Vulcan VSX36D - Manuals

VSX SERIES STEAMERS - OPERATION Page 6 of 80 Water Supply Supply pressure should be 20-80 psig In line strainer for supply line (Not Supplied) Supply connection cold Total dissolv ed solids (TDS)* less than 60 ppm Total alkalinity less than 20 ppm Silica less than 13 ppm Chloride less than 30 ppm PH...

VSX SERIES STEAMERS - OPERATION Page 7 of 80 STEAMER OPERATION WARNING: THE STEAMER AND ITS PARTS ARE HOT. USE CARE W HEN OPERATING, CLEANING ORSERVICING THE STEAMER. THE COOKING COMPARTMENT CONTAINS LIVE STEAM. STAY CLEARW HEN OPENING EACH DOOR. CABINET BASE BOILERS Ensure that all utility connecti...

VSX SERIES STEAMERS - OPERATION Page 8 of 80 Electrically Powered Steam Boiler Open the cabinet door and turn main power switchON. The red light will illuminate, water will beginfilling the boiler and the blowdown solenoid v alv ewill close. The boiler should fill, in 4 to11 minutes.Observ e water l...

VSX SERIES STEAMERS - OPERATION Page 9 of 80 COOKING COMPARTMENT CONTROLS W hen the steam pressure in the cookingcompartment manifold reaches approximately 3 psi,the cooking compartment pressure switch closes,suppling power to the other controls. The readylights will illuminate and after approximate...

VSX SERIES STEAMERS - COMPONENT FUNCTION AND LOCATION Page 10 of 80 COMPONENT FUNCTION AND LOCATION CABINET BASE BOILER CONTROLS WARNING: THE STEAMER AND ITS PARTS AREHOT. USE CARE W HEN OPERATING, CLEANINGOR SERVICING THE STEAMER. THE COOKINGCOMPARTMENTS CONTAIN LIVE STEAM. STAYCLEAR W HEN OPENING ...

VSX SERIES STEAMER - SERVICE PROCEDURES Page 15 of 80 SERVICE PROCEDURES WARNING: CERTAIN PROCEDURES IN THIS SECTION REQUIRES ELECTRICAL TEST ORMEASUREMENTS W HILE POW ER IS APPLIED TO THE MACHINE. EXERCISE EXTREME CAUTION AT ALLTIMES. IF TEST POINTS ARE NOT EASILY ACCESSIBLE, DISCONNECT POW ER, ATT...

VSX SERIES STEAMER - SERVICE PROCEDURES Page 17 of 80 C. Does the HL LED go out and the HL relayde-energize, allowing the contact state toswitch back to its starting condition afterthe water lev el reaches the HL probe? 4. If water is in the boiler but is not being detectedby the water lev el probes...

VSX SERIES STEAMER - SERVICE PROCEDURES Page 18 of 80 High Limit Thermostat WARNING: DISCONNECT THE ELECTRICALPOW ER TO THE MACHINE AT THE MAINCIRCUIT BOX. PLACE A TAG ON THE CIRCUITBOX INDICATING THE CIRCUIT IS BEINGSERVICED. Remov e thermostat (bi-metallic disk type) andinspect flat surface of the...

VSX SERIES STEAMER - SERVICE PROCEDURES Page 19 of 80 4. Remov e the stem locking nut to remov e thestem from the v alv e body. 5. All parts are now accessible for inspection andcleaning. NOTE: If internal solenoid parts appear to bedamaged or worn, then replace the solenoid v alv e.Do not reuse dam...

VSX SERIES STEAMER - SERVICE PROCEDURES Page 20 of 80 Steamer Achieves Pressure Slower Than Normal If the boiler requires more than 15 minutes (20minutes for regenerated models) to achiev e normaloperating pressure as listed in below, then check thefollowing conditions. NORMAL OPERATING STEAM PRESSU...

VSX SERIES STEAMER - SERVICE PROCEDURES Page 21 of 80 Inlet Water Strainer The in-line Y strainer should be located upstream ofthe fill v alv e solenoid. Unscrew the cap from thebody on the leg of the Y that should be pointingdownwards toward the floor. Remov e the screenand any foreign particles tr...

