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OPERATING & SERVICE MANUAL

BUNN-O-MATIC CORPORATION

POST OFFICE BOX 3227

SPRINGFIELD, ILLINOIS 62708-3227

PHONE: (217) 529-6601 FAX: (217) 529-6644

BUNN

Espress

ES•2C

™

Espresso Brewer

OFF

CAU

TIO

HOT

Liq

uid-Stea

m-S

urfa

ces

DISCONTINUED VERSION

The information in this manual

is no longer current.

Содержание ES.2C

Страница 1: ...NGFIELD ILLINOIS 62708 3227 PHONE 217 529 6601 FAX 217 529 6644 10837 0000C 6 96 1994 Bunn O Matic Corporation BUNNEspress ES 2C ES 2C Espresso Brewer OF F ON CL 2 CAUTIO N HO T Liqu id S team S urface s DISCONTINUED VERSION The information in this manual is no longer current ...

Страница 2: ...Bunn are not authorized to make modifications to this warranty or to make additional warranties that are binding on Bunn Accordingly statements by such individuals whether oral or written do not constitute warranties and should not be relied upon 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 Sp...

Страница 3: ...N Espress ES 2C 3 The notices on this brewer should be kept in good condition Replace unreadable or damaged labels 00656 0000 00831 0000 24246 0000 24247 0000 USER NOTICES CAUTION HOT Liquid Steam Surfaces ...

Страница 4: ...ized water should ever be used in this espresso brewer to reduce the service problems caused by naturally occuring elements in your local water supply A polyphosphate feeder is not recommended because it does not remove minerals NOTE Bunn O Matic recommends 3 8 copper tubing for no more than 25 feet from the 1 2 water supply line Bunn O Matic does not recommentd the use of a saddle valve to instal...

Страница 5: ...line will not provide an adequate ground INITIAL FILL HEAT CAUTION The brewer must be disconnected from the power source until specified Improper electrical installation will damage electronic components Plumbing must be connected to the brewer before proceeding 1 Watch the tank water level gage and push the tank boiler manual fill button Hold the button until the water level is visible in the sig...

Страница 6: ...nob 6 Espresso Group Head 7 Cup Warmer Tray 8 Steam Wand Control Knob 9 Power Indicator Lamp 10 Main Power Switch 11 Steam Wand 12 Drip Tray 13 Drip Tray Grate 14 Filter Holder 15 Program Switch 16 Group Control Panel A One Half Cup Selector B One Full Cup Selector C Two Half Cups Selector D Two Full Cups Selector E Continuous Flow Button F Brew Indicator ...

Страница 7: ...w setting in memory only for the selection in step 4 6 Repeat steps 2 5 for each amount selection you want to reset Those not reset will retain their old settings 7 Place the program switch in the Run left position NOTE The continuous flow button is not programmable PREINFUSION Preinfusion releases a small nonadjustable amount of water into the filter holder at the beginning of the brew cycle wett...

Страница 8: ...h selector button for the selection made in step 1 The continuous flow button may also be used 5 Brewing stops automatically when the predetermind amount of water has been used The flow may be stopped at any time by pressing one of the five dispensing buttons 6 Rinse the filter holder after each use HOT WATER STEAM CAUTION Water steam and wands are hot Be very careful Rotate the the steam or hot w...

Страница 9: ...r hand and spread it out some The particles should be small and for the most part uniform in size There should be almost no really large grains If the grind doesn t look right try adjusting the grinder The true test of the grind though is when you brew GROUND COFFEE STORAGE Do not store quantities of ground espresso coffee even overnight The use of freshly ground espresso coffee is always advisabl...

Страница 10: ...or each cleaning process 6 Remove the filter holder from the right group head 7 Rinse the right group head thoroughly by repeating step 4 a few times without a filter holder installed 8 Repeat steps 2 through 7 using the left group head 9 Remove the basket and filter support wire from the filter holder 10 Use a damp cloth rinsed in any mild non abrasive liquid detergent to wipe the inside and outs...

Страница 11: ...witch in the Run left position If the problem persists the alarm will flash every time a programmed button is pressed BOTH BREW INDICATORS FLASHING This alarm flashes when the boiler does not refill to the required level within 60 seconds All functions except continuous brew will stop and the lamps will begin to flash if brewing a programmed amount Check the following A Level probe and electrical ...

Страница 12: ...All electronic components have 208 240 volt ac and low voltage dc potential on their terminals Shorting of terminals or the application of external voltages may result in board failure Intermittent operation of electronic circuit boards is unlikely Board failure will normally be permanent If an intermittent condition is encountered the cause will likely be a loose connection at a terminal or crimp...

Страница 13: ...l continuity If there is continuity replace solenoid When start switch is pressed pump should turn on immediately If this does not happen check voltage at ter minal block on the pump If correct voltage is present use a flat blade screwdriver to turn the motor shaft on the rear end of the motor to see if the pump is locked If the shaft does not turn replace pump assembly Remove the solenoid valve a...

Страница 14: ...ely20secondsper half cup Weak coffee No crema Brewer does not reach oper atingpressureordoessovery slowly Coffee ground too coarse Coffee not fresh Too little coffee used Coffee not tamped into filter basket Check coffee grind Use fresh coffee Adjust amount to taste Use tamper to press coffee into basket ...

Страница 15: ...BUNN Espress ES 2C 15 TROUBLESHOOTING PROBLEM PROBABLE CAUSE REMEDY problem problem problem ...

Страница 16: ...NGER TUBE GROUP HEAD BREW CHAMBER VENT TO DRAIN PRESSURE RELIEF VALVE 25 PSI POP OFF SET TO 160 PSI HOT WATER HOT WATER GROUP SOLENOID 3 WAY STEAM 18 PSI TEMERATURE 250 F PRESSURE RELIEF VALVE CHECK VALVE TO HOT WATER FAUCET TO STEAM WAND TO DRAIN WATER TREATMENT 110 WS W a t e r C o n d i t i o n i n g S y s t e m s B U N N FILTER HOLDER GROUP HEAD BREW CHAMBER VENT TO DRAIN GROUP SOLENOID 3 WAY ...

Страница 17: ...PHASE 60 HZ L1 L2 ELECTRONIC CONTROLLER SOL GROUP SOL REFILL J8 1 PROGRAM SWITCH J9 1 J2 1 LIMIT THERMOSTAT TANK HEATER RIBBON CABLE J1 J3 1 J4 1 J5 1 J7 1 FLOW METER SOL GROUP FLOW METER CONTROL INDICATOR PANEL CONTROL INDICATOR PANEL PROBE PUMP REFILL IND POWER IND PRESSURE SWITCH K1 N O 1 2 3 4 5 6 7 8 COIL A1 A2 POWER SWITCH ...

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