Greenheck Fan PN 458294 User's Manual
Contents
1. Weight Width Height pes Po External Supply 556098 Recommended Plenum Type MI Ibs ft kg ft in mm in mm ft m Supply Rate 91 to 145 cfm ft Back Supply 35 0 15 878 6 152 4 Variable Variable 31016 4 88 246 36 m hr Air CurtainSupply 91 to 110 cfm ft 14 inch 9 5 4 31 14 355 6 10 254 3to 16 4 88 186 89 m hr Air Curtain Supply 91 to 145 cfm ft 24 inch 12 5 5 67 24 609 6 10 254 3 to 16 4 88 246 36 m hr 91 to 80 160 cfm ft Variable Supply 16 0 7 26 12 304 8 18 457 20 3to 16 4 88 face 135 92 271 84 m h 91 to 150 cfm ft Horizontal Supply 14 0 6 35 12 304 8 18 457 20 3to 16 4 88 254 85 m hr 6 Proximity Hood 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 plenuman hangers provided 1 If duct collar s is shipped loose place the duct collar s over the opening fastening with tack welds at 1 to 2 in 2 54 to 5 08 cm intervals or sheet metal screws at 3 to 6 in 7 62 to 15 24 cm intervals 2 Insert 1 2 in 12. 26 Wiring for Switch 5 27 Maintenance dI rrmr 28 Grease Grabber M uie sida ide Ue ded e di Rd D oci A Re e A dr doc 29 31 Troubleshooting sisan ua RR RR URS HE CR OR RU 32 34 Replacement Ee cms e Rem RR ERR eee 34 2 Proximity Hood 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 it clean dry and protected from UV Ultra Violet Radiation damage Improper storage which results in damage to the unit will void the warranty 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
3. 6 Electrical Connections a iaa mas xm arai RR ER RERO RR CIL CE a E d 6 External Supply Plenum 5 6 External Supply Plenums 7 Back Supply Plenum Installation 8 Hanging thie 9 Enclosure Panel Installation 5 10 12 Backsplash Panel Installation Instructions 13 Duct Collar Installation 5 14 Exhaust Air Balancing Baffle 15 Balancing the Kitchen 5 16 Baffle Filters 5 2 uel 16 19 High Velocity Cartridge Filters Gk 5 20 21 High Efficiency Filters GX Series 23 Fire Suppression Wiring 5 24 25 Overall Wiring Plan
4. 995809 2 _ f 3 25 in 14 75 in Flow rate for one filter Conversion Factor x Average Velocity 3 0 x 201 5 fpm 604 5 Fig 36 279 x 3385m hr 944m hr i _ Filter 1 Filter X Total hood flow rate Flow Rate Flow Rate 6045 6003 5924 6133 2410 5 944 1020 1006 1042 4012 Proximity Hood Amerex Wiring Plan View POWER SOURCE MANUAL RESET RELAY PRM ELECTRIC GAS VALVE MICROSWITCH INSTALLER PROVIDED JUNCTION BOXES BASIC WIRING DIAGRAM POWER SOURCE MANUAL RESET RELAY RED COMMON uo 12 I Q YELLOW N O BLACK GAS VALVE NOTE DO NOT USE YELLOW WIRE ON MICROSWITCH IN NORMAL MICROSWITCH INSTALLATION THE YELLOW WIRE IS TO BE USED ONLY FOR EXTINGUISHER ALARM LIGHTS CIRCUITS ETC BASIC WIRING DIAGRAM 1 DENOTES FIELD INSTALLATION 2 DENOTES FACTORY INSTALLATION 12872 12873 12874 12875 and 12876 4 K1a and K1b ARE N 0 WHEN K1 IS DE ENERGIZED MANUAL RESET RELAY RED COMMON 120V 60HZ I j C PUSHBUTTON SWITCH YELLOW N O Kib pe amp 1 BLACK N C Q 8 MICROSWITCH CURRENT DRAW MAX 8A RESISTIVE 8A INDUCTIVE GAS VALVE 120VAC SEE NOTE 3 3
5. days 10 Minutes 5 minutes Weekly 10 Minutes Twice a week 5 minutes Daily Daily 15 Minutes minutes Daily Daily 15 Minutes 5 minutes Daily Every 3 days 15 Minutes minutes Weekly 15 Minutes Twice a 5 minutes Daily Daily 25 Minutes 10 minutes Daily Daily 25 Minutes 40 minutes Daily Every 2 days 1 Hour Soak 10 min then scrub with scour pad and bottle brush Daily Every 2 days 1 Hour Soak 5 min then scrub with scour pad and bottle brush Daily 2 Hours Daily Soak 10 min then scrub with Daily 2 Hours scour pad and bottle brush 2 Hours Daily Change hot water every 30 minutes 2 Hours Daily Every 2 days d Niue Soak 10 minutes then scrub every 39 minutes With scour pad amp bottle brush Not Recommended Not Recommended Proximity Hood 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 Is the make up air operating Problems with make up air may interfere with the exhaust fan check the manufacturers installation manual Does the airflow need to be increased Adjust or replace pulleys to increase fan RPM install a larger motor Does the fan vibrate Clean the fan wheel blade repla
6. 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 Leave all holes of Velgrid open Do NOT tape over holes that are not over openings The conversion factor takes this into account Position the grid over each filter as shown Take velocity readings for each filter 3 Calculate each filter s volumetric flow rate by summing the flow rate of each individual filter in the hood 4 Calculate the total hood s volumetric flow rate by Place standoff spacers against face of outlet or inlet grill filter coil ete Edge of outlev iniet active face area Swivel bracket Tubing connectors Extension rods Pushbutton handie and plug Handle bracket summing the flow rate of each individual filter in the hood Fig 29 Note For best accuracy multiply the velocity of each filter by its conversion factor and sum the flow rates Averaging the velocity measured for all filters may cause error Nominal Filter Size H x L Imperial Metric Inches Millimeters Conversion Factor Conversion Factor 16 x16 400 x 400 1 22 ft 113 m2 16 x 20 400 x 500 1 67 ft 155 m2 20 x 16 500 x 400 1 21 ft2 112 m2 20 x 20 500 x 500 1 50 2 139 2 1 2 width Example Measured velocities for 20 x 20 filter 282 fpm 5157 m hr C 1 2 height _ Conversion Average
7. Hood 1 Ps 0 58 in wg 05 0 Loe Duct Velocity 1900 FPM 500 1000 1500 2000 2500 3000 3500 Hood 2 Ps 0 44 in wg oy Duct Velocity 1800 FPM Hood 2 has the lower Ps at 1800 FPM the maximum increase in Ps is 1 17 The range for Hood 2 is 0 44 to 1 61 Hood 1 is less than 1 61 so these hoods can be balanced Example 2 Hood 3 Ps 2 00 in wg Duct Velocity 2000 FPM Hood 4 Ps 0 44 in wg Duct Velocity 1500 FPM Hood 4 has the lower Ps at 1500 FPM the maximum increase in Ps is 81 The range for Hood 4 is 0 44 to 1 25 Hood 3 is higher than 1 25 so these hoods cannot be balanced Note 1 For many systems an EABB may not be needed on the hood that has the highest static pressure The exception to this is if the individual ductwork has uneven static pressures Note 2 When sizing the fan use the static pressure from the highest hood and sum the CFM from all the hoods IL Proximity Hood R Balancing the Kitchen Exhaust System A To determine the proper dining room air balance 1 Refer to engineering drawings to determine total exhaust 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 dining area Therefor
