Check After Installation And Operation Test - Gree GWH09MA-K3NNA3F Service Manual

Installation Manual

7.6 Check after Installation and Operation Test

Check after Installation
Have you done the refrigerant leakage test?
Is the voltage in accordance with the rated
Is the electric wiring and piping connection
Has the unit been connected to a secure
Are the inlet and outlet openings blocked?
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
Has it been fixed firmly?
Is heat insulation sufficient?
Is water drainage satisfactory?
voltage marked on the nameplate?
installed correctly and securely?
earth connection?
Is the power cord specified?
Is the length of connection pipes and
refrigerant capacity been recorded?
Possible malfunction
The unit may drop, shake or emit noise.
It may cause insufficient
cooling(heating)capacity
It may cause condensation and dripping.
It may cause condensation and dripping.
It may cause electric malfunctionor damage
the product.
It may cause electric malfunction or damage
the part.
It may cause electrical leakage.
It may cause electric malfunctionor damage
the part.
It may cause insufficient cooling(heating)
capacity.
The refrigerant capacity is not accurate.
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