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SERVICE MANUAL
(DOMESTIC)
IMPINGER CONVEYOR OVENS
MODEL SERIES 1000 - 1200 & 1400
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
1000SeriesSvc REV: 1/5/07
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TABLE OF CONTENTS TABLE OF CONTENTS..............................................................................................................................................2 SEQUENCE OF OPERATIONS 1000/1001/1004/1005/1200/1201/1204/1205 ........................................................3 SEQUENCE OF OPERATIONS 1022 / 1023 / 1202 / 1203 ......................................................................................4 SEQUENCE OF OPERATIONS 1040 / 1041 / 1240 / 1241 ..........
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SEQUENCE OF OPERATIONS 1000/1001/1004/1005/1200/1201/1204/1205 MODEL 1000 - 120/230 VAC - 60HZ - NATURAL GAS MODEL 1001 - 120/230 VAC - 60HZ - L.P. GAS MODEL 1004 - 120/230 VAC - 60HZ - NATURAL GAS MODEL 1005 - 120/230 VAC - 60HZ - L.P. GAS MODEL 1200 - 120/230 VAC - 60HZ - NATURAL GAS/DUAL BELT MODEL 1201 - 120/230 VAC - 60HZ - L.P. GAS/DUAL BELT MODEL 1204 - 120/230 VAC - 60HZ - NATURAL GAS/DUAL BELT MODEL 1205 - 120/230 VAC - 60HZ L.P.GAS/DUAL BELT POWER SUPPLY Electrical Power to
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generator. The tach. generator is a DC voltage generator which supplies a voltage to the DC motor control board and is used as a reference for maintaining a constant conveyor speed. NOTE The 1200 Series Ovens utilize 2 complete conveyor drive systems. TIME TEMP DISPLAY The Time/Temp. Display is energized when the Fan Switch is closed, supplying120 VAC to the primary of the 12.6 volt Transformer The secondary output of the transformer, normally 13 to 14 VAC (depending on input), with a cent
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CONVEYOR DRIVE Closing the Fan Switch and the normally open Conveyor Switch supplies 120 VAC (S/N 100 to 4389) through a 3A Fuse, to the Motor Control Board. AC volts are converted to D.C. volts and are supplied to the Conveyor Motor at board terminals A1 and A2 through a D.P.D.T. Reversing Switch. Adjustment of the Speed Control Potentiometer (500 ohm, 10 turn) will change resistance at terminals S1, S2, and S3 varying the D.C. voltage to the motor. The speed of the Conveyor Motor will inc
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TRANSFORMER (12.6 Upon closure of the Fan Switch, 120 VAC is supplied to the primary of the 12.6 VAC VAC) Transformer. The Transformer steps the voltage down to 12.6 VAC (normally 13 to 14 VAC) with a center tap, and supplies power to the Time/ Temp. Display. The voltage from each leg of the Transformer' s secondary to the center tap should be one half of the secondary voltage. BURNER CIRCUIT Closing the Fan Switch and the normally open Burner Switch supplies 120 VAC through the Air Pressu
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TIME TEMP DISPLAY Closing the Oven Fan Switch supplies 120 VAC, through the Power Transformer, to the primary of the Time/Temp. Transformer. The secondary output of the Transformers, 12.5to 15 VAC with a center tap, is supplies to terminals 1, 2, and3 of the Time/Temp. Display. The display works on a balanced input, and the center tap voltage to each leg must be 1/2 the total reading. Impinger I -–1000 Series Service Manual - Domestic 7
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SCHEMATIC / 1000, 1001 8 Impinger I -–1000 Series Service Manual - Domestic
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SCHEMATIC / 1004, 1005 Impinger I -–1000 Series Service Manual - Domestic 9
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SCHEMATIC / 1022, 1023 – S/N Q19077 & BELOW 10 Impinger I -–1000 Series Service Manual - Domestic
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SCHEMATIC / 1022, 1023 – S/N Q19078 & ABOVE Impinger I -–1000 Series Service Manual - Domestic 11
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SCHEMATIC / 1040, 1041 – S/N Q14279 & BELOW 12 Impinger I -–1000 Series Service Manual - Domestic
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SCHEMATIC / 1040, 1041 – S/N Q14280 & ABOVE Impinger I -–1000 Series Service Manual - Domestic 13
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SCHEMATIC / 1200, 1201 14 Impinger I -–1000 Series Service Manual - Domestic
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SCHEMATIC / 1202, 1203 S/N Q14790 & BELOW Impinger I -–1000 Series Service Manual - Domestic 15
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SCHEMATIC / 1202, 1203 S/N Q14791 & ABOVE 16 Impinger I -–1000 Series Service Manual - Domestic
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SCHEMATIC / 1204, 1205 Impinger I -–1000 Series Service Manual - Domestic 17
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SCHEMATIC / 1240, 1241 – S/N Q14279 & BELOW 18 Impinger I -–1000 Series Service Manual - Domestic
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SCHEMATIC / 1240, 1241 – S/N Q14280 & ABOVE Impinger I -–1000 Series Service Manual - Domestic 19
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TROUBLESHOOTING GUIDE 1000 & 1200 GAS OVENS SYMPTOM POSSIBLE CAUSE EVALUATION Oven fan will not run Incoming Power Supply Check breakers/ Reset if required / Call Power Co. if needed. NOTE: (Export Ovens) For some export ovens, there is a control circuit step-down transformer. This transformer steps down supply voltage to 120 VAC. If main fan will not run, the secondary of this transformer must be checked for 120 VAC output. Check specific oven model schematic for circuit location.
