Garland G Series, Technical Reference Manual

Page 1: ...Part GCTRM Rev 3 12 10 09 2006 Garland Commercial Industries Inc Gas Controls Technical Reference Manual...

Page 2: ...Part GCTRM Rev 3 12 10 09 Page 2...

Page 3: ...cation 17 Section 3 Certification Markings 21 Section 4 Properties And Characteristics of Fuel Gases 25 Section 5 Operation Of Controls 27 Section 6 Gas Valves And Adjustments 31 Section 7 Adjustments...

Page 4: ...Part GCTRM Rev 3 12 10 09 Page 4...

Page 5: ...Part GCTRM Rev 3 12 10 09 Page 5 Section 1 Model Number Identification...

Page 6: ...ner Input Rates Burner Input BTU HR Natural Gas Propane Gas Open Top 33 000 26 000 Hot Top Burner In lieu of 2 open top burners 20 000 19 000 Griddle Burner In lieu of 2 open top burners 20 000 19 000...

Page 7: ...dard oven storage base 368 000 292 000 G60 10CS 60 1524mm nominal size unit 10 open burners convection oven storage base 368 000 292 000 G60 10CR 60 1524mm nominal size unit 10 open burners standard o...

Page 8: ...24 610mm 36 914mm 3 4 NPT Rear Gas Connection 48 1219mm 60 1524mm 1 NPT Rear Gas Connection Individual Burner Input Rates Burner Input BTU HR Natural Gas Propane Gas Open Top 32 000 26 000 Hot Top Bu...

Page 9: ...rs standard oven storage base 358 000 292 000 U60 10CS 60 1524mm nominal size unit 10 open burners convection oven storage base 358 000 292 000 U60 10CR 60 1524mm nominal size unit 10 open burners sta...

Page 10: ...Combustible Wall Minimum 0 0 Gas Pressures Gas Minimum Supply Pressure Manifold Operating Pressure Natural 7 WC 17 5 mbar 4 5 WC 11 25 mbar Propane 11 WC 28 mbar 10 WC 25 mbar Gas Inlet Size Model Wid...

Page 11: ...pace saver oven 145 000 129 000 X36 6S 36 914mm nominal size unit 6 open burners storage base 180 000 156 000 X36 6R 36 914mm nominal size unit 6 open burners standard oven 213 000 185 000 X60 10SS 60...

Page 12: ...RC 2 Convection Oven G284RC2 H284RC2 P284RC2 24 Raised Griddle Broiler 60 Wide 6 Burner 2 Std Ovens 283 383 G283 GV283 H283 P283 1 1 Std Oven Storage Base 282 382 G282 H282 P282 1 1 Std Oven Convectio...

Page 13: ...RC E 34 Range with convection oven and two 17 wide even heat hot top sections M MS MST46S E 34 Range with oven storage compartment and two 17 wide even heat hot top sections M MS MST46T E 34 Modular t...

Page 14: ...rners front and 2 hot tops rear with standard oven 45 40R 34 Two 17 spectro heat plate sections with standard oven 46 40R 34 Two 17 even heat plate sections with standard oven 47 49R 34 34 valve contr...

Page 15: ...e of Griddle Blank no griddle 12 12 griddle 24 24 griddle 36 36 griddle 48 48 griddle 60 60 griddle 72 72 griddle Griddle G Manual TG Thermostat control BG Broiler griddle combination Number of open t...

Page 16: ...836 16 2 Sections Front 2 Sections Back 836 17 1 Section 1 Section BTU Ratings Natural Gas Propane Gas Oven Burner Standard 40 000 BTU Hr 35 000 BTU Hr Convection 37 000 BTU Hr 37 000 BTU Hr Open Top...

Page 17: ...Part GCTRM Rev 3 12 10 09 Page 17 Section 2 Serial Number Identification...

Page 18: ...a six digit serial number up to the mid 1990 s In table 2 you will be able to tell approximately when the appliance was built Table 2 NUMBER DATE NUMBER DATE NUMBER DATE 033000 6 1974 160000 4 1985 3...