8. Flow rate for one filter Factor Velocity Imperial 1 50 282fpm 423 0 cfm Metric 139 x 5157 m hr 717 m3 hr Total hood flow rate Filter 1 Flow Rate Filter X Flow Rate Fig 30 423 0 421 8 420 7 418 2 1683 7 cfm 717 717 715 711 2860 m3 hr EX Proximity Hood Grease X Tractor High Efficiency Filters or Grease Grabber Multi Filtration System Exhaust With all the filters in place determine the total hood exhaust volume with a rotating vane anemometer as follows 1 All cooking equipment should be off If the hood has internal short circuit make up air it should be turned off 2 Measuring Velocities Measurement should be taken at six locations per filter They must be over the inlet opening as shown in Fig 31 Measure the velocity of each location A digital 2 75 in 70 mm rotating vane anemometer or its equivalent is 1 4 Width 1 2 Width Width 1 2 Height ALMA suggested The center of the anemometer should be held 2 in BO mm from the face of the filters as in Fig 32 It is helpful to make brackets to keep the at the 2 in 50 mm distance and parallel to the filter Both squareness and distance are important for accuracy 3 Calculate the average velocity for the filter Ei pm 4 Determine the filter s conversion factor from the table 5 Calculate each filters volume in CFM by multiplyi
9. Switch Gas Valve 1 See Note 3 Part No 426151 Ansul Snap Action Switch Switch contacts shown with Ansul Automan in the cocked position Option B Relay Part No 426151 Snap Action Switch Part No 423878 Reset Power Indicator L2 Neutral L1 Hot 110 VAC 60HZ Manual Reset Relay Electrical Rating 1 3 HP 10 120 VAC 1 2 HP 10 AMP 240 VAC 13 AMP 28 VDC Gas Valve See Note 3 Note 1 Denotes field installation 2 Denotes factory installation 3 Gas Valves UL Listed electrically operated safety valve for natural or LP gas as needed of appropriate pressure and temperature rating 110V 60HZ or Ansul gas valves Do not use black wire on snap action switch in normal installation Black wire may only be used for extraneous alarm light circuits etc Fig 38 Plan Vi iring Overall W H3MOd AlddNS JO NOLLO3NNOO 0 13 QOOH HO dOL 3dISNISNOLLOSNNOO NO XO NOILOMPIE X0 091V 1v9IH103T13 NV LON SI NVWOLNV InSNV NVWOLNV 90 NO XOSIGNVH ONIYIM 01913 81 dQOOH 01 HOLOVHINOO VOI 10313 STOHINOO HOLOIN HOLIMS NOLLOV dVNS 1 5MV S3HIM 10OHINOO OML NF L TANVd 9IV 3XVVM OL QOOH NO HOLIMS S3HIM 1OH1NOO 9 SAI
10. 177 Metric Volume for one filter Conversion Factor x 1 90 177 Average Velocity 249 8 fpm 4568 m hr 474 6 cfm 809 m3 hr Total hood volume Filter 1 Volume Filter 2 Volume Filter 3 Volume 474 6 455 4 470 1 809 880 799 1400 1 2488 m3 hr Proximity Hood 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 anemometer should be held tight to the face of the panel and parallel to the filter Both squareness and distance are important for accuracy Calculate the average velocity of the panel Measure the length height and width of the perforated face panel 4 Calculate the perforated face panel volume in CFM by using the following formula Volume Avg Velocity Length in Height in 0 005 Volume Avg Velocity Length m Height m 0 72 5 Calculate the system s volume by repeating the process for the remaining panels and adding the individual panel volumes together Filter Readings fpm Filter
11. 21 4023 36 Filter 3 4420 12 Filter 4 4572 00 Average slot velocity for Filter 1 4480 56 4078 22 4846 52 4041 65 4389 12 4005 07 4005 07 3657 60 4114 80 4480 56 Sum of Velocity Readings Number of Readings 23006 6 repeat for each filter 3834 m hr For a nominal filter size of 500 x 500 the conversion factor is 153 Volume for Filter 1 Conversion Factor x Average Velocity 153 3834 m hr 586 7 m hr repeat for each filter Total hood volume _ Filter 1 Filter2 Filter3 Filter 4 Volume Volume Volume Volume 587 642 657 642 2528m hr Grease X Tractor High Efficiency Filters or Grease Grabber Multi Filtration System 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 Setup the shortridge meter Leave all holes of Velgrid open Do NOT tape over holes that are not over openings The conversion factor takes this into account For 20 in 500 mm high filters position the grid as shown in Fig 34 and 35 Average the two measurements For 16 in 400 mm high filters position the grid as shown in Fig 36 For 20 in 500 mm wide filters position the grid over the left and right side of the filter Average the two measurements Tak
12. B GREENHE CK Model Proximity Building Value in Air 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 and other equipment for future reference Serial Model Mark Serial Model Mark Serial 4 Model Mark Serial Model Mark Serial Model Mark Serial 4 Model Mark Serial Model Mark Serial Model Mark N Proximity Hood Table of Contents Receiving and Handling 3 Hood WEIGHTS PD EE Cm 3 laine 4 Hood Installation Ras RR 4 Filler Panels TP 4 5 Hood Hanging 5 Continuous Capture Plenum en C Rae 5 Ductwork e d cl oa Gl ed e
13. GAS VALVE UL LISTED ELECTRICALLY OPERATED SAFETY VALVE FOR NATURAL OR LP GAS AS NEEDED OF APPROPRIATE PRESSURE AND TEMPERATURE RATING 110V 60HZ OR AMEREX GAS VALVES PN 12870 12871 Fig 37 EZ Proximity Hood Ansul Wiring Plan View 2 Snap Action Switches provided by Greenheck may be wired as shown Four typical examples shown Equipment Power to cooking equipment NO _ D Shunt Trip Breaker Input 2 5 Electric gas valve If reset relay is used see option A or B at right Mechanical gas shut off valve does not require electrical connection Alarms Voltage Free Contacts for Building Alarm s Power to Fan s Waterwash Fan Starter T NO 5 Terminal strip in Waterwash Control Panel E NC 4 06 Fans 5 FT NO DA 120 VAC Power to Input E fan s NC cca EE Fan Starter Manual Switch If prohibited by local codes do not shut down exhaust fans with this method of wiring Proximity Hood Option A Relay Part No 14702 K1a and K1b when K1 is de energized Manual Reset Relay q Part No 14702 1 1 Blac BEEN Red pog ki O quU T s 1 Brown Nog H Snap Action Switch L Part No 423878 772 NAS J oe 1 K1b N O Push Button Mx
