Fujitsu UTY-RNRUZ2 Installation Manual

REMOTE CONTROLLER
(WIRED TYPE)
Installation MANUAL
PART No. 9373328407
For authorized service personnel only.
Installation by endusers or not qualified persons can cause harm to
personal safety, can cause severe damage to building and product, can
lead to improper function or reduced lifetime of the equipment.

CONTENTS

1. SAFETY PRECAUTIONS . ........................................................................1
2. MAIN UNIT AND ACCESSORIES ............................................................1
3. ELECTRICAL REQUIREMENT ................................................................1
4. S ELECTING AN INSTALLATION LOCATION ..........................................2
5. I NSTALLING THE REMOTE CONTROLLER . ..........................................3
6. SETTING THE REMOTE CONTROLLER . ...............................................5
7. TEST RUN ..............................................................................................10
8. ERROR CODES .....................................................................................10
1. SAFETY PRECAUTIONS
• The "SAFETY PRECAUTIONS" indicated in the manual contain impor-
tant information pertaining to your safety. Be sure to observe them.
• For details of the operation method, refer to the operating manual.
• Request the user to keep the manual on hand for future use, such as for
relocating or repairing the unit.
Indicates a potentially or imminently hazardous situ-
ation which, if not avoided, could result in death or
WARNING
serious injury.
Installation of this product must be done by experienced service techni-
cians or professional installers only in accordance with this manual.
Installation by nonprofessional or improper installation of the product
may cause serious accidents such as injury, water leakage, electric
shock, or fire. If the product is installed in disregard of the instructions in
this manual, it will void the manufacturer's warranty.
Installation must be performed in accordance with regulations, codes,
or standards for electrical wiring and equipment in each country, region,
or the installing place.
Do not operate this unit when your hands are wet. Touching the unit with
wet hands will cause an electric shock.
When children can approach the unit or touch the unit, take preventive
measures.
Dispose of the packing materials safely. Tear and dispose of the plastic
packing bags so that children cannot play with them. There is the dan-
ger of suffocation if children play with the original plastic bags.
Indicates a potentially hazardous situation that may
CAUTION result in minor or moderate injury or damage to
property.
When detecting the room temperature using the remote controller,
please set up the remote controller according to the following conditions.
If the remote controller is not well set, the correct room temperature will
not be detected, and thus the abnormal conditions like "not cool" or "not
heat" will occur even if the air-conditioner is running normally. :
• A location with an average temperature for the room being air condi-
tioned.
• Locate where is not be affected by inflow of outside air such as caused
by opening and closing a door.
• Not directly exposed to the outlet air from the air conditioner.
• Out of direct sunlight.
• Away from the influence of other heat sources.
Do not install the unit in the following areas:
• Do not install the unit near a source of heat, steam, or flammable gas.
Otherwise, fire could result.
• Area filled 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.
• Area containing equipment that generates electromagnetic interfer-
ence. It will cause the control system to malfunction, and cause er-
roneous operation.
• Install the unit in a well-ventilated place avoiding rains and direct sun-
light.
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, fire, or electric shock.
2. MAIN UNIT AND ACCESSORIES
The following installation parts are supplied. Use them as required.
Name and shape Q'ty
Wired remote controller
1
Installation manual
(This manual)
1
Operating manual
1
3. ELECTRICAL REQUIREMENT
When connecting the remote controller use the following wiring.
Cable size Wire type
22 to 16 AWG Non polar
(0.33 to 1.25 mm²)
Thermostat cable
18AWG
Select a flexible cable that can be bound using cable ties from over the
cable sheath inside this unit.
Maximum connectable number of remote controllers by cable size and the
length.
Cable size
(L* ≤ 100 m)
AWG mm²
VRF
16 1.25
18 0.75 (1.25 > S* ≥ 0.75)
20 0.5 (0.75 > S* ≥ 0.5)
22 0.3 (0.5 > S* ≥ 0.3)
*L: Total cable length, *S: Cable size
Name and shape
CD-ROM
Screw (M4 × 16mm)
For installing the remote
controller
Cable tie
For remote controller and
remote controller cable
binding
Remarks
Use sheathed
2 core twisted pair cable
Use sheathed non
2 core twisted pair cable
Max. connectable number of
remote controllers
328 ft < L* 820 ft < L*
L* ≤ 328 ft ≤ 820 ft ≤ 1,640 ft
(101 m < L* (251 m < L*
≤ 250 m) ≤ 500 m)
RAC VRF RAC VRF
4 2 4 2 4
4 2 4 2 2
4 2 2 2 2
4 2 1 1 1
Q'ty
1
2
1
RAC
2
2
2
1
En-1