Bunn A10 Automatic User Manual

A10 Automatic &  
A10A Automatic  
Supplement to A10 Use & Care  
Booklet #10070.0000  
INSTALLATION & OPERATION  
INTRODUCTION  
This equipment will automatically brew a 48 ounce batch of coffee into an awaiting decanter and has  
a pour-over feature for emergency use. It is only for indoor use on a sturdy counter or shelf.  
BUNN-O-MATIC COMMERCIAL PRODUCT WARRANTY  
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 equipment, component or part that was not manufactured by Bunn or that, in Bunn’s judgement, has been affected  
by misuse, neglect, alteration, improper installation or operation, improper maintenance or repair, damage or casualty.  
THE FOREGOING WARRANTY IS EXCLUSIVE AND IS IN LIEU OF ANY OTHER WARRANTY, WRITTEN OR ORAL, EXPRESS  
OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, ANY IMPLIED WARRANTY OF EITHER MERCHANTABILITY OR FITNESS FOR  
A PARTICULAR PURPOSE. The agents, dealers or employees of 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, Springfield, Illinois, 62708-3227. If requested by Bunn, the Buyer shall ship the defective  
equipment prepaid to an authorized Bunn service location. If Bunn determines, in its sole discretion, that the equipment does not  
conformtothewarranty,Bunnshallrepairtheequipmentwithnochargeforpartsduringtheoneyearwarrantyperiodandnocharge  
for labor by a Bunn Authorized Service Representative during the one year warranty period. If Bunn determines that repair is not  
feasible, Bunn shall, at its sole option, replace the equipment or refund the purchase price for the equipment.  
THE BUYER’S REMEDY AGAINST BUNN FOR THE BREACH OF ANY OBLIGATION ARISING OUT OF THE SALE OF THIS  
EQUIPMENT, WHETHER DERIVED FROM WARRANTY OR OTHERWISE, SHALL BE LIMITED, AS SPECIFIED HEREIN, TO REPAIR  
OR, AT BUNN’S SOLE OPTION, REPLACEMENT OR REFUND. Bunn shall not be liable for any other damage or loss, including,  
but not limited to, lost profits, lost sales, loss of use of equipment, claims of Buyer’s customers, cost of capital, cost of down time,  
cost of substitute equipment, facilities or services, or any other special, incidental or consequential damages.  
BUNN-O-MATIC CORPORATION  
POST OFFICE BOX 3227  
SPRINGFIELD, ILLINOIS 62708-3227  
TELEPHONE: (217) 529-6601 FAX: (217) 529-6644  
10613.0000C  
2/94 © 1993 BUNN-O-MATIC CORPORATION.  
ELECTRICAL REQUIREMENTS  
CAUTION - Do not plug-in the brewer until specified in Initial Set-Up.  
TheA10AutomaticBrewerhasanattachedcordsetandrequires2-wiregroundedservicerated120  
volts ac, 10 amp, single phase, 60 Hz.  
The A10A Automatic Brewer has an IEC 320 connector and matching cordset and requires 2-wire  
grounded service rated 230 volts ac, 10 amp, single phase, 50-60 Hz. The appropriate cordset connector  
must be supplied when installing the brewer.  
PLUMBING REQUIREMENTS  
This brewer must be connected to a cold water system with operating pressure between 20 and 90 psi  
from a 1/2" or larger supply line. A shut-off valve should be installed in the line before the brewer. Install a  
regulator in the line when pressure is greater than 90 psi to reduce it to 50 psi. The water inlet fitting is  
1
/
4" flare.  
NOTE – Bunn-O-Matic recommends 1/4" copper tubing for installations of less than 25 feet and3/8" for more  
than 25 feet from the 1/2" water supply line. At least 18 inches of an FDA approved flexible beverage  
tubing, such as reinforced braided polyethylene or silicone, before the brewer will facilitate movement  
to clean the countertop. It can be purchased direct from Bunn-O-Matic (part number 00326-0000).  
This equipment must be installed to comply with the Basic Plumbing Code of the  
Building Officials and Code Administrators International, Inc. (BOCA)  
and the Food Service Sanitation Manual of the Food and Drug Administration (FDA).  
Plumbing Hook-Up  
1. Attachtheflarefittingfromtheshortpieceoftubingontheflowcontrol(supplied)tothewaterinletfitting  
on the left rear side of the brewer.  
2. Flush the water line and securely attach it to the flare fitting on the strainer.  
3. Turn on the water supply.  
INITIAL SET-UP  
CAUTION – The brewer must be unplugged throughout the initial set-up, except when specified in the  
instructions.  
