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1. CR RR enw sees 32 Wiring Diagram GTGG UTGG M Models Electric Spark 34 Wiring Diagram GTGG UTGG Electric Spark 35 Gas Conversion Kits from Natural to 36 Gas Conversion Kits from Propane to 37 B lletins amp REVISION HIStOEV 5 6 6 0 06 ARE ESI E E S ERE e 38 A GC SM HDGASCOUNTERSERV GT UT SERIES Rev 1 Page 3 Rating Plate Serial Number Information Rating Plate The rating plate is affixed to a bracket mounted at the rear of the unit and visible from the front The grease drawer may need to be removed to view the rating plate cox SERVOE EQUINE 7 BUNE ESTE d Q 22 FOR NOUR INSTA ALAN AVES LES coMBusnBLE PLAN BACK ML EAE mag umi 010 USE DESTINE A UN USAGE AUTRE QUE DOMESTIQUERITEUSE ISSAUGA ONT CANADA TENDED FOR THAN Hi 4518397 Rev 6 GARLAND COMMERCIAL RANGES LTD MISS 227 Serial Number Year Month Information From June 2004 to Present the Serial Number is 13 Digits Long 10 05 1001 00668 L Sequential Number Factory Code Month Year
2. Page 4 A_GC_SM_HDGASCOUNTERSERV_GT UT SERIES Rev 1 Model Code Information Open Top Models GTIOG UTOG Open Top Model GIOG SU UTOG SU Open Top Step Up Model GT UT O G 36 6 SU tes of Burners or SU Step Up Number of Burners Nominal Width of Equipment Fuel Type Gas Propane or Natural Electric Open Burner Garland US Range Heavy Duty Counter Top Model Griddle Models GIGG G UTGG G Valve Controlled Griddle Model out of production GIGG M UIGG G M Valve Controlled Griddle Model with Suffix M GIGG GI UTGG GT Thermostat Controlled Griddle Model out of production GTGG GT M UTGG GT M Thermostat Controlled Griddle Model with Suffix GT UT G G 48 G 48 M L Models with Suffix M Model Size Griddle with Hi Low Valve Control or GT Thermostatic Griddle Nominal Width of Equipment Fuel Type Gas Propane or Natural Electric Griddle Garland US Range Heavy Duty Counter Top Model Broiler Models NR UTBG NR Non Adjustable Fixed Radiant Broiler Model GTBG AR UTBG AR Adjustable Radiant Broiler Model GIBG AB UTBG AB Adjustable Charcoal Broiler Model GT UT B G 48 AR 48 L Model Size NR Non Adjustable Fixed Radiant AR Adjustable Radiant AB Adjustable Charcoal Broiler Nominal Width of Equipment Fuel Type Gas Propane or Natural Electric Broiler Garland US Range Heavy Duty Counter Top Model A GC SM HDGASCO
3. ee ee eee 6 General Pilot Procedur S 5539 0939974399499 9 99 REG 94 99 372 V Ce 15 Lighting Standing Pilots All Models 15 Open Top Burner Models 15 Broilers Models 15 Griddles with Valve Controls 15 Griddles with SIT Thermostats 16 Griddles with GS Thermostats 16 Shutdown Procedure 16 Shutdown Procedure on Griddles with SIT Thermostats 16 Gas Pressure Regulator 32 93 9 CEA 17 Rear Gas Pressure Regulator Connection Options 17 Purpose of gas pressure regulator 17 Open Top Burners Adjustments 4543 99 414465 585483454548454884455 44584458 48585848 E VS 18 Pilot Adjustment Valves 18 Burner Gas Air Shutter Adjustment 18 Troubleshooting Open Top E ERROR RAO EATER P wg 19 Griddle AGIUSTINGIES E909 7199 CUYO ORE EVO On V 20 Griddle Spark Igniter 20 High Tension Lead HTL amp Insulation 21 Thermostatic Griddle Adjustments SIT Control 22 Thermostatic Griddle Adjustments GS Control 26 Griddles with Hi Low Valves 28 Troubleshooting 6 0 6 29 99 9 3 9 3 409 906999 9m 3 911 V 979 78 29 Biboiler Adjustiellisa vss ERE PSU ES wee 30 Pilot Adjustment Valves 30 Gas Burner Control Valves 30 Burner Gas Air Shutter Adjustment 31 Troubleshooting
4. General Inquiries P 905 624 0260 F 905 624 5669 www Garland Group com
5. 3 Ifthe closed circuit mV reading is the same as the open circuit reading the coil is electrically open and the valve must be replaced 4 Checkfor drop out time which should occur within 60 seconds and at approximately 2 mV since the pilot was out 5 Re light the pilot and turn on the main burner As the griddle heats it is normal to see a slight decrease in millivolts Open Circuit Test 1 Disconnect the thermocouple from the safety valve 2 Attach the thermocouple to the millivolt test instrument 3 Heat the sensor end of the thermocouple at the pilot flame or similar flame characteristics monitoring the millivolt meter 4 Ifthe millivolt reading is below 18 millivolts replace the thermocouple Note The SIT thermocouple open circuit voltage will be approximately 18 28 millivolts SIT Thermocouple Closed Circuit mV 18 28 A_GC_SM_HDGASCOUNTERSERV_GT UT SERIES Rev 1 Page 23 Griddle Adjustments SIT Thermostat continued Thermostatic Griddle Pilot Adjustment 1 Adjustment with a screw located on the SIT control refer to photo 2 Turn the screw clockwise to reduce the gas flow 3 Precisely adjust the pilot flame to a slight yellow tip to provide maximum performance Flame must engulf only the tip of thermocouple No adjustment here 3 A L Engulf Tip of thermocouple Pilot adjustment screw The pilot flame should be approximately 3 4 long Page 24 A_GC_SM_HDGASCOUNTERSERV_GT
6. Garland U S Range Service Manual y 4 Garland GT Series US Range UT Series 1 1 Heavy Duty Gas Doa gli Counter Equipment A 4 E w 9 p e FOR YOUR SAFETY DO NOT store or use gasoline or other flammable vapors or liquids in the vicinity of this or any other appliance WARNING Improper installation adjustment alteration service or maintenance can cause property damage injury or death Read the installation operating and maintenance instructions thoroughly before installing or servicing this equipment IMPORTANT Please read all sections of this manual and retain for future reference This product has been certified as commercial cooking equipment and must be installed by professional personnel as specified Users are cautioned that maintenance and repairs must be performed by a Garland US Range Authorized Service Agent using genuine Garland replacement parts Garland US Range will have no obligation with respect to any product that has been improperly installed adjusted operated or not maintained in accordance with national and local codes or installation instructions provided with the product or any product that has its serial number defaced obliterated or removed or which has been modified or repaired using unauthorized parts or by unauthorized service agents For a list of authorized service agents please refer to the Garland
