Installation & Operation Manual
Contents
1. IMPORTANT FOR FUTURE REFERENCE a Since 1898 N Please complete this information and retain this OUTI i 31 m e manual for the life of the equipment Fi B Model Serial Date Purchased Owner s Manual G Series SL Series amp B Series GAS CONVECTION OVENS Model GS 15SC Model GS 25SC N 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 1100 Old Honeycutt Road Fuquay Varina North Carolina 27526 USA www southbendnc com MANUAL 1181887 REV 9 10 14 ECN 14 150 NSF di ey amp GAS CONVECTION OVENS 21 00 VA Nest NE OA MANUAL SECTION CO SAFETY PRECAUTIONS GAS CONVECTION OVENS 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 N DANGER This symbol warns of immediate hazards that will result in severe injury or death N WARNING This symbol refers to a potential hazard or unsafe practice that could result in injury or death AN CAUTION2. F desired during the hold mode You can change the desired holding temperature using the up arrow and down arrow buttons to the right of the temperature display window while holding down the Hold button If you want the oven to enter Hold Mode after the cook time be sure that the Hold Mode Indicator is lit if itis not press and release the Hold button so that it becomes lit Note that when Hold Mode starts the actual oven temperature will not immediately drop to the holding temperature since it takes time for the oven interior and the load itself to cool N CAUTION Care should be exercised in holding products over extended periods of time or at very low holding temperatures due to possible bacteria growth A competent authority on food bacteria growth should be consulted if there is doubt regarding safe holding times and temperatures 8 Wait until the oven has reached cooking temperature 9 Open the oven doors and insert a load into the oven Close the doors and press the Start Stop button The oven will enter Cook Mode and the time display will start to count down the remaining cook time PAGE 24 OF 44 OPERATOR S MANUAL 1181887 REV 9 10 14 EPEE GAS CONVECTION OVENS OPERATION 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 loca
3. Replace valve panels LL IETTEEEESS OPERATOR S MANUAL 1181887 REV 9 10 14 PAGE 31 OF 44 ADJUSTMENTS GAS CONVECTION OVENS ADJUSTING DOOR CHAIN MECHANISM The door chain mechanism causes the left and right doors to open and close together To adjust the door chain mechanism do the following 1 Remove lower front panel that covers the door chain mechanism shown below 2 Close both doors 3 Check the positioning of the chain on the sprockets There should be five regular links and one master link visible on the front side of each chain If not open the turnbuckles and reposition the chain over the sprockets 4 Adjust the turnbuckles so that the right door closes about 1 4 to 1 2 inch ahead of the left door The left door should be pushed tight over the friction catch so both doors are completely closed against the frame 5 Secure the turnbuckles by tightening their locknuts Figure 9 Door Chain Adjustment TURNBUCKLES 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 Remove all trays and pans from the oven 2 Place a thermocouple or a reliable mercury oven type thermometer
4. i gl I Meo GND fee j GND FUSE 12 AMP MEM Liu e m ROT INDUTUS AT IDE D m er TM SEEN LIGHTS OPTIONAL i zu 4 7 e o Pea yx E ad gme A SWITCH amp 1 4 1180499 NOTE USE A RED WIRE FOR 208V USE AN ORANGE WIRE 2 Gu FOR 240V NAT 1175016 TRANSFORMER 1175723 Y 6e 1177540 FAN SWITCH FAN SPEED 1177540 r F M TERMINALS o SPADE TERMINAL SCHEMATIC DIAGRAM BE TERMINAL STRIP SOUTHBEND V OVEN GAS P N WIRING DIAGRAM FEN HZ 2 SPEED 1 2HP a LETTRES OPERATOR S MANUAL 1181887 REV 9 10 14 PAGE 41 OF 44 GAS CONVECTION OVENS Notes PAGE 42 OF 44 OPERATOR S MANUAL 1181887 REV 9 10 14 GAS CONVECTION OVENS Notes D Pa TMAR OPERATOR S MANUAL 1181887 REV 9 10 14 PAGE 43 OF 44 GAS CONVECTION OVENS G SERIES SL SERIES amp B SERIES GAS CONVECTION OVENS Genuine Parts E j Protect YOU All Ways Commercial Food Equipment zc katk 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 When service is needed contact a Southbend Authorized Service Agency or your dealer To avoid confusion always refer to the model number serial number and type of your appliance CERTIFIED Southbend
5. 1100 Old Honeycutt Road Fuquay Varina North Carolina 27526 USA www southbendnc com PAGE 44 OF 44 OPERATOR S MANUAL 1181887 REV 9 10 14 4 ZA SoutTHseEND
6. 14 PAGE 23 OF 44 OPERATION GAS CONVECTION OVENS OPERATION OF CYCLE COOK AND HOLD MODELS CYCLE COOK and HOLD models have electronic controls that enable the oven to cook food at a specified cook temperature for a specified time period then enter an optional Hold Mode during which the oven maintains a specified hold temperature for an indefinite period of time Whenever the power switch is on the oven will be in one of two modes In Cook Mode the oven maintains the specified cook temperature and the fan runs continuously unless the Cycle option is enabled in which case the fan cycles on for 30 seconds then off for 30 seconds In Hold Mode the oven maintains the specified hold temperature and the fan runs only when the burners are on However whenever the Fan Mode switch is in the COOL position the fan will run continuously To cook do the following 1 Turn the oven ON using the Power Switch at the top of the control panel The oven will be in Cook Mode and will begin to heat to the temperature displayed in the temperature display window 2 Set the desired cook temperature from 150 F to 500 F by pressing the up arrow and or down arrow buttons to the right of the temperature display window The Heat On indicator will light when the burners are on To view the actual oven temperature at any time press the up arrow and down arrow buttons simultaneously 3 Switch the Fan Mode switch to the COOK position if it is not alread
7. F 5 Frozen Berry Pies 40 min 375 F 5 Frozen Fruit Pies 45 min 375 F 5 Potatos 5 Baked Potatoes 10 oz 50 55 min 450 F 5 Baked Potatoes 6 8 oz 40 45 min 450 F 5 c1 Scalloped Potatoes 35 min 325 F Miscellaneous Macaroni and Cheese 30 min 350 F 5 Stuffed Peppers 18 min 350 F 5 Toasted Cheese Sandwiches 8 min 375 F 5 PAGE 28 OF 44 OPERATOR S MANUAL 1181887 REV 9 10 14 IZA SouTHBeeEND f GAS CONVECTION OVENS CLEANING CLEANING Southbend equipment is sturdily constructed of the best materials and is designed to provide durable service when treated with ordinary care To expect the best performance your equipment must be maintained in good condition and cleaned daily Naturally the periods for this care and cleaning depend on the amount and degree of usage Following daily and periodic maintenance procedures will enhance long life for your equipment Climatic conditions such as salt air may require more thorough and frequent cleaning or the life of the equipment could be adversely affected The oven interior is finished with a porcelain enamel coating Spillovers should be cleaned from the interior bottom surface as soon as possible to prevent carbonizing and a burnt on condition Grease or any residue should be cleaned from interior surfaces as soon as it accumulates N WARNING FOR YOUR SAFETY DISCONNECT THE POWER SUPPLY TO THE APPLIANCE BEFORE CLEANING WHEN CLEANING THE BLOWER WHEEL BE SURE TO H
8. 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 N 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 area around cooking appliances free and clear of combustibles Purchaser of equipment must post in a prominent location detailed instructions to be followed in the event the operator smells gas Obtain the instructions from the local gas supplier N WARNING Asphyxiation can result from improper ventilation Do not obstruct the flow of combustion and ventilation air to and from your cooking equipment NOTICE Be sure this Operator s Manual and important papers are given to the proper authority to retain for future reference NOTICE This product is intended for commercial use only NOT FOR HOUSEHOLD USE Copyright 2014 by Southbend All rights reserved Published in the United States of America PAGE 2 OF 44 OPERATOR S MANUAL 1181887 REV 9 10 14 CERERE GAS CONVECTION OVENS INTRODUCTION 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 t
