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Southbend GS-20SC Owner's Manual

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Owner's Manual
G-Series, SL-Series & B-Series
ELECTRIC CONVECTION OVENS
Improper installation, adjustment, alteration, service or maintenance can cause property damage, injury
or death. Read the installation, operating and maintenance instructions thoroughly before installing or
M
R
ANUAL 1181958
EV 8 (02/23)
$21.00
Model ES-10SC
servicing this equipment.
1100 Old Honeycutt Road Fuquay-Varina, North Carolina 27526 USA
www.southbendnc.com
WARNING
SOUTHBEND
A Middleby Company
IMPORTANT FOR FUTURE REFERENCE
Please complete this information and retain this
manual for the life of the equipment:
Model #: ___________________________
Serial #: ___________________________
Date Purchased: _____________________
Model GS-20SC
ELECTRIC C
ONVECTION
M
S
ANUAL
ECTION
O
VENS
CO

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Summary of Contents for Southbend GS-20SC

  • Page 1 Owner’s Manual G-Series, SL-Series & B-Series ELECTRIC CONVECTION OVENS Model ES-10SC Model GS-20SC WARNING Improper installation, adjustment, alteration, service or maintenance can cause property damage, injury or death. Read the installation, operating and maintenance instructions thoroughly before installing or servicing this equipment.

  • Page 3: Table Of Contents

    Congratulations! You have purchased one of the finest pieces of heavy-duty commercial cooking equipment on the market. You will find that your new equipment, like all Southbend equipment, has been designed and manufactured to meet the toughest standards in the industry. Each piece of Southbend equipment is carefully engineered and designs are verified through laboratory tests and field installations.

  • Page 4: Specifications

    National Electrical Code, ANSI/NFPA 70, or the Canadian Electrical Code, CSA C22.2, as applicable. Southbend reserves the right to change specifications and product design without notice. Such revisions do not entitle the buyer to corresponding changes, additions, or replacements for previously purchased equipment.
  • Page 5 Specifications LECTRIC ONVECTION VENS EXTERIOR DIMENSIONS Single-Deck Ovens Model Depth Dimensions Oven Interior Rack Clearance Shipping Crate Number width depth height width depth width depth height volume weight ES/10... 37.25” 30.25” 29” 21.5” 20” 28.25” 21” 57.50” 45.5” 45” 68.1 cu. ft. 620 lbs.
  • Page 6 Specifications LECTRIC ONVECTION VENS Double-Deck Ovens Model Depth Dimensions Oven Interior Rack Clearance Shipping Crate Number width depth height width depth width depth height volume weight ES/20... 30.25” 37.25” 29” 21.50” 20” 28.25” 21” 57.5” 45.5” 81.5” 123.4 cu. ft. 1040 lbs SLES/20...

  • Page 8: Installation

    Installation LECTRIC ONVECTION VENS NSTALLATION NOTICE These installation procedures must be followed by qualified personnel or 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.
  • Page 9 Installation LECTRIC ONVECTION VENS Step 2a: Installation of Legs on Single-Deck Ovens 1. Raise oven sufficiently to allow clearance for the legs to be attached. Use of a lift truck or other mechanical lifting means is recommended. For safety, “shore up” and support the oven with an adequate blocking arrangement strong enough to support the load.
  • Page 10 Installation LECTRIC ONVECTION VENS Step 2b: Installation of Legs on Double-Deck Ovens Double-deck oven can be shipped either already bolted together, or as two separate ovens to be bolted together after delivery. In either case, the oven that is (or will be) the lower oven will have leg pads already bolted to the bottom corners of the oven.
  • Page 11 1. Secure the restraining-device bracket (item “B” in the following illustration) to a wall stud located as close as possible to the appliance connector inlet and outlet connections. Use four #12 screws (items “C”) and plastic anchors (items “A”) if necessary. Note: Kit can be purchased from Southbend OPERATOR’S MANUAL 1181958 REV 8 (02/23) PAGE...
  • Page 12 Installation LECTRIC ONVECTION VENS 2. Install eye-bolt (item “F”) to a frame member on the rear of the equipment. After checking carefully behind the frame member for adequate clearance, drill a 1/4” hole through the frame member. 3. Thread hex nut (item “G”) and slide the washer (item “H”) onto the eye-bolt. Insert the eye-bolt through the 1/4” drilled hole and secure with a washer (item “H”) and nylon lock nut (item “I”).
  • Page 13 Installation LECTRIC ONVECTION VENS 6. Lift the top oven and position it on top of the lower oven, as shown in the drawing below. 7. Move to the rear of the ovens and remove the six screws shown as items “A” in the left-hand drawing below. Position the tie bracket (item “B”) as shown in the right-hand drawing below.
  • Page 14 Installation LECTRIC ONVECTION VENS 8. Insert two bolts (items “A” in the following diagram) up through the top of the lower oven and screw them into the threaded holes in the bottom of the top oven. Tighten these bolts and the screws that you did not tightened in the previous step.
  • Page 15 Installation LECTRIC ONVECTION VENS Step 5: Installation of Optional Open Pan Storage on G-Series & SL-Series Ovens The following describes how to assemble the optional open pan storage for G-Series and SL-Series ovens. All holes are pre-drilled for the provided screws. 1.
  • Page 16 Installation LECTRIC ONVECTION VENS 4. Hang the two pan guides from the frame hangers. The guides cannot be inserted from the side of the oven because the legs are in the way. Instead, begin by holding the guide parallel to the side of the oven with the horizontal bars of the guide extending inward (so tat the pans can rest on them).
  • Page 17 Installation LECTRIC ONVECTION VENS Step 6: Connect Electricity Supply WARNING ELECTRIC GROUNDING INSTRUCTIONS This appliance, when installed, must be electrically grounded in accordance with local codes, or in the absence of local codes, with the National Electrical Code, ANSI/NFPA 70 or the Canadian Electrical Code, CSA C22.2, as applicable. Ovens are shipped wired for either single-phase or three-phase power according to the original factory order.
  • Page 18 Installation LECTRIC ONVECTION VENS 5. Route the supply wires and the grounding wire through the hole on the back of the oven. Use a strain-relief fitting. 6. Attach each supply wire to the appropriate terminal of the contactor (according to the wiring diagram). 7.

