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WELLS BLOOMFIELD, LLC
2 ERIK CIRCLE, P. O. Box 280 Verdi, NV 89439
telephone: 775-689-5707
www.wellsbloomfield.com
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 pending.
75908
p/n
Rev. E ECN-13385
fax: 775-689-5976
PRINTED IN UNITED STATES OF AMERICA
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
M645
645
07
1107 cps
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Summary of Contents for Bloomfield ELECTRONIC BREW CONTROL 1090
- Page 1 WELLS BLOOMFIELD, LLC 2 ERIK CIRCLE, P. O. Box 280 Verdi, NV 89439 telephone: 775-689-5707 fax: 775-689-5976 www.wellsbloomfield.com 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 pending.
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Page 2: Warranty Statement
It also does not apply if the serial nameplate has been removed or unauthorized service personnel perform service. The prices charged by Bloomfield Industries for its products are based upon the limitations in this warranty. obligation under this warranty is limited to the repair of defects without charge by a Bloomfield Authorized Service Agency or one of its sub-agencies. -
Page 3: Table Of Contents
1090R 1091k Thermal 1091R 1092k Airpot 1092R 1092SS 1093k Airpot 1093N 1093R k Meets Canadian Standards This manual applies to the following Wells Bloomfield E. B. C. 1090 1090R 1091 1091R 1092 1092R 1092SS 1093 1093NF 1093R SPECIFICATIONS AMPS VOLTS... -
Page 4: Features & Operating Controls
FEATURES AND OPERATING CONTROLS Fig. 1 Features & Operating Controls... -
Page 5: Precautions & 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... -
Page 6: Installation Instructions
NOTE: Water supply inlet line must meet certain minimum criteria to insure successful operation of the brewer. Bloomfield recommends 1/4" copper tubing for installation of less than 25 feet and 3/8" for more than 25 feet from a 1/2" water supply line. - Page 7 NSF requires that the brewer be able to be moved for cleaning underneath. A flex line or loops of copper tubing will satisfy this requirement. See Figure 2 below. Fig. 2 Water Supply Installation In some areas, local codes require a backflow preventer (check valve) to be installed on the inlet water line.
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Page 8: Operation
OPERATION Fig. 4 Brewer Operation Diagram IMPORTANT: Tank must be full of water before connecting brewer to electrical power. Heating elements will be damaged if allowed to operate without being fully submerged in water. Damage caused by operating the brewer without water in the tank is NOT COVERED BY WARRANTY. -
Page 9: Water Heater
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. -
Page 10: Electronic Features
OPERATION (continued) IMPORTANT: DO NOT energize this brewer until the water tank has been filled. Dry firing will damage heating elements. See page 6. Fig. 7 Turning Brewer Fig. 8 Initiate a Brew Fig 9 Brew Cancel ELECTRONIC FEATURES Energizing the Brewer When electric power is applied to the unit, all the lights will flash four times and four beeps will sound. - Page 11 Quality Timer Coffee looses freshness as it sits on a warmer. The Quality Timer flashes the warmer lights 30 minutes after the last brew to remind you that the coffee is nearing the end of its useful life. After Hours™ Operation During normal operation, the controller will maintain the precise brewing temperature.
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Page 12: Brewing Coffee
However, overuse of the faucet during a brew may lower the temperature of the brew water. B. PREPARATION Place one (1) genuine Bloomfield paper filter in the brew chamber. Add a pre-measured amount of fresh coffee grounds. Gently shake the brew chamber to level the bed of grounds. -
Page 13: Cleaning Instructions
PROCEDURE: Clean Coffee Brewer PRECAUTIONS: Disconnect brewer from electric power. Allow brewer to cool. FREQUENCY: Daily TOOLS: Mild Detergent, Clean Soft Cloth or Sponge Bristle Brush. 1. Disconnect brewer from electric power. Allow brewer to cool before cleaning. 2. Remove and empty airpots or thermal servers. 3. -
Page 14: Troubleshooting Suggestions
Examine wiring & connectors, controller, power board and heating element Repair/replace as needed Adjust controller. See page 16 Use one (1) genuine Bloomfield filter per brew Thoroughly clean brew chamber Check/reinstall gasket on INSIDE of brew head Clean spray disk Check keypad, controller, power board &... -
Page 15: Error Detection
This brewer is designed to perform a continuous internal diagnosis, and to signal faults by flashing all the lights. In fault mode, warmers, heating element and water fill solenoid are turned “off”, and most keypad functions are disabled. Error detection (all lights flashing) will occur under two conditions: •... -
Page 16: Servicing Instructions
SERVICING INSTRUCTIONS CAUTION: SHOCK HAZARD Opening access panels or removing warmer plates on this brew may expose uninsulated electrical components. Disconnect brewer from electrical power before removing any panel or warmer plate. Fig. 12 Access Panels ACCESS PANELS TOP PANEL: Remove top panel to access hot water tank, thermo probe, heating elements, brew circuit tubing, faucet valve and piping. -
Page 17: Temperature Adjustment
TEMPERATURE ADJUSTMENT Unplug power cord or turn circuit breaker OFF. Remove top panel. Remove button plug from front panel. Fig. 13 Checking and Adjusting Brew Temperature Pull vent tube out of tank lid and insert a thermometer of known accuracy in vent hole. Reconnect brewer to electrical power. Place empty container under brew chamber. - Page 18 SERVICING INSTRUCTIONS (continued) IMPORTANT: Water pressure must be between 20 p.s.i and 90 p.s.i. flowing pressure. If water pressure exceeds this value, or if water pressure varies greatly, a pressure regulator must be installed in the water supply line. Fig. 14 Adjust BrewTime and Dripout Time IMPORTANT: Before setting assembly into tank, make sure...
