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Report RECEIVED Af 22-0/8(. MAR 0 3 2022 /a5oo sw GeNc�J% E GREENHECK CITY OF TIGARD PN 471558 BUILDING DIVISION Building Value in Air. Downblast Centrifugal Roof Exhaust Fans Installation, Operation and Maintenance Manual Please read and save these instructions.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! Retain instructions for future reference. Model G Model GB 44, IK Direct Drive Belt Drive ilif i1444is Model G is a direct drive downblast j 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 X designed for roof mounted relatively clean air. Performance applications exhausting relatively capabilities range up to 4,300 cfm , F3 clean air. Performance capabilities (7,305 m3/hr) and up to 1 in.wg • range up to 44,700 cfm (75,950 (249 Pa) of static pressure. The ems' " "..." " m3/hr)and up to 2.5 in.wg(623 Pa) maximum continuous operating of static pressure. The maximum temperature is 180°F (82°C) continuous operating temperature G models are available in sixteen is 180°F (82°C) 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 DANGER motor load. If the fan RPM is changed,the motor Always disconnect, lock and tag power source before current should be checked to make sure it is not installing or servicing. Failure to disconnect power exceeding the motor nameplate amps. source can result in fire,shock or serious injury. 5. Do not allow the power cable to kink or come in CAUTION 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 CAUTION running. Precaution should be taken in explosive atmospheres. el Model G/GB Centrifugal Roof Exhaust Fans .rii:§i3ktYi5%t++}k}ya'SFY=f{ddt+YtxN kkP§3vYHFMYi3n£eia3}}at3a+33he4 nit#.itaN+Mnrcre <:_:FT aa.a.., i...:. ,.. r... r+e y t ,. Receiving Upon receiving the product check to make sure all items t, Hook With ch are accounted for by referencing the bill of lading to �(�—�`;�> (i Supplied Safety tbyothers) .` ('��, ensure all items were received. Inspect each crate for � • Q` �; .II �y (2)gearing Plate shipping damage before accepting delivery. Notify the ��� 4 Lifting Points carrier if any damage is noticed.The carrier will make A 11 notification on the delivery receipt acknowledging any AI v damage to the product.All damage should be noted on .. hi all the copies of the bill of lading which is countersigned by the delivering carrier.A Carrier Inspection Report Fig.2 r► (4)Drive Frame should be filled out by the carrier upon arrival and Lifting Points MillillilliRmila reported to the Traffic Department. If damaged upon n arrival,file a claim with carrier.Any physical damage to the unit after acceptance is not the responsibility of I����■ Greenheck Fan Corporation. screws—. c o o o a` Screws Unpacking Verify that all required parts and the correct quantity of each item have been received. If any items are L;_ill 123u in. missing,report shortages to your local representative to (44mm) forFig.3 obtaining missing parts.Sometimes it is not {. Curb Cap .� arrange possible that all items for the unit be shipped together due to availability of transportation and truck space. When G/GB 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 cui norm 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 rii. 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 30°to 110°F(-1°to 43°C) (wide temperature swings may cause condensation I. Hook and "sweating"of metal parts).All accessories must be Fig.1 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. © Model G/GB Centrifugal Roof Exhaust Fans The unit should be stored at least 31/2 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. 