GAYLORD INDUSTRIES, INC.
Contents
1. DAMPER FIRE SWITCH LOCATED AT EACH EXHAUST DUCT COLLAR ALL EXTERNAL CONTROL WIRING SHALL BE 12 GA MIN OR AS PER APPLICABLE CODES FIELD WIRING BY OTHERS WIRING BY GAYLORD MFG FIELD J BOX WIRING DIAGRAMS C 250 FAN ON OFF SW FURNISHED BY GAYLORD MFG INSTALLED BY ELECTRICAL CONTRACTOR L1 L2 L3 Lty Loy 120 OR 220 VOLT SERVICE STANDARD WIRING DIAGRAM FOR GX SERIES VENTILATORS WITH FUSE LINK ACTIVATED FIRE DAMPER DAMPER CONTROL SWITCH DAMPER CONTROL SWITCH MODEL C 61 GXS SERIES MODEL C 61 GXS SERIES DAMPER COIL TO MATCH SUPPLY VOLTAGE DAMPER COIL TO MATCH SUPPLY VOLTAGE BLOWER SW BLOWER SW WIRED IN PARALLEL THERMOSTAT J BOX LOCATED AT DUCT COLLAR WIRED IN PARALLEL THERMOSTAT J BOX THERMOSTAT THERMOSTAT WIRED IN PARALLEL WIRED IN PARALLEL WIRED IN SERIES FIELD CONNECTION POINT J BOXES FOR ELECTRICAL CONTRACTOR WIRING FROM FIELD J BOXES TO THERMOSTAT J BOXES IS DONE BY FACTORY WITH HIGH TEMP WIRE ALL EXTERNAL CONTROL WIRING SHALL BE 12 GA MIN OR AS PER APPLICABLE CODES FIELD WIRING BY OTHERS WIRING BY GAYLORD MFG EXHAUST FAN ELECTRICAL SERVICE FOR EXHAUST FAN 120 220 OR 440 V MAG STARTER SWITCH WITH 120 VOLT HOLDING COIL BY OTHERS EXHAUST FAN MOTOR BY OTHERS C O a lt C 250 FAN START STOP SW FURNISHED m BY GAYLORD MFG INSTALLED BY2. GREASE EXTRACTION The Gaylord GX Series Ventilator extracts 90 of the grease dust and lint particles from the air stream passing through it Grease extraction is accomplished by a unique removable stainless steel extractor insert which incorporates a series of GREASE EXTRACTION horizontal baffles As the air moves through the ventilator at high speed it is forced to make a series of turns around these baffles forcing the heavier than air particles of grease dust and lint to be thrown out of the airstream by centrifugal force The liquefied grease then drains off into a grease cup The extractor inserts are available in two sizes 151 2 5 3 lbs and 191 6 Ibs IMPORTANT NOTE Never operated ventilator without extractor inserts in place CLEANING At the end of the cooking day or at periodic inter vals the inserts are removed and can be washed either in a dishwasher or soaked and rinsed off To ease in the removal of the extractor inserts an 0535 Extractor Removcal Tool is available which eliminates the need for kitchen personnel to climb up on the cooking equipment INLET SLOT EXTRACTOR INSERT SURFACE FIRE PROTECTION NOZZLE EXTRACTOR INSERT GREASE CUP FIRE PROTECTION EXTRACTOR LT NFPA 96 requires the use of surface duct and REMOVAL plenum protection on all non water wash hoods It is these systems that the first line of defense CLEANING against equipme
3. ELECTRICAL CONTRACTOR FIELD J BOX BY OTHER i L1 L2 MAIN ELECTRICAL SERVICE TO BE FUSED SEPERATELY 120 OR 220 VOLT SERVICE STANDARD WIRING DIAGRAM FOR GX SERIES VENTILATORS WITH THERMOSTATICALLY ACTIVATED DAMPER WHEN C 250 START STOP SWITCH IS USED 7 L1 L2 13 ELECTRICAL SERVICE FOR EXHAUST FAN BY OTHERS MAG STARTER SWITCH WITH HOLDING COIL TO MATCH SUPPLY VOLTAGE BY OTHERS EXHAUST FAN MOTOR BY OTHERS ELECTRICAL SERVICE FOR SUPPLY FAN BY OTHERS MAG STARTER SWITCH WITH HOLDING COIL TO MATCH SUPPLY VOLTAGE BY OTHERS SUPPLY FAN MOTOR BY OTHERS