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Page 19: Replace Solenoid
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. - Page 20 SERVICING INSTRUCTIONS (continued) IMPORTANT: When replacing water faucet coil, also replace seal gaskets. NOTE: Any abrasion or roughness on the flat end of the seat cup will require replacing the seat cup: Work the seat cup out of the bonnet and off of the end of the stem.
- Page 21 SERVICING INSTRUCTIONS (continued) SET CONTROLLER JUMPERS Placing the jumper across Q1 sets Quality Time at 20 Minutes. Placing the jumper across Q2 sets Quality Time at 30 Minutes. Removing jumpers from both Q1 or Q2 disables Quality Timer. Placing the jumper across V1 sets Valve Time Range to - 180 seconds.
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Page 22: Deliming Instructions
SERVICING INSTRUCTIONS (continued) CAUTION: CHEMICAL BURN HAZARD Deliming chemicals are caustic. Wear appropriate protective gloves and goggles during this procedure. Never siphon deliming chemicals or solutions by mouth. This operation should only be performed by qualified and ex- perienced service personnel. IMPORTANT: DO NOT spill, splash or pour water or deliming solution into or over any internal... - Page 23 Run at least three full brew cycles and discard all water generated. 12. Brewer is ready to use. SERVICING INSTRUCTIONS (continued) NOTE: Normally, silicone hoses do not need to be delimed. Should deliming hoses become necessary, Bloomfield recommends replacing the hoses.
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Page 24: Exploded Views & Parts Lists
EXPLODED VIEW & PARTS LIST HOT WATER TANK ASSEMBLY ITEM PART NO. DESCRIPTION 8043-5 Hold Down Strap 8043-506 Nut, 8-32 SS Acorn 83644 Temperature Probe 83731 Seal Washer 8043-12 Tank Cover Gasket 8043-30 Seal Gasket 8540-6 Hot Water Coil 8043-8 Inlet Elbow 8043-15 Vent Tube... -
Page 25: Electrical Components
ELECTRICAL COMPONENTS ITEM PART NO. DESCRIPTION 82936 Switch, DPST 1080-10 Keypad 8552-18 Terminal Strip 8541-120 Solenoid Valve (old-style) 85753 Solenoid Valve w/Bypass (new-style) 85754 Solenoid Valve, Single (new-style) 83644 Temperature Probe 8552-50 Hi-Limit Thermostat 8043-14 Tank Heating Element 120V / 1500W 8716-1 Tank Heating Element 240V / 3500W 1080-226... - Page 26 EXPLODED VIEW & PARTS LIST (continued) INTERNAL PLUMBING COMPONENTS ITEM PART NO. DESCRIPTION 8540-3 Faucet Outlet Tube Assembly 8551-30 1/4“ Male Flare x 1/8” FPT 8514-26 Needle Valve (Faucet Shut-Off) 85681 Inlet Tube Assembly 8540-30 Elbow 8043-13 Sprayer Elbow 82556 Faucet Assembly 8543-42 Spray Head Gasket...
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Page 27: Cabinet Components
Cover, Pour-Over 8542-6 Top Panel 8541-21 Basin Pan Bracket, Hi-Limit Thermostat Basin Body, Welded Assy 8942-6B Brew Chamber, Black 8942-6 Brew Chamber, Brown 8707-6 Brew Chamber, Stainless Bloomfield Paper Filter (pk 1000) EXPLODED VIEW & PARTS LIST (continued) USED ON... -
Page 28: Wiring Diagrams
WIRING DIAGRAM MODEL VOLTS 1090 120/240 1092 120/240 WATTS AMPS 4000 4000... - Page 29 CONTROL BOARD TEMPERATURE PROBE LIMIT HEATING ELEMENT LEFT SIDE RIGHT SIDE CONTROL BOARD TEMPERATURE PROBE LIMIT HEATING ELEMENT WIRING DIAGRAM (continued) POWER BOARD NEUTRAL IN VALVE B HEATER B VALVE A LINE IN HEATER A POWER BOARD NEUTRAL IN VALVE B HEATER B VALVE A LINE IN...
- Page 30 Commercial Food Equipment Service Association Wells Bloomfield proudly supports CFESA Commercial Food Equipment Service Association SERVICE TRAINING - QUALITY SERVICE SERVICE TRAINING - QUALITY SERVICE Genuine Parts Protect - YOU - All - Ways CUSTOMER SATISFACTION CUSTOMER SATISFACTION WELLS BLOOMFIELD, LLC 2 ERIK CIRCLE, P.
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