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HALF-SIZE CONVECTION OVENS - ELECTRICAL OPERATION

32

SCHEMATIC-ELECTRIC OVENS
ECO2D

Summary of Contents for ECO2C

Page 1: ...ended a Vulcan Service School for this product you should read in its entirety the repair procedure you wish to perform to determine if you have the necessary tools instruments and skills required to...

Page 2: ...f Spark at Spark Probe 11 Gas Pressure Adjustment 12 Spark Ignition Control Test 12 Electronic Control 13 Solid State Control Test 14 Solid State Control Calibration 14 Door Switch Adjustment 15 Door...

Page 3: ...E Natural Propane Natural Propane 120V Single Oven 2500 2500 3 5 W C 10 W C 950 8 Stacked Oven 5000 5000 3 5 W C 10 W C 1900 16 ELECTRIC OVENS TOTAL KW 3 PHASE LOADING KW PER PHASE NOMINAL AMPS PER LI...

Page 4: ...to install Control Panel 1 On gas models remove the handle from the manual gas valve 2 Remove the three screws from the left front and loosen the three screws on the right side of the control panel 3...

Page 5: ...isted on the illustration Procedure WARNING UNPLUG UNIT BEFORE SERVICING 1 Remove the control panel as outlined under COVERS AND PANELS 2 Disconnect the wire leads at the component to be replaced 3 Re...

Page 6: ...to be replaced continue to step 7 7 Remove the right side panel 8 Disconnect the wire leads to the motor A P1 purple to wire 11 B Orange Low speed to wire 12 C Blue high speed to wire 13 D Red wires...

Page 7: ...edure to install door assembly and check for proper adjustment as outlined under DOOR ADJUSTMENT and DOOR SWITCH ADJUSTMENT in SERVICE PROCEDURES AND ADJUSTMENTS Disassembly 1 Open the door 2 Remove t...

Page 8: ...ws 4 Reverse the procedure to install the new switch 5 Adjust the door switch as outlined under DOOR SWITCH ADJUSTMENT in SERVICE PROCEDURES AND ADJUSTMENTS HEAT EXCHANGER GAS OVENS WARNING UNPLUG UNI...

Page 9: ...n installed the electrodes are positioned toward the front of the oven GAS VALVE GAS OVENS WARNING UNPLUG UNIT BEFORE SERVICING WARNING SHUT OFF THE GAS BEFORE SERVICING THE UNIT WARNING ALL GAS JOINT...

Page 10: ...ower clamp from between the side wall and the bottom of the oven cavity 7 Remove the clamps from the heating element assembly and replace the element s 8 Reverse procedure to install TEMPERATURE PROBE...

Page 11: ...IFICATION OF SPARK AT SPARK PROBE WARNING UNPLUG UNIT BEFORE SERVICING WARNING SHUT OFF THE GAS BEFORE SERVICING THE UNIT 1 Remove the right side panel and control panel as outlined under COVERS AND P...

Page 12: ...0 5 Propane inches W C the desired output cannot be obtained and the oven will overate at a lower BTU SPARK IGNITION CONTROL TEST WARNING UNPLUG UNIT BEFORE SERVICING NOTE Verify that the ground termi...

Page 13: ...ntil the cavity temperature stabiliz es usually 3 cycles 3 Turn the oven off 4 Enter the calibration mode 5 Compare the set temperature to the measured temperature 6 Adjust the temperature on the disp...

Page 14: ...to Trouble shooting Guide B If incorrect replace the temperature control SOLID STATE CONTROL CALIBRATION 1 Place a thermocouple in the geometric center of the oven cavity 2 Set the On Off Cool Down s...

Page 15: ...nd temperature control board as outlined under TESTING TEMPERATURE CONTROL BOARD DOOR SWITCH ADJUSTMENT WARNING DISCONNECT THE ELECTRICAL POWER TO THE MACHINE AT THE MAIN CIRCUIT BOX PLACE A TAG ON TH...

Page 16: ...tton in the old door bushing hole in the lower sill cover 5 Install the bottom door bushing and anti rotation plate 6 Remove the catch assembly from the oven A Move the door catch to the opposite side...

