Vulcan-hart C24EA3 480V BASIC User Manual

A product of VULCAN-HART LOUISVILLE, KY 40201-0696F25213 (May 2006)- NOTICE -This Manual is prepared for the use of trained Vulcan ServiceTechnicians

MODEL C24EA - DOORF25213 (May 2006) Page 10 of 52LATCH ASSEMBLYRemoval and Disassembly1. Separate outer door housing assembly frominner door panel as

MODEL C24EA - DOORF25213 (May 2006)Page 11 of 522. Install outer door housing assembly as outlinedin DOOR HANDLE.3. Check opening and closing operati

MODEL C24EA - DRAIN BOXF25213 (May 2006) Page 12 of 52CLOSE-UP FROM RIGHT SIDE OF STEAMERAdjustment1. Reinstall striker with slot pointing upward and

MODEL C24EA - COOKING COMPARTMENTF25213 (May 2006)Page 13 of 52PROFESSIONAL MODEL SHOWNCOOKING COMPARTMENTWARNING: DISCONNECT THE ELECTRICAL POWER TO

MODEL C24EA - COOKING COMPARTMENTF25213 (May 2006) Page 14 of 528. Remove the screws securing front panel tolower louvered panel.9. Remove the nuts s

MODEL C24EA - THERMOSTATSF25213 (May 2006)Page 15 of 52THERMOSTATSHOLD THERMOSTATWARNING: DISCONNECT THEELECTRICAL POWER TO THEMACHINE AND FOLLOW LOC

MODEL C24EA - THERMOSTATSF25213 (May 2006) Page 16 of 52Installation1. Insert capillary bulb through large compressionnut.A. Route capillary bulb thr

MODEL C24EA - TIMERF25213 (May 2006)Page 17 of 52TIMERWARNING: DISCONNECT THE ELECTRICAL POWER TO THE MACHINE AND FOLLOWLOCKOUT / TAGOUT PROCEDURES.R

MODEL C24EA - HEATING ELEMENTF25213 (May 2006) Page 18 of 52BASIC MODEL SHOWNHEATING ELEMENTWARNING: DISCONNECT THE ELECTRICAL POWER TO THE MACHINE A

MODEL C24EA - HEATING ELEMENTF25213 (May 2006)Page 19 of 529. Reassemble parts removed in reverse order of removal. Tighten heating element screws ev

MODEL C24EA - GENERALF25213 (May 2006) Page 2 of 52TABLE OF CONTENTSGENERAL ...

MODEL C24EA - SUPER HEATERF25213 (May 2006) Page 20 of 52SUPER HEATERWARNING: DISCONNECT THE ELECTRICAL POWER TO THE MACHINE AND FOLLOWLOCKOUT / TAGO

MODEL C24EA - SUPER HEATERF25213 (May 2006)Page 21 of 52DIAGNOSTIC CHECKSWARNING: CERTAIN PROCEDURES IN THIS SECTION REQUIRE ELECTRICAL TEST OR MEASU

MODEL C24EA - WATER LEVEL CONTROL COMPONENTSF25213 (May 2006) Page 22 of 52WATER LEVEL CONTROL COMPONENTSWATER LEVEL CONTROLSLow Level Cut-Off &

MODEL C24EA - WATER LEVEL CONTROL COMPONENTSF25213 (May 2006)Page 23 of 52WATER LEVEL CONTROLBOARDWARNING: DISCONNECT THEELECTRICAL POWER TO THEMACHI

MODEL C24EA - WATER LEVEL CONTROL COMPONENTSF25213 (May 2006) Page 24 of 52NOTE: Perform a steam generator tank cleaning asoutlined under STEAM GENER

MODEL C24EA - WATER LEVEL CONTROL COMPONENTSF25213 (May 2006)Page 25 of 52VIEW FROM LEFT SIDE OF STEAMER6. Reassemble parts removed in reverse order

MODEL C24EA - WATER LEVEL CONTROL COMPONENTSF25213 (May 2006) Page 26 of 52NOTE: Apply pipe thread sealant to plumbingthreads before assembly.7. Reas

MODEL C24EA - WATER LEVEL CONTROL COMPONENTSF25213 (May 2006)Page 27 of 525. Disconnect the drain and drain flush hoses fromthe Tee located below the

MODEL C24EA - SWITCHES, BUZZER AND SOLENOIDSF25213 (May 2006) Page 28 of 52SWITCHES, BUZZER AND SOLENOIDSON/OFF SWITCHWARNING: DISCONNECT THEELECTRIC

MODEL C24EA - SWITCHES, BUZZER AND SOLENOIDSF25213 (May 2006)Page 29 of 523. Push handle fully in and keep in position.4. Position plunger of on/off

MODEL C24EA - GENERALF25213 (May 2006)Page 3 of 52GENERALINTRODUCTIONThis manual is applicable to the models and ML numbers listed on the cover page

MODEL C24EA - SWITCHES, BUZZER AND SOLENOIDSF25213 (May 2006) Page 30 of 52A. Close door.B. Push switch up against switch linkage asfar as possible.C

