Friedrich MM09YJ Brochure download pdf (Page 26)

(2)Electric wiring must be connected correctly and securely.

(3)Cut-off valves of the connection pipes should be opened.

(4)

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

START / STOP

(1)

Switch on power, press "

" button on the wireless remote control

to start

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Friedrich MM09YJ Brochure Page 26

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