7. Figure 1 position Then push in to engage the flow of gas through the safety device to the pilot 2 While holding the knob in light pilot by pressing the red piezo lighter button or the black igniter button if your model has the electric ignition option Figure 1 3 Continue to hold the knob in for 15 seconds after ignition then release Pilot should remain lit 4 fthe pilot burner fails to light or does not stay lit wait 5 minutes and repeat steps 1 to 3 5 Turn the thermostat knob to the desired cooking temperature 6 Toshut down the main burner turn the control knob to position Griddles with GS Thermostats 1 Ensure the individual on off valve is in the off position 2 Use the piezo or electric spark if your model has this option button s to ignite the pilot 3 Once the pilot is lit turn the thermostat knob to the desired cooking temperature 4 To shut down turn individual on off valves to the off position Shutdown Procedure To shutdown turn all main burner valves to OFF position If the appliance is to be shut down for a extended period of time close the pilot valves gum valve by turning their set screws fully clockwise Shutdown Procedure on Griddles with SIT Thermostats The Garland US Range SIT thermostat control knob is configured to leave the pilot flame on continuously The knob is designed with tab which will not permit complete pilot shutdown order to shutdown the grid
8. Burner Flame soft lazy tip yellow Not enough air mixing with gas Flames lift off burners Flashes back in burner Too much air mixing with gas Reduce air shutter opening Pops excessively when turned off Unit over gassed fired Adjust manifold pressure Delayed ignition Check injector size Burner ports plugged Clean burner ports Pilot flame too small Adjust pilot valve Pilot burner will not ignite Flame lifts off pilot Pilot over gassed fired Adjust pilot valve Adjust hi lo valve Adjust on low setting only burner cold Lowest stable flame Hi Lo valve set wrong Broiler Hi Griddle too hot or too cold Lo Valves Models Page 32 A GC SM HDGASCOUNTERSERV GT UT SERIES Rev 1 Notes A_GC_SM_HDGASCOUNTERSERV_GT UT SERIES Rev 1 Page 33 Diagram GTGG UTGG Models Electric Spark irin W WVYOVIG 5 LE G 48108189 STWNINMAL MAVdS 291419313 WOLA 919 IHdGON 5 GNNOYS HOLIMS ASNVLN3AON XO8 HOLIMS a LINGNOO NYS 908 021919 N3339 N 3LIHM 11 yovga STVNINYSL qasnNn ANNOYS S3MIM SYOLVYANAD MYVdS 3310033 ZL 9 09 STIGON MOIVH3N39 WYVdS 1 33In038H 87 2 IE 51302001 8 FIWNad 7 1 OJOJOO S300312313 VdS R VRRR HW OUI Rev 1 A_GC_SM_HDGASCOUNTERSERV_GT UT SE
9. Open Burner Figure 7 US Range and Garland Burner Heads SUE US Range Garland Burner Head Star Burner Head Page 18 A_GC_SM_HDGASCOUNTERSERV_GT UT SERIES Rev 1 Troubleshooting Open Top Burners WARNING Inspection testing and repair of equipment should be performed only by qualified service personnel Certain procedures in this section require gas tests or measurements while gas is applied to the unit Use extreme caution at all times If test points are not easily accessible disconnect main gas line attach test equipment and reapply gas supply to continue the test Always confirm manifold gas pressure at all times PROBLEM POSSIBLE CAUSE SOLUTION Burner Flame soft lazy tip yellow Not enough air mixing with gas Open air shutter Flames lift off burners Flashes back in burner Too much air mixing with gas Reduce air shutter opening Pop s excessively when turned off Unit over gassed fired Adjust manifold pressure Delayed ignition Incorrect injector Check injector size Burner ports plugged Clean burner ports Pilot flame too small Adjust pilot valve Pilot burner will not ignite Flame lifts off pilot Pilot over gassed fired Adjust pilot valve A GC SM HDGASCOUNTERSERV GT UT SERIES Rev 1 Page 19 Griddle Adjustments Griddle Spark Igniter Garland has two different igniter systems on the griddle units 1 Push button piezo igniter system 2 Electronic Spark igniter system 1 Push bu
10. UT SERIES Rev 1 Griddle Adjustments SIT Thermostat continued SIT Valve Calibration Instructions These are mandatory steps for thermostat validation in the field You MUST perform these steps before replacing They confirm if the SIT griddle control is working as per specification or is failing Note Griddle plate must be clear without product e Ensure your temperature meter is accurate surface probe or magnetic T couple only e Calibration temperature average of the flame ON and flame OFF temperature on off 2 1 Check Manifold Pressure 4 5 W C Natural Gas 10 Propane Gas Inspect pilots and place Moisten the thermocouple with oil 2 thermocouple on plate as shown figure 13 36 914 4mm Griddle Section 12 304 8mm al 152 4mm i Place 6 152 4mm Probe Here Screws for Knob Dial Calibration FRONT 15 From Midpoint Figure 13 Griddle Top View Data for Griddle with SIT thermostat Figure 14 Take dial to Max and back down to 350 F position on the dial Insert griddle was started from cold Must be preheated and saturated Note Accepted Tolerance Temperatures swing at 350 F is 15 F Average temperatures at 350 F 10 F Read and record consecutively the lowest and highest temperature values for each control approx 15 minutes Monitor Temperature Temperature mu
11. Wide GTGG36 GT36M UTGG36 GT36M Gas Thermostatically Controlled Griddle 36 Wide GTGG60 GT60M UTGG60 GT60M Gas Thermostatically Controlled Griddle 60 Wide GTGG72 GT72M UTGG72 GT72M Gas Thermostatically Controlled Griddle 72 Wide Line Ratings US Range Natural Gas 4 5 WC L Propane Gas Manifold Pressure 10 WC Manifold Pressure Models BTU h Injectors BTU h Injectorsi GTGG24 GT24M For use with Natural or Propane gas only Gas input ratings shown for installation up to 2000 ft 610m above sea level Supply Operating Pressure GTGG48 GT48M UTGG48 GT48M Gas Thermostatically Controlled Griddle 48 Wide IN XHINS 5 5 GTGG36 GT36M Shown A_GC_SM_HDGASCOUNTERSERV_GT UT SERIES Rev 1 Page 11 Technical Data Model Information Garland Models US Range Models Model Information GTBG24 NR24 UTBG24 NR24 Gas Broiler Non Adjustable Grates and Cast Iron Radiant GTBG36 NR36 UTBG36 NR36 Non Adjustable Grates and Cast GTBG48 NR48 UTBG48 NR48 Gas Broiler Non Adjustable Grates and Cast Iron Radiant GTBG60 NR60 UTBG6O NR60 Non Adjustable Grates and Cast Line Ratings Manifold Pressure Manifold Pressure Models Model BTU h _Injectors BTU h Injectorst For use with Natural or Propane gas only Gas input ratings shown for installation up to 2000 ft 610m above sea level Br
