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Summary of Contents for CSR Bradford Maestro BAL
- Page 1 Product Manual...
- Page 2 Item Checklist & Additional Tools Required For Installation Included Parts: Qty: Maestro BAL Ventilator Smart Box Power Supply Fixing Strap Smart Box Fixing Screws Product Manual Warranty Document Additional Parts & Tools Required (Not Supplied) Soft Rubber Hammer Caulking Gun (Non BAL Install Only) Suitable Silicone Sealant (Non BAL Install Only) Angle grinder with cutting disc (Tile roof only) Screw/Nail for fastening Fixing Strap (Tile roof only)
- Page 4 Warnings and Important Notices WARNING: Do not proceed with the installation until you have read the entire instructions, including these warnings. INSTALL AT YOUR OWN RISK The installation of this product may be dangerous and includes the potential of death, personal injury or property damage. Please be aware of the following before installing this product.
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Page 5: Warnings And Important Notices
Warnings and Important Notices • When installing eave vents be careful to determine that the eave cladding material does not contain Asbestos. If it does or you cannot determine the make up, then the eave vent can only be installed using correct asbestos handling procedures by a person trained and/or licensed to handle asbestos. - Page 6 Installation—Speed Control Mode SMART BOX DEFAULT MAESTRO BAL PROGRAMMING All Maestro BAL units are default factory programmed to operate at a 30% power fixed speed ventilation mode to meet the Bradford NCC2019 Performance Solution. This mode runs continuously on a low power setting day and night to provide ventilation of heat and moisture in the roof cavity.
- Page 7 Bradford NCC2019 Performance Solution The Bradford NCC2019 Performance Solution provides an alternate method to comply with the Deemed-To-Satisfy roof ventilation requirements listed in NCC2019 Volume 1 Clause F6.4 and NCC2019 Volume 2 Clause 3.8.7.4 Please note, compliance with the NCC2019 is only mandatory for new build residential homes, and may not apply to reroof, or installation onto existing homes.
- Page 8 Installation - Tiled Roof STEP 1 Select a suitable position for the ventilator on the roof no higher than the third row of tiles down from the ridge. Take care to check that there are no obstructions below the tile such as a rafter. The removal of a tile higher than the third row down from the ridge may damage the ridge tile pointing and is NOT recommended.
- Page 9 Installation - Tiled Roof STEP 2 Position the ventilator in the desired location to determine which tiles need to be removed or cut. Mark out position and determine tiles to be removed or cut. STEP 3 Remove a single Cut Tiles complete tile as required.
- Page 10 Installation - Tiled Roof STEP 4 If the roof is sarked, cut sarking in a cross and fold back onto itself to give a opening. Tape the corners to the surrounding sarking with foil tape to prevent them fouling the ventilator. Folding the cut sarking flaps back on themselves results in a gutter arangement that helps to prevent any water running down the sarking from entering through the opening...
- Page 11 Installation - Tiled Roof STEP 6 Fold and form the front edge of the flashing to seal against the tiles below. Using a soft hammer, carefully dress the front and sides of the flashing into the shape of the tiles. For BAL installs this must be done with care SOFT...
- Page 12 Installation - Tiled Roof STEP 8 FLASHING UPSTAND Form the fixing strap so that one end can hook over the f ashing upstand FIXING STRAP From within the roof space, hook the fixing strap over the edge of the BATTEN f ashing upstand at the lowest point of the roof.
- Page 13 Installation - Metal Roof Note: Ridge capping screws may need to be removed whilst performing installation. Upon completion, return the fixing screws to the previous positions STEP 9 MARK CENTRE Select a suitable position for the ventilator. Slip the top edge of the flashing under the ridge cap and mark position.
- Page 14 Installation - Metal Roof STEP 10 Remove the ventilator TURN UP TURN UP and cut a 300mm square or round opening around the centre of the position marks. Turn up the corrugations or pans on both the low and high sides. This will help to prevent water ingress.
- Page 15 Installation - Metal Roof STEP 12 Using a soft rubber hammer, carefully work around the sides and lower edge of the flashing to form it into the corrugations of the metal sheeting profile. For BAL installs this must be done with care to ensure that no gaps greater than 2mm are present.
- Page 16 Installation - Metal Roof STEP 14 Secure the flashing to the metal sheeting with Tek screws or sealed rivets along the 3 exposed edges of the flashing. Approximately 10 required (not supplied) PROCEED TO ELECTRICAL CONNECTION *Important Note* If using the Maestro BAL to comply with NCC2019 Performance Solution additional Maestro BAL's and eave vents may be required depending on the ceiling area of the home.
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Page 17: Installation - Electrical Connection
Installation - Electrical Connection STEP A Connect lead coming from the Maestro BAL fan unit to the Smart Box STEP B How the connectors clip together Connect the power supply lead to the Smart Box STEP C Connect the power supply to a mains socket. - Page 18 Maintenance - Ember Screen The only maintenance required for the Maestro BAL is the occasional cleaning of the stainless steel ember screen. Time between cleaning depends on operating conditions, however yearly cleaning should be performed to maintain optimal performance of the product’s airflow. To clean the ember screen follow the instructions below.
- Page 19 Maintenance - Sparkguard STEP 3 REMOVE SCREWS Using a phillips #2 bit, remove REMOVE SCREWS the 8 screws that are secur- ing the ember screen to the housing. STEP 4 Slide the ember screen off the housing and clean with a soft brush.
- Page 20 Maintenance - Sparkguard STEP 5 Slide the ember screen back onto its mounting brackets. Align the holes in the ember screen frame with the holes on LINE UP MOUNTING the support brackets. HOLES STEP 6 REFIX SCREWS REFIX SCREWS Refix the ember screen to the mounting bracket with the screws removed in step 3.
- Page 21 Maintenance - Sparkguard STEP 7 Place the dome onto the unit. Line up the holes in the dome with the mounting points on top of the fan housing. STEP 8 REFIX SCREWS Refix the dome to the Maestro BAL housing with the 4 screws removed in step 1.
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Page 22: Technical Data
Technical Data Material: Ventilator Housing: Aluminium Dome Support Brackets: Galvanised Steel Ember Screen: Stainless Steel Woven Mesh (Aperture Less than 2mm compliant to AS3959-2009) Flashing: Aluminium 500x500mm Weight: Ventilator: 3.7 kg Electrical: Power Supply: Type Electronic Switching Mode Input 100-240VAC ~ 50-60Hz, 0.45A Max Output 24VDC Fan Motor:... -
Page 23: Possible Actions
FAQ & Troubleshooting Do I need an electrician to install the Maestro BAL? If you have an avaliable power point that can be reached then no electrician in required. If a power point is unavaliable then an electrician will be required to install one. Is the Maestro BAL, BAL Compliant? If installed as per the instructions, the Maestro BAL is compliant for all BAL levels up to BAL-40. -
Page 24: Contact Details
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ __ __ / __ __ / __ __ __ __ Dec 2020 I-041-B Bradford is a business division of CSR Building Products Limited ABN 55 008 631 356 10 Stanton Road, Seven Hills NSW 2147 Australia | www.bradfordventilation.com.au... - Page 25 Notes...
- Page 26 Notes...
- Page 27 bradfordventilation.com.au...
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