En-1
2. MAIN UNIT & ACCESSORIES
• The following installation parts are supplied.
Use them as required.
Name and shape Q’ty Name and shape Q’ty
Installation manual
(This manual)
1
Screw-B
10 mm
6
Operating manual
1
Cable clip
2
Grille
1
Cable tie (Medium)
3
Bracket frame
1
Bushing
1
Screw-A
10 mm
16
3. DIMENSION
Diagrams showing connection between bracket frame and grille are given below.
UTD-GXTA
[Top view] Unit: mm (in)
(2-15/16)
74
(1-1/8)
29
P200 (7-7/8) × 3=600 (23-5/8)
263
(10-3/8)
2 × Ø5 (3/16) hole
645 (25-3/8)
Bushing (*1)
4 × Ø3.2 (1/8)
burring hole
[Front view]
116 (4-9/16)
130
180
(7-1/8)
(5-1/8)
683 (26-7/8)
555 (21-7/8)
249
(9-13/16)
216
(8-1/2)
23 (7/8)
UTD-GXTB
[Top view] Unit: mm (in)
(2-15/16)
74
(1-1/8)
29
P200 (7-7/8) × 4= 800 (31-1/2)
463
(18-1/4)
2 × Ø5 (3/16) hole
845 (33-1/4)
5 × Ø3.2 (1/8)
burring hole
Bushing (*1)
[Front view]
(7-1/8)
883 (34-3/4)
180
130
(5-1/8)
116 (4-9/16)
353 (13-7/8)
312 (12-5/16)
86 (3-3/8)
775 (30-1/2)
UTD-GXTC
[Top view] Unit: mm (in)
(2-15/16)
74
(1-1/8)
29
P200 (7-7/8) × 5 = 1000 (39-3/8)
663
(26-1/8)
1045 (41-1/8)
6 × Ø3.2 (1/8)
burring hole
Bushing (*1)
2 × Ø5 (3/16) hole
AIR CONDITIONER
OPTIONAL PARTS
INSTALLATION MANUAL
AUTO LOUVER GRILLE
PART NO. 9380267034
For authorized service personnel only.
1. SAFETY PRECAUTIONS
• Be sure to read this manual thoroughly before installation.
• The warnings and precautions indicated in this manual contain important
information pertaining to your safety. Be sure to observe them.
• Hand this manual, together with the operating manual to the customer.
Request the customer to keep them on hand for future use, such as for relocating
or repairing the unit.
WARNING
This mark indicates procedures which, if improperly
performed, might lead to the death or serious injury of the
user.
Install at a location that can sufficiently withstand the weight. If the strength is
inadequate, grille may fall and cause an injury.
Firmly install the grille. Or else, it may fall and cause an injury.
Do not turn ON the power until all work has been completed. Turning ON the
power before the work is completed can cause serious accidents such as electric
shock or fire.
Never touch electrical components immediately after the power supply has been
turned off. Electrical shock may occur. After turning off the power, always wait 5
minutes or more before touching electrical components.
CAUTION
This mark indicates procedures which, if improperly
performed, might possibly result in personal harm to the
user, or damage to property.
Do not install the unit in the following areas
• In the upper part of the vicinity of room entrance. It may cause condensation
on the outlet port.
• Near a wall surface. It may cause condensation on the wall during cooling.
• Area fi lled with mineral oil or containing a large amount of splashed oil or
steam, such as a kitchen.
Perform heat insulation and field setting according the manual. Not installing as
per the instructions may cause condensation.
Do not move the up-down louvers manually. It may cause a malfunction.
Don’t install the unit where it will be exposed to direct sunlight. Or else, it may
cause a change in color.
When the installation area is exposed to direct sunlight, take measures to block
the light such as covering the grille surface with a sheet. Or else, it may cause a
change in color.
Use an appropriate grille that is compatible with the indoor unit. Refer to Design
& Technical manual for further details. If not used with the correct combination, it
may cause condensation.
Contents
1. SAFETY PRECAUTIONS ................................................................ 1
2. MAIN UNIT & ACCESSORIES ......................................................... 1
3. DIMENSION ..................................................................................... 1
4. LOCATION ....................................................................................... 2
5. INSTALLATION METHOD................................................................ 2
5.1. Mounting the bracket frame ...................................................... 2
5.2. Mounting the grille .................................................................... 3
6. WIRING-INSIDE THE EQUIPMENT ................................................ 3
6.1. For type-A ................................................................................. 3
6.2. For type-B ................................................................................. 3
6.3. For type-C1/C2 ......................................................................... 4
7. WIRING-OUTSIDE THE EQUIPMENT ............................................ 4
8. FIELD SETTING .............................................................................. 4
9. TEST OPERATION .......................................................................... 4
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中國語
[Original instructions]
En-2
Model Screw-A
GXTA 12 places
GXTB 14 places
GXTC 16 places
(4) Insulate the bracket frame. (Insulation material: Field supply)
Create a slit in the insulation material on the wiring hole so that the cable can
pass through.
