TEMPERATURE CONTROLLER WITH TIMED PROGRAMMING OPTIONAL TELEMANAGEMENT  XTR 628
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• TELEMANAGEMENT : Enabled with ACB 460 accessory.

APPLICATION

Suitable for temperature control:

• DHW & storage calorifier.

• Swimming pool water with or without flow limits.

• Flow underfloor panels and fan-coils.

• Greenhouse beds with flow limits.

• Room with or without flow limits for heating zones with radiators, panels, hot air generators.
  

• Data communication with other controllers via connection.

Essential detectors:

• 1, 2 or 3 temperature sensors.

Optional accessories:

• 1 flow temperature sensor.

• 1 set-point adjuster.

FEATURES

• Power supply: 230V~.

• Consumption: 5VA.

• DIN 105 x 115 modular enclosure.

• Protection: IP 40.

• Digital programming by means of 4 keys and alphanumeric display.

• 1 primary temperature control with:

  • Control of temperature with one primary sensor or with one primary sensor and one flow sensor (minimum & maximum limits).

  • Modulating 3-wire control of valve or On-Off in 1 or 2 stages Proportional/Integral or differential.

• 2 On-Off temperature or timed controls with:

  • Control temperature with one sensor.

  • On-Off PI or differential control.

• Autonomous timed programming for the three controls with seven 24hour programs, two 7day programs and 2 5 annual periods with dates.

• Autonomous functions usable by the three types of control:

  • Priority and control anticondensing boiler.

  • Antibacteria.

• Automatic switching GMT - BST.

• 1 input for changing programs primary control.

• 2 inputs for changing programs On-Off control or On-Off alarm inputs.

• 1 On-Off alarm input.

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

Code		Description	Data sheet
XTR 628		Temperature controller.	D 212
ACB 460		Plug-in per comunicazione via .	-

DETECTORS AND ACCESSORIES