Bunn BREWWISE Dual TF DBC User Manual

4.25 Mb

DUALTF DBC

WITH SMART FUNNEL®

S/N DUAL068000 & UP

INSTALLATION & OPERATING MANUAL

BUNN-O-MATIC CORPORATION

POST OFFICE BOX 3227

SPRINGFIELD, ILLINOIS 62708-3227

PHONE: (217) 529-6601

FAX: (217) 529-6644

35058.0001A 07/05 ©2005 Bunn-O-Matic Corporation

www.bunnomatic.com

BUNN-O-MATIC COMMERCIAL PRODUCT WARRANTY

Bunn-O-Matic Corp. (“BUNN”) warrants equipment manufactured by it as follows:

1)All equipment other than as specified below: 2 years parts and 1 year labor.

2)Electronic circuit and/or control boards: parts and labor for 3 years.

3)Compressors on refrigeration equipment: 5 years parts and 1 year labor.

4)Grinding burrs on coffee grinding equipment to grind coffee to meet original factory screen sieve analysis: parts and labor for 3 years or 30,000 pounds of coffee, whichever comes first.

These warranty periods run from the date of installation BUNN warrants that the equipment manufactured by it will be commercially free of defects in material and workmanship existing at the time of manufacture and appearing within the applicable warranty period. This warranty does not apply to any equipment, component or part that was not manufactured by BUNN or that, in BUNN’s judgment, has been affected by misuse, neglect, alteration, improper installation or operation, improper maintenance or repair, damage or casualty. This warranty is conditioned on the Buyer 1) giving 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; 2) if requested by BUNN, shipping the defective equipment prepaid to an authorized BUNN service location; and 3) receiving prior authorization from BUNN that the defective equipment is under warranty.

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.

If BUNN determines in its sole discretion that the equipment does not conform to the warranty, BUNN, at its exclusive option 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 specified above) to repair the defective components, provided that this repair is done by a BUNN Authorized Service Representative; or 2) shall 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, AT BUNN’S SOLE OPTION AS SPECIFIED HEREIN, TO REPAIR, REPLACEMENT OR REFUND.

In no event shall BUNN 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, DUAL, SH, BrewWise, SMART FUNNEL, Pulse Brew, DBC are either trademarks or registered trademarks of Bunn-O-Matic® Corporation.

INTRODUCTION

The brewer incorporates a wireless interface system that allows the DBC Grinder to load certain information into the "programming chip" located inside the handle of the funnel. This information includes what flavor of coffee is being ground and what batch size will be brewed (small, medium, or large). Once the correct flavor name and amount of coffee is ground, the funnel is loaded into the brewer. The information from the funnel handle is then transferred into the brewer. The brewer then takes this information and dispenses the amount of water preset in the brewer for that particular flavor of coffee and batch size. The brewer can also be programmed to adjust different functions of the brewing process, such as brew temperature, brew volumes, bypass percentages, pulse brew, etc. This allows the operator to program a certain "recipe" for each coffee flavor to be brewed.

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TABLE OF CONTENTS

 

User Notices ...............................................................................................................................

4

Electrical .....................................................................................................................................

5

Plumbing Requirements .............................................................................................................

7

Operating Controls......................................................................................................................

8

Initial Setup.................................................................................................................................

9

Coffee Brewing............................................................................................................................

9

Cleaning ....................................................................................................................................

10

Glossary....................................................................................................................................

11

PROGRAMMING ......................................................................................................................

12

Programming Switches.............................................................................................................

12

Programming the Brewer..........................................................................................................

13

PROGRAM FUNCTIONS (LEVEL 1) Brew Lockout ...................................................................

13

PROGRAM FUNCTIONS (LEVEL 2) ...........................................................................................

14

PROGRAM FUNCTIONS (FLOW)..................................................................................................

15

Set Units (Setting units of measure) .......................................................................................

18

Set New Recipe (using a Smart Funnel and G92T DBC or MHG Grinder) ..............................

19

Set Brew Volumes............................................................................................................

19

Set By-Pass Percentages .................................................................................................

20

Set Pulse Brew and Drip Times........................................................................................

20

Set New Recipe (using a Recipe Card) ................................................................................

21

Set New Recipe (no Smart Funnel nor G9-2T DBC Grinder) ................................................

22

Review Recipes/Modify Recipes/Set up No Name Coffee ...................................................

23

Set Brew Volumes............................................................................................................

24

Set Bypass Percentages...................................................................................................

25

Set Pulse Brew Times ......................................................................................................

26

Easy Pulse.................................................................................................................

28

Enter Times...............................................................................................................

29

Set Preinfusion Times ......................................................................................................

30

Set Drip Times .................................................................................................................

31

Assign Recipes......................................................................................................................

32

Copy Settings ........................................................................................................................

32

Enable Ads ............................................................................................................................

33

Set Temp (Brewing Temperature) ..........................................................................................

33

Set Ready (Ready Temperature)............................................................................................

34

Refill (Adjust Sensitivity) .......................................................................................................

34

Spray Oz/M (Read sprayhead flow rate) ................................................................................

34

Bypass Oz/M (Read bypass flow rate) ...................................................................................

35

Calibrate Flow.......................................................................................................................

35

Calibrate Sprayhead Flow.................................................................................................

35

Calibrate Bypass Flow ......................................................................................................

36

Brew Counters (View/Reset)..................................................................................................

37

Funnel Detect ........................................................................................................................

38

Service Tools.........................................................................................................................

38

Test Outputs (Components) .............................................................................................

39

Test Switches ...................................................................................................................

39

Test Frequency ................................................................................................................

40

Factory Defaults (Reset) .......................................................................................................

40

Troubleshooting ........................................................................................................................

41

Schematic (Wiring Diagram).....................................................................................................

52

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Page 4

12589USER00831l000000658l000020201l560065670000NOTICES2222 The notices on this brewer should be kept in good condition. Replace unreadable or damaged labels.

ELECTRICAL REQUIREMENTS (Models with power cord)

WARNING - The brewer must be disconnected from the power source until specified in Initial Set-Up.

Refer to Data Plate on the Brewer, and local/national electrical codes to determine circuit requirements.

L2 RED

L2 RED

 

L2

WHITE

WHITE

NEUTRAL

N

NEUTRAL

L1 BLACK

L1 BLACK

 

L1

GREEN

GREEN G

120/208 and 120/240 volt ac single phase, 60 Hz models

Note: This electrical service consists of 3 current carrying conductors (Neutral, L1 and L2) and a separate conductor for earth ground.

ELECTRICAL HOOK-UP

WARNING – If the power cord is ever damaged, it must be replaced by the manufacturer or authorized service personel with a special cord available from the manufacturer or its authorized service personel in order to avoid a hazard. Improper electrical installation will damage electronic components. Damage caused by incorrect electrical connections is not covered by warranty.

1.An electrician must provide electrical service.

2.Using a voltmeter, check the voltage and color coding of each conductor at the electrical source.

NOTE - The brewer is shipped without a plug on the power cord. Qualified service personnel must select and install the proper UL listed grounding type attachment plug specified on the rear of the brewer.

3.Install the specified plug on the attached power cord.

4.Remove the front panel beneath the sprayheads to gain access to the terminal block.

5.Connect the brewer to the power source and verify the voltage at the terminal block before proceeding.

6.If plumbing is to be hooked up later be sure the brewer is disconnected from the power source. If plumbing has been hooked up, the brewer is ready for Initial Set-Up.

WARNING – Electrical connections must be made as specified above. Failure to follow these instructions can result in personal injury, property or equipment damage.

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ELECTRICAL REQUIREMENTS (Models without power cord)

WARNING - The brewer must be disconnected from the power source until specified in Initial Set-Up.

Refer to Data Plate on the Brewer, and local/national electrical codes to determine circuit requirements.

 

 

7()4%

 

 

200 or

.%542!,

 

 

, ",!#+

 

L1 BLACK

230V

 

L2 RED

 

, 2%$

 

GREEN

GREEN

, ",5%

 

 

 

 

 

'2%%.

'2%%.

200 and 230 volt ac single phase, 60 Hz models

Note: This electrical service consists of 2 current carrying conductors (L1 and L2) and a separate conductor for earth ground.

120/208 and 120/240 volt ac three phase, 50 Hz models

Note: This electrical service consists of 4 current carrying conductors (Neutral, L1, L2 and L3) and a separate conductor for earth ground.

