Page 1
Operations & Service Manual GBF Electric Fryers Single Unit Banked Units 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 2
Record the following information here for easy, quick reference Model: ______________________________________ Serial Number(s): [On Banked systems each unit has a separate serial number - record left to right as seen from front of units] ______________________________________ ______________________________________ ______________________________________ ______________________________________ ______________________________________ Voltage: _______ Phase: _______ Date Installed: _______________ Be ready to provide this information when calling for...
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.
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 Series Electric Fryer Throughout the manual, safety precautions are identified by a hazard alert symbol and key words such as DANGER, WARNING or CAUTION.
GBF Series Fryers Safety Specific Safety Precautions: For your safety, please observe the following precautions when operating or servicing the GBF Electric Fryer. Adhering to the following important safety precautions will help Users to avoid personal injury and/or damage to the equipment.
Page 9
Safety GBF Series Fryers • The appliance must remain in an upright position. • Exercise care when removing the unit from shipping pallet. • DO NOT operate the appliance, unless its components and their intended functions are fully understood (see Section 3).
Page 10
Safety GBF Series Fryers • 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.
GBF Series Fryers Introduction THANK YOU for purchasing the Giles Model GBF Series 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 installed. With proper care and maintenance the appliance should provide years of trouble-free service.
Introduction GBF Series Fryers 1.04 Specifications 1.04.1 Overall Dimensions: Single & Banked Units SINGLE UNIT: SIDE FRONT INCHES [mm] BANKED UNITS:...
Installation expense (materials & labor) is completely the responsibility of the purchaser. Generally, it is advisable to engage the services of a professional commercial kitchen equipment specialist, a licensed electrician, and/or a qualified HVAC contractor to assist with the details of installation. Call Giles Technical Support @ 800.554.4537, if assistance is required.
(2) units. IMPORTANT! Giles shall not be liable for damages to the unit caused by improper use of material handling equipment or poor work practices. Giles shall not be liable for personal injuries or property damage which may be incurred during installation of this equipment.
All electrical installation materials (breakers, conduit, wire, etc.) and installation labor shall be supplied by the customer and work should be performed by a licensed electrician, or qualified service technician. Installation must comply with local code requirements. Giles shall not be responsible for code compliance with regard to installation and use of this appliance.
Installation GBF-Series Fryers 2.05.1 Electrical Connections Diagram Connect flex conduit from Main Breaker Quick-Disconnect incoming supply power here. (Recommended) Service Box Flexible Conduit Distribution Block: connect supply power to this side. Ground Lug 2.06 Ventilation NOTE: Guidelines and codes for ventilation system requirements differ from locale to locale. Always consult the local Code Authorities (AHJ) to ensure compliance.
Installation GBF-Series Fryers 2.07 Restraint Device (Not Included, provided by purchaser) This equipment requires installation of an appropriate Restraint Device to prevent unintentional movement, which might cause undue strain on electrical connections. The length of restraining cable must be shorter than the electrical supply cord or conduit.
Overview GBF Series Fryers 3. Overview This section provides a brief overview of fryer components, functions, and accessories. Please review completely before proceeding further. Auto-Basket Lifts Baskets, 6-1/2” Std (Optional) Computer Controller Banked System Model GBF Filtration System Lower Cabinet...
Page 24
Overview GBF Series Fryers 3.01 Baskets & (Optional) Auto-Basket Lifts Item Description Function Holds basket in a proper position while being lifted from or lowered Basket Carrier (2) into the cook vat by the Basket Lift. Auto-Basket Lift (2) Lowers and lifts basket at beginning and end of cook cycle.
Overview GBF Series Fryers 3.02 Control Panel * NOTE: Switch location plugged if not utilized. * NOTE: Switch location plugged if not utilized.
Page 26
Overview GBF Series Fryers 3.02 Control Panel Item Description Function Power Switch Turns fryer power ON or OFF. Enables heating elements. Place in [OFF] position to disable heat; Heat Switch place in the [HEAT] position to enable elements when ready to heat cooking oil or boil-out solution.
GBF Series Fryers Overview 3.03 Lower Cabinet Area Add-on units of Banked System Single Fryer Base & only contain Drain Valve ① and Unit of Banked Oil Return Valve ③ System...
Page 28
Overview GBF Series Fryers 3.03 Lower Cabinet Area Item Description Function Opens and closes the cook vat Drain Valve. Always be sure the valve is fully in the [CLOSE] position (handle in left-most position to stop) prior to adding cooking oil, or boil out solution. Fryer will not...
