Big Ass Fans Isis Guide d'installation

Taper
Guide d'installation
Guide d’installation
Isis
®
INSTALLATION
GUIDE
For help, call 1-877-BIG-FANS
or visit www.bigassfans.com
Isis
®
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Installation Checklist
Did a structural engineer approve the mounting structure? See page 7 for Big Ass Fans-approved
mounting structures.
Will the fan be installed so that the airfoils are at least 10 ft (3.05 m) above the oor?
Will the fan be installed so that the airfoils have at least 2 ft (0.61 m) of clearance from
obstructions?
Will the fan be installed so that it is not subjected to high winds such as from a Heating,
Ventilating, and Air Conditioning (HVAC) system or near a large garage door?
Will the fan be mounted where it will not come into direct contact with water? The fan should not
be mounted where it will come into direct contact with water unless it is labeled, “Suitable for use in wet
locations.”
Will the distance between multiple fans be at least 2.5x the fans’ diameter when measured from
the centers of the fans?
If you ordered multiple fans, did you keep the parts of each fan together?
What type of circuit does your building structure have, 3-wire or 2-wire? Isis
®
is shipped with a
controller that is compatible with 3-wire circuits. If your building structure includes a 2-wire circuit, the
Limited Access Controller and Remote must be installed with the fan. If you require the Limited Access
Controller and did not note it at the time of order, contact Customer Service.
i
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®
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Installation Guide:
Rev. I
04/16/2020
Installation Guide
Isis
®
Conforms to UL 507: Electric Fans
Certied to CSA C22.2 No. 113: Fans & Ventilators
Conforms to UL 507: Electric Fans
Certied to CSA C22.2 No. 113: Fans & Ventilators
All trademarks used herein are the properties of their respective owners. No part of this document may be reproduced or translated into a dierent language without the prior written consent of Big Ass
Fans. The information contained in this document is subject to change without notice. For the most up-to-date information, see the online installation guide at www.bigassfans.com.
www.bigassfans.com/patents ▪ www.bigassfans.com/product-warranties
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®
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ii
IMPORTANT SAFETY INSTRUCTIONS
READ AND SAVE THESE INSTRUCTIONS
TO REDUCE THE RISK OF FIRE, ELECTRIC SHOCK, OR INJURY TO PERSONS, OBSERVE THE FOLLOWING:
CAUTION: Installation work and electrical wiring must be done by qualied person(s) in accordance with all applicable codes
and standards.
CAUTION: When cutting or drilling into wall or ceiling, do not damage electrical wiring and other hidden utilities.
CAUTION: Use this unit only in the manner intended by the manufacturer. If you have questions, contact the manufacturer.
WARNING: Before servicing or cleaning unit, switch power o at service panel and lock the service disconnecting means to
prevent power from being switched on accidentally. When the service disconnecting means cannot be locked, securely fasten a
prominent warning device, such as a tag, to the service panel.
CAUTION: The installation of a Big Ass Fan must be in accordance with the requirements specied in this installation manual
and with any additional requirements set forth by the National Electric Code (NEC), ANSI/NFPA 70-2011, and all local codes. Code
compliance is ultimately YOUR responsibility!
CAUTION: Exercise caution and common sense when powering the fan. Do not connect the fan to a damaged or hazardous
power source. Do not attempt to resolve electrical malfunctions or failures on your own. Contact Big Ass Fans if you have any
questions regarding the electrical installation of this fan.
WARNING: To reduce the risk of re, electric shock, and injury to persons, Big Ass Fans must be installed with Big Ass
Fan supplied controllers that are marked (on their cartons) to indicate the suitability with this model. Other parts cannot be
substituted.
CAUTION: When service or replacement of a component in the fan requires the removal or disconnection of a safety device, the
safety device is to be reinstalled or remounted as previously installed.
WARNING: Risk of re, electric shock, or injury to persons during cleaning and user-maintenance! Disconnect the fan from the
power supply before servicing.
CAUTION: Do not bend the airfoils when installing, adjusting, or cleaning the fan. Do not insert foreign objects in between
rotating airfoils.
WARNING: Stay alert, watch what you are doing, and use common sense when installing fans. Do not install fans if tired or under
the inuence of drugs, alcohol, or medication. A moment of inattention while installing fans may result in serious personal injury.
CAUTION: The installation of this fan requires the use of some power tools. Follow the safety procedures found in the owners
manual for each of these tools and do not use them for purposes other than those intended by the manufacturer.