SYSTEM

 

 

VOLTAGE

V1

V2

208

208

120

240

240

120

L1, L2, L3, are the 3 phases

V1 = Phase to phase voltage, between any 2 phases.

V2 = Phase to neutral voltage, L1 to neutral must be 120V.

CAUTION: Do not connect L1 to a circuit operating at more than 150 volts to ground.

ELECTRICAL HOOK-UP

CAUTION – Improper electrical installation will damage electronic components. Damage caused by incorrect electrical connections is not covered by warranty.

1.An electrician must provide electrical service as specified.

2.Using a voltmeter, check the voltage and color coding of each conductor at the electrical source.

3.Remove the front panel beneath the sprayheads to gain access to the terminal block.

4.Feed the cord through the strain relief and connect it to the terminal block.

5.Connect the brewer to the power source and verify the voltage at the terminal block before proceeding. Replace the front panel.

6.If plumbing is to be hooked up later be sure the brewer is disconnected from the power source. If plumbing has been hooked up, the brewer is ready for Initial Set-Up.

WARNING – Electrical connections must be made as specified above. Failure to follow these instructions can result in personal injury, property or equipment damage.

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PLUMBING REQUIREMENTS

This brewer must be connected to a cold water system with operating pressure between 20 and 90 psi (138 and 620 kPa) from a 12" 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 (620 kPa) to reduce it to 50 psi (345 kPa). The water inlet fitting is 38" flare or female quick connect.

NOTE – Bunn-O-Matic recommends 38" copper tubing for all installations from the 12" water supply line. A tight coil of copper tubing in the water line will facilitate moving the brewer to clean the counter top. Bunn-O-Matic does not recommend the use of a saddle valve to install the brewer. The size and shape of the hole made in the supply line by this type of device may restrict water flow.

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.Flush the water line and securely attach it to the flare fitting located on bottom of brewer.

2.Turn on the water supply.

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OPERATING CONTROLS

h e

d

a

a

g

c

b

b

c

g

 

 

 

f

 

 

OPERATING CONTROLS

(a) BATCH SELECTOR SWITCHES

Pressing the switch corresponding to the Small, Medium, or Large batch selects the amount of coffee to be brewed. Pressing a different switch after a brew cycle has been initiated does not change the brew batch in progress. Light indicates the selected batch to brew.

(b) ON/OFF SWITCH

Pressing the ON/OFF switch alternately turns the brewing side on and off. Pressing this switch during the brew cycle will interrupt the brew cycle, stopping the flow of water. Pressing this switch during the programming of the brewer will exit the setup and return to the main screen.

(c) BREW SWITCH

Momentarily pressing and releasing this switch begins a brew cycle.

(d) ® SWITCH

Pressing and holding the ® switch allows entry to the programming menus. Pressing and releasing the switch steps through each function screen during programming.

(e) FUNCTION SCREEN

This is the display which shows the various functions of the brewer and allows the programming to be accomplished.

(f) FUNCTION SCREEN SWITCHES

These are the hidden switches which are used to program the brewer.

(g) FUNNEL SENSING COILS

These are used to "receive" information from the Smart Funnel handle (coffee name and batch size), and also from RECIPE CARDS.

(h) SCROLL BACKWARDS

The upper left corner of the B in BUNN can be used to scroll backwards through the function list.

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INITIAL SETUP

CAUTION – The brewer must be disconnected from the power source throughout the initial setup, except when specified in the instructions.

1.Insert an empty funnel into the funnel rails of one of the brew stations.

2.Place an empty server under the funnel.

3.Connect the brewer to the power source. Water will begin flowing into the tank and stop when the tank is filled to its capacity. Display will show PLEASE WAIT...TANK FILLING until tank is filled with water.

4.Wait approximately twenty minutes for the water in the tank to heat to the proper temperature. Display will show READY TO BREW...WATER TEMP: XXX˚ when tank is at operating temperature.

5.Place a small vessel beneath the faucet and open the faucet handle. Release it when you hear the tank refilling.

6.Water volumes have been preset at the factory. Refer to adjustments for the Set Brew Volumes section of this manual should the volume need to be increased or decreased.

7.The brewer is now ready for use in accordance with the coffee brewing instructions.

COFFEE BREWING

1.Insert a BUNN filter into the Smart Funnel.

2.If a grinder is not used to obtain the coffee grounds, pour the proper amount of fresh coffee grounds into the funnel and level by gently shaking. Slide the funnel into the funnel rails and select batch size. Proceed to step 5.

3.If a G9-2T DBC or MHG grinder is used with a compatible Smart Funnel, select the desired batch size on the grinder. Grind the selected amount of fresh coffee into funnel and level grounds by gently shaking. It is not necessary to select a size on the brewer.

4.Slide the funnel into the funnel rails. The brewer will read the size ground through the chip in the funnel handle and will automatically select the correct size to brew.

5.Place an empty server under the funnel.

6The ON/OFF switch must be ON. Momentarily press and release the BREW switch. If the brewer has the funnel lock option and if it is activated, once a brew cycle has been started the funnel is locked in place. There may be certain situations in which the brew cycle will not begin when brew switch is pressed:

a)ON/OFF must be ON.

b)BREW TEMPERATURE TOO LOW - wait until heated or cancel BREW LOCKOUT option.

c)FUNNEL NOT IN PLACE (or using a standard brew funnel) - cancel FUNNEL DETECT.

d)CHECK FUNNEL - remove funnel, empty previously brewed grounds and grind a new batch into the fun-

nel.

7.If none of the above messages are displayed, the display will read NOW BREWING and the time remaining in the brew cycle. Arrows will point to the side which is brewing. If both sides are brewing simultaneously, the arrows will alternate from left to right on the display.

8.Following the BREW will be a countdown of DRIPPING time which shows the time remaining until the funnel lock will release. Discard the grounds and filter only after visible dripping stops.

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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. Do NOT clean this equipment with a water jet device.

2.Check and clean each sprayhead. The sprayhead holes must always remain open.

NOTE: Any buildup on the sprayhead and fitting may restrict water flow, and impact your coffee brewing. For consistently great coffee, clean sprayheads and fittings weekly with sprayhead cleaning tool (#38227.0000). Upon visual inspection it may appear that light passes through all holes in the sprayhead plate, but a thin film of residue can pass light and still impede water flow.

3.Insert the long end of sprayhead cleaning tool into the sprayhead fittings, and rotate several times to remove any mineral deposits from the fitting.

4.Insert the short end of sprayhead cleaning tool into the bypass fittings, and rotate several times to remove any mineral deposits from the fitting.

5.Remove sprayheads from brewer. Disassemble by removing the seal.

6.Use the pointed end of sprayhead cleaning tool to remove any mineral deposits from the sprayhead holes.

7.Reassemble sprayheads and reattach. Sprayheads only needs to be hand tightened.

See page 35 of instruction manual for calibration routine to verify sprayhead flow rate matches programmed flow rate. Machine may need to be re-calibrated due to lime build up. If machine is cleaned and build up removed, machine must be re-calibrated to achieve desired volumes.

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GLOSSARY

AD CARD: An assembly consisting of computer chips and an instruction label. Used for loading advertising messages into the brewer.

BREW LOCKOUT: The inability to initiate a brew if the water temperature is less than the ready temperature programmed into the brewer.

BYPASS: The process of diverting a portion of the brew water to the outside of the paper filter so that it does not pass through the coffee grounds. This process is sometimes used to optimize the flavor of the finished brew.

CHIP: A computer chip containing either recipes for specific coffee flavors or advertising messages which are read by the sensing coils on the brewer. One chip is embedded in each Smart Funnel® handle to carry the coffee flavor name and batch size ground from the grinder to the brewer.

DRIP TIME: The length of time from when the water spray over the grounds ends, to the time that no water drips from the funnel tip.

FACTORY DEFAULTS: The factory preset brew settings that were installed into the brewer's memory.

FIRST ON-TIME: During a pulse brew, this is the time set for the initial flow of water over the grounds.

FUNNEL DETECT: Sets the inability to initiate a brew cycle if the funnel is not properly inserted into the funnel rails.

FUNNEL SENSING COIL: A sensor on the front hood of the brewer, which reads what name and batch size of coffee was ground into the funnel and allows for the brewer to automatically set itself to what is read from the funnel handle.

LAST ON-TIME: During a pulse brew, this is the time set for the second on-time, and each alternating on-time for the remainder of the brew cycle.

