AVANTCO 177FF300N Natural Gas 40 Ib Satinless Steel Floor Fryer User Manual

June 5, 2024
AVANTCO

AVANTCO - logo

User Manual
AVANTCO 177FF300N Natural Gas 40 Ib Satinless Steel Floor
Fryer

Floor Fryers
Models: 177FF300N, 177FF300L, 177FF400N, 177FF400L, 177FF518N, 177FF518L 02/2022
Please read and keep these instructions. Indoor use only.

Safety Precautions

Before installing and operating this equipment, be sure everyone involved in its operation is fully trained and aware of precautions. Accidents and problems can be caused by failure to follow fundamental rules and precautions.
The following symbols, found throughout this manual, alert you to potentially dangerous conditions to the operator, service personnel, or to the equipment.

DANGER!   This symbol warns of immediate hazards that will result in severe injury or death.
WARNING! This symbol refers to a potential hazard or unsafe practice that could result in injury or death.
CAUTION! This symbol refers to a potential hazard or unsafe practice that could result in injury, product damage or property damage.
NOTICE! This symbol refers to information that needs special attention or must be fully understood, even though not dangerous.
WARNING
Fire Hazard – For your Safety

  • Do not store or use gasoline or other flammable vapors and liquids in the vicinity of this or any other appliance.
  • Keep the area around appliances free and clear of combustibles.
  • The purchaser of equipment must post in a prominent location, with detailed instructions to be followed in the event the operator smells gas. Obtain the instructions from the local gas supplier.

WARNING
Burn Hazard
Contact with hot oil will cause severe burns. Always use caution. Oil at 200°F is more dangerous than boiling water.
WARNING
In the event, a gas odor is detected, shut down equipment at the combination gas valve and contact the local gas company or gas supplier for service.
NOTICE
Avantco Floor Fryers are intended for commercial use only. Not for household use.
Warranty will be void if service work is performed by anyone other than a qualified technician, or if other than genuine Avantco replacement parts are installed.
Be sure this Operator’s Manual and important papers are given to the proper authority to retain for future reference.

RETAIN THIS MANUAL FOR FUTURE REFERENCE.
Models
This manual is for Avantco Fryers with 40-pound (FF300), 50-pound (FF400), and 70-100-pound (FF518) capacity fry pots. The capacity is described on the serial plate that is located inside the front door on the left side.

Read these instructions carefully before attempting installation. Installation and initial startup should be performed by a qualified installer. Unless the installation instructions for this product are followed by a qualified service technician (a person experienced in and knowledgeable with the installation of commercial gas and/or electric cooking equipment) then the terms and conditions on the Manufacturer’s Limited Warranty will be rendered void and no warranty of any kind shall apply.

Specifications

Gas Supply and Burner Information
Supply pressure should be minimum of 4″ W.C. for natural gas or 10″ W.C. for propane. The fryer comes with a 3/4″ NPT male connector on a 1/2″ pipe, allowing you to connect with either 3/4″ or 1/2″ NPT female connector.

Model| Burners| Gas Type| Manifold Pressure| Number of Heat Tube| Rate Each BTUs / Hour| Total Rate BTUs / Hour| Orifice Size
---|---|---|---|---|---|---|---
177FF300| Main| Natural| 4″ W.C.| 3| 30,000| 90,000| #39
Propane| 10″ W.C.| 3| 30,000| 90,000| #52
177FF400| Main| Natural| 4″ W.C.| 4| 30,000| 120,000| #39
Propane| 10″ W.C.| 4| 30,000| 120,000| #52
177FF518| Main| Natural| 4″ W.C.| 5| 30,000| 150,000| #39
Propane| 10″ W.C.| 5| 30,000| 150,000| #52

  • Minimum supply pressure is 4″ W.C. for natural gas and 10″ W.C. for propane.
    Orifice sizes are for units installed at altitudes between 0 and 2000 feet above sea level.
    AVANTCO - logo
    GAS FRYER ELEVATION CHART**

