Vulcan-Hart C24EA Series Service Manual
Electric convection steamers
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This Manual is prepared for the use of trained Vulcan Service
Technicians and should not be used by those not properly
qualified.
This manual is not intended to be all encompassing. If you have
not attended 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 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 remains the property
of ITW FEG, and by accepting this manual you agree that you will
return it to ITW FEG promptly upon its request for such return at
any time in the future.
A product of Vulcan-Hart
SERVICE MANUAL
C24EA SERIES ELECTRIC
CONVECTION STEAMERS
C24EA6
C24EA10
- NOTICE -
3600 North Point Blvd Baltimore, MD 21222
ML-136058
ML-136059
F35453 Rev. A (0119)
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Table of Contents
Related Manuals for Vulcan-Hart C24EA Series
Summary of Contents for Vulcan-Hart C24EA Series
- Page 1 SERVICE MANUAL C24EA SERIES ELECTRIC CONVECTION STEAMERS C24EA6 ML-136058 C24EA10 ML-136059 - NOTICE - This Manual is prepared for the use of trained Vulcan Service Technicians and should not be used by those not properly qualified. This manual is not intended to be all encompassing. If you have...
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Page 2: Table Of Contents
SERVICE UPDATES ................. . . 4 TIS DOCUMENT LIST - C24EA SERIES ELECTRIC CONVECTION STEAMERS ......4 GENERAL . - Page 3 C24EA SERIES ELECTRIC CONVECTION STEAMERS BUZZER ....................36 CONTROL BOARD .
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Page 4: Service Updates
Changed pressure switch setting in PRESSURE SERVICE UPDATES SWITCH (1PAS) data module. • Updated Reducer Bushing Grainger PN. TOOLS October 2017 TIS DOCUMENT LIST - C24EA SERIES ELECTRIC CONVECTION STEAMERS SERVICE TAB Document Title Document Type C24EA-LWE SERIES COUNTERTOP STEAMER Service Manual... - Page 5 C24EA SERIES ELECTRIC CONVECTION STEAMERS - SERVICE UPDATES SERVICE TAB (Multimedia) SB800 Vulcan Steam Equipment - Enhanced Ignition Technical Service Bulletin (TSB) Modules SB860 Atmospheric Steamer Door Switch Actuator Rod Technical Service Bulletin (TSB) TSB 1374 Water Level Control Part No. 844069-1...
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Page 6: General
C24EA SERIES ELECTRIC CONVECTION STEAMERS - GENERAL GENERAL ELECTRICAL SPECIFICATIONS INTRODUCTION C24EA6 C24EA10 This manual is applicable to the models and ML Volts Phase Total Total Amps Amps numbers listed on the cover page. Procedures apply to all models unless specified otherwise. -
Page 7: Reference Material
C24EA SERIES ELECTRIC CONVECTION STEAMERS - GENERAL the steam generator, heating elements, TOOLS thermostat bulbs and water level probes. Because of the high temperature of these • Standard set of hand tools. surfaces, the precipitated minerals bake onto them and become very difficult to remove. -
Page 8: Covers And Panels
C24EA SERIES ELECTRIC CONVECTION STEAMERS - COVERS AND PANELS COVERS AND PANELS FRONT BASE PANEL Disconnect the electrical power to the machine and follow lockout / tagout procedures. Remove screws from the bottom of panel. Fig. 3 Pull bottom of panel out and slide down to clear tabletop cover. -
Page 9: Cooking Compartment Right And Left Side Panels
C24EA SERIES ELECTRIC CONVECTION STEAMERS - COVERS AND PANELS Pull bottom of panel out and slide down to clear top cover. Reverse procedure to install. Fig. 4 Pull bottom of panel out and slide down to clear tabletop cover. Reverse procedure to install. -
Page 10: Door
C24EA SERIES ELECTRIC CONVECTION STEAMERS - DOOR DOOR REMOVAL Disconnect the electrical power to the machine and follow lockout / tagout procedures. Close door. Remove COOKING COMPARTMENT LEFT SIDE PANEL as outlined under Coversand Panels. Remove nuts from upper hinge located inside Fig. -
Page 11: Latch Assembly
C24EA SERIES ELECTRIC CONVECTION STEAMERS - DOOR Remove screws from top and bottom of door assembly. Fig. 11 Install lock nuts and tighten until no gap exists between handle, step spacer and lock nut. Do not over-tighten lock nuts. Close inner door panel so that latch mechanism Fig. - Page 12 C24EA SERIES ELECTRIC CONVECTION STEAMERS - DOOR Separate outer door housing assembly from Apply Lubriplate 630AA to sides of sliding inner door panel as outlined under DOOR bracket. HANDLE. Insert spring pin into bottom of sliding bracket. A. Remove screws securing latch assembly to inner Place spring over spring pin.