Page 19: ...d Pa RE 680 Series E20 Stock Pot ERC ER 10 Series Broilers 680 Series Broilers BG G80 Series Charbroiler SRC SRC16 40 280 Series Broiler Residential BBQ TP F30 F40E G Frypan Skillets HG Master Series...

Page 20: ...Part GCTRM Rev 3 12 10 09 Page 20...

Page 21: ...Part GCTRM Rev 3 12 10 09 Page 21 Section 3 Certification Markings...

Page 22: ...tation mark is not required in Canada there are certain areas where the Canadian Food Inspection Agency CFIA may have a requirement Typically they get involved with equipment sold to meat processing p...

Page 23: ...3 UL Gas Fired Some gas equipment manufactured by GCI bears the UL GAS FIRED mark There are three types of mark UL CUL and CULUS the marks are for the US Canada and Canada US respectively Equipment b...

Page 24: ...Part GCTRM Rev 3 12 10 09 Page 24...

Page 25: ...Part GCTRM Rev 3 12 10 09 Page 25 Section 4 Properties And Characteristics of Fuel Gases...

Page 26: ...ity of LP When compared to water LP has a specific gravity of 0 51 Propane is lighter than water and if it were to be spilled in a liquid form on water it would float on the surface Expansion Factors...

Page 27: ...Part GCTRM Rev 3 12 10 09 Page 27 Section 5 Operation Of Controls...

Page 28: ...n on the burner 3 Turn the burner valve on A sharp blue flame should be approximately 1 4 high 4 Replace hot top sections Thermostatic Controlled Griddles 1 Raise the griddle at the front and block 2...

Page 29: ...line gas valve Relighting 1 Shut all gas valves off 2 Wait 5 minutes 3 Repeat lighting instructions in section A above G U X Restaurant Ranges Sit Control Lighting 1 Push in the SIT control knob Whil...

Page 30: ...t stay lit after you release the reset button wait 5 minutes and repeat Step 2 and hold the reset button approximately 60 seconds Start Up 1 Activate the power switch to the cook position 2 Turn the o...

Page 31: ...Part GCTRM Rev 3 12 10 09 Page 31 Section 6 Gas Valves And Adjustments...

Page 32: ...BLE PILOT VALVE BURNER PILOT ADJUSTMENT SCREW OVEN PILOT ADJUSTMENT SCREW BURNER CONTROLS OPENING IN VALVE PANEL BURNER PILOT ADJUSTMENT SCREW OPENING IN VALVE PANEL BURNER CONTROLS SINGLE PILOT VALVE...

Page 33: ...tments or calibrations CombinationValve Pilot safety and gas control in one Also known as fame failure device Used together with oven thermostat on the Master Series and ST280 Series Also available on...

Page 34: ...to keep the thermocouple junction hot In between the pilot and the thermocouple is an electrode which can be used to spark ignite the pilot This can either be from a piezo igniter or from an electric...

Page 35: ...unt of air by opening the air shutter 7 16 Oven H Burner Side View Knuckle burners 4 to 6 stable blue flame with slight yellow tips 4 to 6 Blue Flame Air Shutter Air Shutter Hood Knuckle Burner Side V...

Page 36: ...Part GCTRM Rev 3 12 10 09 Page 36...

Page 37: ...Part GCTRM Rev 3 12 10 09 Page 37 Section 7 Adjustments Removal Replacement And Calibration Of Controls...

Page 38: ...ing gas valve Dual Main Gas Inlet and Outlet Two Mount Options Thermoelectic Pilot Safety Valve Thermocouple Connection Pilot Gas Outlet Gas Inlet Pressure Test Gas Outlet Pressure Test Thermostatic b...

Page 39: ...ed bypass orifice 4 This control does not require internal calibration Some minor knob adjustments could be appropriate but it would be rare 5 If a Sit control component is suspected to be internally...

Page 40: ...couple using the above procedure but in reverse Thermostat Replacement 1 Unmount the oven thermostat capillary from its holder 2 Carefully snake the capillary through the guide holes and out of the gu...

Page 41: ...Remove the thermostat To install a new thermostat 1 Ensure that the fittings removed from the housing are installed in the same location where they were found on the control that is being replaced 2...

