Vulcan SG4 Instrukcja Użytkownika

SG SERIES GAS CONVECTIONOVENSMODELS SG4SG6STACKEDMODELSSG44SG66- NOTICE -This Manual is prepared for the use of trained Vulcan ServiceTechni

4. Remove the ignition module board from themounting bracket.5. Reverse the procedure to install the replacementignition module board.SPARK IGNITER AN

Fig. 254. If replacing:A. Blower Only - Loosen set screws on blowerhub and using a bearing puller, removeblower from motor shaft.1) Reverse procedure

Fig. 2813. Slide blower onto motor shaft until hub is flushwith end of shaft then tighten set screws.14. Adjust motor position until blower is paralle

C. If replacing the bottom bearing, remove itfrom the door shaft or the lower sill opening.8. Reverse procedure to install door assembly andcheck for

Fig. 345. Reverse procedure to install the replacementwindow.DOOR SWITCH Disconnect theelectrical power to the machine andfollow lockout / tagout proc

Fig. 37NOTE: Remove the old RTV from the cover andmating surfaces inside the oven cavity and apply newRTV before installing.4. Reverse procedure to i

3. Remove the screws securing the air deflector tothe fan then loosen the tab screw holding the fanto the component panel. Rotate the tab so thatthe f

SERVICE PRODCEDURES AND ADJUSTMENTS Certain procedures in this section require electrical test or measurements whilepower is applied to the machine. E

SOLID STATE TEMPERATURECONTROL TEST Disconnect theelectrical power to the machine andfollow lockout / tagout procedures.1. Remove the RIGHT SIDE PANEL

A. If the measured resistance values are insidethe given tolerance then the probe isfunctioning properly.B. If the measured resistance values areoutsi

TABLE OF CONTENTSGENERAL ... 3INTRODUCTION ...

SHUT OFF THE GAS BEFORESERVICING THE UNIT.1. Remove the BOTTOM FRONT COVER.2. Disconnect the high voltage "ignition cable" fromthe spark ig

3. Adjust the motor position until the blower isparallel to and 1/4 inch away from the motormounting plate. Check for squareness of theblower to the m

4. Move the door until proper alignment is achievedthen tighten the screws on the upper doorbearing hardware.5. Repeat step 3 and 4 on the opposite do

ELECTRICAL OPERATIONCOMPONENT FUNCTIONPower Switch (S1) ... Determines the mode of operation; ON, OFF, or COOL DOWN.Oven Light Switch (S2)...

COMPONENT LOCATIONFig. 50SG SERIES GAS CONVECTION OVENS - ELECTRICAL OPERATIONF45525 (0814) Page 24 of 30

Fig. 51SEQUENCE OF OPERATIONSG4, SG6 (Solid State Temperature Control)Schematic diagram AI3691 will be used to explain theelectrical sequence of opera

A. Oven connected to correct voltage.1) L1 (HOT) to power switch (S1).2) L2 (NEUTRAL or SECOND LINE) toone side of the following components:power ON l

d) No ignition light (red) comesON, module performs a selfdiagnostic test for 4 seconds,2nd valve (main) on the gasvalve is energized. Gasstarts to fl

SCHEMATICSFig. 52WIRING DIAGRAMSee Wiring Diagram AI3692SG SERIES GAS CONVECTION OVENS - ELECTRICAL OPERATIONF45525 (0814) Page 28 of 30

TROUBLESHOOTING Certain procedures in this section require electrical test or measurements whilepower is applied to the machine. Exercise extreme caut

GENERALINTRODUCTIONProcedures in this manual will apply to all modelsunless specified. Pictures and illustrations can be ofany model unless the pictur

SYMPTOMS POSSIBLE CAUSESExcessive or low heat.1. Temperature probe malfunction.2. Temperature control board malfunction.3. Gas pressure Insufficient.4

REMOVAL AND REPLACEMENT OF PARTSCOVERS AND PANELS Disconnect theelectrical power to the machine andfollow lockout / tagout procedures. SHUT OFF THE GA

CONTROL PANEL COMPONENTS Disconnect theelectrical power to the machine andfollow lockout / tagout procedures.Removable Components Procedure1. Remove t

Fig. 6TEMPERATURE PROBE Disconnect theelectrical power to the machine andfollow lockout / tagout procedures.1. Remove the RIGHT SIDE PANEL.NOTE: If r

2. Disconnect the ignition cable and the flamesense lead wire.Fig. 93. Disconnect the ignition cable and the flamesense lead wire.Fig. 104. Remove the

GAS SOLENOID VALVE Disconnect theelectrical power to the machine andfollow lockout / tagout procedures. SHUT OFF THE GAS BEFORESERVICING THE UNIT. All

Fig. 18A. To change gas type unscrew and reversecap to show the proper gas type.1) Make sure gasket is positionedbetween cap and valvebody.Fig. 196. R