24G Series Flatbottom Gas Fryers Installation & Operation Manual Models 1824G & 2424G NON-CE & Dean, a member of the Commercial Food Equipment Service Association, recommends using CFESA Certified Technicians.
Please read all sections of this manual and retain for future reference. NOTICE This appliance is intended for professional use only and is to be operated by qualified personnel only. A Dean Factory Authorized Service Center (FASC) or other qualified professional should perform installation, maintenance, and repairs. Installation, maintenance, or repairs by unqualified personnel may void the manufacturer’s warranty.
DANGER The front ledge of the fryer is not a step. Do not stand on the fryer. Serious injury can result from slips or contact with the hot oil. DANGER Do not store or use gasoline or other flammable vapors and liquids in the vicinity of this or any other cooking appliance. DANGER Instructions explaining procedures to be followed MUST be posted in a prominent location in the event the operator detects a gas leak. This information can be obtained from the local gas company or gas supplier.
24G Series Flatbottom Gas Fryers Installation & Operation Manual TABLE OF CONTENTS Page # 1. INTRODUCTION 1-1 1.1 Applicability and Validity 1-1 1.2 Ordering Parts 1-1 1.3 Service Information 1-1 1.4 Safety Information 1-2 1.5 Service Personnel 1-2 2. IMPORTANT INFORMATION 2-1 2.1 Receiving and Unpacking Equipment 2-1 2.2 General 2-1 2.3 Principles of Operation 2-3 2.4 Rating Plate 2-3 2.5 Pre-Installation 2-4 2.6 Equipment Installed at High Altitudes 2-5 2.
24G Series Flatbottom Gas Fryers Installation & Operation Manual TABLE OF CONTENTS (CONT.) Page # 4. FRYER OPERATIONS 4-1 4.1 Initial Start-up 4-1 4.2 Boil-Out Procedure 4-5 4.3 Final Preparation 4-7 5. CONTROLLER OPERATION 5-1 5.1 Operating Fryers with Thermatron Controllers 5-1 6. PREVENTATIVE MAINTENANCE 6-1 6.1 General 6-1 7. TROUBLESHOOTING 7-1 7.1 Pilot Burner Malfunction 7-1 7.2 Main Burner Malfunctions 7-2 7.3 Thermatron Controller Calibration 7-3 7.
24G SERIES FLATBOTTOM GAS FRYERS CHAPTER 1: INTRODUCTION 1.1 Applicability and Validity The Dean 24G Series Flatbottom gas model family has been approved by the European Union (EU) for sale and installation in all EU countries. This manual is applicable to and valid for all Dean 24G Flatbottom gas units sold in Englishspeaking countries, including those in the European Union.
24G SERIES FLATBOTTOM GAS FRYERS CHAPTER 1: INTRODUCTION 1.4 Safety Information Before attempting to operate your unit, read the instructions in this manual thoroughly. Throughout this manual, you will find notations enclosed in double-bordered boxes similar to the ones below. CAUTION CAUTION boxes contain information about actions or conditions that may cause or result in a malfunction of your system.
24G SERIES FLATBOTTOM GAS FRYERS CHAPTER 1: INTRODUCTION 1.5.1 Definitions (cont.) C. Qualified Service Personnel 1. Qualified service personnel are those who are familiar with Dean equipment and have been authorized by Dean to perform service on 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 Dean equipment.
24G SERIES FLATBOTTOM GAS FRYERS CHAPTER 2: IMPORTANT INFORMATION 2.1 Receiving and Unpacking Equipment A. Check that the container is upright. Use an outward prying motion - no hammering - to remove the carton. Unpack the fryer carefully and remove all accessories from the carton. Do not discard or misplace accessories. They will be needed. B. After unpacking, immediately check the equipment for visible signs of shipping damage.
24G SERIES FLATBOTTOM GAS FRYERS CHAPTER 2: IMPORTANT INFORMATION 2.2 General (cont.) Where conflicts exist between instructions and information in this manual and local code or national codes, or regulations, installation and operation shall comply with the codes or regulations in force in the country in which the equipment is installed.