CAUTION: The Big Ass Fans product warranty will not cover equipment damage or failure that is caused by improper installation.
CAUTION: Do NOT install the fan where it may come into direct contact with water unless the fan is labeled, “Suitable for use in
wet locations.”
WARNING: This appliance is not intended for use by persons (including children) with reduced physical, sensory or mental
capabilities, or lack of experience and knowledge, unless they have been given supervision or instruction concerning use of
the appliance by a responsible person. Children should be supervised to ensure that they do not play with the appliance.
ATTENTION: If installing the fan in the United States, the fan must be installed per the following National Fire Protection
Association (NFPA) guidelines:
• The fan must be centered approximately between four adjacent sprinklers.
• The vertical distance from the fan to the sprinkler deector must be at least 3 ft (91.4 cm).
• The fan must be interlocked to shut down immediately upon receiving a waterow signal from the alarm system.
Leave this installation guide with the owner of the fan after installation is complete.
Reference Guide
The following is intended as a reference guide. See the referenced pages for complete fan installation and operating instructions.
Mounting the fan
If mounting to bar joists, see Mounting Structure:
Bar Joists on page 9.
If mounting to a wood frame structure, see
Mounting Structure: Wood Frame on page 14.
If mounting to a solid beam, see Mounting
Structure: Solid Beam on page 18.
For alternative mounting methods, see page 4.
Airfoil installation
See Installing Airfoils on page 25.
Winglet installation
See Installing Airfoils on page 25.
Wiring the controller and fan
See Electrical Installation on page 27.
Mounting the controller
See Mounting the Wall Controller on page 30.
Operating the fan
See Fan Operation on page 31.
Hanging the fan
See Hanging the Fan on page 20.
Isis
®
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*Winglets are standard. Airfoil tips are
available as an option.
Reference Guide: Mounting
The following is intended as a reference guide for Isis
®
fan mounting methods. See the referenced pages for complete fan installation and operating instructions. Consult a structural
engineer to determine which mounting method best suits your building structure.
I-Beam Z-Purlins Solid Beam
See complete instructions
included with the Z-Purlin
Installation Kit.
See page 18 for mounting
instructions.
See complete instructions
included with the I-Beam
Adapter Installation Kit.
Bar Joists
See page 9 for mounting
instructions.
Isis
®
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Wood Frame Structures
See page 14 for mounting
instructions.
Isis
®
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Contents
General Information
Important Safety Information ii
Reference Guide iii
Reference Guide (Mounting) iv
Introduction
About this Fan 1
Pre-Installation
What’s in the Box 2
Parts Included 3
Alternative Mounting Methods 4
Tools Needed 5
Fan Diagram 6
Preparing the Work Site 7
Mounting Structure:
Bar Joists
1. Select Proper Angle Irons 9
2. Pre-drill Angle Irons 10
3. Secure Angle Irons (span is longer than 8 ft) 10
4a. Fasten Single Angle Irons to Roof Structure Mounting Points 11
4b. Fasten Double Angle Irons to Roof Structure Mounting Points 12
5. Attach Upper Mount (to Angle Irons) 13
Mounting Structure:
Wood Frame
1. Identify Mounting Location 14
2a. Fasten Brackets (to Vaulted Ceiling Beams) 14
2b. Fasten Brackets (to Floor Joists) 15
2c. Fasten Brackets (to Ceiling Joists) 15
3. Attach Upper Mount (to Wood Framing Channels) 16
4. Fasten Wood Framing Channels (to Brackets) 17
Mounting Structure:
Solid Beam
1. Pre-drill Suitable Mounting Structure 18
2. Determine Bracket Orientation 18
3a. Attach L-Brackets (to Mounting Structure) 19
3b. Attach L-Brackets (to Mounting Structure with Safety Clips) 19
4. Attach Upper Mount (to L-Brackets) 19
Hanging the Fan
1. Attach Extension Tube (to Upper Mount) 20
2a. Secure Safety Cable (to Angle Irons) 20
2b. Secure Safety Cable (to Wood Frame) 20
2c. Secure Safety Cable (to Solid Beam) 21
2d. Secure Safety Cable (to Solid Beam with Safety Clips) 21
3. Attach Main Fan Unit (to Extension Tube) 21
Installing Guy Wires
1. Attach Guy Wire Clamps 22
2. Attach Locking Carabiners to Guy Wire Clamps 23
