5 Optional functions
Indoor units input and output signals
SMGB0137 rev.0 - 05/2021
100
Function 2: remote switching OFF of the unit (pulse signal input)
On-screen display: 05.
This is an optional remote off signal that uses the pulse signal.
If a signal is input during the stoppage of the system, it remains unchanged.
Connect the wiring and use the materials as indicated in
(Example: terminal 1 and 2 of CN3)
ON
X1
OFF
X2
CN3
X1
X2
3
2
1
3
2
1
3P Connector
Indoor unit PCB
Control circuit
Power
supply
?
N O T E
The pulse range shall be 200 ms or more.
A time chart with the uses of functions 2 is shown below.
Control using the
RCS
CN3 signal
(Terminal 2
and 3)
Time
Unit operation
CN3 signal
(Terminal 1
and 2)
ON
ON
ON
OFF
OFF
OFF
?
N O T E
• The collection of signals during the first 10 seconds after connecting the power supply is not available due to component initialization.
Do not change the signal in this period.
• Wired controller or receiver kit is required for this function.
• If multiple indoor units are connected to the same transition wiring of the controller, input the signal to any of these indoor units.
• When the transition wiring is not used in the twin, triple and quad combinations for simultaneous operation, input the signal to the
main indoor unit.
