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YSCFC24G Series
Flatbottom Gas Fryers
Service & Parts Manual
Models YSCFC 1824G, 2424G, and 24/24/15 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
PRINTED IN THE USA
FEBRUARY 2009
1-800-551-8633
*8196472*
service@frymaster.com
www.frymaster.com
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Please read all sections of this manual and retain for future reference. This product has been certified as commercial cooking equipment and MUST be installed by professional personnel as specified. Installation, maintenance and repairs should be performed by your FRYMASTER DEAN FACTORY AUTHORIZED SERVICE CENTER. 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 proce
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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. WARNING 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. WARNING No structural material on the fryer should be altered or removed to accommodate placement of the fryer under a hood. Questions? Call the
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YSCFC Series Flatbottom Gas Fryers Service & Parts Manual TABLE OF CONTENTS PAGE # 1. SERVICE PROCEDURES 1–1 1.1 Functional Description 1–1 1.2 Accessing Fryers for Servicing 1–3 1.3 Cleaning Gas Valve Vent Tube 1–4 1.4 Adjusting Burner Manifold Gas Pressure 1–4 1.5 Calibrating the Thermatron Temperature Controller 1–5 1.6 Replacing Fryer Components 1–6 1.6.1 Remove/Replace Temperature Probe or High-Limit Thermostat 1–6 1.6.2 Removing/Replacing Rocker Switches 1–8 1.6.3 Rep
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YSCFC Series Flatbottom Gas Fryers Service & Parts Manual TABLE OF CONTENTS (cont.) PAGE # 2. PARTS LIST 2–1 2.1 Blower Assembly, Combustion Air 2–1 2.2 Burner Manifold and Related Components 2–2 2.3 Flue Caps, Top Caps, and Related Components 2–4 2.4 Cabinetry 2–6 2.5 Door Assemblies and Component Parts 2–8 2.6 Control Panels, Wireways, and Related Components 2–9 2.7 Oil Return and Suction Manifold 2–11 2.8 Filter Unit 2–13 2.9 Frypot, Drain, and Oil Return Components 2–14
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YSCFC SERIES FLATBOTTOM GAS FRYERS CHAPTER 1: SERVICE PROCEDURES 1.1 Functional Description YSCFC Series Flatbottom gas fryers contain a welded steel frypot (mild steel) with heat-transfer ducting on the frypot bottom for efficient heating of oil without scorching. A draft inducer draws air over the burners for combustion. Air movement directs the combustion products back and forth across the frypot bottom by means of a set of baffles, transferring the heat evenly. Cold air is
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YSCFC SERIES FLATBOTTOM GAS FRYERS CHAPTER 1: SERVICE PROCEDURES to 11 seconds to light the burner flame. A flame sensor verifies that the burner is lit by measuring the flow of microamps through the flame. If the burner does not light (or is extinguished), current to the ignition module is interrupted, preventing the main valve from opening, and the ignition module "locks out" until the power switch is turned "OFF", then back "ON". A temperature probe monitors the temperature
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YSCFC SERIES FLATBOTTOM GAS FRYERS CHAPTER 1: SERVICE PROCEDURES Safety Components All YSCFC Series Flatbottom gas fryers are equipped with a high-limit thermostat. In the event that the fryer fails to properly control the oil temperature, the high-limit thermostat prevents the fryer from overheating to flash point. The high-limit thermostat acts as a normally closed power switch that opens when exposed to temperatures above 410°F [(210°C) - CE] to 450°F [(232°C) - Non-CE]. CE
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YSCFC SERIES FLATBOTTOM GAS FRYERS CHAPTER 1: SERVICE PROCEDURES 1.3 Cleaning the Gas Valve Vent Tube (if applicable) 1. Set the fryer power switch and the gas valve to the "OFF" position. 2. Carefully unscrew the vent tube from the gas valve. NOTE: The vent tube may be straightened for ease in removal. 3. Pass a piece of wire through the tube to remove any obstruction. Remove the wire and blow through the tube to ensure it is clear. 4. Reinstall tube and bend so that t
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YSCFC SERIES FLATBOTTOM GAS FRYERS CHAPTER 1: SERVICE PROCEDURES 5. To adjust burner gas pressure, remove the cap from the gas valve regulator and adjust to correct pressure (arrow shown at right). 6. Place the fryer power switch and the gas valve in the "OFF" position. Remove the pressure-measuring device fitting from the pressure tap hole and reinstall the pressure tap plug. 1.5 Calibrating the Thermatron Temperature Controller 1. Ensure the fryer ON/OFF switch is in the
