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© Moffat Ltd, January 2007 

Revision 1/ 

Blue Seal Evolution series G51 Gas Cooktops 

 

S e r v i c e   M a n u a l  

Gas Cooktops 

G 5 1

 

Summary of Contents for Blue Seal Evolution G518C-B

Page 1: ... Moffat Ltd January 2007 Revision 1 Blue Seal Evolution series G51 Gas Cooktops S e r v i c e M a n u a l Gas Cooktops G 5 1 ...

Page 2: ...y 2007 Revision 1 Blue Seal Evolution series G51 Gas Cooktops ALL INSTALLATION AND SERVICE REPAIR WORK MUST BE CARRIED OUT BY QUALIFIED PERSONS ONLY WARNING MAKING ALTERATIONS MAY VOID WARRANTIES AND APPROVALS IMPORTANT ...

Page 3: ...to change this manual gives a full explanation as to how and what effects will result Section Page Number 1 Specifications 1 2 Installation 8 3 Operation 12 3 1 Description of Controls 3 2 Explanation of Control System 4 Cleaning Maintenance 14 4 1 Cleaning Procedure 4 2 Maintenance Schedule 5 Trouble shooting Guide 18 5 1 Trouble Shooting Chart 5 2 Fault Diagnosis 6 Service Procedures 23 6 1 Acce...

Page 4: ... Moffat Ltd January 2007 Revision 1 Blue Seal Evolution series G51 Gas Cooktops ...

Page 5: ...ench Mount CB Cabinet Base excluding G512 series LS Leg Stand excluding G512 series RB Refrigerated Base G516 and G518 series only Gas Supply Requirements Non UK Models The burner operating pressure is to be measured at the manifold test point with two burners operating at full setting The operating pressure is ex factory set through the appliance regulator and is not to be adjusted apart from whe...

Page 6: ...s G20 Propane G31 Open Burner each Griddle each 300mm section Open Burner each Griddle each 300mm section Heat Input nett Nominal 6 5 kW 5 5 kW 6 5 kW 5 5 kW Reduced 1 75 kW 1 85 kW 1 75 kW 1 95 kW Gas Rate nett Nominal 0 69 m3 hr 0 58 m3 hr 0 51 kg hr 0 43 kg hr Reduced 0 19 m3 hr 0 20 m3 hr 0 14 kg hr 0 15 kg hr Supply Pressure 20 mbar 37 mbar Burner Operating Pressure 9 5 mbar Gas Connection G5...

Page 7: ...3 1 Specifications Moffat Ltd January 2007 Revision 1 Blue Seal Evolution series G51 Gas Cooktops Dimensions for Bench Models G512 B G514 B G516 B G518 B Rating Plate Location for this option R R ...

Page 8: ...at Ltd January 2007 Revision 1 Blue Seal Evolution series G51 Gas Cooktops Dimensions for Cabinet Base Models G512 models not available in Cabinet Base option G514 CB G516 CB G518 CB Rating Plate Location for this option R R ...

Page 9: ...fat Ltd January 2007 Revision 1 Blue Seal Evolution series G51 Gas Cooktops Dimensions for Leg Stand Models G512 models not available in Leg Stand Base option G514 LS G516 LS G518 LS Rating Plate Location for this option R R ...

Page 10: ...d January 2007 Revision 1 Blue Seal Evolution series G51 Gas Cooktops Dimensions for Refrigerated Base Models G512 and G514 models not available in Refrigerated Base option G516 RB G518 RB Rating Plate Location for this option R R ...

Page 11: ...are only available in Bench Model B option G514 models are available in Bench Model B Cabinet Base CB or Leg Stand LS model options G516 and G518 models are available in Bench Model B Cabinet Base CB Leg Stand LS or Refrigeration Base RB model options For the Refrigeration Cabinet Specifications and Dimensions refer to the Refrigeration Cabinet Installation and Operation Manual Part No 229093 supp...

Page 12: ...ng Ventilation IRELAND IS 820 Non Domestic Gas Installations Installations must be carried out by qualified service persons only Failure to install equip ment to the relevant codes and manufacturer s specifications shown in this section will void the warranty Components having adjustments protected e g paint sealed by the manufacturer are only allowed to be adjusted by an authorised service agent ...

Page 13: ...s Connection section Optional Accessories Refer to Replacement Parts List Plinth Kit For installation details refer to the instructions supplied with each kit Bench Models 1 Check that all the feet and castors are securely fitted 2 Adjust the feet to make the Cooktop steady and level Location 1 Installation must allow for a sufficient flow of fresh air for the combustion air supply 2 Installation ...

