Vulcan-hart SG4D Bedienungsanleitung Seite 1

– 1 –Model SG4DSERVICE MANUALSG4 & SG6 SERIESFULL SIZE GASCONVECTION OVENSMODELSSG4D ML-114875SG4C ML-114876SG6D ML-114877SG6C ML-114878- NOTICE -

– 10 –TEMPERATURE PROBE Disconnect theelectrical power to the machine andfollow lockout / tagout procedures.1. Remove the right-side panel as outlined

– 11 –GAS BURNERS Disconnect theelectrical power to the machine andfollow lockout / tagout procedures. Shut off the gas before servicingthe oven.1. Re

– 12 –GAS ORIFICE Disconnect theelectrical power to the machine andfollow lockout / tagout procedures. Shut off the gas before servicingthe oven.1. Re

– 13 –IGNITION CONTROL MODULE Disconnect theelectrical power to the machine andfollow lockout / tagout procedures.1. Remove the right side cover as ou

– 14 –BLOWER AND MOTOR Disconnect theelectrical power to the machine andfollow lockout / tagout procedures.1. Remove racks.2. Remove the screws securi

– 15 –12. Slide blower onto motor shaft until hub isflush with end of shaft, then tighten setscrews.13. Adjust motor position until blower is parallel

– 16 –7. The top and bottom bearings are nowaccessible for inspection and/or replacementif needed.A. If bearings are OK, proceed to step 8.B. If repla

– 17 –DOOR SWITCH Disconnect theelectrical power to the machine andfollow lockout / tagout procedures.1. Remove the top front cover as outlined underC

– 18 –Lamp Assembly1. Remove the lens and bulb.2. Remove the springs from the retaining tabs(two places) on the socket.3. Depress the retaining tabs a

– 19 –COOLING FAN Disconnect theelectrical power to the machine andfollow lockout / tagout procedures.1. Remove the right side panel as outlined under

– 2 –© VULCAN-HART, 2008

– 20 –SOLID STATE TEMPERATURECONTROLLER TEST(SG4D/SG6D)Test Steps1. Remove the right side panel as outlinedunder Cover and Panels in Removal andReplac

– 21 –SOLID STATE TEMPERATURECONTROL CALIBRATION(SG4D/SG6D)Before attempting any calibration, see Section 8C ofSOLID STATE TEMPERATURE CONTROLLERTEST

– 22 –TEMPERATURE PROBE TEST (SG4D/SG6D) Disconnect the electrical power to the machine and follow lockout / tagoutprocedures.The temperature probe us

– 23 –COMPUTER CONTROLLER(SG4C/SG6C)OperationRefer to the Installation & Operation Manual forspecific operating instructions.Setup ModeUse the set

– 24 –Solid State Relay Test1. Remove the right side panels as outlinedunder Covers and Panels in Removal andReplacement of Parts.2. Turn the power sw

– 25 –GAS PRESSURE ADJUSTMENT Disconnect theelectrical power to the machine andfollow lockout / tagout procedures.Accurate gas pressure adjustments ca

– 26 –VERIFICATION OF SPARK AT IGNITOR Disconnect theelectrical power to the machine andfollow lockout / tagout procedures. Shut off the gas before se

– 27 – Disconnect theelectrical power to the machine andfollow lockout / tagout procedures.1. Remove the blower motor and mountingassembly as outline

– 28 – Disconnect theelectrical power to the machine andfollow lockout / tagout procedures.1. Check the doors to make sure they have anequal gap betwe

– 29 –6. Place a standard flat screwdriver through theopening in the top channel into the slot in thecylinder of the catch assembly.7. Turn the screwd

– 3 –TABLE OF CONTENTSGENERAL ...

– 30 –ELECTRICAL OPERATIONMaster Switch (S1) - Determines the mode ofoperation; ON, OFF or OVEN COOLLights Switch (S2) - Controls the oven cavity ligh

– 31 –Plug, Socket and Components (SG4D/SG6D)CONTROL PANEL(REAR VIEW)COMPONENT PANEL(FRONT VIEW)PORCELAINBLOCKASSEMBLYPORCELAINBLOCKASSEMBLY(PLUGS VIE

– 32 –Plug, Socket and Components (SG4C/SG6C)23 156 4 8912NO IGNITION2J (FEMALE)2J 3J 3J (FEMALE)PIN NUMBERSCONTROL PANEL(REAR VIEW)COMPONENT PANEL(F

– 33 –2. Set temperature controller dial to desiredtemperature.A. Contacts J3 and J5 close.3. Power switch (S1) is turned ON.NOTE: Power is available

– 34 –4. Heating circuit is powered.A. No ignition light (red) comes ON.B. Module performs a self diagnostic testfor 4 seconds.C. Second valve (main)

– 35 –2. Power switch (S1) turned to COOL DOWN.A. Power to fan speed switch (S3). Set fanspeed switch to either HI or LO.3. If door is closed, power

– 36 –C. Power to terminal 1 on solid state relay 1SSR1-load side and solid state relay 2SSR2-load side.D. Component cooling fan energized.E. Transfor

– 37 –2) Oven heat LED on the control goes out.3) Oven ready LED on the control comesON.4) Electronic beeper sounds momentarily.C. The oven will conti

– 38 – WIRING DIAGRAMS

– 39 –WIRING DIAGRAM734 COMPUTER CONTROLDUAL BURNER CONVECTIONOVENS 120 & 200 V. 426574 Rev. C

– 4 –TABLE OF CONTENTS (Cont.)Computer Controller (SG4C/SG6C) ...

– 40 – SCHEMATICSPOWER LEVELC1-3C1-4C3-1C3-2OPENDOORSWITCHPROBEC1-6NO IGNITIONHEAT RELAYCMBKNCHOLDBUZZERWHT. LEAD1 HOUR TIMERNOFROM FRONTROTATIONHEATI

– 41 –GAS CONVECTION OVEN SG4 WITH WATLOW 734 CONTROL426575-1 REV. C

– 42 –TROUBLESHOOTINGSMOTPMYSSESUACELBISSOProLOOCNEVOninurt'nseodrotomrewolB.noitisopNO.egatloveniL.noitcnuflamhctiwsretsaM/rewoP.noitcnuflamhcti

– 43 –TROUBLESHOOTINGCOMPUTER CONTROL MODELS ONLYMOTPMYS SESUACELBISSOP.taehtonseodnevO.nepohctiwstimilhgiH.noitcnuflameborP.noitcnuflamlortnoC.ffoott

– 44 –FORM 35626 Rev. A (02-08) PRINTED IN U.S.A.ERROR CODESDNAEDOCMELBORPESUACELBABORP NOITULOSkcehcMOR-10rErorremusnoitcnuflamMORlanretnI.rewopelcyC

– 5 –INSTALLATIONGenerally, installations are made by the dealer orcontracted by the dealer or owner. Detailed installationinstructions are included i

– 6 –REMOVAL AND REPLACEMENT OF PARTS COMPONENT LOCATIONDOORSWITCHIGNITER &FLAME SENSEGAS BURNERSCOMPONENTPANELCOOLINGFANOVEN LIGHTSCONTROLPANELTO

– 7 –COVERS AND PANELS Disconnect theelectrical power to the machine andfollow lockout / tagout procedures.Top Front Cover1. The top front cover is se

– 8 –CONTROL PANEL COMPONENTSProcedure Disconnect the electrical power to the machine and follow lockout / tagoutprocedures.1. Remove the control pane

– 9 –COMPONENT PANEL COMPONENTSProcedure Disconnect the electrical power to the machine and follow lockout / tagoutprocedures.1. Remove the right side