*Be sure to insulate so as not to expose the metal sheet of bracket frame.
[Top view] [Side view]
Wall
Insulation material
Do not leave any clearance
Slit width:
20 to 25 mm
(3/4 to 1 in)
Indoor unit
B: When using a rectangular duct
CAUTION
Securely fasten the bracket frame on a stable foundation. Or else, it may cause an injury.
(1) Bore a hole in the wall. The rectangular duct dimensions follow fi gure below.
Create a wiring hole in the rectangular duct (right side) if the wiring hole is
covered with the rectangular duct.
[Top view] [Side view]
C: Inner dimensions of the
rectangular duct
Wall
Rectangular
duct
Indoor unit
Wiring hole
Ø 25 to 35 mm
(1 to 1-3/8 in)
42 mm
(1-5/8 in)
35 mm
(1-3/8 in)
(5-13/16 to 6 in)
148 to152 mm
C
Model C (mm (in))
GXTA
647 to 651
(25-1/2 to 25-5/8)
GXTB
847 to 851
(33-3/8 to 33-1/2)
GXTC
1047 to 1051
(41-1/4 to 41-3/8)
(2) Mount the bracket frame on the rectangular duct. Fasten it with screw-A
(Accessories) or Rivet (Field supply).
Mount so that the wiring hole is on the right side of the frame.
[Top view]
Indoor unit
Rectangular duct
Wall
Wall
Bracket
frame
No clearance
Rectangular duct
(3) Insulate the rectangular duct. (Insulation material: Field supply)
Create a slit in the insulation material on the wiring hole so that the cable can
pass through.
* Be sure to insulate so as not to expose the metal sheet of bracket frame.
[Top view] [Side view]
Insulation material
Wall
Indoor unit
Do not leave any clearance
Slit width:
20 to 25 mm
(3/4 to 1 in)
[Front view]
130
116 (4-9/16)
180
(7-1/8)
(5-1/8)
453 (7-13/16)
412 (16-1/4)
18 (11/16)
995 (39-3/16)
1083 (42-5/8)
UTD-GXTA, UTD-GXTB, UTD-GXTC
[Side view]
84 (3-5/16)
74 (2-15/16)
29 (1-1/8)
(1-3/8)
35
9 (3/8)
42 (1-5/8)
2 × Ø3.2 (1/8)
burring hole
78 (3-1/16)
148 (5-13/16)
Ø23 (7/8)
Inner Diameter (ID)
of the bushing
Ø5 (3/16) hole
*1) Detailed drawing of bushing
2 (1/16)
Bracket frame
Grille
Bushing
Ø35 (1-3/8)
Ø23 (7/8)
(1-5/8)
42
4. LOCATION
Select the installation location that meets the following requirement and that is
approved by the customer.
• Cold and warm air should reach the entire room.
GOOD PROHIBITED
Installation
height *1
*2
D ≤ 1000 mm
(39-3/8 in)
D
fl oor
*1) Refer to Design & Technical manual
for air velocity distribution and air
temperature distribution during
heating.
*2) If the distance from the ceiling is
not adequate, it may cause mildew
stains on the wall or the ceiling.
(Ensure to fi x at least 150 mm (5-
7/8 in) away from any surface of the
equipment.)
Install grille
facing the ceiling *3
Install grille
facing the floor *3
*3) Do not install as the figure shown
right. In addition, do not install
multiple grilles on a single indoor
unit. The warm air or cold air may
not run smoothly in the entire
room.
5. INSTALLATION METHOD
5.1. Mounting the bracket frame
A: When directly connecting to the indoor unit
(1) Bore a hole in the wall
(5-13/16 to 6 in)
148 to 152 mm
C
Model C (mm (in))
GXTA
647 to 651
(25-1/2 to 25-5/8)
GXTB
847 to 851
(33-3/8 to 33-1/2)
GXTC
1047 to 1051
(41-1/4 to 41-3/8)
(2) Mount the bracket frame on the wall.
Mount so that the wiring hole is on the right side of the frame.
(3) Fasten the bracket frame and the indoor unit with screw-A (Accessories).
(1-3/8 in)
35 mm
Wiring hole
Screw-A
42 mm
(1-5/8 in)
Screw-A
Indoor Unit
Wall
No clearance
Bracket frame
Wall
Screw-A
Indoor unit
[Top view] [Side view]
Unit: mm (in)
En-3
5.2. Mounting the grille
(1) Pass the cable through the wiring hole. Insert the cable so that the wiring
length from the grille to wiring hole is 150mm (5-7/8 in).
(2) Seal the wiring hole with putty from the inner side.
(3) Mount the grille on the bracket frame.
Mount so that there is no clearance between the grille and the wall.