Page 14: ...to the gas supply line as close to the appliance as possible NOTE The gas pressure regulator provided with this appliance is convertible between Natural Gas and LPG and is already converted ex factory to the gas type labelled beside the gas connection point The regulator outlet pressure is fixed ex factory and it is NOT to be adjusted For G512C B and G512D B models the connection to the appliance ...

Page 15: ... Date of Purchase Date of Installation and Serial Number of Appliance recorded and kept with this manual These details can be found on the Rating Plate For Bench Cabinet Base and Leg Stand Models the Rating Plate is attached to the underside of the right hand side front Cooktop lower trim For the Refrigerated Base Model the Rating Plate is located inside the right hand front panel and can be viewe...

Page 16: ... e g paint sealed by the manufacturer should not be adjusted by the user operator 3 1 Description of controls Note A full user s operation manual is supplied with the product and can be used for further referencing of installation operation and service Griddle Open Burners with PF Option fitted Burner Control OFF Position PILOT Burner HIGH Flame LOW Flame Gas Control Knobs Piezo Igniter Griddles O...

Page 17: ...rol knob the plunger can be temporarily held open while lighting There s two reasons for this gas has to flow through the safety valve to make it possible to light the pilot burner and secondly the plunger has to be pushed all the way in for the electromagnet to hold it in I e the electromagnet is strong enough to hold the plunger in once there but is not strong enough to pull it in by itself Some...

Page 18: ...rgents sharp scrapers strong solvents or caustic detergents as they could corrode or damage the cooktop In order to prevent the forming of rust on the trivets griddle plate if fitted and burners ensure that any detergent or cleaning material has been completely removed after each cleaning The appliance should be switched on briefly to ensure the griddle plates become dry Oil or grease should be sp...

Page 19: ...tive greasy film a Clean the griddle surface thoroughly with a wire brush or a flexible spatula If necessary use a griddle stone or a scotch bright pad on the griddle surface b A scraper tool can be used for the removal of stubborn carbon and deposits c Occasionally bleach the griddle plate with vinegar when the plate is cold d Clean with hot water a mild detergent solu tion and a scrubbing brush ...

Page 20: ...ports to the range ensur ing that the trivet supports are correctly fit ted Note It is imperative that the trivet supports are correctly re fitted to the appliance to ensure that the trivets locate correctly and sit flush and level NOTE that the trivet support front end side rail profiles are different at either side and only one of the side rails seat into the cut out in the range top where as th...

Page 21: ...orrect to rating plate Pressure _______ kPa 3 Regrease gas cocks Cooktop Griddle if fitted 4 Inspect thermocouples cooktop griddle if fitted 5 Replace all thermocouples every 12 months 6 Inspect injectors are clean and free from blockages 7 Check piezo ignition of pilots griddle if fitted 8 Check pilot flames 9 Check for gas tightness 10 Check for gas leaks Service Comments Additional work repairs...

Page 22: ...upply pressure Faulty gas control Replace clean injectors Refer service section 6 2 2 Clean burner Check supply pressure Replace gas control Refer service section 6 2 4 Main burners go out when control knob released Releasing knob before thermocouple heated Pilot too small PF burners only Thermocouple incorrectly positioned Thermocouple faulty Gas valve magnet faulty Hold control knob in for longe...

Page 23: ...too low Blocked incorrect size pilot injector Check gas supply pressure Refer specifications section Clean or replace pilot injector Refer service section 6 2 8 Pilot goes out when knob released PF fitted burners only Releasing knob before the thermocouple is heated Pilot flame too small Refer fault Pilot Flame Small Thermocouple faulty Refer fault diagnosis 5 2 1 Gas magnet faulty Refer fault dia...

Page 24: ...n 6 2 8 Pilot goes out when knob released Releasing knob before the thermocouple is heated Pilot flame too small Refer fault Pilot Flame Small Thermocouple faulty Refer fault diagnosis 5 2 1 Gas magnet faulty Refer fault diagnosis 5 2 1 Hold control in for longer 10 s see if pilot will stay lit Correct fault Replace thermocouple Refer service section 6 2 9 Replace gas magnet Refer service section ...

Page 25: ... incorrect Incorrect gas pressure Incorrect injector size Obstruction in burner Adjust aeration Refer service section 6 4 4 Check supply pressure Check injector correct size Inspect burner for obstruction Pilot goes out when main burner comes on Incorrect gas pressure Faulty gas control Check supply adjust pressure Refer specifications section Replace gas control Refer service section 6 2 12 ...

