GMV DC Inverter VRF
61
Reference of Debug Parameters of GMV5E DC Inverter Multi VRF System
Operating freq of fan
motor 1
Adjusts in 0~65Hz according to system pressure.
Operating freq of fan
motor 2
●Adjusts in 0~65Hz according to system pressure.
Inlet tube temp of indoor
heat exchanger
●According to different ambient temp, for a same IDU
under cooling mode, inlet tube temp will be 1 ~7
℃
lower
than outlet tube temp.
●For a same IDU under heating mode, inlet tube temp will
be 10 ~20
℃
lower than outlet tube temp.
Outlet tube temp of
indoor heat exchanger
Opening angle of indoor
EXV
Adjusts opening angle automatically in 200~2000PLS.
Communi
-cation
parameter
●Quantity of IDU and ODU detected by software is the
same with actual quantity. No communication error.
●IDU can drain water out completely and smoothly.
Condensate pipe has no backward slope of water. Water
of ODU can be drained completely through drainage pipe.
No water drop from unit base.
●Compressor and indoor/outdoor fan motor has no
strange noise. Unit operates normally.
6 Common Malfunction and Troubleshooting
Check the following items before contacting for repair.
Check if the voltage is within rating range
Broken fuse or breaker trips off
Replace fuse or connect breaker
Insufficient energy of remote controller
Remote controller is out of control scope
Control scope is within 8m
Unit runs but stop
immediately
Air intake or outlet of indoor or outdoor unit is
blocked
Abnormal cooling
or heating
Air intake or outlet of indoor or outdoor unit is
blocked
Improper temperature setting
Adjust setting at wireless remote controller
or wired controller
Adjust setting at wireless remote controller
or wired controller
Wind direction is not correct
Adjust setting at wireless remote controller
or wired controller
Door or windows are opened
Close the door or windows
Too many people in the room
Too many heat resources in the room
Filter is blocked for dirt