Table of Contents
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Installation, Operation and Maintenance Manual
Please read and save these instructions for future reference. Read carefully before attempting to assemble, install,
operate or maintain the product described. Protect yourself and others by observing all safety information. Failure
to comply with these instructions will result in voiding of the product warranty and may result in personal injury
and/or property damage.
Type I
General Safety Information
Only qualified personnel should install this system.
Personnel should have a clear understanding of these
instructions and all applicable local and national
building and fire codes. Personnel should be aware
of general safety precautions. SMACNA guidelines
should be followed for hanging and supporting the
hood. If more information is needed, contact a licensed
professional engineer before moving forward.
DANGER
Always disconnect power before working on or near
any electrical components in the hood. Lock and tag
the disconnect switch or breaker to prevent accidental
power up.
NOTE
Follow all local electrical and safety codes, as well
as the National Electrical Code (NEC), and the
latest edition of the National Fire Protection Agency
Standard for Ventilation Control and Fire Protection
of Commercial Cooking Operations (NFPA 96). Follow
the Canadian Electrical Code (CEC) and ULC-S650 if
installing this product in Canada.
Type II
NOTE
All information with regards to the self-cleaning Auto
Scrubber hoods and controls can be found in the
Auto Scrubber hood and Auto Scrubber control panel
installation, operation and maintenance manuals.
These are available on the Accurex website,
www.accurex.com.
NOTE
All information with regards to energy recovery grease
filters (ERF) and ERF hoods and controls can be found
in the Energy Recovery Filter installation, operation
and maintenance manuals. These are available on the
Accurex website, www.accurex.com.
Kitchen Hoods • Type I and Type II
Document 470399
Kitchen Hoods
Type I and Type II
1
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Table of Contents
Related Manuals for Accurex XBEW
Summary of Contents for Accurex XBEW
- Page 1 SMACNA guidelines installation, operation and maintenance manuals. should be followed for hanging and supporting the These are available on the Accurex website, hood. If more information is needed, contact a licensed www.accurex.com. professional engineer before moving forward.
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Page 2: Table Of Contents
If damaged, Wall or Single Island Canopy Hoods immediately contact your Accurex Representative. Any Hood Installation Overview ....5-6 physical damage to the unit after acceptance is not the Filler Panel Installation . -
Page 3: Canopy Hood Weights
67 lbs + 30 lbs/ft XBEW 51 kg + 33 kg/m 57 kg + 34 kg/m 63 kg + 36 kg/m 68 kg + 37 kg/m 74 kg + 39 kg/m 80 kg + 40 kg/m 86 kg + 42 kg/m... -
Page 4: Proximity Hood Weights
Proximity Hood Weights Base Weight and Weight per Length based on Hood Depth Hood Model 23 to 25 in. 26 to 28 in. 29 to 32 in. 33 to 36 in. .584 to .635 m .660 to .711 m .737 to .813 m .838 to .914 m 28 lbs 30 lbs... -
Page 5: Supply Plenum
Prior to Installation Wall or Single Island Canopy Hoods Hood Installation Overview Prior to installation, check with the Authorities Having Jurisdiction (AHJ) on clearance requirements to 1. If the hood is provided with filler panels, shipped structures surrounding the hood and other equipment. loose, install them now. - Page 6 Wall or Single Island Canopy Hoods - continued 13. If the hood is a Type I hood, it will require a fire NOTE suppression system. Once the Type I hood(s) If the hood is supplied with ceiling enclosures, the and ductwork are fully installed, appliances are height of the enclosures will typically be the distance in place and walls are complete, the fire system from the ceiling to the top of the hood.
