Bradford Ventilation 61732 Industrial Ventilator Damper User Manual

June 12, 2024
Bradford Ventilation

Bradford Logo Industrial Ventilator Damper
Refer to product table below for applicable product codes covered by this document

Product Type & Application

Bradford Ventilation Industrial Ventilator Dampers are designed to be used with the Hurricane ® and EcoPower®  ventilators. Industrial Ventilation Dampers are suitable for applications where manual or powered control of air- flow to the ventilator is required.
Compliance with the NCC
There are no relevant clauses within the NCC for this product to comply with.
Evidence of Suitability
There are no relevant clauses within the NCC to show compliance with – refer to the Additional Data section of this PTS for other compliance data.
Conditions of Storage, Use & Maintenance

  • Store in the original packaging in a cool and dry area.
  • The electronics and electrical components are designed for indoor installation only and should not come into contact with water.
  • This product requires regular inspection and maintenance, which should be increased in frequency when used in harsh environments.
  • Do not attempt to repair – contact Bradford Ventilation.

Refer to the product warranty at bradfordventilation.com.au for more information.

Limitations of Use

  • Do not use for exhausting hazardous, abrasive, explosive materials and vapour.
  • This product is not suitable for bushfire (BAL) rated areas.
  • Seek technical advice from Bradford Ventilation on application suitability if unsure.
  • This product is not sealed and therefore not suitable for the containment of smoke, preventing air entry or isolation of specific volumes of air.
  • The products are designed to be used with Bradford Ventilation Hurricane ® and EcoPower ® ventilators only.
  • IMPORTANT – Do Not Modify This Product: Performance and safety are only achieved by the product or configuration listed in this PTS.

Specific Design or Installation Instructions

  • It is recommended the dampers are installed by the factory at the time of ventilator purchase. Retrofitting a damper requires the removal of the ventilator turbine and varipitch assembly, and access from above and below the roof.
  • The damper is designed with clearance to the internal ventilator throat or flashing to avoid interference during operation.
  • Even when the damper is closed, an adequate make-up area must be provided as per the Hurricane® and EcoPower® installation manual.
  • Type 1 and Type 2 Damper do not require electrical connection for operation.
  • Type 1, 2 and 5 dampers flap will fold down to open. Adequate clearance must be provided.
  • Type 5 and Type 6 Damper require 240VAC or 24VAC for operation.
  • Ensure that the vent and damper are installed in an area where the operation of the damper is not obstructed or restricted by the building structures.
  • WARNING: Isolate power before installation. Electrical wiring must be carried out by a licensed electrician.
  • Important Note: This product is not sealed – see specific advice under Limitations of Use.

For general installation guidance refer to the product installation guide at www.bradfordventilation.com.au

Product Technical Statements are referenced as suitable documentary evidence to support the use of a product for a Performance
Requirement or a Deemed-to-Satisfy Provision of the BCA under Part A5.2(1)(f).
Document Reference: Industrial Ventilator Damper_Bradford Ventilation_PTS524_A

Industrial Ventilator Damper

Applicable Product Codes (SKU) – Type 1 Damper – Manual Butterfly Type Damper
Manual cord operated damper that allows user to control the level of ventilation required. This split-disc manual cord is designed for Hurricane®EcoPower® ventilators. The springs on this damper hold the disc unit closed when the unit is not retained in the open position.

Size 300mm 400mm 450mm 500mm 600mm 700mm 900mm
Code 61732 61733 61734 61735 61736 61737 61739

Product Assembly – Type 1 Damper – Manual Butterfly Type Damper

Bradford Ventilation 61732 Industrial Ventilator
Damper

Applicable Product Codes (SKU) – Type 2 Damper – Manual Butterfly Type Damper with Cam Cleat
Manual cord and cleat operated damper that allows the user to control the level of the ventilation required. This split-disc manual damper is designed for Hurricane® and EcoPower® ventilators. The cleat allows the damper to be locked in open whilst the springs hold the unit closed when the cleat is released.