14. Hood Weight equation where shown and solve for the total Hood Weight A B Category 1 Hood Width in Example A B 23 25 1 3 28 Category 1 Hood Width 23 25 1 3 28 20 n a Category 2 Filter Type Baffle 0 3 0 33 36 1 45 33 5 Category 3 Hood Height 24 27 0 0 Category 2 Filter Type Total Baffle 0 3 0 GX or Cartridge 0 4 0 Grease Grabber 1 0 Category 3 Hood Height in Hood Weight Equation Ib 24 27 0 0 A x Length in B Weight Ib 28 38 0 98 48 10481 39 42 0 24 15 Category 1 Hood Width cm Example A B 58 42 63 50 0 232 12 68 Category 1 Hood Width 58 42 63 50 0 232 12 68 5505 A um 1299 Category 2 Filter Type Baffle 0 054 0 83 82 91 44 0 259 15 18 Category 3 Hood Height 60 96 68 58 0 0 Category 2 Filter Type Total Baffle 0 054 0 GX or Cartridge 0 071 0 Grease Grabber 0 178 0 Category 3 Hood Height cm Hood Weight Equation kg 60 96 68 58 0 000 0 A x Length B Weight kg meee pontea me eea 99 06 106 68 0 043 6 80 EM Proximity Hood Installation NOTE If you have a Back Supply Plenum this must be installed before Fig 1 the hood Please see page 8 now Prior to installation check with local authorities having jurisdiction on clearances to combustib
15. Readings m hr 260 250 255 260 250 255 265 4755 4572 4663 4755 4572 4663 4846 270 275 270 280 265 265 270 4938 5029 4938 5121 4846 4846 4938 290 285 280 280 275 290 295 5304 5212 5121 5121 5029 5304 5395 285 275 280 260 270 265 260 5212 5029 5121 4755 4938 4846 4755 Example Face Supply Hood with three 28 in 711 m Perforated Panels Measured velocities in FPM for one perforated panel _ Sum of Velocity Readings Number of Readings 260 250 265 260 28 4755 4572 4846 4755 28 Average Velocity Imperial 270 7 fpm Metric 4951 m hr Measure Length and Height 28 in 711 m long perforated panels x 16 in 406 m high Volume for one panel gr iiu dide x Length x Height 0 005 270 7fpm x 28 X 16 606 4 cfm 0 72 x 4951 m hr x 711 x 46 1029 m hr Total system volume Panel 1 Volume Panel 2 Volume Panel 3 Volume 606 4 614 3 593 8 1814 5 1029 1044 1009 3082 m3 hr Testing Hood Air Volume Baffle Filters Style Hoods with the Shortridge Meter 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
16. UP TO 46 IN 1168 4 MM WIDE SHIP IN ONE PIECE OVER 46 IN 1168 4 MM IN MULTIPLE PIECES IH Proximity Hood R Duct Collar Installation Exhaust Ducts 1 Ifthe 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 DUCT CUT OUT AREA HANGER BRACKET 4 22 EXHAUST PLENUM j 4 L FRONT OF HOOD 12 in 304 8 mm Fig 20 Yz 3 in 76 2 mm Supply Ducts Proximity hoods do not have integral supply plenums Reference External Supply Plenums Page 7 Fire System Installation The final fire system hook up must be completed at this time Unobstructed access is required for the fire system installer to make plumbing connections to various locations on the hood top Do not install any enclosures until the fire system installation is complete 14 Proximity Hood 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 al
17. not wash second stage filters in detergents that contain hydroxides such as sodium hydroxide or potassium hydroxide Preference Best Worst Washing Equipment Cooking Type Temp Equipment Griddle ux Washer Charbroiler Wok Griddle Low Temp Dish Washer Fryer Chemical i Sanitizer Charbroiler Wok Griddle Power Wash Sink 180 F Fryer Whirlpool Min with Heater Charbroiler Wok Griddle Power Wash Sink Fryer Whirlpool Charbroll no Heater Wok Griddle Pot Sink with Heater rinse with 180 F ed Charbroiler soaking Wok Griddle Pot Sink no Heater Fryer rinse with 140 F y sprayer after soaking Charbroiler Wok Chemical Dish Washer Detergent Dish Washer Detergent Pot amp Pan Detergent Pot amp Pan Detergent Pot amp Pan Detergent and or Degreaser Commercial Grade Kitchen Degreaser Freaie ne Time Baffle Filter or d or Grease X Tractor q Cycles Wash Frequency Every 3 days Every 3 days 2 Cycles 2 Cycles Twice a week Weekly 2 Cycles 1 Cycle Daily Daily 2 Cycles 2 Cycles Daily Daily 2 Cycles 2 Cycles Every 3 days Every 3 days 3 Cycles 2 Cycles Twice a week Weekly 3 Cycles 2 Cycles Daily Daily 4 Cycles 2 Cycles Daily Daily 4 Cycles 2 Cycles Every 3 days Every
18. of Readings 763 778 743 756 Edge of outlet iniet active face area ressure input ports Pushbutton handie and plug Fig 23 17 25 in 10 in Fig 24 187 0 fpm 3420 m hr Average 4 Velocity Fig 251 187 0fpm 448 8 cfm 3420 m hr 763 m3 hr po Filter X Flow Rate 448 8 457 8 437 5 444 8 1788 9 cfm 3040 m hr Fig 26 High Velocity Cartridge Filters Exhaust With all the filters in place determine the total hood exhaust 1 4 Width volume with a rotating vane anemometer as follows 1 2 Width 1 4 Width 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 Velocity measurement should be taken at three locations per filter Fig 27 These must be over the inlet opening as shown in Fig 27 Measure the velocity of each location A digital 2 75 in 70 mm rotating vane anemometer or its equivalent is suggested The center of the anemometer should be held 2 in BO mm from the face of the filters as in Fig 28 It is helpful to make brackets to keep the wine at the 2 in 50 mm distance and parallel to the filter Both squareness and distance are important for accuracy 3 Calculate the average slot velocity 4 Calculate the CFM per linear foot by dividing the average velocity by a conversion factor lis
19. off 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 mm wide filters position the grid as shown in Fig 26 Take velocity readings for each filter Calculate each filter s volumetric flow rate by summing the flow rate of each individual filter in the hood Calculate the total hood s volumetric flow rate by summing the flow rate of each individual filter in the hood Note For best accuracy multiply the velocity of each filter by its Place standoff spacers against face of outlet or inlet grill filter etc Swivel bracket Tubing connectors Extension rods Handle bracket Captive knob screws conversion factor and sum the flow rates Averaging the velocity measured for all filters may cause error Nominal Filter Size H x L Imperial Metric Inches Millimeters Conversion Factor Conversion Factor 16x16 400 x 400 1 66 154 16 20 400 500 2 10 195 m 20 x 16 500 x 400 1 96 182 20 x 20 500 x 500 2 40 223 Example Measured velocities for 20 x 20 filter 185 and 189 fpm Average Velocity Flow rate for one filter Total hood flow rate 185 189 2 3383 3456 2 Imperial Metric Conversion Factor 2 40 x 223 Filter 1 Flow Rate Proximity Hood _ Sum of Velocity Readings Number
