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Summary of Contents for Blue Seal G51
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Page 1: Gas Cooktops
Gas Cooktops G 5 1 S e r v i c e M a n u a l Blue Seal Evolution series G51 Gas Cooktops © Moffat Ltd, January 2007 Revision 1/... - Page 2 ALL INSTALLATION AND SERVICE REPAIR WORK MUST BE CARRIED OUT BY WARNING: QUALIFIED PERSONS ONLY. IMPORTANT: MAKING ALTERATIONS MAY VOID WARRANTIES AND APPROVALS. Blue Seal Evolution series G51 Gas Cooktops © Moffat Ltd, January 2007 Revision 1/...
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Page 3: Table Of Contents
Contents This manual is designed to take a more in depth look at the Blue Seal Gas Cooktops for the purpose of making the units more understandable to service people. There are settings explained in this manual that should never require to be adjusted, but for completeness and those special cases where these settings are required to change, this manual gives a full explanation as to how, and what effects will result. - Page 4 Blue Seal Evolution series G51 Gas Cooktops © Moffat Ltd, January 2007 Revision 1/...
- Page 5 The operating pressure is ex-factory set, through the appliance regulator and is not to be adjusted, apart from when converting between gases, if required. (Refer to the ‘Gas Conversion’ section for details). Blue Seal Evolution series G51 Gas Cooktops © Moffat Ltd, January 2007 Revision 1/...
- Page 6 Ø 2.30 mm Ø 1.40 mm Pilot Burner ('PF' Option Only) 0.30 0.20 Main Burner Ø 2.10 mm Ø 1.30 mm Griddle Pilot Burner 0.35 0.23 Blue Seal Evolution series G51 Gas Cooktops © Moffat Ltd, January 2007 Revision 1/...
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Page 7: Specifications
Specifications Dimensions for Bench Models G512-B = Rating Plate Location for this option. G514-B G516-B G518-B Blue Seal Evolution series G51 Gas Cooktops © Moffat Ltd, January 2007 Revision 1/... - Page 8 Specifications Dimensions for Cabinet Base Models G512 models - not available in Cabinet Base option. = Rating Plate Location for G514-CB this option. G516-CB G518-CB Blue Seal Evolution series G51 Gas Cooktops © Moffat Ltd, January 2007 Revision 1/...
- Page 9 Specifications Dimensions for Leg Stand Models G512 models - not available in Leg Stand Base option. = Rating Plate Location for G514-LS this option. G516-LS G518-LS Blue Seal Evolution series G51 Gas Cooktops © Moffat Ltd, January 2007 Revision 1/...
- Page 10 Specifications Dimensions for Refrigerated Base Models G512 and G514 models - not available in Refrigerated Base option. G516-RB = Rating Plate Location for this option. G518-RB Blue Seal Evolution series G51 Gas Cooktops © Moffat Ltd, January 2007 Revision 1/...
- Page 11 (-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) supplied with the appliance. Blue Seal Evolution series G51 Gas Cooktops © Moffat Ltd, January 2007 Revision 1/...
- Page 12 Blue Seal Cooktops are designed to provide years of satisfactory service, and correct installation is essential to achieve the best performance, efficiency and trouble-free operation.
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Page 13: Installation
• Plinth Kit. For installation details, refer to the instructions supplied with each kit. Bench Models Check that all the feet (and castors) are securely fitted. Adjust the feet to make the Cooktop steady and level. Blue Seal Evolution series G51 Gas Cooktops © Moffat Ltd, January 2007 Revision 1/... -
Page 14: Gas Connection
NOTE: ALL GAS FITTING MUST ONLY BE CARRIED OUT BY A QUALIFIED PERSON. Blue Seal Cooktops do not require electrical connection, as they function totally on the gas supply. It is essential that the gas supply is correct for the Cooktop to be installed and that adequate supply pressure and volume are available. - Page 15 For the Refrigeration Cabinet Installation details refer to the Refrigeration Cabinet Installation and Operation Manual (Part No. 228093) supplied with the appliance. Blue Seal Evolution series G51 Gas Cooktops © Moffat Ltd, January 2007 Revision 1/...