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Page 7: Filler Panel Installation
Filler Panel Installation Clearance Reduction Methods TOP CLEARANCE REDUCTION OPTIONS 1. Uncrate the hood and lay it on the floor with Clearance reduction methods have been evaluated and protective material between the hood and the floor. tested and are listed by UL (Underwriters Laboratory). The method of test was derived from the UL 710 test 2. -
Page 8: Installing Duct Collars
Installing Duct Collars Back and Front Clearance Reduction Options One inch (2.54 cm) layer of insulation in 3 in. (7.62 cm) Exhaust Duct Collars back stand-off meets zero inch requirements for 1. The exhaust duct connection needs to be located clearance to combustible surfaces as outlined under within 48 in. -
Page 9: Installing The Back Supply Plenum
Installing the Back Supply Plenum Ductwork Install the Supply Duct Collar Exhaust - As specified in NFPA 96, Ch. 7.5 (latest edition), exhaust duct systems must be constructed in 1. Find the center of the back supply plenum. FIG. 12 FIG. -
Page 10: Installing Front/Side External Supply Plenums
HANGING METHODS FOR SUPPLY PLENUMS ASP, FSP AND VSP OPTION #1 = HANGING CLIP OPTION #2 = UNI-STRUT Installing Front/Side External Supply Plenums OPTION #3 = THREADED ROD Using Uni-strut 1. Insert 1/2 in. (12.7 mm) diameter threaded rod (by others) into hanger brackets on the external supply plenum top. -
Page 11: Installing Backsplash Panels
Installing Backsplash Panels Flat Backsplash Panel Insulated Backsplash Panel Material: Stainless Material: Stainless 1 IN. (25.4 MM) Insulation: 1 in. (25.4 mm) WALL ENERS HOLDING THE UPPLY TO THE WALL HEIGHT 31.25 INCH CRITICAL DIMENSION LENGTH NOTE NOTE • Backsplash length up to 47.25 inches (1200.15 mm) Panels up to 45 in. -
Page 12: Installing End Skirts
Installing End Skirts 31.25 INCH CAUTION CRITICAL DIMENSION 1. After the hood is hung in position, line up the top of For multiple hood systems that have more than 14 the end skirt with the end panels of the hood. lights total, incandescent, the hood lights must be wired to multiple circuits. -
Page 13: Installing Enclosure Panels
Installing Enclosure Panels Before installing the enclosure panels, make sure the hood is hung in position with all the ductwork attached and all fire system and electrical connections completed. 1. Position the end enclosure panels on the hood, and clamp into place with clamps provided or tack-weld the panels into place. -
Page 14: Double Island Canopy Style Hoods
Double Island Canopy Style Hoods Proximity (Backshelf) Hoods A proximity style hood is designed to be mounted close NOTE to the cooking appliance Before hanging the hoods, please verify the hood and typically incorporates marks to ensure the correct hood is hung on the underhang instead of correct side. -
Page 15: Plate Shelf With Duct Enclosure Installation
Balancing the Kitchen Plate Shelf with Duct Enclosure Installation Exhaust System If the proximity hood is provided with a plate shelf, this will be factory mounted to the hood (shown loose in To determine the proper dining room air figure below). Similar to the standard enclosure panel balance: installation procedures, make sure the hood is hung in position with all the ductwork attached and fire system... -
Page 16: Testing Hood Air Volume - Procedures
Testing Hood Air Volume the anemometer at the 2 in. (50.8 mm) distance and parallel to the filter. Both squareness and distance are Baffle Filter - Rotating Vane Method very important for accuracy. Rotating Vane With all the filters in place, determine the total hood Anemometer exhaust volume with a rotating vane anemometer as Rotating Vane... - Page 17 FIGURE 6.3 VELGRID ASSEMBLY Baffle Filter - Shortridge VelGrid Method Place standoff spacers against Edge of outlet/inlet face of outlet or inlet grill, With all the filters in place, determine the total hood active face area filter, coil, etc. exhaust volume with a Shortridge meter as follows: Maintain 1½...
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Page 18: With Grease-X-Tractor Filters (Xx Series)
Grease-X-Tractor™ High Efficiency Filters or Fig. 14 Grease Grabber™ Multi-Filtration System - 1/2 Width 1/4 Width 1/4 Width Rotating Vane Method 1/2 Height With all the filters in place, determine the total hood exhaust volume with a rotating vane anemometer as Rotating Vane Anemometer follows:... - Page 19 Grease-X-Tractor™ High Efficiency Filters or Imperial Metric Nominal Filter Size (H x L) Grease Grabber™ Multi-Filtration System - Conversion Conversion Inches Millimeters Factor Factor Shortridge VelGrid Method 16 x 16 400 x 400 1.53 .142 With all the filters in place, determine the total hood exhaust volume with a Shortridge meter as follows: 16 x 20 400 x 500...
