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22

Canopy Hood

®

Rotation Vane
Anemometer

2 in.

Fig. 35

Fig. 36

Cartridge Filter Size

Imperial

Conversion Factor

Metric

Conversion Factor

16 in. (400 mm) high with 4 in. (100 mm) high inlet

1.63 1/

ft

3

5.35 1/

m

3

20 in. (500 mm) high with 4 in. (100 mm) high inlet

2.15 1/

ft

3

7.05 1/

m

3

16 in. (400 mm) high with 7 in. (120 mm) high inlet

1.24 1/

ft

3

4.07 1/

m

3

20 in. (500 mm) high with 7 in. (120 mm) high inlet

1.58 1/

ft

3

5.18 1/

m

3

Filter Readings (fpm)

470

440

425

482

430

453

455

431

441

399

439

465

Filter Readings (m/hr)

8595

8047

7772

8815

7864

8284

8321

7882

8065

7297

8028

8504

High Velocity Cartridge Filters

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. 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.

These must be over the inlet opening as shown in Fig. 35.

• 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. (50 mm) from the face of
the filters as in Fig. 31. It is helpful to make brackets to keep the
anemometer 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 listed in the following table.

5. Calculate the hood’s exhaust volume by multiplying the CFM per linear

foot by the length of hood.

1/4 Width

1/4 Width

1/2 Width

1/2 Height

Inlet Height

Filter Height

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.

Average slot velocity

=

Sum of Velocity Readings
Number of Readings

(Imperial)

=

5330

12

= 444.2 fpm

(Metric)

=

97474

12

= 8123 m/hr

CFM per linear foot

=

Average Slot Velocity
Conversion Factor

=

444.2 fpm

2.15

= 206.6 cfm/linear foot

=

8123 m/hr

7.05

= 1152 m

3

/hr

Hood exhaust volume

=

CFM/linear foot (m

3

/hr / m)

x

Hood Length

=

206.6

x

9 ft.

= 1859.4 cfm

=

1152

x

2.74 m

= 3156 m

3

/hr

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Содержание 452413

Страница 1: ..._________ Model _______________________ Mark __________________ Serial ________________________ Model _______________________ Mark __________________ Serial ________________________ Model _______________________ Mark __________________ Serial ________________________ Model _______________________ Mark __________________ Serial ________________________ Model _______________________ Mark ___________...

Страница 2: ...Hanging the Back Supply Unit 10 Hanging the Hood 11 Air Diffusers 11 Enclosure Panel Installation Instructions 12 End Skirt Installation Instructions 13 Backsplash Panel Installation Instructions 14 15 Duct Collar Installation Instructions for GH GK and GX Series Hoods 16 Exhaust Air Balancing Baffle 17 Balancing the Kitchen Exhaust 18 Baffle Filters GH Series 18 21 High Velocity Cartridge Filters...

Страница 3: ...3 Canopy Hood Maintenance 32 Grease Grabber Cleaning and Maintenance 33 34 Filter Cleaning Frequency Chart 35 Troubleshooting Guide 36 37 Replacement Parts 38 39 Warranty 40 Table of Contents ...

Страница 4: ...ft 59 52 kg m 44 lbs ft 65 47 kg m 48 lbs ft 71 42 kg m 52 lbs ft 77 38 kg m GH GK GXCW 48 lbs ft 71 42 kg m 51 lbs ft 71 89 kg m 54 lbs ft 81 35 kg m 57 lbs ft 84 82 kg m GH GK GXSW 44 lbs ft 65 47 kg m 48 lbs ft 71 42 kg m 52 lbs ft 77 38 kg m 56 lbs ft 83 33 kg m GGEW 39 lbs ft 58 03 kg m 41 lbs ft 61 01 kg m 44 lbs ft 65 47 kg m 47 lbs ft 69 94 kg m 49 lbs ft 72 91 kg m GGDW 45 lbs ft 66 96 kg...

Страница 5: ...iling supports 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 distributor must be contacted at this time After the fire system has been installed mount the enclosures then the supply plenums If an...

Страница 6: ...CLIPS 1 4 in BOLTS 5 CAULK ALL SEAMS AS NECESSARY CAP NUTS AS INDICATED HOOD FRONT 1 REMOVE SUPPORT ANGLE ON OPEN END PANEL HOOD ACORN NUT BOLT U CLIP CAULK 2 RAISE ALL HOODS INTO APPROPRIATE LOCATION AND SUPPORT PER CONSTRUCTION PLANS 3 FASTEN TOP ANGLES TOGETHER USING 1 4 in BOLTS NUTS BY OTHERS 4 FASTEN HOODS TOGETHER USING U CLIPS 1 4 in BOLTS 5 CAULK ALL SEAMS AS NECESSARY CAP NUTS AS INDICAT...

