1.
(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.
(4)
2.
(1)
Switch on power, press "ON/OFF" button on the wireless remote control to start
the operation.
(2)
Check after installation and test operation
Check after installation
Items to be checked Possible malfunction
Is unit installed correctly?
Have you done the refrigerant leakage test?
Unit may fall, shake or create excessive noise.
Is equipment insulated properly?
It may cause condensation and dripping.
Is water drainage good?
It may cause condensation and dripping.
Is supply voltage in accordance with the
rated voltage marked on the nameplate?
It may cause electric malfunction
or damage the part.
It may cause electric malfunction
or damage the part.
Is the electric wiring and piping
connection installed correctly and securely?
It may cause electrical leakage.
Is the power cord sized correctly?
It may cause electric malfunction
or damage the part.
Has the air dicharge and inlet 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
Before test operation
All scraps and waste fron installation have been removed?
Test operation method
Press MODE button, to select the COOL, HEAT, FAN to check whether the
operation is normal or not.
21
Leak of refrigerant can occur and
system will not cool.
Has the unit been connected to a secure
ground connection?
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