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12■English
Pump Down Operation
In order to protect the environment, be sure to pump down when relocating or disposing of the unit.
1) Remove the valve cap from the liquid stop valve and gas stop valve.
2) Carry out forced cooling operation.
3) After5to10minutes,closetheliquidstopvalvewithahexagonalwrench.
4) After 2 to 3 minutes, close the gas stop valve and stop forced cooling operation.
5) Attach the valve cap once procedures are complete.
Forced cooling operation
Using the indoor unit ON/OFF switch
Press the indoor unit ON/OFF switch for at least 5 seconds. (The operation will start.)
• Forced cooling operation will stop automatically after about 15 minutes.
To stop the operation, press the indoor unit ON/OFF switch.
Gas
stop valve
Valve cap
Hexagonal
wrench
Close
Liquid
stop valve
Service port
Using the indoor unit’s remote controller
1) Press
and select the COOL operation.
2) Press
to turn on the system.
3) Press
, and at the same time.
4) Press
, select “ ”, and press forconrmation.
• Forced cooling operation will stop automatically after about 30 minutes. To stop the operation, press .
Trial Operation and
Testing
1. Trial operation and testing
Refer to the installation manual for the indoor unit.
2. Test items
Test items Symptom Check
Indoor and outdoor units are installed properly on solid bases. Fall, vibration, noise
No refrigerant gas leaks. Incomplete cooling/heating function
Refrigerantgasandliquidpipesandindoordrainhoseextensionare
thermally insulated.
Water leakage
Draining line is properly installed. Water leakage
System is properly grounded. Electricalleakage
Thespeciedwiresareusedforinter-unitwiring. No operation or burn damage
Indoor or outdoor unit’s air inlet or air outlet are unobstructed. Incomplete cooling/heating function
Stop valves are opened. Incomplete cooling/heating function
Indoor unit properly receives wireless remote control commands. No operation
English
01_EN_3P457793-1.indd 12 11/22/2016 10:46:31 AM
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