10. Mount and wire safety disconnect switch under While in storage, inspect fans once per month. Keep a 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 SUPPLY VOLTAGE SUPPLY VOLTAGE 115/208-230/60n 208-230/460/60/3 restored to good condition promptly if signs of rust BOX occur. Immediately remove the original rust preventive °� �J LI coating with petroleum solvent and clean with lint-free Fig.4 I L ■ 1.3 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 WARNING Installation,troubleshooting and parts replacement is to be performed only by qualified personnel. WARNING Disconnect power before installing or servicing. Model G/GB Centrifugal Roof Exhaust Fans HEI G - Direct Drive G Direct Drive Model Curb Dam per Roof *Approx. Fig.5-Typical Roof Mounting Installation Cap p Opening Weight G 060,065,070,075 17(432) 8(203) 101/2(267) 18(8) - ( G 080,085,090,095 17(432) 10(254) 121/2(318) 26(12) Disconnect Screws---_____4 4 G 101,121 19(483) 12(305) 141/2(368) 43(20) ( 4" G 131,141 22(559) 16(406) 181/2(470) 58(26) G 150 26(660) 16(406) 181/2(470) 59(27) - I I G 160,170 30(762) 18(457) 2012(521) 811 (37) J lr, —T G 180 30(762) 18(457) 201/2(521) 118(54) 34 in. (t9) _I �_ 8 or 12 in. GB - Belt Drive Wiring by Others'------,-,,.. thers (203 or 305) Curb Roof *Ap rox. 0` r »'_' R Model Cap Damper Opening Weight ` f. ,* 1�),<< ,''„: 1,ti�i�r. i, •Damper. GB 071,081,091 19(483) 12(305) 141/2(368) 58(26) 1 y<in I Recommended Duct VA in. If-and Damper Size .4-- 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) -0-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 180,18OHP 30(762) 18(457) 201/2(521) 125(57) GB 200,200HP 30(762) 18(457) 201/2(521) 138(63) MIN Disconnect GB 220,240,220HP 34(864) 24(610) 261/2(673) 158(72) ISdi�-� E GB 260 40(1016) 30(762) 321/2(826) 305(138) �� 3 Mill11111—"11171 GB 300,300HP 40(1016) 30(762) 321/2(826) 320(745) ,� ( * GB 330 46(1168) 36(914) 381/2(978) 385(175) �II� GB 360,360HP 46(1168) 36(914) 381/2(978) 403(183) I ;l—_M' 34 in 1 GB 420 52(1321) 42(1067) 441/2(1130) 495(225) Wiring by Others (19)--►I '. 8or12in ' (203 or 305) GB 480 52(1321) 48(1219) 50' (1283) 623(283) 1r GB 500 64(1626) 54(1372) 561/2(1435) 687(312) ' 1 Damper GB 540 64(1626) 54(1372) 56'/2(1435) 748(339) [_ ..Recommended Duct 1'/.in le and Damper Size 1 Ya 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 1V,in.(38 mm)less than the curb cap to allow for roofing and Recommended Roof—b. flashing. 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. caModel G/GB Centrifugal Roof Exhaust Fans Wheel Overlap and Gap Dimensions Belts �` Model G-Overlap in.(mm) H-Gap in.(mm) /3 \\ G 060-095 - %2(2) G 101-180 - 1/4(6) Do not force belt(s).Forcing the GB 071-161 /(6) - belt(s)will break the cords and Fig.9 GB 180-240 %(10) - cause belt failure — GB 260-540 i2(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 t Fig.7 gun Inn Wheel Rotation WRONG WRONG Fig.10 nn1 uu� 11. Belt tension can be adjusted by loosening four fasteners on the drive frame, see figure 11.The motor plate slides on the slotted adjusting arms and .'I drive frame angles in the same manner. ^����� Fasteners 1i , i< ,f (4) *Fasteners "' \ Clockwise Counterclockwise 240" -r" .: ' Airflow Airflow 'Identical fasteners on opposing side must also be G 060-131 G 141-180 loosened. ii. . _ , °;S � • . .,,,) All GB Models I,, y • Fig.8 Fig.11 �,�;,' fi WARNING — 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). WARNING 12b.Sizes 180-540:Belt tension should be adjusted to The fan has been checked for mechanical noises at the allow1/6,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 15/54 in.