KES Touchscreen User Manual 2009
Contents
1. VANAXIAL VELOMETER PITOT TUBE OR ANEMOMETER Hold the instrument perpendicular to the Hold the instrument perpendicular to the VORTEX BAFFLE and parallel to the throat VORTEX BAFFLE and parallel to the throat inlet slot of the ventilator Velometer should inlet slot of the ventilator Take three not exceed three inches in diameter Take one readings across the throat and average the measurement per insert results per insert Calculating the Exhaust Air Calculate the average velocity across the inlet slot Refer to the chart below for the corresponding CFM ft I s m Ventilator Type Velocit Exhaust Air Volume Fpm m s CFM ft sim DN B F DN DI 450 2 3 100 140 DN B F DN DI 675 3 4 150 210 DN B F DN DI 900 4 6 200 275 DN B F DN DI 1125 5 7 250 340 DN B F DN DI 1350 6 9 300 410 DN B F DN DI 1575 8 0 350 480 DN B F DN DI 1800 9 2 400 550 DN B F DN DI 2000 10 2 450 620 DN B F DN DI 2250 11 5 500 690 DN B F DN DI 2450 12 5 550 755 DN RevLow Maintenance and Operating Manual INSTALLING THE TERMINATOR BAFFLE TERMINATOR BAFLLE C B j PN ADJUSTABLE BAFFLE B REMOVEABLE ACCESS A The TBDD Terminator baffle is available in various lengths to suit adverse site conditions This will provide additional exhaust air over heavy appliances that are being effected by the surrounding environment Installation Remove the TBDD from the2. top of the hood The mixture of grease Optional 3 aiir space smoke products of combustion lint dirt and kitchen dilution air proceed along the roof of Y Ae I ee the hood and follow a path down towards the Kitchen dilution air core extractor slot the core extractor slot Whee WS ge a extends along the length of the hood Most of a the air mixture enters the slot and a small Vapours from appliances amount rolls back into the hood canopy to meet the main air stream again Core Extractor Variflow baffle Front of hood POSS Be PP EO ae APPLIANCES The RevLow Hood Model DN B F Figure 2 Optimizing the amount of air mixture that enters the core extractor slot is the key to the RevLow system The RevLow hood must incrementally maximize the amount of the air mixture that enters the slot and minimize the amount of roll back into the canopy as the total amount of the air mixture deviates along the length of the cooking lineup Exhaust duct collar Top of core extractor Front of core extractor Variflow Baffle Shown in full open position Grease trough Core extractor slot Section View of Core Extractor for DN B F RevLow Hood Figure 3 The RevLow accomplishes this complicated process with a unique core extractor profile that contains a series of specially designed Variflow baffles located along length of the core extractor See Figure 3 above The Variflow baffles
3. SPRING AIR SYSTEMS HOOD MODEL NUMBER DESIGNATIONS There are numerous types and styles of SPRING AIR SYSTEM RevLow ventilator available Refer to the UL ULC label for the complete model number and exhaust flow requirement for your dry ventilator The UL ULC label is located on the underside of the grease through on the right hand side of the dry ventilator SPRING AIR SYSTEMS HOOD MODEL NUMBER DESIGNATIONS D D _ Dry Grease Extractor N__ No exhaust fire damper D _ Fusible link dead weight fire damper B F Box type rev low hood MG Make up air through front grilles Make up air through perforated panels Make up air down discharge through perforated MR___ Make up air through rear wall plenum 10 The length of the ventilator in feet 4 The width of the ventilator in feet Model Number Designation Ventilators Chart No1 DN RevLow Maintenance and Operating Manual 1 PRINCIPLE OF OPERATION A commercial kitchen cooking line consists of many different appliances depending on the type of restaurant or institution In every commercial kitchen the cooking vapors that comprise of grease smoke and products of combustion rise off the cooking surface Exhaust Air Natural convection forces drive the cooking vapors up towards the back wall as shown in figure 2 The kitchen dilution air is entrained Roof of hood lt into the cooking vapors and the air mixture generally follows the profile of the back and aeeai erhosd
4. packing material Take off all of the Removable Access Doors A from the hood You should be able to clearly see all the adjustable baffles B and their settings Ensure that the adjustable baffle s B over the heavy appliance is set at 5 or 3 if the baffle is directly beneath the exhaust duct collar The TBDD baffles C are going to be installed on the adjustable baffles B over the light appliances To install the TBDD baffle C onto the adjustable baffle B simply line up the gap on the TBDD baffle C with the lower end of baffle B Tap the TBBD along the length until it is snug on baffle B If the fit is loose remove the TBBD baffle C and gently tap the gap with a hammer in the middle and at each end Re attach to baffle B Install these baffles on the two adjustable baffles B located on the right or left side of the charbroiler when looking from the front of the hood 1 LIGHT 2 MEDIUM LIGHT 3 MEDIUM 4 HEAVY 5 VERY HEAVY ERIMINATOR BAFFLE DN RevLow Maintenance and Operating Manual 7 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 Blade comes to a fully open position which is required to determine t
