Frymaster 1824/2424G Installation & Operation Manual
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Frymaster 1824/2424G Installation & Operation Manual

Frymaster 1824/2424G Installation & Operation Manual

Ljs 24g series flatbottom gas fryers systems with built-in filtration
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Download this manual See also: Service & Parts Manual
Models 1824G, 2424G and 1824/2424G
Systems with Built-In Filtration
Frymaster/Dean, a member of the Commercial Food Equipment Service Association,
recommends using CFESA Certified Technicians.
24-Hour Service Hotline 1-800-551-8633
MARCH 2004
PRINTED IN THE USA
*8195758*

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  • Page 1 Models 1824G, 2424G and 1824/2424G Systems with Built-In Filtration Frymaster/Dean, a member of the Commercial Food Equipment Service Association, recommends using CFESA Certified Technicians. 24-Hour Service Hotline 1-800-551-8633 MARCH 2004 PRINTED IN THE USA *8195758*...
  • Page 2 DIRECTLY FROM FRYMASTER/DEAN, OR ANY OF ITS AUTHORIZED SERVICE CENTERS, AND/OR THE PART BEING USED IS MODIFIED FROM ITS ORIGINAL CONFIGURATION, THIS WARRANTY WILL BE VOID. FURTHER, FRYMASTER/DEAN AND ITS AFFILIATES WILL NOT BE LIABLE FOR ANY CLAIMS, DAMAGES OR EXPENSES INCURRED BY THE CUSTOMER WHICH ARISE DIRECTLY OR INDIRECTLY, IN WHOLE OR IN PART, DUE TO THE INSTALLATION OF ANY MODIFIED PART AND/OR PART RECEIVED FROM AN UNAUTHORIZED SERVICE CENTER.
  • Page 3 The front ledge of the fryer is not a step. Do not stand on the fryer. Serious injury can result Drawings and photos used in this manual are intended to illustrate operational, cleaning and technical procedures and may not conform to on-site management operational procedures.

  • Page 4: Table Of Contents

    LJS 24G Series Flatbottom Gas Fryers INSTALLATION & OPERATION MANUAL DESCRIPTION AND SPECIFICATIONS PRE-INSTALLATION INSTALLATION INSTRUCTIONS INITIAL STARTUP DAILY OPERATION PREVENTATIVE MAINTENANCE TROUBLESHOOTING TABLE OF CONTENTS Page #...

  • Page 5: Operating Controls

    LJS 24G SERIES FLATBOTTOM GAS FRYERS CHAPTER 1: DESCRIPTION AND SPECIFICATIONS The LJS 24G Series gas fryers are energy-efficient, gas-fired units, design-certified by the American Gas Association and the National Sanitation Foundation, and manufactured to their basic performance and application specifications. All units are shipped completely assembled, with all accessories packed inside the frypot.

  • Page 6: After Purchase

    Factory Authorized Service Center. Factory address and phone numbers are on the rear cover of this manual. 1.5 AFTER PURCHASE In order to improve service, have the following chart filled in by the Frymaster Authorized Service Technician who installed this equipment. Authorized...

  • Page 7: Computer Information

    1.7 COMPUTER INFORMATION This equipment has been tested and found to comply with the limits for a Class A digital device, pursuant to Part 15 of the FCC rules. While this device is a verified Class A device, it has been shown to meet the Class B limits.

  • Page 8: Service Personnel

    Frymaster/Dean to perform service on Frymaster/Dean equipment. All authorized service personnel are required to be equipped with a complete set of service parts manuals and stock a minimum amount of parts for Frymaster/Dean equipment. A list of Frymaster/Dean Factory Authorized Service Centers (FASCs) was included with the fryer when shipped from the factory.

  • Page 9: Chapter 2: Pre-Installation

    Installation must be accomplished in accordance with all applicable state and local codes, with special attention to the following standards: A. The fryer and its individual shut-off valve must be disconnected from the gas supply piping system during any pressure testing of that system at pressures in excess of 1/2 PSI.

  • Page 10: Air Supply And Ventilation

    If pilot or burner problems arise or persist, alteration of air movement patterns will be required. B. Do not place the flue outlet of the fryer directly into the plenum of the hood; fryer gas combustion will be affected.

  • Page 11: Chapter 3: Installation Instructions

    Systems ordered with optional casters come with casters installed. 3.3 POSITIONING Do not push against any of the edges of the unit to adjust its position. Lift fryer slightly and place it where it is to be installed. Although all metal parts are deburred during manufacture, accidents could occur if the fryer (or a lineup) should move suddenly when being pushed into position by hand.

  • Page 12: Gas Connection

    Disconnect the fryer/individual shut-off valve from the main gas supply when pressure testing systems in excess of 1/2" PSI (3.45 kPa). When pressure-testing systems equal to or less than 1/2" PSI (3.45 kPa), isolate the fryer by closing the manual control valve prior to testing. 3.5.3 Gas Valve/Orifice Configuration LJS 24G Series gas fryers can be connected to either natural or propane gas, depending on the configuration.

