Check after installation and test operation
Check after installation
Items to be checked
Possible malfunction
Has it been fixed firmly?
The unit may drop, shake or emit noise.
It may cause insufficient cooling (heating)
capacity
Have you done the refrigerant leakage test?
It may cause condensation and dripping.
Is heat insulation sufficient?
Is water drainage well?
It may cause condensation and dripping.
Is the voltage in accordance with the rated
It may cause electric malfunction or
damage the part.
voltage marked on the nameplate?
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
It may cause electrical leakage.
earth connection?
It may cause electric malfunction
Is the power cord specified?
or damage the part.
Is the inlet and outlet been covered?
It may cause insufficient cooling (heating)
capacity.
Has the length of connection pipes and refrige-
rant capacity been recorded?
The refrigerant capacity is not accurate.
Test Operation
Before test operation
1.
(1) Do not switch on power before installation isfinished completely.
(2) Electric wiring must be connected correctly and securely.
(3) Cut-off valves of the connection pipes should be opened.
All the impurities such as scraps and thrums must be cleared from the unit.
(4)
Test operation method
2.
(1) Switch on power, press “ON/OFF” button on the wireless remote control to start the operation.
Press MODE button, to select the COOL, HEAT (Cooling only unit is not available),
(2)
FAN to check whether the operation is normal or not.
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