Gree GWH09MB-D3DNA3D User manual

Change for Life
Split Air Conditioner
Owner's Manual
Residential Air Conditioners
Thank you for choosing Residential Air Conditioners,please read this owner’s
manual carefully before operation and retain it for future reference.
MODEL: GWH09MB-D3DNA3D/I
GWH12MB-D3DNA3D/I
GWH18MC-D3DNA3D/I
GW
GWH09MB-D3DNA8D/I
GWH12MB-D3DNA8D/I
GWH12MB-D3DNA2D/I
H18MC-D3DNA2D/I

■
■
■
■
■
■
■
■
■
■
■
Do not dispose this product as unsorted municipal waste.
Collection of such waste separately for special treatment
is necessary.
CONTENTS
Operation and maintenance
Notices for operation ...................................................................... 1
Notices for use ............................................................................... 3
Names and functions of each part ................................................. 4
Operation of wireless remote control ............................................. 5
Clean and care .............................................................................. 11
Troubleshooting ............................................................................. 13
Installation service
Notices for installation ................................................................... 16
Installation dimension diagram ...................................................... 18
Install indoor unit ........................................................................... 19
Check after installation and test operation .................................... 22
Emergency operation .................................................................... 10
■Installation and Maintenance of Healthy Filter .............................. 23
Never attempt. Be sure to follow this instruction
The physical product may differ from the drawing in this manual for different display.
If there are some differences between them, please refer to the physical product as
the standard.
This appliance is not intended for use by persons (including children) with reduced
physical, sensory or mental capabilities or lack of experience and knowledge,
unless they have been given supervision or instruction concerning use of the appliance
by a person responsible for their safety.
Children should be supervised to ensure they are away from the appliance.

1
★
★
★
★
★ The power supply
must adopt the
special circuit that with air
switch protection and assure
★
★Keep combustilble
spray away from the
units more than 1m.
★
Don't block the air
intake or outlet vents
of both the outdoor and indoor
units.
It can decrease the air conditioning
capacity or cause a malfunction.
Don’t leave windows
and doors open for
a long time while operating
the air conditioner.
It can decrease the air
conditioning capacity.
It can cause a fire or explosion
Don’t attempt to
repair the air
conditioner by yourself.
The wrong repair will lead to
an electric shock or fire, so
you should contact the service
center to repair.
Be sure to pull out
the power plug as
the air conditioner not in use
for a long time.
Otherwise, the accumulated
dusts that may cause over
heating or fire.
Never splice the
power cord or use
an extended cord.
It can cause overheating or
fire.
When having a
burning smell or
smoke, please turn off the
power supply and contact
with the service center.
If the abnormity still exists,
the unit may be damaged,
and may cause electric
shock or fire.
Please read the following carefully before operating
Notices for operation
components would be easily
damaged, when the voltage
is very low, the compressor
vibrates terribly and that the
refrigerant system will be
damaged, the compressor
and electric components
cannot work, the voltage
should be stable; there
shouldn’t be big fluctuation.
When the voltage
is very high, the
it has enough capacity.
The unit will be turned
on or off according to your
requirement automatically,
please do not turn on or turn
off the unit frequently, other-
wise disadvantage effect may
be caused to the unit.

2
★★
★★
★
★
★
★
Notices for operation
Don’t apply the cold wind to
the body for a long time.
It can cause the health problems.
Splashing water on the air
conditioner can cause an electric
shock and malfunction.
Don’t place a space heater
near the air conditioner.
Don’t blow the wind to animals
and plants directly. It can cause
a bad influence to them.
Don’t insert your hands or stick into
the air intake or outlet vents.
Don’t use the air conditioner
for other purposes, such as
drying clothes, preserving foods, etc.
To adjust the airflow direction
appropriately. When operating
the unit, to adjust the vertical and lateral air
flow direction by use of remote controller.
Swing louver Guide louver
Please don't cut off or damage the
power cords and control cords.
If they are damaged, please ask the qualified
personnel to change them.

3
Notices for use
Working principle and special functions for cooling
Principle:
Air conditioner absorbs heat in the room and transmit to outdoor and discharged,
so that indoor ambient temperature decreased, its cooling capacity will increase
or decrease by outdoor ambient temperature.
Anti-freezing function:
If the unit is running in COOL mode and in low temperature, there will be frost formed
on the heat exchanger, when indoor heat exchanger temperature decreased below 0℃
the indoor unit microcomputer will stop compressor running and protect the unit.
Principle:
Working principle and special functions for heating
*Air conditioner absorbs heat in the room and transmit to outdoor and discharged,
will increase, its heating capacity will decrease by outdoor ambient temperature.
so that indoor ambient temperature increased, so room heating capacity.
*If outdoor temperature got lower, please operate with the other heating ventilating
equipments.
Defrosting:
*When outdoor temperature is low but high humidity, after a long while running,
frost will form on outdoor unit, that will effect the heating effect, at this time,
the auto defrosting function will act, the heat running will stop for 8-10mins.
*During the auto defrosting, the fan motors of indoor unit and outdoor unit will stop.
*During the defrosting, the indoor indicator flashes, the outdoor unit may emit vapor.
This is due to the defrosting, it isn't malfunction.
*After defrosting finished, the heating will recover automatically.
Anti-freezing function:
In "HEAT" mode, if in the following status, the indoor heat exchanger haven't achieve
the certain temperature, that the indoor unit will not act, in order to prevent cool air
blowing. (Within 3mins)
1. Heating starts.
The climate type of this unit is according to the nameplate.
2. After Auto defrosting finished.
3. Heating under the low temperature.