20. on fan ing isthe hood performance and hood capture Is there a draft through doors between Decrease make up air in the kitchen increase exhaust air through the kitchen and dining area hood Problem Grease is running off the hood Is there grease on top of the hood Exhaust duct is not correctly welded Is the caulk missing or damaged Clean problem area and re caulk Is the grease cup inserted properly Put grease cup back in place Problem Hood is noisy Is the fan running in the correct direction See exhaust fan troubleshooting section Are the filters in place Replace missing filters Is the hood over exhausting Slow down fan see exhaust fan troubleshooting section Proximity Hood R Before calling your manufacturers representative to report a problem have the following information available Review summary of troubleshooting section in installation operation manual Hood model and serial number Current cooking equipment line up Size of hood length width and height Island or wall configuration Multiple hoods on one fan Nature of spillage one end all around the edges Does the smoke make it to the hood Height hood is mounted above finished floor 10 How make up air is brought into the kitchen hood ceiling diffusers separate plenum 11 exhaust system controlled by a variable volume system 12 Is the fan noisy mm Pe PART NUMBER HEIGHT x WIDT
21. side of the hood 4 To allow for ease of cleaning caulk the external seams with NSF Approved silicone caulk GE SCS1009 or its equivalent The caulk is not provided Note Hood may be furnished with finished end fillers when mounting against a partial wall Hood Hanging Height The hood hanging height is critical hanging the hood at the incorrect height may significantly reduce the ability for the hood to function properly and may be in violation of codes The hood hanging height is given on the UL label located on the inside of the hood on the end panel The distance given is from the front lip of the hood shown in Fig 4 to the surface of the cooking equipment UL Vertical Distance Above Cooking Surface Fig 4 Continuous Capture Plenum Hoods Use the installation procedure described on page 4 for single island hoods install and level both hoods After leveling secure the hoods together Fasten the hoods together using u clips and bolts Fig 6 Caulk this joint with NSF Approved silicone caulk GE SCS1009 or its equivalent The caulk is not provided HOOD A Ll 7 CAULK A DM BOLT a ACORN NUT Fig 6 5 R Ductwork Exhaust As specified in NFPA 96 Ch 7 5 latest edition exhaust duct systems must be constructed in th
22. 2 7 mm diameter threaded rod by others into all of the hanger brackets on the supply plenum top Raise external supply plenum and hang level from adequate roof or ceiling supports Horizontal Supply Plenum shown in Fig 7 must be below finished ceiling Air Curtain Supply Plenum may be fit into drop ceiling Fig 7 Bolt back of plenum to 3 Remove perforated panel from enclosures plenum and bolt to enclosures through back of plenum Fig 8 This will draw plenum tight to the enclosures Fasteners are not intended to support the plenum for alignment purposes only Fig 8 4 Caulk mating joints with NSF Approved silicone caulk GE SCS1009 or its equivalent The caulk is not provided Proximity Hood A Installing the Back Supply Plenum Installing the Supply Duct Collar 1 Find the center of the Back Supply Plenum LCM800LCVVI0ILI 2 If the Back Supply Plenum is less than 9 ft 10 in 299 72 cm long cut opening at the suggested location centering the opening over L 2 the center of the Back Supply Plenum Fig 9 3 If the Back Supply Plenum is greater than 9 ft 10 in 299 72 cm long divide the length of the back supply by four This will give you the center of each half Cut openings at the suggested location o centering the duct collar over the center measurement of each half Fig 10 L 2 4 Place the duct collar s over the opening fastening with screws or tack welds every 4 to
23. 20 VOLT SUPPLY POWER HOOD LIGHTS EXHAUST FAN CONTACT OPTIONAL SUP FAN OL rsc1 I lt gt I I 115VOLT FN Fo 1 NE CONTROL Exi SUP SUP MI Hi FAN j HTR SSTR STR CTRL I I I g I B 4 6 ee T I I I 1 t I dixic aliii 1 A 9 zou ER LIGHT EXHAUST amp SUPPLY HEATER SWITCH SWITCH SWITCH SEPARATE EXHAUST amp SUPPLY SWITCHING JUNCTION BOX ON TOP OF HOOD FOR FIELD CONNECTION OF 120 VOLT SUPPLY POWER EXHAUST FAN CONTACT oL gt oL 0 T CONTROL p pals jedes VOLTAGE 1 EXH i1 SUP SUP N HI FAN ji HTR STR 1 1518 1 CTRL I I Ca I bas zal totes cabo eec HOOD LIGHTS Proximity Hood LIGHT SWITCH EXHAUST SWITCH SUPPLY SWITCH HEATER SWITCH SUPPLY FAN CONTACT HOOD SWITCH PANEL DETAIL SUPPLY FAN CONTACT Fig 40 Maintenance Daily Maintenance 1 Wipe grease from exposed metal surfaces on the hood interior using a clean dry cloth 2 Visually inspect the filters for grease accumulation Wash as needed 3 Remove grease cup empty contents and replace cup Weekly Maintenance 1 Remove the grease filters and wash in dishwasher or pot sink Note Filters installed over heavy grease producing equipment may re
24. 6 in 10 16 to 15 24 cm Fig 11 The4 in 10 16 cm high duct collar is to be attached to the back supply L MODULE WIDTH Fig 10 Hanging the Back Supply Plenum 5 Hang the Back Supply Plenum from the ceiling The Back Supply Plenum needs to be mounted 31 25 in 79 375 cm above the finished floor This is measured from the lowest rear edge of the Back Supply Plenum to the finished floor 6 Fasten the Back Supply to the wall going through the lower Back Supply wall Fig 12 These fasteners are to help maintain the location of the Back Supply and are not intended to hold the weight of the Back Supply Unit The fasteners should not interfere with the removable air diffusers FASTENERS HOLDING THE BACK SUPPLY TO THE WALL 32 in 813 mm CRITICAL DIMENSION Fig 12 8 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 hood 2 Afte
