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3. 2. External Output
3. 2. 1. Operation Status Output
• An air conditioner operation status signal can be output.
Circuit diagram example
Indoor unit
PC board of
communication kit
Connector
~24V DC
Blue
Purple
10m *
Signal
* Make the distance from the PC board to the connected unit within 10m.
Relay spec. : Max.24V DC, 10mA to less than 500mA.
Operation
Indoor unit
Stop
ON
Output signal
OFF
NOTE
• Only operation and stop signals will be output.
Use the remote controller to check the operation mode, temperature, and airflow.
3. 2. 2. Error Status Output
• An air conditioner condition normal/error status signal can be output.
Circuit diagram example
Indoor unit
PC board of
communication kit
Connector
~24V DC
Red
White
10m *
Signal
* Make the distance from the PC board to the connected unit within 10m.
Relay spec. : Max.24V DC, 10mA to less than 500mA
Error
Error status
Normal
ON
Output signal
OFF
NOTE
• Only error signals will be output.
Check the error information on the display area of the main unit.
En-2
Connected unit
Ex.) Relay unit
Ex.) Display
Relay
Power
supply
Field supply
Connected unit
Ex.) Relay unit
Ex.) Display
Relay
Power
supply
Field supply
4. CONNECTING TO INDOOR UNIT
• Connect the connector to the board of the air-conditioner.
To connect to the air-conditioner, refer to the installation manual of the air-conditioner.
• Connect the tip of the wire to the external equipment.
If necessary, extend it with locally procured wire.
• Ensure that the connecting part is insulated for protection.
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