LM Wall Mount User Manual

Test and operation
18
Check after installation
Test operation
●
●
●
1.
●
●
Check according to the following requirement
after finishing installation.
Items to be checked
Preparation of test operation
The client approves the air conditioner.
Specify the important notes for air conditioner to
the client.
Possible malfunction
The unit may drop, shake or
emit noise.
Has the unit been
Is water drained well?
It may cause condensation
and water dripping.
installed firmly?
Have you done the refri-
gerant leakage test?
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?
It may cause insufficient
cooling(heating) capacity.
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?
Is heat insulation of pipe-
line sufficient?
It may cause condensation
and water dripping.
2.
●
It may cause electric leakage.
Is the inlet and outlet of
piping hole been covered?
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 ,
FAN and HEAT to check whether the operation is
normal or not.
If the ambient temperature is lower than 16°C(61°F),
the air conditioner can’t start cooling.