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Page 13: Hinge Bearings
C24EA SERIES ELECTRIC CONVECTION STEAMERS - DOOR Install outer door housing assembly as outlined Press hinge bearing fully into door assembly under DOOR HANDLE. using a C-clamp or equivalent. Check opening and closing operation of door. 10. Reassemble parts removed in reverse order. - Page 14 C24EA SERIES ELECTRIC CONVECTION STEAMERS - DOOR Fig. 20 Open door. Remove striker. Remove any burrs on striker that may cause latch to stick. Apply Loctite 271 to threads of striker. Reinstall striker with slotted side up. Snug striker nut. Perform Adjustment, so door will not jam.
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Page 15: Thermostat And High Limits
C24EA SERIES ELECTRIC CONVECTION STEAMERS - THERMOSTAT AND HIGH LIMITS THERMOSTAT AND HIGH LIMITS HEAT EXCHANGER HIGH LIMIT Disconnect the electrical power to the machine and follow lockout / tagout procedures. Turn off machine to drain steam generator. Allow steamer to complete drain cycle. -
Page 16: Condensate Thermostat
C24EA SERIES ELECTRIC CONVECTION STEAMERS - THERMOSTAT AND HIGH LIMITS Ensure capillary bulb is centered in the holding tube. Tighten the capillary tube compression nut. Fig. 23 Disconnect electrical wiring to high limit. Remove high limit from the rear of low voltage control box. - Page 17 C24EA SERIES ELECTRIC CONVECTION STEAMERS - THERMOSTAT AND HIGH LIMITS Fig. 26 Reassemble parts removed in reverse order. Apply pipe thread sealant to threads of thermostat before assembly. Check steamer for proper operation and leaks around condensate thermostat. Page 17 of 75...
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Page 18: Timers
C24EA SERIES ELECTRIC CONVECTION STEAMERS - TIMERS TIMERS REMOVAL AND REPLACEMENT Disconnect the electrical power to the machine and follow lockout / tagout procedures. NOTE: When the timer reaches zero, an external buzzer will sound and steam will stop entering the cooking compartment. -
Page 19: Heating Elements And Contactors
C24EA SERIES ELECTRIC CONVECTION STEAMERS - HEATING ELEMENTS AND CONTACTORS HEATING ELEMENTS AND CONTACTORS REMOVAL AND REPLACEMENT HEATING ELEMENTS AND CONTACTORS Heating Elements Turn off machine to drain steam generator. Allow steamer to complete drain cycle. Turn off water supply. -
Page 20: Heating Elements Diagnostic Check
C24EA SERIES ELECTRIC CONVECTION STEAMERS - HEATING ELEMENTS AND CONTACTORS NOTE: Checking current draw is the preferred method over a resistance check when an amp clamp meter is available. If current is correct, then heating element is ok. See table for proper values. -
Page 21: Heat Exchanger Elements And Relays
C24EA SERIES ELECTRIC CONVECTION STEAMERS - HEAT EXCHANGER ELEMENTS AND RELAYS HEAT EXCHANGER ELEMENTS AND RELAYS REMOVAL AND REPLACEMENT Disconnect the electrical power to the machine and follow lockout / tagout procedures. Heat Exchanger Elements Turn off machine to drain steam generator. Allow steamer to complete drain cycle. -
Page 22: Heat Exchanger Elements Diagnostic Check
C24EA SERIES ELECTRIC CONVECTION STEAMERS - HEAT EXCHANGER ELEMENTS AND RELAYS Reassemble parts removed in reverse order. Check steamer for proper operation. HEAT EXCHANGER ELEMENTS DIAGNOSTIC CHECK Certain procedures in this section require electrical test or measurements while power is applied to the machine. - Page 23 C24EA SERIES ELECTRIC CONVECTION STEAMERS - HEAT EXCHANGER ELEMENTS AND RELAYS If unable to check current draw, a resistance If resistance is not correct, replace heat check may indicate a malfunctioning element. exchanger element. Turn power switch off and disconnect power Check steamer for proper operation.
