Vulcan-Hart C24EO3 Service Manual Download | Manualshive

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REMOVAL AND REPLACEMENT OF PARTS

COVERS AND PANELS

Disconnect the

electrical power to the machine and
follow lockout / tagout procedures.

SIDE PANELS

1.

Remove screws from bottom of panel.

Fig. 1

2.

Slide panel down to clear top cover.

3.

Reverse procedure to install.

TOP COVER

1.

Remove SIDE PANELS.

2.

Remove screws securing rear of top cover.

Fig. 2

3.

Remove nuts securing front of top cover.

Fig. 3

4.

Lift top cover off machine.

5.

Reverse procedure to install.

REAR PANEL

1.

Remove screws securing rear panel.

Fig. 4

2.

Disconnect tube from steam vent pipe.

3.

Remove rear panel.

4.

Reverse procedure to install.

C24EO SERIES ELECTRIC COUNTERTOP STEAMERS - REMOVAL AND REPLACEMENT OF PARTS

Page 5 of 27

F25386 (0415)

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Summary of Contents for C24EO3

Page 1: ... and skills required to perform the procedure Procedures for which you do not have the necessary tools instruments and skills should be performed by a trained Vulcan Service Technician The reproduction transfer sale or other use of this Manual without the express written consent of Vulcan is prohibited This manual has been provided to you by ITW Food Equipment Group LLC ITW FEG without charge and ...

Page 2: ...ALVE 10 DOOR 10 DOOR GASKET 10 DOOR HANDLE 11 DOOR LATCH ASSEMBLY 12 DOOR HINGE BEARINGS 13 SERVICE PROCEDURES AND ADJUSTMENTS 15 DOOR LATCH ADJUSTMENT 15 OPENING A JAMMED DOOR 15 ADJUSTMENT 15 HEATING ELEMENT TEST 16 TEMPERATURE CONTROL CALIBRATION 16 ELECTRICAL OPERATION 18 COMPONENT FUNCTION 18 COMPONENT LOCATION 19 SEQUENCE OF OPERATION 19 TIMED COOKING MODE 19 CONSTANT COOKING MODE 20 SCHEMAT...

Page 3: ...n The water supply must be within the following specifications or a local water treatment specialist may need to be consulted If a water treatment system is installed it must be properly maintained WATER REQUIREMENTS Hardness Less than 3 grains 17 1ppm 1 grain of hardness Silica Less than 13 ppm Total Chloride Less than 4 ppm Ph range of 7 0 to 8 0 Un dissolved Solids less then 5 microns ELECTRIC ...

Page 4: ...aner and Degreaser McMaster Carr Part No 66415A21 or equivalent fast drying no residue cleaner Loctite 7471 Primer N Part No 544434 2 Loctite 271 or equivalent Loctite 242 Part No 520228 for threads of door screws RTV 109 for securing gasket to door Lubriplate 630AA for door handle sliding bracket C24EO SERIES ELECTRIC COUNTERTOP STEAMERS GENERAL F25386 0415 Page 4 of 27 ...

Page 5: ...ure to install TOP COVER 1 Remove SIDE PANELS 2 Remove screws securing rear of top cover Fig 2 3 Remove nuts securing front of top cover Fig 3 4 Lift top cover off machine 5 Reverse procedure to install REAR PANEL 1 Remove screws securing rear panel Fig 4 2 Disconnect tube from steam vent pipe 3 Remove rear panel 4 Reverse procedure to install C24EO SERIES ELECTRIC COUNTERTOP STEAMERS REMOVAL AND ...

Page 6: ...CEDURES AND ADJUSTMENTS TIMER Disconnect the electrical power to the machine and follow lockout tagout procedures 1 Remove right SIDE PANEL 2 Disconnect lead wires to timer Fig 6 3 Remove timer knob 4 Remove rotary shaft seal from timer shaft and remove timer Fig 7 5 Reverse procedure to install and check steamer for proper operation HOLD THERMOSTAT Disconnect the electrical power to the machine a...