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Page 16: 3.1 Description Of Controls
Piezo Igniter (Griddles Only) Open Burner 'F' Option Only OFF Position HIGH Flame LOW Flame Rear Burner Front Burner (Indicators located above the Gas Control Knobs). Blue Seal Evolution series G51 Gas Cooktops © Moffat Ltd, January 2007 Revision 1/... -
Page 17: Operation
7 and 30 millivolts when heated in the can be attributed to not pushing the plunger all pilot flame. the way in. Blue Seal Evolution series G51 Gas Cooktops © Moffat Ltd, January 2007 Revision 1/... -
Page 18: 4.1 Cleaning Procedure
Oil or grease should be spread over the griddle surface in order to form a thin protective greasy film. To keep your cooktop clean and operating at peak efficiency, follow the procedures shown below:- Blue Seal Evolution series G51 Gas Cooktops © Moffat Ltd, January 2007 Revision 1/... -
Page 19: Cleaning / Maintenance
Clean the griddle surface thoroughly with a wire brush or a flexible spatula. If necessary Blue Seal Evolution series G51 Gas Cooktops © Moffat Ltd, January 2007 Revision 1/... - Page 20 Blue Seal Evolution series G51 Gas Cooktops © Moffat Ltd, January 2007 Revision 1/...
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Page 21: Routine Maintenance
Cleaning / Maintenance Routine Maintenance G51 BLUE SEAL COOKTOP - MAINTENANCE SCHEDULE Business Name and Address: Date: Service Report No. Phone: Fax: Serial No: Clients Order No. Serviceman: Model: G51 Remarks Inspect exterior condition of unit. Check working gas pressure correct to rating plate. -
Page 22: Trouble-Shooting Guide
Burner goes out when set to low Incorrect supply pressure. Check / adjust pressure. position. Low fire rate set too low. Check adjust low fire rate. (Refer service section 6.4.2) Blue Seal Evolution series G51 Gas Cooktops © Moffat Ltd, January 2007 Revision 1/... - Page 23 Thermocouple faulty. Replace thermocouple. (Refer fault diagnosis 5.2.1) (Refer service section 6.2.3) Gas magnet faulty. Replace gas magnet. (Refer fault diagnosis 5.2.1) (Refer service section 6.2.7) Blue Seal Evolution series G51 Gas Cooktops © Moffat Ltd, January 2007 Revision 1/...
- Page 24 Replace / clean injectors. (Refer service section 6.2.6) Obstruction in burner. Clean burner. Incorrect supply pressure. Check supply pressure. Faulty gas control. Replace gas control. (Refer service section 6.2.12) Blue Seal Evolution series G51 Gas Cooktops © Moffat Ltd, January 2007 Revision 1/...
- Page 25 Pilot goes out when main burner Incorrect gas pressure. Check supply / adjust pressure. comes on. (Refer specifications section) Faulty gas control. Replace gas control. (Refer service section( 6.2.12) Blue Seal Evolution series G51 Gas Cooktops © Moffat Ltd, January 2007 Revision 1/...