Size 300mm 400mm 450mm 500mm 600mm 700mm 900mm
Code 61740 61741 61742 61743 61744 61745 61747

Product Assembly – Type 2 Damper – Manual Butterfly Type Damper with Cam Cleat

Bradford Ventilation 61732 Industrial Ventilator Damper - Cam
Cleat

CSR Bradford Locked Bag 1345 North Ryde BC NSW 1670 For further technical advice csrbradford.com.au call 1300 850 305 or visit csrbradford.com.au
CSR Bradford is a business division of CSR Building Products Limited MN 55 008 631 356 The contents of this brochure are copyright protected and may not be reproduced in any form without prior written consent of CSR Bradford. Recommendations and advice regarding the use of the products described in this brochure are to be taken as a guide only, and are given without liability on the part of the company or its employees. We reserve the right to change product specifications without prior notification, please refer to the CSR Bradford website for the latest revision of this document. The purchaser should independently determine the suitability of the product for the intended use and application.
Document Reference: Industrial Ventilator Damper_Bradford Ventilation_PTS524_A
Industrial Ventilator Damper
Applicable Product Codes (SKU) – Type 5 Damper – Electric Butterfly Type Damper
An electrically operated split-disc electric damper which allows the user to control the level of air-flow. The Type-5 damper is designed for Hurricane® and EcoPower® ventilators. The electric dampers can be operated by a switch (not included). The damper actuator is available in 24VAC and

Actuator Voltage 300mm 400mm 450mm 500mm 600mm 700mm 900mm
24V AC Type 83944 83945 83947 83948 83949 79486
240V AC Type 61748 61749 61750 61751 61752 61753 61755

Product Assembly – Type 5 Damper – Electric Butterfly Type Damper

Bradford Ventilation 61732 Industrial Ventilator Damper - Type
Damper

**Electrical Connection Diagram – Type 5 Damper – Electric Butterfly

Type Damper**

240VAC ( damper supplied with 4 pin plug)

Bradford Ventilation 61732 Industrial Ventilator Damper - Type Damper
1

24 VAC (Damper supplied with stripped leads)

Wire colour Function
Red System potential 24 VAC
Purple Actuating signal 0 VAC (Close Damper)
Orange Actuating signal 0 VAC (Open Damper)

Electrical Specification – Type 5 Damper – Electric Butterfly Type Damper

Actuator Voltage| Actuator Manufacturer| Operating Voltage| Power Consumption| Operating Time
(Opening or Closing)| Actuator IngressProtection
---|---|---|---|---|---
24V AC Type| Siemens| 24V AC ~50/60 Hz| 1W| 150 seconds| IP54
240V AC Type| Siemens| 240V AC ~50/60Hz| 1W| 150 seconds| IP54

An electrically operated single-disc electric damper which allows the user to control the level of air-flow. The Type-6 damper must be fitted into a Hurricane® or EcoPower® ventilators with a special base. The electric dampers can be operated by a switch (not included). The damper actuator is available in 24VAC and 240VAC.

Actuator Voltage 300mm 400mm 450mm 500mm 600mm
24V AC Type 83962 99432 91146
240V AC Type 61756 61757 61758 99431 91145

Product Assembly – Type 6 Damper – Electric Disc Type Damper

Bradford Ventilation 61732 Industrial Ventilator Damper - Electric
Disc

Electrical Connection Diagram – Type 6 Damper – Electric Disc Type Damper

Bradford Ventilation 61732 Industrial Ventilator Damper - Type Damper
2

24 VAC (Damper supplied with stripped leads)

Wire colour Function
Red System potential 24 VAC
Purple Actuating signal 0 VAC (Close Damper)
Orange Actuating signal 0 VAC (Open Damper)

Electrical Specification – Type 6 Damper – Electric Disc Type Damper

Actuator Voltage| Actuator Manufacturer| Operating Voltage| Power Consumption| Operating Time (Opening or Closing)| Actuator Ingress
Protection
---|---|---|---|---|---
24V AC Type| Siemens| 24V AC ~50/60 Hz| 1W| 150 seconds| IP54
240V AC Type| Siemens| 240V AC ~50/60Hz| 1W| 150 seconds| IP54

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References

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