3a. Attach Beam Clamp (Bar Joist Mounting) 23
3b. Attach Eyebolt (Wood Frame Mounting) 23
4. Route Guy Wire through Gripple
®
24
5. Install Three Remaining Guy Wires 24
Installing Airfoils
1. Attach Winglets or Airfoil Tips (to Airfoils) 25
2. Position Airfoils 25
3. Attach Airfoils (to Main Fan Unit) 26
Electrical Installation
Electrical Installation Safety 27
Power Requirements 27
Wire Color Chart 27
Wiring: Single Fan Application 28
Wiring: Multi-Fan Application 29
Mounting the Wall Controller 30
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®
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Contents
Fan Operation
Fan Operation 31
Changing the Fan Direction 32
Alternative Wiring
Methods
Limited Access Application 33
Limited Access Fan Controller and Controller Remote Operation 34
3-Way Single Fan Application 35
Preventive Maintenance
Annual Preventive Maintenance 36
General Preventive Maintenance 36
Annual Maintenance
Checklist
Annual Maintenance Checklist 37
Troubleshooting
General Troubleshooting 39
Electrical Troubleshooting 39
Replacing Fuses 40
Contact Us
Contact Us 41
1
Isis
®
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Introduction
About this fan
110–125 VAC Isis (indoor)
Fan diameter Input power
Minimum required
supply circuit size
Full load
amps
Max
RPM
Airfoil length
8 ft (2.44 m) 110–125 VAC, 60 Hz 10 A 3.9 120 40” (101 cm)
10 ft (3.04 m) 110–125 VAC, 60 Hz 10 A 3.9 80 52” (132 cm)
12 ft (3.70 m) 110–125 VAC, 60 Hz 10 A 3.9 55 64” (162 cm)
Fan diameter Input power
Minimum required
supply circuit size
Full load
amps
Max
RPM
Airfoil length
8 ft (2.44 m) 110–125 VAC, 60 Hz 10 A 1.4 80 40” (101 cm)
10 ft (3.04 m) 110–125 VAC, 60 Hz 10 A 1.2 53 52” (132 cm)
110–125 VAC Isis (outdoor)
Isis
®
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2
What’s in the box
A wall controller is provided only with fans sold in the United States, Canada, and Saudi Arabia. Customers outside of
these countries must supply a lighting dimmer rated for incandescent loads only.
CAUTION: Do not remove the motor from its protective packaging prior to hanging it!
CAUTION: If you ordered multiple fans, be sure to keep the components of each fan together.
The fan is shipped in three labeled boxes. The large, square box contains the main fan unit, upper mount, wall controller, wallplate,
airfoil retainers, winglets or airfoil tips, hardware, and re relay. The re relay and its Installation Guide (not shown below) are packaged
in a small box within the main box. A smaller box contains the airfoils. Another small box contains the extension tube and safety
cable. Optional parts are shipped in separate boxes that are labeled to identify the contents. If you are missing any piece required for
installation, contact Big Ass Fans.
Note: Dashed lines indicate internal boxes or bags within the main box. Drawings below are not to scale. All boxes are labeled to
identify the contents.
Main Box
1
Mounting
Hardware
Upper Mount
Main Fan Unit
Wall Controller
2
Extension
Tube Box
Extension Tube &
Safety Cable
6
Airfoil Box
(8) Airfoil
1. Guy wires (if ordered) are marked and packaged separately within the main box. Brackets for guy wires are included for tubes longer than 4 ft.
2. Provided only with fans sold in the United States, Canada, and Saudi Arabia. If installing the fan on a typical lighting circuit with one basic light switch, the Limited Access
Controller must be installed.
3. Safety clips and carabiners are only used when the top of the mounting structure is inaccessible.
4. Winglets are standard on Isis
®
fans; however, airfoil tips are available as an option. Winglets or airfoil tips are installed on the airfoils during airfoil installation.
5. Optional. The Wood Frame Mounting kit is included only if ordered.
6. 1-ft extension tubes are labeled and packaged in the main box.
(8) Winglet
4
Airfoil & Winglet
Hardware
(8) Airfoil
Retainer
(2) Safety Clip &
Carabiner
3
(8) Square
Washer
Pre-Installation
Wood Frame Mounting
Brackets & Channels
Wood Frame Mounting Box
5
(8) Airfoil Tip (optional)
4
OR
3
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®
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Parts included
A wall controller is provided only with fans sold in the United States, Canada, and Saudi Arabia. Customers outside of
these countries must supply a lighting dimmer rated for incandescent loads only.
