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Southbend CG90-1 Operator's Manual

Combination (combi) oven
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Combination (Combi) Oven
Improper installation, adjustment, alteration, service or maintenance can cause property damage,
injury or death. Read the installation, operating and maintenance instructions thoroughly before
(800) 348-2558 or (919) 552-9161 FAX (800) 348-2558 or (919) 552-9798
M
1180963
ANUAL
$18.00
OPERATOR'S MANUAL
!
installing or servicing this equipment.
1100 Old Honeycutt Road, Fuquay-Varina, NC 27526
Model CG90-1
WARNING
IMPORTANT FOR FUTURE REFERENCE
Please complete this information and retain this
manual for the life of the equipment:
Model #: __________________________
Serial #: __________________________
Date Purchased: ___________________
COMBINATION OVEN
MANUAL SECTION CB

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  • Page 1 1100 Old Honeycutt Road, Fuquay-Varina, NC 27526 (800) 348-2558 or (919) 552-9161 FAX (800) 348-2558 or (919) 552-9798 1180963 ANUAL $18.00 Model CG90-1 WARNING installing or servicing this equipment. IMPORTANT FOR FUTURE REFERENCE Please complete this information and retain this...

  • Page 2: Safety Precautions

    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.

  • Page 3: Table Of Contents

    For best results, read this manual carefully. RETAIN THIS MANUAL FOR FUTURE REFERENCE. Model Numbers This manual is for the Southbend Combination Oven model CG 90-1. The serial plate is located behind the lower front panel on the left side. Table of Contents Specifications...4 Installation...6...

  • Page 4: Specifications

    PECIFICATIONS PECIFICATIONS DIMENSIONS Internal Dimensions: 20.75" Wide, 31.75" Deep, 22" High Model Cabinet Width (A) Overall Width (B) CG90-1 38" Water Connection 3/8" NPT (Female) Model From Right (F) Above Floor (I) CG90-1 12.6" 33.9" Burners total 90,000 BTU. Supply pressure should be > 7" W.C. for natural gas or > 11" W.C. for propane.
  • Page 5 OMBINATION ELECTRIC Maximum 8.0 amps (use 15 amp circuit breaker). Three voltage options: 120 VAC, 60 Hz, 1 phase: Six-foot cord with three-prong plug (standard option). 208 VAC, 60 Hz, 1 or 3 phase: Wire junction box to terminal block located near rear of motor compartment. 240 VAC, 60 Hz, 1 or 3 phase: Wire junction box to terminal block located near rear of motor compartment.

  • Page 6: Installation

    NSTALLATION NSTALLATION Do not locate unit 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 combination oven above 130°F (54°C). DO NOT MOUNT ABOVE OTHER COOKING EQUIPMENT. These installation procedures must be followed by qualified personnel or warranty will be void.
  • Page 7 OMBINATION Step 2: Install the Legs A set of legs is packed in the unit. The legs can be adjusted to overcome a slightly uneven floor. When legs with casters have been ordered, the casters are provided with a Zerk fitting for proper lubrication when required.
  • Page 8 NSTALLATION Step 3: Check Clearances and Ventilation There must be adequate clearance between oven(s) and construction. Clearance must also be provided for servicing and for operation. Minimum Clearances: From Combustible Construction Back Right Side Left Side Floor Adequate clearance must be provided in the aisle and at the side and rear to allow the door to open sufficiently to permit the removal of the racks and for serviceability.
  • Page 9 NSTALLATION OMBINATION Utility Connections 3/8" Female NPT Water Inlet Connection 2" OD Drain Connection 3/4" Male NPT Gas Connection Electrical Cord for 120V Units ’ 1180963 PERATOR S ANUAL...
  • Page 10 NSTALLATION Step 4: Electrical Connections A wiring diagram is located inside the control compartment on the right side of the pull-out control-panel assembly. To access the control-panel compartment, remove the screw at the top of the control panel and pull the control panel out. Units ordered with a 115VAC, 60Hz, single-phase electrical rating are factory-supplied with three-wire cord and three-prong plug, which fits any standard three-prong grounded receptacle.
  • Page 11 NSTALLATION OMBINATION Step 6: Water Drain The drain line from the oven is a 2" O.D. tube (see figure on page 9). Position the oven near, but not on top of, an open floor drain. DO NOT directly plumb to the oven unless you also install an “open funnel” downstream of this connection in the drain system.
  • Page 12 The serial plate is located behind the lower front panel on the left side. 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.
  • Page 13 NSTALLATION OMBINATION Step 8: Installation and Performance Check The following items should be checked by a qualified service technician: 1. Verify that oven is level. 2. Verify proper electrical characteristics (voltage, cycle, phase). 3. Check ventilation. 4. Check electrical connections (external and internal). 5.