24G SERIES FLATBOTTOM GAS FRYERS CHAPTER 2: IMPORTANT INFORMATION 2.3 Principles of Operation The frypot is constructed of welded steel with heat transfer ducting on the frypot-bottom for efficient heating of oil without scorching. Base units come equipped with painted cabinetry or optional stainless steel. Base units come equipped with 6-inch (15-cm) adjustable legs or optional 5-inch (13-cm) casters. Multiple units come equipped with casters.
24G SERIES FLATBOTTOM GAS FRYERS CHAPTER 2: IMPORTANT INFORMATION 2.5 Pre-Installation DANGER No structural material on the fryer should be altered or removed to accommodate placement of the fryer under a hood. Questions? Call the Frymaster/Dean Service Hotline at 1-800-551-8633. DANGER Do not connect this appliance to the gas supply before reviewing all information in this chapter. A. General: Only licensed personnel (as defined in Section 1.5) should install any gas-fired equipment. 1.
24G SERIES FLATBOTTOM GAS FRYERS CHAPTER 2: IMPORTANT INFORMATION C. Installation Standards 1. CE/EXPORT STANDARDS: Fryer installation must conform with local codes, or in the absence of local codes, to the appropriate National or European Community (CE) standards. 2. NON-CE INSTALLATION STANDARDS: Fryer installation must conform with local codes, or in the absence of local codes, to the appropriate national standards as listed below: a. U.S. installations must meet: b.
24G SERIES FLATBOTTOM GAS FRYERS CHAPTER 2: IMPORTANT INFORMATION 2.7 Air Supply and Ventilation DANGER This appliance must be installed with sufficient ventilation to prevent the occurrence of unacceptable concentrations of substances harmful to the health of personnel in the room in which it is installed. 1. Keep the area around the fryer clear to prevent obstruction of combustion and ventilation airflow. 2. Do not connect this fryer to an exhaust duct. 3.
24G SERIES FLATBOTTOM GAS FRYERS CHAPTER 2: IMPORTANT INFORMATION 2.8 Conversion of Units (CE Systems) Pressure: 1 mbar = 10,2 mm W.C. = 0,4-inch W.C. 20 mbar = 204 mm W.C. = 8-inch W.C. 1-inch W.C. = 25,4 mm W.C.
24G SERIES FLATBOTTOM GAS FRYERS CHAPTER 3: INSTALLATION INSTRUCTIONS 3.1 Installing the Fryer A. Initial Installation: If installed with legs, do not push against the fryer’s side to adjust its position. Use a pallet or lift jack to lift the fryer slightly and place it where it is to be installed. B. Relocating the Fryer: If relocating a fryer installed with legs, remove all weight from each leg before moving.
24G SERIES FLATBOTTOM GAS FRYERS CHAPTER 3: INSTALLATION INSTRUCTIONS 3.2 Leg and Caster Installation (cont.) B. Leg and Rigid Caster Installation 1. Remove unit from pallet. 2. Carefully raise the unit with a forklift, pallet jack, or other steady means. Ensure the weight is evenly distributed to avoid damaging the channel assemblies. 3. Place one lock washer on each hex head screw. 4.
24G SERIES FLATBOTTOM GAS FRYERS CHAPTER 3: INSTALLATION INSTRUCTIONS 3.3 Leveling the Fryer (cont.) Rigid Casters (Only) 1. Install the rigid casters on the fryer rear channel only. Legs must be installed on the front channel. 2. There are no level adjustments for the rigid casters. B. If the floor is uneven or has a decided slope, place the fryer on a level platform. C. If the fryer is moved, re-level the fryer following the instructions given in Steps 3.3, A-B. D.
24G SERIES FLATBOTTOM GAS FRYERS CHAPTER 3: INSTALLATION INSTRUCTIONS 3.3 Leveling the Fryer (cont.) NOTE: The installation must be inspected after it is complete to ensure it meets the intent of these instructions. The on-site supervisor and/or operator(s) should be informed that the appliance is installed with restraints. If restraints are removed to move fryer (cleaning beneath and behind, relocation, etc.), ensure that they are re-installed when fryer is returned to its permanently installed position.
