GMV DC Inverter VRF
67
Status:
Unit waiting for debugging
Refrigerant recovery operation of
after-sales
SE operation setting of system
Limit setting for max. capacity/output
capacity
Heat pump function setting
Compulsory excursion of
engineering code of IDU
Inquiry of project code of IDU
Check quantity of IDU on line
Charge refrigerant automatically
Charge refrigerant manually
Cleaning reminding of filter
Debugging confirmation when
starting up the unit
Long-distance emergency stop
High temperature prevention when
heating
Emergency stop of operation
Eliminate the long-distance shielding
command of IDU
Length modification of connection
pipe of ODU
8 Maintenance and Care
Regular check, Maintenance and care should be performed every six months by
professional personnel, which will prolong the unit life span.Disconnect the power supply
before cleaning and maintenance.
8.1 Outdoor Heat Exchanger
Outdoor heat exchanger is required to be cleaned once every six months. Use vacuum
cleaner with nylon brush to clean up dust and sundries on the surface of heat exchanger. Blow
away dust by compressed air if it is available. Never use water to wash the heat exchanger.
8.2 Drain Pipe
Regularly check if the drain pipe is clogged in order to drain condensate smoothly.
8.3 Notice before Seasonal Use
(1) Check if the inlet/outlet of the indoor/outdoor unit is clogged.
(2) Check if the ground wire is earthed reliably.
(3) Check if battery of remote wireless controller has been replaced.
(4) Check if the filter screen has been set soundly.
(5) After long period of shutdown, open the main power switch 8 hours before reoperating
the unit so as to preheat the compressor crankcase.
(6) Check if the outdoor unit is installed firmly. If there is something abnormal, please
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