Page 7: ... or clamp down on the capillary tube or damage may occur 1 Remove right SIDE PANEL 2 Disconnect lead wires from high limit Fig 9 3 Remove thermostat from mounting bracket 4 Remove screw and heat shield to access capillary bulb Fig 10 5 Loosen screws securing capillary bulb Fig 11 6 Remove high limit thermostat 7 Reverse procedure to install and check steamer for proper operation A Apply a small am...

Page 8: ...ol Fig 13 3 Remove temperature probe from steam vent pipe 4 Reverse procedure to install replacement probe and check steamer for proper operation 5 Adjust temperature control as outlined under TEMPERATURE CONTROL CALIBRATION in SERVICE PROCEDURES AND ADJUSTMENTS HEATING ELEMENT ASSEMBLY Disconnect the electrical power to the machine and follow lockout tagout procedures Removal The heating element ...

Page 9: ...ect and insulate element leads with orange green and red markers three 664W elements not used 1 Completely and evenly coat heating element assembly with thermal transfer compound using notched trowel Use one 13 5 oz tube of thermal transfer compound Fig 18 2 Partially install heating element assembly then mount high limit thermostat bulb and bracket to assembly A Apply thermal transfer compound be...

Page 10: ...R Disconnect the electrical power to the machine and follow lockout tagout procedures 1 Close door 2 Remove left SIDE PANEL 3 Remove nuts from upper hinge located inside front panel Fig 21 4 Open door slightly and while holding door pull upper hinge away from front panel 5 Pull upper hinge out of upper door hinge bushing 6 Lift door assembly up and off lower door hinge 7 Reinstall parts removed in...

Page 11: ...om inner door panel starting at the hinge side of door to separate the door halves NOTE The smaller radius of the step spacers fit into the slots of the outer door housing and is used to provide clearance for handle operation 4 Remove lock nuts and stepped spacers from threaded studs of door handle Fig 25 INSTALLATION 1 Apply Lubriplate 630AA around slots of outer door housing where step spacers c...

Page 12: ...r halves together 10 Check opening and closing operation of door DOOR LATCH ASSEMBLY Disconnect the electrical power to the machine and follow lockout tagout procedures REMOVAL AND DISASSEMBLY 1 Separate outer door housing assembly from inner door panel as outlined under DOOR HANDLE 2 Remove screws securing latch assembly to inner door panel and remove latch mechanism Fig 28 3 Remove E clip from l...

Page 13: ...panel Fig 32 2 Install outer door housing assembly as outlined in DOOR HANDLE INSTALLATION 3 Check opening and closing operation of door 4 Check steamer for proper operation and leaks around door seal DOOR HINGE BEARINGS Disconnect the electrical power to the machine and follow lockout tagout procedures 1 Close door 2 Remove left side panel see COVERS AND PANELS 3 Remove nuts from upper hinge loca...

Page 14: ...door assembly using a C clamp or equivalent 10 Reassemble parts removed in reverse order 11 Check door for fit and proper door gasket sealing C24EO SERIES ELECTRIC COUNTERTOP STEAMERS REMOVAL AND REPLACEMENT OF PARTS F25386 0415 Page 14 of 27 ...

Page 15: ...ause latch to stick 4 Apply Loctite 271 to threads of striker 5 Reinstall striker with slotted side up Snug striker nut Perform Adjustment so door will not jam Adjustment 1 Reinstall striker with slot pointing upward and hand tighten nut only 2 Close door to center striker in front panel mounting hole 3 Open door and check striker slot for horizontal alignment The slot on striker must be kept hori...

