8. External input and output
Terminal
(Ext.in)
CN65
(Ext.in/out PCB)
CN47
(Ext.out)
Rotary switch
SW2
SW1
Fig. External input and output PCB
Fig. Indoor unit PCB
PCB
External input External output Connector
Input select
Input
signal
External
connect kit
(Optional
parts)
Indoor unit
Operation/Stop
-
Terminal
Dry contact
Edge
-
-
Operation status
CN47
-
-
UTY-XWZXZG
Error status
Indoor unit fan
operation status
External heater
output
External input
and output
(UTY-XCSX)
Operation/Stop
-
Input 1/
Input 2
Dry contact/
Apply voltage
Edge/
Pulse
-
Forced
thermostat off
Input 1
Edge
-
Operation status
Output 1
Output 2
Output 3
-
-
-
Error status
Indoor unit status
External heater
output
- 21 -
8. External input and output
CASSETTE TYPE
AUXG18, 22KRLB
CASSETTE TYPE
AUXG18, 22KRLB