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21
installation manual
Test operation
3
Set the air conditioner in cooling mode with the remote
controller, and check the following points. If there is any
malfunction, please resolve it according to the chapter
"Troubleshooting" in the "Owner's Manual".
1) The indoor unit
a. Whether the buttons on the remote controller works
well.
b. Whether the air flow louver moves normally.
c. Whether the room temperature is adjusted suitable.
d. Whether the indicator lights normally.
e. Whether the temporary switch on the unit works well.
f. Whether the drainage is normal.
g. Whether there is abnormal vibration or noise during
operation.
h. Whether the air conditioner works well in heating
mode(heat pump model).
2) The outdoor unit
a. Whether there is abnormal vibration and noise during
operation.
b. Whether the exhaust air, noise, or condensate influence
your neighborhood.
c. Whether there is any refrigerant leakage during
operation.
3 minutes delay is normal when restarting the unit for
compressor protection.
CAUTION
15. TEST OPERATION
The test operation must be carried out after the entire
installation.
Please confirm the following points before the test operation:
2
1
The indoor unit and outdoor unit are installed properly.
Tubing and wiring are correctly completed.
The refrigerant pipe system is leakage-checked.
The drainage is unimpeded.
The heating insulation works well.
The ground wiring is connected correctly.
The length of the tubing and additional charge amount
have been recorded.
The power voltage matches rated voltage of the air
conditioner.
There is no obstacle at the outlet and inlet of the outdoor
and indoor units.
The gas-side and liquid-side service valves are both
completely open.
The air conditioner is pre-heated by turning on the power.
All the figures in this manual are for explanation purpose only.
They may be slightly different from the air conditioner you
purchased(depend on model).The actual unit shall prevail.
NOTE
Fig.14-2
Protection Board
2.Centrifugal fan outdoor unit
For more details visit www.mrcool.com
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