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645
WELLSBLOOMFIELD,LLC
2 ERIK CIRCLE, P. O. Box 280 Verdi, NV 89439
fax: 775-689-5976
telephone: 775-689-5707
www.wellsbloomfield.com
OWNERS MANUAL
for
E. B. C.™
Electronic
Brew
Control ™
DUAL
AIRPOT AND THERMAL
COFFEE BREWERS
MODELS
1090 1091
1092 1093
Includes:
Installation
Use & Care
Servicing Instructions
Model 1092 Brewer
with optional
7759 Airpots
E.B.C.™ brewers are protected under
U. S. Patent # 5, 704,275
Other U. S. and Canadian patents pendi
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645 75908 Owners Manual E.B.C. Dual Airpot/Thermal Brewer WARRANTY STATEMENT All electrical equipment manufactured by WELLS It also does no t apply if the serial nameplate has been BLOOMFIELD, LLC is warranted against defects in materials removed or unauthorized service personnel perform service. and workmanship for a period of one year from the date of The prices charged by Bloomfield Industries for its products original installation or eighteen (18) months from the date of
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TABLE OF CONTENTS WARRANTY STATEMENT xi Thank You for purchasing this Wells Bloomfield appliance. SPECIFICATIONS 1 FEATURES & OPERATING CONTROLS 2 Proper installation, professional PRECAUTIONS & GENERAL INFORMATION 3 operation and consistent AGENCY LISTING INFORMATION 3 maintenance of this appliance will INSTALLATION INSTRUCTIONS 4 ensure that it gives you the very best performance and a long, OPERATION 6 economical service life. BREWING COFFEE
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645 75908 Owners Manual E.B.C. Dual Airpot/Thermal Brewer FEATURES AND OPERATING CONTROLS Fig. 1 Features & Operating Controls 2
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PRECAUTIONS AND GENERAL INFORMATION WARNING: ELECTRIC SHOCK HAZARD All servicing requiring access to non-insulated components must be performed by qualified service personnel. Do not open any access panels which require the use of tools. Failure to heed this warning can result in electrical shock. WARNING: INJURY HAZARD All installation procedures must be performed by qualified personnel with full knowledge of all applicable electrical and plumbing codes. Failure could result in pr
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645 75908 Owners Manual E.B.C. Dual Airpot/Thermal Brewer INSTALLATION INSTRUCTIONS READ THIS CAREFULLY BEFORE STARTING THE INSTALLATION IMPORTANT: Unpack the unit. Inspect all components for completeness and To enable the installer to make condition. Ensure that all packing materials have been removed a quality installation and to from the unit. minimize installation time, the Verify that the Spray Head Gasket and Spray Disk are properly following suggestions and tests insta
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INSTALLATION INSTRUCTIONS (continued) NSF requires that the brewer be able to be moved for cleaning NOTE: This equipment must be underneath. A flex line or loops of copper tubing will satisfy this installed to comply with requirement. See Figure 2 below. applicable federal, state and local plumbing codes and ordinances. WARNING: SHOCK HAZARD Brewer must be properly grounded to prevent possible shock hazard. DO NOT assume a plumbing
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645 75908 Owners Manual E.B.C. Dual Airpot/Thermal Brewer OPERATION Fig. 4 Brewer Operation Diagram IMPORTANT: A. START-UP Tank must be full of water For initial start-up, or if the brewer has not been used for an before connecting brewer extended period of time: to electrical power. Heating elements will be ♦ Be sure spray disk and brew gasket are properly installed in the damaged if allowed to brew head. operate without being fully ♦ Be sure the
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OPERATION (continued) WATER HEATER Water temperature is sensed by an electronic water temperature probe inserted into the water tank. This temperature signal is fed to the controller. The setpoint temperature is adjustable. The controller sends a command signal to the power board based upon a comparison between the setpoint temperature and actual temperature. See page 15. The power board energizes the heating elements based on the command signal from the contr
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645 75908 Owners Manual E.B.C. Dual Airpot/Thermal Brewer OPERATION (continued) IMPORTANT: ELECTRONIC FEATURES DO NOT energize this brewer until the water tank Energizing the Brewer has been filled. Dry firing When electric power is applied to the unit, all the lights will flash four will damage heating times and four beeps will sound. The unit will be OFF. elements. See page 6. Press the ON/OFF key. Four beeps will sound and all lights will flash once. The POW
