Haier MRV S II - Cooling Operation Confirmation

4646
(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
Conrm the running state of
the compressor, indoor EEV
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.
If the louver direction
Temp. difference between
air outlet and air inlet is good
If running
current is in the range of rated current ±15%
(At the max. Frequency)
If running voltage is proper
(380V±10%)
Make all indoors running
simultaneously
If blowing out cold air
If the ventilation is good
If running pressure is proper
Normal
Check every indoor unit
Yes
Yes
Yes
Yes
Yes
Yes
No
No
No
No
No
No
No