Mounting methods vary by mounting structure. See the appropriate Mounting Structure section for specialized installation instructions. A
re relay is also included with the fan (not shown below). Note: Drawings below are not to scale.
Hardware
Mounting Hardware
(4) M10 x 40 mm Hex Head Cap Screw
(8) M10 Flat Washer
(4) M10 Nylock Nut
Extension Tube Hardware
(2) M10 x 90 mm Socket Head
Cap Screw
(4) M10 Flat Washer
(2) M10 Nylock Nut
Main Fan Unit Hardware
(1) M10 x 90 mm Socket Head Cap Screw
(1) 3/8” x 3/4” OD x 1/2” Spacer
(2) M10 Flat Washer
(1) M10 Nylock Nut
Wood Frame Mounting Hardware
(10) 5/16”-18 x 2-1/2” Bolt
(20) 5/16” Flat Washer
(10) 5/16”-18 Nylock Nut
(4) 3/8”-16 Spring Nut
(4) 3/8” Flat Washer
(4) 3/8-16 x 7/8” Bolt
Airfoil Hardware
(16) M8 x 18 mm Socket
Head Cap Screw
(16) 8 mm Belleville Washer
Winglet Hardware
(8) M5 x 12 mm
Button Head Screw
Wall Controller
Wall Controller
3
1. The safety cable is attached to the extension tube with a 3/8” bolt and nut.
2. Optional. L-Brackets or the Wood Frame Mounting kit are included only if ordered. Note: L-Bracket hardware is customer-supplied. Big Ass Fans recommends using 1/2”-
13 or M12 Grade 8 hardware.
3. Provided only with fans sold in the United States, Canada, and Saudi Arabia. If installing the fan on a typical lighting circuit with one basic light switch, the Limited Access
Controller must be installed.
4. Airfoils can be purchased with winglets (standard) or airfoil tips (optional). Winglets or airfoil tips are installed on the airfoils during airfoil installation.
Airfoils
(8) Airfoil (8) Winglet
4
(8) Airfoil Tip
4
(8) Airfoil
Retainer
Pre-Installation (cont.)
Mounting
Extension Tube
1
Upper Mount
L-Bracket Mounting Kit
2
(2) L-Bracket
(2) Safety Clip
Wood Frame Mounting Kit
2
(2) Wood Framing Channels
(2) Wood Frame Mounting Brackets
Main Fan Unit
OR
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®
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4
Alternative mounting methods
The following can be purchased for unique residential mounting methods not covered in this manual. Consult a structural engineer prior
to fan installation. For more information, contact your Big Ass Fans Sales Representative or Customer Service.
The I-beam adapter can be purchased for hanging the Isis from I-beams. Big Ass Fans oers both a small and large adapter depending on
the width of the I-beam. The I-Beam Adapter can only be used on I-beams that are 5” (12.7 cm) to 9-7/8” (25 cm) (small adapter) or 9-7/8”
(25 cm) to 14-5/8” (37 cm) (large adapter) in width. It is not recommended to mount the fan from fabricated I-beams. Consult a structural
engineer to ensure your building structure meets the necessary requirements.
I-Beam Adapter
Z-Purlin Brackets
Specialized brackets can be purchased for hanging the Isis from building structures consisting of Z-purlins with lengths ≤30 ft and heights
ranging from 8” (20.3 cm) to 10” (25.4 cm), and spaced ≤5 ft apart. The Z-purlin brackets accommodate up to a 5:12 roof pitch. Consult a
structural engineer to ensure your building structure meets the necessary requirements. Note: Angle irons are not supplied.
Pre-Installation (cont.)
5
Isis
®
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Tools needed
Big Ass Fans recommends gathering the following tools prior to beginning installation.
Mechanical installation
Standard and metric wrench sets
Standard and metric socket and ratchet sets
Torque wrench capable of 29 ft·lb (39.3 N·m)
Phillips and at head screwdrivers
Standard and metric Allen wrench sets
Metric Allen head sockets
Drill
Hacksaw
Level
Tape measure
Electrical installation
Phillips and at head screwdrivers
#10 to #14 AWG strippers
Medium size channel locks
Multimeter
Pre-Installation (cont.)
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®
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6
Fan diagram
Refer to the diagram below to identify the fan components. Note: Fan setup may dier from the illustration depending on the required
mounting method. The safety cable is not pictured below; however, it is an important part of the installation.
