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Test operation and check after installation
Test operation
Before test operation
Do not switch on power before installation is
finished completely.
Electric wiring must be connected correctly
and securely.
Cut-off valves of the connection pipes should be opened.
All the impurities such as scraps and thrums must be cleared from the unit.
Manual switch
AUTO
Test operation method
Switch on power, press "ON/OFF" button on the wireless remote control to start the operation.
Press MODE button, to select the COOL, HEAT, FAN to check whether the operation is
normal or not.
Emergency running, when the wireless remote control is lost, the operation can be done
as following:
At stopping, press the manual switch, the unit will automatically run in the AUTO
mode, the COOL,HEAT,FAN will be selected by the microcomputer system acco-
rding to the surrounding temperature. If want to stop the operation, please repress
the button.
At operation, press the switch, the unit will stop running.
Check after installation
Items to be checked
Possible malfunction
Has it been fixed firmly?
The unit may drop, shake or emit noise.
Have you done the refrigerant leakage test?
It may cause insufficient cooling(heating)
capacity.
Is heat insulation sufficient?
It may cause condensation and dripping.
It may cause condensation and dripping.Is heat insulation sufficient?
Is the voltage in accordance with the rated
voltage marked on the nameplate?
It may cause electric malfunction
or damage the part
Is the electric wiring and piping
connection installed correctly and securely?
It may cause electric malfunction
or damage the part
Has the unit been connected to a secure
earth connection?
It may cause electrical leakage.
Is the power cord specified?
It may cause electric malfunction
or damage the part
Is the inlet and outlet been covered?
It may cause insufficient cooling(heating)
capacity.
The refrigerant capacity is not accurat
Has the length of connection pipes
and refrigerant capacity been recorded?
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