12. all times If test points are not easily accessible disconnect main gas line attach test equipment and reapply gas supply to continue the test Always confirm manifold gas pressure at all times Too much air mixing with gas Reduce air shutter opening Check Calibration temperature with actual readings See calibration procedure Thermostat out of Calibration Thermostat Griddle Griddle too hot or too cold Adjust hi lo valve Adjust on low setting only burner cold Hi lo valve set wrong Hi Lo Valve Griddle waste Unit over gassed fired Adjust manifold pressure Delayed ignition Incorrect injector Check injector size Burner ports plugged Clean burner ports Pilot flame too small Adjust pilot valve on manifold Pilot burner will not ignite Flame lifts off pilot Pilot over gassed fired Adjust pilot valve Check actual mV open and Pilot Outage SIT Control Models Bad thermocouple closed circuits See table below mV A_GC_SM_HDGASCOUNTERSERV_GT UT SERIES Rev 1 Page 29 Broiler Adjustments Pilot Adjustment Valves e Also known as gum valves Figure 16 Adjustable Available in single or double SENSE e Adjustable with a set screw using a straight blade pocket screwdriver e Turn set screw counter clockwise to increase flow turn set Pilot Tip Figure 16 screw clockwise to decrease flow e Precisely adjust the pilot flame to a slight yellow tip to provide 210 maximum perf
13. web site at www garland group com Garland Commercial Ranges Ltd Parts amp Service 1177 Kamato Road 1 800 427 6668 Phone US amp Canada anifOWOC Mississauga Ontario LAW 1X4 Canada 1 800 361 7745 Fax US amp Canada General Inquiries P 905 624 0260 F 905 624 5669 www Garland Group com A GC SM HDGASCOUNTERSERV GT UT SERIES Rev 1 Safety Requirements WARNING This product contains chemicals known to the state of California to cause cancer and or birth defects or other reproductive harm Installation and servicing of this product could expose you to airborne particles of glass wool ceramic fibers Inhalation of airborne particles of glass wool ceramic fibers is known to the State of California to cause cancer Operatin of this product could expose you to carbon monoxide if not adjusted properly Inhalation of carbon monoxide is known to the State of California to cause birth defects or other reporductive harm WARNING Before working on any appliance Shut Off the gas supply at the main shut off valve and electrical supply at the main power switch On completion of any service work test for gas leaks before returning the equipment into service IMPORTANT Please read and follow all the instructions carefully as the manufacturer cannot be held responsible for any damage to property persons caused by incorrect installation or operation of the equipment Your equipment must be installed and adjusted by a competent person in a
14. 40 10 15 1 2 110 120 10 Spark Type Repetitive 3Hz at 230v Repetitive 3Hz at 120v Outlets a d 4 a d 4 Main Frequency 50 60 Hz 50 60 Hz Electronic Spark Generator ESG Power Consumption 0 8VA MAX 0 6VA MAX Spark Gap 4 X 4mm 0 157 MAX 4 X 4mm 0 157 MAX High Tension Lead HTL amp Insulation The pilot HTL is exposed to high temperatures where they are located IMPORTANT Electrode Keep the insulation in place Insulation should cover wire connector plus bottom of electrode as shown in Figure 11 Wire Insulation black Wire HTL orange Figure 11 A GC SM HDGASCOUNTERSERV GT UT SERIES Rev 1 Page 21 Griddle Adjustments SIT Thermostat Thermostatic Griddle Adjustments SIT Control SIT Valve Control Garland s Heavy Duty Counterline contains a gas control system enclosed in one component the SIT Control The griddle pilot safety system is an internal subcomponent of the control This control part CK4528339 is modified to snap action There is no Bypass on this control This control although very similar to the mechanical controls found on Garland s current range and griddle models has several major economical efficiencies that offer reliability advantages to the customer NOTE 1 Griddle SIT control Temperature control range 175 F 525 F 80 C 274 C 2 ltisa safety valve and thermostat in one assembly The safety valve should not be r
15. Figure 16 Adjustable e Available in single or double e Adjustable with a set screw using a straight blade pocket screwdriver e Turn set screw counter clockwise to increase flow turn Pilot Tip Figure 16 set screw clockwise to decrease flow e Precisely adjust the pilotflametoaslightyellowtipto 88 220 provide maximum performance SC oe ss T Panel 23 9v 07 Pilot Adjustment Valves Location 0 iV e All pilots adjustment valves are located the manifold behind the front panel Figure 17 Manifold e the front panel first remove the knobs with set Valve screws Then release the four 4 screws holding the panel Figure 17 and remove panel Burner Gas Air Shutter Adjustment Variations in field conditions and or rough handling of the equipment in transit may result in the need for adjustment of Fixing Screw the primary air to the burners The following steps will show Injector Location you how to provide a sharp blue flame at the full rate open m valve fully for the maximum gas flow uen Aeration Shutter 1 Onthe burner locate the aeration shutter Figure 6 Figure 6 2 Loosenthe fixing screw so that the aeration shutter turns freely 3 Turn on the gas flow and ignite the burner 4 Rotate the air shutter to obtain the 1 2 stable sharp inner blue cones Figure 7
