4. OPTIONAL INSTALLATION WORK
4. 1. Optional kit installation
WARNING
Regulation of cable differs from each locality, refer in accordance with local rules.
CN8 (Remote sensor)
CN48
CN65
CN47
(IR receiver)
(External in/out PCB)
(External out)
Y1
Y1
Y2
Y2
Y3
Y3
1
1
2
2
Terminal
(External in)
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.
Option type
CN48
IR Receiver (UTY-LBTM)
CN8
Remote sensor (UTY-XSZX)
CN47*1
Connect wire (UTY-XWZXZG)
CN65*2
External input and output PCB (UTY-XCSX)
*1: For external output terminal setting, refer to Function No.60 in “6. FUNCTION SETTING”.
*2: Other options (WLAN adapter, converters, etc.) may be available by using the optional
External input and output PCB.
4. 2. External input and output
4. 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.
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.
PCB
*1
Terminal
(External in)
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
Command
OFF → ON
Operation
ON → OFF
Stop
En-11