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