16. Manifold Pressure EN a GTBG24 AB24 UTBG24 AB24 60000 436 60000 51 For use with Natural or Propane gas only Gas input ratings shown for installation up to 2000 ft 610m above sea level Supply Operating Pressure Broiler Adjustable Grates amp Ceramic Coals Models GTBG24 AB24 Shown Page 14 A GC SM HDGASCOUNTERSERV GT UT SERIES Rev 1 General Pilot Procedures Lighting Standing Pilots All Models After the appliance has been installed by a licensed gas trades person and all connections pilot lights and controls have been inspected for proper operation All gas appliances that use standing pilot systems are generally assumed to be operating with the pilot on continuously The appliances should not be restarted except in the event of a gas service interruption to the facility If a pilot flame does go out here are the basic steps to check before you re light the pilot 1 Check that all gas lines are in place and secured and there is no accumulation of gas inside the unit 2 Ensure the main shut off valve is in the off position 3 Turn off all individual burner valves 4 Turn on or open the main shut off valve to the appliance Open Top Burner Models Follow the pilot lighting procedure applicable to your model The pilot should ignite within a few attempts You will be able to see the pilot flame on a hotplate under the protective pilot shield cast into the bu
17. RIES Page 34 Diagram GTGG UTGG Electric Spark irin W WvHovIO OLLWNSHOS Xe V 8 CI sows vam 44018480 snn NE 45 OhLO3I3 910 919 THAON HOLIMS XO8 HOLIMS STAGOW HLGIM 87 29 04 LINGNOOD n dl MAL 99 ojojo CUN SMOIVM3N39 c ZL 2 09 513009 YOLVYANSD 1 38034 87 9 513008 N3349 3LIHM 5300941 2313 WHvdS STVNINYAL AOZL qasnNn ANNONS S3MIM Page 35 Rev 1 A_GC_SM_HDGASCOUNTERSERV_GT UT SERIES Gas Conversion Kits from Natural to Propane PART KIT COMPONENTS BTU HR PER BURNER QTY Open Tops and Step Up Open Tops Kit part 4528882 M8 53 853 Orifice Open Top Burners Hotplate Only Pro 26 000 8 M8 1 6MM 1 6Mm Orifice Open Top Burners Step Up Only Pro 27 000 8 4528897 Instructions Conversion Kit Hd Hotplate Nat Propane 1 4528891 Label Conversion Ratings Hotplates 1 4516405 Label Conversion Declaration 1 2127500 3 4 Regulator Propane 10 W C 1 Hi Low Griddle mode GTGG G Kit Part 4528884 M8 53 53 Orifice Griddles Hi Lo Valve Pro 26 000 6 2200703 Pilot Orifice 23 Pr
18. UNTERSERV GT UT SERIES Rev 1 Page 5 Technical Data Model Information Garland Models US Range Models Model Information GTOG12 2 UTOG12 2 Gas Two Open Burners 12 Wide GTOG24 4 UTOG24 4 Gas Four Open Burners 24 Wide GTOG36 6 UTOG36 6 Gas Six Open Burners 36 Wide GTOG48 8 UTOG48 8 Gas Eight Open Burners 48 Wide Line Ratings we ome p ame aime Manifold Pressure Manifold Pressure Models Models _ Injectors BTU h Injectors For use with Natural or Propane gas only Gas input ratings shown for installation up to 2000 ft 610m above sea level Open Top Burner Models Supply Operating Pressure GTOG24 4 Shown Page 6 A GC SM HDGASCOUNTERSERV GT UT SERIES Rev 1 Technical Data Model Information Garland Models US Range Models Model Information GTOG24 SU4 UTOG24 SU4 Gas Four Open Burners Step Up 24 Wide GTOG36 SU6 UTOG36 SU6 Gas Six Open Burners Step Up 36 Wide GTOG48 SU8 UTOG48 SU8 Gas Eight Open Burners Step Up 48 Wide Line Ratings p wen 64 Natural Gas 4 5 WC L Propane Gas 10 WC Manifold Pressure Manifold Pressure Models Injetors For use with Natural or Propane gas only Gas input ratings shown for installation up to 2000 ft 610m above sea level Supply Operating Pressure 5 915 1 doj GTOG24 SU4 Shown A GC SM HDGASCOUNTERSERV GT UT SERIES Rev 1 Page 7 Technic
19. al Data Model Information Garland Models US Range Models Model Information GTGG24 G24 UTGG24 G24 Gas Valve Controlled Griddle 24 Wide GTGG36 G36 UTGG36 G36 Gas Valve Controlled Griddle 36 Wide GTGG48 G48 UTGG48 G48 Gas Valve Controlled Griddle 48 Wide GTGG60 G60 UTGG60 G60 Gas Valve Controlled Griddle 60 Wide GTGG72 G72 UTGG72 G72 Gas Valve Controlled Griddle 72 Wide Line Ratings eee Natural Gas 4 5 WC L Propane Gas 10 WC Manifold Pressure Manifold Pressure Models Models BTU h Injectors BTU h Injectors For use with Natural or Propane gas only Gas input ratings shown for installation up to 2000 ft 610m above sea level Valve Controlled Griddle Models Supply Operating Pressure 5 0 tie GTGG36 G36 Shown Page 8 A_GC_SM_HDGASCOUNTERSERV_GT UT SERIES Rev 1 Technical Data Model Information Garland Models US Range Models Model Information GTGG24 G24M UTGG24 G24M Gas Valve Controlled Griddle 24 Wide GTGG36 G36M UTGG36 G36M Gas Valve Controlled Griddle 36 Wide GTGG48 G48M UTGG48 G48M Gas Valve Controlled Griddle 48 Wide GTGG60 G60M UTGG60 G60M Gas Valve Controlled Griddle 60 Wide GTGG72 G72M UTGG72 G72M Gas Valve Controlled Griddle 72 Wide Line Ratings posee qp eg Natural Gas 4 5 WC L Propane Gas 10 WC Manifold Pressure Manifold Pressure Models BTU h Injectors BTU h Injec
20. ccordance with the law Failure to install appliances correctly could lead to prosecution It is in your own interest and that of safety to ensure that the law is complied with Refer to Garland US Range Installation And Operation Manual for further details Your Garland US Range Authorized Service Agent ASA is well qualified to provide this service Periodic inspections by your Garland US Range ASA or qualified service company are recommended to check temperatures burner adjustments and to ensure that moving parts are operative Whenever possible avoid overheating idle equipment as this is the primary cause for increased service cost NOTE This manual is written for the model s specified on the front cover Unless specified this manual should not be used for any other make or model of appliance Garland reserves the right to change product specifications without notices and accepts no liability for any inaccuracies errors or ommissions contained herein Keep your working area free and clear Remember Safety First Page 2 A_GC_SM_HDGASCOUNTERSERV_GT UT SERIES Rev 1 Contents Safety REQUITEMENRNS wes e sto kins ea dr vr 9S 2 Rating Plate Serial Number 4 Model Code INIOMMALION dh dh 66 46 4650 n 5 Technical Data aas 3 59 939 7 9
