Lennox GCM Series User manual

ENGLISH ITALIANO ESPAÑOL FRANÇAIS DEUTSCH GREEK
OWNER'S MANUAL
HI WALL
GCM/GHM
GHA

ENGLISH
Room Air Conditioner
OWNER'S MANUAL
HI WALL TYPE ROOM AIR CONDITIONER
• Please read carefully and thoroughly this manual
before operating this unit.
• Contact the authorized SVC man for repair or
maintenance of this unit.
• Contact the installer for installation of this unit.
• The appliance is not intended for use by young children or
infirm persons without supervision.
• Young children should be supervised to ensure that they
do not play with the appliance.
Prior to installation, this air-conditioning
unit must be submitted for approval by the utility
service which provides electricity (EN 61000-3 Norm).

2
Safety PrecautionsOperating InstructionsCare and MaintenanceTroubleshooting Tips
WARNING
WARNING
CAUTION
CAUTION
WARNING
WARNING
Safety precautions
Safety Precautions
Warning ................................2
Caution .................................3
Operating Instructions
Preparation before operation ..4
Remote Control Features .....5
Operation Mode Selection ......6
Additional features..............11
Care and Maintenance
Care and Maintenance .......14
Operation Tips....................16
Troubleshooting tips
Before You
Call For Service...............17
To prevent injury and property damage, follow these instructions.
Incorrect operation due to ignoring instructions will cause harm or
damage, the seriousness of which is indicated by the following
symbols.
This symbol shows the possibility of death or serious injury.
This symbol indicates the possibility of injury or damage to
property.
Plug in the power plug
properly.
Do not operate or stop the unit by
inserting or pulling out the power plug.
Do not damage or use an
unspecified power cord.
•Otherwise, it will cause electric shock
or fire due to heat generation or
electric shock.
•It will cause electric shock or fire due
to heat generation. •It will cause electric shock or fire. •
In the supply cord is damaged, it mut be
replaced by the manufacturer or its service
agent or a similarly quallfied person in order
to avoid a hazard. (Y Attachment)
Do not modify power cord length or
share the outlet with other appliances. Do not operate with wet hands or in damp environment. Do not direct airflow at room occupants only.
•It will cause electric shock or fire due
to heat generation. •It may cause electric shock. •This could damage your health.
Always perform grounding work. Do not allow water to run into
electric parts. Always install air leakage breaker and a dedicated switching board.
•No grounding may cause electric
shock. •It may cause failure of machine or electric shock. •No installation may cause fire and electric shock accident.
Unplug the unit if strange
sounds, smell, or smoke
comes from it.
Do not use the socket if it is
loose or damaged. Do not open the entrance during operation.
•It may cause fire and electric
shock accident. •It may cause fire and electric shock. •It may cause electric shock.
Keep firearms away.
Do not use the power cord close to the
heating tools.
Do not use the power cord near flammable
gas or combustibles, such as gasoline,
benzene, thinner, etc.
•It may cause fire. •It may cause fire and electric shock. •It may cause an explosion or fire.
■ The following items are classified by these symblos.
Never Do This
Always Do This

ENGLISH
3
CAUTION
CAUTION
WARNING
WARNING
Never touch the metal parts
of the unit when removing
the filter.
Do not clean the air
conditioner with water. Ventilate well when used together with a stove, etc.
•They are sharp and may cause
injury. •Water may enter the unit and degrade the insulation. It may
cause an electric shock.
•An oxygen shortage may occur.
When cleaning the unit,
first make sure the power
and breaker are turned off.
Do not put a pet or house
plant where it will be
exposed to direct air flow.
Do not use appliance for special
purpose such as animals or
vegetables, precision machine,
or conservation of art articles.
•Since the fan rotates at high
speed during operation, it may
cause injury.
•This could injure the pet or
plant. •It may cause damage of animals or vegetables or loss of
property.
Stop operation and close
the window in storm or
hurricane.
Hold the plug by the head of
the power plug when taking
it out.
Turn off the main power
switch when not using it for
a long time.
•Operation with windows opened
may cause wetting of indoor and
soaking of household furniture.
•It may cause electric shock and
damage. •It may cause failure of product or fire.
Do not place obstacles
around the absorption inlet or
instead of blowing-out inlet.
Ensure that an installation console of
the outdoor appliance is not damaged
due to the use for a long time.
Always insert the filters
securely. Clean it once
every two weeks.
•It may cause failure of appliance
or accident. •If leaving appliance damaged, there is concern of damage due
to the falling of product.
•Operation without filters may
cause failure.
Do not use strong detergent
such as wax or thinner but
use a soft cloth.
Do not place heavy object on the
power cord and take care so that
the cord should not be pressed.
Do not drink water drained
from air conditioner.
•Appearance may be deteriorated
due to change of product color or
scratching of its surface.
•There is danger of fire or electric
shock. •It contains contaminants and will make you sick.
Ventilate before operating air conditioner
when gas goes out. Do not disassemble or modify products randomly.
•It may cause explosion, fire and, burn. •It may cause failure and electric shock.
Use caution when unpacking and installing.
Sharp edges could cause injury.
If water enters the product, turn the power
switch of the main body of appliance off. After
taking the power-plug out from the socket,
contact with the service center.

