ページ1に含まれる内容の要旨
TM
BUNNEspress
ESPRESSO/CAPPUCCINO
COFFEE BREWER
P-176
TM
ES•1A
ES•1A
OPERATING & SERVICE MANUAL
BUNN-O-MATIC CORPORATION
POST OFFICE BOX 3227
SPRINGFIELD, ILLINOIS 62708-3227
PHONE: (217) 529-6601 FAX: (217) 529-6644
10712.0000A 7/93 ©1993 Bunn-O-Matic Corporation
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INDEX BUNN Espress™ Model ES•1A™ Warranty..............................................................2 User notices ........................................................3 Features .......................................................... 4-9 Installation .........................................................10 Initial setup/use ................................................. 11 Programming ....................................................12 Cleaning ................................
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WARRANTY BUNN Espress™ Model ES•1A™ BUNN-O-MATIC COMMERCIAL PRODUCT WARRANTY Bunn-O-Matic Corp. (“Bunn”) warrants the equipment manufactured by it to be commercially free from defects in material and workmanship existing at the time of manufacture and appearing within one year from the date of installation. This warranty does not apply to any equipment, component or part that was not manufactured by Bunn or that, in Bunn’s judgement, has been affected by misuse, neglect, alteration, improper in
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USER NOTICES BUNN Espress™ Model ES•1A™ The notices on this brewer should be kept in good condition. Replace unreadable or damaged labels. This equipment is to be installed to comply with the Basic Plumbing Code of the Building Officials and Code Administrators International, Inc. (BOCA) and the Food Service Sanitation Manual of the Food and Drug Administration (FDA). 00656.0000 WARNING HAZARDOUS VOLTAGE UNPLUG BREWER BEFORE REMOVING! 12652.0000 ! WARNING Fill water tank before turning -on CAUT
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FEATURES BUNN Espress™ Model ES•1A™ Hot water rinse dispensing tube and steam dispensing tube The ES•1A™ is equipped with a hot water rinse dispensing tube and a steam dispensing tube. They are operated by moving the levers located at the bottom of the machine from to side-to-side; they can be placed in a continuously open position if required. The outlet tubes can also be rotated. STEAM HOT WATER RINSE P-157 Boiler The boiler is made of copper plating, 1.5 mm thick; it operates under a pressur
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BUNN Espress™ FEATURES Model ES•1A™ 7 6 4 3 9 11 10 2 12 1 P-158 Group head (Espresso extraction chamber) The group head-espresso extraction chamber is where the coffee infusion takes place. After extraction, an electric pressure valve automatically discharges the accumulated pressure. When the coil (12) of the electro-valve receives an electric current, causing the plunger (10) to move, thus closing the discharge valve (2) and opening the water intake valve (9) allowing the water to pass towa
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FEATURES BUNN Espress™ Model ES•1A™ Chassis The chassis of the ES•1A™ is made of painted steel and the work tray is stainless steel. To reach the interior of the machine, proceed as follows: • Remove the cup heater tray (1) • Loosen the two screws (2) holding the side panel in place (2) • Remove the side panel (3) by lifting it up carefully. • By loosening the nut (4) that holds the control panel in position and by placing the front piece at a right angle, access to the interior of the control
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BUNN Espress™ Model ES•1A™ FEATURES 9 10 11 12 13 8 7 15 6 14 16 5 P-161 4 3 2 1 Component identification 1 .................. Hot water rinse outlet control lever 2 .................. Steam outlet control lever 3 .................. Hand grip-filter container for coffee 4 .................. Work tray 5 .................. Steam outlet tube 6 .................. Hot water rinse outlet tube 7 .................. Pressure gauge pump/steam 8 .................. Group head espresso extraction chamber 9 .
