Blodgett SB-10G, Installation Operation & Maintenance

Page 1: ... CONVECTION STEAMER ON A GAS FIRED BOILER BASE INSTALLATION OPERATION MAINTENANCE BLODGETT OVEN COMPANY www blodgett com 44 Lakeside Avenue Burlington Vermont 05401 USA Telephone 802 658 6600 Fax 802 864 0183 S00046 Rev D 4 09 ...

Page 2: ...ld be retained for future reference FOR YOUR SAFETY Do not store or use gasoline or other flammable vapors or liquids in the vicinity of this or any other appliance Intended for commercial use only Not for household use PURCHASER Instructions to be followed in the event that the operator of this appliance smells gas must be posted in a prominent location This information shall be obtained by consu...

Page 3: ... 1 0 Service Connections 4 2 0 Installation Instructions 5 3 0 Operation Instructions 10 4 0 Operation Instructions for Boilers with CSD 1 Controls 12 5 0 Operation Instructions Cooker Section 15 6 0 Periodic Maintenance 17 7 0 Adjustments 19 8 0 Troubleshooting 21 9 0 Cooking Chart 24 ...

Page 4: ...general guidelines Water which fails to meet these standards should be treated by installation of water conditioner FAILURE OR MALFUNCTION OF THIS APPLIANCE DUE TO POOR WATER QUALITY IS NOT COVERED UNDER WARRANTY Total dissolved solids Total alkalinity Silica Chlorine pH Factor Less than 13 PPM Less than 1 5 PPM 7 0 8 5 WATER QUALITY STATEMENT Less than 60 PPM Less than 20 PPM 178mm 355mm 7 14 279...

Page 5: ... location must be kept free and clear of combustibles Do not obstruct the flow of combustion and ventilation air Clearance from combustible construction must be a minimum of 3 inches from the sides and 6 inches from the back The appliance should be installed on a noncombustible floor Provide adequate clearances for cleaning maintenance service and proper operation Sufficient air should be allowed ...

Page 6: ...t compound INSTALLATION CODES AND STANDARDS Gas installation to conform to local codes or in absence of local codes with the National Fuel Gas Code ANSI Z223 1 NFPA 54 or the Natural Gas and Propane Installation Code CSA B149 1 as applicable including 1 The appliance and its individual shut off valve must be disconnected from the gas supply piping system during any pressure testing of that system ...

Page 7: ...aust fan in the OFF position SERVICE CONNECTIONS NOTICE If this equipment is being installed at over 2 000 feet altitude and was not so specified on order contact service department Failure to install with proper orifice sizing may void the warranty PLUMBING CONNECTIONS WARNING Plumbing connections must comply with applicable sanitary safety and plumbing codes WATER SUPPLY CONNECTION The incoming ...

Page 8: ...its should not show any appreciable drop Fluctuations of more than 25 on natural gas and 10 on propane gas will create pilot problems and affect burner operating characteristics Contact your gas company for correct supply line sizes Purge the supply line to clean out any dust dirt or foreign matter before connecting the line to the unit CAUTION The pipe thread compound used when installing pipes m...

Page 9: ...ith the applicable portions of the National Electrical Code and or other local codes 120 VAC 60 Hz Single Phase Make electrical connection to terminal block in rear of unit A separate 15 amp supply is needed for each unit Refer to the electrical diagram located inside cabinet on door ...

Page 10: ...nd generate steam OFF shuts off the boiler controls and opens the automatic blowdown valve emptying the boiler tank and releasing water and steam to the drain This should be done at least once daily to remove sediment lime or scale Pilot Light Indicates main power is ON Boiler Pressure Gauge Should read 9 11 psi during operation 0 psi during shutdown Water Level Sight Glass Observe level of water ...

Page 11: ...urner of boiler Maintain dial in depressed position for about 30 seconds and release Observe that the pilot burner flame stays on If at any time the flame should become extinguished a 5 minute period of complete shut off of gas supply is required before relighting Turn dial to ON and burners should ignite Steam generation will now commence and be completed in approximately 15 minutes Steam generat...

Page 12: ... dial on the gas combination valve to PILOT depress the dial and light the pilot burner on the centre burner Maintain the dial in depressed position for about 30 seconds and release Observe the pilot flame stays ON Turn dial to ON If at any time the flame should become extinguished a five 5 minute purging is required before relighting is attempted 4 Open cabinet door and turn ON the power switch T...

Page 13: ...e if so equipped If the appliance is equipped with an automatic blowdown solenoid valve the boiler s contents water and steam will be blown out and exhausted through the appliance drain The cold water solenoid valve will be activated Complete Shutdown Procedure If the appliance is not intended to be operational for a lengthy period then shut it down completely 1 Open the manual blowdown valve if s...

Page 14: ...down valve it is activated by the main power switch The boiler will be drained should the main power switch be turned OFF SAFETY LOCKOUT CONDITIONS High Temperature Condition A high temperature safety device is installed on the boiler Should the temperature exceed the limit of this device the boiler will be shut down and put in a state of lockout The Temperature pilot light red and the Standby pil...

