Greenheck Fan Ventilation Hood BDF User Manual

PN 458341  
Model BDF  
Belt Drive Duct Fan  
®
Installation, Operation and Maintenance Manual  
Please read and save these instructions for future reference. Read carefully before attempting  
to assemble, install, operate or maintain the product described. Protect yourself and others by  
observing all safety information. Failure to comply with instructions could result in personal injury  
and/or property damage!  
Model BDF  
Belt Drive Duct Fan  
Model BDF is a belt drive duct supply, exhaust or return air fan. These  
fans are specifically designed for inline applications. Performance  
capabilities range up to 15,000 cfm (25,500 m3/hr) and up to 3.0 in. wg  
(747 Pa) of static pressure. BDF fans are available in seven sizes with  
nominal wheel diameter ranging from 8 to 20 inches (203 to 508 mm)  
(080 - 200 unit sizes). Each fan shall bear a permanently affixed  
manufacture’s engraved metal nameplate containing the model  
number and individual serial number.  
General Safety Information  
1. Follow all local electrical and safety codes, as  
well as the National Electrical Code (NEC) and  
the National Fire Protection Agency (NFPA),  
where applicable. Follow the Canadian Electric  
Code (CEC) in Canada.  
2. The rotation of the wheel is critical. It must be  
free to rotate without striking or rubbing any  
stationary objects.  
Only qualified personnel should install this fan.  
Personnel should have a clear understanding of  
these instructions and should be aware of general  
safety precautions. Improper installation can result  
in electric shock, possible injury due to coming in  
contact with moving parts, as well as other potential  
hazards. Other considerations may be required if  
seismic activity is present. If more information is  
needed, contact a licensed professional engineer  
before moving forward.  
3. Motor must be securely and adequately  
grounded.  
4. Do not spin fan wheel faster than max cataloged  
fan RPM. Adjustments to fan speed significantly  
effects motor load. If the fan RPM is changed,  
the motor current should be checked to make  
sure it is not exceeding the motor nameplate  
amps.  
DANGER  
Always disconnect, lock and tag power source before  
installing or servicing. Failure to disconnect power  
source can result in fire, shock or serious injury.  
CAUTION  
5. Do not allow the power cable to kink or come  
in contact with oil, grease, hot surfaces  
or chemicals. Replace cord immediately if  
damaged.  
6. Verify that the power source is compatible with  
the equipment.  
When servicing the fan, motor may be hot enough  
to cause pain or injury. Allow motor to cool before  
servicing.  
CAUTION  
Precaution should be taken in explosive  
atmospheres.  
7. Never open access doors to a duct while the fan  
is running.  
Model BDF • Belt Drive Duct Fan  
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1
Chart 1: BDF Fan Dimensions  
Approximate  
Weight  
Unit  
Size  
Material  
A
B
C
D
E
F
G
H
I
J
K*  
Filter Thickness  
Box  
Fan  
231  
4
181  
2
157  
(403)  
8
15316 121116  
(386) (322)  
93  
(248)  
4
87  
8
1
53  
8
414  
4934  
71  
(32)  
32  
(15)  
80  
(591)  
241  
(616)  
261  
(470)  
211  
(540)  
223  
(578)  
271  
(692)  
325  
(829)  
413  
(225) (25) (137)  
101 63  
(267) (25) (171)  
117 73  
(302) (25) (187)  
133 77  
(340) (25) (200)  
163 112 97  
(416) (38) (251)  
(108) (1264)  
412 5478  
(114) (1394)  
412 5178  
(114) (1318)  
558 63916  
(143) (1614)  
634 62116  
4  
4  
183  
(476)  
4  
181 157  
(464) (403)  
193 177  
(502) (454)  
241 197  
(613) (505)  
285 237  
(727) (606)  
371 277  
(953)  
451  
4
8
121  
(311)  
4  
2
1
4  
92  
(42)  
42  
(19)  
90  
4  
4  
203  
(527)  
4  
4  
8  
133  
(349)  
4  
8  
1
8
107  
(49)  
52  
(24)  
100  
120  
150  
180  
200  
(667)  
33  
(838)  
4  
223  
(578)  
4  
8  
8  
16  
(406)  
8  
1
8  
144  
(65)  
70  
(32)  
20 gauge  
(.912 mm)  
343  
(883)  
4  
8
273  
(705)  
4  
8  
8  
191  
(486)  
8  
8
8  
223  
97  
(44)  
(171) (1576) (101)  
958 7538  
307  
(244) (1915) (139)  
8514  
565  
(330) (2165) (256)  
401  
4  
4  
313  
4  
2  
8  
221  
(572)  
2  
187  
(479) (38)  
8  
112 101  
2  
134  
(61)  
(1022) (1060) (806)  
(708)  
(
267  
)
501 491 393  
(1276) (1251) (1010) (1146) (914)  
4  
4  
4  
8
36  
231  
(587)  
8
251 112 121  
(614) (38) (318)  
4  
2  
13  
174  
(79)  
All dimensions in inches (millimeters) and weight is shown in pounds (kilograms). *May be greater depending on motor. **Weight shown  
is largest cataloged Open Drip Proof motor.  
