Vulcan-Hart VL3GSS Wartungshandbuch

A product of VULCAN-HART LOUISVILLE, KY 40201-0696Form 24650 (May 1999)- NOTICE -This Manual is prepared for the use of trained Vulcan ServiceTechnici

VL SERIES STEAMERS - GENERALPage 10 of 884. PreventA. Set the timer to the desired cooking time.The timer must be set past five minutes tochange the

VL SERIES STEAMERS - GENERALPage 11 of 88COMPONENT FUNCTIONCABINET BASE BOILER CONTROLSWater LevelGauge Assembly ...Permits a visual conf

VL SERIES STEAMERS - GENERALPage 12 of 88Handhole Cover Assembly ... When unbolted and removed, allows internal examination and cleaningof boiler

VL SERIES STEAMERS - GENERALPage 13 of 88COOKING COMPARTMENT CONTROLSThe top half of the steamer consists of two to three separate cooking compartmen

VL SERIES STEAMERS - REMOVAL AND REPLACEMENT OF PARTSPage 14 of 88REMOVAL AND REPLACEMENT OF PARTSCOMPONENT LOCATIONS

VL SERIES STEAMERS - REMOVAL AND REPLACEMENT OF PARTSPage 15 of 88

VL SERIES STEAMERS - REMOVAL AND REPLACEMENT OF PARTSPage 16 of 88COOKING COMPARTMENT CONTROLS - COMPONENT CONFIGURATIONS1. Prevent (shown above

VL SERIES STEAMERS - REMOVAL AND REPLACEMENT OF PARTSPage 17 of 88WATER LEVEL CONTROLS -LOW LEVEL CUT OFF ANDDIFFERENTIALWARNING: DISCONNECT THE ELEC

VL SERIES STEAMERS - REMOVAL AND REPLACEMENT OF PARTSPage 18 of 88BOILER ASSEMBLYWARNING: DISCONNECT THE ELECTRICALPOWER TO THE MACHINE AT THE MAINCI

VL SERIES STEAMERS - REMOVAL AND REPLACEMENT OF PARTSPage 19 of 88BOILER FILL AND COLD WATERCONDENSER SOLENOID VALVESWARNING: DISCONNECT THE ELECTRIC

VL SERIES STEAMERSPage 2 of 88TABLE OF CONTENTSGENERAL... 4Introduction ...

VL SERIES STEAMERS - REMOVAL AND REPLACEMENT OF PARTSPage 20 of 88COMPARTMENT GASKET ANDDOOR SCREW NUT, DOOR ANDBUSHINGSGasket1. Open the compartmen

VL SERIES STEAMERS - REMOVAL AND REPLACEMENT OF PARTSPage 21 of 88HEATER CONTACTORSWARNING: DISCONNECT THE ELECTRICALPOWER TO THE MACHINE AT THE MAIN

VL SERIES STEAMER - SERVICE PROCEDURES AND ADJUSTMENTSPage 22 of 88SERVICE PROCEDURES AND ADJUSTMENTSWARNING: CERTAIN PROCEDURES IN THIS SECTION REQU

VL SERIES STEAMER - SERVICE PROCEDURES AND ADJUSTMENTSPage 23 of 8810. Cooking compartment timers are to be in theOFF position. Turn the boiler switc

VL SERIES STEAMER - SERVICE PROCEDURES AND ADJUSTMENTSPage 24 of 88WATER LEVEL CONTROL(S)TESTLoose electrical connections may prevent the heatfrom co

VL SERIES STEAMER - SERVICE PROCEDURES AND ADJUSTMENTSPage 25 of 88B. With the boiler empty, check the voltageacross terminals 9 & 10. Meter shou

VL SERIES STEAMER - SERVICE PROCEDURES AND ADJUSTMENTSPage 26 of 88Two slotted and square headed adjustment screwsextend through the top of the switc

