4
CONTENTS
ILLUSTRATIONS.................................................................3
WHAT TO DO BEFORE OPERATION................................4
SAFETY CONSIDERATIONS .............................................4
OPERATION RANGE..........................................................5
INSTALLATION SITE ..........................................................6
NAME AND FUNCTION OF EACH SWITCH AND
DISPLAY ON THE REMOTE CONTROLLER .....................6
OPERATION PROCEDURE................................................7
OPTIMUM OPERATION......................................................8
MAINTENANCE (FOR SERVICE PERSONNEL)................9
NOT MALFUNCTION OF THE AIR CONDITIONER.........10
TROUBLE SHOOTING......................................................11
WHAT TO DO BEFORE OPERATION
This operation manual is for the following system with stan-
dard 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
operation 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 sys-
tem type.
• Two remote controllers control system
Two remote controllers control one indoor unit.
The unit is individually operated.
NOTE
• Contact your dealer in case of two remote controllers con-
trol system.
Refer to figure 2 on page 3
SAFETY CONSIDERATIONS
We recommend that you read this instruction manual care-
fully before use to gain full advantage of the function of the air
conditioner, and to avoid malfunction due to mishandling.
This air conditioner comes under the term “appliances not
accessible to the general public”.
• The precautions described below are WARNING and
CAUTION. These are very important precautions con-
cerning safety. Be sure to observe all of them without
fail.
WARNING
....... These are the matters with possibilities
leading to serious consequences such
as death or serious injury due to erro-
neous handling.
CAUTION
........ These are the matters with possibilities
leading to injury or material damage
due to erroneous handling including
probabilities leading to serious conse-
quences in some cases.
• After reading, keep this manual at a place where any
user can read at any time. Furthermore, make certain
that this operation manual is handed to a new user
when he takes over the operation.
WARNING
Avoid exposure of your body directly to the cold air
for a long time, or avoid excessive exposure of your
body to the cold air.
Otherwise, your physical condition may be deteriorated
and/or your health may be ruined.
When the air conditioner is in abnormal conditions
(smell of something burning, etc), turn off power, and
contact the dealer where you purchased the air con-
ditioner.
Continued operation under such circumstances may
result in a failure, electric shock, and fire.
Ask your dealer for installation of the air conditioner.
Incomplete installation performed by yourself may result in
a water leakage, electric shock, and fire.
Ask your dealer for improvement, repair, and mainte-
nance.
Incomplete improvement, repair, and maintenance may
result in a water leakage, electric shock, and fire.
Do not insert your finger, a stick, etc., into the air
inlet, outlet, and fan blades.
A fan in high-speed running may result in injury.
For refrigerant leakage, consult your dealer.
When the air conditioner is to be installed in a small room,
it is necessary to take proper measures so that the amount
of any leaked refrigerant does not exceed the limiting con-
centration even when it leaks. If the refrigerant leaks
exceeding the level of limiting concentration, an oxygen
deficiency accident may happen.
For installation of separately sold component parts,
ask a specialist.
Be sure to use the separately sold component parts desig-
nated by our company.
Incomplete installation performed by yourself may result in
a water leakage, electric shock, and fire.
Ask your dealer to move and reinstall the air condi-
tioner.
Incomplete installation may result in a water leakage, elec-
tric shock, and fire.
Names and functions of parts
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)
h
Refrigerant pipe, connection electric wire
i
Drain pipe
j
Air inlet
The built-in air filter removes dust and dirt.
k
Drain pumping out device (built-in)
Condensate removed from the room during cooling.
l
Ground wire
Wire to ground from the outdoor unit to prevent electri-
cal shocks.
Outdoor unit
Unit with remote
controller
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