Page 16: ...ER ELEMENT C24EO3 208 2003 9 6 21 6 208 664 3 2 65 2 240 2667 11 1 21 6 C24EO5 208 4000 19 2 10 8 240 4000 16 7 14 4 480 4000 14 4 19 2 NOTES 1 Values in the table are nominal Tolerance is 5 10 2 3 pan 208V units use three 2003W elements and three 664W elements 3 3 pan 208 240V units share the same element assembly block 240V units use only the three 2003W marked elements 2667W actual 4 Resistance...

Page 17: ... set point temperature of the control is correct no adjustment is necessary B If the set point temperature of the control is not correct adjust the temperature control 1 Turn the temperature control dial clockwise to increase temperature or counterclockwise to decrease temperature NOTE During temperature control adjustment display will blink on off When display reverts to a steady image that displ...

Page 18: ...wer Switch 1S circuit Turns on Low Water Light 1LT and Buzzer when steamer is low on water Relay K3 Controlled by Power Switch 1S Keeps Buzzer from sounding and Low Water Light 1LT off when switch is in off position Power Switch 1S Rocker switch that turns steamer OFF and ON momentary on Switch also resets Low Water Light 1LT and Buzzer Door Switch 1SW Removes power from a portion of the steamer c...

Page 19: ...hermostat 2TAS 1 K2 1 N O contacts close a Power switch circuit is latched 2 K2 2 N C contacts open a Low water light 1LT and buzzer are de energized C ON indicator light 2LT amber comes on D Relay K1 coil energized thru door switch and hold thermostat 3TAS 1 K1 3 N O contacts close and regulating contactor 2CON coil is energized a Line voltage is supplied to other side of heating elements Element...

Page 20: ... to off or the door is opened NOTE If water level becomes low during cycling low water thermostat 2TAS will open and low water light 1LT amber will come on and buzzer will sound Timer and heating circuit will be de energized until water level is replenished and thermostat closes Constant Cooking Mode 1 Conditions A Steamer connected to correct voltage and is properly grounded B Power switch 1S off...

Page 21: ...t 5 Temperature reaches set point and the temperature control s internal N O contacts open A Regulating contactor 2CON coil deenergized and power is removed from heating elements 6 Steamer cycles on the temperature control until cook timer turned off 7 Turn cook timer off A Timer contacts 21 23 open cook light 3LT red goes out and temperature controller is de energized B Steamer reverts to hold te...

Page 22: ...SCHEMATIC DIAGRAM Fig 40 C24EO SERIES ELECTRIC COUNTERTOP STEAMERS ELECTRICAL OPERATION F25386 0415 Page 22 of 27 ...

Page 23: ...WIRING DIAGRAMS HEATING ELEMENTS C24EO3 208V 240V C24EO3 208V 240V C24EO5 208V 240V C24EO SERIES ELECTRIC COUNTERTOP STEAMERS ELECTRICAL OPERATION Page 23 of 27 F25386 0415 ...

Page 24: ...C24EO5 208V 240V C24EO5 480V C24EO SERIES ELECTRIC COUNTERTOP STEAMERS ELECTRICAL OPERATION F25386 0415 Page 24 of 27 ...

Page 25: ...C24EO5 480V C24EO SERIES ELECTRIC COUNTERTOP STEAMERS ELECTRICAL OPERATION Page 25 of 27 F25386 0415 ...

Page 26: ...ook light on low water light off 1 Line voltage incorrect 2 Heating element malfunction 3 Regulating contactor malfunction 4 Relay K1 malfunction 5 Temperature probe malfunction 6 Temperature controller malfunction Timer motor does not run 1 Door open or door switch malfunction 2 High limit thermostat open 3 Low water thermostat open 4 Timer inoperative Door not closing properly 1 Door latch assem...

Page 27: ...malfunction 3 Temperature control malfunction 4 Steamer operating in constant mode Excessive or inconsistent cook times 1 Door left open between loads 2 Temperature control set point too low 3 Heating element malfunction C24EO SERIES ELECTRIC COUNTERTOP STEAMERS TROUBLESHOOTING Page 27 of 27 F25386 0415 ...

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