VL SERIES STEAMER - SERVICE PROCEDURES AND ADJUSTMENTSPage 27 of 88HIGH LIMIT THERMOSTATWARNING: DISCONNECT THE ELECTRICALPOWER TO THE MACHINE AT THE

VL SERIES STEAMER - SERVICE PROCEDURES AND ADJUSTMENTSPage 28 of 88If the blowdown operation appears to functionsluggishly or not at all, considerabl

VL SERIES STEAMER - SERVICE PROCEDURES AND ADJUSTMENTSPage 29 of 88C. Gas burner ports clogged or obstructionaround air shutter. After a period of ti

VL SERIES STEAMERSPage 3 of 88Direct Steam Models ... 34Regenerated Steam (Older Models)

VL SERIES STEAMER - SERVICE PROCEDURES AND ADJUSTMENTSPage 30 of 88NOTE: If adjustments in gas or pilot pressuresettings are made, always replace the

VL SERIES STEAMER - SERVICE PROCEDURES AND ADJUSTMENTSPage 31 of 88D. With the thermocouple disconnected,connect the meter leads to the tube andthrea

VL SERIES STEAMER - SERVICE PROCEDURES AND ADJUSTMENTSPage 32 of 88Once the pilot flame is confirmed, a 24 volt outputfrom terminal one will be sent,

VL SERIES STEAMER - SERVICE PROCEDURES AND ADJUSTMENTSPage 33 of 882) If a spark from ignitor is present butdoes not ignite gas before the ignitionco

VL SERIES STEAMER - SERVICE PROCEDURES AND ADJUSTMENTSPage 34 of 887. Once the correct pressure has been set, turnthe power switch OFF, replace the a

VL SERIES STEAMER - SERVICE PROCEDURES AND ADJUSTMENTSPage 35 of 88VOLTAGETOTALKWNUMBEROF ELEMENTSKWPERELEMENTAMPERAGEPER LINERESISTANCEPERELEMENT(OH

VL SERIES STEAMER - SERVICE PROCEDURES AND ADJUSTMENTSPage 36 of 88THERMAL SWITCH - PREVENTAND AUTOMATIC MODELSThe load compensator is a thermal swit

VL SERIES STEAMER - SERVICE PROCEDURES AND ADJUSTMENTSPage 37 of 88STEAM GATE VALVE(S)On all models, each cooking compartment has itsown mechanical s

VL SERIES STEAMER - ELECTRICAL OPERATIONPage 38 of 88ELECTRICAL OPERATIONWATER LEVEL CONTROLSSolid State - Low level Cut-Off & DifferentialContro

VL SERIES STEAMER - ELECTRICAL OPERATIONPage 39 of 88Solid State - Auxiliary Low Level Cut-OffThis control serves as a safety backup to the mainwater

VL SERIES STEAMERS - GENERALPage 4 of 88GENERALINTRODUCTIONSteam CookingLarge capacity pressure steamers offer an efficientway to produce a wide vari

VL SERIES STEAMER - ELECTRICAL OPERATIONPage 40 of 88Electro Mechanical - Low level Cut-Off &Differential ControlThe steamer is equipped with thr

VL SERIES STEAMER - ELECTRICAL OPERATIONPage 41 of 88Electro Mechanical - Auxiliary Low Level Cut-OffThis control serves as a safety backup to the ma

VL SERIES STEAMER - ELECTRICAL OPERATIONPage 42 of 88SEQUENCE OF OPERATIONGAS MODELSThis sequence of operation is written for steamerswith electronic

VL SERIES STEAMER - ELECTRICAL OPERATIONPage 43 of 883. Water level reaches LLCO (low water level cut-off) probe for the water level control and to t

VL SERIES STEAMER - ELECTRICAL OPERATIONPage 44 of 88Cook Cycle1. A Cook cycle should not be started, until theinitial fill and preheat is completed,

VL SERIES STEAMER - ELECTRICAL OPERATIONPage 45 of 881) HL-3 opens.2) Fill solenoid de-energized and waterstops flowing into tank.3) HL LED goes out.

