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KNX servo 3

Order No. 2176 00
EAN 4010337019374
Packing unit 1
PS 06

Recommended retail price. Price system (PS) not equal to 1, 14 = reduced discount.
Replaces 1097 00.


  • Electric motor-driven servo with one binary input (zero-voltage) for mounting on thermostat valve bases (recommended: Heimeier) for controlling heating or cooling systems.
  • Suitable for room temperature control, e.g. on radiators, convector heaters or heating circuit distributors on floor heating, etc.
  • Screwed onto valve head.
  • M30 × 1.5 mm connection.
  • Integrated bus coupler. The servo is a proportional drive and can be directly integrated into the KNX system (without additional bus coupler).
  • Supply voltage is drawn from the KNX system.
  • Integrated temperature sensor.
  • Integrated room temperature controller.
  • Mechanical indicator for valve travel.
  • Automatic detection of valve travel.
  • One input. This can be used as a binary input or for connecting an external temperature sensor with the following functions:
    Switching, dimming, blind, as dimming value transmitter, as brightness value transmitter, as light scene auxiliary unit with and without memory function, as remote temperature sensor or as temperature limiter for underfloor heating.
  • Switching function: two independent switching objects are available for each input (switching commands can parameterised individually), command for leading and trailing edge can be set independently (ON, OFF, CHANGE, no reaction).
  • Dimming function: Single and double-surface operation, time between dimming and switching, telegram repetition and stop-telegram transmission possible.
  • Blind function: Command can be set with rising edge (no function, UP, DOWN, CHANGE), operating concept can be configured (Step - Move - Step or Move - Step), time between short and long-term operation can be set (only with Step - Move - Step), slat adjustment time can be set.
  • Value transmitter function: Edge (button as NO contact, button as NC contact, switch) and value with edge can be configured, value adjustment by pressing and holding a button for value transmitters possible.
  • Lighting scenario auxiliary unit with or without memory function.
  • Can be used in a heating circuit distributor.
  • Protection against jammed valves
  • Corrected variable (1 bit or 1 byte).
  • Cyclical monitoring of the corrected variable.
  • Fault message object for drive faults.
  • Emergency operation via internal temperature sensor.
  • 2 forced settings or 1 forced setting and 1 limit value object can be set.
  • Minimum and maximum variable limit can be set.

Technical data

KNX medium:

M30 x 1.5 mm
1.0 mm to 4.2 mm
Regulating power:
80 N to 120 N

Cable length
Connection cable:
1 m
Length of the connection cable for each KNX line (sum total applies to all servos present in the line):
max. 30 m
Binary input/remote sensor:
Max. 10 m

Number of servos for each KNX line:
30 units max

Protection type:

Ambient temperature:
0 °C to 50 °C


  • With the default setting, the servo fits on Heimeier valve bases. Use an adapter for valve bases of other manufacturers.

Dimensions in mm

W 79 H 47 D 79

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Data sheet

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KNX Valve drive 3
Operating instructions

Operating instructions.

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2176 00
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677 Kb

KNX Valve drive 3
Technical Documentation

Technical documentation.

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2176 00
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10.869 Kb

KNX Valve drive 3
Product database

Product database from ETS 4.2.

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956 Kb

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