MAIN SCREEN: The term used to describe the screen that is displayed when the brewer is not in use. This screen is also displayed after exiting the programming mode.

NO-NAME COFFEE: The term for the recipe used by the brewer when there is no coffee name stored in the funnel. The brewer can contain separate No-Name recipes for the left and right brewing positions.

OFF-TIME: During a pulse brew or preinfusion, this is the time set for the length of time that the water is not spraying over the grounds.

PREINFUSION: The process of beginning a brewing cycle with an initial spray of water onto the grounds followed by a pause in the spray. After the programmed pause, the spray continues without interruption until the end of the brewing cycle.

PULSE BREW: The process which allows the brew water to start, then stop, repeatedly, over the grounds in order to derive the best flavor from the coffee. Pulse brew is also used in some instances to prevent a funnel overflow.

RECIPE: Set of brewing parameters stored in the brewer. The parameters are unique for each coffee name and include brew ounces, pulse brew, percent bypass, preinfusion and drip time.

RECIPE CARD: An assembly consisting of a computer chip and an instruction label. Used for loading a recipe into the brewer and the companion DBC Grinder.

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PROGRAMMING

Using the menu-driven display on the front of the brewer, the operator has the ability to alter or modify various brewing parameters such as brew temperatures, brew volumes, bypass percentages, etc. This allows for the precise brewing of various flavors of coffee.

Programming of the brewer is achieved by entering a certain function. Then, by the use of hidden programming switches, the operator can customize the brewing process to their specifications.

PROGRAMMING SWITCHES

To access the programming mode, and to scroll through the different function screens, hidden programming switches are used. There are five of these switches that will be used for the setup of the brewer.

2

1

P2605

3

4

5

1.® symbol (upper right of the BUNN logo)

This is used to access the programming mode and is also used to scroll forward through the function list.

2.Upper left corner of the "B" in the BUNN logo

This is used to scroll backwards through the function list.

3."Digital" (lower left under the display)

This is used to select options that appear on the display during programming.

4."Brewer" (center under the display)

This is used to select options that appear on the display during programming.

5."Control" (lower right under the display)

This is used to select options that appear on the display during programming.

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PROGRAMMING THE BREWER

The programming of the brewer is divided into two levels. There is one function in Level 1. All other functions are accessed in Level 2.

The following function screens are in order of appearance. Each screen will have instructions on how to access, and the procedures to program the various functions of the brewer.

IMPORTANT PROGRAMMING NOTES

- READ CAREFULLY -

To exit the programming mode at any time, press and release either of the ON/OFF switches located on the front switch panel. The display will return to the MAIN SCREEN.

If none of the five programming switches are pressed within one minute during the setup of the brewer, the programming of the function screen that is being set will be exited and the display will return to the MAIN

SCREEN.

Always remember to place a container and funnel under the sprayhead when operating the brewer during the set-up of PULSE BREW, CALIBRATE FLOW and testing the brew and bypass valves in SERVICE TOOLS/TEST

OUTPUTS.

MAIN SCREEN

PROGRAM FUNCTIONS - LEVEL 1

 

BREW LOCKOUT

READY TO BREW WATER TEMP: 205°

This function allows the operator to prevent or allow brewing if the water temperature is less than the set READY temperature.

To access this function screen press and hold the ® symbol. Release the ® when the display reads:

This screen will be shown when the brewer is ready for use. The screen displays the water temperature in the tank. When the water in the tank reaches the correct set temperature, the display will change from

HEATING to READY TO BREW.

PROGRAMMING LOCKOUT SWITCH (mounted on main control board)

This switch can be set to prevent access to the programming levels of the brewer. Once all the correct brew settings are programmed, the operator can set the switch to the "DISABLE" position to prohibit anyone from changing the settings.

 

PROGRAM

ENABLE

DISABLE

PROGRAMMING

SWITCH

P2424

BREW LOCKOUT?

NO DONE YES

Press here

Press here

Press here

for NO

for DONE

for YES

The YES or NO should be flashing. Select YES to prevent brewing if the water temperature is below the set READY temperature. Select NO to permit brewing at any water temperature.

When finished, press and release DONE. This will exit this function screen and return to the MAIN SCREEN on the display.

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PROGRAMMING THE BREWER (cont.)

PROGRAM FUNCTIONS - LEVEL 2

There are three methods of programming the various brewing parameters of the Dual TF with Smart Funnel Brewer.

METHOD 1:

Using a Smart Funnel and a G9-2T DBC or MHG Grinder:

Certain coffee NAMES are stored in the G9-2T DBC or MHG's memory. When a particular name of coffee is ground into the Smart Funnel, that name and the batch size selected are transferred from the grinder to the programming chip located in the funnel's handle. The funnel is then inserted into the brewer's left side funnel rails. The sensor coil on the brewer reads the information contained in the handle. This then allows the operator to set the BREW VOLUMES, BYPASS

PERCENTAGES, PULSE BREW TIMES, PREINFUSION TIMES and DRIP-OUT TIMES for that particular coffee NAME. Each coffee NAME can be set individually to provide optimum brewing quality.

RECIPES

This diagram allows for the creating, modifying, or viewing of recipes in the brewer.

METHOD 2:

Using a RECIPE CARD to enter all of the brew settings at one time:

If using a coffee name not in the grinder's memory, the customer can obtain a RECIPE CARD from the factory with all the information needed to set up that particular coffee name. This includes the COFFEE NAME, BREW VOLUMES, BYPASS PERCENTAGES, PULSE BREW TIMES, PREINFUSION TIMES, and

DRIP-OUT TIMES.

METHOD 3:

Not using a Smart Funnel and/or a G9-2T DBC or MHG Grinder:

This allows the operator to enter ONE set of brewing parameters for each side, in the event a Smart Funnel and/or a G9-2T DBC or MHG is not used with the Dual TF Brewer. This is referred to as a NO NAME coffee flavor. If the brewer does not read the information in the funnel's handle, it automatically selects the NO NAME brewing parameters set up prior to brewing. This includes BREW VOLUMES, BYPASS PERCENT-

AGES, PULSE BREW TIMES, PREINFUSION TIMES and DRIP-OUT TIMES for the three batch sizes.

ARE YOU CREATING OR CHANGING A RECIPE FOR A

COFFEE NAME PREVIOUSLY USED IN THIS BREWER?

DON'T

YES

NO

 

 

KNOW

 

 

 

 

 

HAVE YOU RECEIVED A RECIPE CARD

 

 

CONTAINING THE NEW RECIPE?

 

 

YES

 

NO

 

 

FOLLOW INSTRUCTIONS

DOES THE GRINDER HAVE THE

 

ON THE RECIPE CARD

 

NAME IN ITS MEMORY?

 

 

NO

DON'T KNOW

YES

YOU WILL MODIFY AN

 

GO TO SET NEW RECIPE,

 

EXISTING RECIPE

 

 

YOU WILL ENTER

AND FOLLOW THE

 

 

 

 

THE NO NAME LEFT

 

 

INSTRUCTIONS

 

 

AND NO NAME

 

 

 

 

 

RIGHT BREW

REFER TO NAME LIST

 

GO TO REVIEW RECIPES

SETTINGS

 

IN GRINDER MANUAL

 

 

 

AND FOLLOW INSTRUCTIONS

OR

OR

 

 

 

 

 

TO VIEW A LIST OF EXISTING RECIPES,

 

 

CONTACT BUNN-O-MATIC

 

 

FOR ASSISTANCE

 

GO TO REVIEW RECIPES

 

 

 

 

 

 

AND FOLLOW THE INSTRUCTIONS

 

 

 

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35058.1 071205

PROGRAM FLOW DIAGRAM

LEVEL 1

Press upper right hidden switch for approximately 2 seconds, until the following screen appears.

BREW LOCKOUT?

NO DONE YES

Returns to normal operating mode

LEVEL 2

Press upper right hidden switch for approximately 4 seconds, until “UNITS” appears on screen.

LEFT<-<-<-<-<-<-RIGHT

NO YES

Returns

to (A)

Page 15

 

 

 

(C)

 

FULL

LEFT,

%

BYPASS

XX

1/2

SET ALL 3

 

 

 

1/4

BATCHES (-)

DONE

(+)

3 BATCHES DONE?

NO

YES

SET PULSE BREW

DRIP TIME X.XX

(-)

DONE

(+)

3 BATCHES DONE?

NO

YES

NO-NAME LEFT

SETUP COMPLETE

RIGHT,

SET ALL 3 BATCHES

FULL

1/2

1/4

Continue to (B)

Page 16

Page 17

PROGRAMMING THE BREWER (cont.)

