Fort Wayne, Indiana Phone 800 374-3004 Fax
Lincoln Foodservice Products, Inc
Technical Service Hot Line
1111 North Hadley Road P.O. Box
SEQUENCE OF OPERATION IMPINGER X2 OVENS
3240-2
SEQUENCE OF OPERATION IMPINGER X2 OVENS
MODEL 3240-2, 3262-2, 3270-260 HZ
SCHEMATIC DIAGRAM
SCHEMATIC DIAGRAM
MODEL 3240-2, 3262-2, 3270-250 HZ
TROUBLESHOOTING GUIDE
Air pressure switch
Check for 120VAC to the switch, if no voltage is
Switch, burner
present, trace wiring back to the oven fan switch
visible at burner control, proceed
obstructions also check for frayed or broken wire
WITH POWER ON AND THERMOCOUPLE LEADS
Adjustment” section for proper readings. If these
voltage is present, trace wiring back to conveyor
Power supply
incoming power, call power co. if needed
Switch, conveyor
intermittent
Repair or replace conveyor components as needed
Conveyor speed varying or
Check for a steady 120VAC supply to the conveyor
3240-2
TROUBLESHOOTING GUIDE
burner control. If voltage is present, proceed
Thermostat, hi-limit
replace hi-limitthermostat
Check for supply voltage to the burner control at
Check for supply voltage at terminal #7 on burner
amps in series between the flame sensor wire
sensor wire and connections
proper polarity of the power supply
If supply voltage is present on the electronic
supply voltage to terminal #20 on the electronic
If voltage is not present, proceed
pressure, replace the valve
voltage is present, trace wiring back to conveyor
Check for supply voltage to conveyor control at
Check for a steady supply voltage to the conveyor
switch as needed
REMOVAL, INSTALLATION & ADJUSTMENTS
IMPINGER X2 SERIES OVENS
9.Remove burner tube bracket and Burner tube
SWITCH, ON/OFF - REPLACEMENT
RELAY, MAIN FAN, - REPLACEMENT
TIMER, 30 MINUTE COOL DOWN - REPLACEMENT
FUSE HOLDER - REPLACEMENT
3.Seal adjustment screw with nail polish
BURNER CONTROL - REPLACEMENT
AIR PRESSURE SWITCH - REPLACEMENT
AIR PRESSURE SWITCH - ADJUSTMENT
TEMPERATURE REGULATION VALVE - REPLACEMENT
HAIRPIN SWITCH THERMOCOUPLE - REPLACEMENT
THERMOSTAT, HI-LIMIT- REPLACEMENT
GAS VALVE - REPLACEMENT
CONVEYOR MOTOR - REPLACEMENT
MAIN BURNER ORIFICE - REPLACEMENT
PILOT ORIFICE - REPLACEMENT
SPARK IGNITER - REPLACEMENT
1.Shut off power at main breaker
HALL EFFECT SENSOR - REPLACEMENT
CONVEYOR CONTROL - REPLACEMENT
1.Shut off power at main breaker
CONSTANT
CHAMBER
DRIVE
CONSTANT
Display setting at reference RPM, parameter
Time Mode Setting MM SS
Display minimum setting value is in seconds
Display maximum setting value is in seconds
Display minimum setting value is in seconds
8.Remove control box cover
1894
Time Mode Setting MM SS
3383
15.Remove control box cover
1933
2997
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GENERAL VIEW
IMPINGER X2 OVENS
Page
IMPINGER X2 OVENS
OVEN CAVITY
Page
IMPINGER X2 OVENS
CONTROL BOX
Page
IMPINGER X2 OVENS
BURNER/DRIVE END
Page
IMPINGER X2 OVENS
CONVEYOR, SINGLE
Page
IMPINGER X2 OVENS
CONVEYOR, DUAL BELT