Garland HEEGM48CL Service Manual Download Page 39 | Manualshive

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3/8 BX CABLE

44" LONG

3" WIDE SILCO TAPE

52" LONG

EXCEPT

RIGHT SIDE OF UNIT

LEFT SIDE OF UNIT

Page 39 | HEEGM Service Manual part# 4532502 (Rev 0)

7 WIRING DIAGRAMS

(CONT.)

HEEGM48CL 240VAC

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Summary of Contents for HEEGM48CL

Page 1: ... cover Unless specified this manual should not be used for any other make or model of appliance i Garland reserves the right to change product specifications without notices and accepts no liability for any inaccuracies errors or omissions contained herein Garland Commercial Ranges Ltd 1177 Kamato Road Mississauga Ontario CANADA L4W 1X4 T 1 905 624 0260 F 1 905 624 5669 www garland group com USA S...

Page 2: ...nt safety precautions MUST be implemented at all times WARNING This symbol and signal word alert a hazardous situation which if not avoided COULD cause serious physical injury or death The relevant safety precautions MUST be implemented at all times HIGH VOLTAGE This high voltage symbol and signal words indicate a serious risk of bodily harm from an electric shock FIRE OR EXPLOSION This fire or ex...

Page 3: ...ated 9 5 TROUBLESHOOTING GUIDE 10 5 1 Sequence of Operation 10 5 2 Troubleshooting Flowchart 13 5 3 Problems Evaluation 14 6 REMOVE INSTALL AND ADJUST COMPONENTS 16 6 1 Knob 16 6 2 Valve Panel 16 6 3 Side Leg Panels Left Right 17 6 4 Gas Pressure Regulator Gas Pressure 18 6 5 Burner and Air Shutter 20 6 6 Gas Valve 22 6 7 Orifice 23 6 8 Electrode 24 6 9 Solenoid Valve 26 6 10 Ignition Module 30 6 ...

Page 4: ...r 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 Operation of this product could expose you to carbon monoxide if not adjusted properly Inhalation of carbon monoxide is known to the...

Page 5: ...des 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 Garland authorized service agents please refer to the Garland web site www Garland Group com i IMPORTANT In the United States installation of this appliance...

Page 6: ...SSAUGA ONT CANADA 0 2 5 852 89 8 7 8 9 2 7 9 5 7 1 8 9 287 5 99 25 0 C 0 6 72 85 9 68 5 68 5 787 86 2 5 86 2 5 8 2 8 2 69 1C 85 91 279 9 7 27 1 8 98 27 55 287 5 2 7 62726 6 8 27 55 287 2 1 1 8558 270 62726 6 5 7 7 C K K 88 2 296 7 2 6 2 5 2 B 0 25582 825 2 2 27 7 8 8 1 1 7 18 185 27 7 0 86 2 N_ R NSF GARLAND COMMERCIAL RANGES LTD 2 2 Serial Number Year Month Information The serial number is 13 dig...

Page 7: ... 2 and applies to installations up to 2000ft 610m 3 2 Manifold Pressure i Data provided for installations UP TO 2000ft 610m i Gas inlet pipe is 3 4 NPT on all models Model Manifold Operating Pressure WC Mbar Manifold Supply Pressure WC Mbar Natural Gas Propane Natural Gas Propane ALL Models 4 5 11 2 10 0 25 0 7 0 17 4 11 0 27 5 3 3 Electrical Requirements Model Voltage V Frequency Hz Current A Cor...

Page 8: ...he removable side shields contribute to even temperature and easy cleaning The side shields also prevent the cooking grates when placed in the elevated position from sliding off the side of the unit 4 Solenoid valves connected in series provide redundancy and ensure safe operation 5 Left Right Side Leg Panels are installed using a tab and slot method at the back which can be dislodged and slid out...

Page 9: ...ute Test Spigot Front Manifold x1 for 24 36 model x2 for 48 60 model Right Side Leg Panel Electrode BX Cable Not Shown Burner Radiant ŝƌ ĂŋĞ ĂũŝƚĂ ƌĂƚĞ KƉƟŽŶͿ Reversible Grate ŐŶŝƟŽŶ DŽĚƵůĞ 4 Spark 6 Spark Terminal Block 240V Only Transformer 240V Only Solenoid Gas Valve x2 for 24 36 model x4 for 48 60 model Side Manifold x1 for 24 36 model x2 for 48 60 model Gas Pressure Regulator Main Power Supp...