UNITS (SETTING UNITS OF MEASURE)

This function allows the units of measure to be set in English or Metric readings for all screens. The program is defaulted to English.

WARNING: Changing the unit of measure will erase all coffee recipes stored in memory. All preinfusion, pulse times, etc will also be erased. If using this option after information has been stored, it is important to have this information stored elsewhere so that the machine can be reprogrammed.

Procedure for modifying units of measure:

1.Press and hold upper right hidden switch until the display reads UNITS. Release switch. Press and release METRIC or ENG to make a selection.

2.Press DONE to proceed. The display should now read CHANGING UNITS!! WILL ERASE!! ... ALL

PREVIOUSLY STORED RECIPES AND ALL SETUP INFO WILL BE LOST ... ARE YOU SURE?.

3.Press YES to begin the change. While the change is in process, the display will read RESTORING DEFAULTS and a count down will begin.

4.When the count down reaches 0 the display will read SET NEW RECIPE?. The units have been reset.

5.Press and release either of the ON/OFF switches located on the front switch panel to exit the UNITS function and return to the MAIN SCREEN.

UNITS

METRIC DONE ENG

SELECTS METRIC

AS THE

UNIT OF MEASURE

CHANGING UNITS WILL!! ERASE!!

ALL PREVIOUSLY STORED RECIPES

AND ALL SETUP INFO WIL BE LOST!

ARE YOU SURE? YES NO

SELECTS ENGLISH

AS THE

UNIT OF MEASURE

REPLACE EXIT

P3260

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35058.1 071205

 

Page 19

P2299ProcedureMUST GRINDO INTfor Setting the Recipe:

PROGRAMMING THE BREWER (cont.)

SET NEW RECIPES (cont.)

8.Using (-) and (+), set the amount of brew water, in ounces, to be dispensed for that particular batch size.

9.When finished, press another batch size and repeat step 8 for that size. Continue setting all batch sizes.

10.When finished setting all batch sizes, press and release DONE. The display should read 3 BATCH

SIZES DONE?

11.If the three batch sizes are not correct, press and release NO to return to the BREW OUNCES setup screen and repeat steps 8 through 10. If the three batch sizes are correct, press YES. This will advance to the % BYPASS function. (Refer to % BYPASS for description).

% BYPASS XX.X

(-)

DONE

(+)

3 BATCHES DONE?

NO

 

YES

SET PULSE BREW?

NO YES

P2416

12.Using (-) and (+) set the amount of bypass water (percentage) to be dispensed around the grounds for that particular batch size.

13.When finished, press another batch size and repeat step 12 for each batch to be set.

14.When finished setting each batch size, press DONE. The display should read 3 BATCHES DONE?

15.If the three batch sizes are not correct, press and release NO to return to the % BYPASS setup screen and repeat steps 12 through 15. If they are correct, press YES. This will advance to SET PULSE BREW.

(Refer to SET PULSE BREW for description). 16.To SET PULSE BREW, if setting pulse brew using

EASY PULSE (brewing into a funnel) press YES and proceed with the setup instructions for SETTING PULSE BREW - EASY PULSE.

17.If setting pulse brew by ENTER TIMES (entering known times) press NO. The display should read ENTER TIMES. Press and release YES and proceed

with the setup instructions for SETTING PULSE BREW - ENTER TIMES. SET DRIP TIME. (Refer to SET DRIP TIME for description).

DRIP TIME X:XX (-) DONE (+)

3 BATCHES DONE? NO YES

(COFFEE NAME) SETUP COMPLETE

P2418

18.The display should now read DRIP TIME, along with either the word OFF, or a time will be showing. A batch light should also be blinking.

19.Using (-) and (+), set the amount of time from when the brew spray ends to when the funnel is emptied of hot liquid for that batch size.

NOTE: Set to OFF to prevent funnel locks from engaging (to disable this function), for a particular batch size. To set to OFF, continue to press and release (-) until OFF appears on the screen.

20.When finished, press another batch size and repeat step 19 until all three sizes are set.

21.When finished setting all batch sizes press DONE. The display should read 3 BATCHES DONE?.

22.If the three batch sizes are not correct, press NO to return to the DRIP TIME setup screen and repeat steps 19 through 21.

23.If the three batch sizes are correct, press YES. The screen should show the name of the coffee being programmed (modified) along with SETUP COMPLETE.

24.After a 5 second delay, the display will advance to the next coffee name in the brewer's memory. If no other coffee names are present, the display will read THAT WAS THE LAST RECIPE, and return to the REVIEW RECIPES screen.

Page 20

35058.1 071205

 

PROGRAMMING THE BREWER (cont.)

SET NEW RECIPE

Using a RECIPE CARD to load coffee names and brew settings into the Dual TF DBC with Smart Funnel:

The G9-2T DBC or MHG's memory contains certain coffee names. If the operator uses a coffee name that is not already stored in the grinder's memory, a RECIPE CARD can be obtained from the factory. The RECIPE CARD would include all the information needed to set up that particular coffee name. The information from the RECIPE CARD is loaded into the grinder's memory, then into the brewer's memory by holding the chip area up to the equipment's sensing coil. This information can include the coffee name, BREW VOLUMES, BYPASS PERCENTAGES, PULSE BREW TIMES and DRIP-OUT TIMES for that particular coffee NAME. These can all be loaded in seconds.

Contact Bunn-O-Matic Corporation for the availability of RECIPE CARDS.

NOTE: Instructions to program the brewer and grinder are printed on the RECIPE CARD, along with the coffee name that is being programmed.

Procedure to program the coffee name:

1.Remove the funnels (if present) from the left and right funnel rails.

2.Position the RECIPE CARD vertically, so that the top end of the CHIP is beneath the left side funnel sensing coil.

3.After a short pause the display will read CARD CONTAINS RECIPE FOR then will change to (COFFEE NAME) SHOW QUIT SAVE. All brewing parameters for that coffee name are now transferred from the CARD to the brewer.

4.To show (view) this information, press and release SHOW. The display will scroll through all of the brew settings for all three batch sizes. The display will then return to CARD CONTAINS RECIPE FOR then will change to (COFFEE NAME) SHOW QUIT SAVE.

5.If all brew settings are correct, press SAVE. The display will read (COFFEE NAME) SETUP COMPLETE. All brew settings for that name are now stored in the brewer's memory.

6.If the brewing information is not correct, or it is desired to exit the setup before the settings are loaded into the brewer's memory, press QUIT. The display will read (COFFEE NAME) NOT SAVED. The display will then return to the MAIN SCREEN.

READY TO BREW

WATER TEMP: 200º

POSITION CARD UNDER THE

LEFT SIDE SENSOR COIL

CARD CONTAINS

RECIPE FOR

(COFFEE NAME) SHOW QUIT SAVE

 

 

 

 

 

 

 

 

 

 

 

 

 

 

SCROLLS THROUGH ALL

 

(COFFEE NAME)

 

OF THE BREW SETTINGS

 

SETUP COMPLETE

FOR THE THREE BATCH

 

SIZES FOR THAT COFFEE

 

 

 

 

NAME

 

 

 

 

 

 

 

 

 

 

 

(COFFEE NAME)

 

 

NOT SAVED

P2300

Page 21

35058.1 071205

 

SET NEW RECIPE:

If not using a Smart Funnel (with a sensor coil) and/or a G9-2T DBC or MHG Grinder, the brewer will function as a standard Bunn Dual TF Brewer:

It is possible to operate the brewer without using

 

a Smart Funnel and/or a G9-2T DBC or MHG Grinder.

 

If a standard funnel, or if a non-DBC grinder is used

 

the brewer will automatically select a NO NAME coffee

 

flavor when the BREW switch is pressed. This means

 

that no name was read from the funnel's handle.

 

There are two NO NAME coffee programs that

 

can be set in the brewer. They are referred to as NO

 

NAME LEFT and NO NAME RIGHT. The left and right

 

sides of the brewer can be set up independently of

 

each other. This includes BREW VOLUMES, BYPASS

 

PERCENTAGES, PULSE BREW TIMES and DRIP-OUT

P2419

TIMES. The brewer will perform in the same capacity

 

as a standard Bunn Dual TF Brewer.

 

The instructions for programming the NO NAME

 

settings are on the following pages. The same steps

 

are followed for setting the recipe as those that are

 

used to MODIFY A RECIPE, beginning on page 21.