    Gas Type| – Namir Sea Level| /AOC| 3,004r| 4,000′| 5,006| ENDOW| 1,000′| RAW| 9,00C| 10,000″
    Katmai| 39| 40| 41| 41| 42| 42| 43| 43| 44| 44
    LP| 52| 52| 53| 53|  53| 53| 53| 54| 54| 54

Installation

Please read this manual thoroughly prior to equipment set-up, operation, and maintenance.
NOTICE
Installation must conform with local codes, or in the absence of local codes, with the National Fuel Gas Code, ANSI Z223.1, Natural Gas Code, CAN/CGA-B149.1, or the  Propane Installation Code, CAN/CGA-B149.2, as applicable.
NOTICE
These installation procedures must be followed by qualified personnel or the warranty will be void. Local codes regarding installation vary greatly from one area to another. The  National Fire Protection Association, Inc. states in its NFPA 96 latest edition that local codes are the “authority having jurisdiction” when it comes to installation requirements for equipment.
Step 1: Install the Legs (or optional casters) and Restraints.
A set of legs or casters is packed with the fryer. Mounting fasteners are pre-mounted on the baseplates.

  1. Raise the fryer sufficiently to allow legs or casters to be screwed into the baseplate. For safety, “shore up” and support the fryer with an adequate blocking arrangement strong enough to support the load.
  2. Screw the four legs or casters to the plate on the bottom of the fryer. When casters have been ordered, the casters having a locking brake should be attached under the front of the fryer.
  3. Lower the fryer gently. Never drop or allow the fryer to fall.
  4. Use a level to make sure that the fryer is level. Each caster, or the tubular end of each leg, can be screwed in or out to lower or raise each corner of the fryer.
  5. Attach restraints as required by local codes.

NOTICE
The unit must be level to ensure maximum performance. Improper leveling may void the warranty.
NOTICE
When this appliance is installed with casters, it must be installed with the casters supplied, a connector complying with either ANSI Z21.69 CSA 6.16 and a quick-disconnect device complying with ANSI Z21.41 CSA 6.9. It must also be installed with restraining means to guard against transmission of strain to the connector, as specified in the appliance manufacturer instructions.
WARNING
When this appliance is installed with casters, it must be installed with the casters supplied, a connector complying with either ANSI Z21.69 or CAN/CGA-6.16 and a quick disconnect device complying with either ANSI Z21.41 or CAN1-6.9. It must also be installed with restraining means to guard against transmission of strain to the connector, as specified in the appliance manufacturer’s instructions.
WARNING
All fryers must be restrained to prevent tipping in order to avoid the splashing of hot liquid. The means of restraint may be the manner of installation.
WARNING
If disconnection of the restraint is necessary to move the appliance for cleaning, etc., reconnect it when the appliance is moved to its original installed position.

Step 2: Flue Installation

  1. Unpack the flue box and flue wrap.
  2. Slide the flue box over the flue and secure it with the two self-tapping screws using a 5/16″ socket.
  3. Slide the flue wrap over the flue.AVANTCO 177FF300N Natural Gas 40 Ib Satinless Steel Floor Fryer - Flue Installation2
  4. Secure it with four self-tapping screws two on the back and one on each side using a 5/16″ socket.

Step 3: Check Clearances and Ventilation
Select a firm, level location for your fryer. Leave clearance, whenever possible, so that access from the rear is possible to permit cleaning. If the unit is to be set on non-combustible floorings, such as a concrete slab, 3 inches minimum toe room must be provided to prevent restriction of the air opening in the bottom of the unit.

WARNING

  • There must be adequate clearance between fryer(s) and construction. Clearance must also be provided in front of servicing and for operation.

  • Minimum Clearances From Combustible Construction:
    Sides: 6″
    Rear: 6″

  • ALL AVANTCO FLOOR FRYERS SHALL BE INSTALLED WITH AT LEAST A 16-INCH SPACE BETWEEN THE FRYER AND SURFACE FLAMES FROM ADJACENT EQUIPMENT.

  • SUITABLE FOR INSTALLATION ON COMBUSTIBLE FLOORS. No additional side and rear clearance is required for service as the fryer is serviceable from the front.