Page 15: ...t timer to cooking time desired Cooking cycle may be interrupted at any time by opening door and resumed again by closing door 6 When buzzer sounds it indicates the end of the cooking cycle and that no more steam is entering the compartment Cooking pilot light will go off and ready pilot light will come on Buzzer must be shut off by turning the timer to its off position CAUTION An obstructed drain...

Page 16: ...end of the day the steam supply must be shut off Details are on boiler instruction plate or previous section of this manual WARNING Never spray water into electric controls NOTICE Contact the factory the factory representative or a local service company to perform maintenance and repairs should the appliance malfunction Refer to warranty terms ...

Page 17: ... The Boiler Water Level Control installed on your boiler requires periodic maintenance As boiler water circulates into the float chamber sand scale and other sediment may be deposited in the float chamber While the chamber has been designed with a large accumulation bowl it is necessary to flush the sediment from the chamber by blowing down the control so that the accumulation of sediment does not...

Page 18: ...nd call for service Continue draining water for about fifteen 15 seconds from control until water is clean Manually close valve Recheck gauge glass If water level has dropped significantly wait for the boiler to restore water level and pressure and repeat if necessary CLEANING CAUTION Do not use cleaning agents that are corrosive 1 Keep exposed cleanable areas of unit clean at all times 2 Thorough...

Page 19: ... tube through fitting and pour in half gallon U S of CLR Descaling Solution or use the Optional Deliming Assembly DPA 1 available from your dealer For appliances equipped with CSD 1 descaling solution must be introduced through hand hole 4 Replace 3 4 pipe plug securely 5 Open water supply to appliance allowing water to fill boiler to required level 6 Let appliance cycle allow two hours for descal...

Page 20: ...s off This should occur at 15 psi Set the high signal to switch at 14 5 psi on the gauge and the low signal to 13 0 psi 2 OVERRIDE PRESSURE SWITCHES Allow pressure to increase to 13 psi Set the high signal to switch at 13 psi on the gauge and the low signal to 11 psi 3 OPERATING PRESSURE SWITCHES Set the high signal to switch at 11 psi on the gauge and the low signal to 9 psi 4 Release pressure in...

Page 21: ...unit not have the High Limit pressure switch start procedure at Override pressure switch SERVICE Contact your local authorized service office for any repairs or adjustments needed on this equipment NOTICE Contact the factory the factory representative or local service company to perform maintenance and repairs ...

Page 22: ...n valve is closed Also check that water level control valve is closed 5 Supply water pressure too low AUTOMATIC BLOWDOWN VALVE DOES NOT DRAIN 1 Defective blowdown valve 2 Heat exchanger build up of scalant clogging drain lines and valve BOILER ACHIEVES PRESSURE SLOWER THAN NORMAL 1 Heavy build up of lime or scalant hampering heat transfer Call for service to inspect interior of boiler Should a con...

Page 23: ...ay which energizes pressure switch and gas valve 8 Pressure switch may need to be replaced if relay is operating 9 Check gas control If energized but not operating have replaced PILOT LIGHT DOES NOT IGNITE ELECTRONIC IGNITION 1 Gas control knob is in OFF position 2 Loose or dirty wire connection to ignition module clean or tighten 3 Ignition cable shorting out Check that it is not in contact with ...

Page 24: ...gs Scrambled 10 12 8 Dozen Rice Long Grain Cover with 4 cups water lb 25 2 Lb Pasta Place perforated pan inside solid pan cover pasta with cold water Spaghetti Regular Vermicelli Macaroni Shells Elbows Noodles Wide Lasagna Noodles 12 15 15 18 12 15 15 18 Frozen Casseroles Lasagna 35 Full Pan Meat Loaf 3 5 Lb Each 40 15 Lb Beef Ground Chuck Slices as Purchased 20 25 35 40 10 Lb 10 Lb Shrimp Frozen ...

Page 25: ...resh 4 3 Lb Scrod Fillets Fresh 3 5 4 Lb Eggs Hard Cooked Soft Cooked Soft Yolk for Caesar Salad 15 9 10 6 8 4 Dozen 4 Dozen 4 Dozen Chicken Breasts Legs Thighs 20 15 Lb Turkey Frozen Breasts 2 Cut length wise 90 55 6 7 Lb Ea 20 25 Lb Corned Beef 40 75 6 8 Lb Hot Dogs or Wieners 3 80 100 Count Asparagus Spears Frozen Fresh 10 12 5 3 Dozen 5 Lb Beans Green 2 Cut Frozen Fresh Lima Frozen Baby Lima F...

Page 26: ...5 10 Lb Spinach Chopped Frozen Defrosted Fresh Cut 17 5 3 6 Lb 6 Lb 2 Lb Squash Acorn Halves 25 10 Halves Zucchini Slices 8 10 Lb Frozen Mixed Vegetables 6 7 5 Lb Fruit Blanch for Peeling Grapefruit Oranges 3 Pineapple Whole for Cutting 4 COOKING HINTS Where possible spread food out evenly in pans Do not allow food to protrude above pans since this will interfere with steam circulation between pan...