24G SERIES FLATBOTTOM GAS FRYERS CHAPTER 3: INSTALLATION INSTRUCTIONS 3.4 Gas Connections (cont.) NATIONAL CODE REQUIREMENTS: NON-CE This equipment is to be installed in compliance with the Basic Plumbing Code of the Building Officials and Code Administrators International, Inc. (BOCA) and the Food Service Sanitation Manual of the U.S. Food and Drug Administration. This equipment is manufactured to use the type of gas specified on the rating plate attached to the door.
24G SERIES FLATBOTTOM GAS FRYERS CHAPTER 3: INSTALLATION INSTRUCTIONS 3.4 Gas Connections (cont.) DANGER All connections must be sealed with a joint compound suitable for the gas being used and all connections must be tested with a solution of soapy water before lighting any pilots. Never use matches, candles, or any other ignition source to check for leaks.
24G SERIES FLATBOTTOM GAS FRYERS CHAPTER 3: INSTALLATION INSTRUCTIONS 3.4 Gas Connections (cont.) DANGER When pressure-testing incoming gas supply lines, disconnect the fryer from the gas line if the test pressure is ½" PSI [14" W.C. (3,45 kPa)] or greater to avoid damage to the fryer’s gas piping and gas valve(s). A. Manifold Pressure: Your local service technician should check the manifold pressure with a manometer. 1. Check the rating plate for manifold gas pressures. pressures.
24G SERIES FLATBOTTOM GAS FRYERS CHAPTER 3: INSTALLATION INSTRUCTIONS 3.4 Gas Connections (cont.) E. Flexible Couplings, Connectors and Casters 1.
G SERIES FLATBOTTOM GAS FRYERS CHAPTER 3: INSTALLATION INSTRUCTIONS 3.5 Adjustments/Adaptation To Different Gases WARNING Qualified personnel MUST perform any adaptation, modification, or gas conversion, if required. Failure to use qualified personnel will void the Dean warranty. 1. Proper operation of appliances requires operator to inspect the following adjustments in Section 3.6 in terms of gas inputs and pressures. 2.
24G SERIES FLATBOTTOM GAS FRYERS CHAPTER 3: INSTALLATION INSTRUCTIONS 3.6 Gas Inputs CE UNITS ONLY: Nominal Heat Inputs (Qn), Gas Type, Orifice Size, Part Number and Quantity/Color are listed in the table below: MODEL NOMINAL HEAT INPUT- Qn (kW) 24G Series (ALL) 30 GAS TYPE ORIFICE SIZE (MM)† ORIFICE PART NO. G20 G25 G31 2,50 2,50 1,60 810-2628 810-2628 810-2317 ORIFICE QTY/ COLOR 3/BLUE 3/BLUE 3/RED †Orifice size listed is for fryers operating at altitudes of 610 meters or less.
24G SERIES FLATBOTTOM GAS FRYERS CHAPTER 3: INSTALLATION INSTRUCTIONS 3.6 Gas Inputs (cont.) Gas Type Orifice Part Number* Natural 810-2051 Propane 810-2317 * Orifice sizes are listed for altitudes of 2000 feet and less. Burner Adjustments- 24G Series Loosen this screw to adjust burner damper for optimum flame. Ensure orifice tip is approximately 20 mm from the upper damper slot.
24G SERIES FLATBOTTOM GAS FRYERS CHAPTER 3: INSTALLATION INSTRUCTIONS 3.7 Gas Conversion Procedures (cont.) CE UNITS ONLY: When converting from G20 to G25 gas, the following procedures apply: ♦ Equipment replacement is not required. ♦ Adjust orifice gas pressure to the appropriate value listed in the table on page 3-9 by turning the gas valve "adjustment screw". ♦ After adjustment, replace the adjustment-screw cover.
24G SERIES FLATBOTTOM GAS FRYERS CHAPTER 3: INSTALLATION INSTRUCTIONS 3.7 Gas Conversion Procedures (cont.) NON-CE UNITS ONLY: See gas valve illustration below for reference when performing gas valve conversions. When converting from natural gas to propane (or vice-versa), the following procedures apply: ♦ ♦ ♦ ♦ Burner orifices and pilot orifice MUST be replaced (see page 3-11 for required component part numbers).
