Fujitsu UTB-YDB Installation Instruction
En-1
English
SAFETY PRECAUTIONS
● Before using the appliance, read these “SAFETY PRECAUTIONS” thoroughly and operate in the correct way.
● The instructions in this section all relate to safety; be sure to maintain safe operating conditions.
SAFETY PRECAUTIONS ............................................... 1
STANDARD PARTS ........................................................ 2
FLOW OF INSTALLATION .............................................. 2
INSTALLATION ............................................................... 3
SETTING......................................................................... 5
• EXPLANATION OF TERMS ......................................... 5
• NAME OF PARTS ......................................................... 6
• TURN ON THE POWER ............................................... 7
• SETTINGS .................................................................... 7
• REMOTE CONTROLLER SETTINGS .......................... 8
• INDOOR UNIT REGISTRATION ................................ 11
• FINAL STEP ............................................................... 13
• ERROR CODE ........................................................... 14
CAUTION
This mark indicates procedures which, if improperly performed, might possibly result in personal harm
to the user or damage to property.
● Do not wire the remote controller cord and the bus
wire together with or parallel to the connection cables, transmission cords, and power supply cords
of the indoor and outdoor units. It may cause erroneous operation.
● Do not expose the controller directly to water.
● Do not operate the controller with wet hands.
● Do not touch the switches with sharp objects.
● Always turn off the electrical breaker whenever
cleaning the controller, the air conditioner or the
air filter.
CONTENTS
Group Remote Controller (UTB-*D*)
INSTALLATION INSTRUCTION SHEET
(PART NO. 9374707034)
For authorized service personnel only.
WARNING
This mark indicates procedures which, if improperly performed, might lead to the death or serious
injury of the user.
● For the air conditioner to operate satisfactorily, install
it as outlined in this installation instruction sheet.
● Do not turn on the power until all installation work is
complete.
● Installation work must be performed in accordance with
national wiring standards by authorized personnel only.
Let the customer keep this installation instruction sheet because it is needed when the air conditioner or remote controller is
serviced or moved.
● Check the condition of the installation stand for
damage.
● Ensure that any electronic equipment is at least
one meter away from the controller.
● Avoid installing the controller near a fireplace or
other heating apparatus.
● When installing the controller, take precautions to
prevent access by infants.
● Do not use inflammable gases near the controller.
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STANDARD PARTS
The following installation parts are supplied. Use them as required.
Q’ty
1
4
Application
Use for air conditioner
operation
Use this for writing the
names of the indoor units
that have been registered.
Name and Shape
Group remote
controller
Label
Q’ty
2
1
Application
For installing the remote
controller
For remote controller
and remote controller
cord binding
Name and Shape
Tapping screw
(M4 × 16 mm)
Binder
* Use of this product requires a special convertor and connection cable.
These are provided as service parts, so please contact authorized service personnel.
FLOW OF INSTALLATION
The following is the flow of the installation of Group remote controller.
• INSTALLATION
• SETTING
INSTALLING THE REMOTE
CONTROLLER
SETTING THE DIP SWITCH
WIRING
TURN ON THE POWER
REMOTE CONTROLLER SETTINGS
INDOOR UNIT REGISTRATION
○○○○○○○○
Refer to page 4
○○○○○○○○
Refer to page 4
○○○○○○○○
Refer to page 3
○○○○○○○○
Refer to page 7
○○○○○○○○
Refer to page 8
○○○○○○○○
Refer to page 11
• Setting the Group remote controller address
• Time Display Settings
• Timer Operation Settings
• Temperature Range Settings
• Temperature Display Settings
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INSTALLATION
1. SPECIFICATION
83.5 (3-9/32)
15.3
(5/8)
63.5 (2-1/2)
Hole
45.3
(1-25/32)
4.5
(3/16)
8
(11/32)
12.5
(1/2)
Hole × 2
Hole × 3
4.5
(3/16)
4.5 (3/16)
6
(1/4)
30
(1-3/16)
33.5
(1-5/16)
23
(29/32)
120 (4-3/4)
120 (4-3/4)
17
(11/16)
When connecting the Group remote controller and Convertor, use the following wiring.
Use
Remote controller cord
Size
0.33 mm
2
(AWG22)
Wire type
Shield cable
Remarks
Polar 3-core
* We recommend that you purchase our service parts for the remote controller cord. Contact service personnel to purchase this.
Unit: mm (in.)
2. WIRING
• Total remote controller cord length: MAX. 100 m (328 ft.)
(1) When connecting one Group remote controller
Remote controller
cord
Convertor
Group remote
controller
CAUTION
• Match the terminal number for the Group remote controller and the number on the terminal for the Convertor
when the connection is made.