9. 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 The oven will have one of the two types of control panels Models with Standard Controls are the most similar to a standard non convection oven Instructions for operating this type of oven begin on page 23 Models with Cycle Cook and Hold Controls enable you to have the oven automatically enter a hold mode after a timed cooking period Instructions for operating this type of oven begin on page 25 p PAGE 20 OF 44 OPERATOR S MANUAL 1181887 REV 9 10 14 LZ TSETEREEEES GAS CONVECTION OVENS Figure 7 Control Panel of STANDARD Models Power Switch Switch ON to use the oven switch OFF when done using the oven POWER FAN MODE COOK TIMER MIN Cook Timer Turn knob to set a time duration An alarm will sound when the timer runs out The timer is a reminder to the user the timer does not control the oven Cook Temperature Control Turn knob to select desired cooking temperature The Heat On indicator will go out when the oven reaches the set temperature and will cycle on and off as the burners operate to maintain the set cooking temperature COOK TEMPERATURE FAN SPEED Oven Interior Light Switch On ovens equipped with an oven interior light press to turn on th
10. guide 3 Secure the diverter to the flue box using the 10 x 1 2 sheet metal screws shipped with the diverter Figure 6 Installation of Down Draft Diverter T IEETEREENSH OPERATOR S MANUAL 1181887 REV 9 10 14 PAGE 15 OF 44 INSTALLATION GAS CONVECTION OVENS STEP 6 INSTALLATION OF OPEN PAN STORAGE ON G amp SL SERIES OVENS OPTIONAL 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 Attach the legs to the oven as described in installation Step 2a 2 Attach the two frame hangers items A in the following drawing The flanged side of each hanger must be on the side of the hanger closest to the edge of the oven oM Side View LEGS NOT SHOWN Install legs first Bottom View 3 Attach the pan stop to the shelf by first inserting the tab on the bottom of the pan stop through the slot near the rear of the shelf then tilting the pan stop up to a vertical position as shown in the following drawing Secure the pan stop with a screw that passes through a hole in the shelf and into a threaded hole on the tab of the pan stop do not fully tighten this screw yet Position the shelf below the oven for ovens with casters rest the shelf on the top of the caster flanges as shown below Pan Stop Side of Shelf PAGE 16 OF 44 OPERATOR S MANUAL 1181887 REV 9 10 14 4
11. the absence of local codes with the National Fuel Gas Code ANSI Z223 1 Natural Gas Installation Code CAN CGA B1 49 1 or the Propane Installation Code CAN CGA B149 2 as applicable including 1 The appliance and its individual shutoff valve must be disconnected from the gas supply piping system during any pressure testing of that system at test pressures in excess of 1 2 psi 3 45 kPa 2 The appliance must be isolated from the gas supply piping system by closing its individual manual shutoff valve during any pressure testing of the gas supply piping system at test pressures equal to or less than 1 2 psi 3 45 kPa A 3 4 NPT line is provided at the rear for the gas connection If this equipment is being installed at over 2 000 feet altitude and that information was not specified when ordered contact the appropriate authorized Southbend Service Representative or the Southbend Service Department Failure to install with proper orifice sizing will result in poor performance and may void the warranty The serial plate is located inside the front lower panel It indicates the type of gas the unit is equipped to burn All Southbend equipment is adjusted at the factory Check type of gas on serial plate These models are design certified for operation on natural or propane gases For natural gas the regulator is set to deliver a 4 0 W C pressure to the manifold For propane gas it is set to deliver 11 W C This appliance should be con
12. to Step 2b LZ IETTEEESS OPERATOR S MANUAL 1181887 REV 9 10 14 PAGE 7 OF 44 INSTALLATION GAS CONVECTION OVENS STEP 2A INSTALLATION OF LEGS ON SINGLE DECK OVENS 1 N PAGE 8 OF 44 OPERATOR S MANUAL 1181887 REV 9 10 14 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 If it is absolutely necessary to rest the oven on its side rest it on its left side or back side Take care to protect the finish on the left side and to prevent the weight from resting on the motor on the back Attach the legs to the bottom corners of the oven using the provided machine screws flat washers and lock washers Each leg is secured by five screws The mounting holes are pre drilled and threaded Screw into the bottom of each leg either an adjustable foot or a caster depending on which option was ordered If attaching casters the two casters with brakes should be attached to the front legs Lower the oven gently onto a level surface Never drop or allow the oven to fall Use a level to make sure that the oven is level The adjustable feet can be screwed in or out to lower or raise each corner of the oven If casters were installed go to Installation Step 3 otherwise go to Step 4 Figure 2 GAS CONVECTION O
13. 172769 ooo _ fa A BUZZER 1175707 1181998 TIMER MOTOR TEMPERATURE 1175670 6 CONTROL BOARD CENTRIFUGAL SWITCH 1177567 DOOR SWITCH TRANSFORMER _ 1172277 2 GROUND o USE TB6 o VALVE jo PS o j 6 Li P4VAC lo 7 IGNITER lo 4 THERMISTAT RAM IGNITION MODULE COOL 1177540 1177540 LOW F M TERMINALS 1188523 f o SPADE TERMINAL SCHEMATIC DIAGRAM FAN SWITCH FAN SPEED GND BE TERMINAL STRIP SOUTHBEND CONVECTION OVEN STD P N WIRING DIAGRAM 120V 50 60 HZ 2 SPEED 1 2 HP 1179330 PAGE 38 OF 44 OPERATOR S MANUAL 1181887 REV 9 10 14 A PEIR U___________ GAS CONVECTION OVENS TROUBLESHOOTING Figure 11 Wiring Diagram for 208 240 Volt Models with Standard Controls SHUTDOWN POWER 1177566 SWITCH es svi 1177541 i Ee 69 are Lt t e G GND tetr GND FUSE Bees se Sno a LEINAL sees eee LIGHT oed fe LT dues OEUUINE SVITCH 1177789 LIGHTS Omm Om Ommo 1181998 TEMPERATURE TIMER MOTOR e 3k 230 VAC 50 HZ BLUE 230 VAC 60 HZ BROWN CENTRIFUGAL _ SWITCH 1177567 DOOR SWITCH VALVE C o 6 411 24VAC o 7 IGNITER o ATERMISTT RAM IGNITION MODULE Oo ctm F M TERMINALS COOL 1177540 1177549 LOW us 1188524 o SCHEMATIC DIAGRAM FAN SWITCH
14. 2 Double Deck 108 000 Natural Gas SLGS 12 Single Deck 72 000 SLGB 12 Natural Gas SLGS 22 Double Deck 144 000 SLGB 22 Natural Gas Single Deck 90 000 Natural Gas Double Deck 180 000 Natural Gas IEETENEENE OPERATOR S MANUAL 1181887 REV 9 10 14 PAGE 5 OF 44 SPECIFICATIONS GAS CONVECTION OVENS ELECTRICAL SUPPLY Convection ovens require connection to a supply of electricity The appliance when installed must be electrically ground ed 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 An electrical diagram is located on the side of the control panel assembly see drawing on page 37 Electrical diagrams can also be found in this manual beginning on page 37 Power Option Power Type of Ovens Maximum Amps Single Deck 120 60 1 120 Volts 60 Hz Single Phase Double Deck 208 60 10r3 190 219 Volts 60 Hz Single or Three Ph Sinigle Deck or olts z Single or Three Phase Double Deck Single Deck 240 60 10r3 220 240 Volts 60 Hz Single or Three Phase Double Deck 240 50 1or3 208 240 Volts 50 Hz Single or Three Phase Single Deck Oo o Ovens ordered with the 120V power option are equipped with one or two power cords with a standard 120V single phase plug with a ground prong Single deck ovens will have one power cord double deck ovens will have two Ovens with other power options hav