Page 26: ...2 2 Piezo ignitor not sparking Pilot flame too small If pilot can be lit but the flame is too small to im pinge on the thermocouple then check the gas pressure If ok remove pilot injector from pilot burner and check for blockages and or correct size Thermocouple faulty Inspect thermocouple for build up of carbon or food deposits on the tip Clean off any deposits taking care not to scratch off the ...

Page 27: ...enturi 24 6 2 2 Open Burner Injector 25 6 2 3 Open Burner Thermocouple 26 6 2 4 Open Burner Gas Control 27 6 2 5 Open Burner Pilot PF Models 27 6 2 6 Griddle Burner Gas Control 28 6 2 7 Griddle Control Magnet 28 6 2 8 Griddle Burner 28 6 2 9 Griddle Burner Injector 29 6 2 10 Griddle Pilot Burner 29 6 2 11 Griddle Pilot Burner Thermocouple 29 6 2 12 Griddle Pilot Burner Injector 30 6 2 13 Griddle P...

Page 28: ... 3 Remove the control panel 4 Griddle models will require H T lead to be disconnected from rear of piezo ignitor on control panel Figure 6 1 1 6 2 1 Open Burner Venturi 6 2 Replacement Cook Top Figure 6 2 1a 1 Remove both pot stand castings front and rear 3 Remove two cap screws securing burner guard and remove burner guard Figure 6 2 1c Figure 6 2 1b 2 Remove burner caps and bowls front and rear ...

Page 29: ...5 Undo main injector and injector assembly securing nut 6 Remove two screws securing burner venturi and remove burner venturi and replace 7 Reassemble in reverse order NOTE ensure when reassembling that burner bowls are seated correctly on cap screw heads 6 2 2 Open burner injector Figure 6 2 2a 1 Remove both pot stands front and rear 2 Remove burner caps and bowls front and rear Figure 6 2 2b 3 R...

Page 30: ...nd bowls front and rear 4 Remove two cap screws securing burner guard and remove burner guard Figure 6 2 3a Front and rear pot stands Figure 6 2 3b Cap screws Figure 6 2 3c 5 Undo thermocouple from bottom of burner bracket and rear of gas control remove thermocouple and replace 6 Reassemble in reverse order Ensure when reassembling that burner bowls are seated correctly on locating pins NOTE When ...

Page 31: ...OTE When screwing thermocouple back into gas control once threaded up tighten up another turn only Do not over tighten 6 2 5 Open burner pilot PF models 1 Remove both pot stands front and rear 2 Remove burner caps and bowls front and rear 3 Remove two screws securing each pilot burner shield 4 Remove two cap screws securing burner guard and remove burner guard 5 Unscrew the pilot supply tube from ...

Page 32: ...ly pilot burner supply and thermocouple from gas control 3 Unscrew manifold connection to gas control and remove gas control 1 Remove the burner refer 6 3 1 6 3 8 and the heat shield 2 Remove the thermocouple from the rear of the gas control refer figure 6 3 22 3 Remove the rear nut from gas control 4 Extract gas magnet 5 Replace and reassemble in reverse order Manifold connection Main supply line...

Page 33: ... thermocouple from pilot assembly 4 Undo two screws securing pilot burner bracket to griddle reflector 5 Remove pilot burner from bracket two screws 6 Replace and reassemble in reverse order NOTE Ensure that the thermocouple is positioned correctly in the holder before tightening up Two screws 6 2 11 Griddle pilot burner thermocouple Figure 6 2 11a Figure 6 2 11b 1 Remove griddle plate and reflect...

Page 34: ...refer 6 1 1 2 Remove H T lead from piezo ignitor and pilot electrode 3 Replace lead and reassemble in reverse order Figure 6 2 13 Piezo electrode 6 2 15 Piezo ignitor 1 Remove control panel refer 6 1 1 2 Remove the HT lead from the piezo ignitor by pulling firmly away 3 Unscrew the nut securing the piezo ignitor to the control panel Figure 6 2 1 6 2 12 Griddle pilot burner injector Figure 6 2 12 1...

Page 35: ...move control shaft and plate Note orientation of shaft for correct re assembly 6 3 1 Cooktop gas tap re greasing Figure 6 3 1a Figure 6 31b Spindle Two Screws 3 Using needle nose pliers or similar pull out gas control spindle again noting its orientation 4 Apply a suitable high temperature gas cock grease or lubricant such as ROCOL A S P Anti scuffing paste Dry Moly Paste to the outside of the spi...

