Report RECEIVED
lv(( 5-- Sw It/lpfftius /tk,� -ZCC)
JAN 2 6 2016
L2fGREENHECK Ci y 0V4► %71558
Building Value in Air. Downblast CentrifugaDl Af " Fans
Installation, operation and Maintenance Manual
Please read and save these instructions.Head 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!Retain Instructions for future reference.
Model G Model GB
Direct Drive Belt Drive
Model G is a direct drive downblast GB Model Fans are belt drive
centrifugal exhaust fan.These fans downblast centrifugal exhaust
are specifically designed for roof fans. These fans are specifically
mounted applications exhausting designed for roof mounted
relatively clean air. Performance applications exhausting relatively
capabilities range up to 4,300 cfm clean air. Performance capabilities
(7,305 m3/hr) and up to 1 in.wg "3t' range up to 44,700 cfm (75,950
(249 Pa) of static pressure. The m3/hr)and up to 2.5 in.wg(623 Pa)
maximum continuous operating of static pressure. The maximum
temperature is 180°F (8200). � , continuous operating temperature
G models are available in sixteen is 180°F (82gC). GB models are
sizes with nominal wheel diameter available in twenty sizes with
ranging from 8 to 18 inches nominal wheel diameters ranging
(203 to 457 mm) (060-180 unit sizes). Each fan shall bear from 11 to 54 inches(279 to 1372 mm)(071-540 unit sizes).
a permanently affixed manufacturer's engraved metal Each fan shall bear a permanently affixed manufacturer's
nameplate containing the model number and individual nameplate containing the model number and individual
serial number.All fans are UL/cUL listed Standard 705. serial number.All fans are UL/cUL listed Standard 705.
General Safety Information
Only qualified personnel should install this fan.Personnel 1. Follow all local electrical and safety codes,as well as
should have a clear understanding of these instructions the National Electrical Code(NEC)and the National
and should be aware of general safety precautions. Fire Protection Agency(NFPA),where applicable.
Improper installation can result in electric shock, possible Follow the Canadian Electric Code(CEC)in Canada.
injury due to coming in contact with moving parts,as 2. The rotation of the wheel is critical. It must be free
well as other potential hazards.Other considerations to rotate without striking or rubbing any stationary
may be required if high winds or seismic activity are objects.
present. If more information is needed,contact a licensed 3. Motor must be securely and adequately grounded.
professional engineer before moving forward. 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
Always disconnect,lock an:tag:disconnect
source before current should be checked to make sure it is noinstalling or servicing. Failupower exceeding the motor nameplate amps.
source can result in fire, shs injury. 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.
When servicing the fan, motor may be hot enough 6. Verify that the power source is compatible with the
to cause pain or injury.Allow motor to cool before equipment.
servicing. 7. Never open access doors to a duct while the fan is
� running.
Precaution should be taken in explosive atmospheres.
�',-Modrel6/60 Centrifugal Roof Exhaust Fans
Receiving
Upon receiving the product check to make sure all items Hook With
are accounted for b referencing the bill of lading to Safety Latch
y g g (Supplied by others)
ensure all items were received. Inspect each crate for
shipping damage before accepting delivery. Notify the (2)Bearing Plate
PP 9 9 P 9 rY• '7 Lifting Points
carrier if any damage is noticed.The carrier will make
notification on the delivery receipt acknowledging any
damage to the product.All damage should be noted on
all the copies of the bill of lading which is countersigned
by the delivering carrier.A Carrier Inspection Report Fig.2 (4)Drive Frame
should be filled out by the carrier upon arrival and Lifting Points
reported to the Traffic Department.If damaged upon
arrival,file a claim with carrier.Any physical damage
to the unit after acceptance is not the responsibility of
Greenheck Fan Corporation. Screwso.0 � Screws
Unpacking
Verify that all required parts and the correct quantity
of each item have been received. If any items are
1�Ain.
missing, report shortages to your local representative to (44 mm)
arrange for obtaining missing parts. Sometimes it is not Fig.3
Curb Cap
possible that all items for the unit be shipped together
due to availability of transportation and truck space. When G/G13 unit is on the roof, move fan to desired
Confirmation of shipment(s)must be limited to only items location using lifting points and fasten securely through
on the bill of lading. mounting holes in base.Shims may be necessary
Handling depending upon roofing material thickness.
