5 Optional functions
Indoor units input and output signals
SMGB0137 rev.0 - 05/2021
101
5
Forbidding remote control after manual stoppage
On-screen display: 06.
It is possible to stop the air conditioning systems using the signal from a building management system. In this case, the
individual commands transmitted from the remote control are cancelled.
Connect the wiring and use the materials as indicated in “5.1.1 Available ports”. (Example: terminal 2 and 3 of CN3).
3P Connector
Indoor unit PCB
SS3: Forced stoppage switch
Power
supply
A time chart with the uses of the function is shown below.
Control using the
RCS
CN3 signal
(Terminal 2
and 3)
Time
Unit operation
ON
ON
OFF
OFF
? NOTE
The collection of signals during the rst 10 seconds after connecting the power supply is not available due to component initialization.
With this optional function, contact B can be used through the optional setting of the remote control. The time chart is
shown below, which provides information on when contact B can be used. See “5.2.1 List of optional remote control
functions (PC-ARFP1E)” for further details on contacts A and B.
Control using
the RCS
CN3 signal
(Terminal 2
and 3)
Time
Unit operation
ON
ON
OFF
OFF
? NOTE
• This function is not available after the manual (forced) stoppage because commands from remote control switch are cancelled.
(Remote control switch is required).
• It is not available to pick up a signal within 10 seconds after power supply is turned ON due to the initialization of the components.
Do not change the signal (RUN/STOP) in this period.
• Wired controller or receiver kit is required for this function.
• The following ON/OFF functions are not available after the manual (forced) stoppage because commands from the controller is
cancelled.
- ON/OFF function from a remote place
- ON/OFF function by the centralized controller while the wireless controller switch is used.