prima pagina

MODULATING TEMPERATURE CONTROLLER OR ON-OFF IN 2 STAGES

RTF 31.

click on picture to enlarge

 Path - First page - ProductsControllers for Various Uses - RTF 31

APPLICATION

  • Controller RTF 31. is designed for hot or cold temperature control in the following outlets:

    • DHW production;

    • heating swimming pool water;

    • underfloor heating panels or fan coils;

    • heating horticultural beds;

    • convectors.

Essential accessories:

  • 1 detector for primary control.

Optional accessories:

  • 1 detector for limit control.

  • 1 set-point adjuster.

FEATURES

  • Power supply: 24 V ~ oppure 230 V ~.

  • Controller: 3 VA.

  • DIN 53 x 115 modular case.

  • Protection: IP 40.

  • Digital programming by means of 4 operating keys and 3-digit numeric display.

  • Modulating control of valve by 3-wire reversible actuator or On-Off in 2 stages.

  • Minimum and maximum limits flow temperature.

  • Season switching by external switch.

Code  

Description 

Power supply

Data sheet

RTF 314   Modulating temperature controller. 24 V ~ D 151
RTF 318  

Modulating temperature controller.

230 V ~

DETECTORS & ACCESSORIES

Code   Description Setting range

Sensing element

Data sheet
CDB 100   Setpoint adjuster. -5 ... +5 °C NTC 10 kΩ
SAB 010   Room temperature detector. 0 ... 40 °C NTC 10 kΩ N 111
SIH 010   Immersion water temperature detector. 0 ... 99 °C NTC 10 kΩ N 140
SIR 010  

Immersion water temperature detector (quick sensing).

0 ... 100 °C NTC 10 kΩ
STA 010   Air duct temperature detector. 0 ... 99 °C NTC 10 kΩ N 150