(0.234 mm)(or about%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 --, + T noise.Too little tension will cause slippage at startup and uneven wear. Deflection=Belt span Ben Span Model GB Slack I Side Pre-Starting Belt Tension Checks Fig.12a O Fig.12b s 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. LT1 Model G/GB Centrifugal Roof Exhaust Fans El tY di3'k3§#4#YRtNtHlt}fiAHAt#i3:6i3Ysk[#49YCAYrA'fAMYbyNfa&kfYSAa td4#NRirtk+lNktlN+M.n iFk4akWikeur+bf43fitNYA33CWM,*Hnt4Yu,*Sfl an r+Mv n.t w .i. . a*yr:: ry A..eFwe, y':i. auktf+r»t xsri.w nn+i+: . .: n + .a . r 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 104°F(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 motor compartment. maintenance checks are performed prior to restarting 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 CAUTION 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. WARNING IMPORTANT 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 (-29°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. WARNING 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. CI Model G/GB Centrifugal Roof Exhaust Fans 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. ii 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 EI 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 r aa,�- A " omit tm.7 ■liii� ri Aim )riii 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 G/GB Centrifugal Roof Exhaust Fans ICI 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. ai Model G/GB Centrifugal Roof Exhaust Fans 3 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 Log Date Time Notes (r`� Model G/GB Centrifugal Roof Exhaust Fans la srtkitdlYYN11}9tftf'tit4£ikti4srdt,lraallHR4dt%Yl3i+Fxidin3TW fti dSxa3}x3{iibld.lL4ai34 AflfiAn}R1xAi f tkLNn#a d!e.et*N#Afif},y44§dirtrxx. t anYt eFs sr.i it rf HN1 ht <H k xitxeessvtstas txxeaxmrv.a er ra aer ars ..ev .. .. 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 Motor Cover Motor Shock Mounts Shroud • ` Hood Clip Birdguard Shroud Brace • e -TM- Vertical Support Wheel 0,0 4 Lower Windband Curb CapNenturi e y'a,f rtza t +dt J 10 Model G/GB Centrifugal Roof Exhaust Fans GB Belt Drive Centrifugal Roof Exhaust Fan � 3 Cover / \ i1111111 \ . Belt Shaft Pulley . ' Motor Pulley Drive Frame ¥� ? Assembly / t $» ; Bearings -4411 \ J# 9 Flz Shock Mounts < - \\ Fan Shaft Shroud Wheel < B rdguard » - a»\\� \\' C }I % f Shr ud Brace Chase Conduit Ch e 2 ¥ /- \ y 1110.111W W ndb nd Vertical Supp or § « © \ Curb Cap/Venturi 2 ?t • - .. . . -, . . -J d2 2 R woff§ 1 2/ \ \ Model Centrifugal Roof Exhaust Fans 4 Roof Curb Installation • 1,',4tid;i 3 = Pys' d. fin. L af ,, ,es.,, f Warranty c" 1 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 fora 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.Greenheclk 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. 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. GREENHECK Building Value in Air. Phone:(715)359-6171 •Fax:(715)355-2399•E-mail:gfcinfo@greenheck.com•Website:www.greenheck.com 0 471558• Model G/GB IOM,Rev. 1,March 2008 Copyright 2008©Greenheck Fan Corp. .. ..... .. .. ... ..� .....__ ._._._._ ......,,..s._.,,. n.......,»..,,........,,.«..., ..r....., .,,-., «. »..,,...�a...,.w. .,w«...,,...,<».u..:.a,....,.w.,us,.,w.u.,.....a..,.»u.�wuwwa«w....•.0 «...wr x..aaawn .u..w, .,:.. D` E T3 RE-VERBER-RAY by Detroit Radiant Products Company SERIES "FRARED RADIANT HE'3°S ECONOMICAL, TWO-STAGE LOW INTENSITY TUBE HEATER Optimal Fuel and Comfort Benefits with Unsurpassed Features Streamlined for economy and designed without sacrificing performance, the DET3 Series is a quality, energy efficient infrared heater at a more economical price. Our patented two stage technology, incorporated into the DET3 Series, provides more comfort while saving valuable energy dollars. Utilizing a direct spark ignition system and hot-rolled steel emitter tubes, this series is the best