  • Page 14: Operation

    PERATION PERATION No attempt should be made to operate oven during a power failure. A manual gas shutoff valve is located behind front lower panel for turning gas on and off. OPERATION (FOR STANDARD CONTROL OPTION) Lighting the Combi – The Combi has an intermittent standing pilot. When the unit is turned on, the lighting sequence is controlled by an ignition module.
  • Page 15 PERATION OMBINATION Setting Cooking Temperature – The cooking temperature can be set in oven mode and Combi mode but not in steam mode. In steam mode, the setpoint temperature is preset to 215ºF, to allow pure, slightly superheated steam to circulate within the cavity. The temperature range in oven mode and Combi ode is 145ºF to 500ºF.
  • Page 16 PERATION Operation of Combination Oven with Standard Controls 12:30 Power Switch When the power switch is turned ON. the oven performs a self-diagnostic test, ºF. then defaults to OVEN mode at 350 Fan Speed The fan speed can be changed to HIGH FAN or LOW FAN at any time while the food is cooking.

  • Page 17: Cooking Hints

    OMBINATION OOKING INTS All times and temperatures are estimates and should be verified in actual practice. Starting temperature of food, pan size/fullness, and opening oven during cooking will affect cooking times. Baked Goods Menu Item Mode Apple pie, mile-high Oven Biscuits Oven Biscuits, cinnamon raisin...
  • Page 18 OOKING INTS Beef and Veal Menu Item Mode BBQ beef (raw brisket) Combi Beef Sausage links Steam Braised beef w/mushrooms Combi Corned beef hash Combi Fillet steak Combi Grilled flank steak Combi Hamburger pie Combi Hamburgers (Frozen patties) Combi Herbed pot roast Combi Hot dogs Steam...

  • Page 19: Fish And Shellfish

    OMBINATION Fish and Shellfish Menu Item Mode Crab Steam Halibut Combi Perch Oven Salmon (fresh) Combi Shrimps – frozen Steam Trout Oven Pork and Lamb Menu Item Mode Bacon slices Combi Baked ham Combi Baked pork chops Combi BBQ boneless rib for sandwich Combi (retherm) BBQ pork for sandwich (Boston...
  • Page 20 OOKING INTS Potatoes, Pasta, and Grains Menu Item Mode Baked potatoes Oven New, red potatoes Steam Rice (short grain) Steam Poultry Menu Item Mode Chicken wings Combi Chicken, half Combi Chicken, whole Combi Turkey Combi Turkey breast Combi Vegetables Menu Item Mode Asparagus Steam...
  • Page 21 OMBINATION Vegetables, continued Menu Item Mode Green beans w/water chestnuts Steam Green beans, French cut Steam (frozen) Green beans, whole Steam Italian vegetables (frozen) Steam Mixed vegetables (frozen) Steam Mushrooms Steam Peas and mushroom (frozen) Steam Peas, garden (frozen) Steam Ratatouille Combi Snap peas, sugar (frozen,...

  • Page 22: Cleaning

    Use pump-up sprayer (Southbend Part# 1180973) supplied with the unit to spray RCS Special Cleaning Agent (Southbend Part# 1180974) inside the oven cavity, behind the air baffle, and on the inner side of the door. (CAUTION: Do not spray RCS Special Cleaning Agent into a hot oven! Discoloration of the interior surfaces will result.
  • Page 23 OMBINATION PERIODIC CLEANING • If lime or mineral deposit starts to build up in the interior, clean the unit by using Southbend “descaler” or other non-caustic deliming solution. Follow manufacturer’s recommended procedures. Thoroughly rinse out unit with clean water. •...

