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GILES GBF Series Operation & Service Manual

Ventless electric fryer
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GBF-50-VH
Operations & Service Manual
Ventless Electric Fryer
ISO 9001 Registered • Committed to Quality
2750 Gunter Park Drive West • Montgomery, AL 36109 USA
Phone: 334.272.1457 • Toll Free: 800.554.4537
(USA & Canada Only)
Fax: 334.239.4117 • Website: www.gfse.com
Printed in USA, Form No. 66317 (Rel. Date: Aug.2019, Rev. A)

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  • Page 1 GBF-50-VH Operations & Service Manual Ventless Electric Fryer ISO 9001 Registered • Committed to Quality 2750 Gunter Park Drive West • Montgomery, AL 36109 USA Phone: 334.272.1457 • Toll Free: 800.554.4537 (USA & Canada Only) Fax: 334.239.4117 • Website: www.gfse.com Printed in USA, Form No.
  • Page 3 • During the Limited Warranty period, Giles will replace or recondition, at its factory, any part or parts of this unit which Giles inspectors judge defective, provided the unit has been properly installed, subjected to normal usage, and operated and maintained in accordance with specified procedures.

  • Page 5: Table Of Contents

    Table Of Contents GBF-50-VH Electric Fryer Safety ............. . . vi Safety Overview .
  • Page 6 GBF-50-VH Electric Fryer Table Of Contents Fryer Operation ..........33 5.01 Computer Controller Unit .
  • Page 7 Table Of Contents GBF-50-VH Electric Fryer 7.02.5 12-Year Fire System Inspection & Service ..........78 7.02.6 Maintenance &...

  • Page 8: Safety

    The instructions contained in this manual have been prepared to aid in learning the proper procedures for installing, operating and servicing the Giles Model GBF-50-VH Ventless Electric Fryer. Throughout the manual, safety precautions are identified by a hazard alert symbol and key words such as DANGER, WARNING or CAUTION.

  • Page 9: Specific Safety Precautions

    Safety GBF-50-VH Electric Fryer Specific Safety Precautions: For your safety, please observe the following precautions when operating or servicing this appliance. Adhering to the following important safety precautions will help to avoid personal injury and/or damage to the equipment or property.
  • Page 10 GBF-50-VH Electric Fryer Safety • The appliance must remain in an upright position. • Exercise care when removing the unit from shipping pallet. • DO NOT operate the appliance, unless you fully understand its components and their intended functions (see Section 3).
  • Page 11 Safety GBF-50-VH Electric Fryer • Components exposed on the Control Panel surface are impact-sensitive. To avoid damage and maintain proper operation, exercise care when working around or using carts/rolling tables near the appliance. • DO NOT install the unit near combustible walls and materials. Failure to maintain safe distance may result in fire.
  • Page 12 GBF-50-VH Electric Fryer Safety...

  • Page 13: Introduction

    THANK YOU for purchasing the Giles Model GBF-50-VH Ventless Electric Fryer, manufactured by Giles Enterprises, Inc., Montgomery, Alabama (USA), hereafter referred to as "Giles". Every unit is thoroughly inspected and tested prior to shipment in efforts to ensure that it will operate flawlessly when received. With proper care and maintenance the appliance will provide years of trouble-free service.

  • Page 14: Specifications

    GBF-50-VH Electric Fryer Introduction 1.03 Specifications 1.03.1 Overall Dimensions INCHES [mm] 1.03.2 Agency Certifications 1.03.3 Basket Size Description Length Width Height Volume Standard (2 per vat) 13.25 [336.6] 6.50 [165.1] 6.00 [152.4] 423.6 cu.in [6,942.8 cc] INCHES [mm]...

  • Page 15: Vat Size And Capacity

    Introduction GBF-50-VH Electric Fryer 1.03.4 Vat Size & Capacity Cooking Oil Capacity Height Product Capacity (Bottom of vat to [FULL] Length Width (Top of Model (per Basket) mark (Inside) (Inside) Element to “FULL” Level) Lbs [kg] Gal [l] Fries Chicken* 2.5 lbs 6.0 lbs GBF-50-VH 16.25 [412.8] 13.90 [353.1] 4.97 [126.2]...
  • Page 16 GBF-50-VH Electric Fryer Introduction...