Страница 7: ...lights must be wired to multiple circuits Each circuit must have less than 14 lights total Standard Greenheck light switches shipped on hoods are rated for 15 amps and shall not have more than 14 lights connected to them Higher amperage switches are available upon special request Exhaust As specified in NFPA 96 Ch 7 5 latest edition exhaust duct systems must be constructed in the following manner ...

Страница 8: ... to the supply plenum hanger brackets HOOD STANDING SEAM HANGING CLIP BOLTED TO PLENUM SHELL HANGING CLIP HOOD FRONT C CLAMP SUPPLY PLENUM SHELL HANGER BRACKET END VIEW THREADED ROD HOOD ATTACH HANGING CLIP TO HOOD STANDING SEAM WITH THE SUPPLIED C CLAMPS OPTIONAL DRILL AND BOLT A 1 4 20 SS BOLT THROUGH THE CLIP AND HOOD STANDING SEAM HANGING METHODS FOR SUPPLY PLENUMS ASP FSP AND VSP TOP VIEW HOO...

Страница 9: ...o 6 in 7 62 to 15 24 cm intervals External Supply Plenum Weights Dimensions and Supply Rates Fig 10 Fig 9 Using the UL Listed Fastener Provided 1 Drill a 9 32 in hole for the 1 4 in bolt from the inside of the supply plenum to inside the hood Fasteners are to be located max 6 in 15 24 cm from the end of the hood with max spacing between bolts 36 in 91 44 cm DO NOT include utility cabinets or fille...

Страница 10: ... 24 to 25 4 cm of space below the plenum for access to the air diffusers 6 Fasten the Back Supply to the wall going through the lower Back Supply wall Fig 15 L 2 L 2 L MODULE LENGTH THE SUGGESTED LOCATION ABOVE CUT 1 4 in X 24 in OPENING AT CENTERED ON WIDTH OF THE SUPPLY IF MODULE 6 ft STEP 1 Fig 12 Fig 14 Installing the Back Supply Plenum Hanging the Back Supply Plenum Installing the Supply Duct...

Страница 11: ...Y STYLE HOOD INSTRUC SEAMS 5 CONNEC HOOD 4 LIFT THE HOOD IS THE HOO 1 THE HOO SHOULD 3 DUCTWO 2 BEFORE INSTRUC PROPER STE Fig 16 Canopy Style Hood Proximity Style Hood Removable Air Diffusers The air diffusers located at the bottom of the back supply Fig 17 will need to be cleaned as often as the application dictates Inspect periodically to determine the cleaning schedule 1 To clean the air diffus...

Страница 12: ...lt the end enclosure panels together fasteners are not provided 3 Position the front enclosure panel s on the hood and bolt to the end enclosure panels with the 5 16 in bolts provided in the hardware package 4 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 5 To allow for ...

Страница 13: ...nd cap nut to the inside of the hood or tack weld the end skirt to the hood 3 Position the end skirt against the wall and attach The method depends on the wall construction fasteners for this are not provided 4 Caulk the internal joint formed by the end skirt and the hood end panel with NSF Approved silicone caulk GE SCS1009 or its equivalent The caulk is not provided 5 To allow for ease in cleani...

Страница 14: ...46 IN 1168 4 MM IN MULTIPLE PIECES NOTE PANELS UP TO 48 IN 1219 2 MM WIDE SHIP IN ONE PIECE OVER 48 IN 1219 2 MM IN MULTIPLE PIECES LENGTH 1 IN 25 4 MM HEIGHT LENGTH HEIGHT LENGTH QTY Inches Millimeters 48 1219 2 1 48 94 1219 2 2387 6 2 94 141 2387 6 3581 4 3 141 188 3581 4 4775 2 4 188 235 4775 2 5969 5 LENGTH QTY Inches Millimeters 46 1168 4 1 46 91 1168 4 2311 4 2 91 136 2311 4 3454 4 3 136 181...