Page 10: ...h controls burners 5 9 60 Model The LEFT Switch controls burners 1 6 The RIGHT Switch controls burners 7 11 2 When switched on electrical power is routed to the solenoid gas valves The solenoid valves open and distribute gas through the manifold s to each mechanical Hi Low gas valve i The mechanical Hi Low GAS VALVES have NO OFF POSITION they ARE ALWAYS OPEN All units are factory set for optimal f...

Page 11: ...es solenoid vales manifolds switches and burners Burner Top View of Burners Burners ON OFF Switch ŐŶŝƟŽŶ DŽĚƵůĞ 4 Spark ŽůĞŶŽŝĚ sĂůǀĞƐ DĂŶŝĨŽůĚ 3 1 2 4 6 Spark 3 1 2 4 5 6 ƵƌŶĞƌƐ ϭͲϰ ŽŶƚƌŽůƐ gas DĂŝŶ WŽǁĞƌ KE K ǁŝƚĐŚ ϮϰϬs KŶůǇͿ HEEGM24CL HEEGM36CL Burner Top View of Burners Burners ON OFF Switch ŐŶŝƟŽŶ DŽĚƵůĞ ŽůĞŶŽŝĚ sĂůǀĞƐ DĂŶŝĨŽůĚ ƵƌŶĞƌƐ ϭͲϲ ŽŶƚƌŽůƐ gas DĂŝŶ WŽǁĞƌ KE K ǁŝƚĐŚ ϮϰϬs KŶůǇͿ Transform...

Page 12: ...Manifold 3 1 2 4 5 6 7 8 9 Top View of Burners 10 11 ŐŶŝƟŽŶ Modules Burner Inner Manifold Outer Manifold ĞŌ Switch Right Switch Burners 1 4 Controls Burners 5 9 Controls Burners 1 6 Controls Burners 7 11 Controls gas Main Power ON OFF Switch 240V Only HEEGM48CL gas HEEGM60CL gas gas Transformer 240V Only 6 Spark 4 Spark 6 Spark 6 Spark Main Power ON OFF Switch 240V Only Transformer 240V Only Solen...

Page 13: ...r faulty Yes Replace transformer No Yes Check for gas at manifold spigot Is gas present Yes No Check all solenoids Turn on main power switch Is main power switch light on Check main power switch Is main power switch faulty Visually confirm spark at electrodes Yes Check for wire short at module or electrodes No Start 240V Yes No Replace main power switch Yes No Is switch faulty Replace switch Yes N...

Page 14: ...ized or restriction in valve or orifice Check gas valve orifice Ignition module failed Verify module is sparking 24 36 Units Verify module is sparking on the same side as gas is flowing 48 60 Units Incorrect gas pressure Confirm gas pressure to Rating Plate Unit over gassed or incorrect orifice size Check gas pressure and orifice size Temperature too hot too much heat over fired Too much fuel to b...

Page 15: ... TROUBLE SHOOTING GUIDE CONT 5 3 Problems Evaluation cont SYMPTOM POSSIBLE CAUSE EVALUATION Weak ignition sparks Damaged spark ignitor Inspect ignitor and check spark gap for min 0 125 1 8 max 0 160 5 32 opening Ignition Module Problem Replace Module ...

Page 16: ...ectrodes front manifold gas valves and spigots grease chute solenoid wires in B X cable i IMPORTANT To remove the side manifolds and solenoid valves you will need to remove BOTH the valve panel AND the Left Side Leg Panel To remove the valve panel WARNING Remove all power supplies to the unit before opening panels for servicing 1 Take off the knobs 2 Remove screws from the four corners as shown 3 ...

Page 17: ... To remove a side leg panel WARNING Remove all power supplies to the unit before opening panels for servicing i IMPORTANT When removing the RIGHT Side Leg Panel ensure you slide the panel out gently without disconnecting any wire connections accidentally i IMPORTANT To avoid pinching any wire tuck all the wires safely away before sliding the panel back in 1 Take out the grease pan s 2 Remove the 2...

Page 18: ...The regulator supplied with the unit is rated for a maximum of PSI 14 WC 3 45kPa If the gas supply line pressure exceeds this maximum a step down regulator is required and must be installed in accordance with local codes The red air vent cap is part of the regulator and should not be removed unless local codes require external venting If external venting is required install in accordance with loca...