The motor amperage and voltage ratings must be
G Direct Drive checked for compatibility to supply voltage prior to
Lift unit on to the roof utilizing hooks under the lip of the final electrical connection. For G/GB installations,the
shroud. Evenly space the hooks around the shroud using electrical supply should be routed through the conduit
a minimum of four lifting straps. Use a spreader bar to chase located between the curb cap and the bottom of
ensure the straps do not come in contact with the unit the motor compartment.Wiring must conform to local
(see figure 1). and national codes.
Storage
Spreader Bar Fans are protected against damage during shipment. If
the unit cannot be installed and operated immediately,
precautions need to be taken to prevent deterioration of
the unit during storage.The user assumes responsibility
of the fan and accessories while in storage.The
Lifting manufacturer will not be responsible for damage during
Strap storage.These suggestions are provided solely as a
convenience to the user.
Indoor
The ideal environment for the storage of fans and
accessories is indoors, above grade, in a low humidity
atmosphere which is sealed to prevent the entry of
blowing dust, rain or snow.Temperatures should be
evenly maintained between 300 to 110°F(-1°to 43°C)
(wide temperature swings may cause condensation
Hook and"sweating"of metal parts).All accessories must be
Fig.
stored indoors in a clean,dry atmosphere.
Remove any accumulations of dirt,water, ice or snow
GB Belt Drive and wipe dry before moving to indoor storage.To avoid
When lifting the unit on to the roof, use either the four "sweating"of metal parts allow cold parts to reach room
lifting points on the drive frame or the two lifting points temperature.To dry parts and packages use a portable
on the bearing plate if present(see figure 2 for lifting electric heater to get rid of any moisture buildup. Leave
points).Access to the drive frame is accomplished by coverings loose to permit air circulation and to allow for
removing the screws pointed out in figure 3.The cover periodic inspection.
can then be removed and placed on a flat surface in an
area protected from strong winds.
En;Model 0/00 Genbftgal Roof Exhaust FansLM
The unit should be stored at least 3'/2 inches(89 mm) Typical Roof Mounting Installation
off the floor on wooden blocks covered with moisture 1. On the roof surface, cut an appropriate sized hole
proof paper or polyethylene sheathing.Aisles between and follow manufacturer's instructions on curb
parts and along all walls should be provided to permit air installation.Caulk and flash the curb to ensure a
circulation and space for inspection. water tight seal.
Outdoor 2. If unit is equipped with a backdraft damper, it should
Fans designed for outdoor applications may be stored be installed now.
outdoors, if absolutely necessary. Roads or aisles for 3. Remove motor cover.Access to the motor
portable cranes and hauling equipment are needed. compartment is accomplished by removing the
The fan should be placed on a level surface to prevent screws as shown in figure 3.
water from leaking into the fan.The fan should be 4. Only on GB Belt Drive fans. On the drive frame use
elevated on an adequate number of wooden blocks so the lifting lugs to lift and place the unit on top of roof
that it is above water and snow levels and has enough curb. (Refer to figure 2 on page 2).
blocking to prevent it from settling into soft ground. 5. Secure fan to curb using a minimum of eight lug
Locate parts far enough apart to permit air circulation, screws, metal screws or the suitable fasteners.
sunlight and space for periodic inspection.To minimize Shims may be required depending upon curb
water accumulation,place all fan parts on blocking installation and roofing material.
supports so that rain water will run off. 6. Verify power line wiring is de-energized before
Do not cover parts with plastic film or tarps as these connecting fan motor to power source.
cause condensation of moisture from the air passing 7. Connect power supply wiring to the motor as
through heating and cooling cycles. indicated on the motor nameplate or terminal box
cover.Check the power source for compatiblity with
Fan wheels should be blocked to prevent spinning the requirements of your equipment.
caused by strong winds. 8. Check fan wheel for free rotation, re-center if
Inspection and Maintenance During necessary.