Chart 2: Filter Option Dimensions  
D
A
BDF  
Size  
Filter  
Size  
Filter  
Quantity  
*K  
B
C
D
E
F
G
H
B
4934 1812 1578 15316 121116 934 878  
1
16 x 20  
80  
2
2
2
(1264) (470) (403) (386) (322) (248) (225) (25) (406 x 508)  
5478 2114 1834 1814 1578 1214 1012  
(1394) (540) (476) (464) (403) (311) (267) (25) (508 x 635)  
5178 2234 2034 1934 1778 1334 1178  
(1318) (578) (527) (502) (454) (349) (302) (25) (508 x 508)  
63916 2714 2234 2418 1978 16 1338 112  
(1614) (692) (578) (613) (505) (406) (340) (38) (533 x 635)  
62116 3258 2734 2858 2378 1918 1638  
(1576) (829) (705) (727) (604) (486) (416) (25) (406 x 508)  
7538 4134 3134 3712 2778 2212 1878 112  
(1915) (1060) (606) (953) (708) (572) (479) (38) (508 x 635)  
8514 4914 3934 4818 36 2318 2514 112  
(2165) (1251) (1010) (1222) (914) (587) (641) (38) (406 x 635)  
E
C
I
1
20 x 25  
20 x 20  
12 x 25  
16 x 20  
20 x 25  
16 x 25  
90  
1
100  
120  
150  
180  
200  
2
G
J
4
H
F
1
8
Figure 1:  
BDF Dimensions  
6
Chart 3: Vibration Isolator Dimensional Data  
12  
All dimensions in inches (mm). *K is length of fan and filter box combined.  
Unit Size  
80  
A
203  
(527)  
213  
(552)  
233  
(603)  
301  
(775)  
32  
(813)  
373  
C
221116  
(576)  
255  
(651)  
271  
(689)  
315  
(803)  
35  
M*  
26516  
4
(668)  
D
4  
8
301  
2
90  
(775)  
K*  
4  
8
252  
5
100  
120  
150  
180  
200  
(645)  
30716  
(773)  
2
8
E
271  
8
B
(889)  
44  
(1118)  
511  
(689)  
341516  
(887)  
36  
2
8
C
I
(949)  
473  
(1203)  
8
2
H
(1308)  
(914)  
All dimensions in inches (mm). M* applies to optional filter box only.  
G
M*  
F
A
C
Figure 2:  
BDF Filter Dimensions  
J
Filter  
Box  
l
BDF  
Unit  
Access  
Pane  
Access  
Panel  
M*  
A
Figure 3:  
Vibration Isolator Dimensions  
C
Model BDF • Belt Drive Duct Fan  
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3
®
Pre Start-Up Checks  
WARNING  
1. Check all fasteners for tightness. The wheel  
should rotate freely and not rub on the fan  
panel venturi. Turn the fan on momentarily to  
check for unusual vibration or noise. Do not  
run the fan more than a few seconds without  
being connected to the system for which it was  
designed. Motor overloading and burnout may  
result from lack of system static pressure.  
Correct direction of wheel rotation is critical.  
Reversed rotation will result in poor air  
performance, motor overloading and possible  
burnout.  
4. Vibration Isolators: After fan is moved to  
desired location, punch out the four knock-out  
holes which are located on the unit top and  
bottom panels. Assemble the brackets to the  
unit according to the appropriate drawings  
on page 3 and refer to respective parts list on  
page 7. Make certain all connectors are tight  
and that all washers are in.  
5 If adjustments are made, it is very important  
to check the pulleys for proper alignment.  
Misaligned pulleys lead to excessive belt wear,  
vibration, noise and power loss. (See figure 5)  
2. Inlet and discharge collars are provided for duct  
connection. The inlet panel is removable for  
attaching optional filter box accessory.  
3. Wheel Rotation: Direction of wheel rotation  
is critical. Check wheel rotation by momentarily  
energizing the unit. Improper rotation will result  
in reduced airflow and pressure capabilities.  
Rotation is always in the same direction as  
airflow at the outlet. See housing and wheel  
examples in figure 4.  
