External Output - Fujitsu AJ 126LELDH Series Design & Technical Manual

3-2. External output

• A twisted pair cable 0.33 mm
• Use an external input and output cable with appropriate external dimension, depending on the
number of cables to be installed.
• Output voltage: DC 12 V at HIGH, 0 V at LOW
• Permissible current: 50 mA
External output1
External output2
CNB01
External output3
External output4
¢ Output select
• When indicator etc. are connected directly
• When connecting to unit equipped with a power supply
3-2. External output
2
(22 AWG) should be used. Maximum length of cable is 25 m.
Connector
Pins 1-2
Pins 1-3
Pins 1-4
Pins 1-5
Connected device 1
(Operation status)
Connected device 2
(Error status)
Connected device 3
(Indoor unit fan
operation status)
Actual number of pin might be different from the figure above.
Connected device 1
(Operation status)
Connected device 2
(Error status)
Connected device 3
(Indoor unit fan
operation status)
Connected device 4
(External heater
output)
Actual number of pin might be different from the figure above.
Output voltage
0 V
DC 12 V
0 V
DC 12 V
0 V
DC 12 V
0 V
DC 12 V
Relay
- (08-22) -
Status
Stop
Operation
Normal
Error
Indoor unit fan stop
Indoor unit fan operation
Auxiliary heater off
Auxiliary heater on
PCB
CNB01
+
1
-
2
-
3
-
4
5
6
PCB
CNB01
+
1
-
2
-
3
-
4
-
5
6
3. Indoor unit