  • Page 24: Troubleshooting

    This section contains a troubleshooting key and referenced flowcharts to assist a qualified service technician in the servicing of a Southbend Combi oven. The Southbend Combi is equipped with a printed circuit board controller that undergoes a diagnostic check every time the Combi is turned on. This diagnostic check requires between 35 and 105 seconds.
  • Page 25 OMBINATION TROUBLESHOOTING KEY Find the symptom below that corresponds to the malfunction, then turn to the corresponding figure and page. Follow the flowchart on that page until the problem is solved. Symptom Unit Not Working, No Lights Unit Not Heating Properly (No Gas Error) Gas Error Unit Not Steaming Properly in Steam Mode or Combi Mode Blower Not Running Properly...

  • Page 26: Unit Not Working, No Lights

    ROUBLESHOOTING Unit Not Working, No Lights Unit Not Working, No Lights. Check circuit breaker Ensure 120V between terminals TBA1 and TBA2 of terminal block A. Check voltage between where Wire 57 attaches to fuseblock and TB-B2. Is voltage approximately 120 volts? Test and replace fuse, as necessary.

  • Page 27: Unit Not Heating Properly (No Gas Error)

    OMBINATION Unit Not Heating Properly (No Gas Error) Unit Not Heating Properly (No Gas Error) Disconnect power. Remove control panel thumbscrew and slide control panel out, Reconnect power. Start unit. Check gas supply pressure. (There is an inlet pressure tap on the gas combination valve that can be used for this purpose.) Supply pressure should be >...

  • Page 28: Gas Error

    ROUBLESHOOTING Gas Error Ensure that gas shut-off valve is open. Check gas supply pressure. (There is an inlet pressure tap on the gas combination valve that can be used for this purpose.) Supply pressure should be > 7" W.C. for natural gas or > 11" W.C. for propane. Remove front lower panel and burner box cover.

  • Page 29: Unit Not Steaming Properly In Steam Mode Or Combi Mode

    OMBINATION Unit Not Steaming Properly in Steam Mode or Combi Mode Unit Not Steaming Properly in Steam Mode or Combi Mode. Check water pressure at unit with unit running. Disconnect plug PL3 and place test leads in harness side of plug.

  • Page 30: Blower Not Running Properly

    ROUBLESHOOTING Blower Not Running Properly Blower Not Running Properly (with Door Closed) Disconnect 4-pin connector. Place fan switch in "HIGH FAN" position. Locate the terminals where Wires 21 and 55 are attached and check for continuity between these terminals. Place the fan switch in "LOW FAN"...

  • Page 31: Electric Schematic For 120 Volt 60 Hz Models

    ROUBLESHOOTING OMBINATION Figure 4 Electric Schematic for 120 Volt 60 Hz Models ’ 1180963 PERATOR ANUAL...

  • Page 32: Parts

    For parts not listed, consult a Southbend Authorized Parts Distributor or Southbend Authorized Service Agency. Consult the Southbend Authorized Parts/Service Distributor list for the Authorized Parts supplier in your area. If this list is not available, call Southbend at 1-800-348-2558 to obtain this list. Index of Combination Oven Parts Diagrams...
  • Page 33 OMBINATION Blower and Motor Parts Part Number Description 1180934 Blower Wheel Weld Assembly 1180932 Packing Material, FDA Approved 1180910 Washer, Flat 1180909 Washer, Wave Spring, SS 1180903 Fitting, Motor Shaft Seal 1180686 Motor Pocket S/W/A 1180633 Fan, Water Dispersing 1180621 Motor, 115V 60CC 2 Speed 1179710 Spacer, Blower, Motor...
  • Page 34 ARTS Control Panel Subassembly Parts See drawing on following page. Part Number Description 1172275 Plastic Knob 1177515 Bracket, Ignition Module 1178391 Fuseblock, Controls 1178534 Bracket, On/Off Switch 1180617 Control Panel, Subassembly (assembled) 1180635 Ignition Module 1180636 Control Board 1180906 Fuse, Time-Delay, 20 A 1180931 Panel Weld Assembly, Control 1180971...
  • Page 35 OMBINATION Control Panel Subassembly Parts See parts list on previous page. 6 POSITION TERMINAL STRIP (PART OF WIRING HARNESS, 1880637) 2 POSITION TERMINAL STRIP (PART OF WIRING HARNESS, 1880637) ’ PERATOR 1180963 ANUAL ARTS...
  • Page 36 ARTS Frame and Exterior Parts See drawing on following page. Part Number Description 1180641A Trough, Drain 1180974 Switch, CO High Limit 1180953 Hanger, Hose 1180936 Frame, Vertical, Weld Assembly 1180935 Frame, Horizontal, Cavity, Weld Assembly 1180660 Bracket, Front and Rear Pipe Support 1180655 Base Weld Assembly 1180649...
  • Page 37 ARTS OMBINATION Frame and Exterior Parts See parts list on previous page. ’ 1180963 PERATOR ANUAL...

