En-2
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
Blue
Purple
Connected unit
Ex.) Relay unit
~24V DC
Ex.) Display
Relay
Power
supply
10m *
Signal
Field supply
* Make the distance from the PC board to the connected unit within 10m.
Relay spec.
: Max.24V DC, 10mA to less than 500mA.
Indoor unit
Output signal
Stop
OFF
Operation
ON
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
Red
White
Connected unit
Ex.) Relay unit
~24V DC
Ex.) Display
Relay
Power
supply
10m *
Signal
Field supply
* Make the distance from the PC board to the connected unit within 10m.
Relay spec.
: Max.24V DC, 10mA to less than 500mA
Error status
Output signal
Normal
OFF
Error
ON
NOTE
• Only error signals will be output.
Check the error information on the display area of the main unit.
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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2011/03/18 19:21:03