6. For all BDF Fans: Belt tension can be  
adjusted by loosening four fasteners (marked  
“R”, figure 6) on the drive frame. The motor plate  
slides on the slotted adjusting arms (see figure  
17). Belt tension should be adjusted to allow  
1/64 inch of deflection per inch of belt span.  
For example, a 15 inch belt span should have  
15/64 inch (or about 1/4 inch) of deflection with  
moderate thumb pressure at mid-point between  
pulleys (See figure 7). Overtightening will cause  
excessive bearing wear and noise. Too little  
tension will cause slippage at startup and  
uneven wear.  
N
O
AIRFLOW  
AIRFLOW  
N
O
R
NOTE:  
Figure 4:  
Wheel Rotation Guide  
Identical  
fasteners on  
opposing  
side must  
also be  
CORRECT  
WRONG  
loosened.  
Figure 6  
WRONG  
WRONG  
Belt Span  
Deflection =  
Belt Span  
64  
Figure 7  
Figure 5  
4
Model BDF • Belt Drive Duct Fan  
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7. The adjustable motor pulley is factory set for  
the RPM specified. Speed can be increased by  
closing or decreased by opening the adjustable  
motor sheave. Two groove variable pitch pulleys  
must be adjusted an equal number of turns open  
or closed. Any increase in speed represents a  
substantial increase in the horsepower required  
by a unit. Motor amperage should always be  
checked to avoid serious damage to the motor  
when speed is varied.  
Maintenance: BDF  
Installation and maintenance are to be performed  
only by qualified personnel who are familiar  
with local codes and regulations and who are  
experienced with this type of equipment.  
Motor maintenance is generally limited to cleaning  
and lubrication (where applicable). Cleaning should  
be limited to exterior surfaces only. Removing dust  
buildup on motor housing ensures proper motor  
cooling.  
Operation: BDF  
Greasing of motors is only intended when fittings  
are provided. Many fractional horsepower motors  
are permanently lubricated and should not be  
lubricated after installation. Motors supplied with  
grease fittings should be greased in accordance  
with manufacturers’ recommendations. Where  
motor temperatures do not exceed 104°F (40°C),  
the grease should be replaced after 2,000 hours of  
running time as a general rule.  
1. Before starting up or operating fan, check all  
fasteners for tightness. In particular, check  
the setscrews in wheel hub (and pulleys, if  
applicable).  
2. While in the OFF position or before connecting  
the fan to power, turn the fan wheel by hand  
to be sure it is not striking the venturi or any  
obstacle.  
Wheels require very little attention when moving  
clean air. Occasionally, oil and dust may accumulate  
causing imbalance. When this occurs the wheel and  
housing should be cleaned to ensure smooth and  
safe operation.  
All fasteners should be checked for tightness each  
time maintenance checks are performed prior to  
restarting unit.  
3. Start the fan and shut it off immediately to check  
rotation of the wheel with directional arrow in the  
motor compartment, see figure 4.  
4. When the fan is started, observe the operation  
and check for any unusual noises.  
5. With the system in full operation and all  
ductwork attached, measure current input to the  
motor and compare with the nameplate rating to  
determine if the motor is operating under safe  
load conditions.  
A proper maintenance program will help these units  
deliver years of dependable service.  
6. Keep inlets and approaches to fan clean and  
free from obstruction.  
WARNING  
Always disconnect, lock and tag power source  
before servicing. Failure to disconnect power  
source can result in fire, shock or serious injury.  
Inspection: BDF  
Inspection of the fan should be conducted at the  
first 30 minute and 24 hour intervals of satisfactory  
operation.  
CAUTION  
Uneven cleaning of the wheel will produce an out  
of balance condition that will cause vibration in the  
fan.  
30 Minute Interval  
Inspect bolts, setscrews and motor mounting bolts.  
Adjust and tighten as necessary.  
WARNING  
24 Hour Interval  
Check all internal components and inspect belt  
alignment and tension. Adjust and tighten as  
necessary.  
This unit should be made non-functional when  
cleaning the wheel or housing (fuses removed,  
disconnect locked off).  
WARNING  
Belt/Bearing Maintenance BDF Unit  
The fan has been checked for mechanical noises at  
the factory prior to shipment. If mechanical noise  
should develop, suggested corrective actions are  
offered in the Troubleshooting section.  
1. Belts tend to stretch after a period of time. They  
should be checked periodically for wear and  
tightness. When replacing belts, use the same  
type as supplied with the unit.  
IMPORTANT  
2. Matched belts should always be used on units  
with multi-groove pulleys.  
