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Garland Commercial Ranges, Ltd

.

1177 Kamato Road
Mississauga, Ontario  L4W 1X4  Canada
General Inquiries P: 905 624 0260 F: 905 624 5669
www.Garland-Group.com

Parts & Service

1 800 427 6668 (Phone, US & Canada)
1 800 361 7745 (Fax, US & Canada)

GT/UT Series Heavy Duty Counter Equipment — Service Manual

Содержание Garland GTBG24-AB24

Страница 1: ...ied 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 ...

Страница 2: ... 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 accordance 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 Manua...

Страница 3: ...re regulator 17 Open Top Burners Adjustments 18 Pilot Adjustment Valves 18 Burner Gas Air Shutter Adjustment 18 Troubleshooting Open Top Burners 19 Griddle Adjustments 20 Griddle Spark Igniter 20 High Tension Lead HTL Insulation 21 Thermostatic Griddle Adjustments SIT Control 22 Thermostatic Griddle Adjustments GS Control 26 Griddles with Hi Low Valves 28 Troubleshooting Griddles 29 Broiler Adjust...

Страница 4: ...g 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 Serial Number Year Month Information From June 2004 to Present the Serial Number is 13 Digits Long 10 05 1001 00668 Sequential Number Factory Code Month Year ...

Страница 5: ...Model out of production GTGG__ GT__M UTGG__ GT__M Thermostat Controlled Griddle Model with Suffix M GT UT G G 48 G 48 M 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 GTBG__ NR__ UTBG__ NR__ Non Adjustable Fixed Radi...

Страница 6: ...ngs Garland US Range Natural Gas 4 5 WC Manifold Pressure L Propane Gas 10 WC Manifold Pressure Models Models BTU h Injectors BTU h Injectors GTOG12 2 UTOG12 2 60 000 36 52 000 53 GTOG24 4 UTOG24 4 120 000 36 104 000 53 GTOG36 6 UTOG36 6 180 000 36 156 000 53 GTOG48 8 UTOG48 8 240 000 36 208 000 53 For use with Natural or Propane gas only Gas input ratings shown for installation up to 2000 ft 610m...

Страница 7: ...s Garland US Range Natural Gas 4 5 WC Manifold Pressure L Propane Gas 10 WC Manifold Pressure Models Models BTU h Injectors BTU h Injectors GTOG24 SU4 UTOG24 SU4 120 000 36 108 000 1 6mm GTOG36 SU6 UTOG36 SU6 180 000 36 162 000 1 6mm GTOG48 SU8 UTOG48 SU8 240 000 36 216 000 1 6mm For use with Natural or Propane gas only Gas input ratings shown for installation up to 2000 ft 610m above sea level Su...

Страница 8: ...72 Wide Line Ratings Garland US Range Natural Gas 4 5 WC Manifold Pressure L Propane Gas 10 WC Manifold Pressure Models Models BTU h Injectors BTU h Injectors GTGG24 G24 UTGG24 G24 52 000 37 52 000 53 GTGG36 G36 UTGG36 G36 78 000 37 78 000 53 GTGG48 G48 UTGG48 G48 104 000 37 104 000 53 GTGG60 G60 UTGG60 G60 130 000 37 130 000 53 GTGG72 G72 UTGG72 G72 156 000 37 156 000 53 For use with Natural or P...

Страница 9: ... Line Ratings Garland US Range Natural Gas 4 5 WC Manifold Pressure L Propane Gas 10 WC Manifold Pressure Models Models BTU h Injectors BTU h Injectors GTGG24 G24M UTGG24 G24M 54 000 35 54 000 52 GTGG36 G36M UTGG36 G36M 81 000 35 81 000 52 GTGG48 G48M UTGG48 G48M 108 000 35 108 000 52 GTGG60 G60M UTGG60 G60M 135 000 35 135 000 52 GTGG72 G72M UTGG72 G72M 162 000 35 162 000 52 For use with Natural o...

Страница 10: ...GG72 GT72 UTGG72 GT72 Gas Thermostatically Controlled Griddle 72 Wide Line Ratings Garland US Range Natural Gas 4 5 WC Manifold Pressure L Propane Gas 10 WC Manifold Pressure Models Models BTU h Injectors BTU h Injectors GTGG24 GT24 UTGG24 GT24 64 000 36 64 000 51 GTGG36 GT36 UTGG36 GT36 96 000 36 96 000 51 GTGG48 GT48 UTGG48 GT48 128 000 36 128 000 51 GTGG60 GT60 UTGG60 GT60 160 000 36 160 000 51...

