Preparation For Test Run - Gree GMV-S120WL/A-S Manuel Du Propriétaire

5.2.1 Preparation for test run

(1) Power can be turned on only after all installation work is finished.
(2) All wired controller wires and electric wires must be connected correctly and firmly. Gas valve, liquid
valve and high pressure gas valve should be open completely.
(3) Check whether all fixing loop at the foot of compressor for transportation is removed.
(4) All other objects, such as metal scraps, joints, should be removed from the unit.
(5) Check whether the appearance and pipeline system is damaged during the transportation.
(6) Calculated the refrigerant-charging volume according to the length of pipe and then pre-charge the
refrigerant. If refrigerant can't be added when it hasn't reached to the required refrigerant-charging
volume, record the refrigerant-charging volume which still needs to be added, add refrigerant during
the test turn operation.
(7) After adding refrigerant, please make sure all valves of outdoor unit are open completely.
(8) In order for the troubleshooting during debugging process, the unit should be connect the computer
installed with corresponding debugging software to make sure the data of unit at real time can be
detected by computer. Please refer to the Service Manual for the installation and connection of
debugging software.
(9) Before test run, please make sure the unit is energized and the compressor is pre-heated for above
8 hours. Touch is with hand to ensure whether the preheated is normal. The unit can be started up
for test run only when the preheating is normal. Otherwise, the compressor may be damaged.
5.2.2 Test run debugging
Please refer to below instruction for test run debugging process, indicator display on main board of
outdoor and operation method:
Debugging
——
LED1
Progress
Code
db
01_Master unit
setting
db
db
02_address
distribution db
db
db
03_confirmation
of quantity of
outdoor unit
db
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Progress instruction for all debugging stages
Progress code
code
LED2
Display Display
Code
status status
ON 01 ON
ON 01 ON
ON 02 ON
ON 02 ON
ON 02 ON
ON 03 ON
ON 03 ON
Status code
Code instruction and operation method
LED3
Display
Code
status
The system hasn't enter into debugging
AO ON
status.
Press SW7 button on main board for 5s to
start debugging. The indicator on main
OC ON
board is displayed as left side. 2s later, it
will enter into the next step automatically.
The
Ad Flash distribution. 10s later, the display is as
below:
No master indoor unit. Display will be kept
for 1min. Within 1min, set master indoor
unit through debugging software. If master
indoor unit hasn't been set with hand
L7 Flash
within 1min, the system will set the indoor
unit with the minimum IP address as the
master indoor unit.
Address distribution of system is finished.
OC ON
2s later, it will enter into the next step.
Confirmation process for the system. 1s
01 Flash
later, it will enter into the next step.
System confirmation is finished. 2s later, it
OC ON
will enter into the next step.
23
system is conduct address