15. AVE THE POWER SWITCH IN THE OFF POSITION DAILY CLEANING AND MAINTENANCE Turn the power switch to OFF and allow the oven to cool 2 Remove the oven interior racks and rack slide frames The rack slide frames are readily removable by merely raising to disengage them from their sockets Wash the racks and rack slides in a sink with mild detergent and warm water Dry them thoroughly with a clean cloth e Look to see if any foreign matter has accumulated on the blades of the blower wheel which will reduce air circulation If necessary remove the rear lining of the oven which is secured by thumbscrews near each corner Use a stiff brush to remove accumulations from the blower blades then wash with soap and water 4 Wash the interior surfaces with mild detergent and warm water Rinse with clean water and dry thoroughly with a clean cloth For stubborn accumulations a commercial oven cleaner may be used c1 Clean the control panel with warm water and mild soap Never use cleaning solvents with a hydrocarbon base Oo Wipe the other exterior surfaces with a clean damp cloth If the exterior surfaces require more thorough cleaning see Cleaning Stainless Steel Surfaces on the next page N Return the rack slides and racks to their appropriate locations inside the oven Co LEAVE THE DOOR OPEN AT NIGHT AFTER CLEANING This allows the oven to dry thoroughly after cleaning and also prolongs the life of the
16. As a guide set oven temperatures 25 F to 75 F lower than called for in recipes for non convection ovens i e range or deck ovens Time and temperature will vary depending upon load mix size portion initial temperature of food and other factors Use the following chart as a starting point to develop your own cooking techniques Rack loading and position may affect results Experimentation may be necessary to suit individual requirements Meat and Fish Top Round 18 20 Ibs medium Prime Ribs rare Burger Patties 4 oz Fish Cakes Turkey 10 12 Ibs Cooking Time Temperature Number of Racks 5 hours 275 F 1 4 hours 225 F 1 10 hours 350 F 5 10 12 min 375 F 5 3 hr 20 min 225 F 1 CEARR OPERATOR S MANUAL 1181887 REV 9 10 14 PAGE 27 OF 44 COOKING HINTS GAS CONVECTION OVENS Cooking Time Temperature Number of Racks Baked Goods Bread 2 Ib loaf 35 min 375 F 3 Biscuits 5 10 min 400 F 5 Cornbread 18 min 400 F 5 French Bread 10 min 375 F 5 Sheet Cake 18 20 min 300 F 5 Cream Puffs 20 min 375 F 5 Brown amp Serve Rolls 6 min 400 F 5 Ginger Bread 18 min 300 F 5 Yeast Rolls sheet pan 16 18 min 325 F 5 Pineapple Upside Down Cake 25 30 min 325 F 5 Apple Turnovers 15 18 min 350 F 5 Fruit Cobbler 22 25 min 375 F 5 Brownies 15 min 350 F 5 Danish Pastry 12 min 325 F 5 Pie Shells 12 min 350 F 5 Fresh Fruit Pies 25 30 min 350 F 5 Pumpkin Pies 25 30 min 275 F 5 Fresh Apple Pies 35 min 375
17. FAN SPEED GND ME p SOUTHBEND CONVECTION OVEN STD P N WIRING DIAGRAMe08 240 50 60 HZ 2 SPEED 1 2 HP 1179578 OPERATOR S MANUAL 1181887 REV 9 10 14 PAGE 39 OF 44 TROUBLESHOOTING Figure 12 GAS CONVECTION OVENS Wiring Diagram for 120 Volt Models with Cycle Cook and Hold Controls 1177541 1177566 1172769 POWER SHUTDOWN k SWITCH SWITCH k SE ea O BU aa 3 DM ty UPTIINAU LIGHT LS rms ed LIGHTS I LL I Tee ER NN AE A EIS 1190407 1177567 CONTROL BOARD 9 JR e 8m o 68 hm Tta PROBE CENTRIFUGAL oa ry Te T8 14 ae Rt 6r DUuUDT 1180402 UN o 1172277 TRANSFORMER LP 1175375 x A P VAEV ne 1175723 as agi 6 2 GRUUND 1 Ny 61 9 68 ie RUE TE WV o ra e gy SENSIR H f Ho HE 1175127 30 O La es ioj FHS RAM 1183200 TGNITION MODULE 1177540 FAN SWITCH IRL oo ease COOK HI OT G 5 e QUO ca Loy gt FAN SPEED ee Gn 1177540 E F M TERMINALS o SPADE TERMINAL SCHEMATIC DIAGRAM BE TERMINAL STRIP SOUTHBEND ERE DES GAS P N WIRING DIAGRAM i e SPEED 1 2 HP 1180413 PAGE 40 OF 44 OPERATOR S MANUAL 1181887 REV 9 10 14 GAS CONVECTION OVENS TROUBLESHOOTING Figure 13 Wiring Diagram for 208 240 Volt Models with Cycle Cook and Hold Control 1177566 1170425 7754 SEN FUSE POWER sure 12 AMP SWITCH as o Nef25 e ye e
18. L E T TH a2I 1 17 GAS CONVECTION OVENS INSTALLATION 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 Insert the guide from in front of the oven Slip the top front hook of the guide though the opening on the front of the front frame hanger near the final position hole then slip the top rear hook of the guide around the end of the flange of the rear frame hanger Finally slide the guide toward the center of the oven until the hooks drop through the final position holes in the frame hangers Final Position Holes 1 Slip top front hook of guide through opening on front of front hanger 2 Slip top rear hook of guide around end of flange on rear hanger Side View Showing LEGS NOT SHOWN Bottom View Showing Guide in Final Position Install legs first Guide Being Inserted 5 Lift the shelf upwards until it is in contact with the lowest horizontal bar of the guides the bottom ends of the guides should extend into matching holes on the shelf Attach the shelf to the guides u
19. NSTALLATION GAS CONVECTION OVENS STEP 3 INSTALLATION OF RESTRAINT ONLY FOR OVENS WITH CASTERS NOTICE For an appliance equipped with casters 1 the installation shall be made with a connector that complies with the Standard for Connectors for Movable Gas Appliances ANSI Z21 69 or Connectors for Moveable Gas Appliances CAN CGA 6 16 and a quick disconnect device that complies with the Standard for Quick Disconnect Devices for Use With Gas Fuel ANSI Z21 41 or Quick Disconnect Devices for Use with Gas Fuel CAN1 6 9 2 adequate means must be provided to limit the movement of the appliance without depending on the connector and the quick disconnect device or its associated piping to limit the appliance movement and 3 the restraining means should be attached to a frame member on the back of the unit N WARNING To avoid accidental gas disconnection and potential explosion If disconnection of this restraint is necessary to move the appliance for cleaning etc reconnect it when the appliance is moved to its originally installed position 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 Figure 4 PAGE 10 OF 44 OPERATOR S MANUAL 1181887 REV 9 10 14 SLEPA GAS CONVECTION OVENS INSTALLATION 2 Install eye bol
20. NUAL 1181887 REV 9 10 14 EPET GAS CONVECTION OVENS SPECIFICATIONS If applicable the vent line from the gas appliance pressure regulator shall be installed to the outdoors in accordance with local codes or in the absence of local codes with the National Fuel Gas Code ANSI Z223 1 Natural Gas Installation Code CAN CGA B149 1 or the Propane Installation Code CAN CGA B149 2 as applicable This appliance should be connected ONLY to the type of gas for which it is equipped A 3 4 NPT line is provided at the rear for the gas connection An adequate gas supply is imperative Undersized or low pressure lines will restrict the volume of gas required for satisfactory performance Fluctuations of more than 25 on natural gas or 1096 on propane gas will create problems and affect burner operating characteristics An adequate gas supply line to the unit should be no smaller than the inside diameter of the pipe from the unit to which it is connected Purge the supply line to clean out dust dirt or other foreign matter before connecting the line to the unit 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 1 4 W C Model Number Total BTU Type of Gas Orifice Size BGS 12 Single Deck 54 000 Natural Gas BGS 2
21. TOR S MANUAL 1181887 REV 9 10 14 PAGE 33 OF 44 TROUBLESHOOTING GAS CONVECTION OVENS TROUBLESHOOTING N WARNING ADJUSTMENTS AND SERVICE WORK MAY BE PERFORMED ONLY BY A QUALIFIED TECHNICIAN WHO IS EXPERIENCED IN AND KNOWLEDGEABLE WITH THE OPERATION OF COMMERCIAL COOKING EQUIPMENT HOWEVER TO ASSURE YOUR CONFIDENCE CONTACT YOUR AUTHORIZED SERVICE AGENCY FOR RELIABLE SERVICE DEPENDABLE ADVICE OR OTHER ASSISTANCE AND FOR GENUINE FACTORY PARTS NOTICE Warranty will be void and the manufacturer is relieved of all liability if service work is performed by other than a qualified technician or if other than genuine Southbend replacement parts are installed In case of problems in operation at initial installation check type of gas and manifold pressure and compare with information listed on the serial plate The serial plate is located inside the lower front panel PERFORMANCE STANDARD The typical time for the oven to heat from 75 F to 350 F is 5 to 6 minutes for ovens using natural gas and 7 to 8 minutes for ovens using propane The burners should come on when the actual oven temperature drops to 10 F below the temperature setting PAGE 34 OF 44 OPERATOR S MANUAL 1181887 REV 9 10 14 Cage ERE GAS CONVECTION OVENS TROUBLESHOOTING GUIDE The left column of the following table lists symptoms that indicate a problem while the center and right columns list the possible causes and appropriate corrective action Note that t