  • Page 19: Operation

    Operation LECTRIC ONVECTION VENS PERATION OPERATING THE CONTROLS A convection oven is a different type of oven that offers many features and advantages to the food service operation. The additional capabilities and features of the oven require some learning. However, the operation of the oven is not difficult to understand or control once you have some practice.
  • Page 20 Operation LECTRIC ONVECTION VENS Control Panel of STANDARD Models Fan Mode In COOK mode, the fan runs Power Switch COOK continuously except when the doors Switch ON to use the oven, switch are open. The fan does NOT cycle OFF when done using the oven. COOL with the operation of the burners.
  • Page 21 Operation LECTRIC ONVECTION VENS Operation of STANDARD Models Models with Standard Controls operate much like a standard oven: you turn the oven ON and select a cooking temperature. Two additional controls are used to control the fan (as described below). The timer is a reminder to you of when to remove food from the oven.
  • Page 22 Operation LECTRIC ONVECTION VENS Control Panel of CYCLE/COOK and HOLD Models Fan Mode In COOK mode, the fan runs except Power Switch when the doors are open. The fan Switch ON to use the oven, switch COOK does NOT cycle with the operation OFF when done using the oven.
  • Page 24 Operation LECTRIC ONVECTION VENS If you open the oven doors, the fan and burners will temporarily shut off, and the time display will pause until the oven doors are closed again. For ovens that are equipped with an oven interior light, to turn on the light press and hold the switch located at the bottom of the control panel.
  • Page 25 Operation LECTRIC ONVECTION VENS Control Panel of Standard Touchscreen Models OPERATOR’S MANUAL 1181958 REV 8 (02/23) PAGE OF 64...
  • Page 26 Operation LECTRIC ONVECTION VENS Control Panel of Touchscreen Models with NRG Mode PAGE OF 64 OPERATOR’S MANUAL 1181958 REV 8 (02/23)

