CSR Bradford Maestro BAL Product Manual Download Page 13 | Manualshive

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13

Installation -

Metal Roof

STEP 9

Select a suitable position for

the ventilator.
Slip the top edge of the

flashing under the ridge cap

and mark position.
To Install the vent lower

down the roof, appropriate

backflashing must be

installed, extending back to

the ridge capping.

Ensure that the flashing covers the roof corrugations or ribs

equally and that it is located between roof rafters.

MARK CENTRE

Note:

Ridge capping screws may need to be removed whilst performing

installation. Upon completion, return the fixing screws to the previous positions

*Note*

If installing in accordance with the NCC 2019 Performance

Solution,

the

Maestro BAL

must be located not more than 900mm below the

ridge or

the

highest point of the roof space when measured vertically.

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Summary of Contents for Bradford Maestro BAL

Page 1: ...Product Manual ...

Page 2: ...Install Only Angle grinder with cutting disc Tile roof only Screw Nail for fastening Fixing Strap Tile roof only Knife Sarked roof only Foil Tape Sarked roof only Marker Pen Nibbler or Similar Cutting Tool Metal roof only 10G Tek Screws or Sealed Rivets Metal roof only Side Cutters Additional Parts Tools Required Not Supplied Included Parts Qty For BAL Compliance NO sealant should be used Instead ...

Page 3: ...3 4 1 2 3 ...

Page 4: ...t are slippery wet or dusty Using appropriate equipment tie off ladders etc DO NOT attempt to install if you are uncomfortable with working at heights or on sloping roof surfaces There are sharp edges on the flashing cut tiles roof sheeting etc Take care and wear personal protective equipment when handling and installing products Be aware that the Maestro BAL once connected to mains power will sta...

Page 5: ...ing damage electrical failure or fire The Maestro BAL has an unguarded fan blade assembly when accessed from below DO NOT use in locations readily accessible to people or animals Always use the provided power supply and Smart Box to power the fan Failure to do so can damage the product If mains electrical connections are required e g wiring a power point then they must be carried out by a licensed...

Page 6: ... night to provide ventilation of heat and moisture in the roof cavity For more information on how many Maestro BAL and eave vents are required to satisfy the National Construction Code via Performance Solution please see Page 7 of this product manual If the Maestro BAL is not required for new build NCC2019 compliance the Bradford Air iQ smart box can be activated by holding down the Mode Button fo...

Page 7: ...o BAL and Metal Eave vents required is determined by the ceiling size directly under the roof space of the home General requirements for implementation of this performance solution Calculate the area m2 of ceiling directly under the roof space Install Maestro BAL s running at 30 power according to the table below Install Bradford metal eave vents according to the table below Note Bradford metal ea...

Page 8: ...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 Note If installing in accordance with the NCC2019 Performance Solution the Maestro BAL must be located not more than 900mm below the ridge or the highest point of the roof space when measured vertically ...

Page 9: ...Tiled Roof STEP 3 Remove a single complete tile as required Cut other tiles as required to fit the housing Cut the removed tile and leave the lower portion fitted in place This helps to seal the flashing Cut Tiles Depending on roof construction a tile batten may be obstructing a clear access to the throat This batten can be left in place with the Maestro BAL sitting above it 9 ...

Page 10: ...g 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 STEP 5 Fit the ventilator into place and ensure surrounding tiles are fitted securely For BAL compliance no gaps greater than 2mm may be present A water tight install can be achieved by carefully forming the flashing to the tile profil...

Page 11: ...into the shape of the tiles For BAL installs this must be done with care to ensure that no gaps greater than 2mm are present SOFT HAMMER STEP 7 NON BAL ONLY To assist with weatherproofing a bead of silicone sealant can be applied between the tiles and the side and front edges of the flashing THIS SHOULD NOT BE DONE FOR BAL ZONE INSTALLATIONS DUE TO THE COMBUSTIBLE NATURE OF SEALANTS ...

