4
CONTENTS
ILLUSTRATIONS .....................................................................3
1. WHAT TO DO BEFORE OPERATION .............................4
2. SAFETY CONSIDERATIONS ..........................................4
3. OPERATION RANGE.......................................................6
4. INSTALLATION SITE .......................................................6
5. NAME AND FUNCTION OF EACH SWITCH AND
DISPLAY ON THE REMOTE CONTROLLER ..................6
6. OPERATION PROCEDURE ............................................7
7. OPTIMUM OPERATION ..................................................9
8. MAINTENANCE (FOR SERVICE PERSONNEL) ............9
9. NOT MALFUNCTION OF THE AIR CONDITIONER .....10
10. TROUBLE SHOOTING ..................................................11
This operation manual is for the following system with standard
control. Before initiating operation, contact your dealer for the
operation that corresponds to your system.
NOTE
• If the unit you purchased is controlled by a wireless remote
controller, also refer to the wireless remote controller’s oper-
ation manual.
If your installation has a customized control system, ask your
dealer for the operation that corresponds to your system.
TWO REMOTE CONTROLLERS CONTROL SYSTEM
Confirm the following if your unit is the following control system
type.
• 2 remote controllers control system
2 remote controllers control 1 indoor unit.
The unit is individually operated.
NOTE
• Contact your dealer in case of 2 remote controllers control
system.
Names and functions of parts
Refer to Fig. 2 on page 3
Please read these “SAFETY CONSIDERATIONS” carefully
before installing air conditioning equipment and be sure to
install it correctly. After completing the installation, make sure
that the unit operates properly during the start-up operation.
Please instruct the customer on how to operate the unit and
keep it maintained.
Also, inform customers that they should store this operation
manual along with the installation manual for future reference.
This air conditioner comes under the term “appliances not
accessible to the general public”.
Meaning of danger, warning, caution and note symbols.
DANGER
.................Indicates an imminently hazardous
situation which, if not avoided, will
result in death or serious injury.
WARNING
...............Indicates a potentially hazardous situ-
ation which, if not avoided, could result
in death or serious injury.
CAUTION
................Indicates a potentially hazardous situ-
ation which, if not avoided, may result
in minor or moderate injury. It may
also be sued to alert against unsafe
practices.
NOTE
........................Indicates situation that may result in
equipment or property-damage-only
accidents.
Keep these warning sheets handy so that you can refer to
them if needed.
Also, if this equipment is transferred to a new user, make sure to
hand over this operation manual to the new user.
DANGER
• Do not install the unit in an area where flammable mate-
rials are present due to risk of explosion resulting in seri-
ous injury or death.
• Any abnormalities in the operation of the air conditioner
such as smoke or fire could result in severe injury or
death. Turn off the power and contact your dealer imme-
diately for instructions.
• Refrigerant gas may product toxic gas if it comes in con-
tact with fire such a from a fan, heater, stove or cooking
device. Exposure to this gas could cause severe injury
or death.
• For refrigerant leakage, consult your dealer.
Refrigerant gas is heavier than air and replaces oxygen. A
massive leak could lead to oxygen depletion, especially in
basements, and an asphyxiation hazard could occur leading
to serious injury or death.
1.
WHAT TO DO BEFORE OPERATION
a
Indoor unit
b
Outdoor unit
c
Remote controller
d
Inlet air
e
Discharge air
f
Air outlet
g
Air flow flap (at air outlet)
Indoor unit
Unit with remote controller
Outdoor unit
h
Refrigerant pipe, connection electric wire
i
Drain pipe
j
Air inlet
The built-in air filter removes dust and dirt.
k
Ground wire
Wire to ground from the indoor and outdoor unit to prevent elec-
trical shocks.
2.
SAFETY CONSIDERATIONS
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