VL SERIES STEAMER - ELECTRICAL OPERATIONPage 46 of 88NOTE: Power the internal contactors onthe low level cut-off and auxiliary low levelcut-off will

VL SERIES STEAMER - ELECTRICAL OPERATIONPage 47 of 88F. Once compartment temperature reachesapproximately 180°F thermal switchcloses and supplies pow

VL SERIES STEAMER - ELECTRICAL OPERATIONPage 48 of 88PAGE PURPOSELY LEFT BLANK

VL SERIES STEAMER - ELECTRICAL OPERATIONPage 49 of 88SCHEMATICS, GAS STEAMERS, BOILER CONTROLS VL2G AND VL3G - PREVENT, AUTOMATIC, STANDARD AND MANUA

VL SERIES STEAMERS - GENERALPage 5 of 88This causes several problems:1. Reduce the heat transfer efficiency of theheating system.2. Cause premature f

VL SERIES STEAMER - ELECTRICAL OPERATIONPage 50 of 88Electronic Ignition, Standard Controls

VL SERIES STEAMER - ELECTRICAL OPERATIONPage 51 of 88Manual Ignition, CSD-1 Code Controls

VL SERIES STEAMER - ELECTRICAL OPERATIONPage 52 of 88Electronic Ignition, CSD-1 Code Controls

VL SERIES STEAMER - ELECTRICAL OPERATIONPage 53 of 88

VL SERIES STEAMER - ELECTRICAL OPERATIONPage 54 of 88WIRING DIAGRAMS, GAS STEAMERS, BOILER CONTROLS VL2G AND VL3G - PREVENT, AUTOMATIC, STANDARD AND

VL SERIES STEAMER - ELECTRICAL OPERATIONPage 55 of 88

VL SERIES STEAMER - ELECTRICAL OPERATIONPage 56 of 88Electronic Ignition, Standard Controls

VL SERIES STEAMER - ELECTRICAL OPERATIONPage 57 of 88

VL SERIES STEAMER - ELECTRICAL OPERATIONPage 58 of 88 Manual Ignition, CSD-1 Code Controls

VL SERIES STEAMER - ELECTRICAL OPERATIONPage 59 of 88

VL SERIES STEAMERS - GENERALPage 6 of 88Gas SteamersINPUT(BTU/HR)MANIFOLDPRESSURE(INCHES W.C.) LINE PRESSURE(INCHES W.C.) LOAD (WATTS)AMPS(MAX)NA

VL SERIES STEAMER - ELECTRICAL OPERATIONPage 60 of 88Electronic Ignition, CSD-1 Code Controls

VL SERIES STEAMER - ELECTRICAL OPERATIONPage 61 of 88

VL SERIES STEAMER - ELECTRICAL OPERATIONPage 62 of 88SCHEMATICS, ELECTRIC STEAMERS, BOILER CONTROLS VL2E AND VL3E - PREVENT, AUTOMATIC, STANDARD AND

VL SERIES STEAMER - ELECTRICAL OPERATIONPage 63 of 88Auto Blowdown, Cal-Code Controls

VL SERIES STEAMER - ELECTRICAL OPERATIONPage 64 of 88WIRING DIAGRAMS, ELECTRIC STEAMERS, BOILER CONTROLSVL2E AND VL3E - PREVENT, AUTOMATIC, STANDARD

VL SERIES STEAMER - ELECTRICAL OPERATIONPage 65 of 88

VL SERIES STEAMER - ELECTRICAL OPERATIONPage 66 of 88 Auto Blowdown, Standard Controls (contactors - 2 std.)

VL SERIES STEAMER - ELECTRICAL OPERATIONPage 67 of 88

VL SERIES STEAMER - ELECTRICAL OPERATIONPage 68 of 88 Manual Blowdown, Cal-Code Controls (contactors - 1 std. 1 aux.)