25. H x DEPTH 457627 457629 851656 851657 851709 851710 852388 852389 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 Date Time AM PM Notes Notes Date Time AM PM Date Time AM PM Notes Notes Date Time AM PM Date Time AM PM Notes Notes Date Time AM PM Date Time AM PM Notes Notes Proximity Hood Warranty 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 specifications without notice Contact Greenheck Fan Corporation Phone 715 359 6171 715 355 2399 E mail gfcin
26. S S8L NV 1S0 VHX3 5 NO _ 4 H3MOd AlddNs VLI NV 15 LINN d 3VIN 1lOHINOO 38n 1 Q3HIM HOLIMS LO3NNOOSIG OL C YALYVLS 3XVVM ANO IV HOLIMS LO3NNOOSIG NY439N9 OL H31HVLS 9IV 9XVIVI H31N3O 1091M0 3XVVI OL AlddNS SHAHLO SNIHIA INVH9VIG 9NIHIM OISVa Fig 39 Eg Proximity Hood Wiring for Switch Panels The diagrams below show a typical hood switch panel remote mounted For hood mounted switches refer to the wiring connection decal on the cover of the junction box on the hood top The diagram below shows how to wire the exhaust and supply fans with a control panel to a fire suppression contact FSC1 When wired properly the suppy fan will be turned off if the fire system is activated and allow the exhaust fan to continue to operate The fire suppression contact FSC1 is provided as part of the fire suppression system and is normally mounted in the fire system control box COMBINED EXHAUST amp SUPPLY SWITCHING JUNCTION BOX ON TOP OF HOOD FOR FIELD CONNECTION OF 1
27. alent 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 to make a bracket to keep the at the 2 in 50 mm distance and parallel to the filter Both squareness and distance are Rotating Vane Anemometer pem M Fig 22 very important for accuracy Calculate the average velocity for the filter 3 Determine the filter s conversion factor from the table 4 Calculate the filter s volume in m3 hr by multiplying the average velocity by the conversion factor 5 Calculate the hood s volume by repeating the process for the remaining filters and summing the individual filter volumes Nominal Filter Size H x L Imperial Metric Inches Millimeters Conversion Factor Conversion Factor 16 16 400 400 1 63 157 16 20 500 400 243 198 20 16 400 500 1 90 177 20 20 500 500 2 48 230 Example Exhaust Only Hood with three 20 x 16 Filters 255 250 4663 44 m h 4572 m h Measured velocities in fpm for one 20 x 16 Filter 4681 73 m h _ Sum of Velocity Readings Average Velocity B Number of Readings m h m h Imperial 299 250 256 248 240 249 8 fpm Metric 4663 4572 4681 4535 4389 _ 4568 m hr 5 For a nominal filter size of 20 x 16 the conversion factor is 1 90 Imperial
28. ce fan wheel if damaged check for loose bolts check for broken or damaged components check for rags and other foreign objects Problem Hood is full of smoke There is smoke coming out of the edges of the hood Is the fan operating at design levels See exhaust fan troubleshooting section Is the fan correctly sized Refer to test and balance report design specifications and fan curves have an electrician check the motor amperage try removing the filter temporarily to see if capture improves Make sure to replace filter to prevent risk of fire switch to different filters with lower static pressure Are the filters in good condition Clean filters replace damaged filters properly position filters Is there sufficient make up air Kitchen should be in a slight negative but not excessive Check to see if there is a strong draft through an open door Check make up air unit increase make up air make up air should be evenly distributed throughout the kitchen Does the current cooking equipment match the original design Adjust or replace fan to match the cooking equipment load Are there multiple hoods on one fan One hood may be over exhausting and the other hood not drawing enough Restrict second hood to help problem hood Are there closed dampers in the duct Open dampers Is the ductwork complex or to small Change to a higher static fan modify the ductwork Is the duc
29. e exhaust or supply air should be adjusted to provide a slight positive pressure in the dining area B To determine proper kitchen air balance 1 Refer to engineering drawings to determine total exhaust from the kitchen area Exhaust hoods dishwasher hoods etc 2 Determine total CFM of make up air supplied to kitchen area Make up air hoods heating and air conditioning units etc 3 Subtract 1 from 2 above The result should be a negative number If the result is a positive number a positive pressure is present in the kitchen area Kitchen odors could be forced into the dining area Also a positively balanced kitchen area can adversely affect the performance of the exhaust hood Caution According to NFPA 96 Ch 8 3 Replacement Air Replacement air quantity shall be adequate to prevent negative pressures in the commercial cooking area s from exceeding 4 98 kPa 0 02 in water column Testing Hood Air Volume Baffle Filter Style Hoods A Exhaust With all the filters in place determine the total hood exhaust volume with a rotating vane anemometer as follows 1 All cooking equipment should be on 2 Measure the velocities Velocity measurements should be taken at five locations per filter These must be over a filter slot as in Fig 21 16 Proximity Hood Fig 21 4 H 2 4 Measure the velocity of each location A digital 2 75 in 70 mm rotating vane anemometer or equiv
30. e following manner Materials Ducts shall be constructed of and supported by carbon steel not less than 1 37 mm 0 054 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 ductwork where applicable should be connected to the hood in a manner approved by the local code authorities Note For hoods with fire dampers in the exhaust and supply duct collars an access panel for cleaning and inspection shall be provided in the duct This panel shall be as close to the hood as possible but should not exceed 18 in 45 72 cm For proper installation of duct collars when they are shipped unattached see page 14 Electrical Connections Access for wiring the hood control panel when applicable is provided by a junction box located on top of the hood when the control panel is mounted in the hood or by the switch junction box when the control panel is mounted in the fire protection cabinet The box is labeled Control Voltage Wiring to Roof Top Fan Package Use minimum 14 AWG copper wire Standard light switches for remote mounting are rated for 15 amps and shall not have more than 14 lights connected to them Higher amperage switches are available upon special request External Supply Plenum Weights Dimensions and Supply Rates
