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Check according to the following requirement after nishing installation.
Check after installation
Items to be checked Possible malfunction
Has the unit been installed rmly? The unit may drop, shake or emit noise
.
Have you done the refrigerant leakage
test?
It may cause in sufcient cooling (heating)
capacity.
Is heat insulation of pipeline sufcient? 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
specication?
It may cause malfunction or damaging the parts.
Is there any obstruction in the air inlet
and outlet?
It may cause in sufcient 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 in sufcient cooling(heating)
capacity.
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