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¢ External Input and Output PCB
The indoor unit Operation/Stop can be set by using the input connector on the PCB.
• Input select
Use either one of these types of connectors according to the application. (Both types of connec-
tors cannot be used simultaneously.)
– Dry contact
In case of internal power supply, set the slide switch of SW301 to "NON VOL" side.
Input 1
Input 2
*1: The switches can be used on the following condition: DC 12 V to 24 V, 1 mA to 15 mA.
– Apply voltage
In case of external power supply, set the slide switch of SW301 to "VOL" side.
Input 1
Input 2
*1: The switches can be used on the following condition: DC 12 V to 24 V, 1 mA to 15 mA.
*2: Make the power supply DC 12 V to 24 V, 10 mA or more.
8-1. External input
*
*
Connected device
*
-
Power supply
*
Connected device
+
*2
- 13 -
PCB
+
1
2
CN313
-
3
+
1
2
CN314
-
3
PCB
1
2
CN313
3
1
2
CN314
3
8. External input and output
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