Page 12: ...y hold the ventilator down For additional weather proofing turn the rear edge of the flashing up so that it seals against the tiles above 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 For more information on the number of Maestro B...

Page 13: ...sure that the flashing covers the roof corrugations or ribs equally and that it is located between roof rafters MARK CENTRE Note Ridge capping screws may need to be removed whilst performing installation Upon completion return the fixing screws to the previous positions Note If installing in accordance with the NCC 2019 Performance Solution the Maestro BAL must be located not more than 900mm below...

Page 14: ...1 Return the Maestro BAL to the roof positioning it over the cutout Ensure that the top of the flashing is slipped under the ridge capping For lower pitched roofs turn up the top edge of the flashing before slipping under ridge capping This will help prevent water ingress For BAL compliance no gaps greater than 2mm may be present A water tight install can be achieved by carefully forming the flash...

Page 15: ...al sheeting profile For BAL installs this must be done with care to ensure that no gaps greater than 2mm are present STEP 13 NON BAL ONLY To assist with weatherproofing a bead of silicone sealant can be applied between the sheeting and the side and front edges of the flashing THIS SHOULD NOT BE DONE FOR BAL ZONE INSTALLATIONS DUE TO THE COMBUSTIBLE NATURE OF SEALANTS ...

Page 16: ...ution additional Maestro BAL s and eave vents may be required depending on the ceiling area of the home For more information on the number of Maestro BAL and eave vents required see Page 7 of this manual or visit bradfordventilation com au Installing an eave vent Mark a 185mm x 385mm rectangle on the eave lining Drill holes to mark out the rectangle Use a hacksaw to cut out the rectangle Attach th...

Page 17: ...ece of structure that does not place the it near direct sunlight or the airflow of the Maestro BAL STEP E Set the control mode by pressing the button on the side of the Smart Box Please note the default 30 fixed speed cannot be reactivated if changed Ensure the power supply is not in contact with damp or wet areas Smart Box Power Supply How the connectors clip together Connection Connection Maestr...

Page 18: ...he 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 STEP 2 Lift the dome to remove it and place on a safe surface to prevent scra...

Page 19: ...CLEAN WITH BRUSH STEP 4 Slide the ember screen off the housing and clean with a soft brush Be careful to not deform the mesh from overly vigorous cleaning STEP 3 Using a phillips 2 bit remove the 8 screws that are secur ing the ember screen to the housing ...

Page 20: ...IX SCREWS REFIX SCREWS STEP 6 Refix the ember screen to the mounting bracket with the screws removed in step 3 STEP 5 Slide the ember screen back onto its mounting brackets Align the holes in the ember screen frame with the holes on the support brackets ...

Page 21: ...IX SCREWS STEP 8 Refix the dome to the Maestro BAL housing with the 4 screws removed in step 1 Tighten until snug 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 ...

Page 22: ...luminium 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 Electronic Commutating EC Motor Input Voltage 24VDC Max Running Power Consumption 37W Other Inlet Throat Diameter Noise Level Flow Rate p 0 Power Consumption 300mm LO Default MED HI 35 45 53 dB A 220 377 596 m3 hr 4 8 11 2 30 8 W 40 350 6 ...

Page 23: ...s up to BAL 40 The Maestro BAL is not suitable or compliant for BAL FZ Q Can I duct the Maestro BAL A Yes with a suitable collar the Maestro BAL can be ducted Accessories for ducting Maestro BAL can be purchased from Bradford Call for further details Problem Possible Actions System not running The Smart Box may be in AUTO mode and may have determined that no ventilation is necessary Change to LO t...

Page 24: ..._ _ _ _ _ _ _ __ __ __ __ __ __ __ __ General Enquiries and Support PH Email 1300 760 233 sales csr com au Technical Ventilation Enquiries PH 1800 354 044 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: ...25 Notes ...

Page 26: ...26 Notes ...

Page 27: ...bradfordventilation com au ...

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