Check After Installation And Test Operation - Gree GWC12ATCXB-K6DNA1B Service Manual

Liquid valve
Gas valve
Refrigerant charging
vent
Nut of refrigerant
Charging vent
2. Leakage Detection
(1) With leakage detector:
Check if there is leakage with leakage detector.
(2) With soap water:
If leakage detector is not available, please use soap water for
leakage detection. Apply soap water at the suspected position and
keep the soap water for more than 3min. If there are air bubbles
coming out of this position, there's a leakage.

8.8 Check after Installation and Test Operation

1. Check after Installation
Check according to the following requirement after finishing
installation.
NO. Items to be checked
Has the unit been installed
1
firmly?
Have you done the
2
refrigerant leakage test?
Is heat insulation of pipeline
3
sufficient?
4 Is water drained well?
Is the voltage of power
supply according to the
5
voltage marked on the
nameplate?
Is electric wiring and pipeline
6
installed correctly?
Is the unit grounded
7
securely?
Does the power cord follow
8
the specification?
Is there any obstruction in
9
air inlet and air outlet?
The dust and sundries
10 caused during installation
are removed?
46
Piezometer
Lo Hi
Valve cap
Vacuum pump
Inner hexagon
spanner
Close
Open
Fig.28
Possible malfunction
The unit may drop, shake or
emit noise.
It may cause insufficient
cooling (heating) capacity.
It may cause condensation
and water dripping.
It may cause condensation
and water dripping.
It may cause malfunction or
damage the parts.
It may cause malfunction or
damage the parts.
It may cause electric
leakage.
It may cause malfunction or
damage the parts.
It may cause insufficient
cooling (heating) capacity.
It may cause malfunction or
damaging the parts.
The gas valve and liquid
11 valve of connection pipe are
open completely?
Is the inlet and outlet of
12
piping hole been covered?
2. Test Operation
(1) Preparation of test operation
● The client approves the air conditioner installation.
● Specify the important notes for air conditioner to the client.
(2) Method of test operation
● Put through the power, press ON/OFF button on the remote
controller to start operation.
● Press MODE button to select AUTO, COOL, DRY, FAN and
HEAT to check whether the operation is normal or not.
● If the ambient temperature is lower than 16℃ , the air
conditioner cant start cooling.
Service Manual
It may cause insufficient
cooling (heating) capacity.
It may cause insufficient
cooling(heating) capacity or
waster eletricity.
Installation and Maintenance