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Remote Controller Installation; Cassette Grille Installation; Optional Installation Work; Optional Kit Installation - Fujitsu AUXG-KRLB Series Installation Manual

Cassette type
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Cure the wiring connecting port and remote controller connecting port with paste or heat
insulation so that insects or dust will not enter the unit
Do not bundle the remote controller cable, or wire the remote controller cable in
parallel, with the indoor unit connection wire (to the outdoor unit) and the power supply
cable. It may cause erroneous operation.

3. 7. Remote controller installation

• Install according to the installation manual for remote controller.

4. CASSETTE GRILLE INSTALLATION

• Install according to the installation manual for Cassette grille.
• Be sure to confi rm there is no gap between the panel and main unit after installing the
Cassette grille.

5. OPTIONAL INSTALLATION WORK

5. 1. Optional kit installation

Regulation of cable differs from each locality, refer in accordance with local rules.
Terminal
CN48
(External in)
(IR receiver)
This air conditioner can be connected with the following optional kits.
For details on how to install optional parts, refer to the installation manual included in each
item.
Connector No.
CN48
CN47*1
CN47*1
(UTY-XCSX)*2
CN65*3
*1: For external output terminal setting, refer to Function No.60 in "7. FUNCTION SETTING".
*2: Refer to the installation manual of the External input and output PCB.
*3: Other options (WLAN adapter, converters, etc.) may be available by using the optional
External input and output PCB.

5. 2. External input and output

5.2.1. External input
• Indoor unit functions such as Operation/Stop or Forced stop can be done by using
indoor unit terminals.
• "Operation/Stop" mode or "Forced stop" mode can be selected with function setting of
indoor unit.
• A twisted pair cable (22 AWG) should be used. Maximum length of cable is 150 m (492 ft.).
• Use an external input and output cable with appropriate external dimension, depending
on the number of cables to be installed.
• The wire connection should be separate from the power cable line.
CAUTION
WARNING
CN65
CN47
(External in/out PCB)
(External out)
Option type
IR Receiver (UTY-LBTYC)
Connect wire (UTY-XWZXZG)
Fresh air intake (UTZ-VXRA)
External input and output PCB (UTY-XCSX)
Terminal
Connected device
● Dry contact terminal
When a power supply is unnecessary at the input device you want to connect, use the Dry
contact terminal.
*1
Connected device
*1: The switch can be used on the following condition: DC 12 V to 24 V, 1 mA to 15 mA.
■ Operation behavior
● Input signal type
ON
Edge
OFF
When function setting is "Operation/Stop" mode 1.
Input signal
OFF → ON
Operation
ON → OFF
Stop
When function setting is "Forced stop" mode.
Input signal
OFF → ON
Forced stop
ON → OFF
Normal
* When the forced stop is triggered, indoor unit stops and Operation/Stop operation by a
remote controller is restricted.
When function setting is "Operation/Stop" mode 2.
Input signal
OFF → ON
Operation
ON → OFF
Stop (R.C. disabled)
5.2.2. External output
• A twisted pair cable (22AWG) should be used. Maximum length of cable is 25 m (82 ft.).
• Use an external input and output cable with appropriate external dimension, depending
on the number of cables to be installed.
• Output voltage: Hi DC12V±2V, Lo 0V.
• Permissible current: 50mA
■ Output select
● When interlocking with external device
Connected
device
Relay (locally purchased)
or
● When displaying "Operation/Stop"
Resistor
LED
Connected device
■ Operation behavior
*If function setting "60" is set to "00"
Function setting
Stop
00
Operation
Normal
09
Error
60
Indoor unit fan stop
10
Indoor unit fan operation
External heater OFF
11
External heater ON
PCB
Terminal
(External in)
Command
Command
Command
PCB
PCB
CN47
Status
Output voltage
DC 12 V
DC 12 V
DC 12 V
0 V
DC 12V
CN47
0V
0V
0V
En-11

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