Engineered Kitchen Ventilation Systems.

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...balance building where customers and employees prefer to dine and work...Our state-of-the-art, computer-aided product select program...

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Nội dung Text: Engineered Kitchen Ventilation Systems.

All the products you need for Engineered Kitchen Ventilation Systems. Make-Up Air & Packaged Rooftops April 2008
Comfortable energy efficient kitchen ventilation starts here. Accurex specializes in ventilation comfort—for restaurants and other food service establishments. Our many top performing kitchen ventilation products reflect the industry’s latest technological advances and will provide you with a fully integrated ventilation system that results in a positive, balanced building where customers and employees prefer to dine and work. Our state-of-the-art, computer-aided product selection program (CAPS) helps you select and configure products for your system, view real-time drawings and create AutoCAD files quickly. You’ll also like the friendly, responsive customer service we provide. Your Accurex representative is just a phone call or e-mail away, and is always well prepared to help you design a ventilation system that reduces future energy and operating costs. We listen to you, our customer, when designing our diverse product line. Accurex believes in continuous improvement. Our engineers are constantly developing and redesigning products, responding to the needs of our customers. Extensive prototype modeling and testing, results in products that have higher efficiencies with lower installation and operating costs. Accurex engineers are focused on delivering reliable and convenient products that result in a positive ventilation experience. Reliability and top performance are ensured through extensive testing. Accurex products are comprehensively tested for structural integrity, aerodynamic performance, sound levels, mechanical operation, vibration, temperatures, environmental impact and more. Fans are tested in two on-site air chambers and a sound testing facility. Accurex products carry several certifications including AMCA, UL, and ETL. A single source for all your kitchen ventilation needs. Whether it’s a large project or a small one, Accurex will build and deliver your entire kitchen system quickly and efficiently. Our products range from kitchen hoods, exhaust fans, dedicated make-up air, packaged rooftops, controls, variable volume systems, fire suppression, utility distribution and more. []
Selection Chart Table of Contents Model Heating Type Cooling Type Maximum Performance Pages Features 4-8 XKFSB Untempered Untempered 9,800 cfm 2 in. wg Performance 48-51 Features 4-8 XKFSD Untempered Untempered 2,300 cfm 1 in. wg Performance 48-51 Features 10-21 XDGK Direct Gas-Fired Untempered 8,500 cfm 800,000 BTU/hr Performance 52 Features 10-21 XDG Direct Gas-Fired Evaporative 15,000 cfm 1,600,000 BTU/hr Performance 53-54 Evaporative Features 10-21 XDGX Direct Gas-Fired Chilled Water 15,000 cfm 2,000,000 BTU/hr Performance Direct Expansion (DX) 54-55 Features 22-31 XIG Indirect Gas-Fired Evaporative 7,000 cfm 400,000 BTU/hr Performance 56-57 Evaporative Features 22-31 XIGX Indirect Gas-Fired Chilled Water 15,000 cfm 1,200,000 BTU/hr Performance Direct Expansion (DX) 58-59 Electric Evaporative Features Hot Water 32-37 XMSX Chilled Water 15,000 cfm 220 kW Steam Performance Untempered Direct Expansion (DX) 60-61 Features 38-41 XVPR Indirect Gas-Fired Direct Expansion (DX) 12,000 cfm 44 kW Performance 62 Features Roof 42-44 NA NA NA NA Curbs Performance NA []
Untempered Make-Up Air Units XKSFB and XKSFD models are UL Listed XKSFD and XKSFB models are ETL Listed. for electrical (UL US 705) File no. E40001. * UL is optional and must be specified. []