Page 19: ... 6 4 1 General Information To increase pressure turn the adjustment screw clockwise To decrease pressure turn the screw counter clockwise FOR HEEGM 48 60 UNITS 1 Check the pressure value on the unit s rating plate 4 5 WC Natural 10 WC Propane 2 Remove knobs and the valve panel see sections 6 1 and 6 2 WARNING Remove power supply to the unit before opening panels for servicing 3 Connect a manometer...

Page 20: ...13 000BTU for propane gas 6 5 2 Removing Installing Burners and Radiants Each burner is supported at the front by the injector orifice on the manual hi low gas valve Each burner is also supported by a rear bracket and locked in place with a cotter pin Remove these pins before attempting to remove the burners i IMPORTANT INSTALL PIN To ensure burners don t tilt during operation re install the cotte...

Page 21: ...ing the flames ensure i The unit is running at the gas pressure stated on the rating plate Gas valves are on HIGH ALL radiants are in place To adjust a burner air shutter 1 Remove the knobs and valve panel see 6 2 Valve Panel to access the front of the burners WARNING Remove power supply to the unit before opening panels for servicing 2 Restore power supply to the unit Then turn on the burners usi...

Page 22: ... the unit WARNING Test for gas leaks before returning the equipment into service i IMPORTANT When reassembling the gas valve and extension ensure the set screw is tightened against the flat part of the valve Bottom View Valve Extension Tighten Set Screw against the flat area of Gas Valve Gas Valve i IMPORTANT Ensure the gas valve is tightened onto the manifold such that burner sits level when inst...

Page 23: ...racked Use a pin gauge to check the size of the hole Replace the orifice if its hole is abnormally large or small If the orifice hole is blocked you need to remove clean and re install the orifice 6 7 3 Replacing an Orifice DANGER Turn off gas supply and remove main power supply to the unit WARNING Test for gas leaks before returning the equipment into service To replace an orifice 1 DANGER Turn o...

Page 24: ...racked ceramics on the electrodes 6 8 1 Removing Installing an Electrode WARNING Disconnect electrical power from the unit i IMPORTANT You CANNOT loosen the electrodes from the burner side Remove the valve panel and the wire channel cover to gain access to the electrodes i IMPORTANT If there are metal wire ties on the silicone sleeve ensure to keep the metal ties away from the electrodes to avoid ...

Page 25: ...wn to expose the electrodes When replacing electrodes on the far left or far right of the unit you may need to remove screws holding the wire channel to access the electrode screws 6 Disconnect cable from the electrode 7 Unscrew and remove the electrode 8 Reassemble with a new electrode in reverse order ...

Page 26: ...e rectifier converts AC to DC and protects the coil through the diodes To test these coils on the field perform a continuity test 6 9 3 Removing Installing a Solenoid Valve DANGER Turn off gas supply and remove main power supply to the unit WARNING Test for gas leaks before returning the equipment back into service i IMPORTANT Each solenoid valve has a directional requirement The IN and OUT ports ...

Page 27: ...ont manifold elbow tip Use double wrenching 15 16 and 13 16 method to prevent the bottom fitting from moving while turning the top fitting 4 Loosen the connector at the inlet box at the back 5 Remove the screw to release the solenoid bracket 6 Disconnect wires and remove the solenoid valves and side manifold assembly i Ensure you mark the wires and have a copy of the wiring diagram for reference 7...

Page 28: ...the screw to release the solenoid bracket 5 If necessary release tension by loosening the screws on each side of the inlet box 6 Remove the front gas tube by loosening the connectors at both ends tip Use double wrenching method to prevent the bottom fitting from moving while turning the top fitting Use 15 16 11 16 combination for 90 deg fitting and 15 16 13 16 combination for straight fitting 7 Di...

Page 29: ...e INNER SIDE manifold Remove the front gas tube by loosening the connectors at both ends tip Use double wrenching method to prevent the bottom fitting from moving while turning the top fitting Use 15 16 11 16 combination for 90 deg fitting and 15 16 13 16 combination for straight fitting 7 OUTER SIDE manifold loosen the adapter connecting to elbow as shown tip Use double wrenching method 15 16 13 ...

