COMPENSATING CONTROLLER WITH SEASON SWITCHING OPTIONAL TELEMANAGEMENT DCS 633 NOW OBSOLETE
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APPLICATION

Designed for winter and summer compensated control in water flow in centralised plants with fan coils or under floor heating

Essential detectors:

• 1 outside sensor.

• 1 flow sensor.

Optional accessories:

• 1 room temperature or temperature & humidity sensor.

• 1 remote control.

FEATURES

• Power supply: 230V~.

• Consumption: 5VA.

• DIN 105 x 115 modular enclosure.

• Protection: IP 40.

• Digital programming by means of four keys and alphanumeric display.

• Seven 24hour programs, two 7day programs, 25 holiday periods & one special period with dates.

• Manual or automatic season switching with dates or by external switch (as alternative to two digital alarm inputs).

• Automatic switching BST - GMT.

• Compensated or fixed point control summer and winter flow temperature:

  • Modulating control of valve by 3-wire reversible actuator or On-Off control in two stages.

  • Control of heating pump in relation to times and demand for heat.

  • Minimum & maximum limits for flow temperature.

  • Manual correction of heating curve point of origin (compensation intermediate seasons).

  • Automatic correction of heating curve in relation to room temperature (Ambient Authority).

  • Control of ambient dew-point for summer cooling plants with under floor panels.

  • Control boiler anticondensing temperature (closure heating valve).

  • Remote control for adjusting program in use.

• Relay output for centralized season switching.

• Two On-Off alarm inputs (as alternative to external switch for season switching).

• Alarms for plant faults and for open or short sensor circuit.

DETECTORS AND ACCESSORIES