WARNING

  • Improper ventilation can result in personal injury or death. Ventilation that fails to properly remove flue products can cause headaches, drowsiness, nausea, or could result in death.
  • The unit Must be installed under a ventilation Hood.
  • All units must be installed in such a manner that the flow of combustion and ventilation air is not obstructed. Provisions for adequate air supply must also be provided. Do  NOT obstruct the bottom front of the unit, as combustion air enters through this area. Be sure to inspect and clean the ventilation system according to the ventilation equipment manufacturer’s instructions.

Ventilation Notes
Due to the variety of problems that can be caused by outside weather conditions, venting by hoods or wall fans is preferred over any type of direct venting. It is recommended that a hood extend 6″ past the appliance and the bottom edge be located 6’6″ from the floor. Filters should be installed at an angle of 45° or more from the horizontal. This position prevents the dripping of grease and facilitates collecting the run-off grease in a drip pan, usually installed with a  filter. A strong exhaust fan tends to create a vacuum in the room and may interfere with burner performance or may extinguish pilot flames. Fresh air openings approximately equal to the fan area will relieve such a vacuum. In case of unsatisfactory performance on any appliance, check the appliance with the exhaust fan in the “OFF” position. Do this only long enough to check equipment performance, then turn the hood back on and let it run to remove any exhaust that may have accumulated during the test.

  • The exhaust fan should be installed at least 2 feet above the vent opening at the top of the fryer.
  • Make sure all ventilation meets local code requirements.
  • This unit is not intended to be connected directly to an outside flue.

Step 4: Gas Connection
This Fryer ships from the factory configured for areas with an altitude that is lower than 2,000 feet. (If being installed above 2,000 feet the orifices will need to be changed. Failure to  install proper orifice size will void the warranty) 3/4″ Male NPT line for gas connection is located near the lower right rear corner of the fryer.
Recommended Regency 48″ Gas lines: (more sizes available)
Mobile: 600GKM3448
Stationary: 600GKS3448

  1. Ensure gas supply and gas type, as shown on the unit serial plate agree. Unit installation must conform with the National Fuel Gas Code, ANSI Z223.1, the National Gas  Installation Code, CAN/CGA-B149.1, or the Propane Installation Code, CAN/CGA-B149.2 as applicable and in accordance with local codes.
  2. A manual gas shut-off valve must be installed in the gas supply line ahead of the appliance and gas pressure regulator for safety and ease in servicing.
  3. The gas pressure regulator supplied must be installed on the appliance prior to connecting the equipment to the gas line. Failure to install a regulator could be potentially hazardous and will void a limited equipment warranty.
  4. The pipe threading compound must be resistant to the action of liquefied petroleum gases.
  5. Connect the gas supply directly to the 3/4″ male NPT connector located near the lower-left rear corner of the fryer. When tightening the supply pipe, be sure to hold the mating connector extending from the unit securely with a wrench.

CAUTION
ALL PIPE JOINTS AND CONNECTIONS MUST BE TESTED THOROUGHLY FOR GAS LEAKS. USE ONLY SOAPY WATER FOR TESTING ON ALL GASES.  NEVER USE AN OPEN FLAME TO CHECK FOR GAS LEAKS. ALL CONNECTIONS MUST BE CHECKED FOR LEAKS AFTER THE UNIT HAS BEEN PUT  INTO OPERATION. TEST PRESSURE SHOULD NOT EXCEED 14″ W.C.
CAUTION
THIS APPLIANCE AND ITS INDIVIDUAL COMBINATION GAS VALVE MUST BE DISCONNECTED FROM THE GAS SUPPLY PIPING SYSTEM DURING  ANY PRESSURE TESTING OF THAT SYSTEM AT TEST PRESSURES IN EXCESS OF 14” WC (1/2 PSIG or 3.45 kPa).
If the incoming gas pressure is in excess of 14″WC (1/2PSI, 3.45 kPa), a proper step-down regulator will be required. See PHOTO 1 for LP application

Pressure Regulator:
A combination gas valve and pressure regulator, which is provided with each unit, is set to maintain a 4″ W.C. manifold pressure for natural gas or 10.0″ W.C. manifold pressure for propane gas. However, to maintain these conditions the pressure on the supply line, when all units are operating simultaneously, should not drop below 7″ W.C. for natural gas or 11″ W.C. for propane gas. Fluctuations of more than 25% on natural gas or 10% on propane gas will create problems and affect burner operating characteristics. A 1/8″ tap to measure the manifold pressure is located on the combination gas valve, which is on the burner manifold located directly below the burners inside the cabinet.

