Gree GMV-36WL/A-T(U), Руководство пользователя

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DC Inverter Side Discharge VRF
Ⅱ
for North America
85
8 Debugging of Unit
CAUTION:
①
After the initial installation is finished and the main board of outdoor unit is
replaced, it must perform debugging. Otherwise, the unit can’t operate.
②
The debugging must be performed by professional person or under the the guide
of professional person.
8.1 Preparation for debugging
(1) Do not disconnect the power before the installation is finished,
(2) All wires for controller and electric wires must be connected correctly and reliably.
(3) Check the the fixing ring of the foot of compressor for transportaion is removed.
(4) Remove all sundries from the unit, such as metal chips, joint, forceps holder, and so
on.
(5) Check whether the appearance and pipeline system are damaged during carry or
transportation process.
(6) Calculate the required added refrigerant-charging volume according to the length of
pipe of system and pre-
charge the refrigerant. If refrigerant can’t be added any more
when the required refrigerant-
charging volume hasn’t been reached, record to
refrigerant volume which still needs to be added and continue to add refrigerant
during run test operation process. Please refer to below run test for the
refrigerant-adding stage during run test process.
(7) After adding refrigerant, please make sure the valve for outdoor is opened
completely.
(8) For the convenient of troubleshooting, the unit can’t be connected to the PC which
installed with related debugging software and make sure that the the datas in real
time of this unit can be inspected by this computer. Please refer to Service Manual
for the installation and connection of the bebugging software.
(9) Before turn test, please do make sure that the preheat time for compressor is 8h
above and touch the compressor to see whether preheat is normal. You can perform
run test only after normal preheat. Otherwise, it may damage the compressor.