Gree GMV-450WM/B-X User Manual

D.C. Inverter Multi VRF Modular
60
Broken fuse or breaker trips off
Replace fuse or connect breaker
Insufficient energy of remote controller
Replace new battery
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
Remove obstruction
Abnormal cooling
or heating
Air intake or outlet of indoor or outdoor unit is
blocked
Remove obstruction
Improper temperature setting
Adjust setting at wireless remote controller
or wired controller
Fan speed is set too low
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
Direct sunshine
Draw curtain or louver
Too many people in the room
Too many heat resources in the room
Reduce heat resources
Filter is blocked for dirt
Clean the filter
Note:
①
When installing remote monitor or central controller, displacement on indoor units’ project
codes must be made. Otherwise, there will be collision malfunction of the project codes.
For detail operation methods, please refer to the GMV5 Installation and Maintenance
Manual.
②
If problem can not be solved after checking the above items, please contact Gree service
center and show phenomena and models.
Following circumstance are not malfunction.
“Malfunction”
Reason
Unit doesn’t run
When unit is started immediately after it is just
turned off
Overload protection switch makes it run
after 3 minutes delay
When power is turned on
Standby operating for about 1 minute
Mist comes from
the unit
Under cooling
Indoor high humidity air is cooled rapidly
Noise is emitted
Slight cracking sound is heard when just turned
on
It is noise when electronic expansion valve
initialization
There is consecutive sound when cooling
That's sound for gas refrigerant flowing in
unit
There is sound when unit starts or stops
That's sound for gas refrigerant stops to flow
There is slight and consecutive sound when unit
is running or after running
That's sound for operation of drainage
system
Cracking sound is heard when unit is operating
and after operating
That’s sound caused by expansion of panel
and other parts due to temperature change
The unit blows out
duct
When unit runs after no operation for a long
period
Dust in indoor unit is blew out

Gree GMV-450WM/B-X Specifications

General

Brand	Gree
Model	GMV-450WM/B-X
Category	Air Conditioner
Language	English