Untempered Model Overview Accurex’s untempered make-up air units are specifically designed to provide industry leading performance and durability for restaurant and other food service applications. Untempered make-up air units are available in belt drive (XKSFB) and direct drive (XKSFD) arrangements, for maximum performance and flexibility. Eight available blower sizes provide airflow capacities up to 9,800 cfm (16,650 m³/hr) and static pressure capabilities up to 2.0 in. wg (497 Pa). Accurex untempered make-up air units incorporate an industry first hinged design. The hinged design minimizes installation time, while maximizes access to fan and motor assemblies. Accurex’s untempered make-up air units feature: • XKSFB and XKSFD sizes are certified to UL 705 • All blower sizes are tested in our accredited laboratory to ensure accurate fan performance • Casing is constructed of G90 galvanized steel Model Number Code The Model Number Code is designed to completely identify the unit. The correct code letters must be specified to designate belt or direct drive, configurations and size. XKSFD - 70 - H05 Model Housing Size XKSFB - Belt Drive 05 — 25 XKSFD - Direct Drive Blower Size 70 — 118 []
Untempered Model Comparison XKSFB. XKSFD. XKSFB / XKSFD Model XKSFB (belt drive) and XKSFD (direct drive) supplies untempered make-up air where needed. Choose from a downturned or extended weatherhood. Both are designed to provide compliance to NFPA 96 when used with a combination package. Horizontal and downblast discharge arrangements are available. Airflow ranges from 800 to 9,800 cfm (1,359 to 16,650 m³/hr). Standard Construction Features Lifting Lugs – Located on the base rail for ease of Blower Assemblies – Double-width, double inlet rigging and installation. forward-curved fans are statically and dynamically Nema-3R Disconnect – Factory mounted and wired to balanced. Ground and polished shafts mounted in the motor. All wiring and electrical components comply permanently lubricated ball bearings, with a minimum with the National Electric Codes (NEC) and are either L(10) life in excess of 100,000 hours, provide UL/C-UL US Listed or Recognized. unparalleled quality and reliability. G90 Galvanized Construction – Provides superior Motor – Energy efficient motors, complying with EPACT corrosion resistance and insures the appearance is standards for single speed ODP and TEFC enclosures maintained for the life of the unit. are carefully matched to the fan load. Single-phase motors provided with the XKSFB and XKSFD are UL Class 2 Washable Filters – Effortlessly removable thermally protected at 2 hp and less. and cleanable one-inch aluminum mesh filters are sized such that air velocities do not exceed 900 fpm. Drive Assembly – Drives are sized for a minimum of 150% of the driven horsepower. Machined cast pulleys Vibration Isolators – True vibration isolators contain are adjustable for final system balancing. Belts are two independent studs with rubber neoprene to static-free and oil-resistant. support the drive assembly and blower, for long life and quiet operation. Hinged Access Door – Allows straightforward access to motor, drives and blowers for maintenance. UL 705 Product Certification – Assures the safety of electrical components and connections within power ventilators. []
Untempered Options and Accessories XKSFB. XKSFD. Accessories Speed Controller – Available on the XKSFD, the Weatherhood – With a combination package, a speed controller provides an economical means of downturn weatherhood provides a minimum of 36 system balancing. inches of vertical separation between supply and exhaust air streams and the extended weatherhood Special Coatings – Permatector™ coating is available provides 10 feet of horizontal separation between supply for a durable, long lasting finish. Decorative coatings and exhaust streams. Both configurations are designed are also available in a variety of colors to match existing to satisfy NFPA 96, simplifying the installation while building fixtures. Consult your Accurex representative meeting codes. for coating selections. Supply Voltages – Multiple voltages in single and Discharge Blower Arrangements – Multiple three phase are available to conveniently match discharge arrangements are available to meet job- building power. specific requirements. Roof Curbs – Prefabricated roof curbs are available Intake Dampers – Powered or gravity dampers prevent to reduce installation time and costs by ensuring unintended air transfer between the outside and space. compatibility between the fan and the roof opening. All curbs are lined with fiberglass insulation to prevent Unit Mounted Control Center – Factory mounted condensation and to reduce sound levels. Combination supply fan starter, overloads, and a Class II transformer packages allow an exhaust fan and