External Input And Output; 10-1.External Input - Fujitsu ASYG30LMTA Design & Technical Manual

10. External input and output

Indoor unit PCB
PCB
Operation/Stop
Forced stop
Indoor unit
Operation/Stop
Forced stop
Forced thermostat off
External input
and output
(UTY-XCSXZ1)
10-1. External input
With using external input function, some functions on this product can be controlled from an external
device.
• "Operation/Stop" mode or "Forced stop" mode can be selected with function setting of indoor unit.
• A twisted pair cable 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 connectors.
Connected unit
*1: The switch can be used on the following condition: DC 12 V to 24 V, 1 mA to 15 mA.
CN2 (Ext. in)
CN3 (Ext. out)
CN6
(Ext. in/out PCB)
External input External output
Operation status
Error status
Indoor unit fan
-
operation status
Set point
attainment status
Operation status
Error status
-
Indoor unit fan
operation status
- 25 -
External input and output PCB
SW301 SW302
CN314
CN313
CN312
CN311
CN310
CN308
Connector Input select
- CN2
CN3
CN313/
CN314
-
Apply voltage
CN313
CN310
CN311
CN312
PCB
1
2
3
Rotary switch
Input
signal
Dry contact Edge
- -
Edge/Pulse
Dry contact/
Edge
- -
Connector
(CN2)