21. connection is designed l straight through l o 22 N Garland recommends the use of certified flexible gas A hose and quick disconnect assembly to allow the unit to moved the event an adjustment of the gas C pressure regulator is required Figure 3 Purpose of gas pressure regulator Basics Of A Gas Pressure Regulator Gas pressure regulators have two main purposes to reduce supply main pressure to safe operating pressures of connected appliances and to maintain constant downstream pressure regardless of changes in the gas flow or upstream pressure variations Removable Seal Cap Adjustment Screw Atmospheric Vent Loading Element Spring Measuring Element Note Gas service suppliers usually supply gas pressure Diaphragm higher than the safe operating pressures of connected 460 appliances Restricting Element SZ NN Valve Disk and Seat f an appliance receives too much fuel it will over fire If it receives too little fuel it will under fire It will produce too much or too little heat Combustion characteristics could change resulting in carbon monoxide generation The appliance may not work properly or efficiently Note Always refer to the rating plate of appliance for actual manifold pressure required A_GC_SM_HDGASCOUNTERSERV_GT UT SERIES Rev 1 Page 17 Open Burners Adjustments Pilot Adjustment Valves e Also known as gum valves
22. dle pilot flame completely you must perform Steps 1 to 3 below Note There are no pilot valves gum valve 1 Turn griddle thermostat control knob to symbol position and then loosen the knob set screw Gently pull knob off 2 With the knob removed push down and turn the hub until the symbol B lines up with symbol V A With the hub in the position shown the gas should be off at the pilots and burners There are no pilot valves gum valve 3 Finally turn the manual valve on the main gas supply to the OFF position Pilot Flame On Complete Shutdown Page 16 A_GC_SM_HDGASCOUNTERSERV_GT UT SERIES Rev 1 Gas Pressure Regulator Rear Gas Pressure Regulator Connection Options Pipe size 3 4 19 05 NPT for all models Ther are two options to connent a Gas Pressure Regulator as shown in Figure 2 and Figure 3 below Refer to Installation and Operation Manual for further details Figure 2 Gas pressure regulator connection is designed to flush mount e Note when installing as a flush mount gas pressure 2 L 2 regulator connection to allow for equipment O installation against noncombustible wall certified flexible gas hose and quick disconnect assembly is required to allow the unit to be moved in E the event an adjustment of the gas pressure regulator is required Figure 2 Figure 3 Gas pressure regulator
23. e 1 4528894 Label Conversion Ratings Hd Counter Griddles 1 4516405 Label Conversion Declaration 1 2127502 3 4 Regulator Natural 4 W C 1 Hi Low Griddle model G Kit Part 4531365 M8 37 37 Orifice Griddles Hi Lo Valve Nat 27 000 6 2200702 Pilot Orifice 32 Natural 6 4531371 Instructions Conversion Kit GTGGM Griddle Nat Propane 1 4516405 Label Conversion Declaration 1 4531370 Label Conversion Ratings Natural 1 2127502 3 4 Regulator Natural 4 2 W C 1 Thermostatic Griddle model GTGG GT q Kit Part 4528885 M8 36 36 Orifice Griddles Tstat Nat 32 000 6 2200702 Pilot Orifice 32 Natural 6 4528898 Instructions Conversion Kit Hd Counter Griddles Nat Propane 1 4528894 Label Conversion Ratings Counter Griddles 1 4516405 Label Conversion Declaration 1 2127502 3 4 Regulator Natural 4 W C 1 Thermostatic Griddle model GTGG GT M Kit Part 4531367 M8 33 33 Orifice Griddles Tstat Nat 28 000 6 2200702 Pilot Orifice 32 Natural 6 4531371 Instructions Conversion Kit GTGGM Griddle Nat Propane 1 4516405 Label Conversion Declaration 1 4531370 Label Conversion Ratings Natural 1 2127502 3 4 Regulator Natural 4 2 W C 1 Fixed amp Adjustable Radiant Broiler Kit Part 4528887 M8 45 45 Orifice Radiant Broiler Nat 18 000 10 4528899 Instructions Conversion Kit Hd Counter Broilers Nat Propane 1 4528896 Label Conversion Ratings Hd Counter Broilers 1 4516405 Label C
24. el Conversion Ratings Hd Counter Broilers 4516405 Label Conversion Declaration 2127500 3 4 Regulator Propane 10 W C Adjustable Charcoal Broiler Kit Part 4528890 M8 51 51 Orifice Ceramic Briquette Broiler Pro 30 000 4528899 Instructions Conversion Kit Hd Counter Broilers Nat Propane 4528895 Label Conversion Ratings Hd Counter Broilers 4516405 Label Conversion Declaration 2127500 3 4 Regulator Propane 10 W C 36 A_GC_SM_HDGASCOUNTERSERV_GT UT SERIES Rev 1 Gas Conversion Kits from Propane to Natural PART KIT COMPONENTS BTU HR PER BURNER QTY Open Tops and Step Up Open Tops Kit part 4528881 M8 36 836 Orifice Open Top Burners All Models Nat 30 000 8 4528897 Instructions Conversion Kit Hd Hotplate Nat Propane 1 4528892 Label Conversion Ratings Hotplates 1 4516405 Label Conversion Declaration 1 2127502 3 4 Regulator Natural 4 W C 1 Griddle model GTGG G Kit Part 4528883 M8 37 37 Orifice Griddles Hi Lo Valve Nat 26 000 6 2200702 Pilot Orifice 32 Natural 6 4528898 Instructions Conversion Kit Hd Counter Griddles Nat Propan
25. emoved from the body of the control for any reason 3 Verify manifold pressure before replacing 4 Familiar Open circuit closed circuit and drop out checks should be made if the internal safety valve is suspected to be at fault 5 This control does not require any initial flame setting 6 This control does not require internal calibration Some minor knob adjustments could be appropriate but it would be rare 7 faSIT control component is suspected to be internally at fault replace the control Installing a Thermocouple A thermocouple nut should be started and turned all the way in by hand An additional quarter turn with a small wrench will be sufficient to seat the lock washer and maintain adequate contact Connection that is too loose or too tight of the thermocouple nut to the automatic pilot valve can prevent the thermocouple from activating the valve Inspect the thermocouple lead visually to ensure there are no cracks or ruptures Testing the Magnet Assembly and Thermocouple Operation Heating at the thermocouple tip by a pilot flame produces an electric potential for energizing the magnet that in turn holds open the main and pilot valves When the pilot is out or improperly adjusted insufficient heat is applied to the thermocouple tip to produce adequate electrical generation that results in the control shutting itself off If while following the proper lighting procedures the magnet cannot be made to ho