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Page 26: Fault Diagnosis
Figure 5.2.1 Gas magnet faulty If thermocouple milli-voltage is above 10mV, and the pilot still will not hold, then the gas magnet is faulty - replace. Blue Seal Evolution series G51 Gas Cooktops © Moffat Ltd, January 2007 Revision 1/... -
Page 27: Service Procedures
QUALIFIED PERSONS ONLY. ENSURE GAS SUPPLY IS SWITCHED OFF BEFORE SERVICING WARNING: ALWAYS CHECK / TEST FOR GAS LEAKS AFTER SERVICE REPAIRS ON THE GAS SYSTEM Blue Seal Evolution series G51 Gas Cooktops © Moffat Ltd, January 2007 Revision 1/... -
Page 28: Access
Drip tray Two screws Caps and bowls Figure 6.1.1 Figure 6.2.1b 3) Remove two cap screws securing burner guard and remove burner guard. Cap screws Figure 6.2.1c Blue Seal Evolution series G51 Gas Cooktops © Moffat Ltd, January 2007 Revision 1/... -
Page 29: Open Burner Injector
7) Reassemble in reverse order. NOTE: ensure when reassembling that burner Figure 6.2.2c bowls are seated correctly on cap screw heads. Blue Seal Evolution series G51 Gas Cooktops © Moffat Ltd, January 2007 Revision 1/... -
Page 30: Open Burner Thermocouple
Figure 6.2.3a 3) Remove burner caps and bowls (front and rear). 4) Remove two cap screws securing burner guard and remove burner guard. Cap screws Figure 6.2.3b Blue Seal Evolution series G51 Gas Cooktops © Moffat Ltd, January 2007 Revision 1/... -
Page 31: Open Burner Gas Control
7) Undo injector case screw and remove pilot injector. 8) Clean replace necessary, reassemble in reverse order. Ensure when reassembling that burner bowls are seated correctly on locating pins. Blue Seal Evolution series G51 Gas Cooktops © Moffat Ltd, January 2007 Revision 1/... -
Page 32: Griddle Burner Gas Control
NOTE: When screwing thermocouple back into gas control, once threaded up tighten up another ¼ turn only. Do not over-tighten. Figure 6.2.8 3) Remove burner, replace and reassemble in reverse order. Blue Seal Evolution series G51 Gas Cooktops © Moffat Ltd, January 2007 Revision 1/... -
Page 33: Griddle Burner Injector
¼ turn only. Do not over-tighten. Two screws Thermocouple to gas control connection Figure 6.2.10 Figure 6.2.11b Blue Seal Evolution series G51 Gas Cooktops © Moffat Ltd, January 2007 Revision 1/... -
Page 34: Griddle Pilot Burner Injector
3) Remove H.T lead from the rear of the spark electrode. Figure 6.2.1 Piezo electrode Figure 6.2.13 4) Unscrew the spark electrode from the pilot burner assembly. 5) Replace and reassemble in reverse order. Blue Seal Evolution series G51 Gas Cooktops © Moffat Ltd, January 2007 Revision 1/... -
Page 35: Adjustment/ Calibration
5) Replace spindle and re-assemble gas control in reverse order. Figure 6.3.3 2) Adjust the aeration slide as required. The most efficient flame is clear blue/green in colour. Blue Seal Evolution series G51 Gas Cooktops © Moffat Ltd, January 2007 Revision 1/... -
Page 36: Accessories
Accessories Blue Seal Evolution series G51 Gas Cooktops © Moffat Ltd, January 2007 Revision 1/... -
Page 37: Exploded Parts Diagrams
Exploded Parts Diagrams G51 Gas Cooktops 8.1.1 G51 Main Assembly Blue Seal Evolution series G51 Gas Cooktops © Moffat Ltd, January 2007 Revision 1/... - Page 38 UNION BRASS CONICAL ½ X ¾ BSPT (G514/6/8 ONLY - G512 SEE ITEM 11) 11 228692 MANIFOLD / SUPPLY PIPE WA 300MM 227277 MANIFOLD 600MM 227278 MANIFOLD 900MM 228155 MANIFOLD 1200MM Blue Seal Evolution series G51 Gas Cooktops © Moffat Ltd, January 2007 Revision 1/...
- Page 39 INJECTOR 1.50mm (LPG) 030140 INJECTOR 1.40mm (UK PROPANE) 24 227456 FRONT BURNER SUPPLY TUBE 25 227132 BURNER SUPPORT 26 228166 THERMOCOUPLE 600mm 27 227627 THEMOCOUPLE SUPPORT BRKT WA Blue Seal Evolution series G51 Gas Cooktops © Moffat Ltd, January 2007 Revision 1/...
- Page 40 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 Blue Seal Evolution series G51 Gas Cooktops © Moffat Ltd, January 2007 Revision 1/...
