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Bunn Espress ES-2A Operating & Service Manual

Manual is about: ESPRESSO/CAPPUCCINO COFFEE BREWERS

Summary of Espress ES-2A

  • Page 1

    Bunnespress ® operating & service manual bunn-o-matic corporation post office box 3227 springfield, illinois 62708-3227 phone: (217) 529-6601 fax: (217) 529-6644 22700.0000a 11/93 ©1993 bunn-o-matic corporation e s • 2 a e s • 2 a tm / e s • 2 s a / e s• 2sa tm espresso/cappuccino coffee brewers p-2...

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    1 bunn espress™ es•2a™/es•2sa™ index warranty .............................................................. 2 user notices........................................................ 3 features .......................................................... 4-5 installation plumbing ...........................

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    Bunn espress™ es•2a™/es•2sa™ 2 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 e...

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    3 bunn espress™ es•2a™/es•2sa™ user notices the notices on this brewer should be kept in good condition. Replace unreadable or damaged labels. 00831.0000 notice this “ manual fill valve” is to be used during installation only! Watch the sight gage during use and do not fill past normal line! 24245.0...

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    Bunn espress™ es•2a™/es•2sa™ 4 hot water rinse dispensing tube and steam dispensing tube the es•2a™ es•2sa™are equipped with a hot water rinse dispensing tube and two steam dispensing tubes. The hot water rinse dispensing tube is controlled by a knob centrally located on the front of the brewer. The...

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    5 bunn espress™ es•2a™/es•2sa™ features important: none of the high pressure pumps found on the market can operate without water for a period of more than approximately one minute, after one minute of dry operation the pump will seize and become unserviceable. Should water be shut off disconnect pum...

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    Bunn espress™ es•2a™/es•2sa™ 6 plumbing plumbing requirements this brewer must be connected to a cold water system with an operating pressure between 20 and 90 psi. A shut-off valve should be installed before the pump. Install a pressure regulator in the line when the pressure is greater than 90 psi...

  • Page 9: Bunn

    7 bunn espress™ es•2a™/es•2sa™ electrical specifications this brewer requires a 2-wire grounded service rated 208 to 240 volts ac, 20 amp, single phase, 60 hz. Electrical hookup caution: improper installation will damage electronic components. 1. An electrician must provide electrical service as spe...

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    Bunn espress™ es•2a™/es•2sa™ 8 start-up retighten the tank cover bolts, nuts, flat section strips, tank heaters, and the individual tank section lids (at upper part of the tank). Fill the tank with water to the optimum water level zone (n) using the water feed tap. In the models with and electronic ...

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    9 bunn espress™ es•2a™/es•2sa™ push-button set (automatics only) this set is made up of five push-buttons (a,b,c,d, and e) and one pilot light (f). The a, b, c, and d push-buttons are used to select the four possible water dosed and the e push-button is for continuous infusion injection. The f pilot...

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    Bunn espress™ es•2a™/es•2sa™ 10 brewing coffee extraction 1. Place ground coffee in the filter holder, shake it level, and compress the bed of coffee with the tamper on the grinder. 2. Clean the edge of the filter holder with the palm of the hand before locking it on to the set. This will prevent an...

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    11 bunn espress™ es•2a™/es•2sa™ 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. A cleaning cycle must be ran nightly. To do this: a) insert solid filter basket into filter holder. B)...

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    Bunn espress™ es•2a™/es•2sa™ 12 troubleshooting 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-...

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    13 bunn espress™ es•2a™/es•2sa™ troubleshooting probable cause pump start switch limit thermostat tank heaters remedy when starting switch is pressed, pump should turn on immediately. If this dies not happen, check voltage at terminal block on the pump.. If correct voltage is present, use a flat-bla...

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    Bunn espress™ es•2a™/es•2sa™ 14 board replacement push-button board connections all the set push-button boards are the same and are to be coded only according to the place they occupy with respect to the infusion units. The numbering order of the infusion units (lst, 2nd, 3rd and 4th), always counte...

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    15 bunn espress™ es•2a™/es•2sa™.

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    Bunn espress™ es•2a™/es•2sa™ 16 1 23 4 6 5 7 13 14 15 16 17 18 19 20 27 28 26 12 11 10 9 8 p-225 21 22 25 24 23 replacement parts.