26. he primary air to the burners Follow the steps below to provide a sharp blue flame at the full rate open valve fully for the maximum gas flow To adjust a burner air shutter Confirm manifold pressure matches rating plate Locate the aeration shutter on the burner e For Charcoal Broiler Models see Figure 6 e For Radiant Broiler Models see Figure 18 Loosen the fixing screw to allow the aeration shutter turn freely Turn on the gas flow and ignite the burner Rotate the air shutter until you obtain flame with 5 16 stable sharp inner blue cones Figure 15 Tighten the fixing screw Aeration Shuttler Fixing Screw Injector Location Air Flow Aeration Shutter Figure 6 Charcoal Broiler Air Shutter Fixing Screw Broiler Straight Burner Figure 18 Radiant Broiler Air Shutter H Burner Side View Figure 15 H Burner shown as an example A_GC_SM_HDGASCOUNTERSERV_GT UT SERIES Rev 1 Page 31 Troubleshooting Broilers WARNING Inspection testing and repair of equipment should be performed only by qualified service personnel Certain procedures in this section require gas tests or measurements while gas is applied to the unit Use extreme caution at all times If test points are not easily accessible disconnect main gas line attach test equipment and reapply gas supply to continue the test Always confirm manifold gas pressure at all times PROBLEM POSSIBLE CAUSE SOLUTION
27. hermostat 35 7 16 900mm Griddle Section Place Probe Here 5 3 4 emm 18 3 4 476 3mm 11 13 16 300mm FRONT 4 Take the reading and it should be between 335 deg F and 365 deg F If the reading is outside of these limits calibrate as follows a Carefully remove the dial without disturbing the shaft position oe OREASS SHAFT b Hold the shaft steady and with a small flat screw driver turn the calibration screw located inside the shaft clockwise to descrease temperature or anit clockwise to increase temperature Note Each 1 4 turn of the screw will create a change of approximately 25 deg F i NY INCRE ase c Replace the thermostat dial and repeat steps 1 through 3 to verify that a correct adjustment has been made Page 26 A_GC_SM_HDGASCOUNTERSERV_GT UT SERIES Rev 1 Griddle Adjustments GS Thermostat continued Replace a GS Thermostat Note It is not required to raise the griddle assembly for thermostat replacement iF 2 8 9 Remove knobs from all valves and thermostats Un install screws retaining the valve panel to unit and remove valve panel from unit Disconnect tubing connecting thermostat to on off valve and to burner orifice fitting While grasping capillary line as close as possible to front edge of griddle plate slide back the insulation sleeve Carefully pull outward on capillary and slide the
28. ld inspect the pilot flame for proper size and adjustment see pilot burner adjustment If the magnet will still not hold perform the following tests closed circuit test open circuit test Page 22 A_GC_SM_HDGASCOUNTERSERV_GT UT SERIES Rev 1 Griddle Adjustments SIT Thermostat continued Closed Circuit Test To test magnet amp thermostat as a complete unit Terminal Boss To perform the closed circuit test remove the thermocouple lead from the magnet contact Adapter Place an adapter in the magnet contact and turn the thermocouple into the adapter finger tight Connect millivolt leads to the adapter and thermocouple lead as shown Thermocouple Tube PN 4526299 In the Sit Control insert a metric M9 adapter in the magnet contact to complete the safety valve check as shown 1 Make sure the thermocouple is properly inserted into the pilot housing and has no play Also check gas tubing connection at the pilot and tighten if loose 2 Re light the pilot and read the meter after the pilot has been burning for three minutes If the pilot will not continue burning depress and hold the temperature knob to manually open the SIT safety valve to check the thermocouple output for this closed circuit check If insufficient normal output for closed circuit is 8 14 millivolts and under 7 millivolts replace the thermocouple If the millivolt reading is above 7 mV and the safety magnet does not hold replace the valve
29. n the momentary switch terminals Continuity must be indicated when button is pressed if not replace switch Figure 8 Momentary Front Switch Side Panel Rail Knob Momentary Switch Figure 9 SIT Tstat and Momentary Switch REAR VIEW Electronic Spark Generator ESG Rating Serial Plate Figure 10 A_GC_SM_HDGASCOUNTERSERV_GT UT SERIES Rev 1 Griddle Adjustments continued 2 2 Removal and Replacement of Electronic Spark REAR VIEW Generator ESG a Verify the rating plate voltage to ESG specification See section 2 3 below b Ensure power cord is unplugged J O Electronic Spark I c Before removing ESG check wires for continuity Generator ESS 000 Pa in case a wire is damaged Refer to section Wiring diagrams Figure 10 d Remove the ESG front box panel located at the back of the unit Figure 10 e Unscrew the two screws at each side of the ESG unit and unplug the terminal wires Remove the ESG unit f Replace ESG unit in reverse order 2 3 ESG Technical Specification Part 4514749 Part 4514750 Input Voltage 1 2 220 2
30. ng temperature desired maintaining a stable flame covering the entire burner minimum 3 16 5mm long flame 5 Replace the dial and turn to OFF position Remove and replace a Hi Low Valve 1 Remove knobs 2 Remove the four 4 screws from front panel and remove panel 3 Disconnect gas line and then unscrew valve from manifold 4 Install new valve in reverse order 5 Reconnect gas line 6 Checkfor gas leaks Burner Gas Air Shutter Adjustment Variations in field conditions and or rough handling of the equipment in transit may result in the need for adjustment of the primary air to the burners The Injector Location following steps will show you how to provide a sharp blue flame at the full rate open valve fully for the maximum gas flow Fixing Screw Air Flow Aeration Shutter Figure 6 1 the burner locate the aeration shutter figure 6 2 Loosen the fixing screw so that the aeration shutter turns freely 3 Turn on the gas flow and ignite the burner 4 Rotate the air shutter to obtain the 5 16 stable sharp inner blue cones figure 15 H Burner Side View Figure 15 Page 28 A_GC_SM_HDGASCOUNTERSERV_GT UT SERIES Rev 1 Troubleshooting Griddles WARNING Inspection testing and repair of equipment should be performed only by qualified service personnel Certain procedures in this section require gas tests or measurements while gas is applied to the unit Use extreme caution at