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YSCFC SERIES FLATBOTTOM GAS FRYERS CHAPTER 1: SERVICE PROCEDURES 1.6 Replacing Fryer Components 1.6.1 Remove/Replace Temperature Probe or High-Limit Thermostat 1. Disconnect the fryer from the electrical supply. 2. Allow the frypot to cool for 10 minutes before draining. Drain cooking oil/shortening from the frypot. Allow the frypot to cool completely before proceeding. 3. Remove the fryer door(s) for access to control panel screws. Lift door up, disengage rod from low
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YSCFC SERIES FLATBOTTOM GAS FRYERS CHAPTER 1: SERVICE PROCEDURES 8. Remove the sensor bulb guard to access the probe and high-limit (pictured above). Current production systems have a sensor bulb clamp that must be removed prior to removing the probe or high-limit from the frypot (pictured top right). 9. On the sensor bulb being removed, loosen and unscrew completely the compression nut, then the pass-through nut from the frypot. Carefull
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YSCFC SERIES FLATBOTTOM GAS FRYERS CHAPTER 1: SERVICE PROCEDURES 11. Reverse steps to install new temperature probe or high-limit. If reinstalling high-limit, ensure the capillary tube is properly routed around the temperature probe before tightening (see photo, Step #8). Reconnect wiring removed from defective high-limit. IMPORTANT (High-Limit): When installing new high-limit, ensure the capillary tube and bulb are positioned properly with the mounting hardware installed prior
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YSCFC SERIES FLATBOTTOM GAS FRYERS CHAPTER 1: SERVICE PROCEDURES 5. Reverse the above steps for reassembly. 1.6.3 Replacing the Gas Valve DANGER Drain the frypot or remove drain valve handle to prevent accidental opening before proceeding further. 1. Disconnect fryer from electrical and gas supplies. 2. Disconnect the wires from the gas valve terminal block, marking each wire to facilitate reconnections. 3. Remove the high-limit thermostat wire from the gas valve coi
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YSCFC SERIES FLATBOTTOM GAS FRYERS CHAPTER 1: SERVICE PROCEDURES 1.6.5 Removing/Replacing Blower Assembly or Air Prover Switch 1. Remove back panel. On systems with built- in filtration, use care not to damage the oil- return heat-tape wiring insulation when removing backs (multi-batteried systems after 02/03 have two-piece back panels; remove both to access blower assembly). 2. Remove blower assembly by removing four screws (two screws securing the flue outlet to the fireb
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YSCFC SERIES FLATBOTTOM GAS FRYERS CHAPTER 1: SERVICE PROCEDURES 1.6.6 Replacing the Frypot Unit should be at room temperature, disconnected from gas and electrical service, and empty of oil or shortening prior to beginning procedure. 1.6.6.1 Frypot Baffle Inspection 1. Remove cabinet door(s) by holding door and lifting up on hinge pin. Current production model doors have spring-loaded pins that must be disengaged from the control panel and the bottom hinge. Remove mar
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YSCFC SERIES FLATBOTTOM GAS FRYERS CHAPTER 1: SERVICE PROCEDURES 1.6.6.2 Frypot/Firebox Removal/Replacement Procedure 1. Perform Procedure 1.6.5, Removing/Replacing Blower Assembly or Air Prover Switch, Steps 1 – 4. 2. Disconnect the union at the gas valve. Remove four bolts connecting the burner manifold brackets to the burner box. Remove the burner manifold assembly and set aside. 3. Mark and disconnect the drain-valve Disconnect microswitch wiring. Remove elbow
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YSCFC SERIES FLATBOTTOM GAS FRYERS CHAPTER 1: SERVICE PROCEDURES 6. Remove two screws securing topcap to wireway box. Remove topcap. Remove four screws securing wireway box to fryer cabinet (arrows) and carefully lower wireway box out of the way. Use care not to stretch or distort the wiring. 7. Remove two screws from the firebox heat shield (arrows), remove heat shield and set aside. NOTE: Steps 8 and 9 must be performed prior to frypot removal, especially on
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YSCFC SERIES FLATBOTTOM GAS FRYERS CHAPTER 1: SERVICE PROCEDURES 10. Remove firebox back, along with insulation from back of frypot. From the rear of the unit, use a prying bar to Use a pry bar to carefully pry the top assembly from the remove top assembly from frypot and cabinet frame (single units frypot (single only), and set aside. (The top assembly is units only). secured to the frypot with high-temp silicone sealant.) On systems, remove individual pieces on the fryp
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YSCFC SERIES FLATBOTTOM GAS FRYERS CHAPTER 1: SERVICE PROCEDURES 13. Install new firebox into cabinet. Replace screws (12) removed during removal of the old firebox. Use spray adhesive (Zep Aero Tac High-Strength Spray Adhesive or equivalent) to install new insulation in firebox bottom as shown. The insulation must not go above the top of the burner- box center flange. NOTE: Ensure the strip of insulation is properly affixed to the front blower- housing flange (arrow) prio
