Fujitsu AIRSTAGE J-II Design & Technical Manual page 717

1-2-2. EXTERNAL OUTPUT
● A twisted pair cable (22AWG) should be used. Maximum length of cable is 25m.
● Use an external input and output cable with appropriate external dimension, depending on the number of cables
to be installed.
● Output voltage: Hi DC12V±2V, Lo 0V.
● Permissible current: 50mA
Connector
External output1
Pins 1-2
External output2
Pins 1-3
CNB01
External output3
Pins 1-4
External output4
Pins 1-5
OUTPUT SELECT
„ „
When indicator etc. are connected directly
z „
Operation
indicator
Error indicator
Indoor unit Fan
status indicator
connected unit
When connecting with unit equipped with a power supply
z „
Connected
device 1
Connected
device 2
Connected
device 3
Heater
connected unit
Output voltage
0V
DC 12V
0V
DC 12V
0V
DC 12V Indoor unit fan operation
0V Auxiliary heater OFF
DC 12V
+
-
-
-
+
-
-
-
-
Relay
- (08 - 21) -
Status
Stop
Operation
Normal
Error
Indoor unit fan stop
Auxiliary heater ON
P.C.B
CNB01
1
2
3
4
5
6
P.C.B
CNB01
1
2
3
4
5
6