  • Page 17: Installation

    Depending on local code, room size, and other appliances operating in the space, exhaust ventilation and a sufficient supply of fresh air make-up are required to provide proper room air exchange. Giles recommends 100 CFM exhaust per linear foot of hood space This requirement could different for a specific installation depending on local building codes.

  • Page 18: Unpacking

    IMPORTANT! Giles shall not be liable for damage to the unit, personal injury, or property damage caused by improper use of material handling equipment or poor work practices during installation of this equipment. Installation is the...

  • Page 19: Electrical Requirements

    Electrical material (breakers, conduit, fittings, wire, etc.) required and installation labor shall be provided by the customer. Work should be performed by a qualified professional electrical contactor. Installation must comply with all local code requirements. Giles is not responsible for code compliance with regard to installation and use of this appliance.

  • Page 20: Electrical Connection Diagram

    Installation GBF-50-VH Electric Fryer 2.05.1 Electrical Connection Diagram Incoming power Main Breaker Quick-Disconnect supply conduit from rear of unit. (Recommended) Service Box Flexible Conduit Ground Lug Distribution Block: connect supply power to this side. 2.06 Ventless Hood Clearance GBF-50-VH Fryer is equipped with an exhaust air diverter that directs exhaust air horizontally (to side and rear). The minimum clearance from the top of the diverter to the ceiling is 0”...

  • Page 21: Ventless Hood Fire Suppression System

    Installation GBF-50-VH Electric Fryer 2.07 Ventless Hood Fire Suppression System The fire suppression system the Ventless Hood fryer is an Ansul® R-102 Wet Chemical Fire Suppression System (UL197 Listed). The system is designed and UL-listed to provide fire protection for cooking appliances such as fryers.

  • Page 22: Fire Extinguisher Nozzle & Tank Locations

    All extinguisher system discharge nozzles have been factory installed and aligned in the proper position. DO NOT MOVE OR ADJUST, except on advice of a fire protection specialist. All Nozzles = Ansul 1/2N (Giles P/N 46426) PLENUM -NOZZLE, Ansul 1/2N...

  • Page 23: Fire Alarm Connection

    Installation GBF-50-VH Electric Fryer 2.10 Fire Alarm Connection Links the Ansul fire suppression system in the appliance to the facility fire alarm system to issue a signal that the Ansul fire system has been activated. Fire Alarm Connection: With hood Rear Panel removed, remove hole plug from hood top and install appropriately sized conduit and necessary fittings.

  • Page 24: Restraining Bracket

    GBF-50-VH Electric Fryer Installation 2.11 Restraining Bracket This equipment requires use of the equipped Wall Mount Restraining Bracket, which serves to prevent unintentional movement of the unit that might cause strain on electrical connections, and to safeguard against the unit tipping over. This anchoring device MUST BE USED and installed as shown below.

  • Page 25: Overview

    Overview GBF-50-VH Electric Fryer Overview The following section gives a brief overview of the GBF-50-VH Ventless Fryer components, functions, and accessories. Please review this section carefully before proceeding. Ventless Hood System 14” Cooking Vat 50-lb Shortening Cap. Computer Controller On-Board Filtration System Lower Cabinet...

  • Page 26: Baskets & Cabinet Top

    Overview GBF-50-VH Electric Fryer 3.01 Baskets & Basket Lifts * Hidden...
  • Page 27 Overview GBF-50-VH Electric Fryer 3.01 Baskets & Basket Lifts Item Description Function Optional Feature: Holds cook basket, before and after cooking. Automatically lowers basket into hot oil when cook cycle starts and Basket Lift (2) raises it when cooking is done. (Optional) Manual Basket Hanger rack is installed when Basket Lift option is not selected.