Page 30: ...o cool down To remove or install a module 1 WARNING Disconnect power supply to the unit and allow the unit to cool down 2 Remove the RIGHT Side Leg Panel see section 6 3 i Ensure you pull out the panel slowly to avoid disconnecting any wiring accidentally 3 i Note wire numbers and location before removing all wire connections from the module or refer to the wiring diagram 4 The module is mounted o...

Page 31: ...void disconnecting any wiring accidentally 3 i Note wire numbers and location before removing all wire connections from the switch or refer to the wiring diagram 4 Remove the switch from the Leg Panel by squeezing the retaining clips and pushing the switch out of the cutout from the inside out 5 Snap a new switch into the cutout i IMPORTANT Ensure to INSTALL the new switch RIGHT SIDE UP as they ca...

Page 32: ... transformer may be able to accommodate this A licensed electrician must be consulted in this matter 6 12 2 Evaluation HIGH VOLTAGE WARNING Risk of an electric shock Disconnect power supply to the unit when servicing except when electrical circuit tests are necessary Be alert Perform these tests with extreme care Troubleshooting Refer to section 5 2 Troubleshooting Flowchart To evaluate if the tra...

Page 33: ...To separate the transformer bracket from the frame remove the screw at the back of the bracket as shown in the illustration below 5 To separate the transformer bracket from the ignition module bracket 5a Loosen the lock nuts 5b Slide the transformer and bracket backward to dislodge the machine screws from the ignition module bracket 6 Tilt the transformer and bracket assembly and remove from the l...

Page 34: ...Page 34 HEEGM Service Manual part 4532502 Rev 0 7 WIRING DIAGRAMS HEEGM24CL 120VAC ...

Page 35: ...Page 35 HEEGM Service Manual part 4532502 Rev 0 7 WIRING DIAGRAMS CONT HEEGM24CL 240VAC ...

Page 36: ...3 8 BX CABLE 30 LONG WITH 3 8 BX CABLE 30 LONG WITH 3 WIDE SILCO TAPE 36 LONG RIGHT SIDE OF UNIT LEFT SIDE OF UNIT Page 36 HEEGM Service Manual part 4532502 Rev 0 7 WIRING DIAGRAMS CONT HEEGM36CL 120VAC ...

Page 37: ...Page 37 HEEGM Service Manual part 4532502 Rev 0 7 WIRING DIAGRAMS CONT HEEGM36CL 240VAC ...

Page 38: ...3 8 BX CABLE 44 LONG 3 WIDE SILCO TAPE 52 LONG EXCEPT RIGHT SIDE OF UNIT LEFT SIDE OF UNIT Page 38 HEEGM Service Manual part 4532502 Rev 0 7 WIRING DIAGRAMS CONT HEEGM48CL 120VAC ...

Page 39: ...3 8 BX CABLE 44 LONG 3 WIDE SILCO TAPE 52 LONG EXCEPT RIGHT SIDE OF UNIT LEFT SIDE OF UNIT Page 39 HEEGM Service Manual part 4532502 Rev 0 7 WIRING DIAGRAMS CONT HEEGM48CL 240VAC ...

Page 40: ...3 8 BX CABLE 56 LONG 3 WIDE SILCO TAPE 64 LONG EXCEPT RIGHT SIDE OF UNIT LEFT SIDE OF UNIT Page 40 HEEGM Service Manual part 4532502 Rev 0 7 WIRING DIAGRAMS CONT HEEGM60CL 120VAC ...

Page 41: ...Page 41 HEEGM Service Manual part 4532502 Rev 0 7 WIRING DIAGRAMS CONT HEEGM60CL 240VAC ...

Page 42: ...rt or Filename Document 4530868 Installation and Operation Manual G_GC_PL_HEBROILERS_HEEGM Parts List G_GC_SS_HEBROILER_HEEGM 24 36 48 60 Specification Sheet HEEGM G_GC_SS_EQUIPMENTSTAND_HEMST Specification Sheet HEMST Series Equipment Stands Revision History Rev Section Notes Date 0 New Release 01 Aug 13 ...

Page 43: ......

Page 44: ... HEEGM Garland Commercial Ranges Ltd 1177 Kamato Road Mississauga Ontario CANADA L4W 1X4 T 1 905 624 0260 F 1 905 624 5669 www garland group com USA Sales Parts and Service 1 800 424 2411 Canadian Sales 1 888 442 7526 Canada or USA Parts Service 1 800 427 6668 ...

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