GBF Series Fryers Overview 3.04 Filter Pan Assembly Hold-down Frame locking levers in Pan bottom.
Page 30
Overview GBF Series Fryers 3.04 Filter Pan Assembly Never remove the Filter Pan while it contains liquid shortening. Oil spillage and/or burn injury are possible. Please see Section 5.04, Removal of Liquid Shortening. • Always wear thermal protection, such as oven mitts, when handling these parts. They can become very HOT during normal operations! •...
GBF Series Fryers Overview 3.05 Accessories Included Description/ Part Function Part Number Kettle Drain Brush Use to clean the Fry Vat Drain and P/N: 71025 other parts. L- Shaped Brush Use to clean between, around and P/N: 93609 beneath heating elements.
Page 32
Overview GBF Series Fryers 3.05 Accessories Included Description/ Part Function Part Number 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 fry vat! Basket Use to contain product for cooking.
Overview GBF Series Fryers 3.06 Accessories Not Included Description/ Part Function Part Number 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).
Page 34
Overview GBF Series Fryers 3.06 Accessories Not Included Description/ Part Function Part Number Fryer Boil-Out (Case of 4 Jars) P/N: 72003 Add to water in the Fry Vat to make up boil-out solution for cleaning the Fryer Boil-Out (8-lb Jar) cook vat.
4. Preparation for Operating Fryer Giles takes pride in quality of workmanship. Every effort has been made to ensure that new equipment is in perfect operating condition when received. Every unit must pass rigorous quality control testing prior to shipment and to further ensure that it meets your expectations, it is recommended that this operational checkout and preparation be performed prior to using the fryer for the first time.
Fryer Preparation GBF Series Fryers 4.02 Power Check The following test confirms that the unit is properly receiving power. Perform for each unit in a banked system. 1. Set up unit as described in Section 4.01. 2. Be sure the main circuit breaker powering the unit is ON.
Fryer Preparation GBF Series Fryers 4.03 Heating Element Check - continued ⑤ ⑥ 7. Set the Heat Switch to the [HEAT] position. The HEAT light should turn ON. Leave switch in [HEAT] position for NO MORE THAN 10 to 12 SECONDS, then return to [OFF].
Fryer Preparation GBF Series Fryers 4.05 Boil-Out Procedure Perform a Boil-Out Procedure to remove any dirt/debris that may have accumulated during shipment, or residue remaining from manufacturing processes. See Section 6.01, Boil-Out Procedure. After the Boil Out procedure has been completed, proceed to Section 4.06.
5. Fryer Operation GBF Series Fryers are available in several different optional configurations: a single unit, a banked battery of up to five (5) fryer units, and with or without automatic basket lifts. Differences in procedures are noted where needed and, in some cases, separate sections are used to describe procedures for a different configuration.
GBF Series Fryers Fryer Operation 5.01 Computer Controller The following sections explain the functions, features, programming, and operational procedures for the Dual-Timer Computer Cooking Controller. 5.01.1 Keys and Functions Numeric Keypad: Used for entering Fryer settings and to edit preset Menu Item cooking parameters.
GBF Series Fryers Fryer Operation 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 entering new Menu Item Preset cook settings.
GBF Series Fryers Fryer Operation 5.01.2 Controller General Operation The following is general operational information only. Detailed procedures and instructions are covered in later Manual sections. During operation, instructions and prompts will be shown on the Upper Display to help guide user through processes.
GBF Series Fryers Fryer Operation 5.01.3 Setting the Cooking Temperature Cooking temperature setpoint must be input manually as shown below. Menu Item presets do not include the cooking temperature setting. Instructions are shown on the Upper Display to help guide user through the process.
GBF Series Fryers Fryer Operation 5.01.4 Manually Setting the Cook Time If not using one of menu item presets, cooking time is manually set as follows.. IMPORTANT! If PASSCODE is enabled, cooking time cannot be manually input without the required password. User may only choose from available Menu Item Preset selections, see Section 5.01.5, Working with Menus.
GBF Series Fryers Fryer Operation 5.01.5 Working with Menu Item Presets NOTE: The Menu Presets stored in the controller do not include a cooking temperature setting. Cooking temperature setpoint is always manually input, see Section 5.01.3, Setting the Cooking Temperature.
GBF Series Fryers Fryer Operation 5.01.5.1 Editing a Menu Item Preset Two different methods can be used to edit the item NAME Editing [NAME] - Method 1: Enter NAME letter by letter. Select NAME as shown on left. A flashing cursor is Use Up [2] •...