VSX SERIES STEAMER - SERVICE PROCEDURES Page 22 of 80 Check the thermocouple output v oltage (DCmilliv olts) with a VOM. If a meter is not av ailable,replace the thermocouple with a new one andrecheck operation. First, take a closed circuitreading (adaptor required) with the pilot on. Next,take an o...

VSX SERIES STEAMER - SERVICE PROCEDURES Page 23 of 80 Spark Ignition Control Test 1. If the ignition control module does not appearto be sparking to ignite gas, perform thefollowing checks. A. Check to ensure that all electrical terminalconnections on the ignition control moduleand the ignitor are c...

VSX SERIES STEAMER - SERVICE PROCEDURES Page 24 of 80 A. If other appliances are connected to thesame gas line, turn them all ON and checkmanometer pressure reading again. If apressure drop of ½ inch water column ormore is observ ed, then the gas supplyneeds to be checked by the gas lineinstaller or...

VSX SERIES STEAMER - SERVICE PROCEDURES Page 26 of 80 DIRECT STEAM MODELS These models consist of a pressure regulator andgauge that run off a buildings potable steam supply.The maximum input pressure to the regulator shouldbe 15 psi. Incoming power (120VAC) for thecompartment controls is supplied f...

VSX SERIES STEAMER - SERVICE PROCEDURES Page 27 of 80 Water Accumulating in Compartment - W ateraccumulation on the bottom of the cookingcompartment(s) is primarily condensed steam.Failure to drain out quickly and completely, may bedue to clogged debris in the compartment drainscreen. Pull screen st...

VSX SERIES STEAMER - SERVICE PROCEDURES Page 28 of 80 Sealing Adjustment 1. Check the door gasket quality. If damaged orworn, replace as outlined in “REMOVAL” under“DOOR”. 2. Loosen screws until the screw heads no longertouch the gasket plate. 3. Tighten screws until screw head touches gasketplate a...

VSX SERIES STEAMER - SERVICE PROCEDURES Page 29 of 80 Latch Adjustment Should the cooker door jam and can not be opened,DO NOT FORCE OR PRY the door as damage willoccur. First, try lifting up on the bottom of the door at thehandle end to disengage the latch. If that does notwork, remov e the right s...

VSX SERIES STEAMER - ELECTRICAL OPERATION Page 30 of 80 ELECTRICAL OPERATION WATER LEVEL CONTROLS Solid State - Low level Cut-Off & Differential Control The steamer is equipped with three water lev elsensing probes (high, low and low lev el cut-off) anda single water lev el control board. The wa...

VSX SERIES STEAMER - ELECTRICAL OPERATION Page 31 of 80 Solid State - Auxiliary Low Level Cut-Off This control serv es as a safety backup to the mainwater lev el control (W LC) board to meet Cal-Codeand CSD-1 code requirements. The operation of theauxiliary control is identical to the low lev el cut...

VSX SERIES STEAMER - ELECTRICAL OPERATION Page 32 of 80 Electro Mechanical - Low level Cut-Off & Differential Control The steamer is equipped with three water lev el sensing probes (high, low and low lev el cut-off), a differentiallev el control (1G1GO) and a low lev el cut-off control (1D1DO). ...

VSX SERIES STEAMER - ELECTRICAL OPERATION Page 33 of 80 Electro Mechanical - Auxiliary Low Level Cut-Off This control serv es as a safety backup to the main low lev el cut-off (LLCO) control to meet Cal-Coderequirements. The operation of the auxiliary control is identical to the main low lev el cut-...

VSX SERIES STEAMER - ELECTRICAL OPERATION Page 34 of 80 SEQUENCE OF OPERATION GAS MODELS This sequence of operation is written for steamerswith automatic ignition, solid state water lev elcontrols and the CSD-1 (code) option. Refer toschematic diagram number 3707. INITIAL FILL AND PREHEAT 1. Conditi...

VSX SERIES STEAMER - ELECTRICAL OPERATION Page 36 of 80 A. Boiler steam pressure is maintained by thecycling of the pressure switch between theupper and lower set point limits. Thecycling pressure switch continues toenergize and de-energize the main gassolenoid v alv e starting and stopping theflow ...