  • Page 28: Control Panel

    Overview GBF-50-VH Electric Fryer 3.02 Control Panel...
  • Page 29 Overview GBF-50-VH Electric Fryer 3.02 Control Panel Item Description Function Main power switch. Turns unit ON/OFF. Turning ON powers up the POWER Switch computer Controller and starts the Hood fan. Heating elements can only be energized by the Controller when switch is in HEAT Switch [HEAT] position.

  • Page 30: Lower Cabinet

    Overview GBF-50-VH Electric Fryer 3.03 Lower Cabinet...
  • Page 31 Overview GBF-50-VH Electric Fryer 3.03 Lower Cabinet Item Description Function Opens/closes the vat Drain Valve. Always be sure the valve is fully CLOSED (handle in left-most position to stop) prior to adding cooking oil or water for boil-out. Fryer will not heat if the Drain Valve is not completely closed! Even though safety interlocks are built in, Drain Valve Handle...

  • Page 32: Filter Pan Assembly

    Overview GBF-50-VH Electric Fryer 3.04 Filter Pan Assembly Hold-down Frame locking levers in Pan bottom.
  • Page 33 Filter Pan A FILTER ... FILTER MEDIA MUST BE USED! THIS SCREEN IS NOT REMOVABLE. Giles recommends that oil be filtered after every 4th load cooked, at a minimum. Fitting for connecting Pan Assembly to the fryer filtration system. Filter Pan Hose & Fitting Hose must be disconnected before Filter Pan can be removed from fryer.

  • Page 34: Ventless Hood

    Overview GBF-50-VH Electric Fryer 3.05 Ventless Hood...
  • Page 35 NEVER attempt to clean the Charcoal Filter ... it is NOT renewable. It is advisable to keep a spare filter on hand Charcoal Filter (Giles #30248) for quick exchange when needed! NOTE: No filter will completely remove cooking aroma. Electrostatic Air Cleaner removes grease vapors and smoke generated while cooking.

  • Page 36: Accessories Provided

    Overview GBF-50-VH Electric Fryer 3.06 Accessories Provided Part Description/Part No. Function Kettle Drain Brush Use to clean the vat drain and other P/N: 71025 parts. L- Shaped Brush Use to clean between, around and P/N: 93609 beneath heating elements. Heat-resistant, multi-purpose, use to Heat-resistant Cleaning Brush clean vat sides, bottom and heating P/N: 71100...
  • Page 37 Overview GBF-50-VH Electric Fryer 3.06 Accessories Provided Part Description/Part No. Function Use to discharge used liquid shortening to a disposal container Oil Discharge Hose when removing from the Fryer. P/N: 33667 Note: Not intended for washing down vat! Basket Contains product for cooking. Vat 13-1/4”x 6-1/2”x 6”...

  • Page 38: Accessories Not Provided

    Part Description/Part No. Function A portable oil disposal container with capacity to hold 80 lbs. of Giles Oil Caddy liquid waste shortening. P/N: 79187 Note: For use with filtered, warm oil only (no crumbs or debris). Paper filter media for use in the Filter...
  • Page 39 Overview GBF-50-VH Electric Fryer 3.07 Accessories Not Provided Part Description/Part No. Function Fryer Boil-Out P/N: 72003 Add to water in the vat to make up (4) 8-lb Jugs boil-out solution for cleaning the cook vat. P/N: 72003-1 Single 8-lb Jug Fry Pot Cover Covers fry pot during periods of P/N 93362...
  • Page 40 GBF-50-VH Electric Fryer...

  • Page 41: Pre-Operation Procedure

    4. Pre-Operation Procedure Every effort has been made to ensure that new GILES units are in perfect operating condition when received and each one has passed rigorous quality control testing prior to shipment. To ensure that it has been properly installed and will operate as expected when placed into service, we recommend that after installation work is completed, the following steps be performed to check the basic functionality of fryer systems and prepare it for first use.

