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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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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 cause severe personal injury, death, or substantial property damage in the DANGER event the statement is ignored. WARNING
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TABLE OF CONTENTS General Safety Procedures Inside Cover Specifications 1 Features and Operating Controls 2 Servicing Precautions for This Equipment 3 Troubleshooting 4 Servicing Instructions 6 Wiring Diagrams 11 Parts Breakdown 12 GENERAL SPECIFICATIONS DIMENSIONS Wide 10-1/8” Deep 14” High 10-9/16” ELECTRICAL Voltage 120 VAC 1Ø Amperage 7.5 Amp Wattage 900 W Cord NEMA 5-15P 1
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FEATURES AND OPERATING CONTROLS 17 BACK VIEW 48 19 9 43 3 2 4 1 5 .1 6 20 73 40 42 39 16 10 28 18 47 27 75 48 66 8 41 BOTTOM GRID RIGHT SIDE VIEW INTERIOR VIEW wiring cover removed shown in “open” position back panel removed 8. POWER CORD 115VAC NEMA 5-15P 9. DATA PLATE Specifies power requirements 10. MICRO SWITCH Initiates timer 16. TEMPERATURE PROBE Thermistor temperature sensor 17. HANDLE ASSY Used to raise / lower / rotate grids 18. SUPPORT BRACKET Supports front of grids 19. HOLE PLUG
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PRECAUTIONS FOR SERVICING THIS EQUIPMENT Disconnect electrical power to equipment prior to performing cleaning or other service. In order to avoid electrical shock, injury and/or equipment damage, use appropriate precautions whenever electrical power must be restored for adjusting, calibrating or taking voltage measurements. Ensure that input power matches the nameplate data for voltage and phase. Input power circuit must meet or exceed the nameplate power requirements. Equipment is equipped wi
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TROUBLE SHOOTING CAUTION: ELECTRIC SHOCK HAZARD Live electrical circuits are exposed during troubleshooting procedures CAUTION: BURN HAZARD Equipment surfaces will be hot during troubleshooting procedures B. TEMPERATURE CHECKS 1. Desired baking temperature is 390ºF ±5ºF (200ºC ±3ºC). 2. Turn the power switch ON and allow the Waffle Baker to heat for a minimum of 30 minutes. Insert a pyrometer of known accuracy betwen the grids and allow the readings to stabilize. 390ºF CALIBRATION 3. Tempe
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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 OFF condition. 1. Voltage between temperature controller terminals 2 & 3 will be 120V any time the power switch (item 66) is turned ON. Absence of 120V indicates power switch OFF or defective, or a wiring or connector problem. 2. Voltage betwee
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SERVICING INSTRUCTIONS CABINET SEAL SUPPORT BRACKET INDICATOR TRADEMARK PLATE RETAINER SWITCH SEAL GUARD ON/OFF PLATE BOTTOM PANEL RUBBER FOOT A. CABINET ASSEMBLY 1. 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. 2. Attach wires 1, 2, 3 & 4 to the switch. Thread one nut onto the switch shaft approximately 1/2 ” , then slid
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HOLE PLUG ASSEMBLY ALL GROUND WIRES CONNECT TO THIS STUD BUZZER POWER CORD STRAIN RELIEF THERMAL MASTIC HEAT SINK BACK PANEL FOAM TIMER TAPE TIMER BRACKET TEMPERATURE PC BOARD STANDOFF CONTROLLER ADJUSTMENT MODULE B. BACK PANEL ASSEMBLY 1. Apply foam tape to the back panel flange - inside surfaces for the right, left and bottom; outside surface for the top. 2. Insert the power cord into the strain relief, then install the strain relief from the outside of the back panel. 3. From
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C. TOP GRID 1. Prepare grid casting by applying a small amount of anti-sieze paste to all threaded holes. 2. 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. 3. Pull the wires back until they have only a small amount of slack. Seal both sides of both feed-thru holes with hi-temperature silicone sealant. 4. Install the grid cover. D. BOTTOM GRID 1. Prepar
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E. GRID ASSEMBLY 1. 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. 2. Insert the pivot shaft thru the pivot housing and top grid, making sure wires 5, 6 & 20 are routed between the pivot shaft and the body of
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F. PIVOT BEARING ASSEMBLY The pivot bearing may be out of alignment as it comes from the box. Tap the collar of the bearing 1. 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. The zerk fitting points downward. Use Loctite on the threads. 2. Looking into the back panel, turn the bearing until the set screws are at the 10:00 and 2:00 position. Assemble the actuator to the pivot bearing. The set
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G. BYPASS HI-LIMIT THERMOSTAT 1. 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. 2. All units requiring service, whether in or out of warranty, should have the hi-limit thermostat bypassed. 3. With the power cord unplugged, remove wires 7 & 19 from the hi-limit thermostat (located in the bottom grid). 7 7 4. Cut the push-on terminals from wires 7 & 1
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PARTS BREAKDOWN REF DESCRIPTION PART # # 1 BOTTOM PANEL 2 BACK PANEL 3 WRAP, CABINET ASSEMBLY 5 SWITCH SADDLE 6 TRADEMARK PLATE 7 RETAINER, TRADEMARK (pk 10) 51038 8 CORD, 125v 15a NEMA 5-15p 55539 9 DATA PLATE 10 SWITCH MICRO 120V 15A 64887 12 STRAIN RELIEF 51217 15 RETAINER RING (pk 10) 50222 16 PROBE, THERMISTOR, BWB-1S 64872 17 HANDLE ASSY BWB-1S 62257 18 BRACKET, FRONT SUPPORT BWB-1S 62028 19 HOLE PLUG ASSY 61064 20 COVER, BWB-1S 62029 21 ACTUATOR 22 SPACER, BWB-1S 62035 23 PIN PIVOT UPPER
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BWB-1S BELGIAN WAFFLE BAKER EXPLODED VIEW 21 44 5 32 22 39 10 20 67 16 42 79 25 19 24 2 12 40 76 8 47 43 23 15 50 45 17 48 20 31 18 9 3 76 62 46 27 28 7 77 78 6 65 64 66 1 75 41 13
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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 service@wellsbloomfield.com