22. VENS INSTALLATION 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 Do the following 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 If it is absolutely necessary to rest the oven on its side rest it on its left side or back side Take care to protect the finish on the left side and to prevent the weight from resting on the motor on the back 2 Screw into the center of each leg pad either an adjustable leg or a caster depending on which option was ordered If attaching casters the two casters with brakes should be attached to the front leg pads 3 Lower the oven gently onto a level surface Never drop or allow the oven to fall 4 Use a level to make sure that the oven is level The adjustable legs can be screwed in or out to lower or raise each corner of the oven 5 If casters were installed go to Installation Step 3 otherwise go to Step 4 Figure 3 Le aurea CEPA OPERATOR S MANUAL 1181887 REV 9 10 14 PAGE 9 OF 44 I
23. at the center of the middle rack 3 Turn the oven ON and set the temperature control knob to 400 F 4 The amber heat on light will go out when the oven temperature is reached 5 Allow three cycles for the temperature to stabilize 6 Read the thermocouple or thermometer immediately after the light goes out for the third time and again immediately after it comes on the next time 7 If the average of these readings varies by more than 10 F from the dial setting recalibrate by the following procedure Recalibration should be attempted only by a competent service technician PAGE 32 OF 44 OPERATOR S MANUAL 1181887 REV 9 10 14 LZ TSETEREEIEES GAS CONVECTION OVENS ADJUSTMENTS Use the following procedure to recalibrate the oven 1 Loosen the two set screws that secure the temperature control knob to the temperature control shaft 2 Remove the knob from the shaft being careful not to rotate the knob or shaft 3 Replace the knob on the shaft so that the indicator mark on the knob points directly at the temperature that was measured at the center of the oven 4 Re check the oven calibration FAHRENHEIT OR CELSIUS DISPLAY Cycle Cook amp Hold Models Only Ovens with Cycle Cook amp Hold controls can be configured to display temperatures using the Fahrenheit or the Celsius scales To change the choice change the position of the blue jumper J3 on the rear of the control panel circuit board Le EE mg OPERA
24. ble pans can be held until being served by setting the Hold thermostat to 160 F Examples include stuffed pork chops oysters Rockefeller and any vegetable entree PAGE 26 OF 44 OPERATOR S MANUAL 1181887 REV 9 10 14 SEPETE GAS CONVECTION OVENS COOKING HINTS COOKING PROBLEMS AND SOLUTIONS If Cakes are dark on the sides and not done in the center Cake edges are too brown Cakes have a light outer color Cakes settle slightly in the center Cakes ripple Cakes are too coarse Pies have uneven color Brown sugar topping or meringue blows off Rolls have uneven color Meats are browned and not done in center Meats are well done and not browned Meats develop hard crust Excessive meat shrinkage occurs then lower oven temperature reduce number of pans or lower oven temperature raise temperature bake longer or raise oven temperature slightly Do not open doors except to load or unload product do not overload pans or use batter that is too thin lower oven temperature reduce number of pies per rack or eliminate use of bake pans after oven is preheated turn off oven and put product in oven until topping sets then turn oven back on reduce number or size of pans lower oven temperature and roast longer raise temperature Limit amount of moisture reduce temperature or place pan of water in oven lower oven temperature GUIDE TO TIMES AND TEMPERATURES
25. did not tightened in the previous step 0000000 0000000 8 Assemble the gas piping shown in the following drawing Be sure to check all connections for leaks once the oven has been installed L IETTBEERNE OPERATOR S MANUAL 1181887 REV 9 10 14 PAGE 13 OF 44 INSTALLATION GAS CONVECTION OVENS 9 Install the flue stack as shown in the following diagram FLUE STACK 10 Replace the right side insulation exterior panel and lower front panel that you removed in step 4 of this procedure PAGE 14 OF 44 OPERATOR S MANUAL 1181887 REV 9 10 14 C eae Sy GAS CONVECTION OVENS INSTALLATION STEP 5 INSTALL DOWN DRAFT DIVERTER IF APPLICABLE NOTICE Installation must use approved CSA International down draft diverter supplied by Southbend If the oven flue is to be connected directly to an external vent a down draft diverter must be installed The installation of ventilation pipes through walls and roofs must conform to all local codes To install the down draft diverter do the following 1 Slip the down draft diverter over the top of the flue located at the top left rear corner of the oven see drawing below Allow the diverter to slide down as far as it will go 2 Using a 9 64 or 5 32 drill bit drill eight holes through the flue box using the pre drilled holes in the diverter as a
26. door gasket MONTHLY CLEANING Clean around rear of motor where the vent screen is located louvered panels and primary air holes in the rear of the oven where grease or lint may have accumulated LL IETTEEEESS OPERATOR S MANUAL 1181887 REV 9 10 14 PAGE 29 OF 44 CLEANING GAS CONVECTION OVENS 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 CLEANING STAINLESS STEEL SURFACES To remove normal dirt grease and product residue from stainless steel that operates at LOW temperature use ordinary soap and water with or without detergent applied with a sponge or cloth Dry thoroughly with a clean cloth To remove grease and food splatter or condensed vapors that have BAKED on the equipment apply cleanser to a damp cloth 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 mar the finish of the stainless steel NEVER RUB WITH A CIRCULAR MOTION Soil and burnt deposits which do not respond to the above procedure can usually be removed by rubbing the surface with SCOTCH BRITE scouring pads or STAINLESS scouring pads DO NOT USE ORDINARY STEEL WOOL as any particles left on the surface will rust and furthe
27. e Make sure burner orifices are clear PAGE 35 OF 44 TROUBLESHOOTING GAS CONVECTION OVENS Symptom Possible Cause Check or Replace Burners light but go out Bad flame switch Check in series on micro amps Minimum is 0 75 amps no maximum Mii 1 bos Sonos Bad gas valve heat Check gas valve Should be 24 volts from ignition module on wires 46 and 47 Ignitor will glow approx imately 4 seconds If burner does not ignite ignition module will try 3 times and then lock out Blower motor will not No incoming electric power Check incoming power Comeon Loose wire connections Check wire connections Bad contactors Contactor pull in and supply power to motor Verify contactor pulling in Motor bad If power is being supplied but motor will not turn replace motor Shut down switch All power except for motor supply come through shut down switch Check for continuity BLOWER WHEEL REPLACEMENT To replace the blower wheel do the following 1 2 3 4 Remove racks and rack guides Remove rear air baffle in front of blower wheel Loosen the two square heads on blower wheel hub Pull blower wheel from motor shaft If blower wheel is difficult to pull off use puller disk available from Southbend Technical Service Department as part number 1179100 CONTROL PANEL ACCESS AND SHUT OFF SWITCH To access the control panel components remove the two thumbs screws at the top and bottom of the control panel and slide the control panel