make-up air fan for a secondary voltage in the unit. to be mounted on a common curb, with weatherhood options complying with NFPA 96 Standards. See the roof curb section in this catalog for more information. NEMA-3R Remote Starter Control Panel – Provides power to the supply and exhaust fans through either a single-point connection or multiple power connections. Starters, disconnects, Class II transformers, and fusing is provided for each voltage source. • Multiple supply voltages • Wide range of horsepower • Disconnect switch(es) • Control transformer for low voltage remote switching • Terminal strips • Fuse blocks • Electronic motor overload protection []
Untempered Combination Packages XKSFB. XKSFD. 10 ft. Combination Packages With either ten feet of horizontal separation or three Accurex combination packages are specifically feet of vertical separation, Accurex has a combination designed to comply with NFPA 96, which states: package for your requirements. The Accurex • Exhaust duct must terminate at least 24 in. above combination package simplifies installation and the roof deck. reduces field labor costs. This pre-engineered design • Fan discharge must terminate at least 40 in. above offers the benefit of only one roof penetration for both the roof deck. supply and exhaust ducts, while ensuring complete • There must be at least 10 ft. of horizontal or 3 ft. compatibility and interface between the supply fan, of vertical separation between the intake and exhaust fan, curb and combination extension. exhaust discharge. 3 Ft. Vertical Separation - Standard Weatherhood Provides 3 ft. of vertical 3 ft. separation for compliance to NFPA 96. 10 Ft. Horizontal Separation - Extended Weatherhood 10 ft. Provides 10 ft. of horizontal separation for compliance to NFPA 96. Note: Consult local codes and the authority having jurisdiction if there are questions concerning the use of this product. Standard Arrangements Models XKSFB and XKSFD have a compact design that is available in both downblast discharge (arrangement DB) and horizontal discharge (arrangement HZ). Installations may be as stand alone supply fans as pictured at right or as combination packages with exhaust and supply fans on a common curb. Arrangement DB 3 ft. Arrangement HZ []
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Direct Gas-Fired Units XDG and XDGK models shall be ETL Listed to ANSI Z83.4 and CAN 3.7. XDGX shall be ETL Listed to ANSI Z83.4-1999, CSA 3.7-M99 (for 100% outdoor air) or ANSI Z83.18- 2000 (for recirculation). [ 10 ]
Direct Gas-Fired Model Overview Accurex direct gas-fired heaters provide tempered make-up air to restaurant and other food service facilities. Accurex direct gas-fired heaters use an ultra-efficient line burner to reduce energy costs, while maintaining tight temperature control. The line burners are constructed of durable stainless steel mixing plates and cast aluminum manifolds for years of reliable performance. Three models of direct gas-fired make-up air units are available to serve a variety heating and cooling applications. Seven available blower sizes provide airflow capacities up to 15,000 cfm (25,485 m³/hr) and static pressure capabilities up to 2.0 in. wg (497 Pa). A wide range of direct gas-fired line burners, with capacities up to 2,000,000 BTU/hr, provide efficient heating in any climate. Direct-gas-fired heater housings incorporate a flexible design, and are constructed of durable G90 galvanized steel suitable for indoor and outdoor installations. Accurex’s direct gas-fired heaters are available with a wide range of construction and control accessories for maximum flexibility and performance. Accurex’s direct gas-fired make-up air units feature: • High-quality cast aluminum burners with stainless steel mixing plates and Maxitrol electronic modulation burner control • Variable volume ventilation capabilities provide energy savings, increased equipment life and enhance employee comfort • All Accurex direct gas-fired heaters are certified to the ANSI Z83.4 safety standard • All blower sizes are tested in our accredited laboratory to ensure accurate fan performance Model Number Code The Model Number Code is designed to completely identify the unit. The correct code letters must be specified to designate the configurations and size. XDGX - 120 - H32 Model XDGK - Direct Gas-Fired Heating (Economy) XDG - Direct Gas-Fired Heating (Standard) Housing Size XDGX - Direct Gas-Fired Heating (Deluxe) 10 — 32 Models ending in X indicate modular construction Blower Quantity Blower Size 1, 2 or 3 08 — 36 [ 11 ]