Over tightening will cause excessive bearing wear  
and noise. Too little tension will cause slippage at  
startup and uneven wear.  
3. For belt replacement, loosen the tensioning  
device enough to allow removal of the belt by  
hand. Do not force belts on or off. This may  
cause cords to break, leading to premature belt  
failure.  
IMPORTANT  
Adjust (tighten) belt tension after the first 24-48  
hours of operation.  
Model BDF • Belt Drive Duct Fan  
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®
4. Once installed, adjust belts as shown in  
“Pre-Starting Checks.”  
Table 1: Suggested Fan Bearing Greasing Intervals  
Interval (months)  
Type of Service  
5. Shaft bearings can be classified in two  
groups: relubricating and non-relubricating.  
Bearings on sizes 80 through 180 are factory  
lubricated and require no further lubrication  
under normal use (between -20°F and 180°F  
in a relatively clean environment). Bearings on  
size 200 are relubricatable. These bearings  
will require frequent lubrication. Caution  
should be employed to prevent overpacking or  
contamination.  
6. Grease fittings should be wiped clean. The unit  
should be in operation while lubricating. Extreme  
care should be used around moving parts.  
7. Grease should be pumped in very slowly until a  
slight bead forms around the seal. A high grade  
lithium base grease should be used.  
Heavy duty in dirty, dusty locations;  
high ambient temperatures; moisture  
laden atmosphere; vibration.  
1 to 3  
12 to 24 hours per day, heavy duty,  
or if moisture is present  
3 to 6  
6 to 12  
12 to 18  
8 to 16 hours per day in clean,  
relatively dry atmosphere  
Infrequent operation or light duty in  
clean atmosphere  
Table 2: Grease Manufacturers  
Manufacturer  
U.S. Electric Motors  
Chevron U.S.A. Inc  
Grease (NLGI #2)  
Grease No. 83343  
Chevron SRI Grease #2  
Mobilith  
Mobil Oil Corporation  
Texaco, Inc.  
Mobil 532  
Premium BRB #2  
Texaco Multifak #2  
Rykon Premium #2  
Unirex N2  
Recommended Relubrication  
Frequency in Months  
NOTE: If unusual environment conditions exist  
(extreme temperature, moisture or contaminants)  
more frequent lubrication is required.  
Amoco Oil Co.  
Exxon  
Shell  
B Shell Alvania #2  
A good quality lithium base grease, conforming to  
NLGI Grade 2 consistency, such as those listed here  
may be used.  
Troubleshooting  
WARNING: Before taking any corrective action, make certain unit is not capable of operation during  
repairs.  
PROBLEM  
CAUSE  
CORRECTIVE ACTION  
Clean all dirt off wheel. Check wheel balance, rebalance in place if  
necessary.  
Wheel unbalance  
Bad bearings  
Replace.  
Belts too tight or too loose  
Adjust tension, see figure 7.  
Excessive noise  
or vibration  
Wheel improperly aligned and  
rubbing  
Center wheel on inlet.  
Loose drive or motor pulleys  
Align and tighten. See “Pre-Starting Checks”, see page 4-5.  
Foreign objects in wheel or housing Remove objects, check for damage or unbalance.  
Check system: Proper operation of backdraft or control dampers,  
System resistance too high  
obstruction in ductwork, clean dirty filters.  
Unit running backwards  
Correct as shown in figure 4.  
Reduced airflow  
Excessive dirt buildup on wheels  
Improper wheel alignment  
Clean wheel.  
Center wheel on inlets. See “Pre-Starting Checks”, see page 4-5.  
6
Model BDF • Belt Drive Duct Fan  
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Isolator Parts List  
STANDING SUPPORT ISOLATOR  
HANGING SUPPORT ISOLATOR  
Unit  
NOTE:  
1
side panel  
Top bracket is reversible  
for mounting unit 90o  
from indicated.  
2
2
6
4
5
5
(SQ & BSQ only)  
1
5
7
6
5
7
4
2
8
3
3
4
1
6
5
5
5
7
5
8
5
1
2
6
5
7
6
Unit  
Side  
Panel  
2
Base fastener  
by installer  
5
6
2
No. Qty.  
Description  
BDF-80 thru 150 BDF-180 thru 200 No. Qty.  
Description  
BDF-80 thru 150  
BDF-180 thru 200  
Cadium plated  
hex head bolts  
3/8 in. - 16 x 1  
1/4 in.  
Cadium plated hex  
head bolts  
3/8 in. - 16 x 1 1/4  
in.  
1
2
3
8
8
4
3/8 in. - 16 x 1 in.  
