first page

FIXED POINT CONTROLLER FOR DISTRICT HEATING

DTT 318

 click on picture to enlarge

 Path - First page - Products - District Heating - DTT 318

APPLICATION

Designed for fixed point control of secondary temperature in district heating sub-stations comprising one heat exchanger with mixing valve on primary.

  • compatible.

Essential accessories:

  • 1 detector secondary flow.

Optional accessories:

  • 1 detector primary return.

FEATURES

  • Power supply: 230 V ~.

  • Consumption: 3 VA.

  • DIN 53 x 115 modular case.

  • Protection: IP 40.

  • Digital programming by means of four operating keys and 3-figure display.

  • Control secondary flow temperature at fixed point.

    • Modulating control (3-wire) or On-Off in two stages or On-Off proportional in one stage.

    • Valve opening limitation for maximum limit return temperature primary return circuit.

  • Season switching by external swith.

Code  

Description 

Data sheet
DTT 318  

Fixed point controller for district heating sub-stations.

B 282

DETECTORS AND ACCESSORIES

Code   Description Setting range

Sensing element

 Data sheet
SIH 010   Controller for district heating substations. 0 ... 99 °C NTC 10 kΩ N 140
CDB 100   Set point adjuster. – – –