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Page 24: Water Level Control Components
C24EA SERIES ELECTRIC CONVECTION STEAMERS - WATER LEVEL CONTROL COMPONENTS WATER LEVEL CONTROL COMPONENTS WATER LEVEL CONTROL - LOW LEVEL CUT-OFF AND DIFFERENTIAL OPERATION The steamer is equipped with three water level sensing probes (high, low and low level cut-off) and a water level control. -
Page 25: Water Level Control
C24EA SERIES ELECTRIC CONVECTION STEAMERS - WATER LEVEL CONTROL COMPONENTS the primary side of the transformer. On one side of the WATER LEVEL CONTROL transformer secondary, power is provided to the control by a series path through chassis ground (terminal 10). The other side of the transformer... -
Page 26: Water Level Probes
C24EA SERIES ELECTRIC CONVECTION STEAMERS - WATER LEVEL CONTROL COMPONENTS NOTE: Perform steam generator DELIMING. WATER LEVEL PROBES FILTERED AND NON-FILTERED DUAL WATER SOLENOID VALVES Disconnect the electrical power to the machine and follow lockout / tagout procedures. Disconnect the electrical power to... -
Page 27: Motorized Drain Valve
C24EA SERIES ELECTRIC CONVECTION STEAMERS - WATER LEVEL CONTROL COMPONENTS DUAL WATER VALVES SHOWN Remove two screws securing dual water solenoid valve to rear panel. Fig. 42 Fig. 41 Turn steamer off by using on/off switch on front Reassemble parts removed in reverse order. - Page 28 C24EA SERIES ELECTRIC CONVECTION STEAMERS - WATER LEVEL CONTROL COMPONENTS Locate motorized drain valve found at the front of steam generator. 1st GENERATION MOTORIZED DRAIN VALVE SHOWN IN Fig. 43 Fig. 44 Fig. 43 Return manual drain override knob to the closed position.
- Page 29 C24EA SERIES ELECTRIC CONVECTION STEAMERS - WATER LEVEL CONTROL COMPONENTS Return manual drain override knob to the closed position (Fig. 46) 90° clockwise (slot in horizontal position). Fig. 47 2nd GENERATION • Press and hold spring catch (1, Fig. 48) then life motorized control assembly (2, Fig.
- Page 30 C24EA SERIES ELECTRIC CONVECTION STEAMERS - WATER LEVEL CONTROL COMPONENTS Fig. 49 Remove pipe tee and nipple plumbing assembly from drain valve. Reassemble parts removed in reverse order. Apply pipe thread sealant to pipe threads before installation. NOTE: If motorized drain valve is in the open position...
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Page 31: Switches, Solenoids, Relays And Buzzer
C24EA SERIES ELECTRIC CONVECTION STEAMERS - SWITCHES, SOLENOIDS, RELAYS AND BUZZER SWITCHES, SOLENOIDS, RELAYS AND BUZZER POWER AND DELIME SWITCHES Disconnect the electrical power to the machine and follow lockout / tagout procedures. Remove COOKING COMPARTMENT RIGHT SIDE PANEL as outlined under Covers and Panels. -
Page 32: Pressure Switch (1Pas)
C24EA SERIES ELECTRIC CONVECTION STEAMERS - SWITCHES, SOLENOIDS, RELAYS AND BUZZER Set meter to measure resistance and place meter leads across the COMMON and NORM OPEN terminals of switch. With door closed, meter should indicate a closed circuit. Open door. Meter should indicate an open circuit as door is opened. - Page 33 C24EA SERIES ELECTRIC CONVECTION STEAMERS - SWITCHES, SOLENOIDS, RELAYS AND BUZZER NOTE: Pressure can be checked with the small air pocket that exists between the delime port cap and water level probe housing in the delime hose. Make certain that no leaks exist in the steam generator connections or pressure gauge fittings.