4
Safety PrecautionsOperating InstructionsCare and MaintenanceTroubleshooting Tips
Preparation before operation
Storage and Tips For Using the Remote Control
•The remote control may be stored mounted on a
wall. •To operate the room air conditioner, aim the remote control at the signal receptor which is
located on the center or the right side of the indoor
unit.
How to Insert the Batteries
Remove the battery cover by pulling it according to the
arrow direction.
Insert new batteries making sure that the (+) and (-) of
battery are installed correctly.
Reattach the cover by sliding it back into position.
NOTES:
• Use 2 AAA(1.5volt) batteries. Do not use rechargeable
batteries.
Signal Receptor
Receives the signals from the remote control.(Signal receiving sound: two short beeps or one long beep.)
Operation Indication Lamps
On/Off : Lights up during the system operation.
Sleep Mode : Lights up during Sleep Mode Auto operation.
Timer : Lights up during Timer operation.
Defrost Mode : Lights up during Defrost Mode or Hot Start operation (Heat pump model only)
: Lights up during outdoor unit operation. (Cooling model only)
OUT
DOOR
OUTDOOR UNIT
OPERATION

5
Cooling Operation
Auto Operation
Healthy Dehumidification Operation
Flip-up door
(opened)
Heating Operation
Signal transmitter
• Cooling Model( ), Heat Pump Model( )
ON OFF
SET CANCEL
10
11
12
13
7
8
9
2
6
1
5
4
3
About the remote control on the system
ENGLISH
The remote control transmits the signals to the system.
Features of the Remote Control- Door Closed
Operation Mode
START/STOP BUTTON
Operation starts when this button is pressed
and stops when the button is pressed again.
OPERATION MODE SELECTION BUTTON
Used to select the operation mode.
ROOM TEMPERATURE SETTING
BUTTONS
Used to select the room temperature.
INDOOR FAN SPEED SELECTOR
Used to select fan speed in four steps
low, medium, high and CHAOS.
JET COOL
Used to start or stop the speed
cooling. (Speed cooling operates
super high fan speed in cooling mode.)
CHAOS SWING BUTTON
Used to stop or start louver movement and
set the desired up/down airflow direction.
ON/OFF TIMER BUTTONS
Used to set the time of starting and stopping
operation.
TIME SETTING BUTTONS
Used to adjust the time. (See page 11)
TIMER SET/CANCEL BUTTONS
Used to set the timer when the desired time
is obtained and to cancel the Timer
operation. (See page 11)
SLEEP MODE AUTO BUTTON
Used to set Sleep Mode Auto operation.
(See page 11)
AIR CIRCULATION BUTTON
Used to circulate the room air without cooling
or heating. (See page 12)
ROOM TEMPERATURE CHECKING
BUTTON
Used to check the room temperature.
RESET BUTTON
Used prior to resetting time or after replacing
batteries.
1
2
3
4
5
6
7
8
9
10
11
12
13