24G SERIES FLATBOTTOM GAS FRYERS CHAPTER 3: INSTALLATION INSTRUCTIONS 3.8 Gas Conversion Components Use the following components to convert from natural gas to propane and vice-versa. See Section 3.6 for orifice quantities required for conversion.
24G SERIES FLATBOTTOM GAS FRYERS CHAPTER 4: FRYER OPERATIONS 4.1 Initial Start-up WARNING The on-site supervisor is responsible for ensuring that operators are made aware of the inherent hazards of operating a hot oil frying system, particularly the aspects of system operation, oil filtration, draining and cleaning procedures. Cleaning: New units are wiped clean with solvents at the factory to remove any visible signs of dirt, oil, grease, etc.
24G SERIES FLATBOTTOM GAS FRYERS CHAPTER 4: FRYER OPERATIONS 4.1.1 Pilot Lighting Procedures, Standing Pilot WARNING Do not bang fry baskets or other utensils on the fryer’s joiner strip. The strip is present to seal the joint between the frypot. Banging fry baskets on the strip to dislodge shortening will distort the strip, adversely affecting its fit. It is designed for a tight fit and should only be removed for cleaning. DANGER Never operate this appliance with an empty frypot.
24G SERIES FLATBOTTOM GAS FRYERS CHAPTER 4: FRYER OPERATIONS 4.1.1 Pilot Lighting Procedures, Standing Pilot (cont.) 8. Press the white pilot light button on the gas valve and hold approximately 45 seconds to 1 minute, until the pilot stays lit. (If fryer is equipped with a piezo ignitor, press and hold the white pilot light button, then repeatedly press the piezo ignitor button until the pilot lights. Release the white button after approximately 45 seconds to 1 minute.) 9.
24G SERIES FLATBOTTOM GAS FRYERS CHAPTER 4: FRYER OPERATIONS 4.1.1 Pilot Lighting Procedures, Standing Pilot (cont.) 7. Push and hold the knob in and apply a lighted match or taper to the pilot burner head. Continue to hold the knob in for about 60 seconds after the flame appears on the pilot. Release the knob. The pilot should remain lit. 4.1.2 Pilot Lighting Procedures, Electronic Ignition Systems WARNING Never use a match or taper to light pilot on this ignition system.
24G SERIES FLATBOTTOM GAS FRYERS CHAPTER 4: FRYER OPERATIONS 4.2 Boil-Out Procedure NOTE: Consult store operational procedures to ensure that frypot boil-out is an approved procedure before proceeding. DANGER Never leave the fryer unattended during the boil-out process. If the boil-out solution boils over, turn the fryer off immediately and let the solution cool for a few minutes before resuming the process.
24G SERIES FLATBOTTOM GAS FRYERS CHAPTER 4: FRYER OPERATIONS 4.2 Boil-Out Procedure (cont.) CAUTION Do not leave fryer unattended. The boil-out solution may foam and overflow. If this happens, turn the Thermatron dial to the lowest setting and the power switch "Off". Resume boil out when foam dissipates. 8. Do not allow the water level to decrease below the upper oil level line in frypot during boil-out operation.
24G SERIES FLATBOTTOM GAS FRYERS CHAPTER 4: FRYER OPERATIONS 4.3 Final Preparation DANGER Remove all drops of water from the frypot before filling with cooking oil or shortening. Failure to do so will cause spattering of hot liquid when the oil or shortening is heated to cooking temperature and may cause injury to nearby personnel. WARNING NEVER set a complete block of solid shortening in the frypot. To do so will damage the frypot, and void the warranty. 4.3.
24G SERIES FLATBOTTOM GAS FRYERS CHAPTER 5: CONTROLLER OPERATION 5.1 Operating Fryers with Thermatron Controllers 24G Series Flatbottom gas fryers come equipped with a solid-state Thermatron or electronic thermostat controller, and are operated with the following controls: Thermatron Controller Fryer Power Switch: Turns fryer on and off. Boil-Out Switch (Optional): operates only in "Thermatron" mode.
