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Check after Installation and Operation Test
Check after Installation
Items to be checked
Possible malfunction
Has the unit been fixed firmly? The unit may drop, shake or emit noise
Have you done the refrigerant leakage test? It may cause insufficient cooling (heating)
Is thermal insulation sufficient? It may cause condensation
Is water drainage satisfactory? It may cause water leakage
Is the voltage in accordance with the rated voltage
marked on the nameplate?
It may cause electric malfunction or damage the unit
Is the electric wiring or piping connection installed
correctly and securely?
It may cause electric malfunction or damage the
parts
Has the unit been securely earthed? It may cause electrical leakage
Is the power cord according to specification? It may cause electric malfunction or damage the
parts
Is the inlet or outlet blocked? It may cause insufficient cooling (heating)
Is the length of connection pipes and refrigerant
capacity according to important notice (page 18)?
The refrigerant capacity is not accurate
Operation Test
Before operation test:
(1) Do not switch on power before installation is finished completely.
(2) Electric wiring must be connected correctly and securely.
(3) Cut-off valves of the connection pipes should be opened.
Operation Test Method:
(1) Switch on power and press "ON/OFF" button on the remote controller to start the operation.
(2) Press MODE button to select the COOL, HEAT, FAN to check whether the operation is normal or not.