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Page 34: Pressure Switch (2Pas)
C24EA SERIES ELECTRIC CONVECTION STEAMERS - SWITCHES, SOLENOIDS, RELAYS AND BUZZER Allow steamer to cycle three times for steam production to stabilize. NOTE: Operating pressures will vary slightly between machine being serviced and gauge used. While observing pressure gauge, listen for contactor to open, indicating that pressure switch contacts have opened. -
Page 35: Vacuum Relief Solenoid
C24EA SERIES ELECTRIC CONVECTION STEAMERS - SWITCHES, SOLENOIDS, RELAYS AND BUZZER Fig. 60 Disconnect electrical wiring to solenoid coil. Fig. 59 Disconnect compression fitting from the outlet Disconnect electrical wiring to pressure switch. side of solenoid valve. Remove pressure switch from piping. -
Page 36: Time Delay Relay
C24EA SERIES ELECTRIC CONVECTION STEAMERS - SWITCHES, SOLENOIDS, RELAYS AND BUZZER Fig. 62 Fig. 61 Reassemble parts removed in reverse order. Disconnect electrical wiring to solenoid coil. Check steamer for proper operation. Disconnect steam hose from the outlet side of NOTE: When installing, ensure time delay knob is solenoid. - Page 37 C24EA SERIES ELECTRIC CONVECTION STEAMERS - SWITCHES, SOLENOIDS, RELAYS AND BUZZER Disconnect electrical wiring from the buzzer and door switch. Remove door striker. Fig. 64 Remove remaining hardware securing door switch mounting bracket to front panel then remove door switch mounting bracket, door switch and buzzer as an assembly.
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Page 38: Control Board
C24EA SERIES ELECTRIC CONVECTION STEAMERS - CONTROL BOARD CONTROL BOARD Reassemble parts removed in reverse order. CONTROL BOARD REMOVAL AND Check steamer for proper operation. REPLACEMENT NOTE: When installing, ensure the board jumpers are set to factory defaults as follows: Delime time delay relay jumper set to 60 minutes;... - Page 39 C24EA SERIES ELECTRIC CONVECTION STEAMERS - CONTROL BOARD LED LEGEND LED ON = Condition satisfied or component energized. LED OFF = Condition not satisfied or component de-energized. COMPONENT COMPONENT Relay (K1) energized. Delime relay (K4). Upper cavity relay (K8). Delime relay (K2).
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Page 40: Steam Generator Operational Status (Led Indicators)
C24EA SERIES ELECTRIC CONVECTION STEAMERS - CONTROL BOARD STEAM GENERATOR OPERATIONAL STATUS (LED INDICATORS) Use the tables below to determine the operational status of a component or condition by utilizing the LED indicators on the board. The sections are divided according to their operational step. - Page 41 C24EA SERIES ELECTRIC CONVECTION STEAMERS - CONTROL BOARD STATUS COMPONENT DESCRIPTION Same as starting conditions Water level is satisfied (LLCO probe). Limiting contactor (1CON) energized. Limiting contactor (1CON) will remain energized with the water level satisfied. Regulating contactor 1 (2CON) Pressure switch (1PAS) closed;...
- Page 42 C24EA SERIES ELECTRIC CONVECTION STEAMERS - CONTROL BOARD STATUS COMPONENT DESCRIPTION ON OFF Power removed from heating elements. Regulating contactor 1 (2CON) Contactor will cycle on/off as necessary to maintain pressure deenergized. in steam generator with call for heat from pressure switch (1PAS).
- Page 43 C24EA SERIES ELECTRIC CONVECTION STEAMERS - CONTROL BOARD Timers Reach Zero (Upper and lower Compartments) • Buzzer sounds until timer turned to off, constant or additional time is set. • Cook lights (2LT) (red) turn off and cooking compartment steam solenoids de-energize.
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Page 44: Deliming Cycle Status (Led Indicators)
C24EA SERIES ELECTRIC CONVECTION STEAMERS - CONTROL BOARD Drain Cycle Ends • LED's 1, 9, 12 and 13 remain lit. • All other LED's are off. • Steamer is off. DELIMING CYCLE STATUS (LED INDICATORS) • Conditions same as listed under STARTING CONDITIONS. - Page 45 C24EA SERIES ELECTRIC CONVECTION STEAMERS - CONTROL BOARD STATUS COMPONENT DESCRIPTION K2-6/4 contacts close (powers delime light) K2-5/1 contacts open. Power to cooking compartment controls is locked out (no power to timers or lights). Power to delime 1 (TDR) input trigger and delime 1 (TDR) is energized. 120VAC...
- Page 46 C24EA SERIES ELECTRIC CONVECTION STEAMERS - CONTROL BOARD STATUS COMPONENT DESCRIPTION Same as Delime Switch On All other LED's are off. Water Level at Low level (L) Probe • Water level control no changes. • Control Board no changes. Water Level at High Level (H) Probe •...
- Page 47 C24EA SERIES ELECTRIC CONVECTION STEAMERS - CONTROL BOARD STATUS COMPONENT DESCRIPTION Power removed from heating elements. Regulating contactor 2 (3CON) deenergized. Contactor will remain off for the rest of delime cycle. Pressure switch opens (1PAS). With Delime Relay (K2) Relay (K1) energized.
