External Input And Output - Fujitsu ASUH09LPAS Service Manual

2. External input and output

Indoor unit PCB
CN65
(Ext. in/out PCB)
PCB
Operation/Stop
Forced stop
Indoor unit
Operation/Stop
Forced stop
Forced thermostat off
External input
and output (UTY-
XCSXZ2)
CN47 (Ext. out)
CN46 (Ext. in)
External input External output
Operation status
Error status
Indoor unit fan
operation status
Cooling thermostat
-
On
Heating thermostat
On
External heater
output
Operation status
Error status
Indoor unit fan
operation status
External heater
output
-
Remote controller
output
Cooling high/low
output
Heating thermostat
On
- (05-11) -
External input and output PCB
SW301 SW302
CN314
CN313
CN312
CN311
CN310
CN308
Connector
- CN46
CN47
CN313/
CN314
-
CN313
CN310/
CN311/
CN312
Rotary switch
Input
Input select
signal
Dry contact Edge
- -
Edge/Pulse
Dry contact/
Apply voltage
Edge
- -
2. External input and output