ra in p ip e 1 9 5 H a n g in g a rm 7 0 0 6 0 0 2 1 0...
Page 20: ...17 3 6 Ducted A5...
Page 21: ...18 A6...
Page 25: ...22 4 5 Ceiling Floor Type 4 6 Hi wall...
Page 26: ...23 5 Wiring diagram 38QUS014DS2 38QUS014DS2 2 38QUS018DS2 2 38QUS018DS2...
Page 27: ...24 38QUS021DS3 38QUS027DS3...
Page 28: ...25 38QUS028DS4 38QUS036DS4...
Page 29: ...26 38QUS042DS5 42QHC007D8S 42QHC009D8S 42QHC012D8S 42QHC018D8S 42QHC024D8S 16022000A83297...
Page 30: ...27 42QTD007D8S 42QTD009D8S 42QTD012D8S 42QTD018D8S 42QTD009DS 42QTD012DS 42QTD018DS 42QTD024DS...
Page 31: ...28 42QSS012DS 42QSS007D8S 42QSS009D8S 42QSS012D8S...
Page 32: ...29 42QSS018DS 42QSS024DS 42QZA009DS 42QZA012D8S 42QZA018DS...
Page 33: ...30 6 Static Pressure A5 Ducted...
Page 50: ...47 13 Wiring diagram 38QUS014DS2 38QUS014DS2 2 38QUS018DS2 38QUS018DS2 2...
Page 52: ...49 38QUS027DS3 38QUS036DS4...
Page 53: ...50 38QUS042DS5...