Direct Gas-Fired Model Comparison XDGK. XDG. XDGX. XDGK Model XDGK is designed to be the most economical, compact, and simple approach to 100% outdoor air kitchen applications. Airflow voumes range from 1,500 to 8,500 cfm (2,548 to 14,442 m³/hr) with heating capacities up to 800,000 BTU/hr. XDG Model XDG sets the standard for an efficient approach to 100% outdoor air applications. Airflow volumes range from 800 to 15,000 cfm (1,359 to 25,485 m³/hr) with heating capacities up to 1,600,000 BTU/hr. Cooling options: • Evaporative cooling up to 12,000 cfm (20,388 m³/hr) XDGX Model XDGX is a highly configurable, 100% efficient direct gas-fired heating and ventilating unit. It’s modular design provides the most configuration flexibility and expanded heating and airflow capacities, which is designed for providing make-up air to commercial and industrial facilities. In addition to 100% outdoor air operation, variable volume airflow options are available. Airflow volumes range from 800 to 15,000 cfm (1,359 to 25,485 m³/hr) with heating capacities up to 2,000,000 BTU/hr. Cooling options: • Evaporative cooling up to 15,000 cfm (25,485 m³/hr) • Chilled water or direct expansion (DX) cooling up to 11,000 cfm (18,689 m³/hr) • Evaporative cooling options are available for combination heating and cooling requirements. [ 1 ]
Direct Gas-Fired Standard Construction Features XDGK. Durable Construction – Designed for maximum Access Panels – Large access panels are provided for weather resistance, XDGX housings are constructed easy inspection and maintenance of motors, drives, fan of heavy-gauge G90 galvanized steel. Lifting lugs are wheels, filters, and heater controls. standard. XDGX only. Factory Wired and Tested – All Direct Gas-Fired System – Accurex’s direct gas-fired units are tested prior to shipment. make-up air units feature: Units are checked for proper • High-quality cast operation of the gas train, electrical aluminum burners components and airflow. with stainless steel mixing plates, for rust- Weatherhood – A filtered free operation weatherhood with G90 • Maxitrol electronic galvanized steel construction modulation is standard. The filtered burner control weatherhood includes aluminum mesh filters mounted in the • 25:1 turn down ratio intake, eliminating the need for an additional filter section. Control Center – The control center includes the following standard components: Discharge Temperature Control – Control of discharge • Magnetic motor starter air temperature is accomplished with a standard factory • Control transformer installed sensor located at the fan discharge. A Maxitrol 14 system modulates the gas valve to provide the • Disconnect switch desired discharge temperature. Premium grade control components are selected for reliable operation. All electrical components are UL Fiberglass Insulation – Standard 1-inch foil-faced Listed, Recognized or Classified and factory prewired fiberglass insulation is used to line the housing, for single point power connection. preventing condensation and forming an acoustical barrier. Reliable Fan Performance/Durable Construction – Air performance ratings Inlet Air Sensor – An on/off type duct stat automatically from Accurex’s accredited energizes the gas system when the inlet air temperature test chamber ensure falls below the desired setting. accurate data. Double-width, double inlet, forward-curved wheels for high-efficiency and low sound levels are constructed of heavy-gauge steel. Wheels are statically and dynamically balanced to ensure vibration-free operation. The entire fan and motor assembly is mounted on vibration isolators to minimize noise transmission into the building. Adjustable motor sheaves are standard. Designed for maximum weather resistance, XDGK housings are constructed of heavy-gauge G90 galvanized steel. Lifting lugs are standard. [ 1 ]