Page 50
GBF Series Fryers Fryer Operation 5.01.5.1 Editing a Menu Item Preset - Continued Edit COOKING TIME: Scroll to and select TIME for edit as shown on previous page. Current time setting will be displayed. Use numeric keypad to enter new TIME (mm:ss) NOTE: All digits must be entered, e.g.
Page 51
Fryer Operation GBF Series Fryers 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 operator to filter oil after only one (1) batch item is cooked. When FISH FILTER is set to [ON], the unit will enter FILTER MODE after completing (1) load of the specific item.
Fryer Operation GBF Series Fryers 5.01.5.2 Selecting a Menu Item Preset for Cooking B. Scroll Method - Scroll through list of Menu Presets. A. Direct Entry Method - desired Menu No.known. Settings are shown on the Upper Display. Enter desired Menu no. [1-50].
GBF Series Fryers Fryer Operation 5.01.6 Cooking Cycle General Overview COOKING TEMPERATURE • ITEM NAME • COOK TIME • STIR OVERRIDE • FISH FILTER settings are shown on the Upper Display. READY message indicates that cooking oil is at set temperature and fryer is ready for cooking.
GBF Series Fryers Fryer Operation 5.01.7 Other Controller Features 5.01.7.1 Manually Operating the Basket Lifts (if equipped, optional) Press the [BASKET] key once Use keypad [2] UP • [8] DOWN keys to raise or lower one of the Lifts Press [CLEAR] to Cancel the operation.
GBF Series Fryers Fryer Operation 5.01.7.3 AUTO-COOL Feature When the AUTO-COOL feature is turned [ON], the fryer will automatically enter COOL MODE if no cook cycles are started within the amount of time specified by the [AUTOCOOL TIME] setting in User Settings, see Section 5.01.8, Edit User Settings.
GBF Series Fryers Fryer Operation 5.01.8 User Settings, Accessing & Editing Access the User Settings menu is as follows: Press the Press the [START] key [TIME] key Input To view current settings, use numeric keypad [4] - [6] (left/right) to scroll NOTE: through and display each setting in the Upper Display.
An error occurred while saving settings to the EEPROM. Contact ER37 EEPROM Error Giles Tech Service (800.554.4537). The ADC (Analog-to-Digital Converter) chip that reads output ER38 Internal ADC Error from thermocouples is not working. MCB1 board must be replaced. Contact Giles Tech Service (800.554.4537).
PREHEAT mode. Heating elements will not turn ON until [START] is pressed. NOTE: If an error condition cannot be resolved or continues to occur frequently, please contact a factory- authorized service agent, or call 800.554.4537 for Giles Technical Support.
GBF Series Fryers Fryer Operation 5.02 Cooking Procedures This section explains the procedure for cooking products on the GBF Fryer with a computer controller. This explanation assumes starting with a clean empty Fryer. Except when filtering oil, keep the OIL RETURN VALVE in the lower cabinet set in the [CLOSE] position.
Page 61
GBF Series Fryers Fryer Operation 5.02 Cooking Procedure - continued ⑧ 6. If the unit is equipped with basket lifts and you want to use them, place Lift Switch in the [LIFT] position. If lifts are not installed, there is no Lift Switch.
Page 62
GBF Series Fryers Fryer Operation 5.02 Cooking Procedure - continued ⑪ 10. Check oil level ... it should now be at the [FULL] mark . If not, add shortening and stir in. If the HEAT light turns ON after adding additional oil, continue stirring and wait until it turns OFF again before cooking.
Page 63
GBF Series Fryers Fryer Operation 5.02 Cooking Procedure - continued 14. With basket lifts installed: ⑮ and on Raise lifts as necessary ... press [BASKET] key keypad ⑯ press [2-UP] arrow key, then press [4]•[5]•[6] to select which lift to raise. Place basket onto carrier. The lift will automatically lower when a cooking cycle is started.
Page 64
GBF Series Fryers Fryer Operation 5.02 Cooking Procedure - continued Always wear thermal protection, such as gloves or oven mitts, when handling hot Baskets. NOTE: Step #19 applies only if user setting [STIR ALARM ENABLE] = ON & [STIR OVERRIDE] setting for selected item = NORMAL.
GBF Series Fryers Fryer Operation 5.03 Filtering Used Cooking Oil This section explains use of the on-board Oil Filtration System for reconditioning used cooking oil. The system circulates oil through filter media in the Filter Pan and back to the fryer vat. Routinely performing this procedure can increase useful life of cooking oil by as much as 50%.
