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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.
Switch on power and press "ON/OFF" button on the wireless remote controller to start
the operation.
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.
Is water drainage satisfactory?
It may cause condensation and dripping.
Is the voltage in accordance with the rated
voltage marked on the nameplate?
It may cause electric malfunction
or damage the product.
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
ground connection?
It may cause electrical leakage.
Is the power cord specified?
It may cause electric malfunction
or damage the part.
Are the inlet and outlet openings blocked? It may cause insufficient cooling(heating)
capacity.
Is the length of connection pipes
and refrigerant capacity been recorded?
The refrigerant capacity is not accurate.
Operation Test
Before Operation Test
All the impurities such as scraps and thrums must be cleared from the unit.
Operation Test Method
Press MODE button to select the COOL, HEAT (Cooling only unit is not available),
FAN to check whether the operation is normal or not.
7.5 Check after Installation and Operation Test
Installation Manual
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