 

Note that when the display reads NO NAME LEFT,

 

that is when MODIFY should be pressed in order to

 

set the parameters for the NO NAME LEFT coffee.

 

Otherwise, press NEXT to display NO NAME

 

RIGHT.

 

At this point, MODIFY should be pressed in order to

 

set the parameters for the NO NAME RIGHT coffee.

 

NOTE: Before beginning setup, insert a funnel into the left and right side funnel rails, and place a ThermoFresh Server beneath each brew funnel.

Page 22

35058 121102

 

PROGRAMMINGREVIEW RECIPES?THE BREWER (cont.)

EXIT TO

35058.1 071205

PROGRAMMING THE BREWER (cont.)

REVIEW RECIPES/MODIFY RECIPES/SET UP NO NAME COFFEE FLAVORS:

This function has three parts. It allows the operator to view the brew settings for the various coffee names programmed into the brewer.

It also allows the operator to modify (change) any of theBREWVOLUMES,BYPASSPERCENTAGES,PULSE BREW TIMES, PRE-INFUSION TIMES and DRIP-OUT TIMES for a particular coffee name programmed into the brewer.

Finally, this function is used to set up the two NO NAME coffee BREW VOLUMES, BYPASS PERCENTAGES, PULSE BREW TIMES and DRIP-OUT TIMES.

Procedure for reviewing recipes:

1.Press and hold the upper right hidden switch ® until the display reads UNITS. Release the switch, then press and release switch until the display reads REVIEW RECIPES.

2.Press YES to proceed. The display should now read NO-NAME LEFT, along with MODIFY, SHOW and NEXT.

3.Press and release SHOW. The screen will scroll through all the brew settings for that particular coffee flavor name. When finished, the display will return to the coffee name just viewed.

4.To see settings again, press SHOW. To advance to the next coffee flavor name, press NEXT.

5.To exit, press NEXT until the display reads THAT

WAS THE LAST RECIPE.

6.After 5 seconds, the display will return to the REVIEW RECIPES screen. Press and release NO to advance to the next function screen, or press and release either ON/OFF switch located on the front switch panel to exit the programming mode and return to the MAIN SCREEN.

REVIEW RECIPES?

NO

YES

EXIT TO

 

NEXT FUNCTION

 

SCREEN

 

NO-NAME LEFT

MODIFYSHOWNEXT

 

<RECIPE NAME>

 

MODIFYSHOWNEXT

SCROLLS THROUGH ALL

BREW SETTINGS FOR

NO-NAME LEFT

 

COFFEE NAME

 

 

SCROLLS THROUGH ALL

 

BREW SETTINGS FOR ANY

 

OTHER COFFEE NAMES

 

STORED IN BREWER'S MEMORY

 

SCROLLS THROUGH ALL

 

BREW SETTINGS FOR ALL

 

COFFEE NAMES IN MEMORY

 

WHEN IT REACHES LAST

 

RECIPE IT WILL ADVANCE TO:

 

THAT WAS THE

 

LAST RECIPE

P2360

 

Page 23

35058.1 071205

 

PROGRAMMING THE BREWER (cont.)

BREW OZ (SETTING OR ADJUSTING BREW VOLUMES)

This function allows adjustment of the brew volumes for each batch. The indicator signifies volume in ounces per batch.

Procedure for modifying recipes - brew ounces: Range: 10.0 oz to 400 oz for all three batch sizes

1.Press and hold the upper right hidden switch ® until the display reads UNITS. Release the switch, then press and release switch until the display reads REVIEW RECIPES.

2.Press YES to proceed. The display should now read NO-NAME LEFT, along with MODIFY, SHOW and NEXT.

3.Press and release NEXT to advance to the desired coffee name to be modified.

4.Press and release MODIFY. The display should read BREW OZ: and a batch light will be blinking.

REVIEWRECIPES?

NO YES

EXITTO

NEXTFUNCTION

SCREEN

NO-NAMELEFT

MODIFYSHOWNEXT

ADVANCESTOALLOTHER

COFFEENAMESPROGRAMMED

INTHEBREWER'SMEMORY

BREWOZ.XX.X

(-) DONE (+)

(COFFEENAME)

MODIFYSHOWNEXT

3BATCHESDONE?

NO YES

WHENTHELASTCOFFEENAME

INTHEBREWER'SMEMORYIS

DISPLAYED,NEXTPRESSING

WILLEXITANDTHEDISPLAY

WILLTHENREAD:

%BYPASSXX.X

THAT(-)WASDONETHE (+)

LASTRECIPE

SEEMODIFYING

BYPASSPERCENTAGES

ONTHEFOLLOWINGPAGE

ORPRESSANDRELEASE

EITHERON/OFFSWITCHTO

EXITTHEBREWOZ:SETUP

ANDRETURNTOTHEMAIN

SCREEN

Press and release the batch size to be modified.

5.Using (-) and (+), set the amount of brew water, in ounces, to be dispensed over the grounds for that particular batch size.

6.When finished, press another batch size and repeat step 5 for that size for each batch size to be modified. Continue setting all batch sizes.

7.When finished setting all batch sizes, press and release DONE. The display should read 3 BATCH

SIZES DONE?

8.If the three batch sizes are not correct, press and release NO to return to the BREW OUNCES setup screen and repeat steps 5, 6 and 7.

9.If the three batch sizes are correct, press YES. This will advance to the % BYPASS function. Another alternative is to press and release either ON/OFF switch to exit the BREW OZ setup and return to the MAIN SCREEN.

P2291

Page 24

35058.1 071205

 

PROGRAMMING THE BREWER (cont.)REVIEW RECIPES?

% BYPASS

This function allows adjustment of the amount of water that bypasses the grounds. The number signifies the percentage of the brew volume which does not flow over the coffee grounds.

Modifying recipes - bypass percentages: Range: 0% to 90% for all three batch sizes

NOTE: If the brewer is already in the % BYPASS screen, it is not necessary to follow steps 1 through 6 in this section, but proceed directly to step 7.

1.Press and hold upper right hidden switch until the display reads UNITS. Release the switch, then press and release switch until the display reads

REVIEW RECIPES.

2.Press YES to proceed. The display should now read NO-NAME LEFT, along with MODIFY, SHOW and NEXT.

3.Press and release NEXT to advance to the desired coffee name to be modified.

4.Press and release MODIFY. The display should read BREW OZ.

5.Press and release DONE. The display should read

3 BATCHES DONE?.

6.Press and release YES. The display should now read % BYPASS, and a batch light will be blinking. Press and release the batch size to be modified.

7.Using (-) and (+) set the amount of bypass water (percentage) to be dispensed around the grounds for that particular batch size.

8.When finished, press another batch size and repeat step 7 for each batch to be modified.

9.When finished setting all batch sizes, press DONE. The display should read 3 BATCHES DONE?

10.If they are not correct, press and release NO to return to the % BYPASS setup screen.

11.If the 3 batch sizes are correct, press YES. This will advance to SET PULSE BREW. Another alternative is to press either ON/OFF switch located on the front switch panel to exit the % BYPASS setup and return to the MAIN SCREEN.

P2292

Page 25

PROGRAMMING THE BREWER (cont.)

SET PULSE BREW:

This function allows the operator to program the brewer to "pulse” the sprayhead flow on and off during a brew cycle (start and stop the flow of water out of the sprayhead). This feature allows the ability to “fine-tune” the brewer for specific flavor profiles. Pulse brewing can be set up for any and all batches.

INITIAL SPRAY

ON-

ON-

 

ON-

TIME

TIME

 

TIME ALTERNATES UNTIL

 

 

 

 

 

 

BREW CYCLE IS

OFF-

OFF-

 

OFF-

COMPLETED

 

 

TIME

TIME

 

TIME

 

 

 

 

 

P2293

a)1st ON TIME - This time is the duration from when the BREW switch is pressed to when the desired water level in the funnel is reached. (Soaking the grounds)

b)OFF-TIME - This time is the duration from when the water in the funnel reaches the desired ON TIME level to when it drains out of the funnel to a desired lower level.

c)LAST ON-TIME- This time is the duration from when the water in the funnel drains down to the lower level to when it fills the funnel to a desired higher level. (Soaking the grounds).

These three times can be set two different ways. The first is accomplished by utilizing the EASY PULSE screen and following the subsequent steps under that function.

