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Wells BWB-1S Service Instructions Manual

Belgian waffle bakers
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211
WELLS MANUFACTURING COMPANY
2 ERIK CIRCLE, P. O. Box 280
Verdi, NV 89439
Customer Service (775) 345-0444 Ext.502
fax: (775) 345-0569
www.wellsbloomfield.com
SERVICE
INSTRUCTIONS
for
BELGIAN
WAFFLE
BAKERS
Model
BWB-1S
IMPORTANT: WELLS MFG. PROPRIETARY INFORMATION
TECHNICAL CONTENT OF THIS MANUAL IS DESIGNED FOR
USE BY QUALIFIED PROFESSIONAL TECHNICIANS ONLY
Part No. 502972 Rev. A
S211 111000 cps

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Summary of Contents for Wells BWB-1S

  • Page 1 Customer Service (775) 345-0444 Ext.502 fax: (775) 345-0569 www.wellsbloomfield.com SERVICE INSTRUCTIONS BELGIAN WAFFLE BAKERS Model BWB-1S IMPORTANT: WELLS MFG. PROPRIETARY INFORMATION TECHNICAL CONTENT OF THIS MANUAL IS DESIGNED FOR USE BY QUALIFIED PROFESSIONAL TECHNICIANS ONLY Part No. 502972 Rev. A S211 111000 cps...

  • Page 2: General Safety Procedures

    GENERAL SAFETY PROCEDURES Knowledge of proper procedures is essential to the safe operation of electrically energized equipment. In accordance with generally accepted product safety labeling guidelines for potential hazards, the following signal words and symbols are used throughout this manual. DANGER - Danger is used to indicate the presence of a hazard which will DANGER cause severe personal injury, death, or substantial property damage in the...

  • Page 3: Table Of Contents

    TABLE OF CONTENTS General Safety Procedures Specifications Features and Operating Controls Servicing Precautions for This Equipment Troubleshooting Servicing Instructions Wiring Diagrams Parts Breakdown GENERAL SPECIFICATIONS DIMENSIONS Wide Deep High ELECTRICAL Voltage Amperage Wattage Cord Inside Cover 10-1/8” 14” 10-9/16” 120 VAC 1Ø 7.5 Amp 900 W NEMA 5-15P...

  • Page 4: Features And Operating Controls

    FEATURES AND OPERATING CONTROLS BOTTOM GRID wiring cover removed POWER CORD DATA PLATE MICRO SWITCH TEMPERATURE PROBE HANDLE ASSY SUPPORT BRACKET HOLE PLUG WIRING COVER TEMP. CONTROLLER INDICATOR LIGHT BEARING ASSY PIVOT ASSY RUBBER FEET BOTTOM GRID TOP GRID BUZZER TIMER POWER SWITCH (73.)
  • Page 5 Whenever servicing is required to correct electrical or temperature complaints, always refer service to a Wells Factory Authorized Service Agency. Refer to Wells Form #37000 for a complete listing of factory authorized service agency locations. GROUND PRONG...

  • Page 6: Troubleshooting

    B. TEMPERATURE CHECKS Desired baking temperature is 390ºF ±5ºF (200ºC ±3ºC). Turn the power switch a minimum of 30 minutes. Insert a pyrometer of known accuracy betwen the grids and allow the readings to stabilize. Temperature may be adjusted by removing the back panel, and turning the dial on the temp controller: CW to decrease temperature;...

  • Page 7: Voltage Checks

    D. VOLTAGE CHECKS NOTE: Resistance of the temperature probe is typically 5 megohm at room temperature, with resistance decreasing as temperature rises. A shorted temperature probe will cause a runaway condition, and an open probe will cause a continuous Voltage between temperature controller terminals 2 & 3 will be 120V any time the power switch (item 66) is turned .

  • Page 8: Servicing Instructions

    SERVICING INSTRUCTIONS SUPPORT BRACKET TRADEMARK PLATE RETAINER CABINET ASSEMBLY Insert the trademark plate from the front. From the rear of the cabinet, slide retainers over the trademark plate pins. Using a deep socket, tap the retainers down until they are flush with the cabinet surface.

  • Page 9: Back Panel Assembly

    ALL GROUND WIRES CONNECT TO THIS STUD BUZZER TIMER TIMER BRACKET PC BOARD STANDOFF BACK PANEL ASSEMBLY Apply foam tape to the back panel flange - inside surfaces for the right, left and bottom; outside surface for the top. Insert the power cord into the strain relief, then install the strain relief from the outside of the back panel.
  • Page 10 TOP GRID Prepare grid casting by applying a small amount of anti-sieze paste to all threaded holes. Feed wires 5, 6 & 20 thru the right feed-thru hole. Attach wires 5 & 6 to the element terminals. Attach wire 20 to the center-most boss at the front of the casting.
  • Page 11 GRID ASSEMBLY Turn and position the grids so that the waffle-sides are facing each other. Thread the hi-temp tubing thru the shaft of the pivot housing. Attach the pivot housing to the bottom grid with screws (bottom hole) and screws with washers (middle hole). Use anti-sieze paste on the screw threads, but do not tighten the screws yet.
  • Page 12 F. PIVOT BEARING ASSEMBLY The pivot bearing may be out of alignment as it comes from the box. Tap the collar of the bearing with a plastic hammer until the axis of the bearing is perpendicular to the base. Attach the pivot bearing to the inside of the cabinet.

  • Page 13: Wiring Diagrams

    BYPASS HI-LIMIT THERMOSTAT The hi-limit thermostat in this Belgian Waffle Baker has been found to be unnecessary. Wells BWB-1S has been tested and approved by UL for use without the hi-limit thermosat. All units requiring service, whether in or out of warranty, should have the hi-limit thermostat bypassed.

  • Page 14: Parts Breakdown

    HOLDER, PROBE BWB-1S DRIP TRAY, BWB-1S FOAM TAPE HEAT TRANSFER COMPOUND (THERMAL MASTIC) HEAT SINK TEFLON DRIP GUIDE NOT SHOWN: WIRING DIAGRAM BWB-1S WIRESET BWB-1S (OVER HEATED OR RUNAWAY TEMP DAMAGE) ELEMENT JUMPER WIRESET ONLY PARTS BREAKDOWN PART 51038 55539 64887 51217...
  • Page 15 BWB-1S BELGIAN WAFFLE BAKER EXPLODED VIEW...
  • Page 16 IMPORTANT: WELLS MFG. PROPRIETARY INFORMATION TECHNICAL CONTENT OF THIS MANUAL IS DESIGNED FOR USE BY QUALIFIED PROFESSIONAL TECHNICIANS ONLY WELLS MANUFACTURING COMPANY 2 ERIK CIRCLE, P. O. Box 280 Verdi, NV 89439 Service Parts Dept. (888) 492-2782 fax: (888) 492-2783...

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