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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 instructions could 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.
Type II
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.
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 XB
Summary of Contents for Accurex XB
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Page 1: General Safety Information
Document 470399 Kitchen Hoods Type I and Type II 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 instructions could result in personal injury and/or property damage! Type I Type II... -
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
53.57 kg/m 56.55 kg/m 61.01 kg/m 65.48 kg/m 68.46 kg/m 40 lbs/ft 44 lbs/ft 48 lbs/ft 52 lbs/ft XB, XK, XXFW 59.53 kg/m 65.48 kg/m 71.43 kg/m 77.38 kg/m 48 lbs/ft 51 lbs/ft 54 lbs/ft 57 lbs/ft XB, XK, XXCW 71.43 kg/m... -
Page 4: Proximity Hood Weights
Proximity Hood Weights Hood weight is determined using a simple formula. Select the figures provided in columns A and B (see tables) from the three respective categories—Hood Width, Filter Type and Hood Height—based on the hood received. Total the three numbers in column A and the three numbers in column B. Place the sum for column A and the sum for column B in the Hood Weight equation where shown and solve for the total Hood Weight. -
Page 5: Prior To Installation
Prior to Installation Wall or Single Island Canopy Hoods Prior to installation, check with the Authorities Having Hood Installation Overview 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 15. If the hood is provided with enclosure panels, NOTE install them now. See page 13, Installing Enclosure All hanger brackets MUST be used and the hood must Panels. be properly supported while lifting to prevent damage 16.
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Page 7: Filler Panel Installation
Filler Panel Installation Clearance Reduction Methods 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 Exhaust Duct Collars
Back and Front Clearance Reduction Options Installing Duct Collars 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 the within 48 in. -
Page 9: Installing The Back Supply Plenum Install The Supply Duct Collar
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. the following manner: 2. -
Page 10: Installing Front/Side External Supply Plenums
Installing Front/Side External Supply Plenums Using the Uni-strut 1. Insert 1/2 in. (12.7 mm) diameter threaded rod (by others) into hanger brackets on the external supply THREADED ROD plenum top. Raise and hang the external supply SUPPLIED BY OTHERS plenum from adequate roof or ceiling supports. NOTE UNI-STRUT (U-CHANNEL) Ensure the external supply plenum is installed... -
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 HEIGHT LENGTH NOTE NOTE • Backsplash length up to 47.25 inches (1200.15 mm) Panels up to 45 in. (1143 mm) wide ship in one piece; wide ship in one piece;... -
Page 12: Installing End Skirts
Installing End Skirts Electrical Connections 1. After the hood is hung in position, line up the top of See pages 25-28 for more wiring details regarding the the end skirt with the end panels of the hood. fire system, fan control and switches. 2. -
Page 13: Installing Enclosure Panels
Installing Enclosure Panels Double Island Canopy Style Hoods Before installing the enclosure panels, make sure NOTE the hood is hung in position with all the ductwork Before hanging the hoods, please verify the hood attached and all fire system and electrical connections marks to ensure the correct hood is hung on the completed. -
Page 14: Proximity (Backshelf) Hoods
Proximity (Backshelf) Hoods A proximity style hood is designed to be mounted close Plate Shelf with Duct Enclosure Installation to the cooking appliance If the proximity hood is provided with a plate shelf, this and typically incorporates will be factory mounted to the hood (shown loose in underhang instead of figure below). -
Page 15: Balancing The Kitchen Exhaust System
Balancing the Kitchen Exhaust System To determine the proper dining room air CAUTION balance: According to NFPA 96, Ch. 8-3 Replacement Air: 1. Refer to engineering drawings to determine total Replacement air quantity shall be adequate to prevent exhaust CFM from dining areas. (exhaust fans, negative pressures in the commercial cooking area(s) heating and air conditioning units, rest rooms, etc.) from exceeding 4.98 Pa (0.02 in. -
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 follows:... - Page 17 Baffle Filter - Shortridge 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...
- Page 18 High Velocity Cartridge Filters - Rotating Vane Fig. 11 Method 1/4 Width 1/2 Width With all the filters in place, determine the total hood 1/4 Width exhaust volume with a rotating vane anemometer as 1/2 Height follows: Inlet Height 1. All cooking equipment should be on. If the hood has internal short circuit make-up air, it should be turned off.