A. Upper mount. Secures the fan to the mounting structure.
B. Extension tube. Extends the fan from the ceiling and provides a path for wiring.
C. Main fan unit. Includes motor, hub, lower mount, and power wire.
D. Airfoil. Provides air movement. The unique, patented design provides ecient and eective air movement.
E. Winglet. Improves the eciency of the fan. Winglets are standard on Isis
®
fans; however, airfoil tips are available as an option.
Pre-Installation (cont.)
7
Isis
®
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Preparing the work site
When surveying the work site, keep the following mechanical and electrical guidelines in mind.
Mechanical
A suitable means for lifting the weight of the fan, such as a scissor lift, and at least two installation personnel will be required.
If hanging the fan from angle irons, the minimum dimensions of the angle iron must be 2-1/2’’×2-1/2’’×1/4’’
(6.4 cm × 6.4 cm × 0.6 cm) and it cannot be longer than 12 ft (3.6 m). It must be secured to the structure. Do not mount the fan to a
single purlin, truss, or bar joist. Consult a structural engineer for installation methods not covered in this manual.
To reduce the risk of injury to persons, install the fan so that the airfoils are at least 10 ft (3.05 m) above the oor.
If mounting the fan in the vicinity of an infrared/radiant heater, it is recommended that the fan be mounted outside of the clearances
recommended by the manufacturer of the heater and at a height equal to or above the shielding on the heating element with the
controller on the opposite side of the heater. If mounting the fan below the heater shielding, all fan elements must be outside of the
clearances recommended by the heater manufacturer. The installation manual for the specic model of heater will typically provide
the minimum clearance to combustibles (MCC).
Ensure the mounting location will not expose the fan to direct contact with water unless the fan is labeled, “Suitable for use in wet
locations.”
Adhere to the safety requirements in the table below when selecting where to mount the fan.
Safety requirement Minimum distances
Clearance
≥2 ft from all fan parts and ≥3 ft below sprinklers. The fan installation area must also be free of
obstructions such as lights, cables, or other building structure.
Blade height ≥10 ft above the floor
HVAC equipment
Above or below diffuser: ≥ 1x fan’s diameter.
Same level as diffuser: Contact Customer Service for assistance. Refer to the illustration below.
Fan spacing 2.5x fan diameter, center-to-center
Radiant/IR heaters See the manufacturer’s requirements for the minimum clearance to combustibles.
Electrical
Identify the existing wiring to determine which wiring application is needed to install the fan.
A wall controller is provided only with fans sold in the United States, Canada, and Saudi Arabia. Customers outside of these
countries must supply a lighting dimmer rated for incandescent loads only.
If installing the fan on a typical lighting circuit with one basic light switch in which the critical red conductor or “traveler” is absent, you
will need to purchase the Limited Access Controller. Please discuss this option with your Big Ass Fans representative.
Pre-Installation (cont.)
The fan should only be installed according to the instructions described in this manual. Consult a structural
engineer for installation methods not covered in this manual. For optional mounting methods, refer to the installation
instructions included with the fan parts.
Above or Below HVAC Diuser
HVAC Diuser
≥ 1x Fan’s Diameter
Same Level as HVAC Diuser
HVAC Diuser
Contact Customer Service for assistance.
Notes
9
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®
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1. Select proper angle irons
Follow the table below when selecting angle irons for fan installation. Note: Angle irons and angle iron hardware are not included with
the fan.
Angle iron span
(between mounting points)
Minimum angle iron dimensions
(W x H x T)
Number of angle
irons needed
6 ft (1.8 m) or less 2.5” (6.4 cm) x 2.5” (6.4 cm) x 0.25” (0.6 cm) 2
over 6 ft (1.8 m) to 8 ft (2.4 m) 3” (7.6 cm) x 3” (7.6 cm) x 0.25” (0.6 cm) 2
over 8 ft (2.4 m) to 12 ft (3.7 m) 3” (7.6 cm) x 3” (7.6 cm) x 0.25” (0.6 cm) 4*
*Two pairs of angle irons. Pairs should be placed back to back and fastened in center (see step 3).
Mounting Structure: Bar Joists
WARNING: The fan can weigh up to 120 lbs (54.4 kg). The fan should not be installed unless the structure on which the fan
is to be mounted is of sound construction, undamaged, and capable of supporting the loads of the fan and its method of
attachment. A structural engineer should verify that the mounting structure is adequate prior to fan installation. Verifying
the stability of the mounting structure is the sole responsibility of the customer and/or end user, and Big Ass Fans hereby
expressly disclaims any liability arising therefrom, or arising from the use of any materials or hardware other than those
supplied by Big Ass Fans or otherwise specied in these installation instructions.
