External Input/Output Setting
The External Input/Output function of the central station provides the capacity to control 4 inputs and 2 outputs.
Select “External Input/Output Setting” on the “Optional Function Setting” screen to access the setting menu.
Input and Output Connection Function
Input 1 CN1 Pins 1-2
All Run/Stop (Level)
Emergency Stop (Level)
All Run (Pulse)
Demand (Shift of Run/Stop mode / Outdoor Unit Capacity Control)
All Stop (Pulse)
No Setting (Factory Setting)
Input 2 CN1 Pins 2-3
Input 3 CN2 Pins 1-2
Input 4 CN2 Pins 2-3
Output 1 CN3 Pins 1-2
All Run
No Setting (Factory Setting)
All Alarm
Output 2 CN3 Pins 1-3
External Input Function
1 All Run/Stop (Level)
Performs run/stop operation of all groups simultaneously by means of the external input signal.
2 All Run (Pulse)
Performs run operation of all groups simultaneously by means of the external input signal.
3 All Stop (Pulse)
Performs stop operation of all groups by means of the external pulse signal input.
4 Emergency Stop (Level)
The operation of all groups is stopped simultaneously by means of the external emergency stop signal.
While “Emergency Stop” is being carried out, “Central Control” is displayed in the LCD of the remote control switch,
and operation from the remote control switch becomes disabled.
In case of using other central stations together, “Run/Stop” operation is available from the other central stations even
during the emergency stop.
5 Demand Control Function
The external demand control signal allows to cut a peak demand of electrical consumption. The external demand signal
can only be input through input terminal 1.The operation mode of the selected group is changed by the demand signal as
shown below.
Demand Signal ON (*1) Demand Signal OFF (*2)
Demand Function 1
Indoor Unit Operation Stop with RCS Operation Prohib-
ited Mode
The operation condition returns to the previ-
ous state.
Demand Function 2 (*3)
Cooling or Dry Operation
Fan Operation with RCS Operation Prohibited Mode
Heating Operation
Operation Stop with RCS Operation Prohibited Mode
Demand Function 3 (*4)
The setting temperature is set as follows.
Cooling and Dry Operation............28ºC,
Heating Operation..........................20ºC
The operating condition returns to the previ-
ous state, except for setting temperature.
Demand Function 4 (*5)
Indoor Unit Operation Stop with RCS Operation
Prohibited Mode
5 Centralised remote controls
PSC-A32MN
TCGB0106 rev.0 - 12/2014
355
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