Storage 9. Check all fasteners for tightness.
Mount and wire safety disconnect switch under
While in storage, inspect fans once per month. Keep a 10. motor cover.Wire control switches at ground level,
record of inspection and maintenance performed. refer to figure 4.
If moisture or dirt accumulations are found on parts, 12. Replace motor cover.
the source should be located and eliminated.At each
inspection, rotate the wheel by hand ten to fifteen
revolutions to distribute lubricant on motor. If paint Typical Wiring Diagram
deterioration begins, consideration should be given to
touch-up or repainting. Fans with special coatings may
require special techniques for touch-up or repair. MOTOR MOTOR
Machined parts coated with rust preventive should be SUPPLYVOLTAGE SUPPLYVOLTAGE
restored to good condition promptly if signs of rust 115/208-290/60/1 ::W2L230/460/60/3
occur. Immediately remove the original rust preventive ":::JaoX Ll z
coating with petroleum solvent and clean with lint-free Fig.4 L2
cloths. Polish any remaining rust from surface with -
crocus cloth or fine emery paper and oil. Do not destroy
the continuity of the surfaces.Thoroughly wipe clean
with Tectyl®506(Ashland Inc.)or the equivalent. For hard
to reach internal surfaces or for occasional use,consider
using Tectyl®511 M Rust Preventive,WD-40®or the
equivalent.
Removing From Storage
As fans are removed from storage to be installed in their
final location,they should be protected and maintained
in a similar fashion until the fan equipment goes into
operation.
Installation
Installation,troubleshooting and parts replacement
is to be performed only by qualified personnel.
Disconnect power before installing or servicing.
!1
Model G/GS Gentrftal Roof lam F
DirectG Direct Drive
cuts, Roof *Approx.`' Fig.5-Typical Roof Mounting Installation
modelCaptemper Opening Weight
G 060,065,070,075 17(432) 8(203) 10112(267) 18(8)
G 080,085,090,095 17(432) 10(254) 121/2(318) 26(12) Disconnect
Screws�
G 101,121 19(483) , 12(305) 141/,(368) 43(20)
G 131,141 22(559) 16(406) 181/2(470) 58(26)
G 150 26(660) 16(406) 18112(470) 59(27)
G 160,170 30(762) 18(457) 201/2(521) 81 (37) l/ \
G 180 30(762) 18(457) 2012(521) 118(54) Y.in.
(t9)� 8 or 12 in.
GB - Belt Drive Wiring by Others (203 or 305)
Moth Curb, Damper �g
Damper
GB 071,081,091 19(483) 12(305) 141/2(368) 58(26) 1/,in. kndDamperSizecommended Dud1 11�m'
GB 101,101 HP 19(483) 12(305) 141/2(368) 63(29) (32) (32)
GB 121 19(483) 12(305) 141/2(368) 66(30) Recommended Roof
Opening
GB 131 19(483) 12(305) 141/2(368) 67(30)
GB 141,141 HP 22(559) 16(406) 181/2(470) 83(38) GB Belt Drive
GB 161,161 HP 22(559) 16(406) 181/2(470) 89(40) Fig.6-Typical Roof Mounting Installation
GB 180,180HP 30(762) 18(457) 201/2(521) 125(57)
GB 200,200HP 30(762) 18(457) 20112(521) 138(63)
Disconnect
GB 220,240,220HP 34(864) 24(610) 261/2(673) 158(72)
GB 260 40(1016) 30(762) 321h(826) 305(138)
GB 300,300HP 40(1016) 30(762) 321/2(826) 320(145)
GB 330 46(1168) 36(914) 381/2(978) 385(175)
GB 360,360HP 46(1168) 36(914) 381/2(978) 403(183) J/ �\
'/a in 8or12in
GB 420 52(1321) 42(1067) 441/2(1130) 495(225) Wiring by Others (19) (203 or 305)
GB 480 52(1321),48(1219) 501/2(1283) 623(283)
GB 500 64(1626) 54(1372) 561/2(1435) 687(312)
Damper
GB 540 64(1626) 54(1372) 561/2(1435) 748(339) 11/.in Recommended Dud and Damper Size 11/.in
• All dimensions are in inches(millimeters).'Approximate weight shown in pounds (32) (32)
(kilograms)is the largest cataloged Open Drip Proof motor.
