Greenheck Fan ATI User's Manual
Contents
1. E 4 UU JOL JOL Model Dimensions B ied A an o oe a ADAN AD actual 1 inches less than unit curb cap 1 p a p nominal wood nailer curbs GPF GPFV GPEX VOF SBATTE AD actual 1 inch less than unit curb cap Xx nominal flanged curbs Ez GPS GPR ATS ATR B AD Dimension 8 inches GPI ATI B AD Dimension 4 inches GPF GPFV B AD Dimension 10 inches GPE GPEX VCE ISB ATE B Same as unit curb cap dimensions Note AD is the actual width and length of the roof curb Roof curbs are typically ordered using the nominal dimension which is equivalent to the unit curb cap dimension GPF TO ORDER PITCHED AND RIDGED CURBS RIDGED The following information is required Co 1 Specify pitched or ridged 2 Include roof rise and run see diagrams This a 5 will be represented as a ratio rise run with run always expressed as 12 units Units of measure must be the same inches centimeters etc EXAMPLE The Pitch of a roof with a Rise of 3 inches and a Run of 12 inches equals a ratio of 3 12 3 When specifying a rectangular curb note f whether the slope runs in the direction of the Run 12 short side or the long side of the curb PITCHED Greenheck s straight sided roof curbs are designed for general exhaust or supply applications 1 Remove roofing material where roof penetration is to be made and provide a 10 inch wide clearance around perimeter of hole i2. Sound Curbs B uilding ed ie Model AT Sound Curbs are designed to reduce fan generated sound traveling down the ductwork without adversely affecting fan performance Air passes between the streamlined baffles allowing the fan sound to be absorbed and dissipated within the curb area preventing it from entering the building Each perforated aluminum baffle section is filled with fiberglass wool Spring steel wire holding clips secure the aluminum baffle The assembly is a rigid durable section which will not warp or twist out of shape The permanently constructed baffles are easy to remove for access to dampers or for occasional cleaning No tools are required Slight pressure is required to spread the spring wire to release it Model ATS This curb is designed for use on flat non insulated roof decks It is mounted directly to the roof with a 1 inch flashing flange then flashed to the top of the wood nailer for weather tightness This style is recommended when height is not objectionable and where smaller roof openings are desired Model ATS consists of welded seams and canted construction which is fully insulated with rigid fiberglass board Model ATR This roof curb is designed for use on flat insulated roof decks It is mounted directly to the deck structure with a 1 inch flashing flange then roofed and flashed to the top of the wood nailer for weather tightness The curb body is recessed into the roof in order to achieve a lo
3. Roof Curbs Extensions anq Equipment Supports f u z OU O lt gt m m Z gt J H GREENHECK Building Value in Air Roof Curbs amp Extensions Prefabricated roof curbs reduce installation time and costs by ensuring compatibility between the fan curb and roof opening A wide variety of roof curbs are available including flanged straight sided canted pitched ridged vented and sound absorbing Extensions raise the fan discharge and can provide an accessible mounting location for dampers Insect screen bases and vented extensions are also available Quick Delivery and Quick Build Programs More than 50 configurations are stocked in our strategically located Greenheck warehouses Greenheck s Quick Delivery QD program includes hundreds of in stock ventilation products and accessories available for shipment to your job site in less than 24 hours Our Quick Build QB program ensures rapid response time with your needs dictating manufacturing time Your custom product configuration can be manufactured in one three five or ten days then shipped to your job site Leading Edge Technical Support When you need extensive product information look no further Greenheck C A PS products are supported by the industry s best product literature including Computer Aided Product Selection catalogs Installation Operation and Maintenance Manuals IOM electronic media Compu
4. e heights include 8 and 12 inches only Model SD and SDP The severe duty curbs are specifically designed for high wind applications up to 150 mph and used on models LDP LBP RSFP H G H GB H CUE H CUBE and USGF fans Model SD is for use on flat roofs and model SDP for pitched roofs They are attached directly to the building structure with extremely high structural design load requirements Maximum design load is 140 psf The severe duty curbs are 12 gauge coated steel with a 1 inch lip on the top and a 4 inch flange on the bottom Available heights include 12 18 and 24 inches only Heights greater than 18 inches are reinforced in the interior with 12 gauge x 2 inch angles Dimensional Data BASIC ADAPTER AND REDUCER ADAPTER DIMENSIONAL INFORMATION Fan curb cap is smaller than existing curb Curbs without wood nailers Adapted 7 curb cap width and length will be Fan sete ia larger 1 2 inch larger than the curb AD an than existing curb dimension j Curbs with wood nailers Adapted wee TT curb cap width and length will be Curb Cap W amp L 1 2 in petein 1 inches larger than the curb AD TR dimensions Adapted Curb Cap W amp L t H Minimum adapted amount 11 2 inches j aD Maximum adapted amount 10 inches BASIC CURB DIMENSIONAL INFORMATION Models Models Models Models GPS GPR ATS GPI GPF GPFV ATI GPE GPEX VCE ISB ATE ATR lt AD gt oe a
