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Blodgett SG2136 Service And Repair Manual
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Blodgett SG2136 Service And Repair Manual

Blodgett SG2136 Service And Repair Manual

Conveyor oven
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SMART GENERATION
CONVEYOR OVEN SERIES
SERVICE AND REPAIR MANUAL
BLODGETT OVEN COMPANY
E

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Summary of Contents for Blodgett SG2136

  • Page 1 SMART GENERATION CONVEYOR OVEN SERIES SERVICE AND REPAIR MANUAL BLODGETT OVEN COMPANY...
  • Page 3 1. INTRODUCTION 2. OPERATION 3. CALIBRATION AND ADJUSTMENT 4. PARTS REPLACEMENT 5. TROUBLESHOOTING...
  • Page 5 INTRODUCTION...
  • Page 6 OVEN SPECIFICATIONS VENTILATION REQUIREMENTS U.S. and Canadian installations General export installations MODEL SINGLE DOUBLE TRIPLE Exhaust Volume - CFM (M /min) Supply Requirements - CFM (M /min) WARNING: Failure to properly vent the oven can be hazard ous to the health of the operator and may result in operational problems, unsatisfactory baking and possible damage to the equipment.
  • Page 9 ELECTRICAL SPECIFICATIONS SG2136G SG3240G SG2136E SG3240E U.S. and Canadian installations (or similar) U.S. and Canadian installations (or similar) General export installations General export installations WARNING!! Incorrect single phase wiring may result in ex tensive damage to electrical components and fire in the electrical box.
  • Page 10 SG2136E Single Phase Power SG2136G and SG3240G SG2136E and SG3240E Delta Three Phase Power SG2136E and SG3240E Wye Three Phase Power...
  • Page 11 GAS SPECIFICATIONS GAS CONNECTIONS Domestic and General Export installations Installations within the U.S. Installations outside the U.S. GAS REQUIREMENTS SG2136G DOMESTIC AND GENERAL EXPORT Natural Gas Propane Gas Gas Line Sizing Orifice Size Incoming Gas Pressure Manifold Burner Pressure SG2136G CE APPROVED UNITS Type of Inlet Burner Pressure...
  • Page 12 SG3240G DOMESTIC AND GENERAL EXPORT Natural Gas Propane Gas Gas Line Sizing Orifice Size Incoming Gas Pressure Manifold Burner Pressure SG3240G CE APPROVED UNITS Type of Inlet Burner Pressure Injector Pilot Standard Pressure mbars Diameter Opening Injector Delivery mbars Value kW (H...
  • Page 14 OPERATION...
  • Page 15 STANDARD MANUAL CONTROL MANUAL CONTROL DESCRIPTION...
  • Page 16 OPERATION To change the cook time: To turn the oven on: To display the actual oven temperature: To turn the oven off: To change the cook temperature: Do not use the emergency switch as a GENERAL on/off switch!
  • Page 17 PROGRAMMABLE MENU CONTROL MENU CONTROL DESCRIPTION...
  • Page 18 MENU PROGRAMMING OPERATION To enter programming mode: To program the menu keys: To display the actual oven temperature: To turn the oven off: To exit the programming mode: Do not use the emergency switch as a GENERAL on/off switch!
  • Page 19 OVEN ADJUSTMENTS FOR COOKING CONVEYOR SPEED AND OVEN TEMPERATURE FINISHED PRODUCT TEMPERATURES AIR FLOW ADJUSTMENTS...
  • Page 21 SCHEMATICS SG2136G...
  • Page 22 SG2136E - 2 WIRE...
  • Page 23 SG2136E - 3 WIRE...
  • Page 24 SG2136E - 4 WIRE...
  • Page 25 SG3240G...
  • Page 26 SG3240E - 3 WIRE...
  • Page 27 SG3240E - 4 WIRE...
  • Page 28 CALIBRATION AND ADJUSTMENT...
  • Page 29 CONTROL IDENTIFICATION AND REGISTRATION CONTROL REGISTRATION Standard Manual PLC Control VENTILATION Menu Programmable PLC Control...
  • Page 30 GAS PRESSURE ADJUSTMENTS REGULATED GAS PRESSURE To adjust the manifold pressure...
  • Page 31 PRIMARY AIR ADJUSTMENT COMBUSTION BLOWER PRESSURE SWITCH ADJUSTMENT The adjustment of the pressure switches after installation is extremely important.
  • Page 32 View B Interface Board - View A Interface Slide Tray (SG3240G shown) Ignition Control Board - View C Pressure Switch - View D...
  • Page 33 CONVECTION BLOWERS MOTOR ROTATION OF CONVECTION BLOWERS CHECKING THE LOW LIMIT OF THE BLOWERS: SG3240 BLOWER WHEEL ROTATION (Side view) (Top view)
  • Page 34 TEMPERATURE CALIBRATION To Calibrate the Cook Temperature: To Enter Configuration and Calibration Mode:...
  • Page 35 To Exit Configuration and Calibration Mode:...
  • Page 36 BELT SPEED CALIBRATION To Calibrate the Belt Speed: To Enter Configuration and Calibration Mode: conveyor shaft sprocket motor shaft sprocket...
  • Page 37 To Exit Calibration Mode: Model Oven Length Shaft Teeth Motor Teeth Belt Radius Motor Ratio...
  • Page 38 PARTS REPLACEMENT...
  • Page 39 PLC REPLACEMENT AND PROGRAMMING PLC REMOVAL AND REPLACEMENT PLC PROGRAMMING RTD Converter...
  • Page 40 INTERFACE BOARD BELT DIRECTION REMOVAL AND REPLACEMENT View A...
  • Page 41 CIRCULATING FAN PRESSURE SWITCH REPLACEMENT ° ° ° ° Do not remove the relay when the blowers are in operation or failure to the Interface ADJUSTMENT Board may result. The adjustment of the circulation air pressure switch after installation is extremely important. °...
  • Page 42 SG3240 Pressure Switch...
  • Page 43 COMBUSTION PRESSURE SWITCH ADJUSTMENT The adjustment of the pressure switches after installation is extremely important. ADJUSTMENT SG3240 Pressure Switch...
  • Page 45 TROUBLESHOOTING...
  • Page 46 FAULT DISPLAY INDICATORS To access second level programming: To return to user mode: To check the hour meter: FAULT DISPLAY DEFINITION...
  • Page 47 DC DRIVE SYSTEM...
  • Page 48 HEATING SYSTEM...
  • Page 51 View A...
  • Page 52 CONVECTION SYSTEM...
  • Page 53 REFERENCE TABLES HEATING ELEMENT RESISTANCE PROBE RESISTANCE VS TEMPERATURE ELEMENT RESISTANCE SG2136E/G and SG3240E/G SG1236E Ohms Ohms SG3240E WARNING!! Measure resistance with all element lead wires and oven power disconnected.

This manual is also suitable for:

Sg3240