Operation

Lighting

CAUTION
IF YOU SMELL GAS DURING THE LIGHTING PROCEDURE, IMMEDIATELY SHUT OFF THE GAS SUPPLY UNTIL THE LEAK HAS BEEN CORRECTED.

Open the burner compartment door and do the following:

  1. Turn the thermostat to “OFF” by aligning the “OFF” with the red indicator.
  2. Press down the knob of the combination gas valve, turn it counterclockwise to the “PILOT” position (shown), and continue to press the knob down.
  3. While pressing the knob down, use a lit match to ignite the pilot. Continue to press the knob down for about 30 seconds. If the pilot does not stay lit when the knob is released, repeat the lighting procedure and keep the knob down longer. Adjustment of pilot flame may be necessary.
  4. When the pilot stays lit, turn the knob counterclockwise to the “ON” position. Do not press down on the knob in this step.
  5. Do NOT turn the thermostat “ON” until the fry pot is filled with oil or solid shortening.
  6. Once the fry pot is filled with shortening, set the thermostat to the desired temperature

Filling the Fry Pot

  1. Close the drain valve completely before filling the fry pot.
  2. When the fryer is new, fill the fry pot with water and clean thoroughly (see “Weekly Cleaning” on page 13) in order to remove protective coatings and any foreign matter.
  3. The recommended solid shortening capacity for the fry pot (35 pounds or 55 pounds) is described on the serial plate (which is located inside the front door).
  4. Remove the basket support frame when filling the fry pot with solid shortening.
  5. When solid shortening is used, be careful not to bend, break, or twist the thin capillary wires of the sensing elements located in the fry pot.
  6. Pack solid shortening into the zone below the tubes, all spaces between the tubes, and at least an inch above the top of the tubes before lighting the fryer. If any air spaces are left around the heat tube surfaces when the heat is turned on, the tube surfaces will become red hot, burn the solid shortening, weaken the fry pot, and could result in fire.
  7. To prevent burning or scorching the solid shortening, keep the thermostat set at the lowest temperature until all the solid shortening between and above the tubes has been melted. Additional solid shortening can then be added until the desired frying depth has been reached.
  8. Replace the basket support frame over the fry pot heat tubes.

CAUTION
NEVER ATTEMPT TO MELT A SOLID BLOCK OF SHORTENING ON THE TOP OF THE HEAT TUBES. NEVER START THE BURNERS WHEN THE FRYPOT IS EMPTY.

Shutdown Procedure
Standby: Turn the knob on the combination gas valve to the “PILOT” position. At this setting, only the pilot burner will remain ignited.
Complete Shutdown: Turn the knob on the combination gas valve clockwise, press down on the knob and continue to turn to the “OFF” position.

Relighting
WARNING
In the event of a main burner ignition failure, a five-minute purge period must be observed prior to re-establishing the ignition source.

  1. Shut off all gas.
  2. Wait five minutes.
  3. Follow the “Lighting” procedure as described on page 12.

Automatic Pilot Valve
The Automatic Pilot Valve provides an automatic safety shutoff for the fryer when the pilot flame is extinguished.
When the pilot flame is burning, the valve is held open electromagnetically by the electrical current from a thermopile in the pilot flame. When the pilot flame goes out, the generation of current ceases and the valve closes automatically.
High Limit Control
Avantco Floor Fryers are equipped with a secondary heat control that prevents the oil temperature from rising above 450°F. (Because of the accuracy tolerance of the sensor,  the oil temperature may reach as high as 475°F.) In the event the fryer shuts down due to this condition, the oil must be cooled to below 400°F before the pilot burner can be re-ignited. When the oil has cooled, use the “Lighting” procedure on page 12 to restore functionality. If the problem persists, contact your Avantco Service Representative or the Avantco Service Department.

