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SERVICE MANUAL
(INTERNATIONAL)
IMPINGER CONVEYOR OVENS
MODEL 1421-000-E, 1454, 1455
WITH PUSH BUTTON CONTROLS
Lincoln Foodservice Products, LLC
1111 North Hadley Road
Fort Wayne, Indiana 46804
United States of America
Phone : (800) 374-3004
U.S. Fax: (888) 790-8193 • Int'l Fax: (260) 436-0735
Technical Service Hot Line
(800) 678-9511
www.lincolnfp.com
1450ExpElect
REV 1/5/07
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Table of Contents
Summary of Contents for Lincoln Foodservice 1454-000-E
- Page 1 SERVICE MANUAL (INTERNATIONAL) IMPINGER CONVEYOR OVENS MODEL 1421-000-E, 1454, 1455 WITH PUSH BUTTON CONTROLS Lincoln Foodservice Products, LLC 1111 North Hadley Road Fort Wayne, Indiana 46804 United States of America Phone : (800) 374-3004 U.S. Fax: (888) 790-8193 • Int’l Fax: (260) 436-0735...
- Page 2 MODEL 1421-000-E POWER SUPPLY CONTROL BOX AUTO COOL DOWN MAIN FAN CIRCUIT HEAT CIRCUIT TEMPERATURE CONTROL CONVEYOR DRIVE IMPINGER ADVANTAGE SERIAL NUMBER N28654 AND ABOVE (OVENS WITH PUSH BUTTON CONTROLS) 230/400 VAC 50 HZ. Electrical power is to be supplied to the oven by a five conductor service.
- Page 3 MODEL 1454 MODEL 1455 POWER SUPPLY CONTROL BOX AUTO COOL DOWN MAIN FAN CIRCUIT HEAT CIRCUIT TEMPERATURE CONTROL CONVEYOR DRIVE Impinger I -–Adv Digital – Electric Service Manual - International IMPINGER ADVANTAGE SERIAL NUMBER N28654 AND ABOVE (OVENS WITH PUSH BUTTON CONTROLS) 220/380VAC 50 HZ.
- Page 4 MODEL 1421-000-E, SERIAL NUMBER N28654 AND ABOVE Impinger I -–Adv Digital – Electric Service Manual - International...
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Page 5: Troubleshooting Guide
SCHEMATIC DIAGRAM MODEL 1454, 1455 SERIAL NUMBER N28654 AND ABOVE TROUBLESHOOTING GUIDE Impinger I -–Adv Digital – Electric Service Manual - International... - Page 6 SYMPTOM POSSIBLE CAUSE Oven fan will not run Incoming power supply Fuse, 10 Amp Fuse holder Thermostat, control box hi-limit Switch, oven power Motor, main fan No control box cooling Incoming power supply Fuse, 10 Amp Fuse holder Switch, oven power Cooling fan No automatic control Incoming power supply...
- Page 7 Oven control Contactor, hi-limit (Model 1421-000-E only) Thermocouple Oven control Thermocouple Oven control Heat contactor Intermittent heating Thermal/overload of main fan motor Conveyor will not run Incoming power supply Impinger I -–Adv Digital – Electric Service Manual - International 24VAC at transformer secondary. If there is primary voltage, but no secondary voltage, replace control transformer.
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Page 8: Removal, Installation & Adjustments
Fuse, 10 Amp Fuse holder Switch, oven power Control transformer Conveyor motor Capacitor, conveyor motor Switch, conveyor reversing Oven control Conveyor motor runs, NOTE: Display will indicate but there is no speed “BELT JAM” display Oven control Conveyor motor Oven control BEFORE REMOVING OR INSTALLING ANY COMPONENT IN THE IMPINGER OVEN BE SURE TO DISCONNECT ELECTRICAL POWER AND GAS SUPPLY plug to be sure it is firmly in receptacle. - Page 9 MOTOR, MAIN FAN - REPLACEMENT 1. Shut off power at main breaker. 2. Remove louvered motor cover from back of oven. 3. Remove wireway by taking out the (5) five hex screws. 4. Disconnect wiring from motor. 5. Remove the twelve (12) hex head bolts from the oven back and slide back straight out of the oven. 6.
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Page 10: Air Pressure Switch - Replacement
THERMOSTAT, OVEN CAVITY HI-LIMIT – REPLACEMENT 1. Shut off power at main breaker. 2. Remove control box cover and front panel. Remove conveyor assembly and fingers from oven to aid in removal of thermostat from oven. 3. Disconnect wires from thermostat and mark for reassembly. 4. - Page 11 1. Shut power off at main breaker. 2. Remove control panel top and front cover. 3. Remove two (2) wires on primary side, note color and location. 4. Remove two (2) wires on secondary side, note color and location. 5. Remove two (2) screws from transformer base and replace assembly. 6.
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Page 12: Heating Element - Replacement
Reassemble in reverse order and check system operation. Set the oven control for the proper operating mode. The 1400 series ovens use a single temperature control system. The oven control must be set to the proper operating mode. Set the control as follows: With the oven power switch “off”, depress the “time”... - Page 13 THERMOSTAT, CONTROL BOX HI-LIMIT – REPLACEMENT 1. Shut off power at main breaker. 2. Remove control box cover and front panel. 3. Remove wiring from thermostat and mark for reassembly. 4. Remove mounting screws and remove thermostat. 5. Reassemble in reverse order and check system operation. NOTE: Be sure to press reset button on new thermostat to set for operation.
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Page 14: Advantage Series
LETTER ADVANTAGE SERIES PART NUMBER DESCRIPTION 369003 Door hinge 369110 Access window assembly 369337 Retainer (old style) 369929 Retainer (new style) 369828 Handle spacer 369209 Latch & strike 369310 Screw, 6-32 x 3/16” 369308 Bottom, access window 369334 Access door glass 369309 Top, access window 350638... - Page 15 Impinger I -–Adv Digital – Electric Service Manual - International...
- Page 16 LETTER 1421-000-E, 1454,1455 PART # DESCRIPTION 369066 Sprocket, 10 tooth 370373 Conveyor motor 369507 Thermostat, cooling fan 369025 Air pressure switch 369119 Terminal block 369134 Fuse, 50A 370163 Terminal block, 5 Pole 370387 Filter, EMI 370485 Contactor, mercury 369838 Thermostat, control box hi-limit 357107 Fuse holder 369014...
- Page 17 Impinger I -–Adv Digital – Electric Service Manual - International...
- Page 18 LETTER OVEN BACK ADVANTAGE SERIES GAS AND ELECTRIC PART NUMBER DESCRIPTION 369808 Cover, motor (gas ovens) 370140 Cover, motor (electric ovens) 369214 Motor, main fan (50 Hz.) 369033 Motor clamp 369215 Motor support assembly 369192 Capacitor, 7.5 MFD 369306 Oven back assembly, gas oven 369646 Stand-off 369647...
- Page 19 Impinger I -–Adv Digital – Electric Service Manual - International...
- Page 20 LETTER CONVEYOR 1450 SERIES PART NUMBER DESCRIPTION 369830 Complete conveyor assembly 369816 Conveyor belt 370092 Conveyor belt, 1 foot section 369825 Retaining ring 369813 Conveyor bearing block 369314 Roll, conveyor, notched 369812 Conveyor idler shaft 369160 Conveyor pan stop 369814 Connecting link 369811 Conveyor drive shaft...
- Page 21 Impinger I -–Adv Digital – Electric Service Manual - International...
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- Page 24 Impinger I -–Adv Digital – Electric Service Manual - International...
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