1. Insert an empty funnel into the funnel rails.  
2. Place an empty decanter under the funnel.  
3. Pour three pitchers of tap water into the screened area on top of the brewer. Allow approximately two  
minutes between pitchers for water to flow into the tank. While the third pitcher of water is entering the  
tank, the tank will fill to capacity and the excess will flow from the sprayhead, out of the funnel, and into  
the decanter.  
4. When the flow of water from the funnel stops, plug-in the brewer and place the heater switch on the  
left side of the brewer in the “ON” lower position. Wait approximately twenty minutes for the water in  
the tank to heat to the proper temperature. Some water will drip from the funnel during this time; this  
is due to expansion and should not occur thereafter.  
5. Empty the decanter, return it to the warmer, place the warmer switch in the “ON” (lighted) position, and  
momentarily press and release the start switch.  
6. Place the warmer switch in the “OFF” (unlighted) position after water has stopped flowing from the  
funnel, and let the water in the tank reheat to the proper temperature.  
7. Emptythedecanter, placethewarmerswitchintheON(lighted)position, andmomentarilypressand  
release the start switch. Check the water volume in the decanter after water has stopped flowing from  
the funnel. It should be 48 ounces.  
INITIAL SET-UP (CONT.)  
8. If not, locate the brew timer near the heater switch on the left side of the brewer, adjust the brew timer  
dial up-or-down as required and allow the water to reheat. Start, and measure another brew cycle.  
9. Repeat step 8 until 48oz water volume is achieved.  
10. The brewer is now ready for use in accordance with the coffee brewing instructions.  
OPERATING CONTROLS  
Warmer Switch  
Placing the switch in the unlighted position cuts power to the brew station warmer and stops brewing.  
Stopping a brew cycle after it has been started will not stop the flow of water into the funnel until the tank  
syphonsdowntoitsproperlevel. Placingtheswitchinthelightedpositionsuppliespowertothebrewstation  
warmer and enables the brew circuit.  
Start  
Momentarily pressing and releasing this switch starts a brew cycle when the warmer switch is in the  
lighted position.  
NOTE – The warmer switch must be in the lighted position to initiate and complete a brew cycle.  
Full/Half  
Placing this switch in the half position yields approximately 24 ounces.  
COFFEE BREWING  
1. Insert a BUNN® filter into the funnel.  
2. Pour the fresh coffee into the filter and level the bed of grounds by gently shaking.  
3. Slide the funnel into the funnel rails.  
4. Place an empty decanter under the funnel.  
5. Place the warmer switch in the lighted position. Momentarily press and release the start switch.  
6. When brewing is completed, simply discard the grounds and filter.  
CLEANING  
1. Theuseofadampclothrinsedinanymild, non-abrasive, liquiddetergentisrecommendedforcleaning  
all surfaces on Bunn-O-Matic equipment.  
2. Check and clean the sprayhead. The sprayhead holes must always remain open.  
3. With the sprayhead removed, insert the deliming spring (provided) all the way into the sprayhead tube.  
When inserted properly, no more than two inches of spring should be visible. Saw back and forth five  
or six times.  
NOTE – In hard water areas, this may need to be done daily. It will help prevent liming problems in the  
brewer and takes less than a minute.  
REPLACEMENT PARTS  
04060.0000 ........... BASE EXTRUSION  
04067.0001 ........... SWITCH, LIGHTED ON/OFF 120V (A10)  
04039.0000 ........... SWITCH, LIGHTED ON/OFF 240V (A10A)  
21274.0000 ........... SWITCH, START  
04786.0002 ........... SWITCH, VACATION  
05518.0000 ........... SYPHON HUB  
04174.0000 ........... TANK HEATER 1000W 240V (A10A)  
00943.0000 ........... TANK HEATER GASKET  
00942.0002 ........... TANK HEATER NUT  
04144.0000 ........... TANK HEATER, 1000W 120V (A10)  
01932.0000 ........... TANK KEEP WARM HEATER, 34W 240V (A10A)  
04100.0000 ........... TANK KEEP WARM HEATER, 40W 120V (A10)  
04142.0000 ........... TANK LID  
04040.0004 ........... BREW FUNNEL, BLACK  
04069.0003 ........... CONTROL THERMOSTAT ASSY.  