  • Page 27: Operation For Touchscreen Models Only

    All button pushes will cause the buzzer to make a chirp (see Settings in Configuration section to adjust volume). 2. Power Button – Located in the center of the screen below the Southbend logo, pressing this button leads to the Power Cooking Mode Page.
  • Page 28 Operation LECTRIC ONVECTION VENS Cooking Mode Disclaimer: All recipes provided in this manual are for reference only and do not reflect real cook times and temperatures. For suggested times and temperatures for recipes, see Cooking Hints section. 1. Power Button – Sends user back to Main Screen. Resets all cooking modes by ending current cooking options and terminates blower and heat source.
  • Page 29 Operation LECTRIC ONVECTION VENS MANUAL COOKING Manual Cooking Setup NOTICE All selections are remembered after a cooking cycle has begun and will be recalled upon return to the page until power is cycled. If selections were made but Cook was not pressed or the power was cycled, the selections will return to previous default settings.
  • Page 30 Operation LECTRIC ONVECTION VENS 1. Cook Time – Displays cook time in either MM:SS or HH:MM with a circular bar that grows as time progresses. Time can be altered at any point by either using the add/subtract 1m buttons to add or subtract 1 minute from the time, or else clicking on the time itself.
  • Page 31 Operation LECTRIC ONVECTION VENS 5. If finished, press the Save button. Otherwise, press the Stage drop-down menu to add more stages. If Save button is not pressed a prompt will pop up asking to save changes when exiting setup page. 6.
  • Page 32 Operation LECTRIC ONVECTION VENS Rack Cooking Rack Cooking is used to cook recipes of similar cooking temperature and fan speed (Rack Group) simultaneously. Recipes need to be created ahead of time to make Rack Groups. Similar recipe cooking temperature is defined within the limits of the Group Temp Allowance temperature added to the cook temperature of the first item in the group (see example).
  • Page 33 Operation LECTRIC ONVECTION VENS Rack Run 9 Square 1. Select Rack from Cooking Mode page. 2. Select the recipe group from Group Selection page. 3. If internal temperature is lower than the group temperature the top ribbon will read Preheating and if above, it will read Too Hot. 4.
  • Page 34 Operation LECTRIC ONVECTION VENS CONFIGURATION Service Only USB Access The access to the USB port to import/export recipes, update software versions, and add Icons is located on the back of the control panel. Remove the two screws securing the control panel and pull out. Underneath the digital display you will find the USB port.
  • Page 35 Operation LECTRIC ONVECTION VENS Setup Enter manager provided code to enter Setup Parameters page. 1. Units – Toggles between °F and °C 2. Time & Date – Used to record faults 3. Buzzer Volume – Toggle between High, Medium, and Low 4.
  • Page 36 Operation LECTRIC ONVECTION VENS 9. Fault Log – Displays all faults that have occurred along with date and time they occurred until cleared. When a temperature warning is active the only options are to Turn Off the unit or go into Cool Down mode. The warning is only available if blower or heat source is already on, otherwise a ribbon with Cavity/Controls Too Hot is visible and does not allow activation of any cooking modes.

  • Page 38: Cooking Hints

    Cooking Hints LECTRIC ONVECTION VENS COOKING PROBLEMS AND SOLUTIONS If... then... Cakes are dark on the sides and not done in the center… lower oven temperature Cake edges are too brown… reduce number of pans or lower oven temperature. Cakes have a light outer color… raise temperature.
  • Page 39 Cooking Hints LECTRIC ONVECTION VENS Cooking Time Temperature Number of Racks Baked Goods Bread, 2 lb. loaf 35 min. 375 °F Biscuits 5-10 min. 350 °F Cornbread. 18 min. 400 °F French Bread 10 min. 375 °F Sheet Cake 18-20 min. 300 °F Cream Puffs 20 min.

  • Page 41: Cleaning

    VENS SEMI-ANNUAL CLEANING At least twice a year have your Southbend Authorized Service Agency or another qualified service technician clean and adjust the unit for maximum performance. At least twice a year the oven’s venting system should be examined and cleaned.

  • Page 43: Adjustments

    Adjustments LECTRIC ONVECTION VENS Door Chain Adjustment TEMPERATURE CONTROLLER (Standard-Control Models Only) The calibration of the temperature controller should not be changed until sufficient experience with cooking results has definitely proved that the temperature controller is not maintaining proper oven temperatures. Before any recalibration is attempted, the oven temperature should be checked by the following procedure: 1.
  • Page 44 Adjustments LECTRIC ONVECTION VENS CONVERSION FROM SINGLE-PHASE TO THREE-PHASE POWER (OR VICE VERSA) Ovens are shipped wired for either single-phase or three-phase power according to the original factory order. If the oven installation requires changing the type of power used by the oven, follow the procedure below. The following drawing shows the locations of items referred to in the procedure.
  • Page 45 Adjustments LECTRIC ONVECTION VENS Wiring for Three- Wiring for Single- Phase Power Phase Power Element Connections Element Connections Contactor Contactor Phase A Phase B Phase C Supply-Power Supply-Power Wiring is different for 415V ovens; refer to corresponding wiring diagram (see page 48). 7.

