Gree GWH09MA-A3DNA3A User manual

HIGH-WALL DUCTLESS
AIR CONDITIONING &
HEATING SYSTE
Models:
GWH09MA-A3DNA3A
GWH12MB-A3DNA3A
GWH09MB-D3DNA3D
GWH12MB- D3DNA3D
GWH18MC-D3DNA3D
GWH24MD-D3DNA3D
GWH30LB-D3DNA3E
GWH36LB-D3DNA3E

1
Contents
• Safety Precautions 2
• Part Names 4
• Operation of Wireless Remote Controller 5
• System Functions 16
• Cleaning and Caring for Your Unit 17
• Troubleshooting 19
• System Operations/Energy Saving Tips 21
• Warranty Back
Thank you for choosing a
High-Wall Ductless
Air Conditioning & Heating System!
You can feel confident in your selection because the same pride in
craftsmanship and engineering knowledge that goes into millions
of other Gree installed products worldwide has gone into your unit.
Please read this owner’s manual carefully before operation
and retain it for future reference.

WARNING
2
SAFETY PRECAUTIONS
Please read the following before operation.
Recognize safety information. This is the safety-alert symbol. When you see this
symbol on the unit and in instructions or manuals, be alert to the potential for personal
injury. Understand these signal words: DANGER, WARNING, and CAUTION. These
words are used with the safety-alert symbol.
DANGER identifies the most serious hazards which will result in severe personal injury
or death.
WARNING signifies hazards which could result in personal injury or death.
CAUTION is used to identify unsafe practices which may result in minor personal
injury or product and property damage.
NOTE is used to highlight suggestions which will result in enhanced installation,
reliability, or operation.
NOTE: Your actual air conditioning & heating system and related devices may differ
from the images shown in this manual.
This appliance is not intended for use by children without responsible adult supervision.
Proper care should be taken to ensure safety.
Heat pumps, air conditioners & heating equipment should be installed, started up, and
serviced only by qualified installers and service technicians. Air conditioning, heat pumps
and refrigeration systems are hazardous due to high voltage electrical components, high
refrigerant pressures, and moving parts.

CAUTION
SAFETY PRECAUTIONS
Please read the following before operation.
• Disconnect electrical power to the neo system before performing any maintenance
or cleaning.
• Do not attempt to repair the neo system yourself. Incorrect repairs may cause
electric shock or fire. Contact a qualified service technician for all service requirements.
• Do not splice the power cord or use an extension cord. Overheating can occur,
causing a fire hazard.
• Keep combustible materials away from the unit.
• Do not put hands or any objects into the air inlets or outlets. This may cause personal
injury or damage the unit.
• When cleaning, be careful not to splash water on the unit. Doing this may cause
electric shock or damage to unit.
Front Panel Display
The front panel on the neo indoor unit contains system status lights and an easy-to-read
LED display.
NOTE: The indoor unit display panel can be turned ON or O via the LIGHT button
on the remote controller. See "LIGHT" button description for more detail.
3
: COOL
: DRY
: HEAT
: POWER
: SET TE P
Icons Displayed
WARNING

4
PART NA ES
Indoor unit
Part Name
1. Remote Controller
2. ront Panel
3. Air ilter
4. Horizontal Louver
5. Wall Hole Sleeve
6. Insulation
7. Refrigerant Pipes
8. Drain Hose
Outdoor unit
2
3
6
5
8
7
4
1