The other allows the actual times to be entered for each of the settings. This is done by utilizing the ENTER TIMES screen and following the subsequent steps under that function.

Either of these methods can be used to set the pulse brew for each batch.

Modifying pulse brew:

Range: 1st on time - off to 4 minutes

Off time - off to 4 minutes

Last on time - Preinfusion to 4 minutes

NOTE: If the brewer is already in the SET PULSE BREW screen, it is not necessary to follow steps 1 through 8 in this section, but proceed directly to step 9.

1.Press and hold the upper right hidden switch (®) until the display reads UNITS. Release the switch, then press and release the switch until the display reads REVIEW RECIPES.

2.Press YES to proceed. The display should now read NO-NAME LEFT, along with MODIFY, SHOW and NEXT.

3.Press and release NEXT to advance to the desired coffee name to be modified.

4.Press and release MODIFY. The display should read BREW OZ.

5.Press and release DONE. The display should read

3 BATCHES DONE?.

6.Press and release YES. The display should now read % BYPASS.

7.Press and release DONE. The display should read

3 BATCHES DONE?.

8.Press and release YES. The display should now read SET PULSE BREW.

9.Press and release YES. The display should now read EASY PULSE SETUP.

10.If setting pulse brew using EASY PULSE (brewing into a funnel) press YES and proceed with the setup instructions for SETTING PULSE BREW - EASY PULSE SETUP.

11.If setting pulse brew by ENTER TIMES (entering known times) press NO. The display should read ENTER TIMES. Press and release YES and proceed with the he setup instructions for SETTING PULSE BREW - ENTER TIMES.

Page 26

35058.1 071205

 

PROGRAMMING THE BREWER (cont.)

SET PULSE BREW (cont.)

Page 27

P2409-1

PROGRAMMING THE BREWER (cont.)

SET PULSE BREW - EASY PULSE SETUP

NOTE: The procedure to enter the PULSE BREW function must be performed prior to following the steps listed below.

1.The display should read BREW TIME: X.XX and a batch size indicator will be flashing.

2.Using (-) and (+), set the desired brew time for the selected batch size.

3.When finished, select another batch size to be set by pressing the switch next to the indicator light. Repeat step 2 for each batch size to be set.

4.When finished setting all batch sizes, press done. The display should read 3 BATCHES DONE ?.

5.If the three batch sizes are not correct, press and release NO to return to BREW TIME setup screen and repeat steps 2 thru 4. If they are correct, press YES. This will display the 1st, OFF, and LAST times for 5 seconds, then advance to the DRIP TIME setup. (See DRIP TIME SET UP)

 

 

SET PULSE BREW?

 

 

NO

 

YES

 

 

EASY PULSE SETUP

 

 

NO

 

YES

ENTER TIMES ?

BREW TIME XX.X

NO

YES

(-)

DONE

(+)

 

See SET PULSE BREW-

3 BATCHES DONE?

 

ENTER TIMES

NO

 

YES

 

 

 

 

 

1st

OFF

LAST

 

 

XX.X

XX.X

XX.X

 

 

 

5 SEC. DELAY

 

 

 

DRIP TIME XX.X

 

 

(-)

DONE

(+)

3 BATCHES DONE? NO YES

 

COFFEE NAME

 

 

SETUP COMPLETE

P3507

 

 

Page 28

 

35058.1 071205

 

 

PROGRAMMING THE BREWER (cont.)

SET PULSE BREW - ENTER TIMES

NOTE: The procedure to enter the PULSE BREW function must be performed prior to following the steps listed below.

1.Press and release YES. The display should now read EASY PULSE SETUP.

2.Press and release NO. The display will read ENTER

TIMES?

3.Press YES to proceed. The display should now read 1st ON TIME X:XX.

4.Using (-) and (+) set the amount of time the flow of water into the funnel will be on.

5.When finished, press DONE. The display will now read OFF TIMES: X:XX.

6.Using (-) and (+) set the amount of time the flow of water into the funnel will be off.

7.When finished, press DONE. The display will now read LAST ON: X.XX

8.Using (-) and (+) set the amount of time the water will be on to complete the brew.

9.When finished, press DONE. The display will show the three times just entered for that batch size. After a 5 second delay, the display will read 3 BATCHES

DONE?

10.If other batch sizes need to be modified, press

NO.

12.Press a different batch size and repeat steps 3 through 7. Repeat until all the desired batch sizes are set for the left side.

13.When finished press YES in 3 BATCHES DONE?. The display will then read DRIP TIME.

14.Press and release either of the ON/OFF switches located on the front switch panel to exit the SET PULSE BREW function and return to the MAIN

SCREEN.

NOTE: Pressing the upper right hidden button before reaching the final setting screen exits the setup and retains the old values.

Page 29

P3265SET PULSE BREW?

PROGRAMMING THE BREWER (cont.)

SET PREINFUSION:

This function sets the brewer to turn the sprayhead flow on for a preset time (1st ON TIME) followed by a preset spray pause (OFF TIMES) and then turn the spray on continuously until the brew volume is completed.

This is a special case of pulse brew. It is not possible to set a batch size to have both pulse brew and preinfusion. One or the other (or neither) must be chosen. However, it is possible to set one batch size to pulse brew and the other two to preinfusion or vice versa.

NOTE: The procedure to enter the PULSE BREW function must be performed prior to following the steps listed below.

1.Press and release YES. The display should now read EASY PULSE SETUP.

2.Press and release NO. The display will read ENTER

TIMES?

NOTE: Pressing the upper right hidden button before reaching the final setting screen exits the setup and retains the old values.

SET PULSE BREW?

NO YES

EASY PULSE SETUP

NO YES

EXIT TO

NEXT FUNCTION

SCREEN

ENTER TIMES?

NO YES

3.Press YES to proceed. The display should now read 1st ON TIME X:XX.

4.Using (-) and (+) set the amount of time the flow of water into the funnel will be on.

5.When finished, press DONE. The display will now read OFF TIMES: X:XX.

6.Using (-) and (+) set the amount of time the flow of water into the funnel will be off.

7.When finished, press DONE. The display will now read LAST ON: PreI

8.If the display shows a time use (-) and (+) to set it to read PreI. (PreI is an abreviation for preinfusion)

9.When finished, press DONE. The display will show the two settings and PreI just entered for that batch size. After a 5 second delay, the display will read

3 BATCHES DONE?

10.If other batch sizes need to be modified, press

NO.

12.Press a different batch size pad and repeat steps 3 through 7. Repeat until all the desired batch sizes are set for the left side.

13.When finished press YES in 3 BATCHES DONE?. The display will then read DRIP TIME.

14.Press and release either of the ON/OFF switches located on the front switch panel to exit the SET

PULSE BREW function and return to the MAIN

SCREEN.

Page 30

1st ON TIME X:XX (-) DONE (+)

OFF TIMES: X:XX (-) DONE (+)

LAST ON: PreI

(-) DONE (+)

1st

OFF

LAST

XX.X

XX.X

PreI

 

 

 

 

 

5 SEC. DELAY

 

 

 

3 BATCHES DONE?

NO

 

 

YES

EXIT TO

NEXT FUNCTION

SCREEN

P3265-1

35058.1 071205

PROGRAMMING THE BREWER (cont.)

DRIP TIME (now displayed on "non" funnel lock units as well)

This function allows the setting or modification of the funnel locks to stay engaged after the end of a brew cycle. This ensures that the funnel cannot be removed until after the liquid has emptied out of the funnel.

Procedure to modify drip times:

Range: OFF to 10 minutes for all three batch sizes.

NOTE: If the brewer is already in the DRIP TIMES screen, it is not necessary to follow steps 1 through 9 in this section, but proceed directly to step 10.

1.Press and hold the upper right hidden switch until the display reads UNITS. Release the switch. Press and release switch until the display reads REVIEW RECIPES.

2.Press YES to proceed. The display should now read NO-NAME LEFT, along with MODIFY, SHOW and NEXT.

3.Press and release NEXT to advance to the desired coffee name to be modified.

4.Press and release MODIFY. The display should read BREW OZ.

5.Press and release DONE. The display should read

3 BATCHES DONE?.

6. Press and release YES. The display should now

(COFFEE NAME)

read % BYPASS.

MODIFYSHOWNEXT

7.Press and release DONE. The display should read

3 BATCHES DONE?.

8.Press and release YES. The display should now read SET PULSE BREW.

9.Press and release NO. The display should now read DRIP TIME, along with either the word OFF, or a time will be showing. A batch light should also be

blinking.

