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M4-VAV-Universal Retrofit Set • en • v1.1 • 04.2011 • Subject to changes

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Installation VAV-Universal Retrofit-Set 

VRD3-RE2-SET
VAV-Universal Retrofit Set for utilisation 

of existing VAV devices made by various 

manufacturers.
• VRD3-RE2-SET for air velocity 

up to 12 m/s.

General Information

Application

The VAV-Universal Retrofit Set makes possible an efficient replacement of VAV and CAV devices 

made by various manufacturers. Each package contains all of the component parts required for 

making the conversion.

Package contents

1

2

3

4

5

installation instructions

These installation instructions describe the application of the VAV-Universal Retrofit Set 

VRD3-RE2-SET. For a detailed description, we draw your attention to the separate product 

documentation of the VRD3 and NM24A-V, see www.belimo.eu ¦ Documentation ¦ Room and 

System Solutions.

Belimo Automation AG can at any time implement changes and improvements without prior 

notification. For the current edition of the operating instructions, see www.belimo.eu

1

VAV controller VRD3-RE2

2

Damper actuator NM24A-V-RE2

3

Pick-up device ZPD-RE2

4

Anti-rotation strap

5

Form-fit insert 8 x 8 mm

Safety notes

!

•  The device is not allowed to be used outside the specified field of application, especially not 

in aircraft or in any other airborne means of transport.

•  It may only be installed by suitably trained personnel. Any legal regulations or regulations 

issued by authorities must be observed during assembly.

•  The device may only be opened at the manufacturer's site. It does not contain any parts that 

can be replaced or repaired by the user.

•  The cable must not be removed from the device.
•  When calculating the required torque, the specifications supplied by the damper 

manufacturers (cross-section, design, installation site), and the air flow conditions must be 

observed.

•  The device contains electrical and electronic components and is not allowed to be disposed 

of as household refuse. All locally valid regulations and requirements must be observed.

Note

Suitable only for round VAV boxes.

Imag

Summary of Contents for VRD3-RE2-SET

Page 1: ...thout prior notification For the current edition of the operating instructions see www belimo eu 1 VAV controller VRD3 RE2 2 Damper actuator NM24A V RE2 3 Pick up device ZPD RE2 4 Anti rotation strap...

Page 2: ...B mm 280 220 315 247 355 279 400 314 1 1 4 3 2 4 D 100 250 D 280 400 Dismantling the existing VAV controller Electrical connection 1 In the control cabinet undo supply signal cable to the outgoing ter...

Page 3: ...he VAV unit The auxiliary template is located on the packaging of the set 2 Mount pick up device seal 3 Bore an opening in the duct hole size 36 mm Installation 1 Installation of the pick up device in...

Page 4: ...of the new damper actuator Spindle clamp installation The damper actuator for VAV boxes NM24A V RE2 is equipped with the base plate for form fit mounting The front mounting clip may not be used under...

Page 5: ...orientation aid for placing the end stops 25 1mm Note Incorrect settings can lead to damage to the damper blade and to a diminishment of the quality of the control Installation of the new damper actua...

Page 6: ...s or universal mounting brackets are not required and remain left over after completion of the installation Operation setup connection Setup connections VRD2 VRD3 50 60Hz 24VA C DC 1 5W 3VA IP42 Power...

Page 7: ...m3 h 1134 m3 h min x 100 20 230 m3 h 1134 m3 h max x 100 88 1000 m3 h 1134 m3 h min x 100 20 230 m3 h 1134 m3 h Operation setup connection continued Connecting terminals 1 7 Terminal Designation Funct...

Page 8: ...ffective value 0 100 Tool PP Tool parameterised value Automatic adjustment via potentiometer position w write Tool r w r read Note concerning difference min setting VRD3 VRD2 The adjustment range of t...

Page 9: ...angle of rotation adaption of the damper actuator is recommended at the time of initial commissioning An angle of rotation adaption must however be carried out after the adjustment of the angle of ro...

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