• The roof curb should be 111/2 in.(38 mm)less than the curb cap to allow for roofing and Recommended Roof
flashing. I Opening
Pre-Starting Checks
1. Check all fasteners and set screws for tightness.The 6. Only GB unit-Fan RPM should be checked and
wheel should rotate freely and be aligned as shown verified with a tachometer.
in figure 7 on page 5. 7. Check wheel rotation (viewing from the shaft side)
2. Wheel position is preset and the unit is test run at the by momentarily energizing the unit.On a G unit the
factory. Movement may occur during shipment and rotation should correspond to the rotation decal on
realignment may be necessary. the unit,see figure 8.On a GB unit rotation should
3. Only G unit-Centering height alignment can be be clockwise as shown in figure 8 and correspond
accomplished by loosening the set screws in the to rotation decal on the unit. If wheel rotation is
wheel and moving the wheel to the desired position. incorrect reverse two of the wiring leads or check
4. Only GB unit-Centering can be accomplished by motor wiring for single phase.
loosening the bolts holding the drive frame to the
shock mounts and repositioning the drive frame.
5. Only GB unit-Wheel and inlet cone overlap can be
adjusted by loosening the set screws in the wheel
and moving the wheel to the desired position.
(It e1 COMN0 1 Roof Exhaust fans
Wheel Overlap and Gap Dimensions Belts
0
G 060-095 - '/u(2)
G 101-180 - 1/4(6) Do not force belt(s).Forcing the
GB 071-161 '/4(6) - belt(s)will break the cords and
GB 180-240 %(10)
Fig.9 cause belt failure
-
GB 260-540 V,(13) - 10. 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 10.
G H CORRECT WRONG
Fig.7 nni Z
WRONG WRONG
Wheel Rotation Z7 :7
7
Fig.10
11. Belt tension can be adjusted by loosening four
fasteners on the drive frame,see figure 11.The
e motor plate slides on the slotted adjusting arms and
drive frame angles in the same manner.
Fasteners
(4)*Fasteners
Clockwise Counterclockwise 'Identical fasteners on
Airflow Airflow opposing side must also be
G 060-131 G 141-180 loosened.
All GB Models
Fig.8 Fig.11
. 04 1104 11
Correct direction of wheel rotation is critical. Reversed 12a.Sizes 071-161: Belts should be tensioned just
rotation will result in poor air performance, motor enough to prevent slippage at full load.
overloading and possible burnout. Note: Belts should have a slight bow on the slack
_ side while running at full load(see figure 12a).
12b.Sizes 180-540:Belt tension should be adjusted to
The fan has been checked for mechanical noises at the allow 1/64 in.(0.397 mm)of deflection per inch of belt
factory prior to shipment. If mechanical noise should span.For example,a 15 in.(381 mm)belt span should
develop, suggested corrective actions are offered in have 15/64 in.(0.234 mm)(or about 1/4 in.(6 mm))of
the Troubleshooting section, deflection with moderate thumb pressure at mid-point
IMPORTANT between pulleys(see figure 12b).
