２３
Check after installation and test operation
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 well?
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 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.
Has the length of connection pipes
and refrigerant capacity been recorded?
The refrigerant capacity is not accurate.
Test Operation
1. Before test operation
(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.
(4) All the impurities such as scraps and thrums must be cleared from the unit.
2. Test operation method
(1) Switch on power, press "ON/OFF" button on the wireless remote control to start the
operation.
(2) Press MODE button, to select the COOL, HEAT, FAN to check whether the operation
is normal or not.
Check after installation