Page 42: ...as to keep the entire burner lighted To maintain this minimum flame the by pass must be set carefully and accurately Instructions on setting the by pass feature on the BJWA are as follows 1 Light the...

Page 43: ...push the calibration stem Do Not turn this stem 6 While holding the calibration stem firmly with the screwdriver turn the dial until it is set at the actual temperature as shown on your meter Release...

Page 44: ...clockwise to increase the bypass flame or clockwise to decrease the entire flame to a minimum stable flame 4 Replace the dial CAUTION While making this adjustment if the oven should become heated whil...

Page 45: ...ike hold an attempt of re calibration we suggest that the thermostat be replaced UN Type Griddle Thermostat H L CALIBRATION PLATE CALIBRATION ADJUSTMENT SCREW BY PASS ADJUSTING SCREW CALIBRATION MARKS...

Page 46: ...sions 6 Replace the dial turning the dial to the OFF position 7 Repeat steps 1 through 3 to make sure the correct adjustment has been made Electric Thermostat Thermostat Operation It is normal for a h...

Page 47: ...riddle thermostats to 300 F In order to allow the griddle temperature to stabilize the thermostats must be allowed to cycle twice before taking a test reading 3 Check the griddle temperature when the...

Page 48: ...Part GCTRM Rev 3 12 10 09 Page 48...

Page 49: ...Part GCTRM Rev 3 12 10 09 Page 49 Section 8 Gas Pressure Regulators...

Page 50: ...lowest rated item downstream of the relief device Most natural and all propane relief devices must be vented outdoors Hydrostatic Relief Device A hydrostatic relief device is used in propane systems...

Page 51: ...38 Low Capacity Appliance Regulators carry both main burner and pilot gas loads They are usually marked with the symbol P This means they are suitable for pilot load capability These are designed to p...

Page 52: ...Part GCTRM Rev 3 12 10 09 Page 52...

Page 53: ...Part GCTRM Rev 3 12 10 09 Page 53 Section 9 Thermocouples And How They Work...

Page 54: ...the cold junction The thermocouple is used to prove the pilot flame If the pilot flame goes out the thermocouple prevents the main gas from opening The magnitude of the voltage across the cold junctio...

Page 55: ...Part GCTRM Rev 3 12 10 09 Page 55 Section 10 Trouble Shooting The Oven Pilot Safety System...

Page 56: ...e oven griddle pilot safety system is an internal subcomponent of the control If during a normal safety valve system check the safety valve coil is found to be weak or inoperative the complete control...

Page 57: ...rly 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 thre...

Page 58: ...hermocouple at the pilot flame or similar flame characteristics monitoring the millivolt meter 4 If the millivolt reading is below 14 millivolts replace the thermocouple NOTE The Sit thermocouple open...

Page 59: ...Part GCTRM Rev 3 12 10 09 Page 59 Section 11 Gas Equipment Field Service Trouble Shooting Guide...

Page 60: ...ot flame Flame yellow pilot dirty Clean and adjust pilot Thermocouple faulty Replace Millivolt output high on open circuit test but low on closed circuit test Short in magnet Replace safety valve Mill...

Page 61: ...Part GCTRM Rev 3 12 10 09 Page 61 Section 12 Maintenance Care Instructions For Ranges And Oven Surfaces...

Page 62: ...ipe off excess after 5 minutes Reset heat to cooking temperature and apply a final film of oil wiping off surplus after 3 minutes The griddle is now seasoned and ready for use The griddle may be re se...

Page 63: ...started Care should be taken to avoid excessive soil drippings If soils are deposited on the coating at a rate faster than the coating can tolerate a puddle will form and eventually glaze over This g...

Page 64: ...soap solution Dry thoroughly Rub with vegetable oil on all exposed surfaces in the direction of the grain Soiled and burnt deposits can be removed with a wire brush Difficult to remove burnt on deposi...

Page 65: ...Part GCTRM Rev 3 12 10 09 Page 65 Section 13 Gas Technician s Glossary...

Page 66: ...part of a vent connector from an appliance It is designed to 1 assure the ready escape of the products of combustion in the event of no draft backdraft or stoppage beyond the draft hood 2 prevent a b...