• Low • Medium • High
5
OPERATION OF WIRELESS RE OTE CONTROLLER
RE OTE CONTROLLER OPERATIONS
The neo universal wireless remote controller is sleek, versatile and allows you to change
room temperatures and functions on unit from the palm of your hand. The large LCD
display and buttons make it easy-to-understand and easy-to-use.
The remote controller may be used for several neo units. It can operate the unit from a distance
of up to 25 ft. (7.6 m) as long as there are no obstructions. This is one-way communication only
(from remote controller to indoor unit.)
The remote controller is set from factory to display temperatures in° . If °C is desired, turn
the remote OFF and then press “ ODE“ and “––” buttons on the remote simultaneously.
NOTE: Not every unit has each of the functions described below. If your unit does
not come equipped with a certain function, the button will be inactive.
ON/OFF Button
• Pressing this button will turn the unit on and off. Using the
ON/OFF function will cancel TI ER and SLEEP functions,
but preset times will not be affected.
ODE Button
• Pressing this button will present the AUTO, COOL, DRY,
FAN and HEAT mode options which can then be selected.
AUTO mode is the default mode. When the indoor unit
first powers on under this mode, the temperature will not
be displayed.
FAN Button
• Pressing this button will present the AUTO, LOW, EDIU , and HIGH speed options
which can then be selected.
NOTE: When the indoor unit first powers on, the AUTO fan speed is the default mode.
In DRY ODE, the fan will automatically run at low speed.
• Do not drop or throw remote controller.
• Protect remote controller from water
• Keep remote controller away from direct sunlight or high heat.
: AUTO
: COOL
: DRY
:
FAN ONLY
: HEAT
Icons Displayed
WARNING
CAUTION
WARNING
CAUTION

6
OPERATION OF WIRELESS RE OTE CONTROLLER
ON/OFF Button
ODE Button
FAN Button
Signal Transmitter

7
OPERATION OF WIRELESS RE OTE CONTROLLER
RE OTE CONTROLLER FUNCTIONS
CLOCK Button
• Press the CLOCK button to enter Clock Setup Mode. The clock icon will begin
flashing. Set the clock by pressing the + or - buttons. Press once for slow adjustment;
press and hold down for fast adjustment. When finished, press the CLOCK button to
save your clock settings. Note that this is the current time,
not the timer setting.
NOTE: The clock panel on the remote controller will display the time regardless of
whether the unit is ON or OFF.
LIGHT Button
• Press the LIGHT button to turn On or Off the display on the indoor unit front
panel. When the indoor unit first powers on, the front panel display will default
to ON. The LIGHT icon will display when the front panel display is ON.
TURBO Button
• Press the TURBO button to reach the desired room temperature faster. After
selecting the“HEAT”or“COOL” mode button, push the“TURBO” button.
This will force the unit to run at ultra high speed. When TURBO mode is running,
the TURBO icon is displayed on the remote controller.
X-FAN Button
• Press the X-FAN button to allow the indoor fan to run for 10 minutes after the
unit is turned off (cooling or dry modes only) to ensure that additional moisture
is removed from coil. X-FAN icon will be displayed on remote controller.
+ Button
• Press the + button to raise the room setpoint. Press once for slow adjustment
and hold down for fast adjustment.
– Button
• Press the – button to lower the room setpoint. Press once for slow adjustment
and hold down for fast adjustment.

8
OPERATION OF WIRELESS RE OTE CONTROLLER
CLOCK Button
– Button + Button
TURBO Button
X-FAN Button
LIGHT Button

9
OPERATION OF WIRELESS RE OTE CONTROLLER
TI ER ON Button
• Press the TI ER ON button to enter TI ER mode. The TI ER ON icon will begin
flashing. Set the time period when the unit will turn on by pressing the + or - buttons.
Press once for slow adjustment and hold down for fast adjustment.
TI ER OFF Button
• Press the TI ER OFF button to enter TI ER mode. The TI ER OFF icon will begin
flashing. Set the time period when the unit will turn off by pressing the + or - buttons.
Press once for slow adjustment and hold down for fast adjustment.
Temp Button
• Press this button to select either Room Setpoint, Room Temperature or Outdoor
Temperature on the indoor unit front panel display. The front panel display will always
revert to room setpoint after 5 seconds. When the indoor unit first powers on it will
display the room setpoint setting. Look for the “thermometer” icon to appear inside
or outside the ”house” icon on the remote controller display, indicating whether the
front panel is displaying room setpoint, indoor or outdoor temperatures.
SLEEP Button
• Press the SLEEP button to activate SLEEP function and select one of three comfortable
SLEEP modes. The SLEEP icon will be displayed.
VERTICAL SWING LOUVER
• Press the button to adjust the direction of airflow in the room. By moving the
louvers up or down, you can control the air for maximum comfort.