3/8 in. - 16  
1
2
3
8
16  
4
3/8 in. - 16 x 1 in.  
3/8 in. - 16  
Cadium plated  
hex nuts  
Cadium plated hex  
nuts  
3/8 in. - 16  
3/8 in. - 16  
1/4 in.  
Cadium plated  
hex head bolts  
St. mount bracket  
w/1 - 1/4 in hole  
5/16 in. - 18 x 1 in. 3/8 in. - 16 x 1 in.  
3/16 in.  
St. mount bracket  
w/2 - 7/16 in.  
holes  
St. mount bracket  
w/2 - 7/16 in. holes  
4
8
3/16 in.  
1/4 in.  
4
4
3/16 in.  
1/4 in.  
Cadium plated  
washer  
7/8 in. O.D x 3/8 in. 7/8 in. O.D x 3/8 in.  
Cadium plated  
washer  
7/8 in. O.D x 3/8 in. 7/8 in. O.D x 3/8 in.  
5
6
7
8
20  
12  
4
5
6
7
8
24  
12  
12  
4
I.D. x 1/16 in.  
3/8 in.  
I.D. x 1/16 in.  
3/8 in.  
I.D. x 1/16 in.  
I.D. x 1/16 in.  
Cadium plated  
lock washer  
Cadium plated lock  
washer  
3/8 in.  
3/8 in.  
Cadium plated  
washer  
1-3/8 in. O.D x 9/16 1-3/8 in. O.D x 9/16  
in. I.D. x 3/32 in. in. I.D. x 3/32 in.  
Cadium plated  
washer  
1-3/8 in. O.D x 9/16 1-3/8 in. O.D x 9/16  
in. I.D. x 3/32 in. in. I.D. x 3/32 in.  
Neoprene or  
Spring Isolator  
Reference appropriate table below for  
replacement Isolator(s)  
Neoprene or Spring Reference appropriate table below for  
Isolator  
4
replacement Isolator(s)  
REPLACEMENT SPRING ISOLATOR(S)  
MODEL  
FAN SIZE  
BDF  
80-90  
100-200  
150-180  
200  
FDS-1-370  
ORANGE  
BASE MOUNT FDS-1-70 GREEN FDS 1-120 GRAY FDS-1-220 BROWN  
HANGING SH-1-70 GREEN  
SH-1-125 GRAY SH-1-245 BROWN SH-1-370 ORANGE  
REPLACEMENT NEOPRENE ISOLATOR(S)  
MODEL  
BDF  
FAN SIZE  
120-150  
80-100  
180-200  
R-2 RED  
BASE MOUNT  
HANGING  
R-1 GREEN  
40DUR BLACK  
R-2 BLACK  
50DUR BLACK  
50DUR BLACK  
Model BDF • Belt Drive Duct Fan  
7
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Parts List  
NOTE  
Each fan bears a manufacturer’s nameplate with model number and serial number embossed. This information will  
assist the local Greenheck representative and the factory in providing service and replacement parts. Before taking any  
corrective action, make certain unit is not capable of operation during repairs.  
CAUTION  
A fan manufactured with an explosion resistant motor does not certify the entire unit to be explosion proof. Refer to UL  
Listing Mark for the fans approved usage.  
SCROLL  
M
OTOR  
HOUSING  
BEARING  
WHEE  
L
A
CCESS  
P
A
NEL  
SHAFT  
ISOLATOR  
BELT  
M
OTOR  
S
H
A
FT  
D
R
I
V
E
PULLEY  
PULL  
E
Y
S
UPP  
ORT  
Warranty  
Greenheck warrants this equipment to be free from defects in material and workmanship for a period  
of one year from the purchase date. Any units or parts which prove defective during the warranty  
period will be replaced at our option when returned to our factory, transportation prepaid. Motors are  
warranted by the motor manufacturer for a period of one year. Should motors furnished by Greenheck  
prove defective during this period, they should be returned to the nearest authorized motor service  
station. Greenheck will not be responsible for any removal or installation costs.  
As a result of our commitment to continuous improvement, Greenheck reserves the right to change  
specifications without notice.  
AMCA Publication 410-96, Safety Practices for Users and  
Greenheck Catalog BDF provides additional information describing  
the equipment, fan performance, available accessories, and  
specification data.  
Installers of Industrial and Commercial Fans, provides additional  
safety information. This publication can be obtained from AMCA  
®
Phone: (715) 359-6171 • Fax: (715) 355-2399 • E-mail: [email protected]Website: www.greenheck.com  
8
458341 • Model BDF • Belt Drive Duct Fan, Rev. 5, September 2008  
Copyright 2008 © Greenheck Fan Corp  
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