Type Retrofit kits

For variable volume flows or V<sub>min</sub>/V<sub>max</sub> switching in room air conditioning systems

Actuators and installation accessories for mechanical self-powered CAV controllers Type EN, RN, or VFC, and flow adjustment dampers Type VFR

  • Parts kits for easy retrofit
  • Potentiometer or mechanical stops
  • Supply voltage 24 V AC/DC or 230 V AC
  • Control input signal: Signal voltage 0 – 10 V for modulating actuators
  • Control input signal: 1-wire control or 2-wire control (3-point) for min/max switching
  • Positive lock connection with CAV controller or flow adjustment damper


Optional accessories for Types RN and EN

  • Auxiliary switch with adjustable switching points, for example for capturing the end positions

00137503_0
  • Application
  • Description

Application

Parts kits for the retrofit of mechanical self-powered volume flow controllers or flow adjustment dampers with actuators.

CAV controllers Type EN or RN, as well as for VFC

  • Min/Max switching of volume flow setpoint values
  • Variable adjustment of volume flow rate setpoints

Flow adjustment dampers Type VFR

  • Min/Max change of the damper blade position

Parts and characteristics

  • Damper blade can take various positions
  • Mechanical stops or potentiometers (only for Types VFC and VFR) to set the volume flow rates
  • Supply voltage 24 V AC/DC or 230 V AC
  • Switching between setpoint values or signal voltage range0 – 10 V DC

Technical information

  • Quick sizing
  • Specification text
  • Order code

Actuators for volume flow controllers Type RN or EN

Part numberConstructionSupply voltageTypeIdentical to attachment
NR-VAV-B50Min/Max switching, mechanical stops24 V AC/DCLM24A-FB50
NR-VAV-B60Min/Max switching, mechanical stops230 V ACLM230A-FB60
NR-VAV-B70Variable adjustment, mechanical stops24 V AC/DCLM24A-SR-FB70
NR-VAV-S2Auxiliary switchS2AIncluded with B*2
NR-VAV-RNMATInstallation accessories for RN
NR-VAV-ENMATInstallation accessories for EN

Installation accessories for CAV controllers Type EN or RN are to be ordered separately


Retrofit kits for min/max switching or for the modulating adjustment of mechanical self-powered volume flow controllers in ventilation and air conditioning systems.

00136284_0

 Retrofit kit

 

       For Types EN and RN
NR-VAV-B50 Retrofit actuator for min/max switching, identical to attachment B50
NR-VAV-B60 Retrofit actuator for min/max switching, identical to attachment B60
NR-VAV-B50 Retrofit actuator for variable adjustment, identical to attachment E03
NR-VAV-B70 Retrofit actuator for variable adjustment, identical to attachment B70
NR-VAV-S2 Retrofit auxiliary switch, identical to attachment B*2
NR-VAV-ENMAT Retrofit installation accessories for EN
NR-VAV-RNMAT Retrofit installation accessories for RN

       For Types VFC and VFR
NR-VAV-E01 Retrofit actuator for min/max switching, identical to attachment E01
NR-VAV-E02 Retrofit actuator for min/max switching, identical to attachment E02
NR-VAV-E03 Retrofit actuator for variable adjustment, identical to attachment E03
NR-VAV-M01 Retrofit actuator for min/max switching, identical to attachment M01
NR-VAV-M02 Retrofit actuator for min/max switching, identical to attachment M02

 

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Contact

Thank you for your message!

Visual contact Visual contact

Your message is send and will be processed shortly.
Our department for Service-Requests will contact you asap.
For general question regarding products or services you can also call:
Tel.: +49 (0)2845 / 202-0 | Fax: +49 (0)2845/202-265