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OPERATION (continued) Quality Timer Quality Timer is normally set for 30 minutes. It can Coffee looses freshness as it sits on a warmer. The Quality Timer be set for 20 minutes by flashes the warmer lights 30 minutes after the last brew to remind you moving a jumper on the that the coffee is nearing the end of its useful life. controller. See page 19. After Hours™ Operation During normal operation, the controller will maintain the precise After Hours™ is an energy br
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645 75908 Owners Manual E.B.C. Dual Airpot/Thermal Brewer BREWING COFFEE B. PREPARATION CAUTION: BURN HAZARD Place one (1) genuine Bloomfield PAPER FILTER paper filter in the brew chamber. Exposed surfaces of the Add a pre-measured amount of brewer, brew chamber and fresh coffee grounds. airpot or server may be BREW Gently shake the brew chamber to CHAMBER HOT to the touch, and can level the bed of grounds. Slide the cause serious burns. brew chamber into place
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CLEANING INSTRUCTIONS PROCEDURE: Clean Coffee Brewer CAUTION: BURN HAZARD PRECAUTIONS: Disconnect brewer from electric power. Allow brewer to cool. Brewing and serving temperatures of coffee are FREQUENCY: Daily extremely hot. Hot coffee will cause TOOLS: Mild Detergent, Clean Soft Cloth or Sponge serious skin burns. Bristle Brush. CAUTION: SHOCK HAZARD 1. Disconnect brewer from electric power. Allow brewer to cool before cleaning. Do not su
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645 75908 Owners Manual E.B.C. Dual Airpot/Thermal Brewer TROUBLESHOOTING SUGGESTIONS SYMPTOM POSSIBLE CAUSE SUGGESTED REMEDY Water won’t heat Brewer unplugged or circuit Check power supply cord breaker tripped Check / reset circuit breaker Temperature adjusted too low Turn on and set for desired or set to OFF temperature. See page 15 Hi-Limit thermostat tripped Allow to cool. Reset hi-limit Damaged internal component or Examine wiring & connectors, wiring co
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ERROR DETECTION This brewer is designed to perform a continuous internal CAUTION: diagnosis, and to signal faults by flashing all the lights. In fault SHOCK HAZARD mode, warmers, heating element and water fill solenoid are turned “off”, and most keypad functions are disabled. Live electrical circuits may be exposed while performing Error detection (all lights flashing) will occur under two conditions: these procedures. • Anytime a temperature in excess of 214
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645 75908 Owners Manual E.B.C. Dual Airpot/Thermal Brewer SERVICING INSTRUCTIONS ACCESS PANELS CAUTION: SHOCK HAZARD TOP PANEL: Opening access panels or Remove top panel to access hot water tank, thermo probe, removing warmer plates on this heating elements, brew circuit tubing, faucet valve and piping. brew may expose uninsulated Top panel is held by two screws at the rear and a retaining lip at electrical components. the front. Disconnect brewer from elect
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SERVICING INSTRUCTIONS (continued) TEMPERATURE ADJUSTMENT CAUTION: SHOCK HAZARD Unplug power cord or turn circuit breaker OFF. Remove top panel. Remove button plug from front panel. These procedures involve exposed electrical circuits. These procedures are to be performed by qualified technical personnel only. Fig. 13 Checking and Adjusting Brew Temperature Pull vent tube out of tank lid and insert a thermometer of known accura
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645 75908 Owners Manual E.B.C. Dual Airpot/Thermal Brewer SERVICING INSTRUCTIONS (continued) IMPORTANT: Water pressure BREW TIME ADJUSTMENT must be between 20 p.s.i and The amount of water dispensed automatically during a brew cycle 90 p.s.i. flowing pressure. is controlled by the SOLENOID TIME dial of the controller. If water pressure exceeds this value, or if water pressure Place empty decanter under brew chamber. Press BREW varies greatly, a pressure
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SERVICING INSTRUCTIONS (continued) REPLACE SOLENOID Unplug power cord. Turn OFF and disconnect water supply from brewer inlet fitting. Remove front panel. Remove two screws holding access door in place. Remove access door and solenoid. Unscrew inlet fitting cap to release solenoid from door. Remove wiring from solenoid. Large end of wrench 86660 can be used to hold solenoid inlet fitting while disconnecting supply line. Fig. 15 Fill Solenoid REPLACE FAUCET SUPPL
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645 75908 Owners Manual E.B.C. Dual Airpot/Thermal Brewer SERVICING INSTRUCTIONS (continued) IMPORTANT: When replacing REPLACE HOT WATER FAUCET COIL water faucet coil, also replace (Symptom: Brewer drips continuously from brew head, except seal gaskets. when faucet valve is turned OFF.) Remove tank lid assembly per above. Remove two hex nuts hot water coil to cover. Pull coil from mounting holes. Reassemble in reverse order. NOTE: Any abrasion or REPAIR