31. oiler Non adjustable Grates Models Supply Operating Pressure GTBG24 NR24 Shown Page 12 A GC SM HDGASCOUNTERSERV GT UT SERIES Rev 1 Technical Data Model Information Garland Models US Range Models Model Information GTBG24 AR24 UTBG24 AR24 Gas Broiler W Adjustable Grates and Cast Iron Radiant GTBG36 AR36 UTBG36 AR36 wein W Adjustable Grates and Cast Iron GTBG48 AR48 UTBG48 AR48 Gas Broiler W Adjustable Grates and Cast Iron Radiant GTBG60 AR60 UTBG60 AR60 a W Adjustable Grates and Cast Iron Line Ratings cp a Manifold Pressure Manifold Pressure NE ae 4 _GTBG24 AR24 UTBG24 AR24 72000 45 72 000 413 For use with Natural or Propane gas only Gas input ratings shown for installation up to 2000 ft 610m above sea level Supply Operating Pressure GTBG24 AR24 Shown S 2po A 591610 ejqeisnfpy Jajioug A GC SM HDGASCOUNTERSERV GT UT SERIES Rev 1 Page 13 Technical Data Model Information Garland Models US Range Models Model Information GTBG24 AB24 UTBG24 AB24 Gas Broiler Grates and Ceramic Coals 24 GTBG36 AB36 UTBG36 AB36 Gas Broiler Grates and Ceramic Coals 36 Wide GTBG48 AB48 UTBG48 AB48 Gas Broiler Grates and Ceramic Coals 48 Wide GTBG60 AB60 UTBG60 AB60 Gas Broiler Grates and Ceramic Coals 60 Wide Line Ratings at Natural Gas 4 5 WC L Propane Gas 10 WC Manifold Pressure
32. onversion Declaration 1 2127502 3 4 Regulator Natural 4 W C 1 Adjustable Charcoal Broiler Kit Part 4528889 M8 36 36 Orifice Ceramic Briquette Broiler Nat 30 000 6 4528899 Instructions Conversion Kit Hd Counter Broilers Nat Propane 1 4528896 Label Conversion Ratings Hd Counter Broilers 1 4516405 Label Conversion Declaration 1 2127502 3 4 Regulator Natural 4 W C 1 A_GC_SM_HDGASCOUNTERSERV_GT UT SERIES Rev 1 Page 37 Bulletins amp Revision History Bulletins BULLETIN SUBJECT DATE 03 B 2010 SP New Heavy Duty Gas Counter line 20 JULY 10 07 B 2010 S Wire Link Rod Upgrade 26 OCT 10 GAR 01 11 AIC Wire Link Rod amp Lifting Bar Assembly Lock Upgrades 4 FEB 11 GAR 02 11 AIC Correct Gas Connections for SIT Griddle Controls 25 MAR 11 GAR 05 11 AIC Service Kit for Momentary Switch Part Numbers 4527834 amp G03053 1 13 SEP T1 GAR 07 11 AIC New SIT Griddle Control Thermostat Kit 30 SEP 11 Revision History REV DESCRIPTION DATE 0 New Service Manual released 20 AUG 10 1 Added new GT UTGG__M models with GS Tstat 18 MAR 13 Page 38 A_GC_SM_HDGASCOUNTERSERV_GT UT SERIES Rev 1 2L Garland U S Range GT UT Series Heavy Duty Counter Equipment Service Manual Garland Commercial Ranges Ltd Parts amp Service 1177 Kamato Road 1 800 427 6668 Phone US amp Canada anifOWOC Mississauga Ontario LAW 1X4 Canada 1 800 361 7745 Fax US amp Canada
33. opane 6 4528898 Instructions Conversion Kit Hd Counter Griddles Nat Propane 1 4528893 Label Conversion Ratings Hd Counter Griddles 1 4516405 Label Conversion Declaration 1 2127500 3 4 Regulator Propane 10 W C 1 Hi Low Griddle model GTGG Kit Part 4531366 M8 53 53 Orifice Griddles Hi Lo Valve Pro 27 000 6 2200703 Pilot Orifice 23 Propane 6 4531371 Instructions Conversion Kit GTGGM Griddle Nat Propane 1 4516405 Label Conversion Declaration 1 4531369 Label Conversion Ratings Propane 1 2127500 3 4 Regulator Propane 10 W C 1 Thermostatic Griddle model GTGG GT Kit Part 4528886 M8 51 51 Orifice Griddles Tstat Pro 32 000 6 2200703 Pilot Orifice 23 Propane 6 4528898 Instructions Conversion Kit Hd Counter Griddles Nat Propane 1 4528893 Label Conversion Ratings Hd Counter Griddles 1 4516405 Label Conversion Declaration 1 2127500 3 4 Regulator Propane 10 W C 1 Thermostatic Griddle model GTGG_ GT M Kit Part 4531368 M8 52 52 Orifice Griddles Tstat Pro 28 000 2200703 Pilot Orifice 23 Propane 4531371 Instructions Conversion Kit GTGGM Griddle Nat Propane 4516405 Label Conversion Declaration 4531369 Label Conversion Ratings Propane 2127500 3 4 Regulator Propane 10 W C Fixed amp Adjustable Radiant Broiler Kit Part 4528888 M8 1 3MM 1 3Mm Orifice Radiant Broiler Pro 18 000 10 4528899 Instructions Conversion Kit Hd Counter Broilers Nat Propane 4528895 Lab
34. ormance on o E Panel 2 2 o Pilot Adjustment Valves Location e All pilots adjustment valves are located on the manifold behind the front panel Figure 17 Manifold e To remove the front panel remove knobs with set screws Valve Then release the four 4 screws holding the panel and remove Figure 17 panel Gas Burner Control Valves 1 Non adjustable Burner Control Valve Charcoal models only e Regulates the flow of gas to the burner e Fixed and non adjustable control Valves located behind the knobs connected to the manifold 2 Adjustable Hi Low Burner Control Valve e Regulates the flow of gas to the burner e Usea straight blade pocket screwdriver to adjust low setting higher or lower e Valves are located behind the knobs connected to the manifold Adjustable Valve Reminder Adjustments on valves are for the low flames setting only To remove and replace a control valve 1 Remove the knobs 2 Remove the four 4 screws holding the front panel and remove panel 3 Disconnect gas line Then unscrew valve from the manifold 4 Install a new valve in reverse order 5 Reconnect gas line Page 30 A GC SM HDGASCOUNTERSERV GT UT SERIES Rev 1 Broiler Adjustments continued Burner Gas Air Shutter Adjustment Variations in field conditions and or rough handling of the equipment in transit may result in the need for adjustment of t
35. rmostat bulb out of clamp assembly on bottom of plate lH Ss we 4 NO p mu 1 Remove the insulation sleeve from capillary Unfasten screws mounting thermostat to manifold and remove thermostat from unit Mount replacement thermostat to manifold with screws removed in Step 7 Slide insulation sleeve removed in Step 6 onto capillary of new thermostat 10 Place thermostat bulb through cut out in front support shield and into the V opening of clamp assembly 11 12 and push into clamp assembly until it comes to a stop Slide insulation sleeve along capillary line up to start of clamp assembly Re install valve panel and knobs A_GC_SM_HDGASCOUNTERSERV_GT UT SERIES Rev 1 Page 27 Griddle Adjustments Hi Low Valve Griddles with Hi Low Valves The Hi Low Gas Valves are located behind the knobs connected to the manifold Use a straight blade pocket screwdriver to adjust low setting higher or lower Reminder Adjustments on valves are for the low flames setting only See section Adjuct Hi Lo Valve below Adjust a Hi Lo Valve Griddles equipped with Hi Lo valves required a low flame setting To adjust 1 Burner must cold 2 Ensure pilot flames are lit and adjusted Adjustable Valve 3 Turn dial to LO position then remove dial 4 With a screwdriver turn the small adjusting screw inside the valve stem and adjust to obtain the low cooki
