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COMPENSATING CONTROLLER FOR SEQUENCING 2,3 or 4 SINGLE-STAGE BOILERS WITHOUT VALVES

RTC 604

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APPLICATION

Designed for sequencing 2,3 or 4 single-stage boilers without shut-off valves: for control of flow temperature of heating zone and of temperature DHW.

Essential accessories:

  • 1 heating flow temperature detector.

  • 1 outside detector.

Optional accessories:

  • 1 room detector. 

  • 1 DHW detector. 

  • 1 remote control.

FEATURES

  • Power supply: 230 V ~.

  • Consumption: 5 VA.

  • DIN 105 x 115 modular enclosure.

  • Protection: IP 40.

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

  • Setting dates of heating season and automatic changeover GMT - BST.

  • Seven 24-hour programmes, two 7-day programmes.

  • Control temperature heating zone flow:

    • at fixed point.

    • variable in relation to outside temperature.
  • Control of temperature DHW:
  • at fixed point with control pump and/or diverting valve of the dedicated boilers.
    •
  • Sequening:
  • manual intervention.
  • timed automatic inversion.
    •
  • On-Off control of burners.
  • Theoretical metering of boiler operating hours.
  • Remote control for modyfing timed programme in use.

    •  

    Code  

    Description 

    Data sheet
    RTC 604  

    Compensating controller for sequencing 2,3 or 4 boilers.

    A 212

    SONDE E ACCESSORI

    Code   Description Range

    Sensing element

    		 Data sheet
    SAE 001   Outside temperature detector. -30 ... 40 °C NTC 1 kΩ N 120
    SIH 010   Immersion temperature detector. 0 ... 99 °C NTC 10 kΩ N 140
    SAB 010   Room temperature detector. 0 ... 40 °C NTC 10 kΩ N 111
    CDB 300   Remote control for modifying programme in use. – – –