Over tightening will cause excessive bearing wear and Deflection +
noise.Too little tension will cause slippage at startup
and uneven wear. Deflection=Bek Span
ca Belt
Span
Model GB Slack
Side
Pre-Starting Belt Tension Checks Fig.12a Fig.12b +
8. Always loosen tension enough to install belts without
stretching, see figure 9. 13. The adjustable motor pulley is factory set for the
9. For units with two groove pulleys,adjust so the RPM specified. Speed can be increased by closing
tension is equal in both belts. or decreased by opening the adjustable motor pulley.
® Model G/08 Centritugal Rood
14. Any increase in speed represents a substantial Greasing of motors is only intended when fittings are
increase in the horsepower required by the unit. provided. Many fractional horsepower motors are
15. Motor amperage should always be checked to avoid permanently lubricated and should not be lubricated
serious damage to the motor when speed is varied. after installation. Motors supplied with grease fittings
should be greased in accordance with manufacturers'
Operation: G / GB recommendations.Where motor temperatures do not
1. Before starting up or operating fan,check all exceed 1040F(40'C),the grease should be replaced after
fasteners for tightness. In particular, check the 2,000 hours of running time as a general rule.
setscrews in wheel hub. Wheels require very little attention when moving clean
2. While in the OFF position or before connecting the air.Occasionally,oil and dust may accumulate causing
fan to power,turn the fan wheel by hand to be sure it imbalance.When this occurs the wheel and housing
is not striking the venturi or any obstacle. should be cleaned to ensure smooth and safe operation.
3. Start the fan and shut it off immediately to check All fasteners should be checked for tightness each time
rotation of the wheel with directional arrow in the maintenance checks are performed prior to restarting
motor compartment. unit.
4. When the fan is started,observe the operation and
check for any unusual noises. A proper maintenance program will help these units
5. With the system in full operation and all ductwork deliver years of dependable service.
attached, measure current input to the motor and
compare with the nameplate rating to determine if •
the motor is operating under safe load conditions. Uneven cleaning of the wheel will produce an out of
6. Keep inlets and approaches to fan clean and free balance condition that will cause vibration in the fan.
from obstruction.
IMP
•.TANT This unit should be made non-functional when cleaning
the wheel or housing(fuses removed,disconnect
Adjust(tighten)belt tension after the first 24-48 hours locked off).
of operation.
Belt/Bearing Maintenance GB Unit
Inspection 1. Belts tend to stretch after a period of time.They
Inspection of the fan should be conducted at the first should be checked periodically for wear and
30 minute and 24 hour intervals of satisfactory operation. tightness.When replacing belts, use the same type
as supplied with the unit.
30 Minute Interval 2. Matched belts should always be used on units with
Inspect bolts,setscrews and motor mounting bolts. multi-groove pulleys.
Adjust and tighten as necessary. 3. For belt replacement,loosen the tensioning device
24 Hour Interval enough to allow removal of the belt by hand.
Check all internal components.On GB unit only, inspect 4. Once installed,adjust belts as shown in"Pre-Starting
belt alignment and tension.Adjust and tighten as Checks."
necessary. 5. Shaft bearings can be classified in two groups:
Maintenance' G /GB relubricating and non-relubricating.All
non-relubricating bearings on standard model GB
Installation and maintenance are to be performed only fans are factory lubricated and require no further
by qualified personnel who are familiar with local codes lubrication under normal use(between-20°to 180'F
and regulations and who are experienced with this type (-290 to 82°C)in a relatively clean environment).
of equipment. 6. On GB belt driven fans,the standard cast pillow
Motor maintenance is generally limited to cleaning and block bearings are factory lubricated and are
lubrication(where applicable).Cleaning should be limited provided with external grease fittings.Annual
to exterior surfaces only. Removing dust buildup on lubrication is recommended, or more frequently if
motor housing ensures proper motor cooling. needed(see Table 2 on page 7). Do not over-grease.
Use only one or two shots of lubricant with a hand
gun. Maximum hand gun rating is 40 psi. Rotate
Always disconnect, lock and tag power source before bearings during lubrication where good safety
servicing. Failure to disconnect power source can practice permits. Caution should be employed to
result in fire,shock or serious injury. prevent over packing or contamination.
