J&D MAnufacturing JD-VMSA72N User manual

Construct structurally sound 76½”
square finished opening.
Correct orientation of fan. From the
inlet side the motor will be located
in the bottom right corner.
76½”
76½”
FINISHED
OPENING
(Inside Dimensions)
IS183-12H J&D Manufacturing • 6200 Hwy 12 • Eau Claire, WI 54701 • 1-800-998-2398 • www.jdmfg.com Page 1 of 4
Please read over all instructions carefully before you begin.
If you have any questions please call your local dealer, or
contact J&D Manufacturing at 1-800-998-2398.
INSTALLATION
PARTS LEGEND
INCLUDED ASSEMBLY HARDWARE - TO SCALE
MEGA STORM
72” FIBERGLASS EXHAUST FAN
WARRANTY
J&D Manufacturing warrants all products are free from defects in materials and
workmanship under normal use for the period of one year from date of purchase.
Our warranty does not cover normal or regular wear and tear. J&D Manufacturing
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 or user manuals.
RECOMMENDED TOOLS FOR INSTALLATION AND ASSEMBLY
(NOT PROVIDED)
Measuring
Tape
Safety Glasses
1/2" Socket1/2"
S
ocke
t
Socket Wrench
Drill
and Drill Bits
3/16”
3/8”
Rivet Gun Phillips Head
Screwdriver
INSTALLATION HARDWARE IS NOT PROVIDED
Guard
(14) Aluminium Rivet
3/16” x 1/4"
(14) Backup Washer
3/16”ID x 1/2"OD
(14)
Shutter Clips
Shutter
(8) Phillips Truss Bolt
5/16”-18 x 1”
(8) Nylock Flange Nut
5/16”-18
Housing
View from inlet side of fan
Motor
72
FIBERGLASS
EXHAUST
FAN
W
A
R
R
A
N
T
Y

3
Using the measurements below and a 3/16” drill bit, drill a total of 14 holes
in the housing flange 1/2” from the flange edge.
16½”
33”
49½”
66”
16½”
33”
49½”
66”
20¾” 41½” 60¼”
20¾” 41½” 60¼”
IS183-12H J&D Manufacturing • 6200 Hwy 12 • Eau Claire, WI 54701 • 1-800-998-2398 • www.jdmfg.com Page 2 of 4
1
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.
Nut
Cone
Guard
Mounting
Foot
Bolt
Assembly Side View
{
1”
2
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.

IS183-12H J&D Manufacturing • 6200 Hwy 12 • Eau Claire, WI 54701 • 1-800-998-2398 • www.jdmfg.com Page 3 of 4
4a 4b
Attach all (14) shutter clips with a rivet gun using (14) 3/16” rivets and
(14) 3/16” backup washers. Review the illustrations below for placement
and assembly.
Fan
Flange
Shutter
Clip
Rivet
Backup Washer
Rivet
Backup Washer
Fan
Flange
Shutter
Clip
4
5
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).
Interior
of structure
Exterior
of structure
ALL ELECTRICAL WORK SHOULD BE
COMPLETED BY QUALIFIED PERSONNEL AND
MEET NATIONAL, REGIONAL AND LOCAL CODES
Airflow
Airflow
Airflow
Airflow
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
PROVIDING POWER TO FAN
• Wiring should only be performed by a trained electrician to prevent
injury or death.
• 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.
• Only permit power to unit when guard and motor’s cover
plate is properly installed to prevent injury.
6

IS183-12H J&D Manufacturing • 6200 Hwy 12 • Eau Claire, WI 54701 • 1-800-998-2398 • www.jdmfg.com Page 4 of 4
MAINTENANCE INSTRUCTIONS
• Disconnect power before cleaning or maintaining your fan in order
to prevent serious injury or death.
• Service and repair of fan should only be completed by a qualified
technician.
• For maximum efficiency and fan life, keep the following free from
dirt and dust: shutter louvres, blades, motor and guard.
• The totally enclosed air over motor has sealed ball bearings and
does not require additional lubrication.
• Housing drainage holes as shown below need to be kept free from
debris to allow water from cleaning or weather to drain.
drainage
holes
6200 Hwy 12 • Eau Claire, WI 54701 • 1-800-998-2398
Visit our website at www.jdmfg.com