  • Page 42: Heat Test

    Pre-Operation Checkout GBF-50-VH Electric Fryer 4.02 Heat Test This test confirms that Heating Elements are powered and properly energized by the Controller. Heating Elements become extremely hot when energized! Contact can result in severe burn injury. 1. Confirm that HEAT Switch ② is in the [OFF] position and Drain Valve is completely closed.

  • Page 43: Filter Pump Check

    Pre-Operation Checkout GBF-50-VH Electric Fryer 4.03 Filter Pump Test The following test is to confirm that the Filter Pump is operating correctly. 1. If not done previously, disconnect and remove Filter Pan from the unit. 2. Place the PUMP DIVIRTER VALVE handle ② in the [OIL RETURN] position (horizontal) 3.

  • Page 44: Initial Cleaning Of Appliance

    Pre-Operation Checkout GBF-50-VH Electric Fryer 4.05 Initial Cleaning of Appliance Disassemble and thoroughly clean all parts of the Filter Pan to remove residue which may remain from manufacturing processes, or dirt and debris that may have accumulated during warehousing and shipment. For details, see Section 5.02, Cleaning the Filter Pan &...

  • Page 45: Fryer Operation

    Fryer Operation GBF-50-VH Electric Fryer 5. Fryer Operation The GBF-50-VH Electric Fryer is square vat multi-purpose fryer equipped with an integral Ventless Recirculating Hood. It features a computerized cooking Controller, on-board oil filtering system, and has capacity for 50 lbs. of frying shortening.

  • Page 46: Computer Controller Unit

    GBF-50-VH Electric Fryer Fryer Operation 5.01 Computer Controller Unit This section explains the functions, features, and programming/operational procedures for the Dual-Timer Computer Cooking Controller. This controller has been designed to be user-friendly and when working with it many instructions and prompts will be shown on the Upper Display (blue) to help guide you through each process. 5.01.1 Keys and Functions Numeric Keypad: Use to enter fryer settings and to edit Menu Item cooking presets.
  • Page 47 Fryer Operation GBF-50-VH Electric Fryer 5.01.1 Keys and Functions - continued MENU Key: Action key which is pressed in combination with other keys to access programmed menu presets. Fifty (50) different Menu Item cooking presets can be programmed. EDIT Key: Action key which is pressed in combination with other keys to enter edit mode for changing or creating Menu Item preset settings.

  • Page 48: Controller - General Overview

    GBF-50-VH Electric Fryer Fryer Operation 5.01.2 Controller - General Overview The following is general operational information only. Detailed procedures and instructions are covered in subsequent sections. During operation, certain instructions and prompts will be shown on the Upper Display to help guide user through processes.

  • Page 49: Setting The Cooking Temperature

    Fryer Operation GBF-50-VH Electric Fryer 5.01.3 Setting the Cooking Temperature Cooking Temperature setpoint is input manually. Menu Item cooking presets do not include temperature settings. Instruction prompts are shown on the Upper Display to help guide User through the process. Use keypad to enter cooking temperature setpoint ( F).

  • Page 50: Manually Setting The Cook Time

    GBF-50-VH Electric Fryer Fryer Operation 5.01.4 Manually Setting the Cook Time If not selecting a Menu Item Preset, Cooking Time is manually set as follows.. IMPORTANT! If PASSCODE is enabled, Cooking Time cannot be manually input without the required password. User can only choose from available Menu Item Presets, see Section 4.01.5, Working with Menus.

  • Page 51: Working With Menu Item Presets

    Fryer Operation GBF-50-VH Electric Fryer 5.01.5 Working with Menu Item Presets NOTE: Menu Item Presets stored in the Controller do not include a cooking Temperature setting. Desired cooking temperature is always manually input, see Section 5.01.3, Setting the Cooking Temperature. Fifty (50) Menu Item Preset cook settings are stored in the Controller, each including: ●...

