Lincoln 1600-000-A Power Supply, Control BOX Auto Cool Down, Main FAN Circuit, Burner Circuit

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SEQUENCE OF OPERATIONS / 1600-000-A, 1601-000-A

SERIAL NUMBERS L28563 and ABOVE

(with push button control)

MODEL 1600-000-A / 120 VAC / 60 HZ / NATURAL GAS

MODEL 1601-000-A / 120 VAC / 60 HZ / L.P. GAS

POWER SUPPLY

Electrical power to be supplied to the oven by a three conductor cordset. Voltage from

 

the black conductor to the white conductor to be 120 VAC.

 

 

 

 

 

 

 

White conductor is Neutral.

 

 

 

 

 

 

 

Green conductor is Ground.

 

 

 

 

 

 

CONTROL BOX AUTO

°

±

3

°

F (49

°

C

COOL DOWN

When the temperature in either one of the Control Boxes reaches 120 F

 

 

 

± 1.7° C), the Cooling Fan Thermostats will switch power to the Cooling Fans. The

 

 

 

 

 

 

thermostats will interrupt the power to the Cooling Fans when temperature falls to

 

 

 

100° F ± 3° F (37° C ± 1.7° C).

 

 

 

 

 

 

MAIN FAN CIRCUIT

120 VAC is permanently supplied to the normally open Power Switch, both normally

 

 

open Cooling Fan Thermostats, and one of the normally open contacts of the Power

 

 

Relay. Closing the normally open Power Switch supplies 120 VAC through the Cooling

 

Fan Motor Fuse, and through both normally closed control box Hi-limit Thermostats

 

 

 

energizing the coil of the Oven Power Relay. These normally open contacts now close

 

supplying 120 VAC through the 10 Amp Main Fan Motor Fuse to the two Main Fan

 

 

 

Motors and the two Burner Motors. Power is also supplied to the four cooling fan

 

 

 

motors, the Control Transformer, heat, and conveyor control systems.

 

 

 

 

 

 

BURNER CIRCUIT

Closing the Oven Power Relay supplies 120 VAC to the two burner systems.

 

 

 

 

 

NOTE: This oven utilizes two complete burner systems. The sequence of operations is

 

the same for each system. 120 VAC is supplied through the Centrifugal Switch of the

 

 

Main Fan Motor (this switch closes when the Main Fan reaches approximately 1600

 

 

R.P.M.) through the 10 Amp Fuse, to the Ignition Control, the oven Temperature

 

 

 

Control, and the Burner Transformer. As the Burner Blower reaches approximately

 

 

 

1600 R.P.M., its internal Centrifugal Switch will close, supplying 24 VAC to the Ignition

 

Control. The Ignition Control operates on both 24 VAC and 120 VAC. When the Ignition

 

Control is energized by 24 VAC, 120 VAC is switched to the Hot Surface Igniter for 45

 

seconds for Hot Surface Igniter warm up. The igniter glows red, 24 VAC is switched to

 

the Gas Valve which opens, and ignition should occur. If ignition does not occur in 6

 

 

seconds, the control will lock out. To recycle after lockout, turn the Power Switch off for

 

45 seconds and then turn back on.

 

 

 

 

 

 

TEMPERATURE

When the Centrifugal Switch of the Main Motor Fan closes, power is applied to the

 

 

CONTROL

oven Control. The Oven Control is set to the desired temperature. The thermocouple

 

 

will provide varying millivolts to the Oven Control. The Oven Control supplies 120 VAC

 

to the Temperature Regulation Valve at intermittent intervals to maintain the desired

 

 

temperature. The display on the Oven Control will indicate when the Temperature

 

 

 

Control Valve is energized.

 

 

 

 

 

 

 

NOTE: The display also indicates oven temperature.

 

 

 

 

 

 

CONVEYOR DRIVE

Closing the main Power Switch supplies 120 VAC through the Oven Power Relay to

 

 

the Conveyor Motor and to the primary of the Control Transformer. Secondary voltage,

 

24 VAC, is supplied to the Oven Control. Setting the Control to the desired time outputs

 

voltage through a Reversing Switch to the Conveyor Motor.

 

 

 

 

 

 

 

NOTE: The conveyor system uses a Magnet and a Hall Effect Sensor to prove

 

 

 

operation of the Conveyor Motor. If the Conveyor Motor is not running, “BELT JAM” is

 

indicated on the display.

 

 

 

 

 

 

2

Low Profile – 1600 Series Advantage Digital Service Manual – Domestic

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Contents Impinger Conveyor Ovens Control BOX Auto Cool Down Power SupplyTemperature Main FAN CircuitSchematic Diagram Symptom Possible Cause Evaluation Temperature is not exceeding 140 F 60C, replace thermostat Page With Power on and Thermocouple Attached to Page Conveyor Drive Motor Replacement Burner Blower Motor ReplacementHOT Surface Igniter Replacement CAPACITOR, Conveyor Motor ReplacementTemperature Regulating Valve Replacement Fuseholder ReplacementGAS VALVE, Dual Safety Replacement Reversing Conveyor DirectionON-OFF Switch Power Replacement Main Orifice ReplacementBypass Orifice Replacement Burner Control TRANSFORMER, ReplacementMain FAN Motor Replacement High Limit Thermostat ReplacementCooling FAN Motors Replacement Thermocouple Typek ReplacementOven Control Replacement Temperature Millvolts ApproxBEARING, Conveyor Replacement Thermocouple MeasurmentAdvantage Series Letter DescriptionPage Letter Part Number Description Page Letter Description Page Oven Back Page Conveyor

1601-000-A, 1600-000-A specifications

Lincoln 1601-000-A and Lincoln 1600-000-A are two remarkable models produced by Lincoln, showcasing the brand's commitment to engineering excellence and innovative technology. These models symbolize the pinnacle of automotive design and performance, merging luxurious features with state-of-the-art technology.

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