5. Spring Air DN REVLOW Maintenance Manual Spring Air Systems Inc Oakville Ontario Phone 905 338 2999 Fax 905 338 0179 info springairsystems com 2010 Update DN REVLOW Maintenance and Operating Manual Table of Contents Introduction Spring Air Systems Hood Model Number Designations Principle of Operation Variflow Baffles Baffle Settings RevLow Maintenance Instructions Cleaning the Exterior Trouble Shooting Measuring the Exhaust Airflow Installing the Terminator Baffle Measuring the Supply Airflow MB models only Measuring the Supply Airflow MJ models only gt 00 Ni O O1 O1 A Go Go Po S S O RevLow Startup Report INTRODUCTION Thank you for selecting a SPRING AIR SYSTEMS INC Commercial kitchen exhaust RevLow dry extractor Your system consists of a dry extractor exhaust fan and on off switch Others may have supplied the exhaust fan and on off operator Your SPRING AIR SYSTEMS INC Dry extractor model was selected to best meet the design requirements of your commercial kitchen application The DN series dry ventilator is a UL ULC listed Exhaust Hood without Exhaust Fire Damper Typical SPRING AIR SYSTEMS Dry RevLow Ventilator Installation Figure 1 An ON OFF selector switch located in the kitchen area or mounted on the exhaust fan starter coil electrical enclosure normally controls the exhaust fan
6. are adjusted prior to shipment to allow the optimum amount of the air mixture to enter the core extractor slot and thereby minimize roll back into the hood canopy For instance the Variflow baffles located above a Charbroiler are opened to the maximum 450 CFM ft position and the Variflow baffles located above ovens or steamers are closed to the minimum 90 CFM ft position This variable adjustment along the length of each hood provides an exhaust system that truly minimizes the amount of exhaust air to properly ventilate any kitchen line up DN RevLow Maintenance and Operating Manual 2 Roof of hood Exhaust duct collar N Core extractor yh Variflow Baffle gt Front of hood Back Wall Back of hood Drain connection K a i 4 A SS A SS ET Baffle Closed Baffle Partially Closed Baffle Opened Section View of RevLow Extractor with Detail of Variflow Baffle Figure 4 BAFFLE SETTINGS LIGHT LIGHT MEDIUM MEDIUM HEAVY Loo VERY HEAVY Variflow Baffle labeling Figure 5 Po Ww Each baffle is factory set based on the type of appliance under the hood REMOVEABLE INSERT INSTALLATION HANDLE IS DOWN AND OUT CORRECT UP SIDE DOWN DN RevLow Maintenance and Operating Manual REVLOW MAINTENANCE INSTRUCTIONS Hood with Spring Air Systems RPD Controller TruFlow Control Panel At th
7. confirm the recommended set point VARI SPEED FN or FB Hood Custom Comfort Dial Velocity Chart Hood CCD VELOCITY fpm APPLIANCES TEMP Length FRONT SIDE ft FLOW 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 DN RevLow Maintenance and Operating Manual 10 x Spring Air Solutions for Energy Savings Sample RevLow Start Up Report General Information Job Name Date Customer Location Spring Air Service Exhaust Fan Model No Manufacturer Up blast Discharge Exhaust Fan HP Exhaust Air Design CFM Supply Air Design CFM Ventilator mounting Height from finished floor to front of hood Hood Item Model Length Width No of baffles Baffle Size Design CFM Baffle No Baffle Setting Velocity Reading Calculated Exhaust Volume Left to Right fpm per Baffle CFM 1 2 3 4 5 6 Total Exhaust Measured CFM Design Exhaust CFM Hood Item Model Length Width No of baffles Baffle Size Des
8. dium Griddle fryer 400 F 4 6 450 450 Medium Griddle fryer 400 F Up to 4 450 450 DN RevLow Maintenance and Operating Manual 9 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 If the measured average velocity is not correct adjust the rheostat as follows Rotate clockwise for lower or counterclockwise for higher velocity Retake the velocity reading to
9. e start of the day 1 Rotate the occupied Unoccupied switch to the occupied position to start the exhaust system Touch the fan on off icon on the Power window if system is not setup on automatic start stop schedule The exhaust fan s will turn on and after a minute time delay the supply unit s will turn on 2 Check each hood for air movement in the slot Put your hand up to the entrance of the slot and feel if there is air movement The air movement should feel the strongest over the heavy appliances broilers Check Air Flow in slot 3 If there is no air movement check if the green fan light on the Spring Air remote panel is on If not check the breaker panel or fuse check if the motor starters have pulled in Press the red reset button and finally check fan belts in exhaust fan s on the roof TruFlow systems check Operation Status window for messages If necessary call a service technician 4 Go to the makeup air diffusers and check for air movement from the supply unit If no air movement check motor starter push red reset button check fan belts on unit on roof TruFlow systems check Operation Status window for messages lf necessary call a service technician 5 Check that all the grease inserts are in the hoods and installed properly At the end of the day 1 After the cooking equipment has been turned off rotate the occupied Unoccupied switch to the unoccupied position to shut off the exhaust system Touc