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Page 20: Perforated Face Supply/External Supply Plenum
Perforated Face Supply or External Supply 4. Calculate the perforated panel volume using the following formula: Plenum - Rotating Vane Method CFM = avg. velocity x length (in.) x height (in.) x 0.005 1. Hood set up. /hr = avg. velocity x length (m) x height (m) x 0.72 Turn on both exhaust and supply air. - Page 21 Perforated Face Supply or External Supply 4. Calculate the perforated panel volume using the following formula: Plenum - Shortridge VelGrid Method CFM = avg. velocity x length (in.) x width (in.) x 0.005 1. Hood set up. /hr = avg. velocity x length (m) x width (m) x 0.72 Turn on both exhaust and supply air.
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Page 22: Exhaust Air Balancing Baffles
Exhaust Air Balancing Baffles Refer to the examples. Example 1: This is a guide to assist in determining if multiple Hood 1: Ps = 0.58 in. wg hoods on one fan can be balanced to have equal static Duct Velocity = 1900 ft/min. pressure. -
Page 23: Wiring Diagrams
Wiring Diagrams Amerex Wiring Plan View POWER SOURCE MANUAL RESET RELAY ELECTRIC GAS VALVE MICROSWITCH INSTALLER PROVIDED JUNCTION BOXES BASIC WIRING DIAGRAM POWER SOURCE MANUAL RESET RELAY RED (COMMON) YELLOW (N.O) BLACK (N.C.) GAS VALVE NOTE: DO NOT USE YELLOW WIRE ON MICROSWITCH IN NORMAL MICROSWITCH INSTALLATION. -
Page 24: Ansul Wiring Plan View
Field Wiring for the Ansul Snap-Action Switch Ansul Wiring Plan View Snap-Action Switches may be wired as shown. Manual Reset Relay Typical examples shown. Part No. 426151 Ansul Snap-Action Switch Black Part No. 423878 Equipment Power to cooking Switch contacts shown with Ansul Power equipment Reset... -
Page 25: Wiring Plan View For Kitchen Systems
Overall Wiring Plan View for Kitchen Systems with Make-Up Air Control Centers - Type I In this arrangement, single-point power to the make-up air (MUA) unit is fed to each individual exhaust fan disconnect from exhaust fan starters within the MUA control center. This arrangement can be used for constant volume systems only. -
Page 26: Wiring For Switch Panels And Circuit Diagrams
CONTROL WIRE respective exhaust starters located in MUA control center. LIGHTS FANS HEAT/COOL Overall Wiring Plan View for Switch Panels HOOD LIGHTS SWITCHES The diagrams below show typical wiring for combined event the fire system is activated. The fire suppression FIRE FOR LIGHTS SUPPRESSION... -
Page 27: Maintenance
Maintenance Fig. 21 - CORRECT Daily Maintenance UPPER HANGER 1. Wipe grease from exposed metal surfaces on the UPPER hood interior using a clean, dry cloth. HANGER UPPER HANGER 2. Visually inspect the filters for grease accumulation. FIG. 9 FIG. 10 UPPER HANGER 3. - Page 28 R DIFFUSERS FIG. 53 FIG. 54 FIG. 55 Step 3 Frequent Maintenance 2. Lifting the lower edge of the filter past the NOTE grease trough, continue Required washing frequency is dependent on type of to push the top of the cooking and quantity of food cooked.
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Page 29: Filter Washing Frequency Guide
Filter Washing Frequency Guide NOTE CAUTION Standard cooking will turn the beads yellow in color. To prevent damage to filter media, do not wash Open flame cooking will cause the beads to blacken. second stage filters in detergents that contain Neither affects the performance of the beads. -
Page 30: Troubleshooting
Troubleshooting Problem: Exhaust fan is not operating or is not operating at design levels. Is the fan receiving power? Replace fuses, reset circuit breakers, check disconnect. Is the belt loose or broken? Replace or tighten belt. Is the fan rotating in correct direction? Have the electrician correctly wire the fan. - Page 31 Troubleshooting Problem: Pilot lights are being blown out or cooking equipment is being cooled by make-up air. Try turning off or reducing the amount of make-up air; block off portions of the Are there drafts from make-up air? supply to direct air away from the problem area (test with cardboard first); remove any obstructions in front of supply that directs air toward cooking equipment.
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Page 32: Replacement Parts
As a result of our commitment to continuous improvement, Accurex reserves the right to change specifications without notice. Product warranties can be found online at accurex.com, either on the specific product page or in the Warranty section of the website at Accurex.com/Resources/Warranty.