6
Safety PrecautionsOperating InstructionsCare and MaintenanceTroubleshooting Tips
Cooling Healthy
Dehumidification
Auto Heating
(Heat pump model only)
To raise the temperature
To lower the temperature
How to use the Operation Mode Selection button
Press the Start/Stop button.
The unit will respond with
a beep.
Open the door on the remote control. To select Cooling
Operation, press the Operation Mode Selection button.
Each time the button is pressed, the operation mode is
shifted in the direction of the arrow.
Close the door on the remote control. Set the temperature
lower than the room temperature. The temperature can be
set within a range of 18°C~30°C in 1°C increments.
Set the fan speed again with the door
of the remote control still closed. You
can select the fan speed in four steps-
low, medium, high, or CHAOS. Each
time the button is pressed, the fan
speed mode is shifted.
Cooling Operation
1
2
3
4
Natural wind by the CHAOS logic
❏For more fresh feeling than other fan speed, press the Indoor Fan Speed Selector and set to
CHAOS mode. In this mode, the wind blows like natural breeze by automatically changing fan
speed according to the CHAOS logic.

ENGLISH
7
Cooling Healthy
Dehumidification
Auto Heating
(Heat pump model only)
Cooling Healthy
Dehumidification
Auto Heating
(Heat pump model only)
To raise the temperature
To lower the temperature
Press the Start/Stop button.
The unit will respond with
a beep.
Open the door on the remote control. To select Auto
Operation, press the Operation Mode Selection button.
Each time the button is pressed, the operation mode is
shifted in the direction of the arrow.
The temperature and fan speed are automatically set by the
electronic controls based on the actual room temperature. If
you want to change the set temperature, close the door on
the remote control and press the Room Temperature Setting
buttons. The cooler or warmer you feel, the more times (up to
two times) you should press the button. The set temperature
will then be changed automatically.
During Auto Operation:
❏You cannot switch the indoor fan speed. It has already been set by the Fuzzy rule.
❏If the system is not operating as desired, manually switch to another mode. The system will not
automatically switch from the cooling mode to the heating mode, or from heating to cooling, it must be
done by manually resetting.
❏During Auto Operation, pressing the chaos swing button makes the horizontal louvers swing up and
down automatically. If you want to stop auto-swing, press the chaos swing button again.
Auto Operation
1
2
3

8
Safety PrecautionsOperating InstructionsCare and MaintenanceTroubleshooting Tips
Cooling Healthy
Dehumidification
Auto Heating
(Heat pump model only)
Press the Start/Stop button.
The unit will respond with
a beep.
Open the door on the remote control. To select Healthy
Dehumidification Operation, press the Operation Mode
Selection button.
Each time the button is pressed, the operation mode is
shifted in the direction of the arrow.
During Healthy Dehumidification Operation:
❏If you select the dehumidification mode on the operation selection button, the A/C starts to run the
dehumidification function, automatically setting the room temp. and airflow volume to the best condition
for dehumidification based on the sensed current room temp.
In this case, however, the setting temp. is not displayed in the remote control and you are not able to
control the room temp. either.
❏During the healthy dehumidification function, the airflow volume is automatically set according to the
optimization algorithm responding to the current room temp. status and makes the room condition
healthy and comfortable even in the high humidity season.
Healthy Dehumidification Operation
1
2
Set the fan speed again with the door
of the remote control still closed. You
can select the fan speed in four steps-
low, medium, high, or CHAOS. Each
time the button is pressed, the fan
speed mode is shifted.
3
Natural wind by the CHAOS logic
❏For more fresh feeling than other fan speed, press the Indoor Fan
Speed Selector and set to CHAOS mode. In this mode, the wind
blows like natural breeze by automatically changing fan speed
according to the CHAOS logic.

ENGLISH
9
Cooling Healthy
Dehumidification
Auto
To raise the temperature
To lower the temperature
Heating
(Heat pump model only)
Press the Start/Stop button.
The unit will respond with
a beep.
Open the door on the remote control. To select Heating
Operation, press the Operation Mode Selection button.
Each time the button is pressed, the operation mode is
shifted in the direction of the arrow.
Close the door on the remote control.
Set the temperature higher than the room temperature.
The temperature can be set within a range of 16°C~30°C in
1°C increments.
Set the fan speed again with the door of the
remote control still closed. You can select
the fan speed in four steps–low, medium,
high, or CHAOS. Each time the button is
pressed, the fan speed mode is shifted.
Heating Operation(Heat pump model only)
1
2
3
4
Natural wind by the CHAOS logic
❏For more fresh feeling than other fan speed, press the Indoor Fan Speed Selector and set to
CHAOS mode. In this mode, the wind blows like natural breeze by automatically changing fan
speed according to the CHAOS logic.