31. e amount of make up air block off portions of the supply to direct air away from the problem area test with cardboard Is the make up air part of the hood or an attached plenum 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 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 Are there drafts from make up air Problem Cold air can be felt by the cook at the hood Is this a short circuit hood Turn off or reduce the amount of air supplied to short circuit is this air curtain hood Turn off or reduce the amount of air supplied to the air curtain heat the supply air Is the make up air part of the hood Try turning off or reducing the amount of make up air heat the or an attached plenum supply air Problem The kitchen gets hot Hood is not drawing enough air see sections above on fan ing lS the hood capiunng performance and hood capture Is this an air curtain hood Turn off or reduce the amount of air supplied to the air curtain Is the make up air part of the hood Try turning off or reducing the amount of make up air cool the or an attached plenum supply air Problem Cooking odors in the dining area Hood is not drawing enough air see sections above
32. e velocity readings for each filter Place standoff spacers against face of outlet or inlet grill fitter Edge of outlet inlet Maintain 1 4 2 margin Maintain 1 1 2 margin Tubing harness Swivel bracket Pressure input ports Tubing connectors Extension rods External read jack a Pushbutton handle and plug Handle bracket Captive knob screws Fig 33 3 Calculate each filter s volumetric flow rate by summing the flow rate of each individual filter in the hood 4 Calculate the total hood s volumetric flow rate by summing the flow rate of each individual filter in the hood Note For best accuracy multiply the velocity of each filter by its conversion factor and sum the flow rates Averaging the velocity measured for all filters may cause error Nominal Filter Size H x L Imperial Metric Inches Millimeters Conversion Factor Conversion Factor Fig 34 16 x 16 400 x 400 1 53 ft2 142 m2 rs 16 20 400 500 2 00 ft 185 20 16 500 x 400 2 25 ft 209 20 x 20 500 x 500 3 00 ft2 279 m2 Example TI Measured velocities for 20 x 20 in 500 x 500 mm filter Fig 35 Average slot velocit ot Velocity Readings LALALA 9 4 Number of Readings S KD D E Imperial 152 2 201 5 fpm NNN Metric 302014 3749 3385 2 5 in
33. fo greenheck com e Website www greenheck com RH GREENHECK Building Value in Air EJ 458294 Proximity Hood Rev 3 March 2008 Copyright 2008 Greenheck Fan Corp
34. h day cycling all of the filters in three days Note The beads will discolor Standard cooking will turn the beads yellow in color Open flame cooking will cause the beads to blacken Neither affects the performance of the filters Periodic Inspection Each filter may be soaked in hot soapy water for two hours once a month prior to washing if grease build up is found Inspect the filters by holding it up to a light Light shining through more than six holes in a group indicates filter damage For filter replacement call 1 800 337 7400 p 4A Step 5 Replace GG filters in hood Do Step in reverse order then then Step 6 Latch filters together by connecting the hooks to the handle on the next filter Slide hook on from the top and bottom of the handle Do not try to snap the hooks into place Do Step 2 in reverse Step 7 Replace the front GX filters Do Step 1 in reverse Be sure to install filters in the ends of the hood first then install the filters in the middle of the hood 1B then 1A Caution To prevent damage to filter media do not wash second stage filters in detergents that contain hydroxides such as sodium hydroxide or potassium hydroxide EJ Proximity Hood Filter Washing Frequency Guide NOTE Standard cooking will turn the beads yellow in color Open flame cooking will cause the beads to blacken Neither affects the performance of the beads Caution To prevent damage to filter media do
35. l 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 decreasing in high static branches until the static pressure is equal in all branches Checking for Balance Every hood with Exhaust Air Balancing Baffles EABB has a range for its static pressure The low number in this range is given by the standard calculation for hood static Static that is printed with the CAPS submittal The maximum increase above the low number can be calculated from the duct velocity at the low static also given on CAPS submittal This is then added to the low number to get the highest static pressure possible with an EABB The maximum potential increase in static is given in the graph or can be calculated from Max Increase 0 00000036 x Duct velocity Maximum Increase in Static Pressure for Exhaust Air Balancing Baffle Fully Closed gt After the range for each hood is calculated it should be compared to the hood with the highest static pressure If the highest hood falls inside of the range then the hoods can be balanced with the EABB If it is higher than the range the hoods cannot be balanced gt N 2 Increase in Collar Staitc Pressure Example 1
36. lash panel length Millimeters lt 1219 2 1 Is greater than 46 in a 168 4 gt 48 lt 94 gt 1219 2 lt 2387 6 2 it will be shipped in gt 94 lt 141 gt 2387 6 lt 3581 4 3 HEIGHT multiple pieces Be sure offsets gt 141 lt 188 gt 3581 4 lt 4775 2 4 gt 188 lt 235 4775 2 5969 5 match up to other panels 2 Insulated Panels extend 1 inch from the wall Fig 19 Bottom edge of hood must mount tight to top of panel Check hood mounting height before panel installation LENGTH 3 After the backsplash d panel has been positioned drill holes in the panel and fasten Fig 18 to the wall fasteners provided by others NOTE PANELS UP TO 48 IN 1219 2 MM WIDE SHIP IN ONE PIECE OVER 48 IN 1219 2 MM IN MULTIPLE PIECES 4 Caulk the joints between the hood and the backsplash panel with 1 25 4 MM NSF Approved silicone INSULATED BACKSPLASH PANEL I caulk GE SCS1009 MATERIAL GAUGE STAINLESS or its equivalent The INSULATION 1 IN 25 4 MM caulk is not provided LENGTH __ When multiple panels are required caulk HEIGHT the joint between the gt 136 lt 181 gt 3454 4 lt 4597 4 4 gt 181 lt 226 gt 4597 4 lt 5740 4 5 backsplash panels with NSF approved silicone caulk GE SCS1009 or its equivalent The caulk is not provided V LENGTH Fig 19 NOTE PANELS