4. PROTECTION UTILITY DISTRIBUTION ROOF TOP UNITS POLLUTION CONTROL TABLE OF CONTENTS OPERATION STANDARD MODELS MAINTENANCE AND CLEANING INSTRUCTIONS TROUBLESHOOTING MEASURING INLET SLOT VELOCITY WIRING DIAGRAMS PARTS LIST WARRANTY PATENT NUMBERS U S A 4 266 529 4 281 635 4 356 870 CANADA 1 139 151 1 155 366 GERMANY 8 034 240 ALL RIGHTS RESERVED NO PART OF THIS BOOK MAY BE REPRODUCED STORED INA RETRIEVAL SYSTEM OR TRANSMITTED IN ANY FORM BY AN ELECTRIC ME CHANICAL PHOTOCOPYING RECORDING MEANS OR OTHERWISE WITHOUT PRIOR WRITTEN PERMISSION OF GAYLORD INTERNATIONAL INC COPYRIGHT 1999 Copyright 1999 Gaylord Industries Inc The manufacturer reserves the right to modify the materials and specifications resulting from a continuing program of product improvement or the availability of new materials ADDITIONAL COPIES 10 00 OPERATION The Gaylord GX Series Non Water Wash Ventila DUCT TAKE OFF 280 F FUSE LINK tor offers simplicity economy and performance that LIGHT FIXTURE no other ventilator can offer The unique extractor insert gives a grease extraction efficiency far su perior to that of a typical mesh or extractor filter TERRE THON The Gaylord GX Series Ventilators are UL Listed AREA and meet all the requirements of NFPA 96 BAFFLES FAN OPERATION To operate the exhaust fan push the start or stop button on the Gaylord exhaust fan switch
5. SECTION OF TYPICAL VENTILATOR INLET SLOT MEASURING INLET SLOT VELOCITY INLET SLOT PLANE PROBE HEAD NOTE IF A VELOMETER TYPE INSTRUMENT AIRFLOW WITH PROBE HEAD IS USED AS ILLUSTRATED AT LEFT A MINIMUM OF THREE 3 READINGS MUST BE f SECOND TAKEN ACCROSS THE INLET SLOT PLANE AS SHOWN AND THEN AVERAGED FIRST READING NOTE THE VELOMETER PROBE HEAD SHOWN IS FROM A DWYER MODEL 460 WHEN THIS MODEL IS USED IT IS IMPORTANT THAT THE METER BASE BE HELD VERTICAL LOWER LIP OF INLET PLANE FIGURE 10 LENGTH OF INLET SLOT SENSING HEAD APPROXIMATELY EQUAL APPROXIMATELY EQUAL APPROX 6 IN FROM ENDS FOR VENTILATORS UP TO 6 0 LONG TAKE A MINIMUM OF TWO 2 READINGS FOR VENTILATORS LONGER THAN 6 0 TAKE A MINIMUM OF THREE 3 VELOCITY READINGS AS ILLUSTRATED IF DAMPER CONTROL SWITCH IS LOCATED IN THE CENTER TAKE CENTER READING 6 TO EITHER SIDE OF THE CONTROL FIGURE11 ENGINEERING DATA TOTAL CFM HERE 1 MINIMUM TOTAL EXHAUST VOLUME FOR THIS HOOD SECTION 2 MAXIMUM TOTAL SUPPLY GAYLORD VOLUME FOR THIS HOOD SECTION 3 EXHAUST STATIC PRESSURE AT DUCT COLLAR 4 SUPPLY STATIC PRESSURE AT DUCT COLLAR 5 THIS HOOD SECTION SUITABLE FOR APPLIANCES WITH MAXIMUM COOKING U L LISTED SURFACE TEMPERATURE OF 370Y FOR LINEAL FT OF HOOD EXHAUST HOOD WITH L p FIGURE 12 EXHAUST DAMPER 6 REFER TO GAYLORD VENTILATOR TECHNICAL MANUAL FOR I
6. EFFECTIVE DATE 2 99 GAYLORD THE GAYLORD VENTILATOR TECHNICAL MANUAL FOR GRAND GX SERIES NON WATER WASH VENTILATORS WITH MODEL C 250 START STOP SWITCH GAYLORD INDUSTRIES INC 10900 S W AVERY STREET PO BOX 1149 TUALATIN OREGON 97062 1149 U S A 1 800 547 9696 503 691 2010 FAX 503 692 6048 email info gaylordusa com QUIS GAYLORD INDUSTRIES INC World Headquarters P O Box 1149 Tualatin Oregon 97062 1149 U S A U ndisputed W orldL eade in E nginered S ystems for C ommadal Kitchens m To Our Customers Congratulations on your recent purchase of a Gaylord kitchen exhaust hood system We are proud to be able to provide you with a quality product that incorporates the latest engineering concepts and is a result of over 50 years of experience in the foodservice kitchen exhaust industry If you have other Gaylord equipment such as a Gaylord Utility Distribution System Quencher Fire Protection System or Roof Top Air Handling Equipment etc please refer to the corresponding supplementary equip ment manuals If you have further questions please call us toll free at 1 800 547 9696 We are more than happy to help oincerely Gaylord Industries Inc STREET ADDRESS 10900 S W Avery Street Tualatin Oregon 97062 8549 U S A PHONE 503 691 2010 800 547 9696 FAX 503 692 6048 email gaylord gaylordusa com www gaylordusa com COMMERCIAL KITCHEN EXHAUST SYSTEMS FIRE
