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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 1/30/08
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Summary of Contents for Lincoln Impinger Conveyor Ovens 1421-000-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...
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Page 2: Sequence Of Operation
MODEL 1421-000-E POWER SUPPLY CONTROL BOX AUTO COOL DOWN MAIN FAN CIRCUIT HEAT CIRCUIT TEMPERATURE CONTROL CONVEYOR DRIVE SEQUENCE OF OPERATION 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 SEQUENCE OF OPERATION IMPINGER ADVANTAGE SERIAL NUMBER N28654 AND ABOVE (OVENS WITH PUSH BUTTON CONTROLS) 220/380VAC 50 HZ.
- Page 4 SCHEMATIC DIAGRAM MODEL 1421-000-E, SERIAL NUMBER N28654 AND ABOVE Impinger I -–Adv Digital – Electric Service Manual - International...
- Page 5 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.
- Page 8 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.
- Page 10 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 CONTROL TRANSFORMER - REPLACEMENT 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.
- Page 12 (included with the oven control) by pushing the extensions onto the four set buttons on control. 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.
- 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.
- Page 14 LETTER GENERAL VIEW 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...
- Page 15 Impinger I -–Adv Digital – Electric Service Manual - International...
- Page 16 LETTER CONTROL BOX 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...
- 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...
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Page 20: Conveyor 1450 Series
LETTER CONVEYOR 1450 SERIES PART NUMBER DESCRIPTION 369830 Complete conveyor assembly 369816 Conveyor belt, 30” Wide 370092 Conveyor belt, 1 ft. section, 30” Wide 369163 Conveyor Belt, 32” Wide (units mfg after 10/2003) Conveyor Belt, 1 ft. section, 32” Wide 369362 (units mfg after 10/2003) 369825... - Page 21 Impinger I -–Adv Digital – Electric Service Manual - International...
- Page 22 This page intentionally left blank. Impinger I -–Adv Digital – Electric Service Manual - International...
- Page 23 This page intentionally left blank. Impinger I -–Adv Digital – Electric Service Manual - International...
- Page 24 Lincoln Foodservice Products, LLC 1111 North Hadley Road Fort Wayne, Indiana 46804 United States of America Telephone: (260) 459-8200 U.S. Facsimile: (888) 790-8193 Int’l Facsimile: (260) 436-0735 Technical Service Hotline: (800) 678-9511 www.lincolnfp.com Impinger I -–Adv Digital – Electric Service Manual - International...
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