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2. Adding the refrigerant if the pipe length >5m
Procedure:
1). Connect the charge hose to the charging cylinder, open the 2-way valve and the 3-way valve.
Connect the charge hose which you disconnected from the vacuum pump to the valve at the bottom of the
cylinder. If the refrigerant is R410A, make the cylinder bottom up to ensure the liquid charge.
2). Purge the air from the charge hose.
Open the valve at the bottom of the cylinder and press the check valve on the charge set to purge the air (be
careful of the liquid refrigerant).
3) Put the charging cylinder onto the electronic scale and record the weight.
4) Operate the air conditioner at the cooling mode.
5) Open the valves (Low side) on the charge set and charge the system with liquid refrigerant.
6).When the electronic scale displays the proper weight (refer to the table), disconnect the charge hose from
the 3-
way valve’s service port immediately and turn off the air conditioner before disconnecting the hose.
7). Mount the valve stem caps and the service port
Use torque wrench to tighten the service port cap to a torque of 18N.m.
Be sure to check for gas leakage.
Electronic scale
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...