37. le surfaces With the hood still inside its packing crate position the unit beneath its installation location CRCNCNCNCNCNCNCNCNCNCNCNCNCNCNNGCNGNGNGNG NUNG NN NN NN Carefully remove the packing crate S Place some protective material on the floor next to the crate to avoid damaging the hood as it is tipped on its side Fig 1 Tip the hood carefully onto the protective material If you have filler panels see Fig 2 below If you have integral filler panels no additional installation is needed Hood Installation Overview If a Back Supply Plenum is provided install first Before raising hood insert 1 2 in 12 7 mm diameter threaded rod by others into hanger brackets on hood top Check the engineering drawings or UL label located on the inside of the hood for proper hood height above finished floor Install filler panels if needed Raise and hang hood from adequate roof or ceiling supports and secure mounting flange to the wall using lag bolts or fasten to the Back Supply Plenum if provided All hanger brackets must be used and the hood must be properly supported while lifting to prevent damage or distortion to the hood The hood must be hung level to operate properly After hood is secured make the exhaust duct connections The fire system distributer must be contacted at this time After the fire system has been installed mount the enclosures then the supply plenums If a Horizontal Supply Plenum is provided it should be ins
38. ll the Grease X Tractor primary filters in the same manner using the front filter channel J Fig 41 i Fig 42 ET Proximity Hood Grease Grabber Filter Cleaning Step 1 Remove the front GX filters 1A Remove middle filters first 1B slide ends toward middle and remove ANS T a ii 1A Step 2 Release the hooks that hold the filters together Slide the top hook upward and the bottom hook downward until the hook releases Do this to all filters 1B Step Remove the GG filters starting in the middle of the hood Grab the handles on either side and lift the filter up 3B Pull the bottom of the filter toward yourself 3C Lower the filter out of the hood Repeat this process for each filter The filters that are on the ends will have to be slid toward the middle and then lifted out Pull filter down 3B Step4 Frequent Maintenance Note Required washing frequency is dependent on type of cooking and quantity of food cooked Remove filters from hood and place each filter in a whirlpool sink or dishwasher If using a whirlpool sink cycle for 10 minutes Use standard dishwash soap 4A If using a dishwasher cycle it three times to ensure all grease is removed 4B If using standard sink cover with hot water and degreaser and soak for two hours Rinse after soaking Note For hoods with large quantities of filters it is acceptable to wash to 4 filters eac
39. nal seams with NSF Approved silicone caulk GE SCS1009 or its equivalent The caulk is not provided Installation instructions may not be applicable for concrete ceilings End Enclosures Front Enclosure s Plate Shelf Fig 16 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 shelf to hood in rear corners 5 Attach the end enclosure panels to mounting channels fasteners provided 6 To allow for ease of cleaning caulk the external seams with NSF Approved silicone caulk GE SCS1009 or its equivalent The caulk is not provided 7 Installation instructions may not be applicable for concrete ceilings End Enclosures Mounting Channels Front Enclosure Passover Shelf Fig 17 IL Backsplash Panel Installation Instructions 1 Layout backsplash panels according to Fig 18 FLAT BACKSPLASH PANEL MATERIAL GAUGE STAINLESS Note offset in panel for overlap LENGTH If the backsp
40. ng the average velocity by the conversion factor Rotating Vane Anemometer Nominal Filter Size H x L Imperial Metric Inches Millimeters Conversion Factor Conversion Factor 16x16 400 x 400 1 31 ft 122 m2 16 x 20 400 x 500 1 65 ft 153 m2 Fig 32 20x16 500 x 400 1 23 ft 114 m2 20 x 20 500 x 500 1 65 ft 153 m2 Example Imperial Hood Length 7 feet 0 inches with four 20 x 20 filters Measure the velocities in fpm for each 20 x 20 filter six readings per filter 225 201 187 Filter 1 210 2 197 38 Filter 2 228 222 226 237 240 220 ees 230 245 240 250 223 219 225 265 219 245 221 200 Sum of Velocity Readings Number of Readings 1258 6 repeat for each filter Average slot velocity for Filter 1 209 7 fpm For a nominal filter size of 20 x 20 the conversion factor is 1 65 Volume for Filter 1 Conversion Factor x Average Velocity 1 65 ft x 209 7 ft min 846 0 repeat for each filter Total hood volume _ Filter 1 Filter 2 Filter3 Filter 4 Volume Volume Volume Volume 346 0 377 0 386 9 378 1 1488 6 cfm Example Metric Hood Length 2 13 meters with four 500 x 500 mm filters Measure the velocities in m hr for each 500 x 500 mm filter six readings per filter 4114 80 3675 88 3419 86 pert 3840 8 4352 54 3602 74 Filter 2 4169 66 4059 94 4133 08 4334 26 4389
41. on 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 to the standing seam If clamps are used they must be positioned 4 in 100 mm from the ends and in the center of the front enclosure panel 5 To allow for ease of cleaning caulk the external seams with NSF Approved silicone caulk GE SCS1009 or its equivalent The caulk is not provided 6 Installation instructions may not be applicable for concrete ceilings End Enclosures Bolt Here Front Enclosure s Standing Seams Fig 15 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 2 3 Standing Seams EI Proximity Hood Tack weld or clamp end enclosure panels into place clamps provided Attach the end enclosure panels to the wall fasteners are not provided Position the front enclosure panel s on the hood and bolt to the end enclosure panels with the 5 16 in bolts provided Tack weld or clamp the front enclosure panel s to the hood If clamps are used they must be positioned 4 in 100 mm from the ends and in the center of the front enclosure panel To allow for ease of cleaning caulk the exter
