External Input And Output; 10-1.External Input - Fujitsu AUXG18LRLB Technical Manual

10. External input and output

Terminal
(Ext.in)
Fig. Indoor unit PCB
PCB External input External output Connector
Operation/Stop
Indoor unit
Operation/Stop
Forced
thermostat off
External
input and
output
(UTY-XCSX)
10-1. External input
• "Operation/Stop" mode or "Forced stop" mode can be selected with function setting of indoor unit.
• A twisted pair cable (22AWG) should be used. Maximum length of cable is 150 m.
• The wire connection should be separate from the power cable line.
 Indoor unit
Indoor unit functions such as Operation/Stop can be done by using indoor unit terminals.
*1: The switch can be used on the following condition: DC 12 V to 24 V, 1 mA to 15 mA.
CN65
CN47
(Ext.in/out PCB)
(Ext.out)
-
Operation status
Error status
Indoor unit fan
-
operation status
External heater
output
-
Operation status
Error status
Indoor unit
-
status
External heater
output
Rotary switch
SW2
SW1
Fig. External input and output PCB
Input select
Terminal Dry contact
CN47 -
Input 1/
Input 2
Dry contact/
Apply voltage
Input 1
Output 1
Output 2 -
Output 3
- 54 -
External
Input
connect kit
signal
(Optional parts)
Edge -
- UTY-XWZXZG
Edge/
Pulse
-
Edge
- -
PCB
1
Terminal
2