28. e light The light remains on for as long as the switch is held LIGHTS ALS OPERATOR S MANUAL 1181887 REV 9 10 14 OPERATION Fan Mode In COOK mode the fan runs continuously except when the doors are open The fan does NOT cycle with the operation of the burners In COOL mode the fan runs continuously even if the doors are open Since the burners will not operate if the oven doors are open to rapidly cool the oven after cooking is completed open the doors and switch the fan mode to COOL Heat On Indicator Indicator is lit when the burners are operating Fan Speed Use to select fan speed HI or LOW The appropriate speed is determined by the type of food being cooked PAGE 21 OF 44 OPERATION GAS CONVECTION OVENS 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 The timer does NOT control the temperature of the oven To cook do the following 1 Turn the oven ON using the Power Switch at the top of the control panel 2 Select the desired fan speed using the Fan Speed switch The appropriate fan speed HI or LOW depends on the type of food being cooked 3 Switch the Fan Mode switch to COOK The fan will run continuously wh
29. e a terminal block on the rear of the oven that must be wired to the power supply Depending on how the power supply is connected to the terminal block the oven can operate on either single phase of three phase power VENTILATION N WARNING Improper ventilation can result in personal injury or death Ventilation which fails to properly remove flue products can cause headaches drowsiness nausea or could result in death All units must be installed in such a manner that the flow of combustion and ventilation air are not obstructed Provisions for adequate air supply must be provided Do not obstruct the front or rear of the unit as combustion air enters through these areas Be sure to inspect and clean the ventilation system according to the ventilation equipment manufacturer s instructions NOTICE Proper ventilation is the owner s responsibility Any problem due to improper ventilation will not be covered by the warranty If a ventilation canopy is used it is recommended that a canopy extend 6 past the appliance and that 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 dripping grease and facilitates collecting the run off grease in a drip pan unusually installed with a filter If an exhaust fan is used it should be installed at least 2 above the flue opening at the top of the unit A strong exhaust fan tends to create a vacuum in th
30. e room and may interfere with burner performance 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 exhaust fan back on and let it run to remove any exhaust that may have accumulated during the test If the oven flue is connected directly to an outside flue a CSA International design certified down draft diverter must be installed at the flue outlet of the oven and connected to the outside flue PAGE 6 OF 44 OPERATOR S MANUAL 1181887 REV 9 10 14 CEPE GAS CONVECTION OVENS INSTALLATION INSTALLATION 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 Therefore installations should comply with all local codes The installation must conform with local codes or in the absence of local codes with the National Fuel Gas Code ANSI Z223 1 Natural Gas Installation Code CAN CGA B149 1 or the Propane Installation Code CAN CGA B149 2 as applicable including 1 The appliance and its individual shutoff va
31. en the oven doors are closed the fan does not cycle on and off with the burners If this switch is set to COOL the only difference is that the fan will continue to run when the oven doors are open 4 Set the cooking temperature by turning the Cook Temperature Control until the indicator mark on the knob is pointed to the desired cooking temperature The Heat On indicator will light when the burners are on and will remain on while the oven preheats 5 Wait until the Heat On indicator has come on and gone out three times At that time the oven will have reached the set cooking temperature 6 Open the oven doors load the product into the oven and close the doors 7 You can use the Cook Timer as a reminder of when the remove the load from the oven If so desired turn the Cook Timer knob until the indicator mark points to the desired cooking time up to 55 minutes The timer knob will rotate counterclockwise as the timer runs down indicating how much time remains You can turn the knob while cooking to increase or decrease the remaining time When the timer runs out a buzzer will sound for a short time then turn itself off To immediately silence the buzzer turn the Cook Timer knob to the OFF position The timer is a reminder to you the timer does not control the oven If you open the oven doors the burners in cool mode will shut off until the doors are closed However the timer will continue running even if the doors are open Fo
32. eved of all liability if service work is performed by other than a qualified technician or if other than genuine Southbend replacement parts are installed LUBRICATION The door chains and sprockets have been lubricated at the factory with high temperature Never Seeze lubricant After each six months of usage lubricate the door chains and sprockets with the same type of lubricant Motor lubrication information can be found on permanent label located on motor ADJUSTING GAS PRESSURE REGULATOR The pressure regulator is factory set at 4 0 W C for natural gas and 11 W C for propane gas To check the manifold pressure 1 Turn all thermostats and burner valves to OFF position 2 Turn main gas valve to entire unit off Remove valve panels and locate 1 8 plug in manifold Remove plug and install a fitting appropriate to connect a manometer 3 4 5 Turn on main gas to unit and light pilots 6 Turn all burners and ovens to full ON position and read manometer 7 If manometer does not read 4 0 W C for natural gas or 11 W C for propane gas adjust regulator if gas pressure is O K go to Step 10 Co Remove cap from top of regulator 9 With a screwdriver rotate regulator adjustment screw clockwise to increase or counterclockwise to decrease pressure until manometer shows correct reading 10 Repeat steps 1 and 2 11 Remove manometer fitting and replace plug in manifold 12 Repeat step 5 13
33. he recommendations of this table assume that the wiring connections are good When checking a component always check the wiring attached to the component as well Symptom Oven will not hold cor rect temperature Hot surface ignitor glows red but burners do not come on when thermostat calls for heat cooking light is on Hot surface ignitor does not glow red First burner next to ignitor lights but flame will not carry across to other burners Possible Cause Temperature probe not working Temperature control not calling for heat Undersized gas supply line Low gas pressure Inadequate or improper ventilation Out of calibration No power to gas valve Faulty main gas solenoid Faulty ignition module Manual shutoff valve closed Manual valve on gas valve turned off Hot surface ignitor not in front of rear end of burner No power to ignitor Ignitor broken or cracked No power or ignition module Check power to transformer Check blower motor Motor should turn when power switch is turned on and temperature control calls for heat Temperature control does not call for heat No power out of power switch Burners not aligned Burner and orifice out of alignment Gas pressure to low Burner orifices clogged Table continues on next page TROUBLESHOOTING Check or Replace Resistance across temperature probe leads at room temperature 70 F should be approximately 1096 ohms W
34. he toughest standards in the industry Each piece of Southbend equipment is carefully engineered and designs are verified through laboratory tests and field installations With proper care and field maintenance you will experience years of reliable trouble free operation For best results read this manual carefully RETAIN THIS MANUAL FOR FUTURE REFERENCE Table of Contents sje rej ier MIo R I RETENTO LLLI 4 InstalldtlOE 2er eee el e pne en does erase ne ru Pda ax aie iae eres na ox Dead ern dtu 7 ere 20 rere doas 26 i m 29 Adjustments a enero eniro te ree e o eda qu elus i e ed tend aet d eu ae eoa 31 elei mee 34 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 an 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 In the event you have questions concerning the installation use care or service of the product write to Southbend 1100 Old Honeycutt Road Fuquay Varina North Carolina 27526 USA The se