Page 36: ...7 Accessories 32 Moffat Ltd January 2007 Revision 1 Blue Seal Evolution series G51 Gas Cooktops ...

Page 37: ...8 Exploded Parts Diagrams 33 Moffat Ltd January 2007 Revision 1 Blue Seal Evolution series G51 Gas Cooktops 8 1 1 G51 Main Assembly 8 1 G51 Gas Cooktops ...

Page 38: ... BRASS CONICAL X BSPT G514 6 8 ONLY G512 SEE ITEM 11 PG612 GRIDDLE PLATE GAS 600MM WA PG912 GRIDDLE PLATE GAS 900MM WA 227277 MANIFOLD 600MM 227278 MANIFOLD 900MM 5 229360 CONTROL PANEL 300MM 228155 MANIFOLD 1200MM 227537 CONTROL PANEL 900MM 227236 CONTROL PANEL 1200MM 230277 SPILL TRAY 600MM WA BSEAL G514 and G518 227538 CONTROL PANEL 600MM 6 230286 SPILL TRAY 300MM WA BSEAL G512 11 228692 MANIFO...

Page 39: ...EL 18 017803 OLIVE 10MM BRASS 19 227405 GAS VALVE 20S B CW 3 8 ELBOW 20 228167 THERMOCOUPLE 320mm 21 227379 KNOB BSEAL 8MM GAS STD F 22 227019 BURNER VENTURI 23 030245 INJECTOR 2 45mm NAT GAS 24 227456 FRONT BURNER SUPPLY TUBE 25 227132 BURNER SUPPORT 26 228166 THERMOCOUPLE 600mm 27 227627 THEMOCOUPLE SUPPORT BRKT WA ITEM PART NO DESCRIPTION 030150 INJECTOR 1 50mm LPG 030140 INJECTOR 1 40mm UK PRO...

Page 40: ...T NUT Ø4mm 36 229425 PILOT OLIVE Ø4mm 37 228167 THERMOCOUPLE 320mm 38 227019 BURNER VENTURI 39 030245 INJECTOR 2 45mm NAT GAS 40 227456 FRONT BURNER SUPPLY TUBE 41 227132 BURNER SUPPORT 42 026134 PILOT INJECTOR SPUD Ø0 30MM NAT 43 229422 PILOT SUPPLY TUBE FRONT 44 229880 PILOT SIT 100 SERIES INJECTOR BASE 45 229443 PILOT INJECTOR BASE CLAMP 46 229442 PILOT BRACKET WA 47 228166 THERMOCOUPLE 600mm I...

Page 41: ...0 032130 INJECTOR 1 3mm LPG PROPANE 51 228047 HT LEAD 250mm 52 228223 PIEZO CLAMP 53 228010 PIEZO HOUSING 54 227508 PIEZO SIT 55 011148 BRASS PLUG 3152X4 56 227594 PILOT SUPPLY TUBE 57 022686 FLEXTUBE DORMONT T6 58 019428 THERMOCOUPLE 320MM M9x1 59 227178 BURNER SUPPORT 60 227765 BURNER MOUNTING BRACKET 61 019215K PILOT BURNER KIT 026488 PILOT BURNER INJECTOR 0 35mm NAT GAS 019217 PILOT BURNER INJ...

Page 42: ...CRIPTION 1 230354 SIDE COVER RH 2 228663 TOP TRIM 300MM WIDE 3 227855 LEG 80MM X Ø63 5 4 227852 LEG PLATE 5 230355 SIDE COVER LH 6 228670 HOB BACK PANEL 300MM WIDE 227120 TOP TRIM 900MM WIDE 227121 HOB BACK PANEL SUPPORT 900MM WIDE 227125 TOP TRIM 1200MM WIDE 228314 HOB BACK PANEL SUPPORT 1200MM WIDE 227123 TOP TRIM 600MM WIDE 228313 HOB BACK PANEL SUPPORT 600MM WIDE ...

Page 43: ...SILL 900MM WA 227409 SILL 1200MM WA 4 227790 FILLER 600MM 227789 FILLER 900MM 227791 FILLER1200MM 5 227788 SIDE SUPPORT 600MM 227787 CENTRE SUPPORT 900MM 227786 CENTER SUPPORT 1200MM 6 227850 LEG 150MM X Ø63 5 7 227852 LEG PLATE 8 227049 SIDE PANEL LH 9 229674 REAR ROLLER ASSEMBLY 10 229671 LEG RING PLATE THREADED 11 227040 BACK PANEL 600MM WIDE 227104 BACK PANEL 900MM WIDE 227117 BACK PANEL 1200M...