7. Germany 2 346 196 1 604 173 3 152 501Great Britain H OO D MO U NTI NG R EQU l R EM ENTS 1 350 857 1 396 065 1 558 537 Japan 650 269 797 637 917 077 1 045 507 726 884 1 580 556 New Zealand MINIMUM DISTANCE FROM COOKING SURFACE TO FRONT 162 024 167 964 Switzerland 560 358 other U S and LOWER EDGE OF HOOD foreign patents pending MAXIMUM DISTANCE FROM COOKING SURFACE TO FRONT LOWER EDGE OF HOOD MINIMUM OVERHANG FROM FRONT OF HOOD CAVITY TO FRONT OF COOKING SURFACE MAXIMUM SETBACK FROM FRONT OF HOOD CAVITY TO FRONT OF COOKING SURFACE MINIMUM OVERHANG FROM SIDE OF HOOD TO EDGE OF COOKING SURFACE SERIAL NO MODEL NO WORLD HEADQUARTERS MAINTENANCE INSTR UCTIONS GAYLORD INDUSTRIES INC 1 REMOVE INSPECT AND CLEAN FILTERS ON SG FD OR CFX SERIES OR ee eee GAYLORD EXTRACTOR INSERTS ON GX SERIES AS REQUIRED INC 2 REMOVE AND EMPTY GREASE CUP AS REQUIRED 10900 S W AVERY STREET 3 CAUTION DO NOT OPERATE VENTILATOR WITHOUT FILTERS OR EXTRAC TUALATIN OR 97062 8549 USA TORS IN PLACE 4 REPLACE FILTERS IN SG AND FX SERIES ONLY WITH UL CLASSIFIED GREASE FILTERS OR GAYLORD EXTRACTOR INSERTS IN GX SERIES 5 IF THE VENTILATOR S HAS A FUSE LINK OPERATED EXHAUST OR SUPPLY DUCT FIRE DAMPER THE NATIONAL FIRE PROTECTION ASSOCIATION S PAMPHLET NFPA 96 REQUIRES INSPECTION OF THE FUSE LINK EVERY 6 MONTHS AND REPLACED ANNUALLY REFER TO THE GAYLORD UL GX FX SG FD 996 VENTILATOR TECHNICAL MANUAL FOR DETAILS
8. IR OPTIONS MODEL GX BDL APPLICATION Wall mounted canopy style for all types of equipment MODEL GX BDL DS APPLICATION Used for typical island style cooking arrangement The make up air options shown below are available on all BDL Series Ventilators MODEL MAW SERIES FRONT FACE DISCHARGE This method of introducing make up air into the kitchen is flexible and has many advantages Make up air is discharged through stainless steel perforated panels as illustrated MAW Series or optional registers Typical supply volume is 80 of the exhaust or more depending on air bal ance desired Supply air temperatures should range from 60 to 65 F 16 to 18 C but may be as low as 50 F 10 C depending on air volume distribution and internal heat load MODEL MAP SERIES DOWN DISCHARGE This method of introducing air into the kitchen area is typically used when spot cooling of the kitchen staff is desired to help relieve the ef fects of severe radiant heat generated from equipment such as charbroilers Discharge ve locities must be carefully engineered to avoid air turbulence at the cooking surface discomfort to personnel and the cooling of foods The amount of supply air introduced may be up to 80 of exhaust depending upon the type of cooking equipment involved and the air temperature should be 65 F 18 C or higher 2 FIRE DAMPER MODEL MAI SERIES INTERNAL DISCHARGE Thi
