Scratch Calibration Check, Vwx | Frymaster 819-5432 guide

Scratch Calibration Check

819-5432 specifications

Continued from previous page.

Quarterly

Tools

High-Limit Check (With M2000 Computer only.)

When

Flat blade screwdriver, 7/16" (13 mm) open-end wrench, and multimeter (that measures DC microamps).

8 of 9

1.Turn the fry vat OFF by pressing the button. The computer should display OFF. The computer must be off to enter the programming mode.

2.Enter the programming mode by pressing the button. Code will show in the left

display.

Note: This test can only be conducted with the oil temperature above 180°F. If the shortening/oil temperature is below 180°F, the computer will display too cold.

4.Hi-Limitshows in the right display (left display for left-side split vat).

5. For high-limit test #1, press and hold the right

cook channel button (left

cook

channel button if testing the left side of a split pot).

6.The heat indicator should illuminate, indicating the fryer is calling for heat.

7.The right display will alternate between HI-Limitand the oil/shortening temperature until the temperature reaches 410°F (210°C). At 410°F (210°C), Hi-1is displayed, alternating

with the current temperature. The heat indicator goes out, indicating that the fryer is no longer calling for heat. High-limit test #1 is complete.

8. For high-limit test #2, press and hold the right	2	cook channel button (left	2	cook
	2		2

channel button if testing the left side of a split pot).

9.The right display will alternate between Hi-Limitand the oil/shortening temperature until the mechanical high-limit opens (approximately 425°F (218°C). The right display will then show Hi-2.

10.Failure of high-limit test #2 is indicated by an alternating display of hi-2and bad. Call for service immediately if this occurs.

11.Press to clear the test and turn the computer off.

Caution: If after completing both high-limit tests you find only the second high-limit operates properly, the vat can be used if it is absolutely necessary, but with extreme care. The computer must be replaced immediately after this period of necessity. If the second high-limit does not work, the vat must not be used until the second high-limit has been replaced. If the first high-limit feature activates at less than 410°F (204°C), do not repair or replace the computer or controller unless it interferes with proper cooking. If the second high-limit activates at less than 425°F (218°C), do not replace it unless it prevents you from checking the first high-limit feature.

(Gas Fryers Only) (Should be done by a qualified service person.)

Caution: Portions of fryer will be hot during this scratch calibration.

Note: Conduct this test when fryer will not be needed for about one hour.

1.Contact the local gas company or service agency to check the gas pressure out of the fryer's gas regulator.

Result: Gas pressure must be 3.0" W.C. (76 mm W.C.) natural gas or 8.25" W.C. (210 mm W.C.) propane gas.

Caution: If the pressure does not meet above requirements the fryer gas valve regulator must be adjusted by the service agency to obtain the correct pressure.

819-5432 NOV 05 Card 15

3. Enter the code YZ-

YZ- (9999) to check high-limits for a full vat or right side of split

pot. To test the left side of a split pot, enter the code VWX

VWX (8888).

The Frymaster 819-5432 is a cutting-edge commercial deep fryer designed to enhance the cooking experience for professional kitchens. Renowned for its high efficiency and reliability, this model is perfect for restaurants, food trucks, and other food service establishments that demand consistent results.

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