Direct Gas-Fired Standard Construction Features XDG. XDGX. Durable Construction – Designed for maximum Vibration Isolators – The entire fan and motor weather resistance, XDGX and XDG housings are assembly is mounted on vibration isolators to constructed of heavy-gauge G90 galvanized steel. minimize noise transmission into the building. Lifting lugs are standard. XDGX only. Reliable Fan Performance – Air performance ratings from Accurex’s test chamber ensure Direct Gas-Fired System – Accurex’s direct gas-fired accurate data. make-up air units feature: Double-width, double inlet, • High-quality cast forward-curved wheels for aluminum burners high-efficiency and low sound with stainless steel levels are constructed of mixing plates heavy-gauge steel. Wheels • Maxitrol electronic are statically and dynamically modulation balanced to ensure vibration-free operation. burner control • 25:1 turn down ratio Access Panels – Large access panels are provided for easy inspection and maintenance of motors, drives, fan Control Center – The control center includes the wheels, filters, and heater controls. following standard components: • Magnetic motor starter Factory Wired and Tested – All units are tested prior • Control transformer to shipment. Units are checked for proper operation • Disconnect switch of the gas train, electrical components and airflow. Premium grade control components are selected for reliable operation. All electrical components are UL Listed, Recognized or Classified and factory prewired for single point power connection. [ 1 ]
Direct Gas-Fired Options and Accessories XDGK. XDG. XDGX. Weatherhoods Weatherhoods with standard G90 galvanized steel construction are available. Birdscreen Weatherhood Filtered Weatherhood Louvered Weatherhood The birdscreen weatherhood features The filtered weatherhood includes The louvered weatherhood a wire mesh intake, which prevents aluminum mesh filters mounted in includes a louvered intake and large debris from damaging the filters. the intake, eliminating the need for aluminum mesh filters in a An additional filter section is required. an additional filter section. compact design that requires no additional filter section. V-Bank Filter Section – A V-bank filter section is Filter Section standard on units with a birdscreen weatherhood. Specify either 2-inch washable aluminum mesh filters or 2-inch disposable filters. Duct Adapter – Provides easy means for attaching ductwork to curb and allows installation of top section Weatherhood of duct prior to setting the unit on the curb. Roof Curb – Factory provided roof curbs are available Duct Adapter to ensure compatibility between the make-up air unit and roof curb. Standard construction is G90 galvanized Roof Curb steel and includes 1-inch insulation. Discharge Damper – A discharge damper prevents both backdrafts when the fan is not in operation and Discharge condensation inside the unit during cold weather Damper conditions. A wide variety of backdraft and control dampers are available for field installation. [ 1 ]
Direct Gas-Fired Options and Accessories XDGK. XDG. XDGX. Special Coatings – Permatector™ coating is available Exhaust Fan Starter(s) – Exhaust fan starters are for a durable, long lasting finish. Decorative coatings available factory mounted and wired. Exhaust fan are also available in a variety of colors to match existing starters allow for an electrical interlock between the building fixtures. Consult your Accurex representative for supply and exhaust fan(s). coating selections. Freeze Protection – Electronic freeze protection is Roof Curbs – Factory provided roof curbs are available available to automatically shut down the supply fan to ensure compatibility between the make-up air unit when the discharge temperature is below the adjustable and roof curb. Standard construction is G90 galvanized set point for an extended amount of time. This prevents steel. See the roof curbs section in this catalog for the unit from discharging non-tempered air into the more information. building and freezing pipes and other temperature Duct Adapter – Duct adapter is available with factory sensitive items. supplied roof curbs. The duct adapter allows for easy Inlet Air Sensor (Heat) – The heating inlet air sensor alignment of the supply duct connection. will automatically turn the heat on and off based on the V-Bank Filter Section – V-bank filter sections are outdoor air temperature. available with 2-inch washable aluminum mesh or 2-inch Service Receptacle – A 115 volt GFCI outlet is 30% efficient disposable filters. mounted externally in