10. h Ventilators Surface Fire Suppression Commercial Kitchen Exhaust Fans Commercial Kitchen Supply Units Utility Distribution Systems Phone 866 874 4505 FAX 905 338 0179 info springairsystems com www springairsystems com
11. h the fan on off icon on the Power window if system is not setup on automatic start stop schedule The exhaust and supply fan s will shut down 2 The RevLow hood will deposit particulate on both the hood backwall and roof Wipe down the stainless steel backwall above the appliances and the interior of the hood including the back and roof Use a recognized hood degreaser Wipe down the underside of the grease trough This is located directly above the cooks head a Wipe Interior of Hood Empty Grease Cup Steam Clean Interior At the end of every other cooking day 1 Empty the grease cups located under the grease trough 2 Remove the grease inserts and wash in a dishwasher or pot sink Use a recognized hood degreaser and clean to bare metal 3 Replace the insert in the hood DN RevLow Maintenance and Operating Manual 4 At the end of the cooking day every six months 1 After removing the grease inserts for cleaning check the position of the Variflow Baffles in the hood The Variflow Baffles should be open over the heavy equipment and closed over the lighter equipment Baffles should be wide open over charbroilers and closed over ovens 2 Steam clean the interior of the grease extractor 3 Go to the roof and check the condition of the exhaust fan and makeup air fan belts Tighten or replace as necessary 4 Replace the makeup air filters Filter replacement times will vary with location of the restaurant Inspec
12. he 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 If the 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 Wht HOOD CANOPY END VIEW END VIEW DN RevLow Maintenance and Operating Manual 8 Measuring supply airflow through the Custom Comfort Dial 1 Remove Blade front discharge perforated panel with appropriate tools 2 Turn Blade s threaded rod clockwise until the blade is 1 5 inches off t
13. he 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 If the 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 Comfort Dial is correct 7 If the 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 See ft PLOW 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 Me
14. ign CFM Baffle No Baffle Setting Velocity Reading Calculated Exhaust Volume Left to Right fpm per Baffle CFM 1 2 3 4 5 6 Total Exhaust Measured CFM Design Exhaust CFM DN RevLow Maintenance and Operating Manual Hood Item Model Length Width No of baffles Baffle Size Design CFM Baffle No Baffle Setting Velocity Reading Calculated Exhaust Volume Left to Right fpm per Baffle CFM 1 2 3 4 5 6 Total Exhaust Measured CFM Design Exhaust CFM Hood Item Model Length Width No of baffles Baffle Size Design CFM Baffle No Baffle Setting Velocity Reading Calculated Exhaust Volume Left to Right fpm per Baffle CFM 1 2 3 4 5 6 Total Exhaust Measured CFM Design Exhaust CFM Hood Item Model Length Width No of baffles Baffle Size Design CFM Baffle No Baffle Setting Velocity Reading Calculated Exhaust Volume Left to Right fpm per Baffle CFM 1 2 3 4 5 6 Total Exhaust Measured CFM Design Exhaust CFM DN RevLow Maintenance and Operating Manual 12 Other Fine Products From x Spring Air Solutions for Energy Savings RevLow Hoods DynaFlow Hoods TruFlow Energy Management Systems UL ULC Listed Pollution Control Systems Dry Extractor Hoods Catridge Hoods Filter Hoods Water Was
15. t Baffle Positions Check Baffle Setting 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 a SCOTCH BRITE scouring pad of 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 a SCOTCH BRITE of STAINLESS scouring pad in conjunction with a powdered cleanser TROUBLE SHOOTING Low air i Improper exhaust fan rotation ii Broken or slipping belt iii Exhaust ductwork inspection door open iv Obstruction in the ductwork iv Flow flow baffle must be adjusted No Air i Broken belt ii Exhaust fan overload tripped iii Exhaust fan disconnect open iv Exhaust fan motor fuse blown v Fire damper closed vi Check if baffles are upside down in extractor DN RevLow Maintenance and Operating Manual 5 MEASURING THE EXHAUST AIRFLOW The exhaust air is measured along the inlet slot of the ventilator To ensure accurate results take a reading every foot along the length of the ventilator is recommended VARIFLOW VARIFLOW BAFFLE BAFFLE
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