35. hen heat is required there should be continuity between terminals 6 and 7 on temperature control Oven requires 3 4 ID gas line Oven requires 7 manifold water column pressure for natural gas 11 for propane Check ventilation hood Verify draw and make up air adjustment Recalibrate tempreture Check for 24V from ignition box to gas valve Replace gas valve Replace ignition module Open all shut off valve Open manual valve on gas valve Re position hot surface ignitor to be in front of rear end of burner Check that voltage from ignitor module to ignitor is 24V Ignitor draws approx imately 3 35 amps at start as it heats up resistance goes down Gas valve opens approximately 1 8 amps Should read continuity between leads on ignitor Should be 24V from transformer to ignition module Should be voltage stamped on serial plate Check between 3 and 6 on termi nal strip Motor has centrifugal switch Motor must be turning before ignition circuit is energized Power for motors come through contactors Check contactors one for high speed one for low speed Must read continuity between 6 and 7 on temperature control when calling for heat Check that unit power cord is plugged into power supply Check switch for continuity when switch is closed Check burner carry over wings for proper mating Orifice must inject gas down center of burner Oven requires 7 manifold water column pressure for natural gas 11 for propan
36. ked satisfactorily depends largely on the particular product As a rule five racks can be successfully used for shallow cakes cookies pies etc For deeper cakes such as angel food use only three racks because of the size of the pan and the space required for rising For hamburger patties fish sticks cheese sandwiches etc a full complement of racks and pans is usually satisfactory HELPFUL SUGGESTIONS Here are some suggestions that will assist in getting the best possible performance from a convection oven Pre heat the oven thoroughly before use When re thermalizing frozen products pre heat the oven to 50 F higher than the planned cooking temperature After loading reduce the temperature setting to the appropriate cooking temperature Space the racks and pans as evenly as possible to allow air circulation Center the load on the racks to allow for proper air circulation around the sides Do not cover the racks completely with pans Do not use a deep pan for shallow cakes or cookies etc Air circulation across the surface of the product is essential N WARNING THE USE OF ALUMINUM FOIL CAN CAUSE HEAT DISTRIBUTION PROBLEMS IN OVENS EXTREME CARE MUST BE USED WHEN PLACING ALUMINUM FOIL IN THE OVEN TO ENSURE THAT IT DOES NOT BLOCK OR CHANGE THE AIR FLOW THE USE OF ALUMINUM FOIL MAY VOID THE PRODUCT WARRANTY IF ITS USE IS ASCERTAINED TO BE A PROBLEM HOLDING FOOD BEFORE SERVING Any food item prepared in steam ta
37. lly after removing the load Pressing the Start Stop button returns the oven to Cook Mode and the oven will then heat up to the specified cook temperature in anticipation of the next load to be cooked 11 When you are done cooking switch the Power Switch to OFF CEER OPERATOR S MANUAL 1181887 REV 9 10 14 PAGE 25 OF 44 COOKING HINTS GAS CONVECTION OVENS COOKING HINTS In a standard non convection oven the air is relatively still and an insulating layer of moisture surrounds the cooking food product In a convection oven the fan blown circulating air strips away this insulating layer allowing the heat to penetrate faster for quicker baking and roasting Hence in a convection oven cooking procedures and techniques may require some modification for successful results As a general rule the cooking time will be shorter and the cooking temperature will be 25 F to 75 F lower than those called for in recipes for a standard oven TIME amp TEMPERATURE Time and temperature are important The Guide to Times and Temperatures later in this section is a starting point The actual best cooking time and temperature will depend on such factors as size of load and mixture of recipe particularly moisture Once an appropriate time and temperature has been established for a particular product and load you will find the result of succeeding loads to be similar OVERLOADING Do NOT overload the oven The size of the load that can be coo
38. lve must be disconnected from the gas supply piping system during any pressure testing of that system at test pressures in excess of 1 2 psi 3 45 kPa 2 The appliance must be isolated from the gas supply piping system by closing its individual manual shutoff valve during any pressure testing of the gas supply piping system at test pressures equal to or less than 1 2 psi 3 45 kPa STEP 1 UNPACKING IMMEDIATELY INSPECT FOR SHIPPING DAMAGE All containers should be examined for damage before and during unloading The freight carrier has assumed responsibility for its safe transit and delivery If damaged equipment is received either apparent or concealed a claim must be made with the delivering carrier Apparent damage or loss must be noted on the freight bill at the time of delivery The freight bill must then be signed by the carrier representative Driver If the bill is not signed the carrier may refuse the claim The carrier can supply the necessary forms A request for inspection must be made to the carrier within 15 days if there is concealed damage or loss that is not apparent until after the equipment is uncrated The carrier should arrange an inspection Be certain to hold all contents plus all packing material 1 Cut banding straps and remove packing material 2 Cut banding strap holding oven to wooden skid Co If you are installing a single deck oven go to Step 2a If you are installing a double deck oven go
39. n to increase the time setting press the down arrow button to decrease the time setting TEMP Temperature Display Displays cook temperature setting Heat On Indicator Indicator is lit when the burners are operating Temperature Adjustment Buttons Press the up arrow button to increase the temperature setting press the down arrow button to decrease the temperature setting Hold Mode Indicator Lights when Hold mode has been enabled Fan Cycle Indicator When on continuously the fan will run continuously When flashing fan will cycle on and off Hold Mode Button Press to toggle Hold Mode on or off To set the Hold temperature press and hold this button while adjusting the temperature FAN SPEED Fan Cycle Button Press to select whether the fan runs continuously or cycles on and Cook Start Stop Button off Press to start a timed cook period whose duration is shown in the TIME window During a timed cook period the TIME window displays the remaining time To stop cooking press this button again Fan Speed Switch Use to select fan speed HI or LOW The appropriate speed is determined by the type of food being cooked Oven Interior Light Switch On ovens equipped with an oven interior light press to turn on the light The light remains on for as long as the switch is held LIGHTS ALS OPERATOR S MANUAL 1181887 REV 9 10
40. nected ONLY to the type of gas for which it is equipped The inlet pressure before the regulator should be 7 10 W C for natural gas or 11 14 W C for LP gas An adequate gas supply is imperative Undersized or low pressure lines will restrict the volume of gas required for satisfactory performance Fluctuations of more than 25 on natural gas or 10 on propane gas will create problems and affect burner operating characteristics An adequate gas supply line to the unit should be no smaller than the I D of the pipe from the unit to which it is connected Purge the supply line to clean out dust dirt or other foreign matter before connecting the line to the unit N 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 1 4 W C STEP 9 CHECK INSTALLATION 1 Check that all screws and bolts are tightened 2 Move the oven into the position at which it will be operated 3 Check that the oven is level If not adjust the legs 4 Check that the appropriate clearances are satisfied see page 4 LL IETTEEEESS OPERATOR S MANUAL 1181887 REV 9 10 14 PAGE 19 OF 44 OPERATION GAS CONVECTION OVENS OPERATION N DANGER EXPLOSION HAZARD In the event a gas odor is detected shut down equipmen