Страница 15: ...anel to the wall 3 Caulk the joints between the hood and the backsplash panel with NSF Approved silicone caulk GE SCS1009 or its equivalent The caulk is not provided 4 Caulk the joint between the backsplash panels when multiple panels are required with NSF Approved silicone caulk GE SCS1009 or its equivalent The caulk is not provided HOLES SHOULD BE SPACED TO ADEQUATELY SECURE THE PANEL TO THE WAL...

Страница 16: ...27 Fig 28 Note UL listed hood assembly to be used only with Greenheck Fan Corp labeled subassembly for exhaust hood without exhaust damper part Number DC Hood Top 1 The exhaust duct connection needs to be located within 48 in 121 92 cm from the center of the hood length to the center of the duct connection see Fig 24 back view Fig 25 2 The exhaust duct connection is to be a continuous liquid tight...

Страница 17: ...Duct velocity 2 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 Example 1 Hood 1 Ps 0 58 in wg Duct Velocity 1900 FPM Hood 2 Ps 0 44 in wg Duct Velocity 1800 FPM Hood 2 has the lower Ps ...

Страница 18: ...ld be drawn from the kitchen to the dining area Therefore 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 heatin...

Страница 19: ...eating the process for the remaining filters and summing the individual filter volumes x x x x x 2 in H 4 H 2 H 4 H Airflow Rotating Vane Anemometer Fig 30 Nominal Filter Size H x L Imperial Conversion Factor Metric Conversion Factor Inches Millimeters 16 x 16 400 x 400 1 63 157 16 x 20 500 x 400 2 13 198 20 x 16 400 x 500 1 90 177 20 x 20 500 x 500 2 48 230 Total hood volume Filter 1 Volume Filte...

Страница 20: ...ume 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 Total system volume Panel 1 Volume Panel 2 Volume Panel 3 Volume 606 4 614 3 593 8 1814 5 cfm 1029 1044 1009 3082 m3 hr Example Face Supply Hood with three 28 in 711 m Perforated Panels Measured velocities in FPM for one perforat...

Страница 21: ...wo measurements For 16 in 400 mm wide filters position the grid as shown in Fig 34 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 summing the flow rate of each individual filter in the hood Note For best accuracy multiply the velocity of each fi...

Страница 22: ...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 50 mm from the face of the filters as in Fig 31 It is helpful to make brackets to keep the anemometer 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 ...

Страница 23: ...er 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 summing the flow rate of each individual filter in the hood Note For best accuracy multiply the ...

Страница 24: ...on System Rotat Anem 1 2 Width 1 4 Width 1 4 Width 1 2 Height Fig 39 Filter 1 225 201 187 210 238 197 Filter 2 228 222 226 237 240 220 Filter 3 230 245 240 250 223 219 Filter 4 225 265 219 245 221 200 Average slot velocity for Filter 1 Sum of Velocity Readings Number of Readings 1258 6 209 7 fpm repeat for each filter For a nominal filter size of 20 x 20 the conversion factor is 1 65 Volume for Fi...

Страница 25: ...ig 42 and 43 Average the two measurements For 16 in 400 mm high filters position the grid as shown in Fig 44 For 20 in 500 mm wide filters position the grid over the left and right side of the filter Average the two measurements 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 ...

Страница 26: ...rage slot velocity 3 Calculate the CFM per linear foot by dividing the average velocity by a conversion factor of 5 52 per ft or 1 68 per m 4 Calculate the hoods exhaust volume by multiplying the CFM per linear foot by the total hood length Fig 45 Testing Hood Air Volume Example 4 ft 1 22 m short circuit hood 36 in 914 m short circuit opening Number of readings 36 in 8 in 6 readings 914 m 2 m 6 re...

Страница 27: ...CROSWITCH IN NORMAL INSTALLATION THE YELLOW WIRE IS TO BE USED ONLY FOR EXTINGUISHER ALARM LIGHTS CIRCUITS ETC L1 L2 PUSHBUTTON SWITCH 120V 60HZ K1 Ka K1b CURRENT DRAW MAX 8A RESISTIVE 8A INDUCTIVE 120VAC NOTES 1 DENOTES FIELD INSTALLATION 2 DENOTES FACTORY INSTALLATION 3 GAS VALVE UL LISTED ELECTRICALLY OPERATED SAFETY VALVE FOR NATURAL OR LP GAS AS NEEDED OF APPROPRIATE PRESSURE AND TEMPERATURE ...

