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ROOM TEMPERATURE CONTROLLER

RTB 645

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APPLICATION

Regolatore di temperatura ambiente con limite di mandata. Comando valvola per riscaldamento e condizionamento. Gestione della velocitą ventilatore in automatico o manuale. Temperatura programmabile da master (UMT 704 c4) o telecomando.

Trasmissione e ricezione dati con collegamento parallelo .

Optional detector:

  • 1 sonda di temperatura ambiente, per terminali o da canale.

FEATURES

  • Power supply: 24 V ~.

  • Consumption: 4 VA.

  • DIN 105 x 115 modular enclosure.

  • Protection: IP 40.

  • On-Off output:

    • Voltage-free contacts: rating.

    • Rating 250 V ~, 5 (1) A.

  • Proportional band: ± 0,5 °C.

  • Modulating outputs:

    • Valve control:

      • Modulating or On-Off proportional or 2 stages On-Off.

    • Fan control:

      • 3 On-Off fan speed.

Code   Control outputs Data sheet
RTB 645    3 On-Off hot or cold (3 fan speeds) +  2 modulating hot and cold (2 3-wire valve). B 523

DETECTORS & ACCESSORIES

Code   Description Range 

Sensing element

 Data sheet
SAB 010   Room temperature detector. 0 ... 40 °C NTC 10 kΩ –
SAB 210   Room temperature detector with +1 hour key. 0 ... 40 °C NTC 10 kΩ –
SCB 110   Room temperature detector with setpoint adjuster. 0 ... 40 °C NTC 10 kΩ –
SCB 210   Room temperature detector with +1 hour key and setpoint adjuster. 0 ... 40 °C NTC 10 kΩ –
STT 010   STemperature detector for fan coils. 0 ... 40 °C NTC 10 kΩ –
STA 010   Air duct temperature detector. 0 ... 100 °C NTC 10 kΩ –
CDB 100   Temperature setpoint adjuster with NTC 1 kΩ room sensor. – – –
AIC 240   Inverts status of window switch. – – –