Manuals / Lincoln / Kitchen Appliance / Convection Oven

Lincoln 3270-2, 3262-2, 3240-2 service manual

Models: 3240-2 3270-2 3262-2

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Impinger X2 – Analog Service Manual – Dom & Int’l

Page 31

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Lincoln 3270-2, 3262-2, 3240-2 service manual

Contents

United States of America Phone Lincoln Foodservice Products, LLCTechnical Service Hot Line 1111 North Hadley Road Fort Wayne, IndianaSEQUENCE OF OPERATION IMPINGER X2 OVENS 3240-2 SEQUENCE OF OPERATION IMPINGER X2 OVENSMODEL 3240-2, 3262-2, 3270-260 HZ SCHEMATIC DIAGRAMSCHEMATIC DIAGRAM MODEL 3240-2, 3262-2, 3270-250 HZTROUBLESHOOTING GUIDE Air pressure switch Check for 120VAC to the switch, if no voltage isSwitch, burner present, trace wiring back to the oven fan switchWITH POWER ON AND THERMOCOUPLE LEADS obstructions also check for frayed or broken wireElectronic temperature control to maximum temperature and check forincoming power, call power co. if needed Temperature regulation valveReplace temperature regulation valve as needed Power supplyintermittent Repair or replace conveyor components as neededConveyor speed varying or Check for a steady 120VAC supply to the conveyor3240-2 TROUBLESHOOTING GUIDEburner control. If voltage is present, proceed Thermostat, hi-limitreplace hi-limitthermostat Check for supply voltage to the burner control atCheck for supply voltage at terminal #7 on burner amps in series between the flame sensor wiresensor wire and connections proper polarity of the power supplyIf supply voltage is present on the electronic supply voltage to terminal #20 on the electronicIf voltage is not present, proceed pressure, replace the valvevoltage is present, trace wiring back to conveyor Check for supply voltage to conveyor control atCheck for a steady supply voltage to the conveyor switch as neededREMOVAL, INSTALLATION & ADJUSTMENTS IMPINGER X2 SERIES OVENS9.Remove burner tube bracket and Burner tube SWITCH, ON/OFF - REPLACEMENT RELAY, MAIN FAN, - REPLACEMENTTIMER, 30 MINUTE COOL DOWN - REPLACEMENT FUSE HOLDER - REPLACEMENT3.Seal adjustment screw with nail polish BURNER CONTROL - REPLACEMENTAIR PRESSURE SWITCH - REPLACEMENT AIR PRESSURE SWITCH - ADJUSTMENTGAS VALVE - REPLACEMENT HAIRPIN SWITCH THERMOCOUPLE - REPLACEMENTTHERMOSTAT, HI-LIMIT- REPLACEMENT TEMPERATURE REGULATION VALVE - REPLACEMENTCONVEYOR MOTOR - REPLACEMENT MAIN BURNER ORIFICE - REPLACEMENTPILOT ORIFICE - REPLACEMENT SPARK IGNITER - REPLACEMENT1.Shut off power at main breaker HALL EFFECT SENSOR - REPLACEMENTCONVEYOR CONTROL - REPLACEMENT 1.Shut off power at main breakerCONSTANT CHAMBERDRIVE CONSTANTDisplay setting at reference RPM, parameter Time Mode Setting MM SSDisplay minimum setting value is in seconds Display maximum setting value is in seconds8.Remove control box cover 20135 Display minimum setting value is in seconds21960 Display maximum setting value is in seconds 30135 Display setting at reference RPM, parameter3383 15.Remove control box cover1933 2997This page intentionally left blank GENERAL VIEW IMPINGER X2 OVENSPage IMPINGER X2 OVENS OVEN CAVITYPage IMPINGER X2 OVENS CONTROL BOXPage IMPINGER X2 OVENS BURNER/DRIVE ENDPage IMPINGER X2 OVENS CONVEYOR, SINGLEPage IMPINGER X2 OVENS CONVEYOR, DUAL BELT