9. NLET VELOC ITY REQUIREMENTS AND METHOD OF CHECKING VELOCITY 7 ELECTRICAL RATING OF LIGHT FIXTURES 120 VOLT 60 HZ OR 220 VOLT THIS EXHAUST HOOD HAS BEEN TESTED TING asss rte NE TET 50 HZ OVERALL RATING 12 AMPS OR LESS he total required exhaust volume can be FOR COMMERCIAL COOKING 8 ON GX SERIES VENTILATORS EQUIPPED WITH FUSE LINK OPERATED EGUIBMERTS EXHAUST FIRE DAMPER USE ONLY 280 F 137 C RATED 30 LBS 13 6 kg found stamped on the UL nameplate located N UL LISTED FUSIBLE LINK FOR REPLACEMENT M THIS EXHAUST HOOD IS LISTED UNDER ON FX AND GX SERIES VENTILATORS EQUIPPED WITH FUSE LINK OPER on each hood section UL FILE NUMBER MH11403 TED EXHAUST FIRE DAMPER USE ONLY 212 F 100 C RATED 30 LBS 13 6 UL LISTED FUSIBLE LINK FOR REPLACEMENT THIS EXHAUST HOOD MEETS ALL i IS EQUIPPED WITH INTEGRAL MAKE UP AIR WITH FUSE LINK REQUIREMENTS OF THE LATEST P ED FIRE DAMPER USE ONLY 165 F 74 C RATED 30 LBS 13 6 kg EDITION OF NFPA 96 UL LISTED FUSIBLE LINKS FOR REPLACEMENT PATENT NUMBERS USA 3 247 776 3 611 909 11 DUCTWORK AND EXHAUST FAN A 3 788 041 4 072 143 4 266 529 4 281 635 4 356 870 STATIC PRESSURE OF DUCT MUST BE ADDED TO VENTILATOR Australia 481 510 465 037 Canada 744 166 759 710 STATIC FOR TOTAL SYSTEM STATIC 926 689 1 139 151 968 559 940 761 1 004 155 B ALL DUCTWORK MUST BE WELDED WATERTIGHT 1 086 126 France 7 227 217 7 332 718 2 351 362
10. OCITY MEASURING INLET SLOT VELOCITY Smoke capture and grease extraction efficiency are dependent upon the proper air velocity at the inlet slot of the ventilator The required average slot velocities are shown on the Air Velocity Chart below If the slot velocity is below the required average the exhaust fan must be adjusted accordingly NOTE The height of the inlet slot can vary depending upon the design of the ventilator It is therefore important to first measure the inlet slot and compare it to the chart below to determine the required average inlet slot velocity The designed CFM per lineal foot is related to the velocity as shown on the chart below The total CFM for the ventilator can be found on the ventilator nameplate See Figure 12 AIR VELOCITY CHARTS FOR ALL GX SERIES EXCEPT GX DS Without Custom With Custom Air Baffles Air Baffles Nominal Required Required Designed Average Designed Average CFM per Inlet Slot CFMper Inlet Slot Lineal Ft Velocity Lineal Ft Velocity FPM FPM FOR GX DS SERIES VENTILATORS Designed Required CFM per Average Inlet Lineal Ft Slot Velocity Ls Front Hear Front Hear Slots Slot Slot Slot Slot 300 150 150 600 680 400 250 150 1000 680 500 310 190 1200 860 Air velocity readings less than what is specified on the Air Velocity Chart may allow smoke and grease to escape the confines of the ventilator and or reduce grease extra
11. ction efficiency This can result in grease deposits which lead to sanitation problems or fire hazards if left uncorrected If air velocity readings are higher than those specified it will require more energy to operate the exhaust fan and exces sive noise levels will result Higher or lower velocities than the required average will normally put the entire heating and ventilating system out of balance When measuring the air velocity it is very important to take an average reading across the inlet slot plane as illustrated in Figures 9A B or C or Figure 10 Positioning the sensing head incorrectly will give velocity readings that cannot be compared to the Air Velocity Chart The sensing heads shown in Figure 9 are of the design typically used on an emometer type instruments CUSTOM AIR BAFFLE INLET SLOT PLANE 9 SENSING HEAD HEIGHT INLET SLOT POSITION SENSING HEAD ON INLET SLOT PLANE LOWER W INLET PLANE FIGURE 9A INLET SLOT PLANE 3 SENSING HEAD HEIGHT OF INLET SLOT POSITION SENSING HEAD ON INLET SLOT PLANE LOWER LIP OF INLET PLANE FIGURE 9B LOWER LIP OF REAR INLET SLOT PLACE BOTTOM OF SENSING HEAD EVEN WITH LOWER LIP OF INLET SLOT AND TOP OF PROBE HEAD AGAINST BACK WALL OF VENTILATOR AS SHOWN FIGURE 9C REAR SLOT OF MODEL BDL DS SERIES AND BDL DS CL SERIES FIGURE 9A B amp CROSS
