INVENTOR R2FI-50, User Manual, Page: 38 / 116

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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 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 wring and piping connection
installed correctly and securely?
It may cause electric malfunction or
damaged the part.
Has the unit been connected to a secure earth
connection?
It may cause electrical leakage.
Is the power cord specified?
covered?
It may cause electric malfunction or damage
the part.
Is the inlet and outlet of piping hole been It may cause insufficient cooling(heating)
capacity or waster eletricity.
Has the length of connection pipes and
refrigerant capacity been recorded?
The refrigerant capacity is not accurate.
Test operation
Before test operation
Do not switch on power before installation is finished completely.
Electric wiring must be connected correctly and securely.
Cut-off valves of the connection pipes should be opened.
All the impurities such as scraps and thrums must be cleared from the unit.
Test operation method
Switch on power, press ON/OFF button on the remote controller to start the operation.
Press MODE button to select the COOL, HEAT, FAN to check whether the operation
is normal or not.
Test Operation and Check after Installation
Items to be checked Possible malfunction
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