7. Grease fittings should be wiped clean.The unit
should be in operation while lubricating. Extreme
care should be used around moving parts.
Wf46l dkl<id/db Ce s*Vugat Roof Exhaust Fans Q
8. Grease should be pumped in very slowly until a slight Table 3:Grease ManUfaCtUrers
bead forms around the seal.A high grade lithium
base grease should be used. Manufacturer Grease(NLGI#2);_
9. To ensure tightness, check pulley setscrews. Proper U.S.Electric Motors Grease No.83343
keys must be in keyways.
10. Fan RPM should not be readjusted.Only use pulleys Chevron U.S.A.Inc Chevron SRI Grease#2
of identical size and type when replacing pulleys. Mobilith
11. During the first few months of operation check Mobil Oil Corporation
bearing set screws periodically to ensure tightness. Mobil 532
12. If unit is to be left idle for an extended period, Premium BRB#2
remove belts and store in a cool,dry place to avoid Texaco,Inc.
premature belt failure. Texaco Multifak#2
Recommended Relubrication Frequency in Amoco Oil Co. Rykon Premium#2
Months Exxon Unirex N2
NOTE: If unusual environment conditions exist(extreme
temperature, moisture or contaminants)more frequent Shell B Shell Alvania#2
lubrication is required.
A good quality lithium base grease, conforming to NLGI
Grade 2 consistency,such as those listed here may be
used.
Table 2:Suggested Fan Bearing Greasing Intervals
Interval Type of Service
(months)
Heavy duty in dirty,dusty locations;high ambient
1 to 3 temperatures;moisture laden atmosphere;
vibration.
3 to 6 12 to 24 hours per day,heavy duty,or if moisture
is present
6 to 12 8 to 16 hours per day in clean,relatively dry
atmosphere
12 to 18 Infrequent operation or light duty in clean
atmosphere
Fan Inlet Connections
In order to assure proper fan performance,caution must be exercised in fan placement and connection to the
ventilation system.Obstructions,transitions, poorly designed elbows, improperly selected dampers, etc, can cause
reduced performance,excessive noise and increased mechanical stress. For performance to be as published,the
system must provide uniform and stable airflow into the fan.
Good
Poor Poor Good
t�L L
Dampers must open Avoid sharp turns or Provide uniform Provide uniform airflow at fan inlet
fully.Use motorized entrance conditions airflow at fan inlet and through the damper to assure
dampers in low airflow which cause uneven to assure optimum optimum performance.The curb cap
applications to reduce flow.Use turning vanes performance. should be three wheel diameters
losses. in elbows to reduce from the radius.Use turning vanes in
adverse effects. duct when possible.
Model Gi1OB Centrifugal Roof ExhatIOT641
Troubleshooting
WARNING: Before taking any corrective action, make certain unit is not capable of operation during repairs.
PROBLEM CAUSE CORRECTIVE ACTION
Wheel rubbing inlet Adjust wheel and/or inlet cone.Tighten wheel hub or bearing collars on
shaft.
V-belt drive Tighten pulleys on motor/fan shaft.Adjust belt tension.Align pulleys
properly,see page 5/figure 9-10.Replace worn belts or pulleys.
Bearings Replace defective bearing(s).Lubricate bearings.Tighten collars and
fasteners.
Wheel unbalance Clean all dirt off wheel.Check wheel balance,rebalance in place if
necessary.
Excessive noise Bad bearings Replace.
or vibration Belts too tight or too loose Adjust tension,see figure 12a-b.
Wheel improperly aligned and Center wheel on inlet,see figure 7.
rubbing
Loose drive or motor pulleys Align and tighten.See"Pre-Starting Checks",see page 5-6.
Foreign objects in wheel or housing Remove objects,check for damage or unbalance.
Fan base not securely anchored Secure properly.