CAUTION: Do not install the fan from a single purlin or truss or junction box.
CAUTION: Unsupported angle iron spans should not exceed 12 ft (3.7 m).
6’ (1.8m) or less
over 6’ (1.8m) – 8’ (2.4 m)
over 8’ (2.4 m) – 12’ (3.7 m)
Angle Iron Side View
(see table for dimensions)
Width
Height
Thickness
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®
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10
Mounting Structure: Bar Joists (cont.)
3. Secure angle irons (if span is longer than 8 ft)
If the angle iron span is longer than 8 ft (2.4 m), it is necessary to
use double angle irons.
Locate the center of the angle iron length. Drill Ø 9/16” (1.4 cm) hole
through the center of the vertical wall of the angle iron. Drill a total of
four angle irons.
Place two drilled angle irons back to back. Fasten the angle irons
together with customer-supplied Grade 8 hardware.
Align the angle irons to each other and tighten the bolts to 25 ft·lb
(33.9 N·m) using a 3/4” socket with torque wrench.
Repeat step for remaining two angle irons.
Proceed to step 4b.
Angle Iron Hardware (Customer-Supplied):
a. (2) 1/2-13 or M12 Bolt
b. (4) 1/2” or M12 Washer
c. (2) 1/2” or M12 Nut
a
b
b
c
2. Pre-drill angle irons
Drill two Ø 7/16” (1.1 cm) holes exactly 5-1/2” (14 cm) apart in the centers of two angle irons.
Measure the distance between the mounting points of the roof structure that the angle irons will span. Measure the same distance on
the angle irons, and drill Ø 9/16” (1.4 cm) holes through each end of the angle irons. Drill holes in two angle irons if span is 8 ft (2.4 m)
or less. Drill holes in four angle irons if span is greater than 8 ft (2.4 m).
Side View
Distance between roof structure mounting points
A
1/2 A
Ø 9/16’’ (1.4 cm) Ø 7/16’’ (1.1 cm)
5-1/2’’ (14 cm)
If the angle iron span is 8 ft (2.4 m) or less, proceed to
step 4a on the following page.
11
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®
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4a. Fasten single angle irons to roof structure mounting points
CAUTION: The angle irons must be fastened to the roof structure at each end.
Fasten the angle irons to the roof structure mounting points at each end with customer-supplied Grade 8 hardware as shown. Do not
tighten the hardware until the fan has been mounted to the angle irons. Note: Big Ass Fans recommends orienting the angle irons
so that the horizontal legs are facing each other. Refer to the illustration below.
Proceed to step 5.
Angle Iron Hardware (Customer-Supplied):
a. (4) 1/2-13 or M12 Bolt
b. (8) 1/2” or M12 Washer
c. (4) 1/2” or M12 Nut
b
a
d
b
c
Mounting Structure: Bar Joists (cont.)
Angle Iron Hardware (BAF-Supplied):
d. (8) 3” Square Washer (see diagram)
Square Washer
Thickness:
1/4” (6 mm)
3”
(7.6 cm)
3”
(7.6 cm)
Ø 9/16”
(1.4 cm)
If installation requires double angle irons, i.e., span is greater than 8 ft (2.4 m), proceed to step 4b.
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®
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12
4b. Fasten double angle irons to roof structure mounting points
CAUTION: The angle irons must be fastened to the roof structure at each end.
Fasten the angle irons to the roof structure mounting points at each end with customer-supplied Grade 8 hardware as shown. Do not
tighten the hardware until the fan has been mounted to the angle irons.
Proceed to step 5.
Angle Iron Hardware (Customer-Supplied):
a. (8) 1/2-13 or M12 Bolt
b. (16) 1/2” or M12 Washer
c. (8) 1/2” or M12 Nut
A
b
a
d
b
c
Mounting Structure: Bar Joists (cont.)
Angle Iron Hardware (BAF-Supplied):
d. (8) 3” Square Washer (see diagram)
Square Washer
Thickness:
1/4” (6 mm)
3”
(7.6 cm)
3”
(7.6 cm)
Ø 9/16”
(1.4 cm)
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Big Ass Fans Isis Guide d'installation

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Guide d'installation

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