Filter Hood Operating and Installation Manual
Contents
1. 5 Spring Air Filter Hood Operating and Installation Manual Spring Air Systems Inc Oakville Ontario Phone 905 338 2999 Fax 905 338 0179 info springairsystems com 2013 Update Table of Contents Introduction 1 Spring Air Systems Hood Model Number Designations 1 Hood Installation Instructions 2 Principle of Operation 3 Maintenance Schedule 4 Cleaning the Exterior 4 Trouble Shooting 5 Measuring the Exhaust Airflow 5 Measuring the Exhaust Airflow 6 Measuring the Supply Airflow MI Models Only 7 Measuring the Supply Airflow MB Models Only 8 Measuring the Supply Airflow MB Models Only 9 Measuring the Supply Airflow MJ Models Only 10 Hood Wiring Requirements 11 Other Fine Products from Spring Air 12 INTRODUCTION Thank you for selecting a SPRING AIR SYSTEMS INC commercial kitchen exhaust filter hood Your system consists of a filter hood and exhaust fan The exhaust fan may have been supplied by others Your SPRING AIR SYSTEMS INC filter hood was selected to best meet the design requirements of your commercial kitchen application i St Typical SPRING AIR SYSTEMS Filter FN B Hood Figure 1 The exhaust fan is normally controlled by an ON OFF selector switch located in the kitchen area or mounted on the exhaust fan starter coil electrical enclosure SPRING AIR FILTER HOOD MODEL NUMBERS DESIGNATIONS There are numerous types and styles of SPRING2. 283 20x25 508x635 320 ist 6o 302 90 453 Chart No 1 Use the chart below when measuring the velocity in the filter slot with a hot wire anemometer Place the hot wire anemometer directly in the filter slot level with the adjacent baffle Take four readings up and down each slot in every other slot of each filter Average these readings to use the chart below The chart is only applicable when using a hot wire anemometer Filter Size Slot Velocity vs Exhaust Volume Velocity Filter Size vs CFM per filter CFM CFM CFM CFM B Ww h Ga a Be i o o 120 120 o umo o CO o o o ao O 7 O 4 4 4 410 ee ee E a 200 300 400 500 700 160 800 P5500 800 850 Sf 2150 te 900 50 240 300 350 480 70 SSO 60 1000 9 O 60 O mo 6 amp 0 OC rpo zno f go O bro 7o mo so 150 30 w w k 160 0 uo 40 k 170 100 nu 40 k 1800 10 0 140 so 40o f Slot velocity measured with hot wire anemometer Filter in rack with 5 slots facing out Filter in rack with 4 slots facing out 70 140 270 350 480 20 550 2380 620 260 O 760 3200 830 350 970 20 40 70 140 200 230 250 280 300 320 350 370 390 420 30 120 200 230 260 290 320 350 370 40 60 90 520 Filter Hood Operating and Installation Manual MEASURING THE SUPPLY AIRFLOW MI MODELS ONLY The supply air discha
3. 338 0179 info springairsystems com www springairsystems com 12 Filter Hood Operating and Installation Manual
4. 9 14 450 400 Medium Griddle fryer 400 F 6 9 450 400 Medium Griddle fryer 400 F 4 6 450 450 Medium Griddle fryer 400 F Up to 4 450 450 Filter Hood Operating and Installation Manual MEASURING THE SUPPLY AIRFLOW MJ The supply air is measured along the bottom inside discharge opening of the make up air plenum To ensure accurate results take a reading every one foot along the length of the ventilator Measure supply air flow through comfort dial 1 Ensure the MJ blowers are powered when the exhaust fan is activated 2 Locate the rheostat on the back of the MJ Blower which is on top of the MJ plenum 3 Turn the rheostat 120 degree clock wise to activate the MJ blower 4 Set the velometer parallel to the bottom discharge with the face open perpendicular to the perforated screen where the air discharges and take a reading every 12 apart for the full length of the hood The first reading should be one inch from the end and continue every twelve inches to the opposite end of the ventilator 5 Total all velocity readings and divide by the number of readings to determine the average velocity 6 Refer to Custom Comfort Dial Velocity Chart below Based on the hood length and the hood temperature rating indicated on the UL ULC plate determine the Custom Comfort Dial velocity on the chart 7 Ifthe measured average velocity is not correct adjust the rheostat as follows Rotate clockwise for lower or counterc