Страница 28: ...as shown Four typical examples shown Power to cooking equipment Shunt Trip Breaker 120 VAC N Input NO NC 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 NO NC NO Input NC Voltage Free Contacts for Building Alarm s Power to Fan s Fan Starter Terminal strip in Waterwash Control Panel NO NC 3 4 5 6 NO NC 120 VAC...

Страница 29: ... JUNCTION BOX ON HOOD FOR HOOD LIGHTS JUNCTION BOX ON TOP OF HOOD FOR FIELD CONNECTION OF SUPPLY POWER FIVE 5 CONTROL WIRES FROM SWITCH JUNCTION BOX ON HOOD TO MAKE UP AIR CONTROL CENTER CONTROL CENTER MAKE UP AIR UNIT FIELD WIRING SUPPLY POWER TO MAKE UP AIR CONTROL CENTER TWO 2 CONTROL WIRES FROM ANSUL SNAP ACTION SWITCH TO MOTOR CONTROLS AREA ELECTRICAL CONTRACTOR TO PROVIDE HANDIBOX ON SIDE OF...

Страница 30: ...OL 115VOLT N H STR FAN EXH CTRL SUP HTR SUP FAN OPTIONAL OL FSC1 LIGHT SWITCH EXHAUST SUPPLY SWITCH HEATER SWITCH LIGHT SWITCH EXHAUST SWITCH SUPPLY SWITCH HEATER SWITCH HOOD SWITCH PANEL DETAIL 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 HOOD SWITCH PANEL DETAIL C...

Страница 31: ... activated Off if both are not activated On if both are activated Off if either are not activated Off if both are activated On if either is activated On if either is activated On if both are activated Off if both are not activated Off if either not activated Single Throw Single Pole Double Pole Double Throw Double Throw Center Off Series Circuit Normally Open Contacts Parallel Circuit Normally Clo...

Страница 32: ...ed cleaners or iron wool pads to clean the hood They may scratch or mar the material Always rub with the grain of the stainless 3 To maintain optimum performance of your hood and fan duct cleaning should be performed as often as the application and code requires 4 Re caulk the hoods with an NSF Approved silicone caulk GE SCS1009 or its equivalent as needed 1 Grasp the baffle with drain holes facin...

Страница 33: ...h 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 54 4 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 5 Latch filters together by connecting hooks to handle on next filter Fig 55 6 In...

Страница 34: ...e to wash 3 to 4 filters each 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 ...

Страница 35: ...eater 180º F Min Griddle Pot Pan Detergent Every 3 days 10 Minutes Every 3 days 5 minutes Fryer Weekly 10 Minutes Twice a week 5 minutes Charbroiler Daily 15 Minutes Daily 5 minutes Wok Daily 15 Minutes Daily 5 minutes 4 Power Wash Sink Whirlpool no Heater 140º F Griddle Pot Pan Detergent Every 3 days 15 Minutes Daily 5 minutes Fryer Weekly 15 Minutes Twice a week 5 minutes Charbroiler Daily 25 Mi...

Страница 36: ...ve 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 Res...

Страница 37: ...to the air curtain heat the supply air Is the make up air part of the hood or an attached plenum Try turning off or reducing the amount of make up air heat the supply air Problem The kitchen gets hot Is the hood capturing Hood is not drawing enough air see sections above on fan performance and hood capture Is this an air curtain hood Turn off or reduce the amount of air supplied to the air curtain...

Страница 38: ...6 x 2 Stainless Steel Baffle Filter 457629 16 x 20 x 2 Stainless Steel Baffle Filter 457633 20 x 16 x 2 Stainless Steel Baffle Filter 457635 20 x 20 x 2 Stainless Steel Baffle Filter 851656 16 x 16 High Velocity Cartridge Filter 851657 16 x 20 High Velocity Cartridge Filter 851659 20 x 16 High Velocity Cartridge Filter 851660 20 x 20 High Velocity Cartridge Filter 851703 16 x 16 Grease X Tractor A...

Страница 39: ... 850551 Light Switch Only 851776 Fan Switch Only 851777 Light Switch Fan Switch 2 switches 851778 Fan Switch Heat Switch 2 switches 851779 Exhaust Fan Supply Switch 2 switches 851780 Light Fan Heat Switch 3 switches 851781 Light Exhaust Supply Separate Switch 3 switches 851782 Exhaust Supply Heat Separate Switch 3 switches 851783 Light Exhaust Supply Heat Separate Switch 4 switches 851784 Fan Swit...

Страница 40: ...repaid 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 specificat...

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