MODEL C24EA - SWITCHES, BUZZER AND SOLENOIDSF25213 (May 2006)Page 31 of 526. Perform pressure switch Check.CheckNOTE: Pressure can be checked with th

MODEL C24EA - SWITCHES, BUZZER AND SOLENOIDSF25213 (May 2006) Page 32 of 52C. Repeat clamping of steam outlet hose atotal of three times to find the

MODEL C24EA - SWITCHES, BUZZER AND SOLENOIDSF25213 (May 2006)Page 33 of 52A. Install valve with the inlet (ON) side ofvalve connected to the back pan

MODEL C24EA - STEAM GENERATOR TANKF25213 (May 2006) Page 34 of 52STEAM GENERATOR TANKWARNING: DISCONNECT THE ELECTRICAL POWER TO THE MACHINE AND FOLL

MODEL C24EA - STEAM GENERATOR TANKF25213 (May 2006)Page 35 of 5210. Remove remaining steam outlet elbow plumbingfrom steam generator tank.11. Remove

MODEL C24EA - ELECTRICAL OPERATIONF25213 (May 2006) Page 36 of 52ELECTRICAL OPERATIONCOMPONENT FUNCTIONWater Level Control (WLC) Board ... Cont

MODEL C24EA - ELECTRICAL OPERATIONF25213 (May 2006)Page 37 of 52Solenoid (4SOL), Slow Fill ... Primary fill for Basic machines and secon

MODEL C24EA - ELECTRICAL OPERATIONF25213 (May 2006) Page 38 of 52COMPONENT LOCATIONElectrical Control Panel NOTE: Relay K4 and transformer T2 are pre

MODEL C24EA - ELECTRICAL OPERATIONF25213 (May 2006)Page 39 of 52Water Level Control Board

MODEL C24EA - GENERALF25213 (May 2006) Page 4 of 52SPECIFICATIONS NOTE: All C24EA steamers, with exception of 480V steamers, are shipped pre-wired f

MODEL C24EA - ELECTRICAL OPERATIONF25213 (May 2006) Page 40 of 52Front Panel

MODEL C24EA - ELECTRICAL OPERATIONF25213 (May 2006)Page 41 of 52Steam Generator and Back Panel

MODEL C24EA - ELECTRICAL OPERATIONF25213 (May 2006) Page 42 of 52SEQUENCE OF OPERATIONRefer to the correct wiring diagram for model beingserviced whe

MODEL C24EA - ELECTRICAL OPERATIONF25213 (May 2006)Page 43 of 52B. Time delay relay is energized throughterminals 2 & 3 for set time (90 seconds)

MODEL C24EA - ELECTRICAL OPERATIONF25213 (May 2006) Page 44 of 52A. No action as internal latching relay (ILR-1)contacts are open.8. Water level reac

MODEL C24EA - ELECTRICAL OPERATIONF25213 (May 2006)Page 45 of 52WIRING DIAGRAMSHeating Element Wiring

MODEL C24EA - ELECTRICAL OPERATIONF25213 (May 2006) Page 46 of 52

MODEL C24EA - ELECTRICAL OPERATIONF25213 (May 2006)Page 47 of 52

MODEL C24EA - ELECTRICAL OPERATIONF25213 (May 2006) Page 48 of 52

MODEL C24EA - ELECTRICAL OPERATIONF25213 (May 2006)Page 49 of 52

MODEL C24EA - GENERALF25213 (May 2006)Page 5 of 52Other chemical properties in water supplies can also affect good steam generation and vary from wi

MODEL C24EA - TROUBLESHOOTINGF25213 (May 2006) Page 50 of 52TROUBLESHOOTINGSYMPTOM POSSIBLE CAUSESCompartment leaks water around door. 1. Unit not le

MODEL C24EA - TROUBLESHOOTINGF25213 (May 2006)Page 51 of 52- N O T E S -

MODEL C24EA - CONDENSED SPARE PARTS LISTF25213 (May 2006) Printed in U.S.A.CONDENSED SPARE PARTS LISTC24EAPART NO. DESCRIPTION Basic Professional Qty.

MODEL C24EA - COVERS AND PANELSF25213 (May 2006) Page 6 of 52RIGHT SIDE SHOWNCOVERS AND PANELSWARNING: DISCONNECT THE ELECTRICAL POWER TO THE MACHINE

MODEL C24EA - COVERS AND PANELSF25213 (May 2006)Page 7 of 52SCREW LOCATIONREAR PANELWARNING: DISCONNECT THEELECTRICAL POWER TO THEMACHINE AND FOLLOW

MODEL C24EA - DOORF25213 (May 2006) Page 8 of 52DOORWARNING: DISCONNECT THE ELECTRICAL POWER TO THE MACHINE AND FOLLOWLOCKOUT / TAGOUT PROCEDURES.REM

MODEL C24EA - DOORF25213 (May 2006)Page 9 of 52DOOR HANDLERemoval1. Open door.2. Remove screws from top and bottom of doorassembly.3. Pull outer door