  • Page 52: Editing A Menu Item Preset

    GBF-50-VH Electric Fryer Fryer Operation 5.01.5.1 Editing a Menu Item Preset THERE ARE TWO WAYS TO EDIT THE NAME Editing [NAME] - Method 1: Enter letter by letter Move cursor to Name as shown press [START]. & Display changes to current Use Up [2]/Down [8] to scroll NAME with a flashing cursor through list to the desired Menu...
  • Page 53 Fryer Operation GBF-50-VH Electric Fryer 5.01.5.1 Editing a Menu Item Preset - continued Edit COOKING TIME: Move cursor [—>] to TIME as shown on previous page. Press [START] key to select display current settings. & Current time setting is displayed. Use numeric keypad to enter new TIME (mm:ss) NOTE: All digits must be entered, e.g.
  • Page 54 GBF-50-VH Electric Fryer Fryer Operation 5.01.5.1 Editing a Menu Item Preset - continued Edit FISH FILTER Setting: To minimize potential for flavor transfer, establishments cooking seafood items may wish to force operators to filter oil after only one (1) batch of a particular item is cooked. [ON] = Unit enters FILTER MODE after completing one (1) cook cycle of the specific menu item.

  • Page 55: Selecting A Menu Item Preset For Cooking

    Fryer Operation GBF-50-VH Electric Fryer 5.01.5.2 Selecting a Menu Item Preset for Cooking Direct Entry: The two (2) methods described below can be used when desired Menu No. is known. Method (B) Method (A) Enter desired Menu No. [1-50]. Enter desired Menu No. [1-50]. Use keypad to select side;...
  • Page 56 GBF-50-VH Electric Fryer Fryer Operation 5.01.5.2 Selecting a Menu Preset for Cooking - continued Scroll Method: If the Menu No. is not known, you can scroll through the list of Menu Item Presets to select the desired item ... settings for each preset will appear on the Upper Display. Use numeric keypad [2] [8] (up/down) to &...

  • Page 57: Cooking Cycle General Overview

    Fryer Operation GBF-50-VH Electric Fryer 5.01.6 Cooking Cycle General Overview Current temperature SETPOINT, MENU NAME, and COOKING TIME settings assigned to each basket are shown on the Upper Display. When in READY state, temperature setpoint is shown on Lower Display and READY message indicates that cooking oil is at temperature and fryer is ready for cooking.

  • Page 58: Other Controller Functions

    GBF-50-VH Electric Fryer Fryer Operation 5.01.6 Cooking Cycle General Overview - continued STIR ALARM: When set to [ON], an audible alarm sounds at a specific time during the cook cycle to signal operator that the product should be stirred to help promote even cooking and prevent sticking. This feature must be enabled in User Settings, Section 5.01.8 and a % parameter must be set.

  • Page 59: Cool Mode

    Fryer Operation GBF-50-VH Electric Fryer 5.01.7.2 COOL Mode COOL MODE is an energy-saving feature that changes oil temperature setpoint to a lower value. Places Fryer into an idle standby state during periods of inactivity. Enter COOL MODE by pressing the [COOL] key. The temperature setpoint changes to the [COOL TEMP] setting specified in User Settings, see Section 5.01.8.

  • Page 60: User Settings (Accessing & Editing)

    GBF-50-VH Electric Fryer Fryer Operation 5.01.8 User Settings (Accessing & Editing) Press the Press the [START] key [TIME] key Enter User Settings will be shown on the Upper Display. Use numeric keypad [4] - [6] (left - right) to scroll and display current setting. NOTE: The message “TOO LOW”...

  • Page 61: Password Protection

    Fryer Operation GBF-50-VH Electric Fryer 5.01.9 PASSWORD Protection 5.01.10 Power Up Procedure...

  • Page 62: Controller Errors And Alarms

    Actual oil temperature deviates from setpoint by the Guard ER25 GUARD BAND EXCEEDED Band amount. Factory default is 900 F ... This error should not occur. Internal controller malfunction. Contact Giles Tech Service ER37 EEPROM Error (800.554.4537). Internal controller malfunction. Contact Giles Tech Service...

  • Page 63: Resolving Controller Errors And Alarms

    If an error condition cannot be & resolved as described above, a factory-authorized service technician may be required. Call Giles Technical Support at 800.554.4537 for assistance in locating a service company near you.