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FEATURES BUNN Espress™ Model ES•1A™ Warning alarm (visual only, not audible) on flow counter This alarm goes off when impulses from the flow meter are not registered by the central control unit, or when a period in excess of five seconds lapses between impulses from the flow meter . If the brewer is running (i.e. pilot lamp on continually), brewer function will stop and the lamp will begin to flash. Begin trouble shooting by checking the following: • Excessively fine grind of the coffee or exc
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BUNN Espress™ Model ES•1A™ FEATURES Central/Electronic unit This component analyzes and controls all information received from the buttons and volumetric counter, activating the different relays and thus causing the different electric valves and the electric pump to start functioning. The connections of the central unit, as shown on the diagrams, are divided into two parts. First of all, the connections that are marked with a zero plus a number correspond to the power feed and to the output. Th
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INSTALLATION BUNN Espress™ Model ES•1A™ Placement and installation Once the machine has been unpacked, it should be placed on a table or counter having sufficient space for easy access to water, electricity and drainage per the following specifications. • A water inlet pipe. • An electric plug with ground wire. • A drain pipe with minimum interior diameter of 35 mm. 2 4 1 3 P-160 1 .... Three-way or two-way plug with ground wire. 2 .... Pipe with a minimum internal diameter of 35mm (braided hose
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INITIAL SETUP/USE BUNN Espress™ Model ES•1A™ Filling 1. Make sure power switch is OFF and water is connected and turned ON before plugging in. NOTE - Plumbing must be connected to the brewer before proceeding. 2. Locate the ON/OFF switch knob. It is in the upper right corner of the front panel. 3. Rotate the knob to the "OFF" (farthest counterclockwise) position. 4. Plug-in the brewer. 5. Place the power switch in the “ON” position. “OFF” 6. Rotate the ON/OFF Switch knob to the
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PROGRAMMING BUNN Espress™ Model ES•1A™ volumes are slightly less. Should different volumes be required, refer to (Programming dosifications) Control panel This panel is composed of five buttons (A, B, C, D, and E) and a pilot lamp (F). The buttons A, B, C and D correspond to the selections of four possible dosifications. Button E is for continuous liquid dispensing; and the (F) is the pilot light. F P-162 A B C D E Programming dosifications To change the factory set dosages, set the Program/
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BUNN Espress™ Model ES•1A™ CLEANING Cleaning 1. The use of a damp cloth rinsed in any mild, nonabrasive, liquid detergent is recommended for cleaning all surfaces on Bunn-O-Matic equipment. 2. Clean the gasket that seals the filter & the group head, located under the group head. Ground coffee buildup on this gasket will result in a bad seal of the filter holder, and will leak brewed coffee onto the outside of the filter holder when brewing. This is why it is important to wipe excess coffee off o
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BUNN Espress™ TROUBLESHOOTING Model ES•1A™ A troubleshooting guide is provided to suggest probable causes and remedies for the most likely problems encountered. If the problem remains after exhausting the troubleshooting steps, contact the Bunn-O-Matic Technical Service Department at 1-800-637-8606. • Inspection, testing, and repair of electrical equipment should be performed only by qualified service personnel. • Solenoid removal requires interrupting the water supply to the valve. Damage may r
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BUNN Espress™ TROUBLESHOOTING Model ES•1A™ Problem Probable cause Remedy Brew cycle will not Solenoid valve Check voltage at terminals. If voltage is start (cont.) present when the dose switch is pressed, disconnect power supply, remove wires from coil terminals and check coil termi- nal continuity. If there is continuity re- place solenoid. Pump When start switch is pressed, pump should turn on immediately. If this dies not hap- pen, check voltage at terminal block on the pump. If correct vo
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SCHEMATIC-PLUMBING BUNN Espress™ Model ES•1A™ 12 11 10 5 8 6 7 9 4 3 2 1 1 ........ Electric pump 2 ........ Check valve 3 ........ Refill solenoid 4 ........ Flowmeter 5 ........ Steam valve 6 ........ Hot water rinse valve 7 ........ Liquid level probe 8 ........ Pressure relief valve 9 ........ Pressure switch 10 ...... Pressure gauge (Pump/Steam) 11 ...... Compensation valve (anti-siphon) 12 ...... Group head espresso extraction chamber 16
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SCHEMATIC-ELECTRICAL BUNN Espress™ Model ES•1A™ SCHEMATIC WIRING DIAGRAM ES•1A GREEN L1 N BLK WHI BLU BLK CONTROL SWITCH LOGIC TABLE ABCD E H CONTROL SWITCH A 1 A 1 A 1 • • • • • • 5 8 B 2 B 2 B 2 • • • • • • 1 234 C 3 C 3 C 3 • • • • • • D 4 D 4 D 4 • • • • • • E 5 E 5 E 5 • • • • • • H 8 H 8 H 8 • • • • • • LIMIT LIMIT PRESSURE THERMOSTAT THERMOSTAT TANK HEATERS BLU BLK BLK BLK BLK SW 1785 @ 120V TOTAL WATTS ELECTRONIC GROUP CONTROLLER BLU BLU BLU SOL BLK TAN BLU BLU REFILL TAN SOL TAN BLU P
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REPLACEMENT PARTS BUNN Espress™ Model ES•1A™ 7 891 10 11 12314 6 5 4 3 2 1 15 16 17 P-165 18 24 23 22 21 20 19 Figure Description Part Number Figure Description Part Number 1 ...... Drip tray guide (left) ........................ 23654.0000 13 .... Back panel ....................................... 23656.0000 2 ...... Pressure gauge ............................... 24210.0000 14 .... Side panel (right) ............................. 23668.0000 3 ...... Pressure gauge mounting bracket ... 24212.000
