Control panels for Pressure Differential Systems (PDS)
PDS CONTROL

Control panels for Pressure Differential Systems (PDS). Designed and programmed to satisfy the requirements described in EN 12101-6. These allow automatic control of airflow and pressure differential in escape routes, elevators or shelter areas.

System Control – Fire fighters key-lock switch
AUTO: Automatic control through pressure transducer + VSD (default position).
ON: Manual activation of the system with 2 pre-set fan speeds (MIN/MAX). Ignores external signals.
OFF: Manual STOP and system reset; ignores external signals.

Main Features
Performance verified in AMCA accredited and ENAC audited laboratory.
Key-lock switch for manual override for fire-fighters (ON/AUTO/OFF), also useful for commissioning stage and maintenance operations.
Remote control using PDS REM series accessories.
Status indicators: PDS CONTROL OK/FAN ON/FAULT/FIRE.
Calibration-friendly for ease of commissioning and routine maintenance operations.
Pre-cabled maneuver for remote activation of daily ventilation, by means of a time programmer.
Outputs for status monitoring.
Modbus protocol communication available.
Steel enclosure.

Models
PDS CONTROL for single fan systems.
PDS CONTROL DUAL for systems that require a back-up stand-by fan, whether in series or in parallel.
If the main fan fails, the panel will automatically activate the stand-by fan.

Supply Voltage
M - Single phase; 220-240V 50/60Hz up to 2,2kW.
T - Three phase; 380-400V + N 50/60Hz up to 15kW.
Other kW requirements, check with S&P.

Accessories
PDS REM
Panel for remote control/override of the corresponding PDS CONTROL.
They replicate indicators and switches, for those cases in which control of the system is required from a different location, typically staircase or building access.
Powered through the corresponding control unit.
With key-lock switch for manual override.
Accessories reserved for firefighters.