a NEMA-3R box for the Weatherhoods – Three weatherhoods are available: convenience of service personnel. A separate 115 volt birdscreen, filtered, and louvered. Standard construction power source is required. is G90 galvanized steel. Auxiliary Contacts – Normally open and normally Motorized Dampers – Intake or discharge dampers are closed contacts are available for supply fan status and available to prevent backdrafts when the supply fan is supply fan interlocks. not in operation. Intake dampers are factory mounted Air Filter Gauge – Indicates when filters become and wired. Discharge dampers ship loose for field dirty. An indicator light may be wall/beam mounted or mounting in the supply air duct. provided with a remote control panel. Fiberglass Insulation – One inch fiberglass insulation is Propane Gas – A propane heater may be provided in available to line the housing to prevent the formation of lieu of natural gas. condensation and to form an acoustical barrier. Gas Pressure Regulator – Required if building Double Wall Construction – An interior metal liner is gas line pressure exceeds the maximum inlet gas available to isolate the 1-inch fiberglass insulation from pressure of the make-up air unit. Ships separately for the airstream. field installation. [ 1 ]
Direct Gas-Fired Options and Accessories XDG. XDGX. Temperature Controls Discharge DDC Interface – Discharge Temperature The discharge Temperature Control – temperature can be Control with Room Control of controlled by a DDC Override – The room discharge air signal. The DDC override option, temperature is options provides a factory installed available with the accomplished interface, allowing easy integration Maxitrol 14 system, with a factory installed sensor into your building management boosts the discharge temperature located at the fan discharge. A system. The discharge temperature when the space temperature is too Maxitrol 14 system modulates the can be controlled using a 2-10 VDC cool. Discharge sensor is factory gas valve to provide the desired or 4-20 mA signal. installed. Room sensor may be discharge temperature. wall/beam mounted or included on a remote control panel. Discharge Options Downblast Discharge Horizontal Discharge Upblast Discharge Cooling Options Evaporative Cooling – The optional evaporative cooling section includes a galvanized steel housing with a louvered intake, 2-inch aluminum mesh filters and a stainless steel evaporative cooling module. The evaporative cooling media is Munters GLASdek and has a depth of 12 inches for 90% cooling effectiveness. The entire section mounts directly to the front of the unit, eliminating transition or ductwork by others. Drain and overflow are conveniently tapped through the side of the cooling section. The supply line connection is field located where convenient. Freeze protection, automatic drain & fill, and the Water Wizard™ evaporative optimizer are also available. Cooling Coils – Chilled water or direct expansion (DX) cooling is available (XDGX only). The cooling section includes the cooling coil, sloped stainless steel drain pan and insulated double wall construction. Drain and coil connections are stubbed through the wall for convenience. For proper coil sizing, contact your local Accurex representative. Four-row and six- row chilled water or DX coils are available with airflow capacities up to 11,000 cfm (18,689 m³/hr). Cooling coil sections are installed upstream of the fan section for a draw through arrangement and provide a streamlined transition to adjacent sections. DX coils require remote condensing units. [ 1 ]
Direct Gas-Fired Options and Accessories XDGK. XDG. XDGX. XDGK XDG XDGX Intake Options Birdscreen Weatherhood — Optional Optional Filtered Weatherhood Optional Optional Optional Louvered Weatherhood — Optional Optional Temperature Controls Discharge Temperature Control Standard Optional Optional Discharge Temperature Control w/ Room Override — Optional Optional DCC Room Interface Control — — Optional Discharge Options Downblast Discharge Optional Optional Optional Horizontal Discharge Optional Optional Optional Upblast Discharge — — Optional Combination Package — Optional Optional Cooling Options Evaporative — Optional Optional Direct Expansion (DX) — — Optional Chilled Water — — Optional Accessories Special Coatings Optional Optional