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MS-SVN055B-EN
Installation verification and operation test
Installation verification and operation test
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 corresponding to connection pipes should be opened.
4. All impurities and debris must be cleared from the unit.
Test operation method
1. Switch power ON, press “ON/OFF button on the wireless remote control to start the operation.
2. Press MODE button, select COOL, HEAT, FAN to check whether the operation of the unit is
normal or not.
Items to check:
Possible problems:
Has the indoor unit been firmly installed?
The unit may drop, shake o emit noise
Have a refrigerant leak test been performed?
It may cause insufficient cooling/heating capacity
Is heat insulation sufficient?
It may cause condensation and leaking
Does water drain properly?
It may cause condensation and leaking
Is voltage according to the rated voltage marked on
the unit’s nameplate?
It may cause electric malfunction or damages to
the unit
Is the electric wiring and piping connection installed
properly and securely?
It may cause electric malfunction or damages to
the unit
Has the unit been connected to a secure earth
connection?
It may cause electric leakage
Is the power cord damaged?
It may cause electric malfunction or damages to
the unit
Has the inlet and outlet been covered?
It may cause insufficient cooling/heating capacity
Has the length of connection piping and refrigerant
capacity been recorded?
The refrigerant capacity is not accurate