  • Page 13: Electrical Connections

    3.6 ELECTRICAL CONNECTIONS The wiring diagram is attached to the inside of the fryer door. Wiring diagrams are also included in this manual for reference. Always consult the wiring diagram mounted on the fryer when troubleshooting or repairing the fryer. LJS 24G Series gas fryers require 120 volts, and are equipped with a 16-3 SJT grounded flexible power cord for direct connection to a 120-volt power supply.

  • Page 14: System Installation Instructions

    3.7 SYSTEM INSTALLATION INSTRUCTIONS 1. This system consists of a 2424G fryer with a built-in filter and an additional fryer that will be attached to it. The additional fryer may be a 24G, an 1824G or a 2424G. If the additional fryer is an 1824G, the 18- inch frypot must be in the outside position, as shown in the illustration below.
  • Page 15 7. With the cabinets together, carefully slide the drainpipe into the slip-nut as far as it will go. Shine a flashlight down the drain of the fryer with the filter and slowly pull the drainpipe back out of the slip-nut until its end can no longer be seen.
  • Page 16 (if a filter screen is used, thoroughly wash the assembly, dry completely and return to the pan). The frying system is ready for operation. 14. If the unit is supplied with an Over-The-Fryer Crumb Dump, install in accordance with the illustration below.

  • Page 17: Chapter 4: Startup And Operating Procedures

    (remove temperature sensor guard prior to cleaning frypot) as outlined in Section 4.4.1, Boil-Out Procedure. (In KFC co-branded locations, do not boil out the fryer. Use the KFC-approved procedure for cleaning the frypot.) Wash any accessories shipped with the unit in hot, soapy water to remove remaining residue.

  • Page 18: 4.2 Initial Startup

    Gas component adjustments after receiving the fryer should be performed by authorized service personnel. Gas component adjustments are the responsibility of the customer and/or dealer and are not covered by the Frymaster/Dean warranty.
  • Page 19 Tighten the shutter screw, and repeat for all burners. The flame should be straight and not pulling to the rear of the fryer. If the flame is pulling to the rear, inspect the main rear baffle for heat damage and replace if necessary.
  • Page 20 4.4.1 Boil Out Procedure (Non-KFC Co-Branded Locations Only) 1. Turn off the fryer and drain the shortening from the fryer in accordance with filtering instructions. 2. Remove the Sensor Probe Guard (Figure 1, Page 4-1) and place it in the bottom of the fryer during boil-out.
  • Page 21 WILL OCCUR AND ALL APPLICABLE WARRANTIES WILL BE VOIDED. 10. Refill the frypot with clean water. Add 16 ounces of white vinegar, turn fryer on and bring solution to a simmer. Brush the sides and bottom of the frypot to remove boil-out residue. Turn the fryer off and drain the solution as discussed in Step 9.

  • Page 22: Final Preparation

    Before starting operation, turn the Thermatron controller to the desired shortening temperature, wait for the temperature to stabilize, and then check with a high-quality immersion thermometer. WARNING NEVER MOVE A FRYER FILLED WITH HOT LIQUID. DO NOT GO NEAR THE AREA DIRECTLY OVER THE FLUE OUTLET WHEN THE MAIN BURNERS ARE OPERATING.

  • Page 23: Chapter 5: Daily Operation/Filtration

    5.2 GENERAL OPERATIONS STATEMENT See the LJS Operations Manual for operating instructions prior to using the LJS 24G Series gas fryer. Operating instructions in this chapter are intended for temporary use as a guide in absence of the LJS Operations Manual.

  • Page 24: Filter Preparation

    5.4 FILTER PREPARATION 1. Assemble the filter pan, ensuring all components are clean and dry. When assembling the filter pan, follow LJS Operations: Shortening – Filtering, or the following in absence of LJS instructions: 2. Remove filter-pan lid. 3. Place the filter leaf assembly in the bottom of the filter pan.
  • Page 25 5.4 FILTER PREPARATION (cont.) 5. Place the crumb tray inside filter pan, in the proper position. 6. Replace the filter pan lid. Ensure pick-up tube emerges through hole in pan lid. 7. Ensure filter system hose connection is properly attached to the filter leaf connection prior to activating filter pump.

  • Page 26: Filtering Instructions

    ARE MADE AWARE OF THE INHERENT DANGERS OF OPERATING A HOT OIL FILTER SYSTEM, PARTICULARLY ASPECTS OF OIL FILTRATION, DRAINING, AND The Flatbottom 24G Fryer System is equipped with the Under Fryer Filter (UFF). For optimum system performance, do the following: a.

