12-6. Floor type
PCB
P 190
CN
20
CN 14
CN 15CN 21
CN
22
CN 23
Indoor unit PCB
PCB External input External output Connector Input signal
Indoor unit
Operation/Stop
—
CN14
EdgeForced stop
Forced thermostat off CN15
—
Operation status
CN20/CN21/
CN22/CN23
—
Error status
Indoor unit fan
operation status
External heater output
¢
External input
With using external input function, some functions on this product can be controlled from an external
device.
• “Operation/Stop” mode can be selected with function setting of indoor unit.
• A twisted pair cable (22AWG) should be used. Maximum length of cable is 150 m.
• The wire connection should be separate from the power cable line.
Indoor unit
Indoor unit functions such as Operation/Stop can be done by using indoor unit connectors.
Connector
(CN14/CN15)
PCB
Connected unit
*1: The switch can be used on the following condition: DC 12 V to24 V,1 mA to15 mA.
- 241 -
12-6. Floor type
12. External input and output
4-5 UNIT
MULTI-SPLIT TYPE
4-5 UNIT
MULTI-SPLIT TYPE
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