24G SERIES FLATBOTTOM GAS FRYERS CHAPTER 5: CONTROLLER OPERATION 5.1 Operating Fryers with Thermatron Controllers (cont.) MANUAL FILTER POWER SWITCH (older systems with built-in filtration) – Controls power to the filter pump in the event the primary system fails. Fryer Power Switch should be in "OFF" position when in use. HIGH-LIMIT RESET – Located under control panel. Must be manually reset if the fryer exceeds high-limit setpoint.
24G SERIES FLATBOTTOM GAS FRYERS CHAPTER 6: PREVENTATIVE MAINTENANCE 6.1 General DANGER Never attempt to clean the fryer during the cooking process or when the frypot is filled with hot oil or shortening. If water comes in contact with oil or shortening heated to cooking temperature, it will cause spattering, which can result in severe burns to nearby personnel. Any equipment works better and lasts longer when maintained properly and kept clean. Cooking equipment is no exception.
24G SERIES FLATBOTTOM GAS FRYERS CHAPTER 6: PREVENTATIVE MAINTENANCE 6.1.3 Periodic/Annual This appliance should be inspected and adjusted periodically by qualified service personnel as part of a regular kitchen maintenance program. Frymaster/Dean recommends that this appliance be inspected at least annually by a Factory Authorized Service Technician as follows: • Inspect the cabinet inside and out, front and rear for excessive oil build-up and/or oil migration.
24G SERIES FLATBOTTOM GAS FRYERS CHAPTER 6: PREVENTATIVE MAINTENANCE 6.1.4 Stainless Steel Care WARNING DO NOT let water splash into the tank of hot oil. It will splatter and can cause severe burns. All stainless steel fryer cabinet parts should be wiped regularly with hot, soapy water during the day, and with a liquid cleanser designed for stainless steel at the end of each day. A. Do not use steel wool, abrasive cloths, cleansers or powders. B.
24G SERIES FLATBOTTOM GAS FRYERS CHAPTER 7: TROUBLESHOOTING NOTE: Refer to the wiring diagram affixed inside the fryer cabinet door when troubleshooting electrical components. DANGER Hot cooking oil/shortening will cause severe burns. Never attempt to move this appliance when filled with hot cooking oil/shortening or to transfer hot cooking oil/shortening from one container to another. DANGER This equipment should be unplugged when servicing, except when electrical circuit tests are required.
24G SERIES FLATBOTTOM GAS FRYERS CHAPTER 7: TROUBLESHOOTING 7.1 Pilot Burner Malfunctions (cont.) PROBLEM Pilot burner ignites properly and burns properly, but goes out when the exhaust blower comes on. CORRECTIVE ACTION 1. Pilot flame may be adjusted too low, even though it appears to be satisfactory. Re-adjust higher as described previously. 2. Pilot flame may be adjusted too high and is on the verge of blowing out. Re-adjust lower. 3.
24G SERIES FLATBOTTOM GAS FRYERS CHAPTER 7: TROUBLESHOOTING 7.2 Main Burner Malfunctions (cont.) PROBLEM CORRECTIVE ACTION Main burner flames are small and appear lazy; Oil or shortening does not come up to temperature quickly. 1. Authorized Service Agent Only: Check gas pressure at the pressure tap of the gas control. Use a standard water-type Ugauge manometer. With the burner in operation, the pressure should be about 3.5 – 4" W.C. (10 mbar) on natural and 14" W.C. (27.5 mbar) on propane gases.
24G SERIES FLATBOTTOM GAS FRYERS CHAPTER 7: TROUBLESHOOTING 7.
Dean, 8700 Line Avenue, PO Box 51000, Shreveport, Louisiana 71135-1000 Shipping Address: 8700 Line Avenue, Shreveport, Louisiana 71106 TEL 1-318-865-1711 PRINTED IN THE UNITED STATES FAX (Parts) 1-318-688-2200 SERVICE HOTLINE 1-800-551-8633 FAX (Tech Support) 1-318-219-7135 Price: $14.