- Page 48 C24EA SERIES ELECTRIC CONVECTION STEAMERS - CONTROL BOARD STATUS COMPONENT DESCRIPTION Pressure switch (2PAS) contacts close. Solenoid Vacuum relief solenoid (5SOL) valve opens to provide air vent and allow steam energized. generator to drain. Same as Delime Switch On K4-5/3 contacts open. Power light off.
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Page 49: Heat Exchanger
C24EA SERIES ELECTRIC CONVECTION STEAMERS - HEAT EXCHANGER HEAT EXCHANGER Rotate heat exchanger and remove it from HEAT EXCHANGER REMOVAL steamer. AND REPLACEMENT Disconnect the electrical power to the machine and follow lockout / tagout procedures. Turn off machine to drain steam generator. Allow steamer to complete drain cycle. - Page 50 C24EA SERIES ELECTRIC CONVECTION STEAMERS - HEAT EXCHANGER the manual override knob on top of the valve to disengage the gear set. Rotate knob CW to open the valve (slot in knob vertical); or CCW to close the valve (slot in knob is horizontal).
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Page 51: Steam Generator
C24EA SERIES ELECTRIC CONVECTION STEAMERS - STEAM GENERATOR STEAM GENERATOR STEAM GENERATOR REMOVAL AND REPLACEMENT Turn off machine to drain steam generator. Allow steamer to complete drain cycle. Turn off water supply. Remove FRONTBASE PANEL, and LEFT and RIGHT SIDE BASE PANELS from generator... -
Page 52: Deliming
C24EA SERIES ELECTRIC CONVECTION STEAMERS - STEAM GENERATOR 16. Remove the following parts from steam generator for reuse: Drip shield (above elements). Remaining pipe nipples, tees and elbows. 17. If removed or replacing steam generator, install insulation around the generator. Secure into position using high temperature aluminum foil tape. -
Page 53: Electrical Operation
C24EA SERIES ELECTRIC CONVECTION STEAMERS - ELECTRICAL OPERATION ELECTRICAL OPERATION COMPONENT FUNCTION STEAM GENERATOR CONTROLS Water Level Control Controls water level by monitoring conditions of the three water level probes H, L and (WLC) .... - Page 54 C24EA SERIES ELECTRIC CONVECTION STEAMERS - ELECTRICAL OPERATION Switch (2PAS), Vacuum and fill pressure sensing for the steam generator. When generator is draining, Pressure ....provides power to vacuum relief solenoid to prevent a vacuum from developing in the steamer.
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Page 55: Component Function Cooking Compartment Controls
C24EA SERIES ELECTRIC CONVECTION STEAMERS - ELECTRICAL OPERATION COMPONENT FUNCTION COOKING COMPARTMENT CONTROLS COOKING COMPARTMENT CONTROLS The upper section of the steamer consists of two separate cooking compartments. Each compartment functions independently with its own set of controls. Power is supplied to the compartment controls after steam generator reaches operating pressure. -
Page 56: Component Location
C24EA SERIES ELECTRIC CONVECTION STEAMERS - ELECTRICAL OPERATION COMPONENT LOCATION Fig. 77 F35453 Rev. A (0119) Page 56 of 75... - Page 57 C24EA SERIES ELECTRIC CONVECTION STEAMERS - ELECTRICAL OPERATION Fig. 78 Page 57 of 75 F35453 Rev. A (0119)
- Page 58 C24EA SERIES ELECTRIC CONVECTION STEAMERS - ELECTRICAL OPERATION Water Level Control F35453 Rev. A (0119) Page 58 of 75...
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Page 59: Smart Cycle Power Management
C24EA SERIES ELECTRIC CONVECTION STEAMERS - ELECTRICAL OPERATION Cooking Compartment Controls SMART CYCLE POWER MANAGEMENT Reduces energy use by not powering all the heating elements in steam generator and heat exchanger when the steamer is at operating pressure and one cooking compartment in use. When both cooking compartments are in use, all of the heating elements in the steam generator and heat exchanger are powered. -
Page 60: Sequence Of Operation
C24EA SERIES ELECTRIC CONVECTION STEAMERS - ELECTRICAL OPERATION Heating Elements Steamer Description Steam Heat Generator Exchanger Two cooking compartments in use, all steam generator heating As listed As listed elements and both heat exchanger elements are powered thru limiting 6 or 10 pan... - Page 61 C24EA SERIES ELECTRIC CONVECTION STEAMERS - ELECTRICAL OPERATION LLCO LED lit. Low level coil relay (LLCO) on K1-5/3 N.O. contacts close. X1 WLC energized. potential thru K1-5/3 contacts and K2-5/1 N.C. contacts to cooking LLCO N.C. contacts open. Fast fill/flush compartment controls.