Page 66
Use of a quality filter aid is essential for removing soluble impurities and reconditioning the oil. Portion packed Filter Powder is available from Giles dealers and distributors ... Item #72004. 7. Replace Pan Cover and reposition assembled Filter Pan under unit and reconnect ④...
Page 67
GBF Series Fryers Fryer Operation 5.03 Filtering Used Cooking Oil - continued ⑦ 8. On the fryer unit being filtered, set the Oil Return Valve Handle to the [FILL POT] position (horizontal). On banked systems, Oil Return Valves of all other units MUST be in the [CLOSE] position (vertical).
Page 68
GBF Series Fryers Fryer Operation 5.03 Filtering Used Cooking Oil - continued Always wear thermal protection when performing this step; parts can be excessively hot! ⑪ 14. After refilling vat, remove filter pan from fryer (Step-3). Use the supplied Crumb Shovel and taking care not damage or puncture the filter media, scoop filter sediment from its surface and dispose.
Oil removal must also precede performance of Boil-Out procedures. In this section a Giles Oil Caddy (not provided) is referenced as waste oil handling equipment. DO NOT attempt to pump cold, congealed oil. The filter pump can clog and be damaged.
Page 70
GBF Series Fryers Fryer Operation 5.04 Removal of Waste Cooking Oil from Fryer - continued For banked fryer systems, this instruction refers to the unit with Filter Pan : ⑧ ⑨ (push in on the slip-ring 5. Connect the provided Waste Oil Discharge Hose to the Discharge Coupling while inserting brass hose fitting).
Page 71
GBF Series Fryers Fryer Operation 5.04 Removal of Waste Cooking Oil from Fryer 10. On the unit being drained, position Drain Valve Handle ⑭ to the [CLOSE] position. ⑮ 11. Place the Pump Diverter Valve Handle to the [OIL RETURN] position. Unit with filter pan on banked system.
GBF Series Fryers Fryer Operation 5.05 Normal Shut-Down Shutting down the fryer. Applies to each unit in a banked system. ① 1. Set Heat Switch to [OFF]. ② in [OFF] position. 2. Place Power Switch ③ 3. Verify that the Oil Return Valve is set in the [CLOSE] position (on all units of banked system).
Cleaning 6. Cleaning This section describes procedures for cleaning and maintaining GBF Series Fryers, which are necessary to keep them in good operating condition. General cleaning of the appliance should be performed daily and other activities should be preformed as described by the following.
Page 74
GBF Series Fryers Cleaning 6.01 Boil-Out Procedure - Cleaning the Fry Vat, continued DO NOT allow a “rolling boil” ... it can result in an overflow, causing damage to the unit and possible personal injury. It is not necessary to achieve the cleaning action. Follow directions for the cleaner being used.
Page 75
GBF Series Fryers Cleaning 6.01 Boil-Out Procedure - Cleaning the Fry Vat, continued ⑦ 11. Position a suitable heat resistant catch container (not provided) beneath the fryer drain. NOTE: Banked fryer systems have multiple drain tubes; be certain container is positioned so that used boil-out solution will properly drain into it.
Page 76
GBF Series Fryers Cleaning 6.01 Boil-Out Procedure - Cleaning the Fry Vat, continued PURGING: 13. Set Oil Return Valve of fryer being cleaned to the [FILL POT] position and Pump Diverter Valve to the [OIL RETURN] position. ⑧ 14. Leave the Drain Valve Handle in the [OPEN] position.
Boil-Out Procedure (Section 6.01), as well as part of a daily cleaning routine. GILES recommends using a non-toxic, non-detergent, biodegradable degreaser cleaner, such as SIMPLE GREEN® Crystal Foaming Spray Cleaner/Degreaser along with hot water, to clean the filter pan and components.
Page 78
Ideally screen should be allowed to dry overnight before reinstalling. • Filter Paper - remove soiled paper and discard. Replace with one (1) fresh sheet of properly sized filter paper. Available through Giles dealers & distributors: P/N 65871. ⑦...
GBF Series Fryers Troubleshooting 7. Troubleshooting The following describes various troubleshooting procedures. If needed, refer to the wiring diagram included with this manual or affixed to the fryer back panel as an aid for more detailed analysis. Troubleshooting by user should be limited to operational issues only.
Page 80
GBF Series Fryers Troubleshooting 7.01 Temperature Control System, continued Problem Probable Cause Repair Procedure FRYER HEATING SLOW or SLOW A. Incorrect cooking procedures. A. Consult Operations Manual for RECOVERY TIME proper procedure. Heat light stays ON, does not cycle B. Replace faulty element.
