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GB
45
Check after installation
Check according to the following requirement after finishing installation.
ITEMS TO BE CHECKED POSSIBLE MALFUNCTION
Has the unit been installed firmly? The unit may drop, shake or emit noise.
Have you done the refrigerant leakage test? It may cause insufficient cooling (heating)
capacity.
Is heat insulation of pipeline suffient? It may cause condensation and water dripping.
Is water drained well? It may cause condensation and water dripping.
Is the voltage of power supply according to the
voltage marked on the nameplate?
It may cause malfunction or damaging the parts.
Is electric wiring and pipeline installed correctly? It may cause malfunction or damaging the parts.
Is the unit grounded securely? It may cause electric leakage.
Does the power cord follow the specification? It may cause malfunction or damaging the parts.
Is there any obstruction in the air inlet and
outlet?
It may cause insufficient cooling (heating)
capacity.
The dust and sundries caused during installation
are removed?
It may cause malfunction or damaging the parts.
The gas valve and liquid valve of connection
pipe are open completely?
It may cause insufficient cooling (heating)
capacity.
Is the inlet and outlet of piping hole been
covered?
It may cause insufficient cooling (heating)
capacity or waster eletricity.
Test operation
1. Preparation of test operation
• Specify the important notes for air conditioner to the client.
2. 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 16ºC, the air conditioner can’t start cooling.
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