Bunn MCA Installation & Operating Manual Download Page 1

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INSTALLATION & OPERATING GUIDE

BUNN-O-MATIC CORPORATION

POST OFFICE BOX 3227

SPRINGFIELD, ILLINOIS 62708-3227

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

To ensure you have the latest revision of the Operating Manual, or to view the Illustrated Parts

Catalog, Programming Manual, or Service Manual, please visit the Bunn-O-Matic website, at

www.bunn.com. This is absolutely FREE, and the quickest way to obtain the latest catalog and
manual updates. For Technical Service, contact Bunn-O-Matic Corporation at 1-800-286-6070.

BUNN

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Summary of Contents for MCA

Page 1: ... of the Operating Manual or to view the Illustrated Parts Catalog Programming Manual or Service Manual please visit the Bunn O Matic website at www bunn com This is absolutely FREE and the quickest way to obtain the latest catalog and manual updates For Technical Service contact Bunn O Matic Corporation at 1 800 286 6070 52373 0000C 09 16 2015 Bunn O Matic Corporation BUNN refresh ...

Page 2: ...tements by such individuals whether oral or written do not constitute warranties and should not be relied upon If BUNN determines in its sole discretion that the equipment does not conform to the warranty BUNN at its exclusive op tion while the equipment is under warranty shall either 1 provide at no charge replacement parts and or labor during the applicable parts and labor warranty periods speci...

Page 3: ...al Set Up Electrical Requirements 4 CE Requirements 4 Plumbing Requirements 5 Plumbing Hookup 5 Carbon Dioxide Hookup 5 Filling the Water Bath 6 Purging the Water Lines 6 Changing Water Filter Cartridge Warning 7 Dispenser Use 7 Cleaning Preventative Maintenance 7 Electrical Wiring Schematic Diagram 8 Function Indicators 9 Plumbing Schematic Diagram 10 Coolant Schematic Diagram 11 Pictoral Install...

Page 4: ...nnected from the power source until specified in Electrical Hook Up The 120V rated dispensers have an attached cord set and require a 2 wire grounded individual branch circuit rated 120 volts ac 15 amp single phase 60Hz The mating connector must be a NEMA 5 15R Refer to the data plate for exact electrical requirements ELECTRICAL HOOK UP CAUTION Improper electrical installation will damage electron...

Page 5: ...not recommend the use of saddle valves to install the dispenser The size and shape of the hole s made in the supply line s by saddle valves may restrict water flow As directed in the International Plumbing Code of the International Code Council and the Food Code Manual of the Food and Drug Administration FDA this equipment must be installed with adequate backflow prevention to comply with federal ...

Page 6: ... that the water bath is full See Figure 5 Once the water bath is full flip the compressor switch to ON It will take several hours to create the ice bank required for full dispenser performance but there will be chilled water in one to two hours During this time some further trickling from the water bath into the drip tray is expected due to expansion caused by the ice bank formation Figure 5 PURGI...

Page 7: ... 500 gallons the blue LED will flash slowly to indicate that it is nearly time to replace the water filter cartridge When the water usage exceeds 4 500 gallons the blue LED will flash rapidly to indicate that it is time to replace the water filter cartridge Once the water filter cartridge has been replaced push and hold the water filter reset switch for 3 seconds to clear the warning CHANGING THE ...

Page 8: ... STILL WATER STOP PLUS LARGE MEDIUM SMALL STATIC SHIELD SPARKLING WATER STILL WATER SPARKLING WATER STOP PLUS LARGE MEDIUM SMALL DISPENSE STATIC SHIELD DISPENSE STATIC SHIELD BLU TAN ORG BLK BLK ORG DISPENSE SWITCH J12 1 J12 3 WHT BLU BLU START RUN COMPRESSOR ASSY LIMIT THERM COMPRESSOR MOTOR 3 PTC ASSY 4 5 6 2 1 N GRN J14 1 J14 2 Chassis Ground WATER PUMP PUMP RELAY K2 PUMP RELAY K3 WHT BLK BLK S...

Page 9: ...un under this condition Red Flashing 2 Indicates the bath temperature is below 34 F Green On 2 Indicates the compressor should be ON Green On 3 Circuit Board LED Indicators Function Description Blue Flashing The dispense Blue LED will flashing three times every three seconds Indicates a bath fill error The error occurs when the water bath fill does not fill within four minutes Dispense LED Indicat...

Page 10: ...OID WATER BATH PRODUCT COIL RECIRC CONDUIT RECIRC PUMP RECIRC LOOP RECIRC LOOP CO2 SUPPLY PRIMARY CO2 PRESSURE REGULATOR CO2 FITTING SECONDARY CO2 PRESSURE REGULATOR CO2 CHECK VALVE WATER CHECK VALVE CARBONATOR SPARKLING WATER FLOW VALVE SPARKLING WATER SOLENOID VALVE STILL WATER FLOW VALVE STILLWATER SOLENOID VALVE FLOW LAMINATOR NOZZLE EXTERNAL INTERNAL 52373 0 103015 ...

Page 11: ...11 COOLANT SCHEMATIC DIAGRAM 52373 0 103015 ...

Page 12: ...Plumbing Cold water with an operating pressure between 30 100 psig Minimum flow rate 3 0 fluid ounces per second Dispenser water connection is a 3 8 male flare adapter fitting with gasket Water Filter Water filter fittings are 3 8 hose barb to MPT Minimum 5 gallon purge before final connection to the dispenser Filter cartidge replaced every 4500 gallons or semi annualy Record install date CO2 Cyli...

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