Cooking Hints
User Tips

  • Smoking oil means that the temperature is too high, or that the oil has broken down.
  • Gum in fry pot denotes a need for thorough cleaning (see “Weekly Cleaning” on page 15)
  • Use different oil for oily foods (mackerel, nutmeg, etc.) than for foods with water-soluble flavors (potatoes, onions, etc.).
  • Taste oil for quality. Replace it regularly.
  • Poor oil cannot produce good food.

Cleaning

Avantco equipment is constructed with the best quality materials and is designed to provide durable service when properly maintained. To expect the best performance, your equipment must be maintained in good condition and cleaned daily. Naturally, the frequency and extent of cleaning depend on the amount and degree of usage.  Following daily and more extensive periodic maintenance procedures will increase the life of your equipment. Climatic conditions (e.g., salt air) may result in the need for more thorough and more frequent cleaning in order to keep equipment performing at optimal levels.

WARNING: BURN HAZARD
If necessary move the fryer for cleaning, etc., and drain the oil first to avoid death or serious injury.
WARNING
If disconnection of the restraint is necessary to move the appliance for cleaning, etc., reconnect it when the appliance is moved to its originally installed position.

Daily Cleaning

  1. Turn the thermostat knob to the “OFF” position.
  2. Place a hot-oil-safe container under the drain and drain the fry pot completely.
  3. Remove the basket support frame (if applicable) and flush out any sediment remaining in the fry pot with a little hot oil.
  4. Wipe off the basket support frame and the inside of the fry pot with a clean cloth.
  5. Close the drain valve and strain the oil back into the fry pot through several thicknesses of cheesecloth, or filter it back using a filter machine.
  6. Replace the basket support frame (if applicable)
  7. Add oil or shortening to MIN oil level mark on rear of fry pot.
  8. To resume cooking, turn the combination gas valve knob to the “ON” position.

Tough on grease, Tough on carbon, and increases the life of Oils.

CAUTION
SOME AREAS OF THE FRYPOT MAY BE HOT!

Weekly Cleaning

  1. Follow steps 1 through 4 of the Daily Cleaning procedure (see the previous section).
  2. Close the drain valve and fill the fry pot with a solution of warm water and boil out the compound (999FCBOILOUT).
  3. Relight the fryer and bring the solution to a gentle boil for at least five minutes.
  4. Turn off main burners and let the solution stand until the gum deposits are softened and the carbon spots and burned grease spots can be rubbed off.
  5. Scrub the fry pot walls and heat tubes, then drain out the fry pot and rinse it with clean water.
  6. Refill the fry pot with clean water and boil again.
  7. Turn off gas and drain and rinse well until clean.
  8. Wipe dry with a clean cloth.
  9.  Refill as specified in the “Filling the Fry pot” section (see page 12).

Monthly Cleaning

  1. Perform the Weekly Cleaning procedure (see the previous section).
  2. Clean around burner and orifices if lint has accumulated.
  3. Visually check that burner carry-over ports are unobstructed.

Cleaning Stainless Steel Surfaces

WARNING
NEVER RUB WITH A CIRCULAR MOTION.
NEVER USE A WIRE BRUSH, STEEL SCOURING PADS (EXCEPT STAINLESS), SCRAPER, FILE OR OTHER STEEL TOOLS
DO NOT USE ORDINARY STEEL WOOL, as any particles left on the surface will rust and further spoil the appearance of the finish.
Normal dirt:

  • Use ordinary soap and water (with or without detergent) applied with a sponge or cloth.
  • Dry thoroughly with a clean cloth.
  • Never use vinegar or any corrosive cleaner.

Grease and Food:

  • Apply cleanser to a damp cloth (recommended cleanser: 147FORMULAD) or sponge and rub cleanser on the metal in the direction of the polishing lines on the metal.
  • Rubbing cleanser, as gently as possible, in the direction of the polished lines will not mark the finish of the stainless steel.
    Use scouring pads or stainless steel scouring pads for deposits still on the unit
    Surfaces that are marred collect dirt more rapidly and become more difficult to clean. Marring also increases the possibility of a corrosive attack. Refinishing may then be required.
    Darkened Areas: called “heat tint,” sometimes appear on stainless steel surfaces where the area has been subjected to excessive heat. These are not harmful
    Use the above techniques for removal
    Tint that is not removed use scouring pads or a stainless steel scouring pad in combination with a powered cleanser.
    rub in direction of the polish lines

Trouble Shooting

For Authorized Service Technicians Only!