5. AIR SYSTEM filter hoods available Refer to the ULC label for the complete model number and exhaust flow requirement for your filter hood The ULC label is located on the underside of the grease trough on the right hand side of the filter hood F D B ME 10x 4 F Filter Hood Baffle Type Filters D Fusible Link Dead Weight Fire Damper M No Fire Damper Shelf Type Canopy Box Shelf Type Canopy Box Type Canopy DB Double Box Island Type Canopy B F Single Box Canopy Finished on Four Sides s BS B MG Make up Air Through Front Discharge Grilles MP Make up Air Through Front Perforated Panas MI Make up Air Internal in Canopy Mc Make up Through Front Gown Discharge Perforated Panels MB DynaFlow Tri Zame control system WU GynaFlow perirneter defense system 10 Length of the Hood in Feet 4 Width of the Hood in Feet Model Number Designation Figure 2 Filter Hood Operating and Installation Manual HOOD INSTALLTION INSTRUCTION Step 1 Prior to hood installation please review all hood factory drawings Step 2 See hood section view drawing for access doors width clearance requirement If you do not have the proper clearance call the factory immediately at 1 866 874 4505 Step 3 Carefully uncrate the hood without causing any damages to the hood Step 4 Once uncrated do not move hood unless it is supported on its back end to be taken into the building You may use a pair of Mover Do
6. Blade comes to a fully open position which is required to determine the total supply volume at each hood 3 Turn supply fan on 4 Re install Blade front discharge perforated plate with appropriate tools 5 Take velocity reading across the perforated plate as shown in the diagram below Take two vertical readings one at 2 from the bottom of perforation and one at 4 Repeat these horizontal readings every 12 along the hood 6 Total all readings and divide by the number of reading to determine the average velocity 7 Multiply the average velocity x 72 x length of perforated panel in inches to determine the total CFM per perforated panel It is critical to take the velocity readings 1 off the surface of the perforated panel to use this formula 8 Ifthe total supply volume was not correct and Spring Air Systems provided the supply fan unit then adjust the supply volume at the fan unit or at field supplied balancing dampers If the supply fan unit was not provided by Spring Air Systems advise the general contractor to adjust the supply air volume and do not proceed unit the volume has been correct The total supply volume required can be found on the Spring Air Systems shop drawings HOOD CANOPY Wiha HOOD CANOPY END VIEW END MEW COMFORT DLL Filter Hood Operating and Installation Manual Measuring supply airflow through the Custom Comfort Dial 1 Remove Blade front discharge perforated panel with appropriate tool
7. DUCT COLLAR C W 1 PERIMETER FLANGE AND ARRANGEMENT D FIRE DAMPER HANGER ROD BY INSTALLER _ TYPICAL HANGER ROD BRACKET ISOMETRIC FROM FRONT OF HOOD CONTINUOUS WELD p DUCT TO DUCT COLLAR BY OTHERS COMPLETE ALL ELECTRICAL PER NATIONAL ELECTRICAL CODE UL ULC LISTED BAFFLE FILTER WEEPING HOLES GREASE TROUGH 3 3 GREASE CUP WIDTH CLEARANCE MUST NOT EXCEED 0 5Liter OF GREASE BUILD UP AT ONCE 3 00 oD WIDTH 45 25 CONTAMINATED EXHAUST AIR p4 m 76 TO 87 Np APPLIANCE r a T 1 i The exhaust air accelerates through two 90 degree turns within the baffle filters The liquefied grease then drains down the vertical length of the baffles to the grease trough and into a grease cup Each grease baffle contains weeping holes to allow the liquid grease to drain into the grease trough Always ensure that the grease filters are installed with the weeping holes down toward the grease trough The exhaust air travels into the exhaust plenum fire damper exhaust duct collar and then into the exhaust ductwork Greater exhaust and or lesser supply air may be required for complete vapour and smoke removal in specify installations Filter Hood Operating and Installation Manual MAINTENANCE SCHEDULE DAILY 1 At the end of the cooking day wipe off the interior and exterio