- Page 62 C24EA SERIES ELECTRIC CONVECTION STEAMERS - ELECTRICAL OPERATION Heat exchanger relay (K12) HL LED off. High level (HL) coil de- energized thru K8-6/4 and K9-3/5 energized by ILR-2 contacts opening. N.O. contacts. Heat exchanger WLC (HL) contacts open. Slow fill element (2) begins heating.
- Page 63 C24EA SERIES ELECTRIC CONVECTION STEAMERS - ELECTRICAL OPERATION Buzzer remains energized until: Timer Internal latching relay coil (ILR) on WLC de- turned to OFF; New time or energized. ILR-1 contacts return to N.O. CONSTANT steam selected; Or power condition. switch turned off.
- Page 64 C24EA SERIES ELECTRIC CONVECTION STEAMERS - ELECTRICAL OPERATION Press delime switch (2S) to DELIME position Power to heating circuit, power (momentary) and hold until delime (4LT) (red) light (3LT) (amber) and WLC thru and power (3LT) (amber) lights are lit (approx. 2 K4-5/3 closed contacts (N.O.).
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Page 65: Schematics And Wiring Diagrams
C24EA SERIES ELECTRIC CONVECTION STEAMERS - ELECTRICAL OPERATION LED 10 off. Drain relay (K3) de-energized. LED's 1, 9, 12 and 13 lit. Draining complete and K3 contacts return to normal conditions. steamer is off. Power removed from WLC. Cancel Deliming Power removed from drain transformer (2T). - Page 66 C24EA SERIES ELECTRIC CONVECTION STEAMERS - ELECTRICAL OPERATION Fig. 81 F35453 Rev. A (0119) Page 66 of 75...
- Page 67 C24EA SERIES ELECTRIC CONVECTION STEAMERS - ELECTRICAL OPERATION Fig. 82 Page 67 of 75 F35453 Rev. A (0119)
- Page 68 C24EA SERIES ELECTRIC CONVECTION STEAMERS - ELECTRICAL OPERATION Fig. 83 F35453 Rev. A (0119) Page 68 of 75...
- Page 69 C24EA SERIES ELECTRIC CONVECTION STEAMERS - ELECTRICAL OPERATION Fig. 84 Page 69 of 75 F35453 Rev. A (0119)
- Page 70 C24EA SERIES ELECTRIC CONVECTION STEAMERS - ELECTRICAL OPERATION Fig. 85 F35453 Rev. A (0119) Page 70 of 75...
- Page 71 C24EA SERIES ELECTRIC CONVECTION STEAMERS - ELECTRICAL OPERATION Fig. 86 Page 71 of 75 F35453 Rev. A (0119)
- Page 72 C24EA SERIES ELECTRIC CONVECTION STEAMERS - ELECTRICAL OPERATION Fig. 87 F35453 Rev. A (0119) Page 72 of 75...
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Page 73: Troubleshooting
C24EA SERIES ELECTRIC CONVECTION STEAMERS - TROUBLESHOOTING TROUBLESHOOTING TROUBLESHOOTING Before performing any of the troubleshooting checks listed below, remove the front generator base panel and check the LED’S on the control board for the status of the condition or component in the operating sequence. By utilizing the troubleshooting LED’S, the Service Technician can easily determine if a component is functioning properly or... -
Page 74: Vulcan
C24EA SERIES ELECTRIC CONVECTION STEAMERS - TROUBLESHOOTING SYMPTOM POSSIBLE CAUSES Check incoming voltage. Steam generator not filled. See Symptom - Steam generator not filling or is slow to fill. Power switch (1S) malfunction. Steam generator high limit (2TAS) open. Heat exchanger high limit (3TAS) open. - Page 75 C24EA SERIES ELECTRIC CONVECTION STEAMERS - TROUBLESHOOTING SYMPTOM POSSIBLE CAUSES Compartment steam solenoid stuck open. Steam generated inside cooking compartment when timer is off. Timer malfunction. Door open or door switch malfunction. Timer motor does not run Timer malfunction. Door latch assembly.