Toastmaster AM48, AM36, AM24 manual VI. Calibration of Tiie Potentiometer

Models: AM48 AM24 AM36

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VI. CALIBRATION OF TIIE POTENTIOMETER

A. Ttoubleshooting

Calibrationof thepotentiometeris necessaryonly afterreplacementof thecontrolleror if thecalibra- tionplateshouldbecomejarredloosefrom its factorycalibratedposition.

Theallowabletemperaturerangeof the gdddleis 15CPF(65'C)to 450'F(230.C)for eachzone.Within this temperaturepaftrmeterthetemperatureshouldfluctuateno morethan+14"F(j'C)from the set pointtemperature.

B.Calibrating Procedure

Note:Beforemakinganycalibrationadjustments,thegriddleshouldbeupto temperatureandcycling andall panelsincludingthefrontcontrolpanelmustbein theirclosedposition-Calibratingthegriddle with anyof thepanelsopenwill allow for a coolerjunctiontemperatureattheconnectiorrpoiniofthe thermocoupleat thecontrol. Thismaygive aninaccurateindication. Keepingthe panelsrclosedwill providefor a moreaccuratecalibrationeventhoughthe controldoesprovidean ice point reference (calibration)asindicatedin AppendixA. A goodtvpe K temperatureindicatorsourcemustbeused whentaking temperaturereadingsoff the griddle surfacefor calibrationadjustrnents.Properplace- mentof thethermocoupletestprobeis cmcial.SeeFigure8 for properprobeplacementon thr griddle surface.

Whentakingthetemperatureof thegriddle,thetemperatureprobeshouldbeplacedatthe centerof the griddlesurfaceOFTHAI ZONE. Thetemperatureprobeshouldbehelddownby analuminumweight

with a pieceof hightemperatureinsulation(1000degreesC) betweentheprobeandthe weight. This combinationhelpsto aquirethemostaccuratereadingspossiblewithouttheweightabsorbingtempera- turefrom the probe.

1)Determineif the temperatureof the centerof the griddle surfacefor that zone is more than+14. F(7"C)aboveor belowthesetpointof 350"F(175"C).

For Steps2 -7referto figure9

2)Removethetemperaturecontrolknobto gainaccessto thecalibrationadjustmentscrew.

3)Loosenthe L/2" nut aroundthepotentiometershaftandloosenthe calibrationscrew but do not remove.

4)Turnthescrewin its slotto theleft to lowerthetemperatureor to therightto raisethe temperature.

5)Oncepropercalibrationhasbeenobtained,thecall for heatLED will illuminatewithin 14'F(7'C) undershootandcycleoff within14"F(7'C)of overshoot.

6)Tightenthe calibrationscrewandthe l/2" potentiometernut andpaintthe headof the calibration screwandtheareanextto thescrewwith a tamperproofshellack.

7)Replacethe controlknobmakingsureit alignswith the350'dialindicarormark.

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Toastmaster AM48, AM36, AM24 manual VI. Calibration of Tiie Potentiometer

AM48, AM24, AM36 specifications

Toastmaster AM36, AM24, and AM48 represent a range of versatile and efficient commercial cooking appliances designed for various food preparation needs in professional kitchens. Each model comes equipped with specific features, technologies, and characteristics that cater to distinct culinary environments.

The Toastmaster AM36 is renowned for its exceptional cooking capabilities. With a robust 36-inch cooking surface, it provides ample space for multiple dishes to be cooked simultaneously. This model is perfect for bustling restaurants and catering services, where efficiency and speed are paramount. One of its standout features is the powerful heating elements that provide quick, even heating, ensuring that food is cooked to perfection every time. The AM36 is also designed with user-friendly controls, allowing chefs to easily adjust temperatures and cooking times.

The Toastmaster AM24, while slightly more compact, does not compromise on performance. With a 24-inch cooking surface, it is ideal for smaller kitchens or food trucks. This model incorporates advanced insulation technology that keeps the outer surface cool to the touch, improving safety in the kitchen. The AM24 also features a digital control panel that allows for precise temperature settings, making it suitable for various cooking techniques, from grilling to sautéing. Its lightweight design enhances portability, making it a favorite among mobile food vendors.

Lastly, the Toastmaster AM48 offers the largest cooking surface of the three, measuring 48 inches. This model is a powerhouse, designed for high-volume cooking environments. It is equipped with multiple independently controlled heating zones, enabling chefs to cook different items at varying temperatures simultaneously. The AM48 also features a stainless steel construction, enhancing durability and making it easy to clean after use. Additionally, it is equipped with energy-efficient heating elements that help reduce operational costs without compromising performance.

All three models—AM36, AM24, and AM48—are designed with longevity in mind, constructed with high-quality materials that can withstand the rigors of daily use in a commercial kitchen. Whether it's the expansive cooking area of the AM48, the compact versatility of the AM24, or the balanced performance of the AM36, Toastmaster's range of appliances meets the diverse needs of foodservice operators, ensuring they can deliver exceptional culinary experiences.