Page 67: ...ressure of 0 491 pounds per square inch Inches of Water Column A unit used in measuring pressures One inch of water column equals a pressure of 0 578 ounces per square inch One inch mercury column equ...

Page 68: ...was designed for Port Any opening in a burner head through which gas or an air gas mixture is discharged for ignition Port Loading The input rate of a gas burner per unit of port area obtained by divi...

Page 69: ...of combustion from gas appliances plus excess air plus dilution air in the venting system above a draft hood Venturi A section in a pipe or a burner body that narrows down and then flares out again V...

Page 70: ...Part GCTRM Rev 3 12 10 09 Page 70...

Page 71: ...Part GCTRM Rev 3 12 10 09 Page 71 Section 14 Range Wiring Diagrams...

Page 72: ...RC Oven 81 4514774 US Range Px SX Series Two RC Ovens 82 2529700 ME MSTE 40RC Electric Spark 83 2529701 M MS 40RC 84 2529600 M MS 40 Electric Spark 85 2444200 Sentry Electric Spark 86 2444300 STE286RC...

Page 73: ...Black Motor Common Normally Open Normally Closed Door Switch Ground White Black 120V Input Rocker Switch 15 16 15 13 14 16 11 11 14 30 13 Left RC Oven Section 120 Volts 3 4 Amps Single Phase N A Garl...

Page 74: ...r Black Left Motor Black Rocker Switch Common Door Switch Normally Open Normally Closed Black White Ground 15 11 15 16 25 28 26 27 30 31 32 27 29 31 13 14 11 30 RC2 Wire Diagram 120 Vol 6 8 Amps Singl...

Page 75: ...Part GCTRM Rev 3 12 10 09 Page 75 3056100 US Range C836C Cuisine Series...

Page 76: ...Part GCTRM Rev 3 12 10 09 Page 76 229064 US Range 836C Cuisine Series...

Page 77: ...Part GCTRM Rev 3 12 10 09 Page 77 2706601 US Range Px S Series Left Single RC Oven...

Page 78: ...Part GCTRM Rev 3 12 10 09 Page 78 2706602 US Range Px S Series Right Single RC Oven...

Page 79: ...Part GCTRM Rev 3 12 10 09 Page 79 2706603 US Range Px S Series 2 RC Ovens...

Page 80: ...Part GCTRM Rev 3 12 10 09 Page 80 4514771 US Range Px SX Series Left Single RC Oven...

Page 81: ...Part GCTRM Rev 3 12 10 09 Page 81 4514772 US Range Px SX Series Right Single RC Oven...

Page 82: ...Part GCTRM Rev 3 12 10 09 Page 82 4514774 US Range Px SX SeriesTwo RC Ovens...

Page 83: ...Part GCTRM Rev 3 12 10 09 Page 83 2529700 ME MSTE 40RC Electric Spark...

Page 84: ...Part GCTRM Rev 3 12 10 09 Page 84 2529701 M MS 40RC...

Page 85: ...Part GCTRM Rev 3 12 10 09 Page 85 2529600 M MS 40 Electric Spark...

Page 86: ...Part GCTRM Rev 3 12 10 09 Page 86 2444200 Sentry Electric Spark...

Page 87: ...Part GCTRM Rev 3 12 10 09 Page 87 2444300 STE286RC STE284RC Left ST283RCE...

Page 88: ...3 4 AMPS WHT FROM FRONT SWITCH VIEWED COOK COOL OFF 27b 27a FLEX CONDUIT 36 FLEX CONDUIT 15 FLEX CONDUIT 36 30 30 SWITCH C NO NC ORIENTATION 2 V C N A WIRING DIAGRAM G GF U RT SGL G GF U 120V 4524261...

Page 89: ...RICAL RATING 120 VOLTS 1 3 4 AMPS WHT FROM FRONT SWITCH VIEWED COOK COOL OFF 15b 15a FLEX CONDUIT 36 FLEX CONDUIT 45 FLEX CONDUIT 66 16 15c 15a 31 31 1 V C N A WIRING DIAGRAM G GF U LT G GF U 120V 452...

