Manuals / Lincoln / Kitchen Appliance / Convection Oven

Lincoln 3270-2, 3262-2, 3240-2 Hall Effect Sensor - Replacement, Conveyor Control - Replacement

Models: 3240-2 3270-2 3262-2

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HALL EFFECT SENSOR – REPLACEMENT

1.Shut off power at main breaker.

2.Remove control box cover.

3.Disconnect all wiring from hall effect sensor and mark all wiring for reassembly.

4.Remove mounting nut and remove hall effect sensor and magnet.

5.Reassemble in reverse order and check system operation.

CONVEYOR CONTROL – REPLACEMENT

1.Shut off power at main breaker.

2.Remove control box cover.

3.Remove top and rear covers from conveyor control. Disconnect all wiring from the conveyor control and mark all wiring for reassembly.

4.Remove two screws and remove faceplate from conveyor control. Remove two mounting screws and remove conveyor control.

5.Reassemble in reverse order, set control for proper programming (see CONVEYOR CONTROL - PROGRAMMING) and check system operation.

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

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Lincoln 3270-2, 3262-2 Hall Effect Sensor - Replacement, Conveyor Control - Replacement, Shut off power at main breaker

Contents

1111 North Hadley Road Fort Wayne, Indiana Lincoln Foodservice Products, LLCTechnical Service Hot Line United States of America PhoneSEQUENCE OF OPERATION IMPINGER X2 OVENS SEQUENCE OF OPERATION IMPINGER X2 OVENS 3240-2SCHEMATIC DIAGRAM MODEL 3240-2, 3262-2, 3270-260 HZMODEL 3240-2, 3262-2, 3270-250 HZ SCHEMATIC DIAGRAMTROUBLESHOOTING GUIDE present, trace wiring back to the oven fan switch Check for 120VAC to the switch, if no voltage isSwitch, burner Air pressure switchcontrol to maximum temperature and check for obstructions also check for frayed or broken wireElectronic temperature WITH POWER ON AND THERMOCOUPLE LEADSPower supply Temperature regulation valveReplace temperature regulation valve as needed incoming power, call power co. if neededCheck for a steady 120VAC supply to the conveyor Repair or replace conveyor components as neededConveyor speed varying or intermittentTROUBLESHOOTING GUIDE 3240-2Check for supply voltage to the burner control at Thermostat, hi-limitreplace hi-limitthermostat burner control. If voltage is present, proceedproper polarity of the power supply amps in series between the flame sensor wiresensor wire and connections Check for supply voltage at terminal #7 on burnerpressure, replace the valve supply voltage to terminal #20 on the electronicIf voltage is not present, proceed If supply voltage is present on the electronicswitch as needed Check for supply voltage to conveyor control atCheck for a steady supply voltage to the conveyor voltage is present, trace wiring back to conveyorIMPINGER X2 SERIES OVENS REMOVAL, INSTALLATION & ADJUSTMENTS9.Remove burner tube bracket and Burner tube FUSE HOLDER - REPLACEMENT RELAY, MAIN FAN, - REPLACEMENTTIMER, 30 MINUTE COOL DOWN - REPLACEMENT SWITCH, ON/OFF - REPLACEMENTAIR PRESSURE SWITCH - ADJUSTMENT BURNER CONTROL - REPLACEMENTAIR PRESSURE SWITCH - REPLACEMENT 3.Seal adjustment screw with nail polishTEMPERATURE REGULATION VALVE - REPLACEMENT HAIRPIN SWITCH THERMOCOUPLE - REPLACEMENTTHERMOSTAT, HI-LIMIT- REPLACEMENT GAS VALVE - REPLACEMENTSPARK IGNITER - REPLACEMENT MAIN BURNER ORIFICE - REPLACEMENTPILOT ORIFICE - REPLACEMENT CONVEYOR MOTOR - REPLACEMENT1.Shut off power at main breaker HALL EFFECT SENSOR - REPLACEMENTCONVEYOR CONTROL - REPLACEMENT 1.Shut off power at main breakerCONSTANT CHAMBERDRIVE CONSTANTDisplay maximum setting value is in seconds Time Mode Setting MM SSDisplay minimum setting value is in seconds Display setting at reference RPM, parameter30135 Display setting at reference RPM, parameter 20135 Display minimum setting value is in seconds21960 Display maximum setting value is in seconds 8.Remove control box cover2997 15.Remove control box cover1933 3383This page intentionally left blank IMPINGER X2 OVENS GENERAL VIEWPage OVEN CAVITY IMPINGER X2 OVENSPage CONTROL BOX IMPINGER X2 OVENSPage BURNER/DRIVE END IMPINGER X2 OVENSPage CONVEYOR, SINGLE IMPINGER X2 OVENSPage CONVEYOR, DUAL BELT IMPINGER X2 OVENS