Service manual
18
7.9
Gas charging
Procedure:
1. Connect the charge hose to the charging cylinder.
§
Connect the charge hose which you disconnected from the vacuum pump to the valve at the bottom of the
cylinder.
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. Open the valves (Low side) on the charge set and charge the system with liquid refrigerant.
§
If the system cannot be charge with the specified amount of refrigerant, if can be charged with a little at a
time (approximately 150g each time0 while operating the air conditioner in the cooling cycle; however, one
time is not sufficient, wait approximately 1 minute and then repeat the procedure.(pumping down-pin).
4. Immediately disconnect the charge hose from the 3-way valve’s service port.
§
Stopping partway will allow the refrigerant to be discharged.
§
If the system has been charged with liquid refrigerant while operating the air conditioner, turn off the air
conditioner before disconnecting the hose.
5. Mounted 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.
Summary of Contents for 38 KCL012733
Page 1: ...Cover Service Manual AIR CONDITIONER Hi Wall Type 42 38 KCL018R33 42 38QCL018R33...
Page 10: ...Service manual 7 4 Refrigerant cycle diagram Cooling only Heat pump mode...
Page 12: ...Service manual 9 6 Wiring diagram Indoor 42KCL018R33 42QCL018R33...
Page 13: ...Service manual 10 Outdoor 38KCL018R33 38QCL018R33...
Page 41: ...Service manual 6 4 Refrigerant cycle diagram Cooling only Heat pump mode...
Page 43: ...Service manual 8 6 Wiring diagram Indoor 42KCL024R33 42QCL024R33...
Page 44: ...Service manual 9 42KCL030R33 42QCL030R33...
Page 45: ...Service manual 10 Outdoor 38KCL024R33 38KCL030R33...