Page 44: ...BASE TRAY 600MM 5 227075 SILL 600MM WA 6 227851 LEG 150MM X Ø63 5 EXTD THREAD 7 229674 REAR ROLLER ASSEMBLY 8 748010 SCREW 5 8 X1 HEX SET ZP 9 229673 LEG RING PLATE PLAIN 10 230355 SIDE COVER LH 11 228313 HOB BACK PANEL SUPPORT 600MM 227120 TOP TRIM 900MM 227125 TOP TRIM 1200MM 227901 SILL 900MM WA 227902 SILL 1200MM WA 228312 HOB BACK PANEL SUPPORT 900MM 228314 HOB BACK PANEL SUPPORT 1200MM 22740...

Page 45: ...LD 4034 Spare Parts Free Call 1800 337 963 Fax 03 9518 3895 WESTERN AUSTRALIA MOFFAT PTY 67 Howe St Tel 08 9202 6820 Osbourne Park WA 6017 Fax 08 9202 6836 Spare Parts Free Call 1800 337 963 Fax 03 9518 3895 NATIONAL COVERAGE FOR 24 HOUR SERVICE OR MAINTENANCE DIAL FREE CALL 1800 622 216 AUSTRALIA ONLY Canada SERVE CANADA 22 Ashwarren Rd Tel 416 631 0601 Downview Fax 416 631 0315 Ontario M3J1Z5 Ne...

Page 46: ...gdom BLUESEAL LTD 67 Gravelly Industrial Park Tel 0121 327 5575 Erdington Fax 0121 327 9711 Birmingham B24 8TQ England United States of America MOFFAT INC 3765 Champion Blvd Winston Salem Tel 1800 551 8795 NC27115 Fax 336 661 9546 NATIONAL COVERAGE FOR SERVICE OR MAINTENANCE DIAL FREE CALL 1800 551 8795 USA ONLY ...

Page 47: ...m the gas cocks 7 Determine the correct injector sizes for the corresponding gas from the rating plate For Bench Cabinet Base and Leg Stand Models the Rating Plate is attached to the underside of the right hand side front Cook Top lower trim For the Refrigerated Base Model the Rating Plate is located inside the right hand front panel and can be viewed through the upper grille Refer to the Gas Conn...

Page 48: ...ld taking care not to damage the thermocouples and pilot burners fitted through the manifold splash guard 4 Remove all the trivet supports from the top of the appliance Note the orientation of the trivet supports when removing The trivet support front end side rail profiles are different from the rear end side rail profiles See Fig 13 5 Remove the pilot burner shields from over the pilot burners t...

Page 49: ...elds over the pilot burner tubes thermocouples and secure in place with the 2 securing screws Refer to Fig 18 h Refit the burner caps and burner bowls onto the manifolds protruding through the splash guards Take note that the base part of the burner bowl has 2 locating holes drilled into the base flange these are to locate the burner bowl onto the allen headed screws that secure the splash guard t...

Page 50: ...ner box by removing the securing screw at the end of the burner this will reveal the main burner injector b Remove and replace the main burner injectors with correct size injectors Refer to the Gas Specifications table at the end of this section for correct injector sizes c Refit the burner to the griddle burner box d Refit the gas control heat shield to the griddle burner box e Refit the griddle ...

Page 51: ...A F from the regulator 3 Un clip the plastic pin from the cap reverse the pin and re fit it back to the cap the correct way for the gas type to be used Either LP or NAT should be visible on the flank of the pin once re fitted to the cap 4 Screw the cap back into the regulator hand tight only Gas Type Identification Label On completion of the gas conversion replace the gas type identification label...

Page 52: ...ire burner operation Check the Griddle Burner operation If Fitted Ensure that all the controls operate correctly Ensure that the operating pressure remains correct NOTE If for some reason it is not possible to get the appliance to operate correctly shut off the gas supply and contact the supplier of this appliance Gas Specifications Non UK Only WARNING DO NOT USE A NAKED FLAME TO CHECK FOR GAS LEA...

Page 53: ...igh setting The operating pressure is ex factory set through the appliance regulator and is not to be adjusted apart from when carrying out gas conversion if required Refer to the Gas Conversion section for details Natural Gas G20 Propane G31 Open Burner Main Burner Injectors Ø 2 30 mm Ø 1 40 mm Pilot Burner PF Models only 0 30 0 20 Griddle Main Burner Ø 2 10 mm Ø 1 30 mm Pilot Burner 0 35 0 23 Op...

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