Bunn Espress ES-2A Operating & Service Manual Download Page 1

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BUNN

Espress

OPERATING & SERVICE MANUAL

BUNN-O-MATIC CORPORATION

POST OFFICE BOX 3227

SPRINGFIELD, ILLINOIS 62708-3227

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

E S • 2 A

/ E S • 2 S A

/ E S• 2SA

ESPRESSO/CAPPUCCINO

COFFEE BREWERS

P-244/P-245

DISCONTINUED VERSION

The information in this manual

is no longer current.

Summary of Contents for Espress ES-2A

Page 1: ...X 3227 SPRINGFIELD ILLINOIS 62708 3227 PHONE 217 529 6601 FAX 217 529 6644 22700 0000A 11 93 1993 Bunn O Matic Corporation ES 2A E S 2A TM ES 2SA E S 2SA TM ESPRESSO CAPPUCCINO COFFEE BREWERS P 244 P...

Page 2: ......

Page 3: ...Notices 3 Features 4 5 Installation Plumbing 6 Electrical Requirments and Hook up 7 Initial Setup 8 Programming 9 Brewing Procedures 10 Cleaning 11 Trouble Shooting 12 13 Push button Board Repacement...

Page 4: ...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...

Page 5: ...rators International Inc BOCA and the Food Service Sanitation Manual of the Food and Drug Administration FDA Fill water tank before turning on thermostat or connecting appliance to power source Do not...

Page 6: ...ge should be checked to make sure it is the correct pressure A pressure drop of 0 1 to 0 2 bar is considered normal If there is an abnormal amount of air in the tank a very quick pressure drop will be...

Page 7: ...r to pass towards the shower 4 through the sprayer 3 This is when the brewing process infusion begins The bubbling effect is produced by an interchange between air contained in a bubble formed in the...

Page 8: ...tion FDA PLUMBING HOOK UP 1 Flush the water line and securely attach it to the 3 8 flare fitting on the inlet side of the pump 2 Connect one end of the braided hose supplied to the outlet side of the...

Page 9: ...ectrical source 3 The plug for the brewer is to be supplied by the installer 4 Attach the plug to the brewer cordset as shown below 5 Attach wires from pump cordset to terminal block located on pump m...

Page 10: ...When the tank and the pump pipes are filled press the continuous doses push button on each set and the pumping unit will immediately start injecting water into the corresponding tank section and tube...

Page 11: ...flashing Once the desired amount of coffee is achieved press any of the dosage push buttons to save the new setting in memory Return the Run Program switch lever to the Run left position NOTES 1 This...

Page 12: ...owing approximate amounts One short coffee 50 cc of water One normal coffee 100 cc of water Two short coffees 100 cc of water Two normal coffees 200 cc of water It should be noted that these doses hav...

Page 13: ...gasket that seals the filter and the group head located under the group head Ground coffee build up on the gasket will result in a bad seal of the filter holder and will leak while brewing This is why...

Page 14: ...m the power source when servicing except when specified Follow recommended service procedures Replace all protective shields and safety notices Problem Equipment will not operate Brew cycle will not s...

Page 15: ...lumetric meter connections Unit electrovalve Unit electrovalve connections Operation of volumetric meter Possible pump malfunction To cancel the alarm just press any push button on the infusion unit p...

Page 16: ...cing the machine and from left to right Location of the jumper when placing the push button board on unit No 1 Location of the jumper when placing the push button board on unit No 2 Location of the ju...

Page 17: ...15 BUNN Espress ES 2A ES 2SA...

Page 18: ...BUNN Espress ES 2A ES 2SA 16 1 2 3 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...

Page 19: ...torpiece 22792 0000 12 Sidepanel right 22790 0000 13 Machineframechassis 22764 0000 14 Chrome front panel 22879 0000 15 Inletassy mountingbracket 22841 0000 16 Dischargetube 22661 0000 17 Drain cup mo...

Page 20: ...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...

Page 21: ...22850 0000 14 2 way steam fitting 22827 0000 15 Copper O ring seal 22867 0000 16 Tank end water steam fittings 22817 0000 17 Tank boiler 22826 0000 18 Compressionnut 22815 0000 19 Tank heater 1300W 2...

Page 22: ...Sprayheadmountingscrews 24007 0300 9 Sprayheadscreen 22708 0000 10 Sprayheadscreenmountingscrew 24006 0000 11 Group head mounting stud nut 24048 0100 12 Group head mounting stud washer 24028 0100 13...

Page 23: ...0 6 Sight gauge glass compression nut 22618 0000 7 Sight gauge housing 22620 0000 8 Sight gauge glass 22619 0000 9 Upper sight gauge elbow 22643 0000 10 Probe assy hex fitting 22629 0000 11 Terminal b...

Page 24: ...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 Completevalveassy Part 22685 0000 P 240 REPLACEMENT PARTS...

Page 25: ...alve 22606 0000 14 Plungershaft 22823 0000 15 Valve body steam valve 22611 0000 16 Cam mounting screw 24006 0000 17 Actuator cam 22682 0000 18 Shaft steamvalveactuator 22681 0000 19 Housing actuator s...

Page 26: ...ss 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 Completevalveassy items1 14 Part 22637 0000 Completeassy Part 22658 0...

Page 27: ...0000 14 Bearing 22623 0000 15 Label water inlet 22777 0000 15 Label hot water 22778 0000 16 Knob steam hot water water inlet 22694 0000 17 Knobsetscrew 24003 0500 18 Valve mounting nut 22865 0000 19 H...

Page 28: ...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...

Page 29: ...0000 8 Lock washer handle 24028 0100 9 Screw handle 24008 0400 Complete filter holder assy 2 cup 22706 0000 10 Dispense nozzle 1cup 22705 0000 11 Filter 1 cup 22709 0000 Complete filter holder assy 1...

Page 30: ...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...

Page 31: ...8 Inlet fitting flow meter 22771 0000 19 Refill solenoid end fitting outlet 22762 0000 20 Refill solenoid complete 22646 0000 21 Endfittingsealwasher 22872 0000 22 Refill solenoid end fitting inlet 22...

Page 32: ...w 24005 0200 4 Switch lamp mounting bracket 22880 0000 5 Brew on off switch 22688 0000 6 Front hood panel 2 group 22881 0000 7 Bezel group on off indicator 22686 0000 8 Control module 22882 0000 9 Soc...

Page 33: ...o refill solenoid 22656 0000 17 Tube water inlet valve to heat exchange 22660 0000 18 Tube water inlet press relief drain 22661 0000 19 Tube refill solenoid to tank 22663 0000 20 Tube water inlet valv...

Page 34: ...BUNN Espress ES 2A ES 2SA 32 P 243 SCHEMATIC ES 2SA...

Page 35: ...33 BUNN Espress ES 2A ES 2SA P 244 SCHEMATIC ES 2A...

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