  • Page 64: Cooking Procedures

    GBF-50-VH Electric Fryer Fryer Operation 5.02 Cooking Procedures This section describes procedures for cooking product on a GBF-50-VH Electric Fryer. The following procedures assume you are starting with a clean empty Fryer that has been properly prepared for use. 1. Be sure that all Hood filters are in place and Filter Access Cover is installed and securely fastened. Appliance will NOT power up if Cover is not properly installed and will NOT heat if any filter is missing.
  • Page 65 Fryer Operation GBF-50-VH Electric Fryer 5.02 Cooking Procedures - continued 7. Place HEAT Switch ② in the [HEAT] position; the HEAT light ④ will turn ON and oil begins heating. Upper Display ⑤ will indicate PREHEAT and Lower Display ⑥ shows real-time oil temperature while oil heats. Cooking oil becomes extremely HOT! Always wear thermal protection, such as oven mitts or gloves, when stirring hot oil.
  • Page 66 HOT oil from the vat. Load foods slowly and observe how hot oil reacts before continuing. 12. GILES recommends that uncooked product first be placed into the cook Basket before it is placed into hot oil, particularly when Basket Lifts are installed and being used.
  • Page 67 Fryer Operation GBF-50-VH Electric Fryer 5.02 Cooking Procedures - continued NOTE: Step #15 applies only when STIR ALARM is set to [ON] in User Settings & STIR OVERRIDE setting for the particular Menu Item Preset is set to [NORMAL] - OR - STIR ALARM=[OFF] &...

  • Page 68: Filtering Used Cooking Oil

    Always wear thermal protective gear, such as oven mitts, while performing the filtering process. Fryer parts inside the cabinet will be very HOT! 1. As a minimum, Giles recommends that oil be filtered after every fourth (4th) load has been cooked in a Fryer.
  • Page 69 Fryer Operation GBF-50-VH Electric Fryer 5.03 Filtering Used Cooking Oil - continued During the next steps, cooking oil is drained from the vat, exposing the heating elements. Even though safety interlocks are in place, failure to have HEAT Switch in the [OFF] position before draining could result in fire.
  • Page 70 GBF-50-VH Electric Fryer Fryer Operation 5.03 Filtering Used Cooking Oil - continued 12. After vat has refilled, return PUMP Switch ⑦ to the [OFF] position. 13. Check and verify oil level in the vat; add more oil if level is below [FULL].

  • Page 71: Normal Shutdown

    Fryer Operation GBF-50-VH Electric Fryer 5.04 Normal Shutdown 1. Place HEAT Switch ① in the [OFF] position. 2. Place POWER Switch ② in the [OFF] position. 3. Perform any other end of day procedures as prescribed by local Standard Operating Procedures. 5.05 Emergency Shutdown In case of emergency, remove all power from the unit by switching off circuit breakers or disconnects at the...
  • Page 72 GBF-50-VH Electric Fryer Fryer Operation...

  • Page 73: Cleaning

    GBF-50-VH Electric Fryer 6. Cleaning This section explains procedures for cleaning the GBF-50-VH Electric Fryer. As a minimum, Giles recommends that Filter Pan cleaning, as well as general fryer cleaning, be performed daily. Cleaning and maintenance for the Ventless Hood system is covered in Section 7.
  • Page 74 Removing Waste Cooking Oil from Fryer - continued 4. Slowly move Drain Valve Handle ⑥ to the [OPEN] position (right to stop). Allow waste oil to completely drain into Filter Pan. Giles Oil Caddy (not included) is depicted here for oil disposal; any suitable disposal system can be used.
  • Page 75 Cleaning GBF-50-VH Electric Fryer 6.01 Removing Waste Cooking Oil from Fryer - continued 10. Return Drain Valve Handle to the [CLOSE] position. 11. Return the Pump Diverter Valve Handle to the [OIL RETURN] position. 12. Disconnect Oil Discharge Hose from the coupling (push in white ring while pulling hose fitting from coupling). Hold the hose upright and drain any oil remaining in it into the disposal container.

