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2.3. Accessories
For installation purposes, be sure to use the parts supplied by the manufacturer or
other prescribed parts.
The use of non-prescribed parts can cause serious accidents such as the unit to fall,
water leakage, electric shock, or fi re.
The following installation parts are furnished. Use them as required.
Keep the Installation Manual in a safe place and do not discard any other accessories
until the installation work has been completed.
Do not discard any accessories needed for installation until the installation work has
been completed.
Name and Shape
Operating manual
Installation manual
Hanger
Drain hose insulation
Cable tie (large)
Cable tie (small)
Cable tie
Wire clamper
Remote controller
Remote controller cable
(*1)
Screw (M4 × 16)
Coupler heat
insulation (large)
Coupler heat
insulation (small)
WARNING
Q'ty
Description
1
(This book)
1
For suspending the indoor unit
from ceiling
4
Insulates the drain hose and
vinyl hose
1
For fi xing the drain hose
1
For remote controller and re-
1
mote controller cable binding
For electrical wiring
2
(22,24 model)
For electrical wiring
1
(22,24 model)
For air conditioner operation
1
For connecting the remote
controller
1
For installing the remote
2
controller
For indoor side pipe joint (gas)
1
For indoor side pipe joint
(liquid)
1
Special nut A
(large fl ange)
Special nut B
(small fl ange)
(*1) Not supplied for ART series
2.4. Optional parts
Parts name
Model No.
Wired remote controller
UTY-RNN*M
Wired remote controller
UTY-RVN*M
Simple remote controller
UTY-RSN*M
Remote sensor unit
UTY-XSZX
External connect kit
UTD-ECS5A
Square fl ange
UTD-SF045T
Round fl ange
UTD-RF204
Long-life fi lter
UTD-LF25NA
Drain pump unit
UTZ-PX1NBA
3. INSTALLATION WORK
3.1. Selecting an installation location
Especially, the installation place is very important for the split type air conditioner be-
cause it is very diffi cult to move from place to place after the fi rst installation.
Select installation locations that can properly support the weight of the indoor. Install
the units securely so that they do not topple or fall.
Do not install the unit in the following areas:
• Area with high salt content, such as at the seaside.
It will deteriorate metal parts, causing the parts to fail or the unit to leak water.
• Area fi lled with mineral oil or containing a large amount of splashed oil or steam,
such as a kitchen.
It will deteriorate plastic parts, causing the parts to fail or the unit to leak water.
• Area that generates substances that adversely affect the equipment, such as
sulfuric gas, chlorine gas, acid, or alkali.
It will cause the copper pipes and brazed joints to corrode, which can cause
refrigerant leakage.
• Area that can cause combustible gas to leak, contains suspended carbon fi bers or
fl ammable dust, or volatile infl ammables such as paint thinner or gasoline.
If gas leaks and settles around the unit, it can cause a fi re.
• Area where animals may urinate on the unit or ammonia may be generated.
Do not use the unit for special purposes, such as storing food, raising animals, growing
plants, or preserving precision devices or art objects.
It can degrade the quality of the preserved or stored objects.
Do not install where there is the danger of combustible gas leakage.
Do not install the unit near a source of heat, steam, or fl ammable gas.
Install the unit where drainage does not cause any trouble.
Install the indoor unit, outdoor unit, power supply cable, transmission cable, and remote
controller cable at least 1 m away from a television or radio receivers. The purpose of
this is to prevent TV reception interference or radio noise.
(Even if they are installed more than 1 m apart, you could still receive noise under
some signal conditions.)
Take precautions to prevent the unit from falling.
Decide the mounting position with the customer as follows:
(1) Install the indoor unit in a location having suffi cient strength to support the weight of
the indoor unit.
(2) The inlet and outlet ports should not be obstructed; the air should be able to blow all
over the room.
For suspending the indoor unit
from ceiling
4
For suspending the indoor unit
from ceiling
4
Application
For air conditioner operation
For air conditioner operation
For air conditioner operation
Room temperature sensor
For control input/output port
WARNING
CAUTION
En-2
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