Cooper & Hunter Arctic NG Wi-Fi Series, Owner'S Manual, Page: 25 / 111

24
During operation, point the remote control signal
sender at the receiving window on indoor unit.
The distance between signal sender and receiving
window should be no more than 8m, and there
should be no obstacles between them.
Signal may be interfered easily in the room where
there is fluorescent lamp or wireless telephone;
remote controller should be close to indoor unit
during operation.
Replace new batteries of the same model when
replacement is required.
When you don't use remote controller for a long time,
please take out the batteries.
If the display on remote controller is fuzzy or there's
no display, please replace batteries. ●
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NOTICE
Replacement of batteries in
remote controller
Press the back side of remote controller
marked with " ", as shown in the fig, and then
push out the cover of battery box along the
arrow direction.
Replace two 7# (AAA 1.5V) dry batteries, and
make sure the position of "+" polar and "-" polar
are correct.
Reinstall the cover of battery box.
2.
1.
3.
battery
remove
reinstall
Cover of battery box
signal sender
Test and operation
25
Check after installation
Test operation
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1.
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Check according to the following requirement
after finishing installation.
Preparation of test operation
The client approves the air conditioner.
Specify the important notes for air conditioner to
the client.
Items to be checked Possible malfunction
The unit may drop, shake or
emit noise.
Has the unit been
installed firmly?
Is water drained well?
It may cause condensation
and water dripping.
Have you done the refri-
gerant leakage test?
It may cause insufficient
cooling(heating) capacity.
It may cause malfunction or
damage the parts.
Is electric wiring and pip-
eline installed correctly?
It may cause malfunction or
damage the parts.
Is the unit grounded
securely?
Does the power cord fol-
low the specification?
It may cause malfunction or
damage the parts.
Is there any obstruction in
the air inlet and outlet?
Is heat insulation of pipe-
line sufficient?
It may cause malfunction or
damage the parts.
The gas valve and liquid
valve of connection pipe
are open completely?
The dust and sundries
caused during installation
are removed?
It may cause condensation
and water dripping.
It may cause electric leakage.
Is the inlet and outlet of
piping hole been covered?
2.
●
Is the voltage of power
supply according to the
voltage marked on the
nameplate?
It may cause insufficient
cooling(heating) capacity.
It may cause insufficient
cooling (heating) capacity.
It may cause insufficient
cooling (heating) capacity
or waste electricity.
Method of test operation
Put through the power, press ON/OFF button on
the remote controller to start operation.
Press MODE button to select AUTO, COOL, DRY ,
normal or not.
FAN and HEAT to check whether the operation is
If the ambient temperature is lower than 16
℃
, the
air conditioner can’t start cooling.