41. out see 1ST picture on next page 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 on next page To re energize the controls for troubleshooting pull the plunger on the shut down switch up To fully remove Control Panel disconnect temp probe wires and harness connectors prior to pulling up on slide release levers and removing PAGE 36 OF 44 OPERATOR S MANUAL 1181887 REV 9 10 14 EZ EPIRI GAS CONVECTION OVENS TROUBLESHOOTING Accessing Control Panel Components LIDE RELEASE LEVERS THUMB SCREWS LOCATION OF WIRING DIAGRAM Accessing Control Panel Components SHUTOFF SWITCH WIRING DIAGRAMS A wiring diagram is located on the side of the control panel assembly Wiring diagrams also appear on the following pages of this manual Which wiring diagram is appropriate depends on the voltage and type of controls TL IENENEENB OPERATOR S MANUAL 1181887 REV 9 10 14 PAGE 37 OF 44 TROUBLESHOOTING GAS CONVECTION OVENS Figure 10 Wiring Diagram for 120 Volt Models with Standard Controls POWER SHUTDOWN 1177541 SWITCH SWITCH 1177566 R 1
42. r 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 8 When the load has finished cooking you can rapidly cool the load by opening the oven doors which will shut off the burners and switching the Fan Mode to COOL which will cause the fan to run even though the doors are open For the most rapid cooling also switch the Fan Speed switch to HI 9 When you are done cooking turn the Cook Temperature control to the lowest setting fully counterclockwise and Switch the Power Switch to OFF PAGE 22 OF 44 OPERATOR S MANUAL 1181887 REV 9 10 14 EPET GAS CONVECTION OVENS OPERATION Figure 8 Control Panel of CYCLE COOK and HOLD Models Fan Mode In COOK mode the fan runs except when the doors are open The fan does NOT cycle with the operation of the burners In COOL mode the fan runs continuously even if the doors are open Since the burners will not operate if the oven doors are open to rapidly cool the oven after cooking is completed open the doors and switch the fan mode to COOL Power Switch Switch ON to use the oven switch OFF when done using the oven POWER FAN MODE Time Display Displays time setting Indicator lights indicate whether the numbers shown represent hours and minutes or minutes and seconds Hout O wwe O Timer Adjustment Buttons Press the up arrow butto
43. r spoil the appearance of the finish NEVER USE A WIRE BRUSH STEEL SCOURING PADS EXCEPT STAINLESS SCRAPER FILE OR OTHER STEEL TOOLS Surfaces which are marred collect dirt more rapidly and become more difficult to clean Marring also increases the possibility of corrosive attack Refinishing may then be required To remove heat tint Darkened areas sometimes appear on stainless steel surfaces where the area has been subjected to excessive heat These darkened areas are caused by thickening of the protective surface of the stainless steel and are not harmful Heat tint can normally be removed by the foregoing but tint which does not respond to this procedure calls for a vigorous scouring in the direction of the polish lines using SCOTCH BRITE scouring pads or a STAINLESS scouring pad in combination with a powered cleanser Heat tint action may be lessened by not applying or by reducing heat to equipment during slack periods PAGE 30 OF 44 OPERATOR S MANUAL 1181887 REV 9 10 14 Cage ERE GAS CONVECTION OVENS ADJUSTMENTS ADJUSTMENTS N WARNING ADJUSTMENTS AND SERVICE WORK MAY BE PERFORMED ONLY BY A QUALIFIED TECHNICIAN WHO IS EXPERIENCED IN AND KNOWLEDGEABLE WITH THE OPERATION OF COMMERCIAL COOKING EQUIPMENT HOWEVER TO ASSURE YOUR CONFIDENCE CONTACT YOUR AUTHORIZED SERVICE AGENCY FOR RELIABLE SERVICE DEPENDABLE ADVICE OR OTHER ASSISTANCE AND FOR GENUINE FACTORY PARTS NOTICE Warranty will be void and the manufacturer is reli
44. re supply 120V ovens shipped to Canada do NOT have factory installed power cords and must be wired as described below Ovens without a power cord have a terminal block The electric supply must be brought through the service panel in the rear of the oven and connected to the terminal block See the wiring diagrams in this manual beginning Figure 10 The unit must be adequately grounded Use 167 F 75 C wire for all supply lines Ovens are factory equipped with a two pole terminal block located behind a cover plate located on the rear of the oven To connect the supply wires remove the cover plate then route the supply wires and the grounding wire through the strain relief fitting to the terminal block Insert the supply wires one each into the two poles of the terminal block and tighten the screws Insert the ground wire into the grounding lug and tighten the screw Re attach the cover plate Three phase units are wired as above using only two supply wires The third wire is not used and must be properly terminated All units are shipped wired as specified by factory order Conversion between single phase and three phase can be accomplished by referring to phase loading and line amperes chart on wiring diagram for wire size and ampere requirements PAGE 18 OF 44 OPERATOR S MANUAL 1181887 REV 9 10 14 EPEE GAS CONVECTION OVENS INSTALLATION STEP 8 CONNECT GAS SUPPLY NOTICE The installation must conform with local codes or in
45. rial plate is located on the interior side of the lower front panel as shown below Figure 1 Serial plate inside cover CEPA OPERATOR S MANUAL 1181887 REV 9 10 14 PAGE 3 OF 44 SPECIFICATIONS GAS CONVECTION OVENS SPECIFICATIONS NOTICE 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 Therefore installations should comply with all local codes 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 This product is intended for commercial use only not for household use The installation must conform with local codes or in the absence of local codes with the National Fuel Gas Code ANSI 2223 1 Natural Gas Installation Code CAN CGA B149 1 or the Propane Installation Code CAN CGA B149 2 as applicable including 1 The appliance and its individual shutoff valve must be disconnected from the gas supply piping system during any pressure testing of that system at test pressures in excess of 1 2 psi 3 45 kPa 2 The appliance must be isolated from the gas supply piping system by closing its individual manual shutoff valve during an
46. sing four clips each of which is attached to the shelf with two screws 6 Secure the top of the pan stop to the bottom of the oven with a screw and tighten the screw holding the pan stop to the shelf LL IETTEEESS OPERATOR S MANUAL 1181887 REV 9 10 14 PAGE 17 OF 44 INSTALLATION GAS CONVECTION OVENS STEP 7 CONNECT ELECTRICITY SUPPLY N WARNING ELECTRIC GROUNDING INSTRUCTIONS This appliance 120V ovens only is equipped with a three prong grounding plug for your protection against shock hazard and should be plugged directly into a properly grounded three prong receptacle Do not cut or remove the grounding prong from this plug NOTICE 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 Wiring diagrams are located on the side of the control panel assembly as well as in this manual beginning on Figure 10 Be sure that the input voltage and phase match the requirements shown on the serial plate which is located inside the lower front panel Ovens ordered to operate on 120V power have a three wire cord Double deck ovens have two power cords one for each oven Each cord has a three prong plug that fits any standard three prong grounded receptacle Single oven units require a 15 ampere supply while double oven units require a 20 ampe