Страница 11: ...ontrolled Griddle 72 Wide Line Ratings Garland US Range Natural Gas 4 5 WC Manifold Pressure L Propane Gas 10 WC Manifold Pressure Models Models BTU h Injectors BTU h Injectors GTGG24 GT24M UTGG24 GT24M 56 000 33 56 000 52 GTGG36 GT36M UTGG36 GT36M 84 000 33 84 000 52 GTGG48 GT48M UTGG48 GT48M 112 000 33 112 000 52 GTGG60 GT60M UTGG60 GT60M 140 000 33 140 000 52 GTGG72 GT72M UTGG72 GT72M 168 000 3...

Страница 12: ...Grates and Cast Iron Radiant Line Ratings Garland US Range Natural Gas 4 5 WC Manifold Pressure L Propane Gas 10 WC Manifold Pressure Models Models BTU h Injectors BTU h Injectors GTBG24 NR24 UTBG24 NR24 72 000 45 72 000 1 3mm GTBG36 NR36 UTBG36 NR36 108 000 45 108 000 1 3mm GTBG48 NR48 UTBG48 NR48 144 000 45 144 000 1 3mm GTBG60 NR60 UTBG60 NR60 180 000 45 180 000 1 3mm For use with Natural or Pr...

Страница 13: ...ates and Cast Iron Radiant Line Ratings Garland US Range Natural Gas 4 5 WC Manifold Pressure L Propane Gas 10 WC Manifold Pressure Models Models BTU h Injectors BTU h Injectors GTBG24 AR24 UTBG24 AR24 72 000 45 72 000 1 3mm GTBG36 AR36 UTBG36 AR36 108 000 45 108 000 1 3mm GTBG48 AR48 UTBG48 AR48 144 000 45 144 000 1 3mm GTBG60 AR60 UTBG60 AR60 180 000 45 180 000 1 3mm For use with Natural or Prop...

Страница 14: ...e Grates and Ceramic Coals 60 Wide Line Ratings Garland US Range Natural Gas 4 5 WC Manifold Pressure L Propane Gas 10 WC Manifold Pressure Models Models BTU h Injectors BTU h Injectors GTBG24 AB24 UTBG24 AB24 60 000 36 60 000 51 GTBG36 AB36 UTBG36 AB36 90 000 36 90 000 51 GTBG48 AB48 UTBG48 AB48 120 000 36 120 000 51 GTBG60 AB60 UTBG60 AB60 150 000 36 150 000 51 For use with Natural or Propane ga...

Страница 15: ...the burner top grate Pilot flames on griddles and broilers can be viewed through observation holes in the stainless steel front panels 6 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 7 Only once the pilot flame has been established should you turn on the burner control When the burner ...

Страница 16: ...n 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 Garl...

Страница 17: ...y to allow the unit to be moved in the event an adjustment of the gas pressure regulator is required Figure 3 Purpose of gas pressure regulator Basics Of A Gas Pressure Regulator Inlet Outlet Atmospheric Removable Seal Cap Vent Adjustment Screw Loading Element Spring Measuring Element Diaphragm Restricting Element Valve Disk and Seat Gas pressure regulators have two main purposes to reduce supply ...

Страница 18: ...nd remove panel Adjustable Set Screw Pilot Tip Figure 16 Gas Manifold Gum Valve Front Panel Figure 17 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 following steps will show you how to provide a sharp blue flame at the full rate open valve fully for the m...

Страница 19: ...ly 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 Too much air mixing with gas Reduce air shutter opening Flashes back in burner Pop s excessively when turned off Delayed ignition Unit over gassed fired Adjust manifold pressure Incorrect ...

Страница 20: ...ires 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 Ensure power cord is unplugged b Remove decorative dress nut off the momentary switch c Remove knobs with set screws d Remove the four 4 screws from fr...

Страница 21: ...e ESG unit f Replace ESG unit in reverse order Electronic Spark Generator ESG ZĂƟŶŐ ĞƌŝĂů Plate REAR VIEW Figure 10 2 3 ESG Technical Specification Electronic Spark Generator ESG Part 4514749 Part 4514750 Input Voltage 1 2 220 240 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 Power Consumption 0 8VA MAX 0 6VA MAX ...

Страница 22: ... require internal calibration Some minor knob adjustments could be appropriate but it would be rare 7 If a SIT 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 con...

Страница 23: ...fety 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 3 If the closed circuit mV reading is the same as the open circuit reading the coil is electrically open and the valv...

Страница 24: ...rew 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 Pilot adjustment screw The pilot flame should be approximately 3 4 long 3 4 long Engulf Tip of thermocouple ...

Страница 25: ...sition on the dial insert 4 Start Up Do not take temperature readings for the first 30 minutes if the griddle was started from cold Must be preheated and saturated 5 Visual check Pilot flame and ignition burner flame Note Accepted Tolerance Temperatures swing at 3500 F is 150 F Average temperatures at 3500 F 100 F 6 Monitor Temperature Read and record consecutively the lowest and highest temperatu...