Optional Roof Curbs Optional Optional Optional Duct Adapter Optional Optional Optional V-Bank Filter Section — Optional Optional Fiberglass Insulation Optional Optional Optional Double Wall Construction — Optional Optional Exhaust Fan Starter(s) — Optional Optional Air Filter Gauge — Optional Optional Freeze Protection — Optional Optional Inlet Air Sensor – Heat Optional Optional Optional Service Receptacle — — Optional Auxiliary Contacts — Optional Optional Intake Dampers Optional Optional Optional Discharge Dampers — Optional Optional Gas Pressure Regulator Optional Optional Optional Propane Heater Optional Optional Optional Variable Air Volume — — Optional [ 1 ]
Direct Gas-Fired Installation XDGK. XDG. Stand Alone Arrangements Downblast or Horizontal Discharge Models XDGK and XDG are available for stand alone installations with a downblast (arrangement DB) or horizontal (arrangement HZ) discharge. Downblast Discharge - Arrangement DB Horizontal Discharge - Arrangement HZ Combination Packages Kitchen Combination Package The Accurex combination package simplifies installation (model XDG only) and reduces field labor costs. The pre-engineered design ensures that the supply fan, exhaust fan, curb, and combination extension components interface properly for kitchen ventilation applications. Equally important, Accurex combination packages are specifically designed to comply with NFPA 96. Combination Package - Arrangement DBC NFPA 96 states: • Exhaust duct must terminate at least 24 inches Note: Consult local codes and the authority having jurisdiction above the roof deck if there are questions concerning the use of this product. • Fan discharge must be at least 40 inches above the roof deck • Air intake shall have a horizontal separation of 10 feet from the exhaust discharge The combination curb extension is the component that pulls the Combination Package together, providing a factory engineered interface between the roof curb and the fans. With a standard 12-inch roof curb, louvered weatherhood, and Accurex model XRUB exhaust fan, the combination curb extension will ensure Combination Curb Extension compliance to the above NFPA 96 requirements. Roof Curb [ 1 ]
Direct Gas-Fired Installation XDGX. Roof Mounted Installation Downblast, Upblast or Horizontal Discharge Model XDGX is available for stand alone installations as shown below. Downblast (arrangement DB), upblast (arrangement UB), or horizontal (arrangement HZ) discharge may be specified. Upblast Discharge - Arrangement UB Horizontal Discharge - Arrangement HZ Kitchen Combination Package The Accurex combination package simplifies installation and reduces field labor costs. The pre-engineered design ensures that the supply fan, exhaust fan, curb, and combination extension components interface properly for kitchen ventilation applications. Combination Package - Arrangement DBC Equally important, Accurex combination packages are specifically designed to comply with NFPA 96. The combination curb extension NFPA 96 states: is the component that pulls the • Exhaust duct must terminate at least 24 inches Combination Package together, providing a factory engineered above the roof deck interface between the roof curb • Fan discharge must be at least 40 inches above and the fans. It is also designed the roof deck to satisfy NFPA 96 requirements - above the roof line - for kitchen • Air intake shall have a horizontal separation of 10 hood exhaust. feet from the exhaust discharge Note: Consult local codes and the authority having jurisdiction if there are questions concerning the use of this product. Thru-Wall Installation Model XDGX (Housing 12, 22, & 32 only) is available with a pre-engineered thru-wall installation option, which is ideal when a roof penetration is not desirable. Factory options that facilitate easy installation and ensure problem- free operation: Weatherhood – A full down turn design with generous intake area to minimize intake velocity and moisture entrainment. Thru-Wall Sleeve – Sleeve provides attachment interface between weatherhood and burner section. Accommodates walls up to 15 inches in depth. Filter Section – Aluminum mesh media filters outdoor air and strips fine mist from the air. A drain pan weeps moisture out the front of the wall sleeve. [ 0 ]

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