External Output - Fujitsu AMUG24LMAS Service Manual

4-2. 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 82 ft (25 m).
• Output voltage: High DC 12 V ± 2 V, Low 0 V.
• Permissible current: 50 mA
• For details, refer to
 When indicator, etc. are connected directly
Example: Function setting 60 is set to "00"
 When connecting with a device equipped with a power supply
Example: Function setting 60 is set to "00"
 When connecting with a external heater
Output voltage:
Permissible current:
4-2. External output
Chapter 4-3. "Combination of external input and output"
Resistor
LED
Connected unit
Connected device
(Operation status)
Connected unit
Heater ON: AC24V±25%
Heater OFF: Open
500mA
Heater
External heater unit
Relay
Relay
- (05-23) -
on page 05-25.
PCB
+
1
CN47
-
2
PCB
+
1
CN47
-
2
PCB
1
2
CN67
3
4
4. External input and output