  • Page 27: Filter Operation

    Filter Preparation, pages 5-2 – 5-3. 5.6 FILTER OPERATION 1. Turn the fryer OFF and allow the oil to cool for a minimum of 10 minutes before draining oil into filter pan. 2. Immediately before draining, use correct straining method to collect large debris suspended in oil.
  • Page 28 8. Close the fryer drain valve. The frypot will begin to fill. 9. Allow the filter to pump bubbles into the fryer for 15-30 seconds to clear the oil return lines. 10. Close the oil-return handle to shut filter pump off.
  • Page 29 5.6 FILTER OPERATION (cont.) NOTE: If using solid shortening, ensure the oil-return lines are clear before turning off the pump motor. Hang all flexible hoses up to drain after filtration is complete. Failure to due so increases the likelihood of solidified shortening clogging the lines. 11.
  • Page 30 5.7 Disassembling/Assembling and Cleaning the Magnum Filter Leaf LJS 24G Series fryers with UFF filtration come equipped with a filter leaf, which eliminates the need for filter paper. The filter leaf requires specific cleaning and assembly procedures. In the absence of cleaning and disassembly/reassembly instructions shipped with the filter leaf, use the following procedure: 5.7.1 Filter Leaf Disassembly/Assembly...
  • Page 31 Turn the manual valve on the incoming service line or combination gas valve to "OFF". Disconnect any power cords from the wall sockets or turn off the circuit breakers. SEE SECTION 4 FOR INITIAL STARTUP AND FRYER OPERATION procedure.

  • Page 32: Filter Troubleshooting

    Pumping is erratic. Oil not being returned to frypot. After filtering, fryer does not operate properly. Return valve not fully open. Tripped circuit breaker. Incorrect or no line voltage. Failed return valve microswitch. Allow motor to cool for at least 45 minutes and then press thermal overload switch on motor.

  • Page 33: Chapter 6: Preventative Maintenance

    Remove and wash all removable parts in hot, soapy water. Rinse in clean water and dry thoroughly. Clean all exterior surfaces of the fryer cabinet. DO NOT USE ABRASIVE CLEANSERS, STEEL WOOL OR OTHER ABRASIVE MATERIAL TO CLEAN STAINLESS STEEL. See Section 6.5 for stainless steel care.
  • Page 34 6.4 Periodic The fryer should be inspected and adjusted periodically by qualified service personnel as part of a regular kitchen maintenance program. Frymaster/Dean recommends that the fryer be inspected at least annually by a Factory Authorized Service Technician as follows: •...

  • Page 35: Stainless Steel Care

    Verify that the filter pan is properly prepared for filtering. After heating the oil to operating temperature [~350°F (177°C)], turn fryer off and allow frypot to cool for 10 minutes. Drain the oil into the filter pan and close the frypot drain valve. Place the oil return handle in the "ON"...
  • Page 36 THIS PAGE INTENTIONALLY LEFT BLANK.

  • Page 37: Pilot Burner Malfunctions

    LJS 24G SERIES FLATBOTTOM GAS FRYERS CHAPTER 7: TROUBLESHOOTING FACTORY APPROVAL MUST BE OBTAINED PRIOR TO ANY WARRANTY WORK BEING DONE OR DEAN CANNOT BE HELD RESPONSIBLE. The following procedures must be performed by Factory Authorized Service Technicians, and are provided as an aid to expedite troubleshooting and repair of LJS 24G Series frying systems.

  • Page 38: Main Burner Malfunctions

    The fryer’s indicator lights serve a diagnostic purpose. All lights are lit when the fryer is working properly. (The green light on the control panel will cycle on and off as the fryer calls for heat). Use the following procedures to isolate problems indicated by light combinations. Lighting sequences not listed are beyond the scope of operator correction;...

  • Page 39: Thermatron Controller Calibration

    Ensure that electricity is available to the fryer. Replace fuse. If fuse continues to blow, contact a Factory Authorized Service Center. If fryer does not function after resetting the reset switch, contact a Factory Authorized Service Center for assistance.

  • Page 40: Wiring Diagrams

    7.5 WIRING DIAGRAMS 7.5.1 LJS 2424GTI With Drain Safety Switch and Boil Out LIGHT THERMOCOUPLE THERMOCOUPLE...
  • Page 41 7.5.2 KFC 2424GTI With Drain Safety Switch, Boil-Out Disabled...
  • Page 42 7.5.3 2424GTI Oil Return/Filter System...
  • Page 43 THIS PAGE INTENTIONALLY LEFT BLANK.
  • Page 44 Frymaster/Dean, 8700 Line Avenue, PO Box 51000, Shreveport, Louisiana 71135-1000 Shipping Address: 8700 Line Avenue, Shreveport, Louisiana 71106 TEL 1-318-865-1711 FAX (Parts) 1-318-688-2200 FAX (Tech Support) 1-318-219-7135 SERVICE HOTLINE 819-5758 PRINTED IN THE UNITED STATES 1-800-551-8633 MARCH 2004...

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