14
1234-TTT000-EN
Before test operation
1.
Do not switch on power before installation is finished completely.
2.
Electric wiring must be connected correctly and securely.
3.
Shut-off valves of the connection pipes should be opened.
4.
All the impurities such as scraps and thrums must be cleared from the unit.
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 and Test
Operation
Items to check
Possible problems they generate
Has the unit been attached 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
unit.
Is the electric wiring and piping connection
installed correctly and securely?
It may cause electric malfunction or damage the
unit.
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
unit
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.