01716.0000 ........... CORD, POWER 250V 10 AMP, IEC320 (A10A)  
01637.0000 ........... CORDSET, 16/3HSJO NEMA 5-15P (A10)  
04123.0001 ........... COVER, TOP BLACK  
00658.0000 ........... DECAL, CAUTION DECANTER & FUNNEL  
21139.0002 ........... DECAL, FRONT END CAP  
00831.0000 ........... DECAL, WARNING ELECTRICAL  
01193.0000 ........... DELIMING SPRING  
04124.0001 ........... FLIP LID, BLACK  
01148.0001 ........... FLOW CONTROL & STRAINER ASSY, .222 GPM  
20526.0222 ........... FLOW WASHER, .222 GPM  
04002.1000 ........... FOOT  
04844.0000 ........... TANK LID GASKET  
00960.0001 ........... TANK LID INLET FITTING  
01540.0000 ........... TANK LID INLET FITTING WASHER  
01201.0000 ........... TANK LID INLET GASKET  
04167.0001 ........... THERMAL CUT OFF W/RED LEADS (A10A)  
21453.0000 ........... TIMER BOARD SHIELD  
02620.1042 ........... TIMER, 120V 3-BATCH (A10)  
02620.1043 ........... TIMER, 240V 3 BATCH (A10A)  
04065.0000 ........... TRUNK EXTRUSION, LEFT  
04064.0000 ........... TRUNK EXTRUSION, RIGHT  
04012.0007 ........... TRUNK REAR, BLK (A10)  
04012.0008 ........... TRUNK REAR, BLK (A10A)  
21214.0000 ........... TUBE ASSY, FILL BASIN  
21327.0001 ........... FRONT END CAP, BLK  
04063.0000 ........... HOOD EXTRUSION, LEFT  
04062.0000 ........... HOOD EXTRUSION, RIGHT  
04041.0003 ........... HOT WATER FUNNEL, BLACK  
04097.0002 ........... POUR-IN BASIN, BLACK AUTO  
01908.0000 ........... POWER CONNECTOR, IEC320 (A10A)  
04016.0001 ........... REAR END CAP, BLK  
01975.0000 ........... SOLENOID VALVE 240V (A10A)  
01085.0000 ........... SOLENOID VALVE, 120V (A10)  
01075.0000 ........... SPRAYEHAD FITTING NUT  
04011.0000 ........... SPRAYHEAD PANEL  
04045.0000 ........... SPRAYHEAD, 5 HOLE PLASTIC  
01082.0004 ........... SPRAYHEAD, 5 HOLE STAINLESS STEEL  
00707.0000 ........... STRAIN RELIEF BUSHING (A10)  
04052.0000 ........... SWITCH BRACE  
04095.0003 ........... WARMER ASSY W/LEADS, BLK 80W 230V (A10A)  
04095.0002 ........... WARMER ASSY W/LEADS, BLK 80W 120V (A10)  
04021.0002 ........... WARMER FRAME, BLACK  
04870.0000 ........... WATER PITCHER, 48 OZ  
21273.0000 ........... SWITCH, HALF BATCH  
SCHEMATIC WIRING DIAGRAM A10 AUTO  
GREEN  
L1  
N
SW. &  
LIMIT  
LIMIT  
THERMOSTAT  
SW1  
THERMOSTAT  
THERMOSTAT  
1000W  
TANK HEATER  
BLK  
BLU  
BLK  
WHI  
WHI  
WHI  
WHI  
40W  
WHI  
SW2  
"KEEP WARM" HEATER  
80W  
WHI  
BLK  
BLK  
LOWER WARMER  
SW3  
SOL  
HALF BATCH OPTION  
GRY  
BLK  
1
WHI  
SW4  
2
3
4
5
PNK  
ORA  
WHI/GRN  
YEL  
BREW  
TIMER  
TAN  
120 VOLTS AC 2 WIRE  
SINGLE PHASE  
SCHEMATIC WIRING DIAGRAM A10 A AUTO  
GRN/YEL  
L1  
L2  
SW. &  
LIMIT  
THERMOSTAT  
LIMIT  
THERMOSTAT  
SW1  
THERMOSTAT  
1000W  
TANK HEATER  
BLK  
BLU  
BLK  
RED  
40W  
WHI  
WHI  
RED  
RED  
SW2  
"KEEP WARM" HEATER  
80W  
RED  
BLK  
BLK  
LOWER WARMER  
SW3  
SOL  
HALF BATCH OPTION  
GRY  
BLK  
1
2
3
4
5
RED  
SW4  
PNK  
ORA  
WHI/GRN  
YEL  
BREW  
TIMER  
TAN  
230 VOLTS AC 2 WIRE  
SINGLE PHASE  

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