in this class of equipment. ig BENEFITS OF HEATING WITHtiv INFRARED` p • Superior Comfort • Flexibility • Indoor Air Quality • Durability • Reduced Energy • Radiant Efficiency Consumption PRODUCT FEATURES • Patented two-stage operation • Fitted ABS plastic air intake collar • Serviceability while unit is operating • Optional 'U' or I' configurations available • Symmetrical placement of ignition tube • Stainless steel flexible gas connector included • Independent control-air-gas compartments with • Hinged control compartment provides ease in tool-free access servicing t#144TiEf Of iiiins itiiAtE04.14-WFWatikilnk0444,14}tt.bi4410.0klrim 4tden tiltniS0i 0n9ntfs,iws+.:+a0P 444,1 n3i .ir lnintni us.4£4xintt 440nuwira tint.tonan,44. ..non Aloe.n tan a. ry ,nna , n .e. .n 4p t , r DET3 SERIES \>t ' ;A ECONOMICAL, TWO-STAGE LOW 'INTENSITY TUBE HEATER t; PRODUCT SPECIFICATIONS "' Input Range: Radiant Tubes: 65,000 to 200,000 BTU/h Hot-Rolled Steel Lengths: 0 Certification: 20-ft.to 60-ft. XA CSA,IAS,Indoor Gas Type: Limited Warranty: OAO Natural(3.5"W.C.)or Propane(10.0"W.C.) 1 (Components)-3(Tubes)-5(Burner) Combustion Chamber:0 Electrical: 4"Titanium Stabilized or Aluminized Steel 24V,60 Hz.24V Control Amps:1.7 Starting,11 Running AVAILABLE DET3 MODELS & CLEARANCES BTU/h BTU/h MOUNTING MOUNTING MODEL N GAS' HIGH FIRE LOW FIRE LENGTH WEIGHT HEIGHTS' ANGLE SIDE TOP BF"OW DE73-20-65 Nat or Prop 65,000 50,000 21'-9" 120 lbs 9'to 14' 0° 9 6 60 DET3-20-75 Nat or Prop 75,000 50,000 21'-9" 120 lbs 10'to 15' "sJ 0° 9 6 60 0°Mounting Angle DET3-30-65 Nat or Prop 65,000 50,000 31'-5" 160 tbs 10'to 15' _ 0° 9 6 60 TOP DET3-30-75 Nat or Prop 75,000 50,000 31'-5" 160 lbs 11'to 18' Z 0° 9 6 60 1 DET3-30-100 Nat or Prop 100,000 65,000 31'-5" 160 lbs .12'to 20' w 0° 14 6 66 DET3-30-125 Nat or Prop 125,000 82,000 31'-5" 160 tbs 13'to 23' Pi/ 0° 20 6 76 SIDE SIDE DET3-40-65 Nat or Prop 65,000 50,000 41'-1" 190 lbs 11'to 18' Et/ 0° 9 6 60 JJJ DET3-40-75 Nat or Prop 75,000 50,000 41'-1" 190 lbs 11'to 18' 1- 0° 9 6 60 BELOW DET3-40-100 Nat or Prop 100,000 65,000 41'-1" 190 lbs 12'to 20' sj 0° 14 6 66 DET3-40-125 Nat or Prop 82,000 41'-1" 190 lbs 13'to 23' m 0° 20 6 76 ° 125,000 ' 45 Mounting Angle' DET3-40-150 Nat or Prop 150,000 100,000 41'-1" 190 lbs 14'to 25' O 0° 24 6 81 TOP DET3-40-175 Nat or Prop 175,000 125,000 41'-1" 190 lbs 15'to 27' 0'& 0° 34 6 92 DET3-50-125 Nat or Prop125,000 82,000 50'-9" 235 lbs 15'to 27' 0° 20 6 76 Vf FRONT��BEHIND DET3-50-150 Nat or Prop 150,000 100,000 50'-9" 235 tbs 15'to 27' v 0° 24 6 81 -- - DET3-50-175 Nat or Prop 175,000 125,000 50'-9" 235 tbs 16'to 30' Z 0° 34 6 92 _ DET3-50-200 Nat or Prop 200,000 145,000 50'-9" 235 lbs 17'to 35' Qr`` 0° 41 6 94 BELOW DET3-60-150 Nat or Prop 150,000 100,000 60'-5" 265 lbs 16'to 30' J 0° 24 6 81 DET3-60-175 Nat or Prop 175,000 125,000 60'-5" 265 lbs 16'to30' LI' 0° 34 6 92 DET3-60-200 Nat or Prop 200,000 145,000 60'-5" 265 lbs 17'to 35' ,( 0° 41 6 94 'Specify natural(Nat)or propane(Prop)gas. 2 Factory recommended mounting heights are provided as a guideline.Actual conditions may dictate variations from the above data. 4" Refer to DET3 Manual for additional information about clearances for 45°Mounting Angle,0°w/1 Side Shield,0°w/2 Side Shields,and 20 ft.from burner. Always maintain the published clearances to combustibles. Not for residential use. Clearances published in DET3 Series manual and on warning label supersede data shown on this brochure. ® r ;'' DETROIT RADIANT PRODUCTS COMPANY DET3 SERIES www.REVERBERRAY.com m_wca TWO-snct 2'1400 Hoover Road,Warren,Michigan 48089 USA LC, imT[rvsiTVTu¢uicn rr � � IRSC � .1..„,I r.r„.,...,, +1.586.756.0950 I sales@drp-co.com DES3 ---- Form No.LBDET3_2M-5/17(GE) ® 4 0 0 C