Installing The Receiver Unit; Select The Wiring Method; Select The Installation Method - Fujitsu UTB-*WB series Installation Manual

Ex. Installation on the wall
Indoor unit
Ceiling
Signal reception
angle
Remote
controller
Ex. Installation on the ceiling
Indoor unit
Ceiling
Remote
controller
Signal reception angle
If the wiring length is 10 m, replace with receiver unit cable C
(optional parts).
Receiver unit cable A (5m).

6. INSTALLING THE RECEIVER UNIT

• Always use the accessories and specified installation
work parts. Check the state of the installation parts. Not
using the specified parts will cause units to fall off, water
leakage, electric shock, fire, etc.
• Install at a place that can withstand the weight of the unit
and install positively so that the unit will not topple or fall.
• When installing this unit, make sure that there are no
children nearby.
Otherwise, injury or electric shock could result.
• After installing this unit, perform the test run to confirm
that the unit is operating properly. Then, explain the
operation of this unit to the customer.
• Install a circuit breaker.
Otherwise, electric shock or fire could result.
• Do not set the DIP switch or rotary switch of this unit
except as specified in this installation manual or the
instruction manual supplied with the air conditioner.
Setting the switches other than specified will cause an
accident or trouble.
• Before opening the case of this unit, completely discharge
static electricity charged on your body. Not doing so will
cause trouble.
En-4
5 m
5 m
Receiver
unit
5 m
Receiver unit
5 m
WARNING
CAUTION
• Do not touch the circuit board and circuit board parts
directly with your hands.
Otherwise, injury or electric shock could result.
• Tightening the mounting screws too tight will damage the
case of this unit.

6.1. Select the wiring method

Method 1 From the top of the receiver unit: No additional
work is necessary.
Method 2 From behind the receiver unit: Perform the
following procedure to route the wiring behind
the receiver unit.
1
Holder
2
(PCB)
Holder cover
Screw
1
1 Remove the screw.
2 Remove holder (PCB)
from holder cover.
3
Hook
1
1 Reattach holder cover. (Make sure that the hook on
the holder cover is caught on the holder [PCB].)
2 Fix holder (PCB) by the screw.

6.2. Select the installation method

Method 1 Receiver unit embedded in a wall or ceiling:
Refer to "I. Embedding the receiver unit."
Method 2 Receiver unit attached to a wall or ceiling:
Refer to "II. Attaching the receiver unit."
Method 3 Receiver unit cannot be imbedded in or attached
to a wall or ceiling: Refer to "III.
Attaching the receiver unit to the indoor unit."
I. Embedding the receiver unit
1
Unit: mm
58-62
1 Make a hole in the wall
or ceiling.
(Depth: 25 mm or more)
2
1
1 Route the wiring as
shown in the figure.
Holder cover
Screw
2
2
Wall or ceiling
1
2
Screws (M4 x 20mm)
1 Affix the insulation to the
holder cover.
2 Attach the holder cover
and the bracket (cover)
to the wall or ceiling
with the screws (included
with the standard parts).
2