Fujitsu UTY-TTRX, Installation Manual, Page: 2 / 9

En-1
1. SAFETY PRECAUTIONS
▪ The “SAFETY PRECAUTIONS” indicated in this manual contain impor-
tant information pertaining to your safety. Be sure to observe them.
▪ Request the user to keep this manual on hand for future use, such as
for relocating or repairing the unit.
WARNING
This mark indicates procedures which, if improp-
erly performed, might lead to the death or serious
injury of the user.
Perform electrical work by an authorized service personnel in accordance
with this manual and the electrical wiring regulations or implementation
regulations of the country. Also do not install this product by yourself.
Improper electric work will cause electric shock or a
fi re.
Perform installation work in accordance with this manual. Request an
authorized service personnel to perform installation work. Do not install
this product by yourself. Improper installation will cause injury, electric
shock,
fi re, etc.
In the event of a malfunction (burning smell, etc.), immediately stop
operation, turn off the electrical breaker, and consult authorized service
personnel.
Do not install the unit in the following areas:
▪ Do not install the unit near a source of heat, steam or fl ammable gas.
▪ 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 leak-
age.
▪ Area containing equipment that generates electromagnetic interfer-
ence. 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
fi bers or fl ammable dust, or volatile in fl ammables such as paint
thinner or gasoline. If gas leaks and settles around the unit, it can
cause a
fi re.
▪ Install the unit in a well-ventilated place avoiding rains and direct sun-
light.
Do not operate this product 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 improp-
erly performed, might possibly result in personal
harm to the user or damage to property.
Pay abundant care when transporting this product because it is a preci-
sion 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 product directly to water. Doing so will cause trouble,
electric shock, or heating.
Do not set vessels containing a liquid on this product. Doing so will cause
heating,
fi 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.
NOTES:
This product is manufactured to metric units and tolerances.
United States customary units are provided for reference only. In cases
where exact dimensions and tolerances are required, always refer to
metric units.
2. MAIN UNIT AND ACCESSORIES
The following installation parts are supplied. Use them as required.
Name and Shape Q’ty Application
Thermostat convertor
1
This product
Installation manual
1
This manual
Screw (M4 x 16 mm)
2
For mounting this product
3. ELECTRICAL REQUIREMENT
Use Size Cable type Remarks
Remote con-
troller cable
(2-wire type)
16~22AWG
(0.33 to 1.25 mm
2
)
Sheathed
PVC cable*
Non-polar 2 core,
twisted pair
Maximum cable length:
1,640 ft (500m)
Remote con-
troller cable
(3-wire type)
22AWG
(0.33 mm
2
)
Sheathed
PVC cable*
Polar 3core
Maximum cable
length: 82 ft (25m)
Thermostat
wires 18AWG
(0.82 mm
2
)
Sheathed
PVC cable*
Maximum cable
length: 164 ft (50m)
*: Use shielded cable in accordance with local rules for remote controller
cable.
INSTALLATION MANUAL
PART NO. 9374707225
THERMOSTAT CONVERTOR
Contents
1. SAFETY PRECAUTIONS ……………………………………………… 1
2. MAIN UNIT AND ACCESSORIES …………………………………… 1
3. ELECTRICAL REQUIREMENT ………………………………………… 1
4. SELECTING AN INSTALLATION LOCATION ……………………… 2
4. 1. Dimensions ……………………………………………………… 2
4. 2. Speci
fi cations …………………………………………………… 2
5. WIRING …………………………………………………………………… 2
5. 1. Wiring method …………………………………………………… 3
5. 2. Unit wiring ………………………………………………………… 4
6. INSTALLING THE THERMOSTAT CONVERTOR …………………… 4
6. 1. Connecting the cables …………………………………………… 4
7. CONNECTION OF REMOTE CONTROLLER CABLE ……………… 5
8. CIRCUIT BOARD SETTING …………………………………………… 6
9. TURNING ON THE POWER …………………………………………… 7
10. LED DISPLAY …………………………………………………………… 7
10. 1. Normal code ……………………………………………………… 7
10. 2. Error code ………………………………………………………… 7
11. USAGE …………………………………………………………………… 7