Spring Air Systems Dynaflow Installation And Maintenance Manual Download Page 1

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Dynaflow

Hood

Installation and Maintenance

Manual

___________________________

Spring Air Systems Inc., Oakville, Ontario

Phone (905) 338-2999, Fax (905) 338-0179, [email protected]

2010 Revision 1.0

Summary of Contents for Dynaflow

Page 1: ...Dynaflow Hood Installation and Maintenance Manual ___________________________ Spring Air Systems Inc Oakville Ontario Phone 905 338 2999 Fax 905 338 0179 info springairsystems com 2010 Revision 1 0...

Page 2: ...osition 9 Grease Filter for Dynaflow Hoods 10 MJ Blower assembly for all MJ hoods 13 Dynaflow Maintenance Schedule 14 Trouble Shooting and Cleaning 15 Measuring Exhaust Air flow with VE HE EC and Sa F...

Page 3: ...ranges on single row wall mounted island double row cooking or island single row cooking equipment lineups The hood is ceiling hung with a maximum mounting height of 87 2209 mm from the lower front e...

Page 4: ...raction Efficiency Cascade baffles for Enviro applications and reducing grease discharge from buildings EC Easy Clean Teflon standard grease extraction efficiency baffles for hot heavy grease laden ap...

Page 5: ...apture and chef comfort within the commercial kitchen Standard Dynaflow MB hood Specification The unit casing shall be a minimum 18 GA stainless steel with No 4 finish on all exposed surfaces The hood...

Page 6: ...ANOPY END VIEW MESH FILTERS RHEOSTAT SIDEFLOW DISCHARGE HOOD CANOPY FRONT RIGHT VIEW S S PERFORATED DISCHARGE FRONTFLOW MJ PLENUM FIRE DAMPER MJ BLOWER MESH FILTERS RHEOSTAT S S PERFORATED DISCHARGE S...

Page 7: ...ounted on top of the hoods as indicated on the engineering drawings The engineering drawings indicate number and location of the hanger bracket All hanger brackets shown on the Spring Air Systems draw...

Page 8: ...hood straight up Do not remove the lifting device until the hood is secure After the hood is securely hung the exhaust and supply ductwork can be connected Welding the Exhaust Duct to the Hood Exhaust...

Page 9: ...er blade stops and seals The second drawing shows the damper as the fusible link has been removed The damper will rotate clockwise against the damper bar weight and close The complete assembly is part...

Page 10: ...ers up over 32 long SPRING WELDED TO DUCT COLLAR PIN WELDED TO FIRE DAMPER BLADE S S FUSIBLE LINK CABLE FUSIBLE LINK CABLE BLOCK LEGEND SPRING SPRING UNDERSIDE OF TOP OF HOOD FIRE DAMPER SHAFT EXHAUST...

Page 11: ...mbly from the damper pin The fire damper will close and the complete assembly will hang loose from the spring Loosen the set screw on the adjustable block and pull the stainless steel cable through th...

Page 12: ...s carried out inside the Cartridge Filter not on any visible surface The Cartridge Filter is always aesthetic pleasing because the smooth stainless steel surface does not collect oil or grease The Car...

Page 13: ...e inner surfaces with hot water and detergent After cleaning just close the Cascade lock the handles together and put them back in the hood filter rack EC Easy Clean Teflon Filters for Heavy Grease Ap...

Page 14: ...removal device to minimize the entrance of these sparks and embers into the grease removal device and into the hood and duct system NFPA 211 CHAPTER 1 11 2 B STATES b The arrestor screen shall have he...

Page 15: ...ed on the switch MTG plate The return air from above the hood enters the washable filters travels through the tangential blowers and discharges into the MJ plenum through a fusible line fire damper Ea...

Page 16: ...rease 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 If the hood has an exhaust duct collar fire...

Page 17: ...ripped Inspect the magnetic starter or VFD overload 4 Exhaust fan disconnect open on the roof 5 Exhaust fan breaker open at the breaker panel 6 Exhaust fan motor or fuse or breaker blown 7 FD type Dyn...

Page 18: ...measure the total CFM or average velocity of each filter Hold the instrument perpendicular to the face of each filter The Velometer should be within 1 of the filter face for best results Once the each...

Page 19: ...t perpendicular to the open filter slot at the bottom of the filter Place the hot wire anemometer directly in the filter slot Take one reading at the bottom of each slot as shown in Figure 25 below Ca...

Page 20: ...2 578 900 333 416 520 650 1000 370 462 578 723 1100 407 509 636 795 1200 444 555 694 867 1300 481 601 752 939 1400 518 647 809 1012 1500 555 694 867 1084 1600 592 740 925 1156 1700 629 786 983 1228 18...

Page 21: ...394 493 616 770 1000 438 547 684 855 1100 482 602 753 941 1200 525 657 821 1026 1300 569 712 889 1112 1400 613 766 958 1197 1500 657 821 1026 1283 1600 701 876 1095 1368 1700 744 931 1163 1454 1800 7...

Page 22: ...ing is for the heaviest appliance and the Closed setting is for the lightest appliances To adjust the setting to match the appliance A Loosen the two wing nuts located in the middle of the air inlet B...

Page 23: ...21 Chart No 4...

Page 24: ...s less air to the Chef Region and turning the Comfort Tuning Dial towards the blue dot provides more air to the Chef Region To measure the Appliance Region air velocity rotate the Comfort Tuning Dial...

Page 25: ...rect velocity as indicated in Chart No 4 is achieved C Adjusting the air velocity to the Chef Region The amount of air directed to the Chef Region is a personal decision When commissioning an MB hood...

Page 26: ...w to convert the average velocity reading per grille to CFM Hood Appliances VS Appliance Region Face Velocity Average Velocity fpm MBFront41x 6 CFM MBFront33x06 CFM 50 69 55 75 104 83 100 138 110 125...

Page 27: ...portions the volume of air to the chef Turning the Comfort Tuning Dial towards the red dot provides less air to the Chef Region and turning the Comfort Tuning Dial towards the blue dot provides more a...

Page 28: ...we recommend the following Heavy Appliances Charbroilers Woks Rotate the Comfort Tuning Dial towards the blue dot three 3 rotations clockwise Medium Appliances Griddles and Ranges Rotate the Comfort...

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