Page 17: ...AIN CIRCUIT BOX PLACE A TAG ON THE CIRCUIT BOX INDICATING THE CIRCUIT IS BEING SERVICED 1 Remove rack and rack supports 2 Remove baffle panel by lifting up and out 3 Check the blower It should be away...

Page 18: ...only when the doors are closed TEMPERATURE PROBE Senses temperature of oven cavity for the solid state control and electronic control SOLID STATE RELAY Controls power to blower motor Electronic Contr...

Page 19: ...HALF SIZE CONVECTION OVENS ELECTRICAL OPERATION 19 COMPONENT LOCATION...

Page 20: ...rner in the sequence described above Gas Oven NOTE A combination of terminal numbers and wire numbers will be used to describe the circuit paths The complete path will be described when a component is...

Page 21: ...wire 13 7 J1 7 wire 7 37 power switch Electronic Control Gas NOTE Use GCO2C Schematic NOTE A combination of terminal numbers and wire numbers will be used to describe the circuit paths The complete p...

Page 22: ...xpires A Buzzer sounds continually until turned off 6 Oven continues to cycle at set temperature NOTE The blower motor and gas valve are de energized when the door is opened while the oven is in the c...

Page 23: ...l powered wire 34 wire 33 3 J1 3 wire 3 door switch wire 27 4 J1 4 wire 4 36 35 terminal 8 and 7 terminal 9 120 VAC or terminal 10 200 240 VAC wire 39 37 C Blower motor energized wire 34 wire 33 3 J1...

Page 24: ...ure E Door switch closed F Fan speed switch in either position 2 Power cooldown switch turned on A Control transformer primary powered wire 26 4 J1 4 wire 4 94 wire 97 7 J1 7 wire 7 2A fuse J1 2 wire...

Page 25: ...to hold temperature 6 Oven temperature reaches hold temperature A Display counts up time and flashes hold 7 Oven continues to cycle at hold temperature until oven is turned off or the hold function is...

Page 26: ...HALF SIZE CONVECTION OVENS ELECTRICAL OPERATION 26 SCHEMATICS GAS OVENS GCO2D...

Page 27: ...HALF SIZE CONVECTION OVENS ELECTRICAL OPERATION 27 GCO2C...

Page 28: ...HALF SIZE CONVECTION OVENS ELECTRICAL OPERATION 28 WIRING DIAGRAM GAS OVENS GCO2D Control Section...

Page 29: ...HALF SIZE CONVECTION OVENS ELECTRICAL OPERATION 29 GCO2D Oven Section...

Page 30: ...HALF SIZE CONVECTION OVENS ELECTRICAL OPERATION 30 GCO2C Control Section...

Page 31: ...HALF SIZE CONVECTION OVENS ELECTRICAL OPERATION 31 GCO2C Oven Section...

Page 32: ...HALF SIZE CONVECTION OVENS ELECTRICAL OPERATION 32 SCHEMATIC ELECTRIC OVENS ECO2D...

Page 33: ...HALF SIZE CONVECTION OVENS ELECTRICAL OPERATION 33 ECO2C...

Page 34: ...HALF SIZE CONVECTION OVENS ELECTRICAL OPERATION 34 WIRING DIAGRAM ELECTRIC OVENS ECO2D Control Section...

Page 35: ...HALF SIZE CONVECTION OVENS ELECTRICAL OPERATION 35 ECO2D Oven Section...

Page 36: ...HALF SIZE CONVECTION OVENS ELECTRICAL OPERATION 36 ECO2C Control Section...

Page 37: ...HALF SIZE CONVECTION OVENS ELECTRICAL OPERATION 37 ECO2C Oven Section...

Page 38: ...e 4 Solid state relay malfunction Electronic Control 5 Electronic control inoperative Electronic Control Oven is slow to heat or not hot enough 1 Incorrect line voltage 2 One phase of 3 phase out 3 Th...

Page 39: ...ctronic control or probe inoperative 5 Centrifugal switch in blower motor inoperative Oven is slow to heat or not hot enough 1 Gas pressure not correct 2 Control malfunction solid state or electronic...

Page 40: ...Form 24575 12 96 Printed in U S A...

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