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Installation and Operation Manual
2GMS
Guard Mount Exhaust Fans
Item #: 481799
Rev Date: 2016-05-03
Techical / Customer Support:
United States Tel.: 800.747.1762 Canada Tel.: 800.565.3548
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2
Unpacking
1. When receiving the unit, inspect carefully for any damage
that may have occurred during transit.
2. Before installing, rotate the propeller to be sure there are no
obstructions which would interfere with proper operation. Adjust as
required.
Warnings
1. Do not depend on any switch as sole means of disconnecting power
when installing or servicing the fan. If the power disconnect is out-ofsight, lock it in the open position and tag to prevent application of
power. Failure to do so may result in fatal electrical shock.
2. Check the voltage on the fan faceplate to verify it corresponds to the
motor name plate rating.
3. Follow all local electrical and safety codes in the United States and
Canada, as well as the National Electrical Code (NEC) and the
Occupational Safety and Health Act (OSHA) in the United States, and
the Canadian Electric Code (CEC) in Canada.
4. DO NOT USE in explosive atmospheres.
5. Motor will restart without warning after protector trips.
6. Motor must be securely and adequately grounded. This can be
accomplished by wiring with grounded, metal-clad raceway system, by
using a separate ground wire connected to the bare metal of the
motor frame, or other suitable means.
7. Always disconnect power source before working on or near a motor
or its connected load. If the power disconnect point is out of sight,
lock it in the open position and tag to prevent unexpected application
of power.
Wiring
Single Speed
Common Line 1
Line 2
8. Be careful when touching the exterior of an operating motor - it may
be hot enough to be painful or cause injury. With modern motors this
condition is normal if operated at rated load and voltage. Modern
motors are built to operate at higher temperatures.
9. Protect the power cable from coming in contact with sharp objects.
10. Do not kink power cable and never allow the cable to come in
contact with oil, grease, hot surfaces, or chemicals.
11. Make certain that the power source conforms to the requirements
of your equipment.
12. To reduce the risk of fire or electric shock, do not use this fan with
any solid state speed control device.
13. In USA to reduce the risk of injury to persons, OSHA complying
guards are required when fan is installed within 8 feet of floor,
ground, or working level.
14. In Canada to reduce the risk of injury to persons, CSA complying
guards are required when fan is installed below 2.5 meters (8.2
feet) above floor or grade level.
Maintenance
Installation
1. Mount unit to a wooden frame or plywood panel. Opening for air flow
should be 1/2” to 1” larger in diameter than the propeller. Use wood
screws, sheet metal screws, or bolts and nuts for mounting.
2. Install any auxiliary equipment such as shutter, louver, motor starter,
etc.
3. Connect power to the unit in accordance with the local and national
electrical codes.
The fan frame and motor must be connected to a suitable
electrical ground such as a grounded water pipe, properly
grounded metallic raceway or ground wire system.
4. Unit is ready for operation.
Before activating the fan, double check to ensure that there
are no obstructions (framing, studs, shutters, etc.) which
would interfere with fan propeller.
fantech
Do not depend on any switch as sole means of disconnecting
power when installing or servicing the fan. If the power
disconnect is out-of-sight, lock it in the open position and tag
to prevent application of power. Failure to do so may result in
fatal electrical shock.
REMEMBER: All electrical connections should be made by a qualified
electrician.
Minor and Routine
1. Disconnect power source before servicing.
2. Lubricate shaded pole motors every six months using S.A.E. 20 nondetergent oil.
3. Relubricate split phase motors every 12 months using SAE 20 nondetergent oil for continuous duty or every 24 months for intermittent
duty.
4. Periodically clean the propeller, guards, and motor of any excessive
accumulation of dirt.
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Dimensions
A Sq.
D
3
C
B
Repair Part List
PART REPLACEMENT
1. Do not repair damaged
propeller. They should
be replaced with a
properly balanced
replacement.
2. Remove the four
screws holding the
guard to the venturi
panel. Remove the
guard, yoke, motor,
and propeller.
3. Loosen and remove bolt
and nut holding wire
brace to motor yoke
tabs.
A Sq.
D
3
4. Loosen the setscrews in blade hub and
remove the propeller.
5. Loosen the nuts holding motor on
guard and remove.
Model Propeller Dia A B C D
2GMS 1021 10 8 3/
2GMS 1221 12 10 3/
2GMS 1661 16 12 15/
2GMS 20B1 20 16 3/
4
16
16
4
11 5 9/
13 5 15/
17 3/
22 1/
6 1/
8
11 15/
8
16
16
2
All dimensions in inches
4
5
6
2
6. Reassemble the unit in reverse order
of disassembly.
1
/
4
1
/
4
1
/
4
5
/
16
16
8
7
1
Ref. # Description Qty Ref. # Description Qty
1 Motor 1 5 Yoke brace (2GMS20B1 only) 1
2 Guard 1 6 3/8-24 X 1” Screw* 1
3 Propeller 1 7 3/8-24 Locknut* 1
4 #8-32 Spinlock nut* 4 8 #10 Flatwasher* 4
(*) Standard hardware items, available locally.
