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Spring Air Systems DN REV-LOW, Maintenance And Operating Manual

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Spring Air Systems DN REV-LOW Maintenance And Operating Manual Download Page 2

 

 

 

DN REV-LOW Maintenance and Operating 

Manual  

 

Table of Contents

 

 

Introduction 1 
Spring Air Systems Hood Model Number Designations 

2 

Principle of Operation 

2 

VARIFLOW Baffles 

3 

Baffle Settings 

4 

REV-LOW 

Maintenance Instructions 

4 

Cleaning the Exterior 

6 

REV-LOW

 Maintenance Schedule 

6 

Trouble Shooting 

6 

Measuring the Exhaust Airflow 

7 

Installing the Terminator Baffle 

8 

REV-LOW-Startup Report 

9 

 

Summary of Contents for DN REV-LOW

Page 1: ...DN REV LOW Maintenance and Operating Manual ___________________________ Spring Air Systems Inc Oakville Ontario Phone 905 338 2999 Fax 905 338 0179 info springairsystems com www springairsystems com ...

Page 2: ... Hood Model Number Designations 2 Principle of Operation 2 VARIFLOW Baffles 3 Baffle Settings 4 REV LOW Maintenance Instructions 4 Cleaning the Exterior 6 REV LOW Maintenance Schedule 6 Trouble Shooting 6 Measuring the Exhaust Airflow 7 Installing the Terminator Baffle 8 REV LOW Startup Report 9 ...

Page 3: ...f 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 Rev Low Ventilator Installation Figure 1 An ON OFF selector switch locate...

Page 4: ...e cooking vapors that comprise of grease smoke and products of combustion rise off the cooking surface Natural convection forces drive the cooking vapors up towards the back wall as shown in figure 2 The kitchen dilution air is entrained into the cooking vapors and the air mixture generally follows the profile of the back and top of the hood The mixture of grease smoke products of combustion lint ...

Page 5: ... a Charbroiler are opened to the maximum 450 CFM ft position and the VARI FLOW 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 Section View of REV LOW Extractor with Detail of Vari flow Baffle...

Page 6: ...rance 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 Wiping Interior of Hood 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 ...

Page 7: ...ng 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 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 o...

Page 8: ... dry ventilator canopy and the underside of the grease trough with damp clothe WEEKLY 1 Remove the grease inserts and wash in a mild detergent and water mixture 2 Cleaning the Hood Exterior Cleaning the Hood Exterior Figure 7 Wipe off the interior of the dry ventilator plenum behind the grease extractor inserts and the interior and exterior of the grease trough Remove the grease cup and clean if n...

Page 9: ... and parallel to the throat inlet slot of the ventilator Take three readings across the throat and average the results Measuring Exhaust Air Figure 9 Calculating the Exhaust Air Calculate the average velocity across the inlet slot and refer to the chart below for the corresponding CFM ft l s m Ventilator Type Velocity Exhaust Air Volume Fpm m s CFM ft l s m DN B F DN DI 450 2 3 100 140 DN B F DN D...

Page 10: ...lled 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 b...

Page 11: ...or to front of hood Make Up Air Systems Good Fair Poor None Hood Item Model Length Width No of Baffles Baffle Size Design CFM Baffle No Left to Right Baffle Setting Velocity Reading fpm Calculated Exhaust Volume 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 Left to Right Baffle Setting Velocity R...

Page 12: ...n Exhaust CFM Hood Item Model Length Width No of Baffles Baffle Size Design CFM Baffle No Left to Right Baffle Setting Velocity Reading fpm Calculated Exhaust Volume 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 Left to Right Baffle Setting Velocity Reading fpm Calculated Exhaust Volume per Baffl...

Page 13: ...oods Cartridge Hoods Filter Hoods Surface Fire Suppression Commercial Kitchen Exhaust Fans Kitchen Enviro Systems KES 100 Exhaust Commercial Kitchen Supply Units Compensating Hoods Exhaust Fans Supply Fans Commercial Kitchen Control Panels Variable Speed Exhaust Supply Systems Phone 905 338 2999 FAX 905 338 1079 e mail info springairsystems com www springairsystems com ...

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