Manuals / Vulcan-Hart / Household Appliance / Boiler

Vulcan-Hart VL3GMS, VL2GMS, VL3GAS, VL2GAS, VL2GSS, VL3GSS, VL3GPS Vl Series Steamer - Troubleshooting

Models: VL2GPS VL3GPS VL3GSS VL2GSS VL2GAS VL3GAS VL2GMS VL3GMS

1 88

Download 88 pages 1.61 Kb

Page 88

Manual background

VL SERIES STEAMER - TROUBLESHOOTING


	SYMPTOM		POSSIBLE CAUSES

	Pilot not lit or goes out.	1.	Gas not on.
		2.	Pilot going out due to drafts, excess steam from drain or
			steamer not level. Improper venting can direct the pilot
			flame away from thermopile or flame sensor.
		3.	Low incoming gas pressure. See “GAS MANIFOLD
			PRESSURE ADJUSTMENT” in “SERVICE
			PROCEDURES”.
		4.	Pilot not adjusted correctly. See “PILOT AND
			THERMOCOUPLE ASSEMBLY (GAS MODELS)” in
			“SERVICE PROCEDURES AND ADJUSTMENTS”.
		5.	Check thermopile millivolts. See “PILOT AND
			THERMOCOUPLE ASSEMBLY (GAS MODELS)” in
			“SERVICE PROCEDURES AND ADJUSTMENTS”.
		6.	Burners ignite too violently. Check gas pressure to the
			steamer. See “GAS MANIFOLD PRESSURE
			ADJUSTMENT” in “SERVICE PROCEDURES”.
		7.	If auto ignition and no sparking - ignition module
			malfunction.
		8.	Wrong pilot assembly used.

	Spark Ignitor not sparking.	1.	Poor ground between pilot bracket and burner.
		2.	Loose, broken or damaged lead wires (including ground)
			from ignition module to ignitor.
		3.	Ignitor boot on ignition cable loose, damaged or missing
			causing excessive ignition voltage leakage.
		4.	Ceramic flame rod insulator on ignitor cracked or damaged
			from extreme heat.
		5.	Incorrect spark gap setting. See “AUTOMATIC IGNITION
			SYSTEMS (GAS MODELS)” in “SERVICE
			PROCEDURES”.
		6.	Ignition module not receiving power. Check to ensure the
			ignition control module reset switch is ON.
		7.	Ignition module malfunction.

Form 24650 (May 1999)

Printed in U.S.A.

Image 88

Vulcan-Hart VL3GMS, VL2GMS, VL3GAS, VL2GAS, VL2GSS, VL3GSS, VL3GPS, VL2GPS service manual Vl Series Steamer - Troubleshooting