42. quire more frequent cleaning 2 Before replacing filters clean the interior plenum surfaces of any residual grease accumulations Periodic Maintenance Stainless steel hood exterior surfaces should be cleaned with a mild detergent and then polished with a good grade stainless steel polish to preserve the original luster Note Never use abrasive cleaners or chemicals on hood surfaces Never use chlorine based cleaners or iron wool pads to clean the hood They may scratch or mar the material and promote corrosion Always rub with the grain of the stainless Grease Grabber Multi Stage Filtration System For use in Model CC Canopy Hoods Only Installation Note Never install the Second Stage filter in the front filter channel The Second Stage filter must be installed behind a UL Classified Grease X Tractor primary filter Model or GX 1 Slide the top edge of the Second Stage filter into the top rear filter channel Fig 41 2 Lifting the lower edge of the filter past the grease trough continue to push the top of the filter into the channel 3 When the filter is even with the bottom rear filter channel set the filter into the channel Fig 42 Slide the filter to one end of the hood and repeat until all the filters are installed Make sure the filters are placed tightly together with no visible gaps Latch filters together by connecting hooks to handle on next filte Fig 43 Insta
43. r the hood is hung from the ceiling a hood mounting flange may be fastened to the back supply using sheet metal screws by others Pilot holes are recommended 3 Connect the remaining ductwork for the back supply and the hood Caulk all mating seams and surfaces of the back supply the hood and the wall Fig 13 Hood Mounting Instructions Fig 14 shows the locations where the hood must be fastened If a Back Supply Plenum is part of the hood system please see pages 8 9 Back Supply LL Plenum Hood Installation To hang the hood 1 Locate the studs in the wall 2 Drill 1 2 in 13 mm diameter holes in the hood mouting flange Be sure to align to wall studs 3 Lift hood into a level position and lag bolt hood to wall fasteners by others 4 Bolt 1 2 in 13 mm threaded rod into the hanger brackets 5 Fasten threaded rod to ceiling supports then level the hood Note The installation of the hoods shall be in accordance with NFPA 96 latest edition Standard for Ventilation Control and Fire Protection of Commercial Cooking Operations 9 Proximity Hood R 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 Positi
44. talled according to the external supply plenum installation section found on page 7 The hood and accessories are now installed Finally make the electrical connections from switches to fans and complete the fire system circuits as required by the job specification Rear Filler Panel Installation Instructions Rear filler panels may be shipped loose for field installaton or are integral to the hood If fillers are integral to hood skip this section Hood Front 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 hood back 4 To allow for ease of cleaning caulk the external seams with NSF Approved silicone caulk GE SCS1009 or its equivalent The caulk is not provided Bos with Washers ene Nuts Hood Front Bottom Filler Panel Fig 2 4 Proximity Hood 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 Boltthe 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
45. ted in the following table 5 Calculate the hood s exhaust volume by multiplying the CFM per linear foot by the length of hood Fig 28 Cartridge Filter size __ 16 in 400 mm high with 4 in 100 mm high inlet 1 63 1 ft 5 35 1 m 20 in 500 mm high with 4 in 100 mm high inlet 2 15 1 3 7 05 1 m3 16 in 400 mm high with 7 in 120 mm high inlet 1 24 1 ft3 4 07 1 m 20 in 500 mm high with 7 in 120 mm high inlet 1 58 1 83 5 18 1 m Example Measure the slot velocities in fpm for a 9 ft 2 74 m hood with four 20 x 20 in 500 x 500 mm filters with standard opening three readings per filter S f Velocitv Readi Filter Readings fpm Average slot velocity p ee 470 440 425 Number of Readings 482 430 453 Imperial 5330 _ 4442 fom 455 431 441 12 399 439 465 Metric 97474 8123 m hr Filter Readings m hr 12 pm 8595 8047 7772 Average Slot Velocity 8815 7864 8284 CFM per linear foot A Conversion Factor 8321 7882 8065 7297 8028 8504 tpm 206 6 cfm linear foot 2 15 TM 8123m hr 3 7 05 1152 m hr Hood exhaust volume CFM linear foot or m3 hr m Hood Length 206 6 x 9 ft 1859 4 1152 x 2 74m 3156 m3 hr EJ Proximity Hood High Velocity Cartridge Filters A Exhaust With all the filters in place determine the total hood exhaust volume with a shortridge meter as follows
46. twork obstructed Clear obstruction Is this a short circuit hood Turn off or reduce the amount of air supplied to short circuit Problem Smoke blows away before reaching the bottom of the hood Are there cooling fans directed at the hood or cooking equipment Turn off or redirect fans Are there ceiling diffusers directing air at the hood Move diffusers to more neutral area or replace with a diffuser that directs air away from the hood Are there open windows or doors Close windows and doors Are there cross drafts or other drafts in the kitchen Find source of the draft and eliminate add side skirts to hood test with cardboard use stainless for permanent side skirts increase the amount of overhang on the spillage side add a 6 in lip around the base of the hood test with cardboard use stainless for permanent side skirts make up air should be spread out evenly through the kitchen Is the hood near a main walkway Add side skirts to hood test with cardboard first increase the amount of overhang on spillage side Troubleshooting Problem Smoke blows away before reaching the bottom of the hood Are there pass thru windows near Adjust amount and locations of make up air to eliminate drafts the hood through the pass thru windows Is this an air curtain hood Turn off or reduce the amount of make up air Try turning off or reducing th
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