5. e pitched roofs They are mounted directly to the roof deck before the insulation is applied then roofed and flashed to the top of the wood nailer for weather tightness Models GPI GPIP and GPIR are standard with fully welded construction 1 inch insulation and 2 inch flashing flange Models are available in heights of 12 to 24 inches Models GPF GPFP and GPFR i d These curbs are designed for non insulated roof decks Model GPF for l flat roofs GPFP for pitched roofs and GPFR is available for ridged double pitched roofs Models are mounted directly to the roof deck then roofed and sealed to the 5 inch flashing flange Models GPF GPFP and GPFR are standard with fully welded construction and 1 inch insulation Models are available in heights of 8 to 24 inches Model GPS The GPS curbs are designed for use on flat non insulated roof decks They are mounted directly to the deck structure with a 1 inch flashing flange then roofed and flashed to the top of the wood nailer for weather tightness For pitched or ridged applications use models GPIP GPIR GPFP or GPFR Model GPS consists of a fully welded body and 1 inch insulation Model GPS is available in heights of 8 to 18 inches Model GPR with raised cant This curb is designed for use on flat insulated roof decks It is mounted directly to the deck structure with a 1 inch flashing flange then roofed and flashed to the top of the wood nailer for weather tightne
6. n roof 2 Apply roofing cement around roof opening 3 Place and center roof curb over hole in roof so it sits on roofing cement Make sure the roof curb is placed over an adequate support structure to handle the weight and wind load of curb and fan assembly 4 Secure roof curb to roof deck using a minimum of three lag screws anchor bolts or suitable metal fasteners per side and two per corner fasteners by others 5 Install insulation if required 6 Field flash flashing should extend at least 4 inches beyond the horizontal flange on roof curb Flashing should also extend over the top flange surface where there is a wood nailer for a leak resistant installation 7 Apply Curb Seal rubber gasket to the top of roof curb to seal fan or ventilator to curb to prevent air leaks and water penetration and to reduce the transmission of vibration from fan to building 8 Place fan or ventilator onto roof curb and center 9 Secure fan s curb cap to the roof curb using a minimum of two lag screws anchor bolts or suitable metal fasteners per side fasteners by others a Notes Wey of e For rubber roofs refer to roof manufacturer for roof curb installation e No replacement parts available e For installation of specialty curbs and high wind curbs see CAPS for installation details Greenheck delivers value top quality innovative air And building owners and to mechanical engineers by related equipment We offer occupants val
7. nsist of welded aluminum or galvanized steel The GPE is designed with an access door to provide easy access to the damper and damper actuator as well as fulfilling additional height requirements The GPEX is also designed to provide additional height requirements without an access door Model VCE The VCE vented curb extension is typically used in kitchen applications where the vents allow hot air and gases to escape between the ductwork and the roof curb Designed for use with an 8 inch high roof curb and Greenheck fan models CUBE CUE or USGF to provide the required 40 inch minimum discharge height above the roof line per NFPA 96 Model VCE consists of galvanized steel or welded aluminum Model ISB Insect screen bases are available for applications where the building must be completely free of insects as in food processing operations Insect screen bases mount between the fan and the roof curb and provide an additional 6 inches of height Two bolted access doors are provided for removal and cleaning of the screen Model ISB is constructed of galvanized steel or aluminum with a fine mesh screen made of aluminum or stainless steel Adapters and Reducers Used to adapt or reduce the standard fan curb cap dimensions to a nonstandard specified curb size within 10 inches of standard Adapters and reducers are most commonly used to match new fans to existing roof curbs Construction consists of welded galvanized steel or aluminum
8. rong square curb OPTIONAL DAMPER TRAY Designed to hold a standard Greenheck damper The design includes flanges which allow the damper to be placed in the tray and fastened OPTIONAL COATINGS A wide variety of coatings and colors are available Decorative coatings are available in sixteen standard colors Protective coatings are available in five electrostatically applied OPTIONAL CURB SEAL This rubber seal between powders providing a selection for the fan and the curb cap is available to ensure most environments proper performance of the fan The seal also helps prevent insects and moisture from entering and All lati coatings and relative resistance reduces vibration transmission in the ductwork charts can be found in Greenheck s Product Application Guide for OPTIONAL LINER Double Shell Available for Performance Coatings for Ventilation installations where it is not desirable for insulation Products to be exposed to the airstream OPTIONAL SECURITY BARS Model GPI with security bars is available up to 50 by 92 inches to prevent unlawful entry The bars consist of 1 2 inch diameter A 36 mild steel welded 6 inches apart from one another and are powder coated Roof Curbs ECK ilding E Models GPI GPIP and GPIR These curbs are designed for roof decks covered with 2 to 6 inches of insulation Model GPI is for use on flat roofs GPIP for pitched roofs and GPIR is available for ridged doubl