Troubleshooting
Symptom Possible Cause(s) Corrective Action
Insufcient air ow 1. Restricted air intake 1. Provide larger opening for intake air
Excessive noise while operating 1. Loose mounting screws 1. Tighten securely
2. Restricted exhaust opening 2. Remove restriction
3. Low voltage 3. Determine cause and correct
4. Excessive dirt on guard and propeller 4. Clean
2. Loose propeller on motor shaft 2. Tighten setscrew
3. Noisy motor bearing 3. Lubricate or replace motor
4. Unbalanced fan blade 4. Replace
fantech
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Warranty
Fantech, Inc. warrants to the original purchaser that our products will
be free from defects in material and workmanship for a period of five (5)
years from the date of shipment. THIS IS OUR SOLE AND EXCLUSlVE
PRODUCT WARRANTY AND IS IN LIEU OF AND EXCLUDES ALL OTHER
WARRANTIES, EXPRESS OR IMPLIED, ARISING BY OPERATION OF
LAW OR OTHERWISE, INCLUDING WITHOUT LIMITATION,
MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
WHETHER OR NOT THE PURPOSE OR USE HAS BEEN DISCLOSED TO
US IN SPECIFICATIONS, DRAWINGS DR OTHERWISE, AND WHETHER
OR NOT OUR PRODUCTS ARE SPECIFICALLY DESIGNED AND/OR
MANUFACTURED BY US FOR PURCHASER’S USE OR PURPOSE.
This warranty does not cover any losses or damages due to misuse,
accident, abuse, neglect, normal wear and tear, negligence [other than
ours), unauthorized alteration, use beyond rated capacity, or improper
installation, maintenance or application. This warranty shall be null and
void to the extent that purchaser supplied incorrect information to us
about the necessary product specifications or the environment in which
the products were to be used, and our selection or design of the
products for the purchaser was based in part on such information.
Limitation of Warranty and Liability
THE SOLE AND EXCLUSIVE REMEDY FOR BREACH OF ANY WARRANTY
HEREUNDER SHALL BE LIMITED TO REPAIR, CORRECTION OR
REPLACEMENT, OR REFUND OF THE PURCHASE PRICE UNDER THE
PRECEDING PARAGRAPH ENTITLED “LIMITED WARRANTY”. FANTECH
VENTILATION PRODUCTS SHALL NOT BE LIABLE FOR DAMAGES
CAUSED BY DELAY IN PERFORMANCE AND IN NO EVENT,
REGARDLESS OF THE FORM OF THE CLAIM OR CAUSE OF ACTION,
SHALL OUR LIABILITY TO PURCHASER AND/OR ITS CUSTOMERS
EXCEED THE PRICE PAID BY PURCHASER FOR THE SPECIFIC PRODUCT
PROVIDED BY US THAT GAUE RISE TO THE CLAIM OR CAUSE OF
If within thirty (30) days after purchaser’s discovery of any warranty
defects within the warranty period, purchaser notifies us thereof in
writing, we shall, at our option, repair, correct or replace F.O.B. point of
manufacture, or refund the purchase price for, the products that we
have found to be defective. Failure by purchaser to give such written
notice within the 30-day time period shall be deemed an absolute and
unconditional waiver of purchaser’s claim for such defects. Products
repaired or replaced shall be covered by this warranty for the remainder
of the original warranty period or ninety (90) days from the date of
shipment, whichever is longer.
Warranty claims should be sent to Fantech, Inc.,
Attn: Quality Department, 10048 Industrial Blvd., Lenexa, KS 66215.
Included in the claim should be Order Number, Model Numbers, Serial
Numbers and a detailed description of the issues.
Purchaser assumes all other responsibility for any loss, damage or injury
to persons or property arising out of the use of our products, either
alone or in combination with other products or components.
ACTION. PURCHASER AGREES THAT IN NO EVENT SHALL OUR
LIABILITY TO PURCHASER AND/OR ITS CUSTOMERS EXTEND TO
INCLUDE INCIDENTAL, CONSEQUENTIAL OR PUNITIVE DAMAGES. The
term “consequential damages” shall include, but not be limited to,
loss of anticipated profits, business interruption, loss of use or revenue,
cost of capital, or loss or damage to property or equipment.
It is expressly understood that any technical advice furnished by us with
respect to the use of our products is given without charge, and we
assume no obligation or liability for the advice given, or results obtained,
all such advice being given and accepted.
Warning
Fantech products are designed and manufactured to provide reliable
performance, but they are not guaranteed to be 100% free from
defects. Even reliable products will experience occasional failures and
this possibility should be recognized by the user. If these products are
For Customer/Technical Support call (800) 747-1762
used in a life support ventilation system where failure could result in loss
or injury, the user should provide adequate backup ventilation,
supplementary natural ventilation, failure alarm system, or acknowledge
willingness to accept the risk of such loss or injury.
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