Contents

VL BOILER BASE SERIES CONVECTION STEAMERS SERVICE MANUALTABLE OF CONTENTS Schematics, Gas Steamers, Boiler Controls Wiring Diagrams, Gas Steamers, Boiler ControlsSchematics, Electric Steamers, Boiler Controls Wiring Diagrams, Electric Heater CircuitsINTRODUCTION GENERALWATER CONDITIONING SPECIFICATIONS TOOLSStandard SpecialVL SERIES STEAMERS - GENERAL Gas SteamersElectric Steamers Page 6 ofSTEAMER OPERATION Gas Powered Steam BoilerElectrically Powered Steam Boiler Regenerated Steam Powered BoilerDirect Steam Powered Cooker Boiler Blowdown and Steamer Shut off3.Automatic blowdown 4.Manual blowdown2. Standard 3. Automatic4.Prevent COMPONENT FUNCTION CABINET BASE BOILER CONTROLSHandhole Cover Assembly COOKING COMPARTMENT CONTROLS REMOVAL AND REPLACEMENT OF PARTS COMPONENT LOCATIONSPage 15 of Prevent WATER LEVEL GAUGE ASSEMBLY CYCLING AND HIGH LIMIT PRESSURE SWITCHESGAS AND ELECTRIC MODELS Solid StateBOILER ASSEMBLY HIGH LIMIT THERMOSTATPILOT AND THERMOCOUPLE ASSEMBLY GAS MODELS GAS COMBINATION CONTROL VALVEDoor Screw Nut GasketDoor and Bushing HEATER CONTACTORS STEAM COILHEATING ELEMENTS REGENERATED STEAM MODELSSERVICE PROCEDURES AND ADJUSTMENTS BOILERDeliming Only Models with Deliming Port Assembly DescalerWATER LEVEL CONTROLS TEST GAS AND ELECTRIC MODELS CYCLING AND HIGH LIMIT PRESSURE SWITCHESWater Level Probes FILL AND COLD WATER SOLENOID VALVES COMPARTMENT PRESSURE ADJUSTMENTDisassembly BOILER BLOWDOWN DRAIN SOLENOID VALVE BOILER NOT FILLING WITH WATERHIGH LIMIT THERMOSTAT BOILER SLOW TO PRESSURIZE A. Newer ModelsB.Older Models 1.All Models With BoilerINLET WATER STRAINER PILOT AND THERMOCOUPLE ASSEMBLY GAS MODELS3.Electric Models 4.Direct Steam ModelsCheck the thermocouple output voltage as follows “PILOT AND THERMOCOUPLE ASSEMBLY GAS MODELS” inPage 30 of GAS BURNERS AUTOMATIC IGNITION SYSTEMS GAS MODELSAir Shutter Adjustment InspectionTerminals Spark Ignition Control TestGAS MANIFOLD PRESSURE ADJUSTMENT DIRECT STEAM MODELS REGENERATED STEAM OLDER MODELSHEATER CONTACTORS HEATING ELEMENTSNUMBER THERMAL SWITCH - PREVENT AND AUTOMATIC MODELS WATER LEVEL GAUGE ASSEMBLY1.Newer Models 2.Older ModelsSTEAM GATE VALVES ELECTRICAL OPERATION WATER LEVEL CONTROLSSolid State - Auxiliary Low Level Cut-Off VL SERIES STEAMER - ELECTRICAL OPERATION Electro Mechanical - Auxiliary Low Level Cut-Off SEQUENCE OF OPERATION GAS MODELSA.Power to terminal 9 on the water level control A.Power to terminal 6 on water level controlVL SERIES STEAMER - ELECTRICAL OPERATION 4.Water reaches LL low level probeCook Cycle Water Refill After Initial FillBoiler Blowdown/drain ELECTRIC MODELSINITIAL FILL AND PREHEAT COOK CYCLE WATER REFILL AFTER INITIAL FILL BOILER BLOWDOWN/DRAINVL SERIES STEAMER - ELECTRICAL OPERATION PAGE PURPOSELY LEFT BLANKPage 48 of SCHEMATICS, GAS STEAMERS, BOILER CONTROLS Manual Ignition, Standard ControlsElectronic Ignition, Standard Controls VL SERIES STEAMER - ELECTRICAL OPERATIONPage 50 of Manual Ignition, CSD-1Code Controls VL SERIES STEAMER - ELECTRICAL OPERATIONPage 51 of Electronic Ignition, CSD-1Code Controls VL SERIES STEAMER - ELECTRICAL OPERATIONPage 52 of VL SERIES STEAMER - ELECTRICAL OPERATION Page 53 ofVL SERIES STEAMER - ELECTRICAL OPERATION Page 54 ofVL SERIES STEAMER - ELECTRICAL OPERATION Page 55 ofElectronic Ignition, Standard Controls VL SERIES STEAMER - ELECTRICAL OPERATIONPage 56 of VL SERIES STEAMER - ELECTRICAL OPERATION Page 57 ofManual Ignition, CSD-1Code Controls VL SERIES STEAMER - ELECTRICAL OPERATIONPage 58 of VL SERIES STEAMER - ELECTRICAL OPERATION Page 59 ofElectronic Ignition, CSD-1Code Controls VL SERIES STEAMER - ELECTRICAL OPERATIONPage 60 of VL SERIES STEAMER - ELECTRICAL OPERATION Page 61 ofSCHEMATICS, ELECTRIC STEAMERS, BOILER CONTROLS Auto Blowdown, Standard ControlsAuto Blowdown, Cal-CodeControls VL SERIES STEAMER - ELECTRICAL OPERATIONPage 63 of VL SERIES STEAMER - ELECTRICAL OPERATION Page 64 ofVL SERIES STEAMER - ELECTRICAL OPERATION Page 65 ofVL SERIES STEAMER - ELECTRICAL OPERATION Page 66 ofVL SERIES STEAMER - ELECTRICAL OPERATION Page 67 ofVL SERIES STEAMER - ELECTRICAL OPERATION Page 68 ofVL SERIES STEAMER - ELECTRICAL OPERATION Page 69 ofVL SERIES STEAMER - ELECTRICAL OPERATION Page 70 ofVL SERIES STEAMER - ELECTRICAL OPERATION Page 71 ofVL SERIES STEAMER - ELECTRICAL OPERATION Page 72 ofVL SERIES STEAMER - ELECTRICAL OPERATION Page 73 ofVL SERIES STEAMER - ELECTRICAL OPERATION Page 74 ofVL SERIES STEAMER - ELECTRICAL OPERATION Page 75 ofWIRING DIAGRAMS, ELECTRIC HEATER CIRCUITS Standard and Cal-Code/CSD-1ControlsVL SERIES STEAMER - ELECTRICAL OPERATION Page 77 ofManual Blowdown Older Models VL SERIES STEAMER - ELECTRICAL OPERATIONPage 78 of Auto Blowdown Older Models VL SERIES STEAMER - ELECTRICAL OPERATIONPage 79 of Prevent VL SERIES STEAMER - ELECTRICAL OPERATIONPage 80 of Automatic VL SERIES STEAMER - ELECTRICAL OPERATIONPage 81 of Standard VL SERIES STEAMER - ELECTRICAL OPERATIONPage 82 of Manual VL SERIES STEAMER - ELECTRICAL OPERATIONPage 83 of TROUBLESHOOTING SYMPTOMALL MODELS POSSIBLE CAUSESVL SERIES STEAMER - TROUBLESHOOTING SYMPTOMPOSSIBLE CAUSES VL SERIES STEAMER - TROUBLESHOOTING SYMPTOMPOSSIBLE CAUSES SYMPTOM GAS MODELS ONLYPOSSIBLE CAUSES VL SERIES STEAMER - TROUBLESHOOTING