External Output - Fujitsu AUUH18LUAS Service Manual

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 (22 A→G) 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 number 60 is set to "00"
• When connecting with a device equipped with a power supply
Example: Function setting number 60 is set to "00"
¢ External Input and Output PCB
• A twisted pair cable (22 A→G) 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
3-2. External output
"Setting of external input and output"
Resistor
LED
Connected device
Connected device
(Operation status)
Connected device
"Setting of external input and output"
Example
Connected device 1
(Operation status)
Connected device 2
(Error status)
Connected device 3
(Indoor unit fan
operation status)
on page 05-18.
Relay
on page 05-18.
Ex OUT
Power supply
Power supply
Power supply
- (05-17) -
PCB
+
1
CN47
-
2
PCB
+
1
CN47
-
2
1
2
3
4
5
6
3. External input and output (for indoor unit)