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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 11-4-3.
"Combination of external input and output"
When indicator or other components are connected directly
Example:
Function setting 60 is set to "00"
1
2
Connector
(CN20/CN21/CN22/CN23)
LED
PCB
Resistor
Connected unit
+
-
When connecting with a device equipped with a power supply
Example:
Function setting 60 is set to "00"
1
2
Connected device
Connector
(CN20/CN21/CN22/CN23)
PCB
Connected unit
Relay
(Operation status)
-
+
- 121 -
11-4. Floor type
11. External input and output
2-UNIT
MULTI-SPLIT TYPE
2-UNIT
MULTI-SPLIT TYPE