Indoor Unit(Except For Compact Wall Mounted Type) - Fujitsu R407C Service Manual

2-4 EXTERNAL INPUT & OUTPUT
2-4-1 INDOOR UNIT ( EXCEPT FOR COMPACT WALL MOUNTED TYPE
(1) Control input (Operation/Stop)
Indoor unit can be operated or stopped by using indoor unit PCB
CN 21 (Wall mounted type / ceiling wall type) or CN27 (other types)
1 Input select
Dip SW3-4
OFF
ON
2 In the case of "Edge" input
CONNECTOR INPUT SIGNAL
Ch1 of
OFF
*1)
CN21 (RED)
or
ON
*2)
CN27 (RED)
On
Ch1 of
CN21 or
*1)
Off
CN27
*2)
Remote
Controller
Operation
Indoor
Stop
Unit
3 In the case of "pulse" input
CONNECTOR
CN21 (RED) *1)
or
CN27 (RED) *2)
Ch1
CN21 *1)
or
CN27
*2)
Ch2
Operation
Indoor
Unit
Input select
Edge
Pulse
COMMAND
ON Operation
OFF Stop
On
INPUT SIGNAL
Ch1 OFF ON
OFF ON
Ch2
The width of pulse must be longer than 200ms.
On
Off
On
Off
Stop
Ch 1
Ch 2
*1) For Wall mounted type / Ceiling wall type.
*2) For other types
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.
COMMAND
Operation
Stop
02-28
1
2
CN 21
(RED) *1)
3
or
CN 27
(RED) *2)