Fujitsu UTB-*WB series Installation Manual
PART NO. 9374584048-02
INSTALLATION MANUAL
For authorized service personnel only.
VRF SYSTEM
IR RECEIVER UNIT
UTB-
*
WB
Contents
1. SAFETY PRECAUTIONS ............................................. 2
2. MAIN UNIT AND ACCESSORIES ................................. 3
3. OPTIONAL PARTS .......................................................3
4. FUNCTIONS AND DIMENSION ................................... 3
5. SELECTING THE INSTALLATION LOCATION ............3
6. INSTALLING THE RECEIVER UNIT
6.1. Select the wiring method ....................................... 4
6.2. Select the installation method ............................... 4
7. WIRING ......................................................................... 5
8. TURNING ON THE POWER ......................................... 7
9. ERROR CODE DISPLAY ..............................................7
English
En-2
Do not operate this unit when your hands are wet. •
Touching the unit with wet hands will cause an electric
shock.
If children may approach the unit, take preventive •
measures so that they cannot reach the unit.
CAUTION
This mark indicates procedures which,
if improperly performed, might possibly
result in personal harm to the user or
damage to property.
Pay abundant care when transporting this unit because it •
is a precision device. Improper transportation will cause
trouble.
Do not touch the switches with sharp objects. Doing so •
will cause injury, trouble, or electric shock.
Do not expose this unit directly to water. Doing so will •
cause trouble, electric shock, or heating.
Do not set vessels containing a liquid on this unit. Doing •
so will cause heating, re, or electric shock.
Dispose of the packing materials safely. Tear and dispose •
of the plastic packing bags so that children cannot play
with them. There is the danger of suffocation if children
play with the original plastic bags.
1. SAFETY PRECAUTIONS
The “SAFETY PRECAUTIONS” indicated in this manual •
contain important information pertaining to your safety. Be
sure to observe them.
Details of the operation methods refer to the operating •
manual. Request the user 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.
Perform electrical work by an authorized service •
personnel in accordance with the installation manual
and the electrical wiring regulations or implementation
regulations of the country. Also do not install this unit by
yourself. Improper electric work will cause electric shock
or a re.
Perform installation work in accordance with the •
installation manual. Request an authorized service
personnel to perform installation work. Do not install this
unit by yourself. Improper installation will cause injury,
electric shock, re, etc.
In the event of a malfunction (burning smell, etc.), •
immediately stop operation, turn off the electrical breaker,
and consult authorized service personnel.
Install a leakage circuit breaker to power supply cable •
in accordance with the related laws and regulations and
electric company standards.
Use a power source exclusively for this unit. Never share •
the power source with other electrical equipment. Doing
so will cause re and electric shock.
Do not install the unit in the following areas:
Do not install the unit near a source of heat, steam, or •
ammable gas.
Area 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 fall 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 containing equipment that generates •
electromagnetic interference. It will cause the control
system to malfunction, preventing the unit from operating
normally.
Area that can cause combustible gas to leak, contains •
suspended carbon bers or ammable dust, or volatile
inammables such as paint thinner or gasoline. If gas
leaks and settles around the unit, it can cause a re.
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.
Install the unit in a well-ventilated place avoiding rains •
and direct sunlight.
En-3
3. OPTIONAL PARTS
Description
Q’ty Application
Part No. Model
Receiver unit
cable C
10m
For
extending
the receiver
unit cable
9378143012
UTB-YWB
9378143036
UTB-TWB
4. FUNCTIONS AND DIMENSIONS
Functions
SIGNAL RECEIVER
OPERATION LAMP (Green)
TIMER LAMP (Orange)
MANUAL AUTO BUTTON
FILTER SIGN LAMP (Red)
Dimensions
11.5
60
57.6
83.5
22.9
118.4
72.4
18.5
13.6
57.4
13.6
7.27.2
17
90
145
Unit:mm
5. SELECTING THE INSTALLATION
LOCATION
Consult the user and determine the installation location
according to the following:
(1) The receiver unit wiring can be extended up to 10 m.
(To extend the wiring, purchase the optional receiver unit
cable C.)
(2) The signal reception angle of the receiver unit is shown in
the following gures.
(3) Do not install the receiver unit near a uorescent light.
(The unit must be at least 1 m away from a light source.)
(4) Do not install the receiver unit where it will be exposed to
direct sunlight.
(5) Do not install the receiver unit where it will be exposed
directly to the airow from the indoor unit.
2. MAIN UNIT AND ACCESSORIES
Description Q’ty Application
Installation manual
1
This book
Receiver unit
1
For receiving the signal
from the wireless
remote controller
Cover
1
For receiver unit
Insulation
1
For receiver unit
Binder
Small
1
For receiver unit
Medium
1
For receiver unit
Screw (M4 × 20mm)
2
For installing receiver
unit to wall, etc.
Screw (M4 × 12mm)
1
For attaching the hook
metal to the holder cover
Screw (M4 × 10mm)
2
For attaching the hook
metal to the indoor unit
Receiver unit cable A
5m
For connecting PCB of
indoor unit to receiver unit
Receiver unit cable B
15cm
For connecting PCB of
indoor unit to receiver unit
Hook metal
1
For installing receiver
unit to indoor unit
Bracket (cover)
1
For receiver unit
Receiver unit cable D
15cm
For connecting PCB of
indoor unit to receiver unit
Loading...