Fujitsu ARYG72LHTA Service Instruction page 100

3-3-2. External output
Use an external output cable with appropriate external dimension, depending on the number of ca-
bles to be installed.
 Indoor unit
• A twisted pair cable (22AWG) should be used. Maximum length of cable is 25 m.
• Output voltage: High DC 12 V ± 2 V, Low 0 V.
• Permissible current: 50 mA
• For details, refer to Chapter 10-3. "Combination of external input and output" on page 14.
 When indicator, etc. are connected directly
Example: Function setting 60 is set to "00"
LED
 When connecting with a device equipped with a power supply
Example: Function setting 60 is set to "00"
Connected device
(Operation status)
Connected unit
 External input and output PCB
• A twisted pair cable (22AWG) should be used.
• Permissible voltage and current: DC 5 V to 30 V / 3 A, AC 30 V to 250 V / 3 A
• For details, refer to Chapter 10-3. "Combination of external input and output" on page 14.
Connected device 1
(Operation status)
Connected device 2
(Error status)
Connected device 3
(Indoor unit fan
operation status)
Resistor
Connected unit
Power supply
Power supply
Power supply
Relay
PCB
1
2
3
4
5
6
03-13
PCB
+
1
CN47
-
2
PCB
+
1
CN47
-
2