10. Using the (-) and (+), set the amount of time from when the brew solenoid shuts off to when drip-out occurs for that batch size.

NOTE: Set to OFF to prevent funnel locks from engaging (to disable this function), for a particular batch size. To set to OFF, press and release (-) until OFF is

displayed.

P2297

Page 31

35058.19071205

 

11. When fi nished, press another batch size and repeat

PRESS

ASSIGN RECIPES

COPY SETTINGS (NO NAME COFFEE SETTINGS

 

ONLY)

 

This function is used to transfer all the brew set-

 

tings from a NO NAME coffee flavor programmed

 

on one side of the brewer to the other side. A NO

 

NAME coffee is a flavor that is not in the grinder's

 

memory or is what appears if a Smart Funnel® is

 

not used.

 

For example, once the left side's 3 batch sizes are

 

programmed (brew volumes, bypass percentages,

 

pulse brew times, pre-infusion times, and drip-out

 

times) for a particular NO NAME coffee, all the data can

 

be transferred from the left side of the brewer to the

 

right side in one step. The data can also be transferred

 

from right to left, if the right side had been the initial

 

set-up side. This results in less set-up time.

 

If two different NO NAME setups are required,

 

one on the left, the other on the right side, it is not

 

recommended that this function be used.

 

Procedure to copy settings:

 

1. Press and hold the upper right hidden switch until

 

the display reads UNITS. Release the switch. Con-

 

tinue to press and release switch until the display

 

reads COPY SETTINGS.

Page 32

5P2298EXIT TO

S

E

C

.

D

E

L

A

Y

PROGRAMMING THE BREWER (cont.)

2.Press YES in this screen. The display should read

LEFT ->->-> RIGHT.

3.If the initial programming was done on the left side of the brewer, press YES. The display will read ARE

YOU SURE?

4.If you are sure that the data should be transferred from left to right, press YES. The display will then read TRANSFERCOMPLETE, and will automatically advance to the next function screen.

5.In the LEFT ->->-> RIGHT screen, if the programming was done on the right side and it is desired to transfer from right to left, press NO. The display will then read LEFT <-<-<- RIGHT .

6.If the initial programming was done on the right side of the brewer, press YES. The display will read

ARE YOU SURE?

7.If the data should be transferred from right to left, press YES. After the data is transferred, the display will read TRANSFER COMPLETE. This will appear for 3 seconds, then will exit to the next function screen. Brew settings for all flavors are not the same on both sides of the brewer, only the NO NAME setting has been transferred.

ENABLE ADS?

This function allows the operator to choose whether or not to display the advertising message that was entered into the brewer with an AD CARD. This message will be displayed when the brewer is not in use.

ENABLE ADS ?

NO DONE YES

P2721

Procedure to Enable/Disable Ads:

1.Press and hold the upper right hidden switch until the display reads UNITS. Release the switch. Continue to press and release switch until the display reads ENABLE ADS. The YES or NO will be flashing to indicate the current selection.

2.Press and release the NO pad to disable this function (no ads will be displayed on the screen), or;

3.Press and release the YES pad to enable this function (ads will be displayed on screen).

4.When finished, press and release DONE to save the new setting, exit the ENABLE ADS function and advance to the next function screen, SET TEMP. Another alternative is to press and release either of the pads located on the front switch panel to exit the ENABLE ADS function and return to the

MAIN SCREEN.

Page 33

PROGRAMMING THE BREWER (cont.)

SET TEMP (cont.)

3.When finished, press and release DONE to save the new setting, exit the SET TEMP function and advance to the next function screen, SET READY. Another alternative is to press and release either ON/OFF switch located on the front switch panel to exit the SET TEMP function and return to the

MAIN SCREEN.

SET READY - Range: 185˚F (85˚C) to 203˚F (95˚C)

This function allows the operator to set the minimum temperature allowable to start a brew cycle. The range can be from 185˚F (85˚C) to within 2˚F (-1.7°C) of the SET TEMP. The water must be at the SET READY temperature or higher for the display to indicate READY TO BREW. If brew lockout is enabled, the brewing process will not start below this READY temperature.

NOTE: The upper limit for SET READY temperature is 2˚F (-1.7°C) less than the water temperature (SET TEMP) setting.

SET READY: XXX° (-) DONE (+)

P2721

Procedure to set ready temperature:

1.Press and hold upper right hidden switch until the display reads UNITS. Release switch. Continue to press and release switch until the display reads

SET READY.

2.To adjust the ready temperature, press the (-) button to decrease, or (+) to increase the ready temperature.

3.When finished, press and release DONE to save the new setting, exit the SET READY function and advance to the next function screen, REFILL. Another alternative is to press and release either of the ON/OFF switches located on the front switch panel to exit the SET READY function and return to the MAIN SCREEN.

REFILL - Range: 0 to 155

This function allows the operator to adjust the sensitivity of the refill circuit. This is mainly a troubleshooting feature. Water in different geographical locations can have different conductivities. By adjusting the sensitivity of the refill circuit, this will allow the brewer to operate under various water conditions.

XXX REFILL -> XXX (-) DONE (+)

P2721

Procedure to set the sensitivity threshold of the refill circuit:

NOTE: Make sure the water in the tank is touching the refill probe.

1.Press and hold upper right hidden switch until the display reads UNITS. Release switch. Continue to press and release switch until the display reads REFILL and shows a number on both sides of the word.

2.To adjust the threshold setting, press (-) to decrease, or (+) to increase the setting.

NOTE: Always make sure that the number on the right is larger than the number on the left when water is in contact with the refill probe in the tank.

3.When finished, press and release DONE. This saves the new setting and advances to the next function screen, L SPRY OZ/M. Another alternative is to press and release either of the ON/OFF switches located on the front switch panel to exit REFILL and return to the MAIN SCREEN.

SPRAY OZ/M

This function allows the operator to view or to enter the actual flow rate coming out of the sprayhead. This is NOT used to change the actual flow rate, but to tell the internal controller how fast the water is flowing. The unit of measure is ounces per minute (Oz/M).

P2721

Page 34

PROGRAMMING THE BREWER (cont.)

Procedure to adjust the flow rate setting:

1.Press and hold upper right hidden switch until the display reads UNITS. Release switch. Continue to press and release switch until the display reads L SPRY OZ/M. The number represents what the brewer thinks is the flow rate of the sprayhead in ounces per minute.

2.If the actual flow rate of the sprayhead is known, but is different than the number on the display, use the (-) and (+) to enter the correct flow rate in ounces per minute.

3.When finished, press and release DONE. This saves the new setting and advances to R SPRY OZ/M. When finished setting the right side, press and release DONE to advance to next function screen, L BYPS OZ/M. Another alternative is to press and release either ON/OFF switch located on the front switch panel to exit R SPRY OZ/M function and return to the MAIN SCREEN.

BYPASS OZ/M

This function allows the operator to view or to enter the actual flow rate coming out of the bypass nozzle. This is NOT used to change the actual flow rate, but to tell the internal controller how fast the water is flowing. The unit of measure is ounces per minute.

L BYPS OZ/M: XXX (-) DONE (+)

P2721

Procedure to adjust the flow rate setting:

1.Press and hold upper right hidden switch until display reads UNITS. Release switch. Continue to press and release switch until display reads L BYPASS OZ/M. The number represents what the brewer thinks is the flow rate of the bypass valve in ounces per minute.

2.If the actual flow rate of the bypass valve is known, but is different than the number on the display, use the (-) and (+) to enter the correct flow rate in ounces per minute.

3.When finished, press and release the DONE. This saves the new setting and advances to R BYPS OZ/M. When finished setting right side, press and

release DONE to advance to next function screen, CALIBRATE FLOW. Another alternative is to press and release either ON/OFF switch located on the front switch panel to exit the BYPASS OZ/M function and return to the MAIN SCREEN.

CALIBRATE FLOW

This function allows the operator to enter the actual flow rate of the sprayhead and the bypass for each side of the brewer by dispensing both separately for one minute. The volumes are then entered in ounces per minute (OZ/M).

Procedures to calibrate the sprayhead flow rate:

1.Place a container, accurately graduated in ounces, and with a minimum capacity of 60 ounces, beneath the funnel on the side of the brewer to be calibrated.

2.Press and hold upper right hidden switch until the display reads UNITS. Release switch. Continue to press and release switch until display reads

CALIBRATE FLOW ?.