- Page 41 60 227765 BURNER MOUNTING BRACKET 61 019215K PILOT BURNER KIT 026488 PILOT BURNER INJECTOR 0.35mm (NAT GAS) 019217 PILOT BURNER INJECTOR 0.23mm (LPG/PROPANE) 018744 PIEZO IGNITION ELECTRODE Blue Seal Evolution series G51 Gas Cooktops © Moffat Ltd, January 2007 Revision 1/...
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Page 42: G51 Base Options
HOB BACK PANEL 300MM WIDE 228313 HOB BACK PANEL SUPPORT 600MM WIDE 227121 HOB BACK PANEL SUPPORT 900MM WIDE 228314 HOB BACK PANEL SUPPORT 1200MM WIDE Blue Seal Evolution series G51 Gas Cooktops © Moffat Ltd, January 2007 Revision 1/... - Page 43 REAR ROLLER ASSEMBLY 229671 LEG RING PLATE THREADED 227040 BACK PANEL 600MM WIDE 227104 BACK PANEL 900MM WIDE 227117 BACK PANEL 1200MM WIDE 228935 GAS HOUSING Blue Seal Evolution series G51 Gas Cooktops © Moffat Ltd, January 2007 Revision 1/...
- Page 44 LEG RING PLATE PLAIN 10 230355 SIDE COVER LH 11 228313 HOB BACK PANEL SUPPORT 600MM 228312 HOB BACK PANEL SUPPORT 900MM 228314 HOB BACK PANEL SUPPORT 1200MM Blue Seal Evolution series G51 Gas Cooktops © Moffat Ltd, January 2007 Revision 1/...
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Page 45: Service Contacts
AUCKLAND - MOFFAT LTD 4 Waipuna Road Tel (09) 574 3150 Mt Wellington Fax (09) 574 3159 Auckland Spare Parts Free Call 0800 MOFFAT (0800 66 33 28) Blue Seal Evolution series G51 Gas Cooktops © Moffat Ltd, January 2007 Revision 1/... - Page 46 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) Blue Seal Evolution series G51 Gas Cooktops © Moffat Ltd, January 2007 Revision 1/...
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Page 47: Appendix A - Gas Type Conversion Kit
Locating Holes Fig 15 NOTE: The right hand gas control valve supplies the rear burner and the left hand gas control valve supplies the front burner. Blue Seal Evolution series G51 Gas Cooktops © Moffat Ltd, January 2007 Revision 1/... - Page 48 Refer to the ‘Gas Connection’ section and the ‘Dimensions’ section. Pilot Injector Plug Fig 19 Blue Seal Evolution series G51 Gas Cooktops © Moffat Ltd, January 2007 Revision 1/...
- Page 49 Fig 23). Low Fire Adjustment Screw Fig 23 NOTE: The “Low Fire Screw” should be sealed with coloured paint on completion of the low fire adjustment. Blue Seal Evolution series G51 Gas Cooktops © Moffat Ltd, January 2007 Revision 1/...
- Page 50 NOTE: The “Low Fire Screw” should be sealed with Low Fire Adjustment Screw Fig 26 coloured paint on completion of the low fire adjustment. Blue Seal Evolution series G51 Gas Cooktops © Moffat Ltd, January 2007 Revision 1/...
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Page 51: Gas Regulator
On completion of the gas conversion, replace the gas type identification label located at:- - The rear of the appliance, above the gas connection. - Beside the rating plate. Blue Seal Evolution series G51 Gas Cooktops © Moffat Ltd, January 2007 Revision 1/... -
Page 52: Gas Specifications
Pilot Burner 0.35 0.23 Supply Pressure 1.13 - 3.40 kPa 2.75 - 3.40 kPa Operating Pressure 0.95 kPa (*) 2.6 kPa (*) Gas Regulator Cap Screw Blue Seal Evolution series G51 Gas Cooktops © Moffat Ltd, January 2007 Revision 1/... - Page 53 ‘High’ 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). Blue Seal Evolution series G51 Gas Cooktops © Moffat Ltd, January 2007 Revision 1/...
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