J&D MAnufacturing MEGA STORM User manual
NOTE: Read ALL instructions over carefully before attempting
to install the Mega Storm.
If you have any questions please call your local dealer or
J&D Manufacturing at: 1-800-998-2398.
Or visit our website at: www.jdmfg.com
MEGA STORM
72” Fiberglass Exhaust Fan
PARTS LEGEND
WARRANTY
J&D Mfg. warrants all products are free from defects in materials and workmanship under
normal use for the period of one year from date of purchase and our warranty does not
cover normal or regular wear and tear. J&D Mfg can repair or replace at our option, any
product or part of the product that is found to be defective. Our warranty applies to
materials only and does not include return freight, delivery, loss or damage to personal
property, cost of removal or installation, any incidental or consequential damages or labor.
This warranty does not apply to products which are misused, abused, altered, improperly
installed or subject to negligence. All warranties must be approved through our warranty
department. The original purchaser must present a copy of the invoice for the defective
product. One year is our standard warranty unless specified on our literature or in the
installation instructions/user manuals.
INSTALLATION HARDWARE IS NOT PROVIDED
IS183-09H
Construct structurally sound 76½” square finished opening.
INCLUDED ASSEMBLY HARDWARE - TO SCALE
Guard Housing Shutter
(10) 3/16” x 1/4"
Aluminium Rivet
(10) 3/16”ID x 1/2"OD
Washer
NO
TE: Read ALL instructions over carefully before attem
p
to install the Me
g
a
S
torm.
72
Fiber
g
lass
Exhaust
Fan
(10) Shutter Clips
(8) Phillips Truss Bolt
5/16”-18 x 1”
(8) Nylock Flange Nut
5/16”-18
76 ½”
76 ½”
Correct orientation of fan. From the inlet side the motor will be located in
the bottom right corner.
Motor
View from inlet
side of fan
RECOMMENDED TOOLS FOR INSTALLATION AND ASSEMBLY
(NOT PROVIDED)
Measuring
Tape
Safety Glasses
1/2" Socket
1/2"
S
ocke
t
Socket Wrench
Drill
and Drill Bits
3/16”
3/8”
Rivet Gun
FINISHED
OPENING
(Inside Dimensions)
Phillips Head
Screwdriver
Mark all remaining guard footing locations 1” from venturi edge. Drill holes
using 3/8” bit and insert bolts and nuts exactly as you did in step #1. Once
all bolts and nuts are installed, go back and tighten each securely.
2
Using the measurements below and a 3/16” drill bit, drill a total of 10 holes
in the housing flange 1/2” from the flange edge.
3
Using a 3/8” drill bit, drill a hole in the top of the venturi 1” from the edge.
Place guard inside venturi opening and secure top of guard to top of venturi
by inserting a 5/16” Phillips Truss Bolt through guard mounting foot, then
through recently drilled hole in venturi. Secure with a 5/16” Nylock Nut. Do
the same for the bottom guard mounting foot. Do not tighten nuts and bolts
at this time.
1
17¼”
38”
17¼”
21¾” 21¾”
38”
18¼” 18¼”
18¼” 18¼”
Nut
Cone
Guard
Mounting
Foot
Bolt
Assembly Side View
{
1”
From the inside of your structure, rotate the fan housing until the motor is
located in the lower right corner. Insert fan housing into the finished
opening and secure to structure using suitable fasteners and washers (not
included).
5
Connecting power to the unit.
• Install manual disconnect switch inside
building adjacent to fan.
• Route wire to motor with drip loop and
secure. Drip loop will drain accumulated
moisture away from the motor.
• Configure internal wires to match supply
voltage and wire according to motor
nameplate. Test to verify correct rotation.
• Shut off manual disconnect for remainder
of install. Only permit power to unit when
shutter and guard is fully installed to
prevent injury.
6
Attach all (10) shutter clips with a rivet gun using (10) 3/16” rivets and (10)
3/16” washers. Review the illustrations below for placement and assembly.
Swivel top and side shutter clips open. Set bottom shutter flange between
housing flange and bottom shutter clips. Secure shutter by swiveling top
and side shutter clips over shutter flange.
7
4a
Fan
Flange
Shutter
Clip
Rivet
Washer 4b
Rivet
Washer
Fan
Flange
Shutter
Clip
4
Interior
of structure
Exterior
of structure
ALL ELECTRICAL WORK SHOULD BE
COMPLETED BY QUALIFIED PERSONNEL AND
MEET NATIONAL, REGIONAL AND LOCAL CODES
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