Gree GWH07PA-K3NNA1A, Руководство по обслуживанию, Страница: 34 / 50

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Liquid pipe
Gas pipe
Valve
cap
Vacuum
gauge
Vacuum pump
Drain-water hole
Bottom frame
Hose (available commercially,
inner dia. 16mm)
Drain connecter
Items to be checked Possible malfunction
Has it been fixed 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 sufficient?
It may cause condensation and dripping.
Is water drainage satisfactory? It may cause condensation and dripping.
Is the voltage in accordance with the rated
voltage marked on the nameplate?
It may cause electric malfunction
or damage the product.
Is the electric wiring and piping
connection installed correctly and securely? It may cause electric malfunction
or damage the part.
Has the unit been connected to a secure
earth connection?
It may cause electrical leakage.
Is the power cord specified?
It may cause electric malfunction
or damage the part.
Are the inlet and outlet openings blocked? It may cause insufficient cooling(heating)
capacity.
Is the length of connection pipes
and refrigerant capacity been recorded? The refrigerant capacity is not accurate.
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