Frymaster HLZ 18, HLZ 22 service manual Replacing Hi-limit

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9.8 Replacing Hi-limit

a.Follow steps in Accessing plate and air heaters, 9.7.

b.Remove the shield over the air heater

c.Remove the brace on the left side of the base assembly, exposing the wire raceway.

d.Remove the grommets the hi-limit wiring passes through.

e.Remove the existing hi-limit and pull wiring through cabinet.

f.Mount the hi-limit on the the spacers, providing a stand-off from the panel..

g.Push the wires through the raceway toward the transformer on the controller side of the HLZ.

h.Slip the wires from the hi-limit into the area occupied by the transformer.

i.Slip the hi-limit wires into the removed grommets and snap back into place.

j.Plug the black wire leading from pin 1 in the computer plug into the terminal of the hi-limit.

k.Plug the other hi-limit terminal onto the transformer.

l.Ensure all connections are tight.

m.Retie the wiring assembly

n.Replace the brace, which forms the wire raceway.

o.Replace the metal shield over the air heater.

The wires for the hi-limit are routed through the hole used by the RTD wiring. Slip the wires into slot (shown above) and into the hole.

The wire is routed from the air cowling, through the raceway, emerging at the transformer.

p.Clear away the old adhesive holding the heater plate in place.

q.Put the single-back adhesive in place adhesive-side down and position the heater plate.

r.Ensure the heater plate’s ground wire is reconnected.

s.Plug the 15-pin connector into the computer and replace the controller housing.

t.Reassemble unit as described in step 9.9 below.

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

Page 13

 

1-800-24-FRYER

 

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Contents Heated Landing Zone HLZ 18 and HLZ Table of ContentsPage Warranty Statement Parts Ordering and Service InformationModel Number Serial Number Voltage Item Part Number Quantity Needed INSTALLATION/SETUP Heated Landing ZoneOperation Air Heater HLZ MODEL/COMPONENT IdentificationHeater Plate Calibration SocketHLZ Computer Operation and Programming Programming TemperatureOperation D¡ y After 20 minutes of operation No computer display no flow fromAir tower No flow from air towerInterior view of an HLZ Cowl Assembly removed Service InformationReplacing Solid State Relays Replacing Air Thermocouple and Air RTD Probe Opening the Air Delivery TowerAdhesive holding Platen in place more Accessing the Plate and Air HeatersEasier to remove. Heat makesReplacing Hi-limit Apply gasket or sealant along this edge Tests Symptom Faulty or no display Symptom No response to buttonsTests Input power RelaysTest Output powerTransformer Plate Heater RTDLatching Relay Symptom Overheats TestsSymptom Overheats Test Plate HeaterHi-limit Symptom No display on controller

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.
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