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2.4. Optional parts
Description
Receiver unit
Remote sensor
External output wire
External input (voltage) wire
External input (no voltage) wire
Auto louver grille
3. INSTALLATION WORK
3.1. Selecting an installation location
Correct initial installation location is important because it is diffi cult to move unit after it is
installed.
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 40 in. (1 m) away from a television or radio receivers. The pur-
pose of this is to prevent TV reception interference or radio noise.
(Even if they are installed more than 40 in. (1 m) apart, you could still receive noise
under some signal conditions.)
If children under 10 years old may approach the unit, take preventive measures so that
they cannot reach the unit.
• Decide the mounting position with the customer as follows:
(1) Install the indoor unit on a place having a suffi cient strength so that it withstands
against 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.
(3) Leave the space required to service the air conditioner.
(4) A place from where the air can be distributed evenly throughout the room by the unit.
(5) Install the unit where connection to the outdoor unit is easy.
(6) Install the unit where the connection pipe can be easily installed.
(7) Install the unit where the drain pipe can be easily installed.
(8) Install the unit where noise and vibrations are not amplifi ed.
(9) Take servicing, etc., into consideration and leave the spaces. Also install the unit
where the fi lter can be removed.
En-3
Parts
Application
For the wireless remote
UTB-*WC
controller.
UTD-RS100
Room temperature sensor
P/N 9379529006
For control output port
P/N 9368779016
For control input port
P/N 9368779009
For control input port
UTD-G*S*-W
For Auto louver grille
WARNING
CAUTION
3.2A. Installation dimensions (Ceiling concealed type)
Provide a service access for inspection purposes.
Do not place any wiring or illumination in the service space, as they will impede service.
Installation Dimensions
Strong and durable ceiling
Left
side
5-29/32 (150)
or more
25/32 (20) or more
25/32 (20) or more
Service access
Adjust the wind direction in the room depending on the shape of blow out opening.
Unit
Service space
3.2B. Installing drain pipes (Wall mounted type/Floor
standing concealed type)
The wall mounted type/fl oor standing concealed type requires a temperature correc-
tion setting. Perform this in "7. FIELD SETTING".
13/32 (10) or less
13/32 (10) or less
Left side
5-29/32 (150)
or more
Strong and
5-29/32 (150)
durable fl oor
or more
Left side
5-29/32 (150)
or more
Strong and
5-29/32 (150)
durable fl oor
or more
Indoor unit
15-3/4 (400)
or more
11-13/16 (300) or more
Ceiling
Floor
Unit: in. (mm)
Service access
Control
box
15-3/4 (400)
or more
Unit: in. (mm)
Right side
(PIPE side)
Grille
Inlet air
Strong and
durable fl oor
15-3/4 (400)
25/32 (20)
25/32 (20)
or more
or more
or more
Right side
(PIPE side)
Grille
Inlet air
Strong and
durable fl oor
15-3/4 (400)
25/32 (20)
25/32 (20)
or more
or more
or more
Unit: in. (mm)
Right
side
5-29/32 (150)
or more
Duct
5-29/32 (150)
or more