DOMESTIC AND INTERNATIONAL
Lincoln Foodservice Products, LLC 1111 North Hadley Road
U.S. Fax 888 790-8193 Int’l Fax 260 Technical Service Hot Line
Fort Wayne, Indiana United States of America Phone
TABLE OF CONTENTS
Impinger I - 1400 Series Advantage Service Manual - Dom & Int’l
SEQUENCE OF OPERATIONS
3 PHASE
SEQUENCE OF OPERATION
MODEL 1450 / 120 VAC / 60 HZ / NATURAL GAS
MODEL 1454 / 380/220 VAC / 50 HZ / 3 PHASE
MODEL 1455 / 415/240 VAC / 50 HZ / 3 PHASE
SEQUENCE OF OPERATIONS
MODEL 1474 / 220-240 VAC / 50 HZ / NATURAL GAS
MODEL 1456 / 220-240 VAC / 50 HZ / NATURAL GAS
MODEL 1457 / 220-240 VAC / 50 HZ / L.P. GAS
MODEL 1475 / 220-240 VAC / 50 HZ / L.P. GAS
SCHEMATIC 1450
SCHEMATIC
Impinger I - 1400 Series Advantage Service Manual - Dom & Int’l
SCHEMATIC
SCHEMATIC
SCHEMATIC 1474
GAS OVENS
TROUBLESHOOTING GUIDE
SYMPTOM
POSSIBLE CAUSE
pilot valve internal to valve assembly and igniter
Centrifugal Switch of Burner
purge Time Delay built in. If voltage is not present
housings on the right side of the oven. If no pilot
CODE
MODELS
1474-1475-1476
close when gas pressure is present. WITH POWER
Gas Pressure Switch
This switch is located inside the gas valve and should
marked on the oven specification plate
damage to flame sensor wire and connections
between the flame sensor wire and Ignition Control
igniter/sensor assembly. Also check for any type of
burner will not remain ignited, check the reset button
temperature control
Remove thermocouple leads from the temperature
leads. Refer to chart on Page 25 for proper readings
present, trace wiring back to temperature control
ELECTRIC OVENS
TROUBLESHOOTING GUIDE
board. If not present, check wiring from Hi-Limit to
Temperature Control Board
Check for 120 VAC input to temperature control
temperature control board. Turn the temperature
conveyor belt adjustment. A conveyor belt that is over
adjustment. Also check for worn bearings. The
Installation and Operations Manual shows proper
Power Supply
FAN, MAIN
REMOVAL INSTALLATION & ADJUSTMENTS
MOTOR, MAIN FAN
FAN SPIDER FAN HUB CONE
COOLING FAN, CONTROL BOX
CAPACITOR, MOTOR
RELAY, D.P.S.T
THERMOSTAT, COOLING FAN
BURNER CONTROL - HONEYWELL - REPLACEMENT
BURNER BLOWER MOTOR - REPLACEMENT
BLOWER WHEEL, BURNER This is part of the burner blower motor assembly
BURNER ASSEMBLY
SOLENOID VALVE
MANIFOLD PRESSURE - ADJUSTMENT
ELECTRONIC TEMPERATURE CONTROL - REPLACEMENT
MANIFOLD ADJUSTMENT SCREW LOCATED UNDER COVER SCREW FRONT VIEW
THERMOCOUPLE - REPLACEMENT
THERMOCOUPLE MEASUREMENT CHART
BURNER IGNITOR
CONVEYOR CONTROL BOARD ASSEMBLY - REPLACEMENT
BURNER CONTROL TRANSFORMER -REPLACEMENT
CONVEYOR CONTROL POTENTIOMETER 10K OHM - REPLACEMENT
CONVEYOR DRIVE MOTOR - REPLACEMENT
MAIN ORIFICE - REPLACEMENT
HALL EFFECT SENSOR - REPLACEMENT
CIRCUIT BREAKER - REPLACEMENT
ON-OFF SWITCH - REPLACEMENT
SIDE VIEW
AIR PRESSURE SWITCHES - REPLACEMENT AND ADJUSTMENT
GAS VALVE - REPLACEMENT AND ADJUSTMENTS
TOP VIEW
SPARK GENERATOR - REPLACEMENT
IGNITION CONTROL - REPLACEMENT
HIGH LIMIT THERMOSTAT - REPLACEMENT
SOLENOID VALVE - REPLACEMENT
PART #
GENERAL - 1450 SERIES
LETTER
DESCRIPTION
GENERAL - 1450 SERIES BLOW-UP
PART #
CONTROL BOX
LETTER
DESCRIPTION
CONTROL BOX - 1450, 1451, 1480 BLOW-UP
PART #
CONTROL BOX
LETTER
DESCRIPTION
CONTROL BOX - 1452, 1453 BLOW-UP
PART #
CONTOL BOX
LETTER
DESCRIPTION
CONTROL BOX - 1454, 1455 BLOW-UP
PART #
CONTROL BOX - 1456, 1457, 1474
LETTER
DESCRIPTION
CONTROL BOX - 1456, 1457, 1474, 1475, 1476 BLOW-UP
Impinger I - 1400 Series Advantage Service Manual - Dom & Int’l
PART #
OVEN BACK, GAS - ELECTRIC
LETTER
DESCRIPTION
OVEN BACK, GAS - ELECTRIC BLOW-UP
PART #
CONVEYOR - 1450 SERIES
LETTER
DESCRIPTION
CONVEYOR 1450 SERIES BLOW-UP
Impinger I - 1400 Series Advantage Service Manual - Dom & Int’l
U.S. Facsimile 888 Int’l Facsimile 260 Technical Service Hotline
Fort Wayne, Indiana United States of America Telephone
Lincoln Foodservice Products, LLC 1111 North Hadley Road