- Page 19 High Velocity Cartridge Filters - Shortridge Meter 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 20: With High Efficiency Filters (Gx And Gg 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 follows: 1. - Page 21 Grease-X-Tractor™ High Efficiency Filters Nominal Filter Size (H x L) Imperial Metric or Grease Grabber™ Multi-Filtration System Conversion Conversion Inches Millimeters Factor Factor Shortridge Method 16 x 16 400 x 400 1.53 .142 With all the filters in place, determine the total hood 16 x 20 400 x 500 2.00...
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Page 22: Perforated Face Supply
Perforated Face Supply - Rotating Vane Method 4. Calculate the perforated face panel volume using the following formula: 1. Hood set up. CFM = avg. velocity x length (in.) x height (in.) x 0.005 If the make-up air unit has a temperature control, it m/hr = avg. -
Page 23: Short Circuit Hoods
Short Circuit Hood Supply - Rotating Vane Method All cooking equipment should be off. The hood exhaust should also be off. 1. Measure Velocities Velocity measurements should be made with a digital 2.75 in. (69.85 mm) rotating vane anemometer or its equivalent. -
Page 24: Exhaust Air Balancing Baffles
Exhaust Air Balancing Baffles This is a guide to assist in determining if multiple Refer to the examples. hoods on one fan can be balanced to have equal static Example 1: pressure. For multiple hoods on one fan to achieve their Hood 1: Ps = 0.58 in. -
Page 25: Wiring Diagrams Amerex Wiring Plan View
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 26: Ansul Wiring Plan View
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 Reset Automan in the cocked position equipment Indicator Brown... -
Page 27: Wiring Plan View For Kitchen Systems
Overall Wiring Plan View for Kitchen Systems with Make-Up Air Control Centers 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 28: Wiring For Switch Panels And Circuit Diagrams
Overall Wiring Plan View for Switch Panels The diagrams below show typical wiring for combined event the fire system is activated. The fire suppression exhaust and supply switching when the switches are micro-switch is provided as part of the fire suppression shipped loose for remote mounting, and for hood system and is normally mounted in the fire system mounted switches. -
Page 29: Maintenance
Maintenance Fig. 19 - CORRECT Daily Maintenance UPPER HANGER 1. Wipe grease from exposed metal surfaces on the hood interior using a clean, dry cloth. UPPER HANGER 2. Visually inspect the filters or cartridges for grease accumulation. CONDENSATE GUTTER 3. Remove grease cup, empty contents and replace cup. - Page 30 2. Lifting the lower edge Step 3 Frequent Maintenance 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. filter into the channel. 3.
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Page 31: 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 32: 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 33 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 34: Replacement Parts
Replacement Parts FILTERS SWITCHES Part Filter Description Part Description Number (Height x Width) Number 457626 16 x 16 Aluminum Baffle Filter 850551 Light Switch Only 457628 16 x 20 Aluminum Baffle Filter 851776 Fan Switch Only 457632 20 x 16 Aluminum Baffle Filter 851777 Light Switch &... -
Page 35: Maintenance Log
Maintenance Log Date ___________________Time _____________ AM/PM Date ___________________Time _____________ AM/PM Notes: ___________________________________________ Notes: ___________________________________________ _________________________________________________ _________________________________________________ _________________________________________________ _________________________________________________ _________________________________________________ _________________________________________________ _________________________________________________ _________________________________________________ Date ___________________Time _____________ AM/PM Date ___________________Time _____________ AM/PM Notes: ___________________________________________ Notes: ___________________________________________ _________________________________________________ _________________________________________________ _________________________________________________ _________________________________________________ _________________________________________________ _________________________________________________ _________________________________________________ _________________________________________________ Date ___________________Time _____________ AM/PM... -
Page 36: Our Commitment
Specific Greenheck product warranties are located on greenheck.com within the product area tabs and in the Specific Accurex product warranties are located on accurex.com within the product area tabs and in the Library Library under Warranties. under Warranties.