  • Page 38: Cavity Parts

    ARTS Cavity Parts See drawing on following page. Part Number Description P6016 Fitting, Brass, STRT, 68C-6-4 1180998 Baffle, Weld Assembly 1180997 Disk, Pressure Relief 1180996 Spring, Relief Valve 1180992 Insul. Cover for Flue 1180983 Probe Bracket 1180982 Probe Bracket Clamp 1180962 Door Switch Assembly 1180961...
  • Page 39 ARTS OMBINATION Cavity Parts See parts list on previous page. ’ 1180963 PERATOR ANUAL...
  • Page 40 ARTS Door Subassembly Parts Part Number Description 1180977 Hinge, Door 1180940 Panel, Door, Weld Assembly 1180938 Door Latch & Striker 1180691 Insulation, Door 1180685 Panel Assembly, Inner Door 1180627 Gasket, Door 1180618 Door Subassembly (assembled) 1180614 Door Gasket Retainer 1146363 Screw, 1/4 -20x2, SS, Slotted Flat Head 1146303 Screw, #8 x 1/2...
  • Page 41 OMBINATION Sprayer and Water Train Parts Part Number Description 1173433 Nipple, 1/4 NPT 1174620 Spray Nozzle 1180668 Water Inlet Subassembly (assembled; for components, see page 44) 1180908 Valve, Solenoid, 1/8 1180943 Tube, Water Supply 1180944 Tube, Spray Supply 1180958 Spray Hose 1180959 Spray Nozzle, 3/4 FGH P4119...
  • Page 42 ARTS Burner and Gas Train Parts See drawing on following page. Part Number Description 1036600 Orifice Fitting 1036603 Screw, Brass, 5/16-18x3/4 Hexhead 1036604 Nut Air Collar 1036605 Air Collar PLTD 1036607 Burner, Fry Pot, 4 inch 1036611 Burner Orifice - Nat #44 Drill 1036610 Orifice Spud Propane #54 Drill (option) 1054118...
  • Page 43 ARTS OMBINATION Burner and Gas Train Parts See parts list on previous page. ’ 1180963 PERATOR ANUAL...
  • Page 44 ARTS Water Inlet Subassembly Parts Part Number Description 1173428 Strainer. Y In-Line 1173433 Nipple, 1/4 NPT 1176254 Tee, 1/8 NPT, Fem 1176384 Nipple, Close 1178283 Bushing, Brass, 1/4 inch x 3/8 inch 1180669 Bracket, Water Inlet 1180908 Valve, Solenoid, 1/8 1180937 Pressure Regulator 1180939...
  • Page 45 OMBINATION Black Legs with Casters Parts Part Number Description 1174265 Caster Package, 4 Bolt 1177850 Leg Assembly, Caster 1146213 Bolt, 3/8-16x1 Hex Head 1146505 Washer 5/16, Flat 1146513 Washer 3/8, Lock 1176351 Sticker. Legs * not shown on drawing. ’ PERATOR 1180963 ANUAL...
  • Page 46 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 unit.

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