Fujitsu ASU30RLE Service Instruction page 102

 External input and output PCB
• A twisted pair cable (22AWG) should be used. Maximum length of cable is 82 ft (25 m).
• Output voltage: High DC 12 V±2 V, Low 0 V.
• Permissible current: 50 mA
• For details, refer to Chapter 10.
 When indicator or other components are connected directly
Example: Function setting 60 is set to "00".
(Operation status)
(Error status)
(Indoor unit fan
operation status)
 When connecting with a device equipped with a power supply
Example: Function setting 60 is set to "00".
Connected unit
Connected device 1
(Operation status)
Connected device 2
(Error status)
Connected device 3
(Indoor unit fan
operation status)
"Combination of external input and output"
Connected unit
Resistor
LED 1
Resistor
LED 2
Resistor
LED 3
Relay
+
+
+
03-12
on page 29.
PCB
+
1
Connector
-
(CN310)
2
+
1
Connector
-
(CN311)
2
+
1
Connector
-
(CN312)
2
PCB
1
Connector
(CN310)
-
2
1
Connector
(CN311)
-
2
1
Connector
(CN312)
-
2