Motor hood loose and rattling Tighten acorn nuts securing motor hood.
Defective or loose motor bearings Replace motor with same frame size,RPM-HP
Fan Check rotation of wheel,see figure 8.Reduce fan speed.
High horsepower Resize ductwork.Check proper operation of face and bypass dampers.
Duct system Check filters and access doors.
Electrical supply Check fuses/circuit breakers.Check for switches off.Check for correct
Fan does supply voltage.
not operate Drive Check for broken belts.Tighten loose pulleys.
Motor Assure motor is correct horsepower and not tripping overload protector.
Lubrication Check for excessive or insufficient grease in the bearing.
Mechanical Replace damaged bearing.Relieve excessive
belt tension.Align bearings.Check for bent shaft.
Belt slippage Adjust tension or replace bad belts,see page 5-6.
Motor overloads Over/Under line voltage Contact power company.
or overheats Incorrect wheel rotation Check motor wiring,see figure 4.
Wheel RPM too high Check drives or slow down fan by opening variable pitch pulley on
motor shaft.
Undersized motor Check motor ratings with catalog speed and air capacity chart.
Motor wired incorrectly Check motor wiring to wiring diagram located on fan motor.
System resistance too high Check system:Proper operation of backdraft or control dampers,
obstruction in ductwork,clean dirty filters.
Unit running backwards Correct as shown in figure 8.
Excessive dirt buildup on wheels Clean wheel.
Reduced airflow Improper wheel alignment Center wheel on inlets,see Pre-Starting checks and figure 7.
Dampers closed Inspect and repair.
Blocked duct/clogged filter Clean or replace.
Belt slippage Replace and adjust tension.
Speed to slow Check for correct drives.
Oo"'G/08 Cantrifugal Roof Exhaust Fans
Maintenance Documentation
Job Information
Job Name: Service Organization:
Address: Address:
City: City:
State: Zip: State: Zip:
Phone: Phone:
Contact Person: Work Done By:
Nameplate Information Field Start-Up Documentation
Model:
Volts: Hertz: Phase: Actual Voltage: Hertz: Phase:
Amps: Mark: Actual Amperage:
Supply hp: Exhaust hp: Blower Rotation:
Serial Number: Air Volume: Design cfm:
Model Voltage: Actual cfm:
Motor Amperage: Level of fan (L or H):
Fan RPM: Fan RPM Range(min.) (max.)
Maintenance • •
Date Time Notes
Mode!Q/GB Centrifugal"0q"Xha0$,t F41
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.
G Direct Drive Centrifugal Roof Exhaust Fan
pr "' Motor Cover
u�l
Motor
Shock Mounts
Shroud Hood Clip
Birdguard _ hroud Brace
Vertical Support
Wheel
Lower Windband
Curb CapNenturi
hlac si 4/W CooWfugal float Exhaust Fans, LN
GB Belt Drive Centrifugal Roof Exhaust Fan
Motor Cover
Belt
Shaft Pulley
Motor Pulley
Drive Frame
Assembly Motor
Bearings
Shock Mounts
Fan Shaft
Shroud
Wheel Birdguard
Shroud Brace
Conduit Chase ��
Windband
Vertical Support
Curb Cap/Venturi
® Model G/GB Centrifugal Roof lExhauat
Roof Curb Installation
g .
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,Greenback reserves the right to change specifications
without notice.
Greenheck Catalog G/GB provides additional information AMCA Publication 410-96,Safety Practices for Users and
describing the equipment,fan performance,available Installers of Industrial and Commercial Fans,provides
accessories,and specification data. additional safety information.This publication can be
obtained from AMCA International,Inc.at:www.amca.org.
OGREENHECK
Building Value in Air.
Phone:(715)359-6171 •Fax:(715)355-2399•E-mail:gfcinfo@greenheck.com•Website:www.greenheck.com
[B,4715 •Model GIGS 10M,Rev.1,March 2008 Copyright 2008 0 Greenheck Fan Corp.