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

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

Contents

Lincoln Foodservice Products, LLC Technical Service Hot Line1111 North Hadley Road Fort Wayne, Indiana 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 Check for 120VAC to the switch, if no voltage is Switch, burnerpresent, trace wiring back to the oven fan switch Air pressure switchobstructions also check for frayed or broken wire Electronic temperaturecontrol to maximum temperature and check for WITH POWER ON AND THERMOCOUPLE LEADSTemperature regulation valve Replace temperature regulation valve as neededPower supply incoming power, call power co. if neededRepair or replace conveyor components as needed Conveyor speed varying orCheck for a steady 120VAC supply to the conveyor intermittentTROUBLESHOOTING GUIDE 3240-2Thermostat, hi-limit replace hi-limitthermostatCheck for supply voltage to the burner control at burner control. If voltage is present, proceedamps in series between the flame sensor wire sensor wire and connectionsproper polarity of the power supply Check for supply voltage at terminal #7 on burnersupply voltage to terminal #20 on the electronic If voltage is not present, proceedpressure, replace the valve If supply voltage is present on the electronicCheck for supply voltage to conveyor control at Check for a steady supply voltage to the conveyorswitch as needed voltage is present, trace wiring back to conveyorIMPINGER X2 SERIES OVENS REMOVAL, INSTALLATION & ADJUSTMENTS9.Remove burner tube bracket and Burner tube RELAY, MAIN FAN, - REPLACEMENT TIMER, 30 MINUTE COOL DOWN - REPLACEMENTFUSE HOLDER - REPLACEMENT SWITCH, ON/OFF - REPLACEMENTBURNER CONTROL - REPLACEMENT AIR PRESSURE SWITCH - REPLACEMENTAIR PRESSURE SWITCH - ADJUSTMENT 3.Seal adjustment screw with nail polishHAIRPIN SWITCH THERMOCOUPLE - REPLACEMENT THERMOSTAT, HI-LIMIT- REPLACEMENTTEMPERATURE REGULATION VALVE - REPLACEMENT GAS VALVE - REPLACEMENTMAIN BURNER ORIFICE - REPLACEMENT PILOT ORIFICE - REPLACEMENTSPARK IGNITER - REPLACEMENT CONVEYOR MOTOR - REPLACEMENTHALL EFFECT SENSOR - REPLACEMENT CONVEYOR CONTROL - REPLACEMENT1.Shut off power at main breaker 1.Shut off power at main breakerCHAMBER DRIVECONSTANT CONSTANTTime Mode Setting MM SS Display minimum setting value is in secondsDisplay maximum setting value is in seconds Display setting at reference RPM, parameter20135 Display minimum setting value is in seconds 21960 Display maximum setting value is in seconds30135 Display setting at reference RPM, parameter 8.Remove control box cover15.Remove control box cover 19332997 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