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4-5. Test Running
△ Check after Installation
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 earth
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
1. 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.
(4)All the impurities such as scraps and thrums must be cleared from the unit.
2. 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 (Cooling only unit is not available), FAN to check
whether the operation is normal or not.
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