Cable
Wiring hole
Seal the wiring hole with
putty from inner side.
* Bracket frame is actually
mounted on the wall.
150 mm
(5-7/8 in)
(4) Fasten the screw-B (6 places, Accessories).
After fastening the 2 screw-B in the center, fasten 4 screw-B on both the
sides.
STEP2 STEP1 STEP2
* Fasten the screw with the protective tape affi xed on the up-down louvers.
Remove the protective tape after the work is completed.
6. WIRING-INSIDE THE EQUIPMENT
CAUTION
• To protect the cable insulation after opening a knockout hole, remove any
burrs from the edge of the hole.
• Do not bind the power supply cable and other cables together.
Controller PCB located inside the electric equipment box differs according to the
model. Set according to the controller PCB.
Type-A Type-B Type-C1/C2
6.1. For type-A
(1) Connect the cable to the auto louver grille terminal (CN12) of the controller PCB
of the indoor unit.
Cable tie (Medium / Accessories)
DIP switch “SET4”
Auto louver grille terminal (CN12)
Controller PCB
• Wiring arrangement
Switches PCB
Opening this
knockout hole
Bushing (Accessory)
Auto louver grille cable
Cable tie
(Medium / Accessories)
Open a knockout hole. Insert the bushing. And
pass the louver grille cable through this hole.
* Collect all the cables if there are any other cables. Refer to the installation manual
of the indoor unit for details.
(2) Set SW2 of DIP switch “SET4” to ON.
ON
OFF
SW SW SW SW
1
2
3
4
DIP switch “SET4”
6.2. For type-B
(1) Connect the cable to the auto louver grille terminal (CN11) of the controller
PCB of the indoor unit.
Auto louver grille
terminal(CN11)
Bushing (Accessory)
Controller PCB
Jumper wire JM2
Cable tie (Medium / Accessories)
• Wiring arrangement
Opening this
knockout hole
Bushing (Accessory)
Auto louver grille cable
Cable tie
(Medium / Accessories)
Open a knockout hole. Insert the bushing. And
pass the louver grille cable through this hole.
* Collect all the cables if there are any other cables. Refer to the installation manual
of the indoor unit for details.
(2) Cut jumper wire JM2
JM1
JM2
JM3
Jumper wires
En-4
6.3. For type-C1/C2
(1) Connect the cable to the auto louver grille terminal (CN12) of the controller PCB
of the indoor unit.
DIP switch “SET4” (Type-C1 only)Auto louver grille terminal (CN12)
ClampController PCB
Switches PCB (Type-C1 only)
• Wiring arrangement
Opening this
knockout hole
Bushing (Accessory)
Auto louver grille cable
Cable tie
(Medium / Accessories)
Open a knockout hole. Insert the bushing. And
pass the louver grille cable through this hole.
* Collect all the cables if there are any other cables. Refer to the installation manual
of the indoor unit for details.
For Type-C1 (Indoor units with switches PCB)
(2) Set SW2 of DIP switch “SET4” to ON.
ON
OFF
SW SW SW SW
1
2
3
4
DIP switch “SET4”
For Type-C2 (Indoor units without switches PCB)
(3) If there is no switches PCB in the indoor unit, set it with wired remote controller
or wireless remote controller. Please refer to the installation manual of the
indoor unit and the remote controller.
7. WIRING-OUTSIDE THE EQUIPMENT
(1) Firmly fasten the cable in line with the side surface of the indoor unit with
cable clip. Fasten the cable clip jointly with the screw of the control box cover.
Cable clips × 2
(Accessories)
Sagging of the wire:
under 20 mm (3/4 in)
Wires should not
touch the ceiling
Bundle the extra cables as shown in the diagram.
Cable tie (Accessories)
60 to 100mm
(2-3/8 to 3-15/16 in)
* If the indoor unit is not installed in the wall, cover the exposed part of
cable with a 1 mm (0.039 in) thick or more insulation tubing.
8. FIELD SETTING
CAUTION
Set the static pressure settings correctly. If not set correctly, it may cause a condensation.
Perform static pressure setting according to the static pressure on the inlet
side. For details of static pressure setting, refer to the corresponding contents
of “Field setting” in indoor unit installation manual. Perform the static pressure
settings with the up-down louvers and right-left louvers in horizontal position.
9. TEST OPERATION
Adjust the right-left louvers so that warm air and cold air reaches the
entire room.
Refer to the operating manual, operate the up-down louvers with a re-
mote controller and check the up-down louvers is operating normally.
If the up-down louvers is unable to work properly, confi rm the instructions
in "6. WIRING-INSIDE THE EQUIPMENT".
• Have the connectors been tightly inserted?
• Has the DIP switch been correctly set?
• Have the jumper wires been correctly cut?
If the indoor unit does not work, troubleshoot according to the instructions
on the installation manual of indoor units. If it still does not work, consult
with your dealer or service center.
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