NOTICE
Warranty will be void and the manufacturer is relieved of all liability if:
(A) Service work is performed by other than a qualified technician (see page 30 for details) OR (B) Other than approved Avantco replacement parts are installed.

WARNING
Adjustments and service work may be performed only by a qualified technician who is experienced in, and knowledgeable with, the operation of commercial gas cooking equipment. However, to ensure your confidence, contact your Avantco Service Representative for liable service, dependable advice or other assistance, and for genuine factory parts.
All units are adjusted at the factory. In case of problems in operation at initial installation, check the type of gas and manifold pressure and compare it with the information listed on the serial plate.
A mill voltage circuit diagram is located inside the front door of the fryer, and also on page 19.
CHECKING AND ADJUSTING MAIN BURNERS
The main burners should burn with a steady blue flame, and the inner core of the flame from each port should be about 3/4″ long. The flame from each main burner should enter each heat tube without touching the front of the fry pot or the sides, top, or bottom of each tube.AVANTCO 177FF300N Natural Gas 40
Ib Satinless Steel Floor Fryer - MAIN BURNERS

CHECKING AND ADJUSTING PRESSURE REGULATOR
The combination gas valve (includes pressure regulator) is factory set at 4″ W.C. for natural gas and 10″ W.C.
for liquid propane gas. To check the manifold pressure, do the following:

  1. Turn thermostat “OFF” and combination gas valve knob to the “PILOT” setting.
  2. Remove pressure tap plug from burner manifold located directly below the burners in the cabinet.
  3. Install a fitting appropriate to connect a manometer.
  4. Turn combination gas valve to “ON” position and thermostat to “ON.” The burners will ignite. Be certain that sufficient oil is covering the tubes.
  5. With burners on, read manometer.
  6. If the manometer does not read 4″ W.C. for natural gas, or 10″ W.C. for propane gas, adjust regulator.
  7. Remove regulator adjustment screw cap (see diagram on page 18).
  8. With small screwdriver rotate adjustment screw “CLOCKWISE” to increase or “COUNTERCLOCKWISE” to decrease pressure. Be sure to adjust with burners “ON.”
  9. Turn thermostat “OFF” and set combination gas valve knob to “PILOT” position.
  10. Remove manometer and replace pressure tap plug.
  11.  Replace adjustment screw cap.

CHECKING AND ADJUSTING CALIBRATION OF THERMOSTAT
All thermostat controls are carefully calibrated at the factory (i.e., the dial is properly set to control appliance temperatures accurately). Only a qualified appliance service  technician should perform this adjustment. All thermostat controls are carefully calibrated at the factory (i.e., the dial is properly set to control appliance temperatures accurately). Only a qualified appliance service technician should perform this adjustment.

  1. To check appliance temperatures, use a thermocouple-type temperature test instrument or reliable thermometer. Place the thermocouple of test instrument or thermometer  in the center of the fry pot.
  2. Turn the control dial to the temperature setting requiring the greatest accuracy. Allow enough time for temperature to stabilize, or until several temperature readings are identical.
  3. Recalibrate if setting and actual temperature differ by more than 10°F.
  4. Remove dial from dial shaft “B.” Be careful that  dial shaft does not rotate in either direction (which would change the dial setting).
  5. Hold dial shaft “B” steady and with a screwdriver turn calibration screw “A” clockwise to decrease the temperature, or counterclockwise to increase the temperature.
  6. Replace dial. Let the appliance operate until the temperature has stabilized before a final check is made to determine whether or not the calibration has been corrected.
  7. Once correct, seal the calibration screw with glyptol.