12. fire protection system IMPORTANT NOTE All replacement fuse links must be UL Listed and rated for 280 F 137 C SWITCH ACTUATOR ARM SPRING SAFETY COVER BLOWER SWITCH TERMINAL BLOCK SPRING COIL DAMPER ROD DAMPER CONTROL DAMPER CONTROL SWITCH MODEL C 61 GXB FIG 5 ELECTRICALLY OPERATED FIRE DAMPER An electrically operated damper is optional equipment Ventilators equipped with this option are easily recognizable in that they have a reset handle with a red knob F unm an SOLENOID i db oz TERMINAL BLCHZK LL DAMPER OD DAMPER Hee s ROD SPRING DAMPER CONTROL SWITCH MODEL C 61 GXSH FIG 6 The electric damper is controlled by a 280 F 137 C thermostat mounted at the duct collar In the event of a fire and if the thermostat reaches 280 F 137 C the fire damper will automatically close and the exhaust fan will shut off To resume normal operation the red knob must be reset until the damper latches open FUSE LINK ACTIVATED FIRE DAMPER ACCESS TO DAMPER AND FUSE LINK DUCT COLLAR DAMPER CONTROL SWITCH MODEL C 61 GXB ACCESS TO DAMPER CONTROL SWITCH AND DUCT COLLAR ACCESS FIG 7 THERMOSTATICALLY ACTIVATED FIRE DAMPER ACCESS TO DAMPER AND THERMOSTAT DUCT COLLAR DAMPER CONTROL SWITCH COVER C 61 GXSH ACCESS TO DAMPER CONTROL SWITCH AND DUCT COLLAR ACCESS RESET HANDLE FIG 8 MEASURING INLET SLOT VEL
13. haust fan 2 In the event that an H O A Hands Off Automatic type magnetic starter switch is used check the selector switch to make sure it is in the automatic position 3 Check exhaust fan motor circuit breaker and check fuses in disconnect switch normally located next to the fan 4 Check 120 volt control power and 3 phase blower power at circuit breaker panel GREASE EXTRACTION The Gaylord GX Series Ventilator extracts up to 90 of the grease dust and lint particles from the airstream passing through it when operated and maintained in accordance with design specifications If it appears that the ventilator is not extracting properly check the inlet slot velocity as described on Page 5 FUSE LINK OPERATED DAMPER A spring loaded fire damper is standard equipment for all GX Series Ventilators The damper is located at the duct collar and is activated by a 280 F 137 C fuse link The damper control switch which contains the spring is mounted at the side of the duct collar In the event of a fire and if the fuse link reaches 280 F 137 C the link will separate the damper will close and the exhaust fan will shut off To resume normal operation the fuse link must be replaced Most codes require fuse links to be inspected semiannually and replaced annually It is recommended that a professional service organization be contracted to perform this service Normally this could be the same company that services the
