Frymaster MJCFEC, FMCFEC, KJ3FC, J65X, JCFX manual Functional Description, Pilot Ignition System

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MASTER JET CF SERIES ATMOSPHERIC GAS FRYERS

CHAPTER 1: SERVICE PROCEDURES

1.1 Functional Description

Master Jet (MJ) CF Series Atmospheric gas fryers contain a welded stainless steel frypot that is directly heated by gas flames that are diffused evenly over its lower surface by ceramic targets.

The flames originate from orifices in a U-shaped burner manifold positioned beneath the frypot. The orifice diameters differ for natural and propane gas as shown in the table below. For altitudes of 2000 feet and greater, contact factory for correct orifice part number.

CF Series Orifice Sizes (0-1999 ft/609 m)

Gas

Inches

Millimeters

Natural

0.055

1.4

Propane

0.035

0.9

Gas flow to the manifold is regulated by an electromechanical gas valve. MJCF Series gas fryers are equipped with millivolt gas valves, and MJCFE Series gas fryers are equipped with 24-volt gas valves. All models use a pilot ignition system.

Pilot Ignition System

The pilot ignition system consists of the pilot orifice, pilot hood, and a thermopile (a thermocouple is also used in CE units per CE requirements). The pilot serves two purposes. The first is to light the burner, the second is to heat the thermopile. In operation, the thermopile is in contact with the pilot flame and generates millivolts. The millivolt output passes through a normally closed high-limit switch and energizes the gas valve pilot coil, which in turn opens the pilot valve. If the pilot flame is extinguished, voltage is lost to the gas valve pilot coil and the pilot valve closes.

On MJCFE models, a separate 24-volt circuit, activated by the fryer On/Off switch, provides voltage through the thermostat or controller to the gas valve main coil, which opens the main valve. The gas valve is constructed so that the main valve will not open if the pilot valve is not open. The pilot flame must be manually lit (either with a

Operating Thermostat

ON/OFF Switch

Gas Valve

Main Valve Magnet

Pilot Magnet

Thermopile

24VAC Transformer

Line Voltage

match or with an optional built-in piezo ignitor) when the fryer is first placed into operation.

High-Limit

Pilot

The Pilot System (24V Circuit, Non-CE).

