8. External input and output
PCB
Operation/Stop
Forced stop
Forced thermostat off
External input
and output (UTY-
XCSXZ2)
External input and output PCB
CN314
CN313
CN312
CN311
CN310
Indoor unit PCB
External input
External output
Operation status
Error status
-
Indoor unit fan
operation status
SW301
SW302
Rotary switch
CN308
Connector
CN313/
CN314
-
CN313
CN310
CN311
CN312
- 20 -
CN6
Input
Input select
signal
Edge/Pulse
Dry contact/
Apply voltage
Edge
-
-
8. External input and output