VSX SERIES STEAMER - ELECTRICAL OPERATION Page 37 of 80 A. The inv erse latching relay of the waterlev el control is energized, changing thestate of ILR-1 (N.O.) and ILR-2 (N.C.)contacts. B. HL relay is de-energized. 1) HL-3 opens. 2) Fill solenoid de-energized and waterstops flowing into tank. 3) H...

VSX SERIES STEAMER - ELECTRICAL OPERATION Page 40 of 80 PAGE PURPOSELY LEFT BLANK

VSX SERIES STEAMER - ELECTRICAL OPERATION Page 41 of 80 SCHEMATICS, GAS STEAMERS, BOILER CONTROLS VSX24G, 36G AND 42GT Manual Ignition, Standard Controls

VSX SERIES STEAMER - ELECTRICAL OPERATION Page 42 of 80 Electronic Ignition, Standard Controls

VSX SERIES STEAMER - ELECTRICAL OPERATION Page 46 of 80 WIRING DIAGRAMS, GAS STEAMERS, BOILER CONTROLS VSX24G, 36G AND 42GT Manual Ignition, Standard Controls

VSX SERIES STEAMER - ELECTRICAL OPERATION Page 54 of 80 SCHEMATICS, ELECTRIC STEAMERS, BOILER CONTROLS VSX24E, 36E AND 42ET Auto Blowdown, Standard Controls

VSX SERIES STEAMER - ELECTRICAL OPERATION Page 58 of 80 WIRING DIAGRAMS, ELECTRIC STEAMERS, BOILER CONTROLS VSX24E, 36E AND 42ET Auto Blowdown, Standard Controls

VSX SERIES STEAMER - ELECTRICAL OPERATION Page 64 of 80 Auto Blowdown, Step Down Transformer, Standard Controls

VSX SERIES STEAMER - ELECTRICAL OPERATION Page 70 of 80 WIRING DIAGRAMS, ELECTRIC HEATER CIRCUITS VSX24E, 36E AND 42ET Standard and Cal-Code/CSD-1 Controls (Newer Models)

VSX SERIES STEAMER - ELECTRICAL OPERATION Page 73 of 80 SCHEMATIC, DIRECT STEAMERS, CABINET BASE VSX24D, 36D AND 42DT See “SCHEMATIC ALL MODELS - COMPARTMENT CONTROLS” WIRING DIAGRAM, DIRECT STEAMERS, CABINET BASE VSX24D, 36D AND 42DT See “W IRING DIAGRAM ALL MODELS - COMPARTMENT CONTROLS”

VSX SERIES STEAMER - ELECTRICAL OPERATION Page 74 of 80 WIRING DIAGRAMS, REGENERATED STEAMERS, BOILER CONTROLS VSX36R AND 42RT (OLDER MODELS) Manual Blowdown

VSX SERIES STEAMER - ELECTRICAL OPERATION Page 75 of 80 Auto Blowdown

VSX SERIES STEAMER - ELECTRICAL OPERATION Page 76 of 80 SCHEMATIC ALL MODELS - COMPARTMENT CONTROLS

VSX SERIES STEAMER - ELECTRICAL OPERATION Page 77 of 80 WIRING DIAGRAM, ALL MODELS - COMPARTMENT CONTROLS

VSX SERIES STEAMER - TROUBLESHOOTING Page 78 of 80 TROUBLESHOOTING ALL MODELS WARNING: CERTAIN PROCEDURES IN THIS SECTION REQUIRE ELECTRICAL TESTS ORMEASUREMENTS W HILE POW ER IS APPLIED TO THE MACHINE. EXERCISE EXTREME CAUTION AT ALLTIMES. IF TEST POINTS ARE NOT EASILY ACCESSIBLE, DISCONNECT POW ER...

VSX SERIES STEAMER - TROUBLESHOOTING Form 24627 (December 98) Printed in U.S.A. GAS MODELS ONLY SYMPTOM POSSIBLE CAUSES Burner won’t light. 1. Gas not on. 2. Ignition control module reset switch in the OFF position ormalfunctioning. 3. Ignition module not receiving power. Check ignition moduletransf...