GBF Series Fryers Troubleshooting 7.01 Temperature Control System, continued Problem Probable Cause Repair Procedure FRYER WILL NOT HEAT: A. Turn Power Switch OFF for A. Power surge. Power light ON. approx. 5 seconds. Heat Switch in HEAT position. B. Replace contactor.
GBF Series Fryers Troubleshooting 7-03. Basket Lift System (Optional) Problem Probable Cause Repair Procedure BASKET WILL NOT GO UP OR DOWN A. Power not ON. A. Set Power Switch to ON position. (Applies Only to fryers with basket lift option) B.
Website: www.gfse.com or e-mail services@gfse.com. The goal at Giles is to provide the best service and customer support in the industry. To help us accomplish this, please become familiar with the equipment specification data and refer to it when calling. The information is located on a Data/Serial Label attached to the Back Panel or inside the Cabinet of each Fryer unit.
GBF Series Fryers Parts List 8.02 Control Panel - Single Unit & Main Unit of Banked System - OR - - OR - Not Shown + Switch location is plugged on units without basket lift and/or units not containing the Pump.
Page 86
GBF Series Fryers Parts List 8.02 Control Panel - Single Unit & Main Unit of Banked System ITEM PART NO. DESCRIPTION 21379 CONTROLLER, CC10, DUAL TIMER 21190 SWITCH, ROCKER, ON-OFF, 250V, 20A, DPST 21052 3, 2 or1 SWITCH, ROCKER ,ON-OFF-ON, 250V, 20A, DPDT...
GBF Series Fryers Parts List 8.03 Lower Cabinet - Single Unit or Main Unit of Banked Fryer System Behind Panel Not shown + Only partially shown...
Page 88
GBF Series Fryers Parts List 8.03 Lower Cabinet - Single Unit or Main Unit of Banked Fryer System ITEM PART NO. DESCRIPTION 45755 DIVERTER VALVE, 3-WAY, 1/2-NPT, NICKEL PLATED 40784 BALL VALVE, 1/2-NPT, STAINLESS w/TEFLON SEALS 92784 DRAIN VALVE HANDLE WELD ASSEMBLY...
GBF Series Fryers Parts List 8.07 Lower Rear Cabinet: Banked Fryer System Add-on Add-on Main Add-on Add-on 5-Bank 3-Bank Unit 4-Bank 2-Bank...
Page 96
GBF Series Fryers Parts List 8.07 Lower Rear Cabinet: Banked Fryer System ITEM PART NO. DESCRIPTION 92827 1 or 2 DRAIN TUBE WELD ASSEMBLY, LONG (Required ONLY for 4 or 5-Banked units) 92825 1 or 2 DRAIN TUBE WELD ASSEMBLY, SHORT (Required ONLY for 2 or 3-Banked units) 41119 HOSE, CORRUGATED, SS, 1/2”I.D.
GBF Series Fryers Parts List 8.08 Cabinet Underside - Banked Fryer System Banked systems may be configured with 2, 3, 4 or 5 fryer units Add-on Add-on Add-on Add-on 3-Bank 2-Bank 5-Bank Main 4-Bank Unit 10 + + 2-Bank Configuration ONLY...
Page 98
GBF Series Fryers Parts List 8.08 Cabinet Underside - Banked Fryer System ITEM PART NO. DESCRIPTION 92827 1 or 2 DRAIN TUBE WELD ASSEMBLY, LONG (Required ONLY for 4 or 5-Bank units) 92825 1 or 2 DRAIN TUBE WELD ASSEMBLY, SHORT (Required ONLY for Banked units) 41119 HOSE, CORRUGATED, SS, 1/2”I.D.
GBF Series Fryers Parts List 8.09 Fry Vat Assembly Top View Bottom View * Computer controller models only + Fitting plugged on mechanical timer units...
Page 102
Parts List GBF Series Fryers 8.10 Filter Pan ITEM PART NO. DESCRIPTION 92623 HOLD-DOWN FRAME 65781 FILTER PAPER MEDIA; PAN REQUIRES (1) SHEET (Supplied as Case of 100 Sheets) 41078 FILTER SCREEN, REUSABLE, STAINLESS STEEL, MICRO-MESH (Standard w/purchase) 40649 SWIVEL CASTER, 2-1/5”, PLATE MOUNT 41073 HOSE, 1/2 NPT x 12-1/2”...