Frymaster HLZ 22, HLZ 18 service manual Hi-limit, Symptom No display on controller

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Remove power from unit. On 208V units, disconnect black and white wires connecting blower to heat and latching relays. The resistance between the wires should be between 55 and 65 ohms.

Remove power from unit. On 240V units, disconnect red and white wires connecting blower to heat and latching relays. The resistance between the wires should be between 62 and 72 ohms.

10.10 Hi-limit

Symptom: No display on controller.

Test:

The hi-limit is in the 12-volt output from the transformer. Remove power from unit. Disconnect the white braided lead from the wire leading from pin 1 on the computer plug. Disconnect the white braided lead from the 12-volt side of the transformer. Check continuity in the hi-limit circuit.

11 Wiring Diagram

Frymaster L.L.C., 8700 Line Avenue 71106, P.O. Box 51000, Shreveport, Louisiana 71135-1000

318-865-1711 FAX 318-862-2394

Printed in the United States

Service Hotline

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1-800-24-FRYER

 

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Contents Table of Contents Heated Landing Zone HLZ 18 and HLZPage Model Number Serial Number Voltage Item Part Number Warranty StatementParts Ordering and Service Information Quantity Needed Operation INSTALLATION/SETUPHeated Landing Zone HLZ MODEL/COMPONENT Identification Heater PlateCalibration Socket Air HeaterProgramming Temperature HLZ Computer Operation and ProgrammingOperation D¡ y No computer display no flow from Air towerNo flow from air tower After 20 minutes of operationService Information Interior view of an HLZ Cowl Assembly removedReplacing Solid State Relays Opening the Air Delivery Tower Replacing Air Thermocouple and Air RTD ProbeAccessing the Plate and Air Heaters Easier to remove.Heat makes Adhesive holding Platen in place moreReplacing Hi-limit Apply gasket or sealant along this edge Symptom Faulty or no display Symptom No response to buttons Tests Input powerRelays TestsOutput power TransformerPlate Heater RTD TestSymptom Overheats Tests Symptom Overheats TestPlate Heater Latching RelaySymptom No display on controller Hi-limit

HLZ 18, HLZ 22 specifications

The Frymaster HLZ series, specifically the HLZ 18 and HLZ 22, represents the forefront of commercial frying technology, designed to meet the needs of various food service establishments, from restaurants to food trucks. Both models bring outstanding features and innovative technologies that enhance cooking efficiency, food quality, and user convenience.

The HLZ 18 has a frying capacity of 18 pounds of oil, while the HLZ 22 can hold up to 22 pounds, making them ideal for high-volume operations. One of the standout features of these models is their Advanced Oil Management System, which optimizes oil life and quality, ensuring that food maintains its flavor while reducing operational costs. This system helps in tracking oil usage and alerts users when it’s time to filter or replace oil, significantly extending the life of the cooking oil and providing cost savings.

Both fryers are equipped with a state-of-the-art digital controller that offers precise temperature settings and customizable cooking timers. This technology ensures perfectly cooked foods every time, catering to various cooking needs from frying chicken to making perfectly golden fries. The electronic control system also features a built-in boil-out cycle, simplifying the cleaning process, which is critical in maintaining hygiene standards in commercial kitchens.

In terms of safety, the HLZ series incorporates an innovative cool zone design that prevents food debris from burning, further enhancing food quality and simplifying the cleanup process. The added filtration system not only enhances performance but also decreases the likelihood of cross-contamination, making the cooking process more hygienic.

The HLZ 18 and HLZ 22 are built with durability in mind. Their stainless steel construction not only adds to their aesthetic appeal but also ensures longevity and ease of maintenance. Heat is evenly distributed within the fryers, thanks to their efficient heating elements, which leads to shorter cooking times and more consistent results.

Both models support various frying baskets, allowing users to customize their cooking setup according to the menu demands. This versatility makes them suitable for establishments that require flexibility in their food offerings.

In conclusion, Frymaster’s HLZ 18 and HLZ 22 fryers blend innovation with practicality, providing a superior frying experience. Their advanced features and technologies are tailored for efficiency, safety, and quality, making them an excellent choice for any commercial kitchen looking to optimize their frying operations. With these fryers, food service professionals can expect not only enhanced productivity but also a significant improvement in the quality of their fried food offerings.