19
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 sufficient?
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.
Are the dust and sundries caused
during installation are removed?
It may cause malfunction or damag the parts.
Do the gas valve and liquid valve of
connection pipe open completely?
It may cause insufficient cooling(heating)
capacity.