AVANTCO 177FF300N Natural Gas 40 Ib Satinless Steel Floor Fryer - Red
Indicator1

CHECKING AND ADJUSTING AUTO SAFETY PILOT
The pilot flame should surround the thermopile for 1/2″. It must be large and sharp enough to cause the thermopile to glow a dull red, or sufficient to hold the safety valve  open.
The pilot flame should surround the thermopile for 1/2″. It must be large and sharp enough to cause the thermopile to glow a dull red, or sufficient to hold the safety valve open.

  1. Remove pilot adjustment capAVANTCO 177FF300N Natural Gas 40 Ib Satinless Steel Floor Fryer - pilot adjustment
  2. Adjust pilot key to provide properly sized flame as shown in diagram B. Diagram A shows improperly adjusted pilot.  Diagram A shows an improperly adjusted pilotAVANTCO 177FF300N Natural Gas 40 Ib Satinless Steel Floor Fryer - pilot key
  3. Release pilot adjustment cap.
    Problem| Likely Cause
    ---|---
    Burners do not come on

| Gas supply to unit off.
Combination gas valve is in “OFF” or ‘PILOT” position. Pilot not ignited.
Thermostat not “ON.”
Pilot will not stay ignited| Combination gas valve is in ‘OFF” position.
pilot gas not adjusted properly.Gas supply to unit off.
Bad thermopile.
Dirty thermopile connections at combination gas valve or high limit.
Clogged orifice.
Draft condition.
Air in gas line.
Improper ventilation system.
Pilot produces carbon deposits| Unit connected to wrong gas supply.
Pressure not adjusted correctly.
Pilot gas not adjusted correctly.
Burners produce carbon deposits

| Wrong size orifices.
Connected to wrong gas supply.
Pressure not adjusted correctly.
Flue obstructed.

NOTE: Vibrations or shock caused by shaking or pounding baskets on top surface or by slamming door may cause Hi-Limit Control Switch to open. If this condition   persists, additional cushioning may be added to the rubber grommets supporting this control to absorb these shocks.
Wiring Diagram

AVANTCO 177FF300N Natural Gas 40 Ib Satinless Steel Floor Fryer -
Diagram

Parts
NOTICE
INSTALLATION OF OTHER THAN GENUINE AVANTCO PARTS WILL VOID THE WARRANTY ON THIS EQUIPMENT

  • The serial plate is located inside the front door on the left side.
  • Replacement parts may be ordered either through a Avantco Authorized Parts Distributor or a Avantco Authorized Service Agency.
  • When ordering parts, please supply the Model Number, Serial Number, Part Number, and Description.

Gas Parts
AVANTCO 177FF300N Natural Gas 40 Ib Satinless Steel Floor Fryer - Gas
Parts

Key Part Number Qty Description
1 177400045 1 Knob, Thermostat
2 177400044 1 Thermostat Fryer, regulating 200-400
3 177400042 1 Combination valve (Nat)
3 177400146 1 Combination valve (LP)
4 177400070 1 Tubing, 1/2″ fryer pilot
5 177300038 1 Left burner, Fryer
5 177300037 1 Middle burner, Fryer
5 177300036 1 Right burner, Fryer
6 177400043 1 Safety thermopile 18″
7 177300034 1 Orifice #39 (Nat)
7 177300035 1 Orifice #52 (LP)
8 177400046 1 Thermostat, high limit 450F
9 177400048 1 Pilot 3-way (LP)
9 177400047 1 Pilot 3-way (Nat)

Tank Parts

AVANTCO 177FF300N Natural Gas 40 Ib Satinless Steel Floor Fryer - Tank
Parts

Key Part Number Qty Description
1 177400037 1 Screen for 177FF300/177FF400
1 177400056 1 Screen for 177FF518
2 177400036 1 Valve, Ball
3 177400071 1 Drain, Extension

Leg Parts

Key Part Number Qty Description
1 177400000 1 Leg, 6″

Caster Parts

AVANTCO 177FF300N Natural Gas 40 Ib Satinless Steel Floor Fryer - Caster
Parts

Key Part Number Qty Description
1 359SPC5 1 5″ Swivel No Brake (use bolt/washers from legs)
2 359SPC5B 1 5″ Swivel with Brake (use bolt/washers from legs)

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