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(3) Cooling operation conrmation

Start

Set the mode as COOL: press the button

for over 5 seconds at OFF state

Once outdoor stops, re-start up

the unit 2 and a half minutes

later

If blowing out cold air

If the ventilation is good

Conrm the running state of the

compressor, indoor EEV

If the louver direction

Make all indoors running

simultaneously

Temp. difference between air

outlet and air inlet is good

If running voltage is

proper (380V±10%)

If running current is in the

range of rated current±15%

(at the max. frequency)

If running pressure is proper

Normal

Yes

Check the power source

voltage, the power cable spec

and the power cable terminal

installation

Check indoor/outdoor temp.,

pipe length, refrigerant

charging amount, indoor

capacity, compressor

running frequency, outdoor

fan operation, and if

compressor sounds

abnormal noise

Check every indoor

Haier AU482FIERA User Manual

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