14. n in accordance When a vent cleaning service is used a certificate showing date of inspection or cleaning shall be maintained on the premises After clean ing is completed the vent cleaning contractor shall place or display within the kitchen area a label indicating the date cleaned and the name of the servicing company It shall also indicate areas not cleaned EXHAUST SYSTEM INSPECTION SCHEDULE Systems serving high volume cooking operations such as Garten 24 hour cooking charbroiling or wok cooking y Semiannually Systems serving low volume cooking operations such as churches day camps seasonal businesses or senior Annually centers POINT A Systems serving moderate volume cooking operations BACKWALL EXTRACTOR INSERT NOTE NEVER OPERATE THE VENTILATOR IF THE EXTRACTOR INSERTS ARE NOT IN PLACE REAR CLIP FIGURE 4 CAUTION Care should be taken when removing extractors especially over fryers It is recommended that the cooking equipment be cooled down and the fryers be covered prior to removing extractors TROUBLESHOOTING POOR SMOKE CAPTURE If the ventilator is not exhausting properly and smoke is escaping first check the extractor inserts to make sure they are in place properly If they are the probable cause of smoke loss is a malfunctioning fan The fan can be checked by taking air readings at the inlet slot Refer to page 5 for proper method of taking air reading
15. nt fires If the surface system fails to extinguish the fire the ventilator s internal fire protection system then acts as a back up This is accomplished by a spring loaded fire damper which is activated by a 280 F fusible link or ther mostat located at the duct collar In the event of a EXHAUST DUCT COLLAR FIRE PROTECTION NOZZLE fire should the detection device reach 280 F the il Osco MELTED 280 F FUSE LINK damper would close preventing the flames from POSITION entering the duckwork and spreading to other parts PLENUM FIRE of the building The fire is contained in the kitchen PROTECTION area where it can be properly fought s Surface duct collar and plenum fire protection uti lizing The Gaylord Quencher System or other fire protection systems currently on the market can be factory installed as an option SURFACE FIRE PROTECTION NOZZLE EXHAUST FAN START STOP SWITCH Model C 250 FIRE PROTECTION FIGURE 1 MODEL GX AB APPLICATION Backshelf style for all types of counter height equipment MODEL GX BDL O APPLICATION Eyebrow canopy style for direct mounting to all types of ovens such as roast bake and reel types STANDARD MODELS MODEL GX CE APPLICATION Pass over style for all types of counter height equipment MODEL GX BDL DS CL APPLICATION Used for cafeteria lines or any other single line island arrangement FIGURE 2 STANDARD MAKE UP A
16. ommended for this application For information contact 20 10 Products Inc P O Box 7609 Salem Oregon 97303 Phone 800 286 2010 Fax 503 363 4296 email twentyten juno com 3 With extractor inserts removed wipe and clean the back wall and the grease gutter with hot detergent water NOTE If a steam or hot water pressure washer is used for periodic cleaning of the inte rior connect a hose to the gutter drain and lead it to a floor sink or large bucket to drain off water 4 To replace the extractor inserts care must be taken to insure that point A rests in the rear clip as illustrated at right 5 If the ventilator s has a fuse link operated supply duct fire damper NFPA 96 requires inspection of the fuse link every 6 months and replacement annually BACKWALL REAR CLIP EXTRACTOR INSERT GREASE GUTTER GREASE CUP EXTRACTOR REMOVAL TOOL FIGURE 3 INSPECTION AND CLEANING REQUIREMENTS The 1998 edition of NFPA 96 Standard for Ventilation Control and Fire Protection of Commercial Cooking Operations require that hoods ducts and exhaust fans be inspected by a properly trained qualified and certified company or person s in accordance with the following table Upon inspection if found to be contaminated with deposits from grease laden vapors the entire exhaust system shall be cleaned by a properly trained qualified and certified company or person s acceptable to the authority having jurisdictio