8. llies or a pair of Appliance hand Truck Step 5 Check with the General contractor to confirm that the hanger rods diameter and metal meet the requirement to support the weight of the hood on the structure Step 6 Proceed to install the hanger rods to suit the building conditions and as per the local building code The hanger rods must be plum to the centre of the hanger brackets and perpendicular to the roof of the hoods Step 7 After the hanger rods have been installed the hood can now be hoisted to the appropriate height and secured with hanger rod nuts However make sure that the tools that are being sued to lift the hood in place do not cause any damages to the hood Step 8 Once the hood is safely secured and evenly aligned with the hanger rods and hung at the recommend height the installation is now completed For further instruction on the remaining scope of work refer to the General Contractor Note all hoods must be install in accordance with Standard NFPA96 and ULC S650 Filter Hood Operating and Installation Manual WORK AS PRINCIPLE OF OPERATION The contaminated exhaust air rises off the cooking equipment and enters the baffle grease filters within the SPRING AIR SYSTEMS filter hood HANGER ROD HANGER ROD NUT PRE DRILLED HOLE ACCEPTS UP TO 1 2 ROD 47 32 HANGER BRACKET OFFSET 1 2 FROM EDGE OF HOOG SUPPLY DUCT COLLAR C N FUSIBLE LINK FIRE DAMPER EXHAUST
9. lockwise for higher velocity Retake the velocity reading to confirm the recommended set point FN or FB Hood Comfort Dial Velocity Chart CD VELOCITY fpm APPLIANCES TEMP Hood FRONT SIDE FLOW Length ft Set point Set point Heavy Charbroiler 600 F 9 14 500 450 Heavy Charbroiler 600 F 6 9 500 450 Heavy Charbroiler 600 F 4 6 550 450 Heavy Charbroiler 600 F Up to 4 550 450 Medium Griddle fryer 400 F 9 14 450 400 Medium Griddle fryer 400 F 6 9 450 400 Medium Griddle fryer 400 F 4 6 450 450 Medium Griddle fryer 400 F Up to 4 450 450 10 Filter Hood Operating and Installation Manual Hood Wiring Requirements An installation wiring diagram shall be provided with each control unit illustrating the field connections to be made The drawings may be attached to the unit or if separate shall be referenced in the marking label attached to the unit with the drawings or issue number and date The drawing shall show a particular view of the installation terminals or leads to which field connection are made as they would appear when viewed during an installation The terminal numbers on the control unit shall agree with the numbers on the drawing A drawing not attached to the control unit shall be marked with the name or trademark of the manufacturer drawing or issue number and date Note all electrical site work must be comple
10. r of the filter hood canopy and the underside of the grease trough with a damp cloth WEEKLY 1 Remove the grease filters and wash in a mild detergent and water mixture UTN Zy i WIPE UNDERSIDE OF WIPE INTERIOR OF CANOPY GREASE TROUGH AFTER DAILY COOKING Cleaning the Hood Exterior Figure 5 Wipe off the interior of the filter hood plenum behind the grease filters and the interior and exterior of the grease trough Remove the grease cup and clean if necessary SIX MONTHS 1 Check the exhaust fan belts for alignment tightness and wear Adjust and or replace 2 Hoods with makeup air only remove filter from makeup air discharge and wash in a mild detergent and water mixture CLEANING THE EXTERIOR Normal soil can be removed with a mild detergent and water mixture applied to a cloth To remove baked on grease apply a cleanser to a damp cloth or sponge and rub on the metal in the direction of the polishing lines DO NOT RUB IN A CIRCULAR MOTION Burnt deposits which do not respond can usually be removed by rubbing the surface with SCOTCH BRITE Scouring pads or Stainless scouring pads Do not use ordinary steel wool Heat tint can be removed by a vigorous scouring in the direction of the polish lines using SCOTCH BRITE or STAINLESS scouring pads in conjunction with a powdered cleanser Filter Hood Operating and Installation Manual TROUBLE SHOOTING Low air No air i Improper e
11. rge from a FN B MI or FN DB MI is measured along the internal discharge perforated plate inside the filter hood canopy To ensure accurate results take a reading every one foot along the length of the filter hood VANAXIAL VELOMETER Hold the instrument parallel to and about one 1 inch from the perforated discharge slot INSIDE HOOD MI CANOPY PLENUM FRONT OF HOOD VELOMETER Measuring Supply Air Figure 8 PITOT TUBE OR ANEMOMETER Hold the instrument parallel to and about one 1 inch from the perforated discharge slot Take two readings across the slot and average the results INSIDE HOOD MI CANOPY p PLENUM PITOT TUBE FRONT OF HOOD Measuring Supply Air Figure 9 Calculate the average velocity along the length of the perforated discharge and refer to chart No 2 for corresponding CFM ft l s m If the supply air is too high adjust the opposed blade dampers on top of the filter hood at the supply air inlets just above the supply fire dampers Multiple dampers can be balanced to provide the velocity profile required across the supply discharge Supply Velocity vs Supply Flow Rate EEE ore p00 1000 Chart No 2 Filter Hood Operating and Installation Manual MEASURING THE SUPPLY AIRFLOW MB Measuring the total supply fan airflow through the Blade 1 Remove Blade front discharge perforated panel with appropriate tools 2 Turn Blade s threaded rod counter clockwise until the