47. t 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 4 Using the spring loaded snap hooks attach the restraining device to the bracket and the eye bolt 5 Using the cable clamp item D adjust the restraining device extended length to prevent over bending or kinking of the appliance connector For units not equipped with flame safety devices be sure all valves are turned off prior to disconnecting After reconnecting be sure that the oven is switched OFF STEP 4 STACK DOUBLE DECK OVEN F NECESSARY Double deck ovens can be shipped already assembled but can instead be shipped as two single deck ovens to be stacked in the field Also ovens that were originally ordered as single ovens can be stacked in the field additional parts are required This installation step describes the procedure for stacking two single deck ovens to form a double deck oven 1 Uncrate the two ovens Identify the oven that will be the lower oven it will be the oven with leg pads attached to the bottom corners Attach the legs or casters to the lower oven as described in Step 2c 2 If the oven that will be the top oven
48. t at the main shut off valve Immediately call the emergency phone number of your gas supplier N CAUTION To eliminate gas build up which could result in an explosion in the even of main burner ignition failure a five minute purge period must be observed prior to re establishing ignition source NOTICE For an appliance equipped with a convection oven no attempt should be made to operate oven during a power failure LIGHTING RELIGHTING AND SHUTDOWN INSTRUCTIONS To light the oven just switch the power switch at the top left corner of the control panel to the ON position The oven is equipped with a direct hot surface ignition system There is no pilot to light If the burners fail to ignite within four seconds the oven will automatically shut off the gas wait five minutes to allow the gas that was released to dissipate and try to light the burners again If the burners still fail to ignite after three such attempts the oven will stop trying even though the power switch is in the ON position To continue to attempt to light the burners turn the power switch OFF and then ON again To shutdown the oven switch the power switch to the OFF position For a complete shutdown also open the control panel and turn the manual shut off valve to the OFF position OPERATING THE CONTROLS A convection oven is a different type of oven that offers many features and advantages to the food service operation The
49. ted at the bottom of the control panel During the cook time you can start or stop having the fan cycle on and off by pressing the Cycle button If necessary you can adjust the remaining cooking time and or oven temperature using the corresponding up arrow and down arrow buttons You can also disable or enable Hold Mode To cancel a timed cook press the Start Stop button 10 What happens when the cook time runs out depends on whether Hold Mode is enabled If Hold Mode IS NOT enabled the oven will start beeping and the time display will flash 00 Press the Start Stop button to silence the alarm and the oven will return to Cook Mode Promptly remove the load from the oven OR open and leave open the oven doors If the oven doors are shut the oven will maintain the set cook temperature even though the timer has run out To rapidly cool down the load open the doors switch the Fan Mode switch to COOL and switch the Fan Speed switch to HI If Hold Mode IS enabled the oven will beep 3 times to alert you that the cook time has completed The time display will start counting up to indicate how long the load has been in Hold Mode up to 99 hours The temperature display will change to show the holding temperature set in Step 7 and the burners will remain off while the oven gradually cools to the holding temperature With the doors closed the oven will maintain the set holding temperature until you press the Start Stop button usua
50. was NOT ordered as part of a double deck oven remove the four leg pads from the bottom of the top oven 3 Locate and remove the four screws that secure the lower front panel items A in the drawing below Lift up the panel and pull it forward to remove it then set it aside 4 Locate and remove the six screws that secure the right side panel to the oven items B in the drawing below Remove the right side panel and insulation and set them aside Figure 5 TL IENENEENB OPERATOR S MANUAL 1181887 REV 9 10 14 PAGE 11 OF 44 GAS CONVECTION OVENS INSTALLATION 5 Lift the top oven and position it on top of the lower oven as shown in the drawing below hand drawing below Position the tie bracket item B as shown in the right hand drawing below Re insert the screws that you just removed through the holes in the tie bracket but do not tighten them yet in the left A 6 Move to the rear of the ovens and remove the six screws shown as items 06600e0e6ee00000000d booeeseeeececceboso ZA Sou aZI 1 12 OPERATOR S MANUAL 1181887 REV 9 10 14 PAGE 12 OF 44 GAS CONVECTION OVENS INSTALLATION 7 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
51. y in that position The fan will run when the oven doors are closed the fan does not cycle on and off with the burners If this switch is set to COOL the only difference is that the fan will continue to run when the oven doors are open 4 Select whether you want the fan to cycle during cooking by pressing the Cycle button If the Cycle indicator light is on continuously the fan will run continuously If instead the Cycle indicator light is flashing the fan will cycle on for 30 seconds and then off for 30 seconds while cooking Fan cycling is used for delicate products such as meringues and muffins which need to set and is usually combined with the LOW fan speed selected in the next step 5 Select the desired fan speed by pressing the Fan Speed switch The appropriate fan speed HI or LOW depends on the type of food being cooked 6 Select the desired cooking time by pressing the up arrow and or down arrow buttons to the right of the time display window Holding down a button will speed up the rate at which the displayed value changes Lights under the displayed time indicate if the displayed time is in minutes and seconds or in hours and minutes The time setting will not start counting down until you tell the oven to start cooking in Step 9 7 f you want the oven to enter a lower temperature Hold Mode after a timed cook period press and hold down the Hold button The temperature display will now show the oven temperature 140 F to 200
52. y pressure testing of the gas supply piping system at test pressures equal to or less than 1 2 psi 3 45 kPa MINIMUM CLEARANCES N WARNING There must be adequate clearance between the left side of the ovens and combustible construction Minimum Clearance from Minimum Clearance from Combustible Construction Non Combustible Construction Back 0 0 Right Side 0 0 Left Side 2 0 0 0 Floor Adequate clearance must be provided in the aisle to allow the doors to open sufficiently to permit the removal of the racks and for serviceability Although no clearance is required behind the motor on the rear of the oven care must be taken to provide adequate air circulation to prevent the motor from overheating Do not locate the oven adjacent to any high heat or grease producing piece of equipment such as a range top griddle fryer etc that could allow radiant heat to raise the exterior temperature of the oven above 130 F 54 C DO NOT MOUNT ABOVE OTHER COOKING EQUIPMENT GAS SUPPLY The serial plate is located inside the lower front panel It indicates the type of gas the unit is equipped to burn All Southbend equipment is adjusted at the factory Check type of gas on serial plate These models are design certified for operation on natural or propane gases For natural gas the regulator is set to deliver a 4 0 W C pressure to the manifold For propane gas it is set to deliver 11 W C PAGE 4 OF 44 OPERATOR S MA
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