9. ss For pitched or ridged applications use models GPIP GPIR GPFP and GPFR Model GPR has fully welded construction and 1 inch insulation Available heights for model GPR are 8 to 18 inches The raised cant is available up to 6 inches in height Model GPFV The GPFV vented roof curb is typically used for kitchen applications the vents allow hot air and gases to escape between the ductwork and roof curb This curb is designed for use with Greenheck fan models CUBE CUE or USGF to provide the required 40 inch minimum discharge height above the roof line per NFPA 96 This curb is to be used on non insulated flat roof decks Model GPFV is mounted directly to the roof deck structure roofed to the vertical surface and sealed to the 5 inch flashing flange It is available in nine different sizes Equipment Supports and Curb Extensions Models GESS and GESR These equipment supports are designed for use on both insulated GESR and non insulated GESS flat roof decks They are mounted directly to the deck structure then roofed and flashed for weather tightness A variety of sizes and widths are available Refer to CAPS for more details Models GESS and GESR are available in welded aluminum or galvanized steel Available in heights of 8 12 and 14 inches and widths of 4 6 and 8 inches Models GPE and GPEX The extended base models mount between the fan and roof curb Heights range from 12 to 24 inches in 1 2 inch increments Models co
10. ter Aided Product Selection CAPS program and more All of these can be found at www greenheck com Count on personal service and expertise from our national and international representative organizations To locate your nearest Greenheck representative call 715 359 6171 or visit our website at www greenheck com Model Number Code Square Curbs Rectangular Curbs GPI R 34 24 G 12 PI P 30 x 42 22 x 34 A 12 Curb C ur Nominal Material urb Di a Model Curb Size A Aluminum Height A PRA s l Unit curb cap G Galvanized Curb Nominal Tray Material P Pitched Optional Model Curb Size Size A Aluminum R Ridged Damper Unit curb cap G Galvanized Tray Size Shown only when specified Model GPI Standard Construction Features INSULATION Ridged fiberglass insulation is standard on LAP JOINTS Wood all GPI curbs The insulation is securely attached at both the nailers attached to GPI top and bottom with an insulation tray so it will not have any curbs consist of notched exposed ends Three pound density insulation is available in and lapped joints to ensure 1 1 and 2 inch thicknesses strength and durability CONSTRUCTION Curb sizes under 50 inches square are 18 gauge galvanized steel or 0 064 aluminum Curb sizes 50 inches square and greater are 16 gauge galvanized steel or 0 080 aluminum FORMED BODY CURB Curbs are perfectly formed on three sides and have only one welded seam to ensure a st
11. ue the energy helping them solve virtually extra value to contractors efficiency low maintenance any air quality challenges by providing easy to install and quiet dependable operation their clients face with a competitively priced reliable they experience long after the comprehensive selection of products that arrive on time construction project ends Bae 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 i z Prepared to Support specifications without notice Green Building Efforts Roof Curbs Rev 4 August 2008 RG P O Box 410 Schofield WI 54476 0410 Phone 715 359 6171 greenheck com Copyright 2008 Greenheck Fan Corp
12. wer overall height Roof openings must be as large as the curb body Model ATR consists of continuous welded seams and canted construction which is fully insulated with rigid fiberglass board Model ATI ATIP and ATIR These curbs are designed for roof decks and consist of continuous welded seams Model ATI for use on flat non insulated roofs ATIP for pitched roofs and ATIR for ridge double pitched roofs They are mounted directly to the roof deck with a 2 inch flashing flange before the insulation is applied then roofed and flashed to the top of the wood nailer for weather tightness Model ATE Sound attenuating curb extensions are designed to reduce fan generated sound traveling down the ductwork Model ATE is an extension to be mounted between the fan and the roof curb It is available in heights of 18 to 24 inches Special Purpose Roof Curbs Model H GPF This roof curb is specifically designed for high wind applications up to 150 mph used on fan models H G H GB H CUE and H CUBE Standard height is 12 inches fully welded straight sides with a 5 inch flashing flange See CAPS for required installation details Model GPSHL This prefabricated roof curb is specifically designed for heavy weight fans such as the model LSF and Greenheck s Lab Exhaust units GPSHL is available in 16 gauge galvanized steel and 0 080 aluminum construction Included are curb side reinforcement angles approximately every 12 inches Availabl
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