Gree GWH09AB-A3DNA1B - Check after Installation and Operation Test

Installation Manual
Chasis
Outdoor drain connector
7.4.3 Outdoor Condensation Drainage (only for Heat pump unit )
During heating operation, the condensing water and defrosting
water should be drained out reliably through the drain hose.
Install the outdoor drain connector in a 25 hole on the
the base plate and attach the drain hose to the connector,
so that the waste water formed in the outdoor unit can be
drained out .The hole diameter 25 must be plugged.
Whether to plug other holes will be determined by the dealers
according to actual conditions.
7.5 Check after Installation and Operation Test
7.5.1 Check after Installation
7.5.2 Operation Test
1.Before Operation Test
(1)Do not switch on power before installation is finished completely.
(2)Electric wiring must be connected correctly and securely.
(3)Cut-off valves of the connection pipes should be opened.
(4)All the impurities such as scraps and thrums must be cleared from the unit.
2.Operation Test Method
(1)Switch on power and press “ON/OFF” button on the wireless remote controllerto start the operation.
(2)Press MODE button to select the COOL, HEAT (Cooling only unit is not available), FAN to check whether the operation is
normal or not.
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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