17. s If the air velocity is low check the following 1 Broken or slipping fan belt 2 Duct access panels left open 3 Closed fire damper 4 Proper exhaust fan size exhaust fan must be capable of delivering specified CFM and static pressure 5 Proper rotation of fan wheel Poor smoke capture may also be caused by inadequately and or improperly introduced make up air Make up air must be supplied for replacement of air exhaust through all kitchen exhaust systems Make up air should be delivered through registers at ceiling height and distrib uted throughout the kitchen area A general rule of thumb is that 75 to 80 of the replacement air should be fresh conditioned heated or cooled air brought into the kitchen area with the remaining 20 to 25 allowed to flow into the kitchen from adjacent areas Smoke loss may also be caused by too much make up air or make up air being blown directly at the ventilator Make up air should not exceed 90 of exhaust air and should be introduced into the kitchen evenly and away from the ventilator TROUBLE SHOOTING EXHAUST FAN WILL NOT COME ON If the exhaust fan does not come on when the fan switch is flipped or start button is pushed check the following 1 Magnetic starter for exhaust fan It is possible that the overload protectors within the magnetic starter switch may have actuated and stopped the fan Push the reset button on the magnetic starter and then restart the ex
18. s method of introducing air into the hood is typically referred to as the short circuit method This design has very limited applications and the amount of supply air able to be introduced varies considerably with the type of cooking equip ment This air may be untempered air in most areas depending upon climatic conditions and the type of cooking equipment The difference between the quantity of air being introduced and the amount of air being exhausted must be sup plied through a traditional make up air system MAINTENANCE AND CLEANING INSTRUCTIONS CLEANING At the end of each cooking day the exposed interior surfaces of the ventilator should be wiped down and the grease cup emptied During the course of operation grease particles are gradually collecting inside the extractor inserts Daily or at periodic intervals depending on the type of cooking the extractor inserts must be removed and cleaned To clean proceed as follows 1 Remove extractor inserts by hand or by using the extractor re moval tool CAUTION Care should be taken when removing ex tractors especially over fryers It is recommended that the cooking equipment be cooled down and the fryers be covered prior to re moving extractors To remove lift up slightly on extractor insert and pull straight out 2 Extractor inserts may be cleaned either by using a dishwasher or by washing in a sink using hot water and a degreasing detergent Formula G 510 is highly rec
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