31
CHECKING AFTER INSTALLATION
Check the following items after nishing installation:
Items to check Possible malfunction
Has the unit been installed solidly? The unit may drop, shake or emit noise.
Have you done the refrigerant leakage test? It may cause insucient cooling (heating) capacity.
Is heat insulation of pipeline sucient? 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.
Are electric wiring and pipes installed correctly? It may cause malfunction or damaging the parts.
Is the unit grounded securely? It may cause electric leakage.
Does the power wire follow the specications? It may cause malfunction or damaging the parts.
Is there any obstruction in the air inlet and
outlet?
It may cause insucient cooling (heating) capacity.
Are dust and installation debris removed? It may cause malfunction or damaging the parts.
Are gas valve and liquid valve of connection
pipe completely opened?
It may cause insucient cooling (heating) capacity.
Has the inlet and outlet of piping hole been
covered?
It may cause insucient cooling (heating) capacity.