Check After Installation; Operation Test - Friedrich MW09C1H Service Manual

Installation Manual
7.5 Check after Installation and Operation Test
Items to be checked
Has it been fixed firmly?
Have you done the refrigerant leakage test?
Is heat insulation sufficient?
Is water drainage satisfactory?
Is the voltage in accordance with the rated
voltage marked on the nameplate?
Is the electric wiring and piping
connection installed correctly and securely?
Has the unit been connected to a secure
ground connection?
Is the power cord specified?
Are the inlet and outlet openings blocked?
Is the length of connection pipes
and refrigerant capacity been recorded?
Before Operation Test
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.
Operation Test Method
Switch on power and press "ON/OFF" button on the wireless remote controller to start
the operation.
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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Check after Installation

The unit may drop, shake or emit noise.
It may cause insufficient cooling(heating)
capacity
It may cause condensation and dripping.
It may cause condensation and dripping.
It may cause electric malfunction
or damage the product.
It may cause electric malfunction
or damage the part.
It may cause electrical leakage.
It may cause electric malfunction
or damage the part.
It may cause insufficient cooling(heating)
capacity.
The refrigerant capacity is not accurate.

Operation Test

Possible malfunction