Test Operation And Debugging - Gree GMV-80WL/A-T Manual Del Propietário

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5.2 Test operation and debugging

Notice:

① After finishing the first installation or replacing the main board of outdoor unit, it is necessary to perform test

operation and debugging. Otherwise, unit won't be able to work.

② Test operation and debugging must be performed by professional technicians or under the guidance of

professional technicians.

5.2.1 Prepare the test operation and debugging

(1) Do not connect power until all installation work is finished.

(2) All control circuits and wires are correctly and securely connected.

(3) Check whether the fixing loops for compressor foots are removed.

(4) All small pieces, especially metal chips, thread ends and forceps holder, must be

removed from the unit.

(5) Check whether unit's appearance and pipeline system has been damaged during

transportation.

(6) Calculate the quantity of refrigerant that needs to be added according to the pipe

length. Pre-charge the refrigerant. In case that the required charging quantity is not

reached while refrigerant can't be added, record the quantity of refrigerant that still

needs to add and complement the quantity during test operation. For details of adding

refrigerant during test operation, see below.

(7) After refrigerant is added, make sure valves of outdoor unit are completely open.

(8) For the convenience of troubleshooting during debugging, unit shall be connected to a

PC with applicable debugging software. Make sure unit's real-time data can be

checked through this computer. The installation and connection of debugging software

can be found in the Service Manual.

(9) Before test operation, make sure unit is power on and compressor has been

preheated for more than 8 hours. Touch the unit to check whether it's normally

preheated. If yes, start test operation. Otherwise, compressor might be damaged.

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