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PN 458294
Model Proximity (Backshelf)
®
Kitchen Hoods
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.
Please record the Serial, Model #, and Mark for the hood an
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Table of Contents Receiving and Handling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 Hood Weights . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 Hood Installation Overv
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Receiving and Handling Upon receiving the equipment, check for both obvious and hidden damage. If damage is found, record all necessary information on the bill of lading and file a claim with the final carrier. Check to be sure that all parts of the shipment, including accessories, are accounted for. STORAGE If a kitchen hood must be stored prior to installation it must be protected from dirt and moisture. Indoor storage is recommended. For outdoor storage, cover the hood with a tarp to keep
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Installation NOTE: If you have a Back Supply Fig. 1 Plenum, this must be installed before the hood. Please see page 8 now. Prior to installation, check with local authorities having jurisdiction on clearances to combustible surfaces. With the hood still inside its packing crate, position the unit beneath its installation location. Carefully remove the packing crate. Place some protective material on the floor next to the crate to avoid damaging the hood as it is tipped on its side (Fig.
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End Filler Panel Installation Instructions End filler panels may be shipped loose for field installaton or are facory mounted to the hood. If fillers are factory mounted to hood, skip this section. 1. Uncrate the hood and lay it on the floor with protective material between the hood and the floor. 2. Bolt the filler panels together with 5/16 in. bolts from the hardware package. 3. Position the filler panels on the hood and tack-weld them to the appropriate side of the hood. 4. To allow for ea
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Ductwork Exhaust As specified in NFPA 96, Ch. 7.5 (latest edition), exhaust duct systems must be constructed in the following manner: Materials. Ducts shall be constructed of and supported by carbon steel not less than 1.37 mm (0.054 in.) (No. 16 MSG) in thickness or stainless steel not less than 1.09 mm (0.043 in.) (No. 18 MSG) in thickness. Installation. All seams, joints, penetrations, and duct-to-hood collar connections shall have a liquid-tight continuous external weld. Supply Supply d
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External Supply Plenum Installation The purpose of the external supply plenum is to provide make-up air to an exhaust hood to maintain the air balance in the space. The external supply plenum must be hung independent of the hood. Follow the instructions for hanging the following supply plenums: Horizontal, Air Curtain and Variable. See page 8 for Back Supply Plenum. If an external supply plenum is not provided, skip this section. Installation Instructions Support plenum from all hangers prov
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STEP 1 STEP 1 (IF MODULE < 6 ft.) (IF MODULE > 6 ft.) Installing the Back Supply Plenum STEP 2 Installing the Supply Duct Collar L (MODULE WIDTH) 1. Find the center of the Back Supply Plenum. L (MODULE WIDTH) L/4 2. If the Back Supply Plenum is less than 9 ft. 10 in. (299.72 cm) long, L/2 L/2 L/2 cut opening at the suggested location, centering the opening over the center of the Back Supply Plenum. (Fig. 9) L/2 3. If the Back Supply Plenum is greater than 9 ft. 10 in. (299.72 cm) long, divide
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Hanging the Hood with Back Supply Plenum Before hanging the hood according to the hood installation instructions, please check the following: 1. Make sure the back supply unit is properly secured, as described in steps 5 and 6, page 8. 2. Any filler panels should be attached to the hood before the hood installation. To hang the hood: 1. Lift the hood and position it so the top of the hood is even with the back supply (Fig. 13). This height should correspond to the UL hanging height of the
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Full Enclosure Panels Before installing the enclosure panels, make sure the hood is hung in position with all the ductwork attached and fire system connections completed. 1. Tack-weld or clamp end enclosure panels onto standing seam (clamps provided). 2. Attach the end enclosure panels to the wall (fasteners by others). 3. Position the front enclosure panel(s) on the hood and bolt to the end enclosure panels with the 5/16 in. bolts provided. 4. Tack-weld or clamp the front enclosure panel(s)
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Plate Shelf with Duct Enclosure Panels Before installing the enclosure panels, make sure the hood is hung in position with all the ductwork attached and the fire system connections completed. Plate shelf will be factory mounted to hood (shown loose). 1. Tack-weld or clamp end enclosure panels into place (clamps provided). 2. Attach the end enclosure panels to the wall (fasteners are not provided). 3. Position the front enclosure panel(s) on the hood and bolt to the end enclosure panels with t
