Friedrich MW12C1H - Manual (Page 26)

1.
(2) Electric wiring must be connected correctly and securely.
(3) Cut-off valves of the connection pipes should be opened.
(4)
2.
the operation.
(2)
Check after installation
Items to be checked Possible malfunction
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 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 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.
Test Operation
Before test operation
All the impurities such as scraps and thrums must be cleared from the unit.
Test operation method
(1) Do not switch on power before installation is completely finished.
Press MODE button, to select the COOL, or/and FAN to check whether
the operation is normal or not.
Checklist
22
START / STOP
(1) Switch on power, press " " button on the wireless remote control
to start