Lincoln Electric 1621-000-EA Service Manual Download Page 1

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1600AdDgElecExp

REV: 1/8/07

SERVICE MANUAL

(INTERNATIONAL)

IMPINGER CONVEYOR OVENS

MODEL 1621-000-EA, 1628-000-A, 1629-000-A

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

Summary of Contents for 1621-000-EA

Page 1: ...1621 000 EA 1628 000 A 1629 000 A 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...

Page 2: ...the control transformer and the conveyor motor TEMPERATURE CONTROL Closing the oven power switch supplies line voltage through the 10 amp fuse through the oven power relay to the primary of the contro...

Page 3: ...Low Profile 1600 Series Adv Dig Electric S M Int l 3 SCHEMATIC MODEL 1621 000 EA 1628 000 A 1629 000 A...

Page 4: ...the contact of the relay If no voltage is present trace wiring back to power filter If voltage is present at the relay coil check to insure the contacts are closing Replace relay as needed Hi limit t...

Page 5: ...oil If no voltage is present trace wiring back to the oven cavity hi limit thermostat s If voltage is present check to insure contacts are closing Replace contactor as needed Fuse heater 50A Check rep...

Page 6: ...he temperature regulation valve replace the oven control If there is voltage output to the heat relay proceed Oven air pressure switch Check for supply voltage at the air pressure switch if no voltage...

Page 7: ...ply to the primary of the control transformer If no voltage is present trace wiring back to the oven power relay If voltage is present check for 24VAC at the transformer secondary If there is primary...

Page 8: ...effect sensor Measure frequency across the yellow and white wires at the motor connector Frequency readings should be approx 20 525 Hz If these readings are not achieved replace the conveyor motor If...

Page 9: ...nel top and front cover D Disconnect wiring from motor and mark for reassembly E Remove sprocket from motor shaft F Remove 4 screws and remove conveyor motor and mounting bracket G Remove mounting bra...

Page 10: ...control box cover C Remove 2 wires from capacitor note wire number and location WARNING Capacitor has a stored charge discharge before handling or testing D Cut 2 tyraps securing capacitor to base and...

Page 11: ...hroud 3 Make sure all connectors are properly seated and making good contact 4 When reinstalling gas manifold across back of oven check all fittings for leaks L Check system operation allow 30 minute...

Page 12: ...Operating Instructions Manual C Remove conveyor belting from conveyor Remove drive sprocket from drive shaft D Move drive shaft or idle shaft toward end of conveyor and shaft with bearings will now sl...

Page 13: ...d below the Sub Level program can be entered by pressing the two right buttons only 5 Set bake time and oven temperature Set Point Menu A Press and hold the 2 LH buttons to enter Set Point program Onc...

Page 14: ...S N 35950 below 370663 Baffle air return U L S N 35951 above U 370166 Baffle air return U R L L S N 35950 below 370662 Baffle air return U R S N 35951 above V 370168 Finger housing T 1 T 3 B 2 B 4 S...

Page 15: ...Low Profile 1600 Series Adv Dig Electric S M Int l 15 GENERAL VIEW...

Page 16: ...40V K 7004970 Mounting Plate Top L 370251 Top Assembly RH M 7002976 Capacitor Bracket N 369192 Capacitor O 370485 Contactor Mercury 3P P 369368 Thermostat oven cavity hi limit R 357107 Fuse Holder S 3...

Page 17: ...Low Profile 1600 Series Adv Dig Electric S M Int l 17 CONTROL BOX RIGHT VIEW...

Page 18: ...Top 240V F 7004970 Mounting Plate Top G 369767 Firebar Element Bottom 220V 369792 Firebar Element Bottom 230V 369769 Firebar Element Bottom 240V H 7004973 Mounting Plate Bottom I 7006234 Control Box F...

Page 19: ...Low Profile 1600 Series Adv Dig Electric S M Int l 19 CONTROL BOX LEFT VIEW...

Page 20: ...PART DESCRIPTION A 369547 Wire form thermostat bulb B 369725 Fan clockwise rotation C 369776 Fan shroud D 369777 Stand off E 369778 Rear wall assy F 369761 Motor mount G 369759 Motor main fan 220 240...

Page 21: ...Low Profile 1600 Series Adv Dig Electric S M Int l 21 OVEN BACK VIEW...

Page 22: ...14 Roll conveyor notched C 2114003 nut hex D 369812 Conveyor idler shaft E 369160 Conveyor pan stop F 369641 Bracket idle bearing G 369220 Bearing idle H 369005 Connecting link 32 inch wide belt I 369...

Page 23: ...Low Profile 1600 Series Adv Dig Electric S M Int l 23 CONVEYOR VIEW...

Page 24: ...Low Profile 1600 Series Adv Dig Electric S M Int l 24...

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