Страница 26: ...s OFF by placing the thermocouple firmly on the griddle surface directly above the sensing bulb of the thermostat 5 3 4 146 1mm 11 13 16 300mm 18 3 4 476 3mm 35 7 16 900mm FRONT Place Probe Here ƌŝĚĚůĞ ĞĐƟŽŶ 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 posi...

Страница 27: ...dle plate slide back the insulation sleeve 5 Carefully pull outward on capillary and slide thermostat bulb out of clamp assembly on bottom of plate 6 Remove the insulation sleeve from capillary 7 Unfasten screws mounting thermostat to manifold and remove thermostat from unit 8 Mount replacement thermostat to manifold with screws removed in Step 7 9 Slide insulation sleeve removed in Step 6 onto ca...

Страница 28: ...eplace the dial and turn to OFF position Adjustable Valve 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 Check for gas leaks Burner Gas Air Shutter Adjustment Variations in field conditions and or rough handling of the...

Страница 29: ...h gas Reduce air shutter opening Flashes back in burner Pop s excessively when turned off Griddle too hot or too cold Thermostat out of Calibration Thermostat Griddle Check Calibration temperature with actual readings See calibration procedure Hi lo valve set wrong Hi Lo Valve Griddle Adjust hi lo valve Adjust on low setting only burner cold Lowest stable flame Delayed ignition Unit over gassed fi...

Страница 30: ...le Set Screw Pilot Tip Figure 16 Gas Manifold Gum Valve Front Panel Figure 17 Gas Burner Control Valves 1 Non adjustable Burner Control Valve Charcoal models only Regulates the flow of gas to the burner Fixed and non adjustable control Valves located behind the knobs connected to the manifold 2 Adjustable Hi Low Burner Control Valve Regulates the flow of gas to the burner Use a straight blade pock...

Страница 31: ...ng plate 2 Locate the aeration shutter on the burner For Charcoal Broiler Models see Figure 6 For Radiant Broiler Models see Figure 18 3 Loosen the fixing screw to allow the aeration shutter turn freely 4 Turn on the gas flow and ignite the burner 5 Rotate the air shutter until you obtain flame with 5 16 stable sharp inner blue cones Figure 15 6 Tighten the fixing screw Injector LŽĐĂƟŽŶ Fixing Scr...

Страница 32: ...POSSIBLE CAUSE SOLUTION Burner Flame soft lazy tip yellow Not enough air mixing with gas Open air shutter Flames lift off burners Too much air mixing with gas Reduce air shutter opening Flashes back in burner Pop s excessively when turned off Delayed ignition Unit over gassed fired Adjust manifold pressure Incorrect injector Check injector size Burner ports plugged Clean burner ports Pilot burner ...

Страница 33: ...A_GC_SM_HDGASCOUNTERSERV_GT UT SERIES Rev 1 Page 33 Notes ...

Страница 34: ...A_GC_SM_HDGASCOUNTERSERV_GT UT SERIES Rev 1 Page 34 Wiring Diagram GTGG UTGG__M Models Electric Spark ...

Страница 35: ...7 4 07 7 5 0 7 07 5 4 5 12 7 875B 5 5 7 5 07 1 6 2 2 0 6 9 4 2 1 8A 9 4 5 8 686 7 B 2 1 0 8 7 7 627 5 0 8 7 7 627 5 7 5 7 5 2072 287 2 0 7 8 9 4 0 7 8 0 54 0 7 6 5 29 FLEX CONDUIT 38 FOR 24 48 WIDTH MODELS MODELS 24 36 48 WIDE REQUIRE 1 SPARK GENERATOR MODELS 60 72 WIDE REQUIRE 2 SPARK GENERATORS FLEX CONDUIT 50 FOR 36 60 72 WIDTH MODELS ...

Страница 36: ...pane 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 Gr...

Страница 37: ...atural 4 W C 1 Thermostatic Griddle model GTGG__ GT__ 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 Hd Counter Griddles 1 4516405 Label Conversion Declaration 1 2127502 3 4 Regulator Natural 4 W C 1 Thermostatic Griddle model GTGG__ GT__M Kit Par...

Страница 38: ...11 AIC Wire Link Rod 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 G03053 1 13 SEP 11 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...

Страница 39: ......

Страница 40: ...o Road Mississauga Ontario L4W 1X4 Canada General Inquiries P 905 624 0260 F 905 624 5669 www Garland Group com Parts Service 1 800 427 6668 Phone US Canada 1 800 361 7745 Fax US Canada GT UT Series Heavy Duty Counter Equipment Service Manual ...

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