  • Page 76: Boil-Out Procedure - Cleaning The Vat

    Cleaner may need to be added to vat while filling to avoid overfilling past [FULL]. Boil-Out Fryer Cleaner is available from Giles ... Order part number: #72003-1 = (1) 8-lb Jar ... #72003 = (4) 8-lb Jars.
  • Page 77 Cleaning GBF-50-VH Electric Fryer 6.02 Boil-Out Procedure - Cleaning the Vat -continued 9. At the completion of the Boil-Out cycle time, an alarm sounds and the Upper Display shows the message [DONE COOkING]. 10. Press the [ALARM] key ⑥ to silence alarm. 11.
  • Page 78 GBF-50-VH Electric Fryer Cleaning 6.02 Boil-Out Procedure - Cleaning the Vat -continued IMPORTANT! During Boil-Out, some solution can enter filter system piping under the vat. After draining and flushing vat, it is important that piping be purged to remove as much boil-out liquid as possible. Failing to do so can lead to oil contamination and problems when oil is heated to cooking temperature.

  • Page 79: Cleaning The Filter Pan & Refreshing Filter Media

    Cleaning GBF-50-VH Electric Fryer 6.03 Cleaning the Filter Pan & Refreshing Filter Media This section explains the procedure for cleaning the Filter Pan and refreshing filter media, using either reusable stainless steel Screen or disposable filter paper. This process should be performed at end of day’s operation, and after each Boil-Out procedure is completed.
  • Page 80 • Filter Paper - Only one (1) fresh sheet of properly sized filter paper is required. DO NOT use paper and Screen together. Available from Giles ... Item Number #65871 (Case of 100 sheets).

  • Page 81: Ventless Hood

    Ventless Hood GBF-50-VH Electric Fryer 7. Ventless Hood This section explains operation, maintenance and service procedures for the Ventless Hood system of the GBF-50- VH Electric Fryer. This integral Hood is a recirculating system which captures and removes grease-laden cooking vapors generated by frying.

  • Page 82: Filter Removal & Installation

    GBF-50-VH Electric Fryer Ventless Hood 7.01.2 Filter Removal Installation & Baffle Filter E.A.C. Collector Cell have sharp exposed edges, which may cause cuts. Use & due caution when handling and cleaning. Heavy duty rubber gloves are advised. Charcoal ④ are accessed by removing the Filter Cover ①. To remove, 1.

  • Page 83: Filter Operation Overview

    Ventless Hood GBF-50-VH Electric Fryer 7.02 E.A.C. Filter Operation Overview The Electronic Air Cleaner (E.A.C.) system is an filtering system designed electrostatically capture and collect grease particulate, removing it from the air stream. Three L.E.D. indicator lights on the Control Panel show a continuous operational status of the E.A.C.

  • Page 84: Baffle Filter Cleaning

    GBF-50-VH Electric Fryer Ventless Hood 7.02.1 E.A.C. Filter Cell Cleaning Timer Operation - continued ① CHANGE SOON The amber indicator turns ON when the Timer enters [WARNING] mode. If the Collector Cell is cleaned (or exchanged) within the next 24 hours, timer automatically resets and begins a new countdown. Normal operation continues without interruption.

  • Page 85: Filter Cell Cleaning

    Ventless Hood GBF-50-VH Electric Fryer 7.04 E.A.C. Filter Cell Cleaning The E.A.C. Filter Cell must be cleaned DAILY to maintain peak hood performance. Take care not to bend the collection fins or break the ionizer wires when handling and cleaning the Cell. Bent fins and broken/missing wires can prevent the EAC from working properly, cause the unit to shutdown, and potentially void the factory warranty.

  • Page 86: Charcoal Filter Maintenance

    30 to 40 days Replace the Charcoal Filter with Giles Part No. 31963. Failure to use Giles OEM Replacement Parts and Filters may void the factory warranty. IMPORTANT! Attempting to use a Charcoal Filter for too long can lead to a CLOGGED FILTER airflow alarm, see Section 7.01.11.