(See Fig. 2 for the location of the Group remote controller terminal number.)
• Do not route the remote controller cord near a source
of electromagnetic interference.
(2) When multiple Group remote controllers are connected (multiple Group remote controllers cannot be connected with the J-series.*)
• A maximum of four Group remote controllers can be connected with one Convertor.
• Use of a terminal box is recommended when a junction is made in the wiring.
Convertor
Remote
controller cord
Group remote controller
Convertor
Remote
controller cord
Group remote controller
* It is a J-series model when the model name of the indoor unit ends in “R.”
1
12233
123
123
123
123 123
123
123
123
123 123
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Open the operation panel on the front of the remote controller,
remove the two screws indicated in the right figure and then, remove the front case of the remote controller.
NOTES
When installing the remote controller, remove the connector
from the front case. The wires may break if the connector is
not removed and the front case hangs down.
When installing the front case, connect the connector to the
front case.
● When remote controller cord exposed
1) Make two horizontal or two vertical holes in the mounting
surface (wall, etc.) to install the remote controller. (Fig. 2)
2) Use a tool to cut away the thin area on the upper center of
the front case (indicated by
in Fig. 1).
3) Connect the remote controller cord to the remote controller
terminal board specified in Fig. 2.
4) Wrap the connector and remote controller cords with vinyl
tape or some other type of insulation as shown in Fig. 2.
5) Clamp the remote controller cord with the binder as shown
in Fig. 2.
6) Cut off the excess binder.
7) Install the rear case to the wall, etc., with two screws (ø4 × 16).
(Fig. 3)
NOTES
Step 4) will be noticed by customers, so do it with particular
care.
3. INSTALLING THE REMOTE CONTROLLER
CAUTION
• Do not touch the group remote controller Circuit board and Circuit board parts directly with your hands.
• When working with the wiring, be careful not to scratch or damage the wires.
Fig. 1
Front case (back side)
Rear case
Connector
Screws
63.5 (2-1/2)
63.5 (2-1/2)
83.5 (3-9/32)
Fig. 2
1.12V (Red)
2.Signal (White)
3.COM (Black)
Binder
Hole
Group remote
controller
Insulation
● When remote controller cord embedded
1) Embed the remote controller cord and box.
2) Pass the remote controller cord through the hole in the rear
case and connect the remote controller cord to the remote
controller terminal board specified in Fig. 2.
3) Wrap the connector and remote controller cords with vinyl
tape or some other type of insulation as shown in Fig. 2.
4) Clamp the remote controller cord sheath with the binder as
shown in Fig. 2.
5) Cut off the excess binder.
6) Install the rear case to the wall, box, etc., with two screws
(ø4 × 16).
Fix the two screws in either horizontal or vertical position.
(Fig. 3)
Fig. 3 [Example]
Remote controller cord
Rear case
Box
Screws
Connector
4. SETTING THE DIP SWITCH
Set DIP switch 1 to ON to enable the memory backup.
• Memory backup setting
If there is a power failure when the memory backup is enabled,
the settings stored in the memory will be saved.
ON
ON
OFF
1
2
DIP Switch
Front case (back side)
NO.
SW state
OFF ON
1 ★ Invalidity Validity
2 ★ Fixed at OFF
DIP-Switch
(★ Factory setting)
7
(9/32) (9/32) (9/32)
77
1.12V
(Red)
2.Signal
(White)
3.COM
(Black)
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SETTING
EXPLANATION OF TERMS
Indoor unit
System
Refrigerant system
Refrigerant pipe
Convertor
Outdoor
unit
Group remote controller
Transmission line Controller line
Wireless remote
controller
Wired remote
controller
Remote
controller
group
Controller related items
● System:
This is all of the indoor units, outdoor units and controller units connected by the same transmission line.
● Refrigerant system: [Not for J-series*]
This is a system composed of indoor and outdoor units connected by the same refrigerant pipe.
● Remote Controller group: [Not for J-series*]
This is the smallest unit controlled by group remote controller.
This is a group of indoor units that have been connected with one controller line.
Indoor / Outdoor unit setting (on the Circuit board)
● Refrigerant circuit address (0~99): [Not used for J-series*]
This is the ID individually assigned to each refrigerant system and is used for control.
● Indoor unit address (0~63): [J-series* uses 0-7]
This is the ID individually assigned to each indoor unit and is used for control.
● Remote controller address (0~15): [Not used for J-series*]
This is the ID individually assigned to the indoor units forming each remote controller group and is used for control.
Group remote controller setting
● Group remote controller address (0~3): [J-series* uses “0” only]
This is the ID individually assigned to each group remote controller and is used for control.
* It is a J-series model when the model name of the indoor unit ends in “R.”
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