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
"Setting of external input and output" on page 05-18.
• When indicator, etc. are connected directly
Example: Function setting number 60 is set to "00"
CN47
LED
PCB
Resistor
Connected device
+
-
• When connecting with a device equipped with a power supply
Example: Function setting number 60 is set to "00"
1
2
Connected device
CN47
PCB
Connected device Relay
(Operation status)
-
+
¢
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
"Setting of external input and output" on page 05-18.
1
2
3
4
5
6
Power supply
Power supply
Power supply
Ex OUT
Connected device 1
(Operation status)
Connected device 2
(Error status)
(Indoor unit fan
operation status)
Connected device 3
Example
3-2. External output - (05-17) - 3. External input and output (for indoor unit)
FIELD
WORKING
FIELD
WORKING