12. s 2 Turn Blade s threaded rod clockwise until the blade is 1 5 inches off the vertical front surface of the hood See diagram below 3 Set the velometer parallel to the bottom discharge with the face open perpendicular to the perforated screen where the air discharges and take a reading every 12 apart for the full length of the hood See diagram below 4 Total all velocity readings and divide by the number of reading to determine the average velocity 5 Refer to Custom Comfort Dial Velocity Chart below Based on the hood length and the temperature rating indicated on the UL ULC plate determine the Custom Comfort Dial Velocity 6 Ifthe measured average velocity is too high turn the Blade threaded rod counter clockwise 5 times Re measure average velocity Repeat until the measured velocity at Custom Comfort Dial is correct 7 Ifthe measured average velocity is too low turn the Blade threaded rod clockwise 5 times Re measure average velocity Repeat until the measured velocity of Custom Comfort Dial is correct HOOD CANOPY END MEW FN or FB Hood Custom Comfort Dial Velocity Chart Hood CCD VELOCITY fpm APPLIANCES TEMP Length FRONT cee ft co Set point Set point Heavy Charbroiler 600 F 9 14 500 450 Heavy Charbroiler 600 F 6 9 500 450 Heavy Charbroiler 600 F 4 6 550 450 Heavy Charbroiler 600 F Up to 4 550 450 Medium Griddle fryer 400 F
13. ted as per National and local Electrical Codes Options FLUORESCENT LIGHT S FIXTURES 120 1 60 1 25 AMP MAX EACH 777 POWER FROM BREAKER PANEL TO J BOX ON ROOF OF THE HOOD BY ELECTRICAL DIVISIO me p RECESS INCANDESCENT LIGHT S FIXTURES 120V 1 60 1 2 AMP MAX EACH gt F gt POWER FROM BREAKER PANEL v4 TO J BOX ON ROOF OF THE HOOD BY ELECTRICAL DIVISIO INCANDESCENT LIGHT S FIXTURES VA 120 1 60 1 2 AMP MAX EACH TTTS POWER FROM BREAKER PANEL a ROOF scree TO J BOxX ON ROOF OF THE HOOD N BY ELECTRICAL DIVISION COMMON J BOX 20W LED LIGHT S FIXTURES 120V 1 60 i POWER FROM BREAKER PANEL TO F Z J BOX ON ROOF OF THE HOOD BY ELECTRICAL DIVISIO f 120 1 60 POWER TO MJ BLOWER INTERCONNECT TO EXHAUST FAN MOTO STARTERS MAX 1 4 AMP PER BLOWE aa Il Filter Hood Operating and Installation Manual RevLow Hoods DynaFlow Hoods TruFlow Energy Management Systems UL ULC Listed Pollution Control Systems Dry Extractor Hoods Catridge Hoods Other Fine Products From Spring Air Solutions for Energy Savings Filter Hoods Water Wash Ventilators Surface Fire Suppression Commercial Kitchen Exhaust Fans Commercial Kitchen Supply Units Utility Distribution Systems Phone 866 874 4505 FAX 905
14. xhaust fan rotation ii Broken or slipping belt ii1 Exhaust ductwork inspection door open iv Obstruction in the ductwork i Broken belt ii Exhaust fan overload tripped iii Exhaust fan disconnect open iv Exhaust fan motor fuse blown MEASURING THE EXHAUST AIRFLOW The exhaust air is measured along the inlet slot of the ventilator To ensure accurate results take a reading every one foot along the length of the ventilator VANAXIAL VELOMETER Hold the instrument perpendicular to the VORTEX BAFFLE and parallel to the throat inlet slot of the ventilator Velometer should not exceed three inches in diameter BAFFLE FILTER VELOMETER INSIDE HOOD CANOPY GREASE cup Measuring Exhaust Air Figure 6 PITOT TUBE OR ANOMETER Hold the instrument perpendicular to the VORTEX BAFFLE and parallel to the throat inlet slot of the ventilator Take three reading across the throat and average the results INSIDE HOOD 2 CANOPY N PITOT TUBE Measuring Exhaust air Filter Hood Operating and Installation Manual Figure 7 Calculate the average velocity across the inlet slot and refer to the chart below for the corresponding exhaust volumes Add the individual exhaust volumes to determine the total exhaust Exhaust Air Flow Per Filter Baffle Filter Average Filter Velocity 100 fpm 0 5m s 200 fpm 1 0m s 300 fpm 1 5 m s 20x16 508x 406 200 94 400 189 600
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