VL SERIES STEAMER - ELECTRICAL OPERATIONPage 69 of 88

VL SERIES STEAMERS - GENERALPage 7 of 88STEAMER OPERATIONEnsure that all utility connections to the steamerhave been made and are turned on.On models

VL SERIES STEAMER - ELECTRICAL OPERATIONPage 70 of 88 Auto Blowdown, Cal-Code Controls ( contactors - 1 std. 1 aux.)

VL SERIES STEAMER - ELECTRICAL OPERATIONPage 71 of 88

VL SERIES STEAMER - ELECTRICAL OPERATIONPage 72 of 88 Auto Blowdown, Cal-Code Controls (contactors - 2 std. 2 aux.)

VL SERIES STEAMER - ELECTRICAL OPERATIONPage 73 of 88

VL SERIES STEAMER - ELECTRICAL OPERATIONPage 74 of 88 Manual Blowdown, Cal-Code Controls (contactors - 2 std. 2 aux.)

VL SERIES STEAMER - ELECTRICAL OPERATIONPage 75 of 88

VL SERIES STEAMER - ELECTRICAL OPERATIONPage 76 of 88WIRING DIAGRAMS, ELECTRIC HEATER CIRCUITSVL2E AND VL3E - PREVENT, AUTOMATIC, STANDARD AND MANUAL

VL SERIES STEAMER - ELECTRICAL OPERATIONPage 77 of 88SCHEMATIC AND WIRING DIAGRAMS, DIRECT STEAMERS, CABINET BASEVL2D AND VL3D - PREVENT, AUTOMATIC,

VL SERIES STEAMER - ELECTRICAL OPERATIONPage 78 of 88WIRING DIAGRAMS, REGENERATED STEAMERS, BOILER CONTROLS VL2R AND VL3R - PREVENT, AUTOMATIC, STAND

VL SERIES STEAMER - ELECTRICAL OPERATIONPage 79 of 88Auto Blowdown (Older Models)

VL SERIES STEAMERS - GENERALPage 8 of 88Observe water level gauge glass to verify that wateris in boiler and that the level in the gauge glass isabou

VL SERIES STEAMER - ELECTRICAL OPERATIONPage 80 of 88SCHEMATIC AND WIRING DIAGRAMS - COMPARTMENT CONTROLSPrevent

VL SERIES STEAMER - ELECTRICAL OPERATIONPage 81 of 88Automatic

VL SERIES STEAMER - ELECTRICAL OPERATIONPage 82 of 88Standard

VL SERIES STEAMER - ELECTRICAL OPERATIONPage 83 of 88ManualNO ELECTRICAL COMPONENTS ARE USED WITH THE MANUAL COMPARTMENT CONTROLS OPTION. THE CONTROL

VL SERIES STEAMER - TROUBLESHOOTING Page 84 of 88TROUBLESHOOTINGALL MODELSWARNING: CERTAIN PROCEDURES IN THIS SECTION REQUIRE ELECTRICAL TESTS ORMEAS

VL SERIES STEAMER - TROUBLESHOOTING SYMPTOM POSSIBLE CAUSESPage 85 of 88Boiler base will not heat or buildpressure.1. Check incoming voltage.2. Boile

VL SERIES STEAMER - TROUBLESHOOTING SYMPTOM POSSIBLE CAUSESPage 86 of 88Cooking timer motor does not run. 1. Timer not getting power.2. Timer motor i

VL SERIES STEAMER - TROUBLESHOOTING Page 87 of 88GAS MODELS ONLYSYMPTOM POSSIBLE CAUSESBurner won’t light. 1. Gas not on.2. Ignition control module r

VL SERIES STEAMER - TROUBLESHOOTING SYMPTOM POSSIBLE CAUSESForm 24650 (May 1999) Printed in U.S.A.Pilot not lit or goes out. 1. Gas not on.2. Pilot go

VL SERIES STEAMERS - GENERALPage 9 of 882. StandardA. Set the timer to the desired cooking time.The timer must be set past five minutes tochange the