  • Page 47: Troubleshooting

    Troubleshooting LECTRIC ONVECTION VENS CONTROL PANEL ACCESS AND SHUT-OFF SWITCH To access the control panel components, remove the remove the two thumbs screws at the top and bottom of the control panel and slide the control panel out (see 1ST picture). A wiring diagram for the oven is located on the side of the control panel assembly When the control panel is slid out, all power to the control panel is cut off by a shut down switch that is located directly inside the opening and below the control panel (see 2ND picture).
  • Page 48 3. Loosen the two square heads on blower wheel hub. 4. Pull blower wheel from motor shaft. If blower wheel is difficult to pull off, use puller disk (available from Southbend as part number 1179100). WIRING DIAGRAMS A wiring diagram is located on the side of the control panel assembly (as shown on page 47). Wiring diagrams also appear on the following pages of this manual.
  • Page 49 Troubleshooting LECTRIC ONVECTION VENS Wiring Diagram for 208-240 Volt Models with Standard Controls OPERATOR’S MANUAL 1181958 REV 8 (02/23) PAGE OF 64...
  • Page 50 Troubleshooting LECTRIC ONVECTION VENS Wiring Diagram for 480 Volt Models with Standard Controls PAGE OF 64 OPERATOR’S MANUAL 1181958 REV 8 (02/23)
  • Page 51 Troubleshooting LECTRIC ONVECTION VENS Wiring Diagram for 415/240 Volt Models with Standard Controls OPERATOR’S MANUAL 1181958 REV 8 (02/23) PAGE OF 64...
  • Page 52 Troubleshooting LECTRIC ONVECTION VENS Wiring Diagram for 380/220 Volt Models with Standard Controls PAGE OF 64 OPERATOR’S MANUAL 1181958 REV 8 (02/23)
  • Page 53 Troubleshooting LECTRIC ONVECTION VENS Wiring Diagram for 208-240 Volt Models with Cycle/Cook & Hold Controls OPERATOR’S MANUAL 1181958 REV 8 (02/23) PAGE OF 64...
  • Page 54 Troubleshooting LECTRIC ONVECTION VENS Wiring Diagram for 480 Volt Models with Cycle/Cook & Hold Controls PAGE OF 64 OPERATOR’S MANUAL 1181958 REV 8 (02/23)
  • Page 55 Troubleshooting LECTRIC ONVECTION VENS Wiring Diagram for 415/240 Volt Models with Cycle/Cook & Hold Controls OPERATOR’S MANUAL 1181958 REV 8 (02/23) PAGE OF 64...
  • Page 56 PHASE 11.0 3.667 3.667 3.667 16.7 16.7 28.9 HEATING ELEMENTS 16.7 TERMINAL STRIP MOTOR & CONTROL L3-N SOUTHBEND CONVECTION OVEN ELECTRIC CCH 1180417 WIRING DIAGRAM 380/220V, 50/60HZ, 2 SPD, 1/2 HP PAGE OF 64 OPERATOR’S MANUAL 1181958 REV 8 (02/23)
  • Page 57 24.2 42.0 24.2 ELEMENTS F/M TERMINAL 11.0 3.667 3.667 30.5 30.5 52.9 3.667 30.5 SPADE TERMINAL MOTOR & 220V 50Hz CONTROL TERMINAL STRIP SOUTHBEND SCHEMATIC, TOUCHSCREEN WIRING DIAGRAM 208/240V ELEC 1407915 OPERATOR’S MANUAL 1181958 REV 8 (02/23) PAGE OF 64...
  • Page 58 SPADE TERMINAL L1-L2 L2-L3 L1-L3 TOTAL PHASE PHASE HEATING ELEMENTS 11.0 13.2 3.667 3.667 3.667 13.2 22.9 13.2 TERMINAL STRIP MOTOR & CONTROL SOUTHBEND SCHEMATIC, TOUCHSCREEN WIRING DIAGRAM 480V ELEC 1407916 PAGE OF 64 OPERATOR’S MANUAL 1181958 REV 8 (02/23)
  • Page 59 L1-L2 L2-L3 L1-L3 TOTAL PHASE PHASE HEATING ELEMENTS 11.0 15.3 3.667 3.667 3.667 15.3 45.9 15.3 TERMINAL STRIP MOTOR & CONTROL L3-N SOUTHBEND SCHEMATIC, TOUCHSCREEN WIRING DIAGRAM 415V WYE ELEC 1407917 OPERATOR’S MANUAL 1181958 REV 8 (02/23) PAGE OF 64...
  • Page 60 SPADE TERMINAL L1-L2 L2-L3 L1-L3 TOTAL PHASE PHASE HEATING ELEMENTS 11.0 16.7 3.667 3.667 3.667 16.7 28.9 16.7 TERMINAL STRIP MOTOR & CONTROL L3-N SOUTHBEND SCHEMATIC, TOUCHSCREEN WIRING DIAGRAM 380V ELEC 1407918 PAGE OF 64 OPERATOR’S MANUAL 1181958 REV 8 (02/23)
  • Page 61 LECTRIC ONVECTION VENS Notes: OPERATOR’S MANUAL 1181958 REV 8 (02/23) PAGE OF 64...
  • Page 62 LECTRIC ONVECTION VENS Notes: PAGE OF 64 OPERATOR’S MANUAL 1181958 REV 8 (02/23)
  • Page 63 LECTRIC ONVECTION VENS Notes: OPERATOR’S MANUAL 1181958 REV 8 (02/23) PAGE OF 64...
  • Page 64 & B-SERIES ELECTRIC CONVECTION OVENS A product with the Southbend name incorporates the best in durability and low maintenance. We all recognize, however, that replacement parts and occasional professional service may be necessary to extend the useful life of this appliance.

This manual is also suitable for:

Sl-seriesB-seriesEs-10scG-series