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2-4 EXTERNAL INPUT & OUTPUT
2-4-1 Indoor Unit
1. Control input (Operation/Stop)
Indoor unit can be operated or stopped by using the connector CN27(RED) on indoor unit PCB.
Resistance < 500(ohm)
Resistance > 100(Kilo-ohm) ( Switch : OFF )
A twisted-pair cable(AWG22) should be used maximum length of cable is 25m.
(1) Input select
Dip SW3-4
OFF
ON
(2) In the case of "Edge" input
CONNECTOR INPUT SIGNAL
Ch1 of
CN27 (RED)
Ch1 of
CN27
Remote
Controller
Indoor
Operation
Unit
(3) In the case of "pulse" input
CONNECTOR
CN27 (RED)
Ch1
CN27
Ch2
Indoor
Unit
( Switch : ON )
Input select
Edge
Pulse
COMMAND
OFF
ON
Operation
ON
OFF
Stop
On
Off
Stop
INPUT SIGNAL
Ch1
OFF
OFF
Ch2
The width of pulse must be longer than 200ms.
On
Off
On
Off
Operation
Stop
On
COMMAND
ON
Operation
ON
Stop
02-36
Ch 1
1
Ch 2
2
CN 27(RED)
3
NOTE
1. The last command has priority.
2. The indoor units within the same
remote controller group operates
in the same mode.
3.The wire connection shall be
separate from the power cable line.
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Troubleshooting