36. rner top grate Pilot flames on griddles and broilers can be viewed through observation holes in the stainless steel front panels If you do not have a pilot flame established fairly quickly and begin to smell gas shut off the main valve and wait five minutes to let the gas build up escape Only once the pilot flame has been established should you turn on the burner control When the burner control is on it allows gas flow to the burner if there is no pilot flame it will allow gas to build up and cause possible delayed ignition which could result in an explosion Pilots are easily accessible Make sure the individual burner valve is in the off position then use an open flame device match or lighter to ignite Broilers Models Pilots are easily accessible Make sure the individual burner valve is in the off position then use an open flame device match or lighter to ignite Griddles with Valve Controls e sure the individual valve control is in the off position e Use the piezo spark button s or electric spark if your model has this option to ignite the pilot e Once the pilots are lit you may now turn your valve control to the high or low flame setting e To shut down the main burner turn the valve to off position A GC SM HDGASCOUNTERSERV GT UT SERIES Rev 1 Page 15 General Pilot Procedures continued Griddles with SIT Thermostats 1 Turn thermostat control knob to the
37. st be within 350 F 25 F The average of high and low values must be 350 F 10 F If not go to step 7 Rotate the dial in small increments until within tolerance and adjust dial following Knob calibration instructions Knob calibration can adjust set point by 30 F 15 F from midpoint setting Set Dial at 400 F on all burners Take dial to Max and back down to 400 F position on the dial and confirm calibration on insert The average of high and low values must be 400 F 20 F those corrected at step 7 Additional Calibration if not within accepted tolerance Figure 14 Change the control if low and high values exceed swing of 50 F Replacement and or average is not between 380 F and 420 F after Knob Calibration Procedure A_GC_SM_HDGASCOUNTERSERV_GT UT SERIES Rev 1 Page 25 Griddle Adjustments GS Thermostat Thermostatic Griddle Adjustments GS Control GS Thermostat Calibration Instructions 1 Use a test instrument with a special disc type thermocouple or a reliable surface type pyrometer Note A drop of oil on the face of the disc will provide better contact with the griddle plate 2 Setall griddle thermostats to 350 deg F In order to stablize the griddle temperature you must cycle the thermostats twice before taking a test reading 3 Check the griddle temperature when the thermostat just cycles OFF by placing the thermocouple firmly on the griddle surface directly above the sensing bulb of the t
38. tors GTGG24 G24M GTGG36 G36M GTGG48 G48M GTGG60 G60M UTGG60 G60M 135 000 135 000 GTGG72 G72M UTGG72 G72M 162 000 162 000 For use with Natural or Propane gas only Gas input ratings shown for installation up to 2000 ft 610m above sea level Supply Operating Pressure GTGG36 G36M Shown A GC SM HDGASCOUNTERSERV GT UT SERIES Rev 1 IN 5 paj onuo AJLA Page 9 Technical Data Model Information Garland Models US Range Models Model Information GTGG24 GT24 UTGG24 GT24 Gas Thermostatically Controlled Griddle 24 Wide GTGG36 GT36 UTGG36 GT36 Gas Thermostatically Controlled Griddle 36 Wide GTGG60 GT60 UTGG60 GT60 Gas Thermostatically Controlled Griddle 60 Wide GTGG72 GT72 UTGG72 GT72 Gas Thermostatically Controlled Griddle 72 Wide Line Ratings Manifold Pressure Manifold Pressure Models Models BTU h _Injectors BTU h Injectorst GTGG48 GT48 UTGG48 GT48 Gas Thermostatically Controlled Griddle 48 Wide For use with Natural or Propane gas only Gas input ratings shown for installation up to 2000 ft 610m above sea level Thermostat Controlled Griddle Models Supply Operating Pressure GTGG36 GT36 Shown Page 10 A GC SM HDGASCOUNTERSERV GT UT SERIES Rev 1 Technical Data Model Information Garland Models US Range Models Model Information GTGG24 GT24M UTGG24 GT24M Gas Thermostatically Controlled Griddle 24
39. tton Piezo igniter system Figure 8 consists of a small soring loaded hammer which creates voltage when a button is pressed 120V electric connection is NOT required wires are needed to move the electricity to an electrode close to the pilot Proper alignment is critical for better performance Only one Spark is generated per press of the button When equipment installed above 8000 feet sea level lighters with piezo electric ignition are no longer reliable 2 Electronic Spark Igniter System consists of an Electronic Spark Generator ESG box Figure 10 momentary switch Figure 9 and electrical components plus wires to discharge a spark across a gap between electrodes spark gap See below section 2 3 ESG Technical Specification When electrical voltage connection is required refer to section Wiring Diagram 2 1 Remove Test and Replace a Momentary Switch MS a b Page 20 Ensure power cord is unplugged Remove decorative dress nut off the momentary switch Remove knobs with set screws Remove the four 4 screws from front panel and remove panel Griddle with SIT Thermostat On the LEFT hand side of the unit remove screw and the momentary switch side panel Figure 9 Griddle with GS Thermostat On the RIGHT hand side of the unit remove screw and the momentary switch side panel not shown Remove momentary switch nut and unplug rear terminal wires Connect multi tester probes o

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