Bunn BUNNESPRESS ES2C Operating & Service Manual
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Bunn BUNNESPRESS ES2C Operating & Service Manual

Bunn BUNNESPRESS ES2C Operating & Service Manual

Espresso brewer
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BUNNEspress
®
ES•2C
ES•2C
™
DISCONTINUED VERSION
The information in this manual
N
IO
U T
C A
c e
s
u r fa
-S
a m
-S te
u id
L iq
is no longer current.
2
C L
Espresso Brewer
OPERATING & SERVICE MANUAL
BUNN-O-MATIC CORPORATION
POST OFFICE BOX 3227
SPRINGFIELD, ILLINOIS 62708-3227
PHONE: (217) 529-6601 FAX: (217) 529-6644
10837.0000C 6/96 ©1994 Bunn-O-Matic Corporation

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Summary of Contents for Bunn BUNNESPRESS ES2C

  • Page 1 The information in this manual u r fa -S te u id L iq is no longer current. Espresso Brewer OPERATING & SERVICE MANUAL BUNN-O-MATIC CORPORATION POST OFFICE BOX 3227 SPRINGFIELD, ILLINOIS 62708-3227 PHONE: (217) 529-6601 FAX: (217) 529-6644 10837.0000C 6/96 ©1994 Bunn-O-Matic Corporation...

  • Page 2: Table Of Contents

    The Buyer shall give Bunn prompt notice of any claim to be made under this warranty by telephone at (217) 529- 6601 or by writing to Post Office Box 3227, Springfield, Illinois, 62708-3227. If requested by Bunn, the Buyer shall ship the defective equipment prepaid to an authorized Bunn service location.

  • Page 3: User Notices

    USER NOTICES BUNN Espress ES•2C ™ ® The notices on this brewer should be kept in good condition. Replace unreadable or damaged labels. 00656.0000 00831.0000 CAUTION Liquid-Steam-Surfaces 24246.0000 24247.0000...

  • Page 4: Site Requirements

    NOTE-Bunn-O-Matic recommends Bunn-O-Matic does not recommentd the use of a saddle valve to install the brewer. The size and shape of the hole made in the supply line by this type of device may restrict water flow.

  • Page 5: Initial Fill & Heat

    BUNN Espress ® PLUMBING Install the brewer as indicated below FROM WATER WATER STRAINER SUPPLY 24682.0000 Adaptor From Water Treatment ELECTRICAL CAUTION-The brewer must be disconnected from the power source until specified. Improper electrical installation will damage electronic components. 1. Using a voltmeter, check the voltage and color coding of each conductor at the electrical source.

  • Page 6: Operating Controls

    BUNN Espress ® OPERATING CONTROLS 1 ... Tank/Boiler Manual Fill Button 2 ... Pressure Gage 3 ... Hot Water Wand 4 ... Tank Water Level Gage 5 ... Hot Water Wand Control Knob 6 ... Espresso Group Head 7 ... Cup Warmer Tray 8 ...

  • Page 7: Adjustments

    BUNN Espress ® INFUSION The brewer leaves the factory set to yield these approximate amounts of water: One Half-Cup ... 50 cc. One Full-Cup ... 100 cc. To change the factory set amounts: 1. Place the program switch in the “Program” (right) position. The brew indicators may glow (see preinfusion section below).

  • Page 8: Espresso Brewing

    BUNN Espress ® ESPRESSO BREWING 1. Determine the batch size to be made. 2. Place the desired amount of espresso grind coffee in the appropriate filter holder (1 or 2 cups), shake it gently to level the bed, and using a tamper, compress the coffee.

  • Page 9: Brewing Tips

    BUNN Espress ® GENERAL Good espresso is identified by its taste, aroma, and the manner in which it is served. All of these elements can be improved-upon to serve your customers a better product. BEAN SELECTION The selection of a blend of coffee is a matter of personal choice. A blend with a high proportion of Central and/or South American beans results in a beverage with a soft and agreeable flavor.

  • Page 10: Exterior Cleaning

    ® FILTER HOLDER CLEANING Bunn-O-Matic recommends daily cleaning for your espresso brewer using the following steps: 1. Place the one-cup basket into the filter holder. 2. Put a teaspoon of any granular espresso cleaner or automatic dish washing detergent (such as Cascade into the basket.

  • Page 11: Alarms

    BUNN Espress ® ONE BREW INDICATOR FLASHING (EITHER SIDE) This alarm flashes when either flow meter has not sent impulses to the electronic control unit for more than five seconds. All functions will stop and the lamp will begin to flash if brewing a programmed amount. Check the following: A.

  • Page 12: Troubleshooting

    BUNN Espress ® 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 (800) 637-8606. • Inspection, testing, and repair of electrical equipment should be performed only by qualified service personnel.
  • Page 13 BUNN Espress ® PROBLEM PROBABLE CAUSE Will not brew when any of the Flowmeter batch buttons is pressed. (Continuous brew works as well as automatic refill.) Solenoid valve Pump Water is not hot or long re- Solenoid valve covery time.
  • Page 14 BUNN Espress ® PROBLEM PROBABLE CAUSE Short brew time(less than Coffee ground too coarse approximately 20 seconds per half-cup). Weak coffee. No Coffee not fresh crema. Too little coffee used Coffee not tamped into filter basket Brewer does not reach oper- ating pressure or does so very slowly.
  • Page 15 TROUBLESHOOTING BUNN Espress ES•2C ™ ® PROBLEM PROBABLE CAUSE REMEDY problem problem problem...

  • Page 16: Plumbing Diagram

    PLUMBING DIAGRAM BUNN Espress ES•2C ™ ®...

  • Page 17: Wiring Diagram

    ELECTRONIC PROGRAM SWITCH CONTROLLER J9-1 J8-1 J7-1 J6-1 J5-1 J4-1 J3-1 J2-1 (RIBBON CABLE) 10839.0000A 10/94 © 1994 BUNN-O-MATIC CORPORATION WIRING DIAGRAM ES•2C GREEN POWER IND GROUP GROUP REFILL PUMP F L O W METER REFILL IND F L O W...

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