Page 90: ...5b 15a FLEX CONDUIT 36 FLEX CONDUIT 45 16 15c 15a RIGHT RC OVEN SECTION 27c 26 MOTOR WHT BLK NC NO C 28 29 27a OVEN DOOR SWITCH RIGHT FLEX CONDUIT 15 COOK COOL 29 28 SWITCH RIGHT 27b 11a 11b 31 31 FLE...

Page 91: ...PER OVEN BTU S HR 38 000 GAS INPUT G GF U SERIES MODELS PHASE ELECTRICAL RATING 120 VOLTS 1 3 4 AMPS WHT FROM FRONT SWITCH VIEWED COOK COOL OFF 27b 27a FLEX CONDUIT 36 FLEX CONDUIT 15 FLEX CONDUIT 36...

Page 92: ...R PER OVEN BTU S HR 38 000 GAS INPUT G GF U SERIES MODELS PHASE ELECTRICAL RATING 120 VOLTS 1 3 4 AMPS WHT FROM FRONT SWITCH VIEWED COOK COOL OFF 15b 15a FLEX CONDUIT 36 FLEX CONDUIT 15 FLEX CONDUIT 3...

Page 93: ...RATING 120 VOLTS 1 6 8 AMPS WHT FROM FRONT SWITCH VIEWED COOK COOL OFF 15b 15a FLEX CONDUIT 36 FLEX CONDUIT 15 16 15c 15a RIGHT RC OVEN SECTION 27c 26 MOTOR WHT BLK NC NO C 28 29 27a OVEN DOOR SWITCH...

Page 94: ...Part GCTRM Rev 3 12 10 09 Page 94 30129 Sheet 2 of 3 Master Series Broiler Range interconnection kit...

Page 95: ...Part GCTRM Rev 3 12 10 09 Page 95 30129 Sheet 3 of 3 Restaurant Series Broiler Range interconnection kit...

Page 96: ...NPT 1 2 NPT UNION G01739 1 3012800 TEE 1 NPT x 1 NPT x 3 4 NPT G01918 5 REDUCER 3 4 NPT TO 1 2 NPT 1 2 1 1 1 1 1 G01477 3 NIPPLE 1 2 NPT X 2 TO SALAMANDER TO RANGE 48 60 NOTE CUT TUBE TO SIZE IF REQU...

Page 97: ...Part GCTRM Rev 3 12 10 09 Page 97 Section 15 Service Bulletins...

Page 98: ...d X Series Restaurant Range Models Subject Sit Valve Introduction Please find the enclosed introduction to the Sit Valve Modulating Snap Thermostat used in the Garland G U and X Series Restaurant Rang...

Page 99: ...b b The tab must be intact on the knob for the knob to properly stop as shown in figure 2 If the tab is missing the knob will continue to turn until the pilots are extinguished If the tab is damaged o...

Page 100: ...inch long To shut down all gas to pilots and burners loosen the knob set screw and gently pull knob off and proceed to figure 8 With the knob removed turn the hub until the metal tab B lines up with...

Page 101: ...tat should be set at400 F and be allowed to cycle for a minimum of 30 minutes After 30 Minutes if the temperature reading is between 370 And 430 F the control is functioning correctly and should not b...

Page 102: ...de Models Affected G GF U and X Series Ranges Due to many questions regarding the operation of the SIT Control below is a description of the valves operation for review The SIT control is a Modulating...

Page 103: ...base of the valve assembly the second stage begins The second stage raises the entire valve assembly As the control approaches set point the valve assembly lowers modulating the flame until it comple...

Page 104: ...deviation or leakage on the guard or shelf install could cause the unit to front vent and extinguish the oven griddle or top section pilot 3 Ensure dynamic manifold pressures are according to factory...

Page 105: ...burrs or tubing debris Also ensure there has been no reduction of the tubing I D where the lines have been cut to fit 9 Ensure the pilot hood is located correctly One side of the hood is to feed the...

Page 106: ...the grooved prevents the ferrule from seating ferrule b completely with the orifice This will have a negative effect on the pilot flame and needs to be corrected The orifice and ferrule can be When in...

Page 107: ...t GCTRM Rev 3 12 10 09 Page 107 When the pilot is assembled incorrectly With a pilot assembled correctly approximately 4 threads will be shown approximately2 threads will be visible 5 6 Incorrect Corr...

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