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    17 bunn espress™ es•2a™/es•2sa™ figure description part number 1 .................. Vented top panel (hood) ......................... 22795.0000 2 .................. Top cup warmer panel ............................ 22319.0001 3 .................. Divider panel .........................................

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    Bunn espress™ es•2a™/es•2sa™ 18 24 9 12 13 14 15 16 17 18 19 20 21 22 23 26 28 p-235 5 4 29 30 7 6 5 4 3 1 2 10 8 11 27 25 replacement parts replacement parts.

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    19 bunn espress™ es•2a™/es•2sa™ figure description part number 1 .................. Inlet water fitting ..................................... 22849.0000 2 .................. Brew water inlet tube .............................. 22614.0000 3 .................. Heat exchanger bulkhead ....................

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    Bunn espress™ es•2a™/es•2sa™ 20 figure description part number 1 .................. Solenoid mounting screws ...................... 24005.0400 2 .................. Solenoid assembly .................................. 22712.0000 3 .................. Group head end plug .............................. ...

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    21 bunn espress™ es•2a™/es•2sa™ figure description part number 1 .................... Tank drain screw .......................................... 24006.0400 2 .................... Tank drain screw gasket .............................. 22836.0000 3 .................... Lower sight gauge elbow ..........

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    Bunn espress™ es•2a™/es•2sa™ 22 2 3 4 5 1 7 6 15 14 13 12 11 10 9 8 22 21 20 16 17 18 19 23 26 28 27 29 34 33 30 31 32 24/25 complete valve assy.– part # 22685.0000 p-240 replacement parts.

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    23 bunn espress™ es•2a™/es•2sa™ figure description part number 1 .................. Actuator shaft - steam valve .................... 22684.0000 2 .................. Steam valve collar nut ............................. 22824.0000 3 .................. Insert washer ......................................

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    Bunn espress™ es•2a™/es•2sa™ 24 replacement parts 1 2 2 3 4 4 5 6 14 13 12 11 10 8 7 9 15 16 19 20 18 17 21 22 23 25 24 26 27 28 29 30 31 32 30 complete valve assy.– (items 1-14) part # 22637.0000 complete assy.– part # 22658.0000 p-239.

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    25 bunn espress™ es•2a™/es•2sa™ figure description part number 1 .................. Hex nut – plunger shaft ........................... 22863.0000 2 .................. Black thrush washer ................................ 22624.0000 3 .................. Faucet valve detent pins .........................

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    Bunn espress™ es•2a™/es•2sa™ 26 2 3 4 5 11 1 9 8 7 6 12 13 14 15 17 10 16 p-238 replacement parts.

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    27 bunn espress™ es•2a™/es•2sa™ figure description part number 1 .................. Dispense nozzle - 2 cup ......................... 22802.0000 2 .................. Nozzle seal washer ................................. 22803.0000 3 .................. Filter holder ......................................

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    Bunn espress™ es•2a™/es•2sa™ 28 38 p-237 27 28 37 39 19 22 21 20 23 30 31 34 33 32 11 12 13 14 2 3 4 5 1 15 16 17 9 7 8 10 18 6 24 25 26 29 35 36 replacement parts.

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    29 bunn espress™ es•2a™/es•2sa™ figure description part number 1 .................. Pressure switch - heater control .............. 22574.0000 2 .................. Pressure gauge mounting bracket ............ 22645.0000 3 .................. Front hood face plate - 2 group ............... 22796.0000 ...

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    Bunn espress™ es•2a™/es•2sa™ 30 figure description part number 1 .................. Red push button on/off switch ................. 22687.0000 2 .................. Brew indicator light ................................ 22689.0000 3 .................. Switch/lamp mounting bracket screw ...... 24005.02...

  • Page 33: Bunn

    31 bunn espress™ es•2a™/es•2sa™ replacement parts not illustrated figure description part number 1 .......... Water strainer 3 ⁄ 8 ” x 3 ⁄ 8 ” mflrd ............................................... 01245.0000 2 .......... Cordset ..........................................................................

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    Bunn espress™ es•2a™/es•2sa™ 32 p-243 schematic es•2sa.

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    33 bunn espress™ es•2a™/es•2sa™ p-244 schematic es•2a.