Cooling Operation Confirmation - Haier AV08NMSETA Service Manual

(3) Cooling operation confirmation

Set the mode as COOL: press the button for
Temp. difference between
air outlet and air inlet is good
If running voltage is proper
current is in the range of rated current ±15%
(At the max. Frequency)
If running pressure is proper
Start
over 5 seconds at OFF state
If blowing out cold air
Yes
If the ventilation is good
Yes
Make all indoors running
simultaneously
Yes
(380V±10%)
Yes
If running
Yes
Yes
Normal
No
No
No
No
No
No
No
46 46
Once outdoor stops, re-start up
the unit 2 and a half minutes later
Confirm the running state of
the compressor, indoor EEV
If the louver direction
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.