1-1

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Contents Hour Service Hotline 1-800-551-8633 April Master Jet CF Series Atmospheric Gas FryersPage Computers FCC Master Jet CF Series Atmospheric Gas Fryers Table of Contents Functional Description Pilot Ignition SystemControl Options Thermostats and Temperature Probes Accessing Fryers for Servicing Checking Burner Manifold Gas Pressure CE Standards for Incoming Gas PressuresAdjusting Pilot Flame Cleaning Gas Valve Vent Tube Adjusting Burner Ceramic Target Spacing and AlignmentCalibrating Thermostat Control Replacing Fryer Components Replacing ComputerPage Replacing Temperature Probe Replacing High-Limit Thermostat Computer Controls Page Replacing Melt Cycle Timer Operating Thermostat Controls Disconnect union arrow to remove burner manifold assembly Replacing Burner Ceramic Targets Replacing Pilot Assembly or Thermopile Replacing Frypot Reverse steps 1-22 to reassemble the fryer No pilot flame Troubleshooting and Problem IsolationPilot/Ignition Failures Unreliable flameProblems Related to the GAS AND/OR Electrical Power Supplies Improper Burner Functioning Improper Temperature Control Computer-Related Problems See .8.8 for retrofit informationRecovery Time Filtration Problems Filter Magic Simplified Wiring Diagram Troubleshooting, Millivolt Frying Systems LeakageHigh-limit ROBERTSHAW-UNITROL 7000 System Check Troubleshooting Guides Initial Troubleshooting, Millivolt Frying SystemsFryer Initial Troubleshooting, 24VAC Frying Systems But the switch light isProbe Resistance Chart Problem Probable Cause Corrective ActionWiring Diagrams Mjcf Millivolt Wiring Diagram, Non-CEMjcf Millivolt Wiring Diagram, CE Main VALVE/COIL Generator ThermopileWiring Diagram MjcfeMjcfec 24V Wiring Diagram 12.4FAST-Ready Constant Pilot Filter Magic II Wiring Diagram Filter Pump MotorMaster JET CF Series Atmospheric GAS Fryers Parts List AccessoriesMaster JET CF Series Atmospheric GAS Fryers Parts List Burner Manifold Components For SingleNatural Gas, w/Thermopile use 810-0426 for pilot only Cabinetry Components Fryer CabinetryMaster JET CF Series Atmospheric GAS Fryers Parts List Filter Magic II & Spreader Cabinet Cabinetry Filter Magic & Spreader Cabinet Cabinetry Casters, Legs and Associated Hardware Component Shield, Filter Box Assemblies and Components Component Shield Assemblies No Interface BoardComponent Shield Assemblies With Interface Board Filter Box Assemblies Control Panel Assemblies and Related Components Control Panel Assemblies and Related Components Filtration System Components Filter Magic II Drain Manifold Components1.1 Filter Magic Drain Manifold Components Standard ComponentEuro-Look Drain Manifold Components See page 2-27 for Euro-Look Drain Valve AssembliesAssembly Crumb Screen Not Included Order Separately Filter Magic II Filter Pan Components Outer Pan ComponentsFilter Magic Filter Pan Components Inner Pan Components Assembly Crumb Screen Not Included Order Item #8 Below Oil Return Handle Components Units Built Prior To April Master JET CF Series Atmospheric GAS Fryers Parts List Oil Return Plumbing OIL Return Plumbing Filter Magic II TypicalFilter Pump and Motor Components Standard EURO-LOOK Component PART# Drain Valves and Related Components 106-3760 Valve, Drain Assembly Full Vat Euro-Look Drain Valves and Related Components-Round DrainsPower Shower Components Frypot, High-Limit and Probe Components Frypot, High-Limit and Probe Components Wiring Connectors, Pin Terminals and Power Cords Plan Wiring Diagram KJ3FC Fast-ReadyMaster JET CF Series Atmospheric GAS Fryers Appendix Computer Wiring 3 KFCComputer Wiring Diagram 4 KFCKscf Wiring Diagram w/ Float CE KFC-1 Harness Diagram Transformer/Filter Box Wiring for Fast Computer Parts List KJ3FC Variant KJ3FC Variant Parts List KJ3FC Variant Parts List This page Intentionally Left Blank Service Hotline

JCFX, J65X, J3F, KJ3FC, MJCF specifications

Frymaster, a leading manufacturer of commercial frying equipment, offers a range of fryers tailored to meet the demands of various food service operations. Among their notable products are the FMCFEC, MJCFEC, MJCF, JCFX, and FMCFE models. Each of these fryers is designed with cutting-edge technology, emphasizing efficiency, performance, and ease of use.

The FMCFEC model stands out for its advanced filtration system, which provides exceptional oil management. This feature helps extend the life of cooking oil, delivering consistent frying quality while reducing operational costs. The FMCFEC is equipped with a digital controller that simplifies temperature management, ensuring food is cooked to perfection every time.

The MJCFEC is another remarkable model in Frymaster's lineup, featuring a versatile design suited for quick-service and casual dining establishments. It boasts a compact footprint while still offering a large frying capacity, enabling operators to maximize their output in limited space. Additionally, the MJCFEC incorporates energy-efficient technology, resulting in lower utility bills and a reduced environmental impact.

The MJCF model is geared toward high-volume frying, utilizing a powerful heating system that ensures rapid oil recovery. This fryer's heavy-duty construction enhances durability, making it ideal for busy kitchens where reliability is paramount. The MJCF model also features a straightforward interface, allowing staff to operate it with minimal training.

The JCFX model is designed with flexibility in mind, allowing for customizable frying options. This fryer offers multiple frying baskets and a range of temperature settings, making it suitable for various menu items, from fries to seafood. Its user-friendly digital controls enhance operational efficiency, making it easier for kitchen staff to manage frying times and temperatures.

Lastly, the FMCFE model emphasizes energy savings and oil conservation without sacrificing performance. This fryer incorporates advanced technology to monitor oil quality and usage, allowing operators to optimize their frying processes. The FMCFE's design focuses on safety, with features that minimize the risk of burns and splatters in busy kitchen environments.

In summary, Frymaster’s FMCFEC, MJCFEC, MJCF, JCFX, and FMCFE models reflect the company's commitment to innovation and quality in commercial frying equipment. With their distinctive features, energy efficiency, and user-friendly designs, these fryers are well-suited for a variety of food service applications, providing operators with reliable performance and exceptional results.
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