Noise - Haier AU482FIERA Installation & Maintenance Instructions Manual

(4) Heating operation confirmation
Set the mode as HEAT: press the button
for over 5 seconds at OFF state
Start
If blowing out hot air
Yes
If the ventilation is good
Yes
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
Once outdoor stops, re-start up
No
the unit 2 and a half minutes
later
Confirm the running state of the
No
compressor, indoor EEV
No
No
No
Check the power source
voltage, the power cable spec
and the power cable terminal
installation
No
Check indoor/outdoor temp.,
pipe length, refrigerant
charging amount, indoor
capacity, compressor
No
running frequency, outdoor
fan operation, and if
compressor sounds
abnormal noise.
39
If the louver direction