  • Page 87: Filter Alarm Chart

    Ventless Hood GBF-50-VH Electric Fryer 7.06 Filter Alarm Chart The following table explains the various Filter Alarms which may occur. When an alarm condition occurs, an audible alarm tone sounds. It will be either a continuous tone or an intermittent (beeping) tone, depending on the type of the alarm.

  • Page 88: Hood Maintenance

    Inspection and testing of the interlocks should be performed MONTHLY as described below. Check the appropriate box in the Service Log to indicate completion of a test. If problems are detected, contact a Giles authorize service company to have the problem evaluated and repaired. Unit with a Computer Controller will respond differently than unit with Manual Controls.

  • Page 89: Quarterly Hood Cleaning

    Ventless Hood GBF-50-VH Electric Fryer 7.07.2 Quarterly Hood Cleaning Blower Wheel Disconnect power from the unit at the main electrical panel. Remove the Filter Access Cover and all filters. Use a mild degreasing cleaner to wipe down the entire plenum and blower section of the Hood. The recommended frequency for this cleaning is every three (3) months.

  • Page 90: 12-Year Fire System Inspection & Service

    GBF-50-VH Electric Fryer Ventless Hood 7.07.5 12-Year Fire System Inspection & Service Same as Semi-annual and Annual except shall include: 1. Replacement of the R-102 wet chemical fire suppressant. 2. Hydrostatic testing of the suppressant chemical tank and gas cartridge. 3.

  • Page 91: Maintenance & Service Log

    Ventless Hood GBF-50-VH Electric Fryer 7.07.6 Maintenance & Service Log Check Initial/Date 1/15/10 Check Initial/Date 5 6* 5 6* 5 6* 7* 5 6* 7* 5 6* 5 6* 5 6* 7* 5 6* 7* 5 6* 5 6* 5 6* 7* 5 6* 7* Charcoal Filter Check EAC Filter Check...
  • Page 92 GBF-50-VH Electric Fryer Ventless Hood...

  • Page 93: Troubleshooting

    Troubleshooting GBF-50-VH Electric Fryer 8. Troubleshooting IMPORTANT! This section describes basic troubleshooting procedures for the GBF-50-VH Electric Fryer. Some simple operational issues may be corrected by the user, however most troubleshooting and repair should be performed only by qualified service technicians. 8.01 Temperature Control System Problem...
  • Page 94 GBF-50-VH Electric Fryer Troubleshooting 8.01 Temperature Control System - continued Problem Probable Cause Corrective Action FRYER WILL NOT HEAT: A. Baffle Filter missing Check, install Baffle Filter POWER light is ON HEAT Switch is in [HEAT] Check, reinstall, or properly align position B.
  • Page 95 Troubleshooting GBF-50-VH Electric Fryer 8.01 Temperature Control System - continued Problem Probable Cause Corrective Action FRYER HEATS SLOWLY: Consult Operations Manual for proper A. Improper cooking procedures Slow heat recovery procedures HEAT light remains ON constantly B. One or more heating elements Check/replace faulty element(s) faulty C.

  • Page 96: Oil Filtration System

    Troubleshooting Troubleshooting 8.02 Oil Filtration System Problem Probable Cause Corrective Action OIL NOT PUMPING BACK TO FRY A. PUMP Switch not in [PUMP] Place Switch in proper position POT: position B. Air leak in the system (hoses, Check & eliminate air leak, be sure fittings, connector, Filter Pan) quick-disconnect is secure C.
  • Page 97 Troubleshooting GBF-50-VH Electric Fryer...
  • Page 98 Giles Enterprises, Inc. P.O. Box 210247 • 2750 Gunter Park Drive West • Montgomery, Al 36121-0247 USA Phone: 334.272.1457 • Toll Free: 800.554.4537 (USA & Canada Only) • Fax: 334.239.4117 • www.gfse.com E-mail: services@gfse.com Form No. 66317 (Rel. Date: Aug.2019; Rev. A)

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