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Passover Shelf with Duct Enclosure Panels Before installing the enclosure panels, make sure the hood is hung in position with all the ductwork attached and fire system connections completed. 1. Attach mounting channels to the wall in the correct location. 2. Fasten end and front enclosure panels to Passover shelf with fasteners provided. 3. Bolt front and end enclosure panels together with the 5/16 in. bolts provided in the hardware package. 4. Place enclosure assembly on hood top, tack-weld
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Backsplash Panel Installation Instructions 1. Layout backsplash panels FLAT BACKSPLASH PANEL according to Fig. 18 FLAT BACKSPLASH PANEL MATERIAL GAUGE — STAINLESS MATERIAL GAUGE — STAINLESS Note offset in panel for overlap. LENGTH QTY WALL Inches Millimeters If the backsplash panel length WALL <= 48 <= 1219.2 1 is greater than 46 in. (1168.4 >48<=94 >1219.2<=2387.6 2 mm), it will be shipped in >94<=141 >2387.6<=3581.4 3 HEIGHT >141<=188 >3581.4<=4775.2 4 HEIGHT multiple pieces. Be sure off
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Duct Collar Installation Exhaust Ducts 1. If the exhaust duct has been factory mounted, skip this section. 2. The exhaust duct must be located within the shaded region of Fig. 20. Note dimensions. Dimension Y assumes a 3 in. (76.2 mm) integral airspace on the hood back. When no 3 in. (76.2 mm) integral airspace is present, Y=0 in. (0 mm). 3. Cut out appropriate size hole to match the duct collar provided. 4. The exhaust duct connection is to be a continuous liquid-tight weld. x HANGER BRACKE
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Exhaust Air Balancing Baffles (EABB) This is a guide to assist in determining if multiple hoods on one fan can be balanced to have equal static pressure. For multiple hoods on one fan to achieve their designed exhaust flow, all of the hoods must have equal static pressure at their designed exhaust flow. The laws of physics force the static pressure for each branch of a duct system on one fan to always be equal. This will happen by the flow rate increasing in low static branches and decreasin
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Balancing the Kitchen Exhaust System A. To determine the proper dining room air balance: 1. Refer to engineering drawings to determine total exhaust CFM from dining areas. (Exhaust fans, heating and air conditioning units, restrooms, etc.) 2. Determine the total CFM of make-up air supplied to dining area. 3. Subtract #1 from #2 above. If the result is a negative number, a negative pressure is present in the dining area. In this case, kitchen exhaust odors could be drawn from the kitchen to the
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Measure the velocity of each location. A digital 2.75 in. (70 mm) rotating vane anemometer or equivalent Rotating Vane Anemometer is suggested. The center of the anemometer should be held 2 in. (50 mm) from the face of the filters as shown in Fig. 22. It is helpful 2 in. to make a bracket to keep the anemometer at the 2 in. (50 mm) Fig. 22 distance and parallel to the filter. Both squareness and distance are very important for accuracy. Calculate the average velocity for the filter.
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B. Supply (If Applicable): Example for Perforated Face Supply 1. Hood set up If the make-up air unit has a temperature control, it should be used to keep the supply air at the desired room discharge air temperature. 2. Measure Velocities Divide the perforated face panel into a grid of equal areas, each approximately 4 in. (100 mm) square. Measure the velocity at the center of each grid area. A digital 2.75 in. (70 mm) rotating vane anemometer or equivalent is suggested. The center of the a
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Testing Hood Air Volume Baffle Filters Style Hoods with the Shortridge Meter A. Exhaust With all the filters in place, determine the total hood exhaust volume with a shortridge meter as follows: 1. All cooking equipment should be on. If the hood has internal short circuit make-up air, it should be turned off. 2. Measuring Velocities • Set up the shortridge meter. • For 20 in. (500 mm) wide filters, position the grid as shown in Fig. 24 and 25. Average two measurements. • For 16 in. (400
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High Velocity Cartridge Filters A. Exhaust 1/4 Width 1/2 Width With all the filters in place, determine the total hood exhaust 1/4 Width volume with a rotating vane anemometer as follows: 1/2 Height 1. All cooking equipment should be on. If the hood has internal short circuit make-up air, it should be turned off. Inlet Height 2. Measuring Velocities • Velocity measurement should be taken at three locations per filter. Fig. 27 These must be over the inlet opening as shown in Fig. 27. Filter