3.Press and release YES to advance to the SPRAY HEAD CAL? function screen. (Pressing NO in the CALIBRATE FLOW screen will advance to the next function screen, BREW COUNTERS).

4.Press and release YES. The display should read CONTAINER READY? If the container is under the funnel, press YES. The display should read

CALIBRATE SPRAY .. PRESS BREW TO START.

5.Press and release the BREW switch on the side to be calibrated. The display should read CALIBRATE SPRAY .. 60 SEC TO FINISH. The 60 second timer on the display will count down to zero. When the counter reaches zero, the display will change to ENTER OZ, along with a number signifying ounces per minute.

6.Measure the amount of water in the container and using the (-) or (+), adjust the amount on the display to match the amount in the container. Then press DONE.

7.The display should now read NEW L or R SPRY FLOW, along with the correct flow rate of the sprayhead in ounces per minute. After about 5 seconds, the display will return to the CALIBRATE FLOW screen.

8.To exit the CALIBRATE FLOW program, press NO to advance to the next function screen, or press

Page 35

35058.1 071205

 

PROGRAMMING THE BREWER (cont.)

CALIBRATE FLOW (cont.)

and release either ON/OFF switch located on the front switch panel to exit the CALIBRATE FLOW function and return to the MAIN SCREEN.

9.Repeat steps 1 - 8 when calibrating the other side.

P2608

Page 36

35058.1 071205

 

PROGRAMMING THE BREWER (cont.)

CALIBRATE FLOW?

NO YES

EXIT TO THE

NEXT FUNCTION

SCREEN

SPRAYHEAD CAL?

NO YES

BYPASS CAL?

NO YES

CONTAINER RDY?

NO YES

BREW COUNTERS

This function allows the operator to track the number of brew cycles completed on the left side, the right side, and the total of both combined. There are three resettable counters, and one life counter that is not resettable.

CALIBRATE BYPASS

PRESS BREW START

BREW PRESSED

COUNTS DOWN

CALIBRATE BYPASS

TO ZERO

60 SEC TO FINISH

 

 

AFTER 1 MINUTE

Left or Right

LEFT OZ

XX.X

 

(-) DONE

(+)

L or R

NEW L BYPS FLOW

 

XX.X OZ/M

P2609

Page 37

ProceduresEXIT TO to view/reset the brew counters:

PROGRAMMING THE BREWER (cont.)

BREW COUNTERS (cont.)

5.When finished, press NEXT to advance counter screens until the display reads BREW COUNTERS. Press and release NO to advance to the next function screen, or press and release either ON/OFF switch on the front switch panel to exit the BREW COUNTERS function and return to the

MAIN SCREEN.

FUNNEL DETECT (optional)

This function allows the operator to prevent the start of a brew cycle if a Smart Funnel is not positioned correctly in the funnel rails.

FUNNEL DETECT ?

NO DONE YES

P2721

Procedure to set funnel detect:

1.Press and hold the upper right hidden switch until display reads UNITS. Release the switch. Continue to press and release switch until display reads

FUNNEL DETECT.

2.NO or YES should be flashing to indicate the cur-

rent setting.

4.Select YES to prevent brewing if a Smart Funnel is not correctly situated in the rails. If this function is activated and a brew cycle is attempted with the funnel not properly situated, the display will read, FUNNEL NOT IN PLACE, until one is in place.

5.Select NO to allow brewing without a Smart Funnel in place. This is selected when brewing with a funnel other than a Smart Funnel (a regular brew funnel).

6.When finished, press and release DONE. This will retain the changes, exit this function screen and advance to the next. Another alternative is to press either ON/OFF switch located on the front switch panel to exit the FUNNEL DETECT and return to the MAIN SCREEN.

SERVICE TOOLS

This function allows the testing of individual components and the ability to check switches for proper function. This function also tests the Soft Heat® server's status on the brewer (in place or removed), and the funnel sensor coil's frequency (diagnostic tool for troubleshooting purposes only).

Testing individual components (outputs):

This will allow the operator to test the operation of individual components and outputs of the brewer. The components that can be individually tested are as follows:

Left Brew Valve

Left Bypass Valve

Left Funnel Lock Left Server Right Brew Valve

Right Bypass Valve

Right Funnel Lock Right Server Refill Valve

Tank Heaters Heater Contactor

SERVICE TOOLS?

NO YES

EXIT TO

NEXT FUNCTION

SCREEN

TEST OUTPUTS?

NO YES

TEST SWITCHES? PRESS AND RELEASE

NO

YES

 

® SYMBOL

 

 

LEFT BREW VALVE

ON NEXT OFF

NOTHING PRESSED

NEXT COMPONENT

TO BE TESTED

TEST FREQUENCY?

NO

YES

 

125.0 KHZ. 4

 

4 125.0 KHZ.

EXIT TO

 

NEXT FUNCTION

PRESS AND RELEASE

SCREEN

® SYMBOL

 

P2610

Page 38

35058.1 071205

 

PROGRAMMING THE BREWER (cont.)

SERVICE TOOLS (cont.)

Procedure to test components (outputs):

1.Place brew funnels into rails on both sides of brewer.

2.Place a server beneath each brew funnel.

3.Press and hold the upper right hidden switch until display reads UNITS. Release the switch. Continue to press and release switch until SERVICE TOOLS appears.

4.Press YES to run tests on various components and outputs within the brewer. Pressing NO will exit this function and advance to the next function screen.

5.The display should read TEST OUTPUTS.

6.Press and release YES. The display should read

LEFT BREW VALVE.

7.To test LEFT BREW VALVE, press ON. If the brew valve is functional, water should run from the left brew side.

8.Press OFF to end flow of water.

9.Press NEXT to advance to the next component to be tested.

NOTE: To bypass testing any component, press NEXT to advance to the next one, without testing the previous component.

10.To test LEFT BYPASS, press ON. If the bypass valve is functional, water should run from the left brew bypass.

11.Press OFF to end flow of water.

12.Press NEXT to advance to the next component to be tested.

13.To test LEFT FUNNEL LOCK, press ON. If the funnel lock is functional, the lock will come down to hold the funnel in place.

14.Press OFF to retract the funnel lock.

15.Press NEXT to advance to the next component to be tested.

16.Follow steps 7 through 15 to test the right side components.

17.To test REFILL VALVE, press ON. If the refill valve is functional, the sound of the valve operating will be heard.

18.Press OFF to end testing of refill valve.

19.Press NEXT to advance to the next component to be tested.

20.To test TANK HEATERS, connect a voltmeter across each of the tank heaters to check for voltage.

21.Press ON. The correct voltage should be present at the heater terminals.

22.Press OFF to end testing of the tank heaters.

NOTE: The tank heater will automatically turn off if left on too long.

23.After testing the tank heater, press NEXT to advance to the next test.

24.The HEATER CONTACTOR is used only on certain models. Check the machine schematic to see if the contactor is present. Connect a voltmeter across a tank heater that is operated by the contactor and press ON to check that correct voltage is present.

Press OFF and confirm the voltage is zero.

25.Press NEXT to return to TEST OUTPUTS.

26.To exit SERVICE TOOLS, press and release either ON/OFF switch located on the front switch panel. This will return to the MAIN SCREEN.

Procedure to test switches:

This function allows the operator to test the operation of the individual switches on the front panel.

1.Place brew funnels into rails on both sides of brewer.

2.Place a server beneath each brew funnel.

3.Press and hold the upper right hidden switch until display reads UNITS. Release the switch. Continue to press and release switch until SERVICE TOOLS appears.

4.Press YES to run tests on various components and outputs within the brewer. (Pressing NO will exit this function and advance to the next function screen.)

5.The display should read TEST OUTPUTS.

6.In TESTOUTPUTSscreen, press NO. This advances to TEST SWITCHES.

7.Pressing NO in this screen will advance to the next function. Press YES in the TEST SWITCHES screen to test the switches. The display will read

NOTHING PRESSED.

8.From this screen, press any of the switches on the front of the brewer except the upper right hidden switch. While the switch is pressed, the display shows the name of that switch. If the name does not appear, or if it remains after the switch has been released, the switch is defective. Each switch can be tested in this manner.

Page 39

35058.1 071205

 

PROGRAMMING THE BREWER (cont.)

SERVICE TOOLS (cont.)

9.After all switches have been tested, press and release the right hidden switch (®). This will return to TEST SWITCHES?. Press and release switch again to advance to TEST SERVERS?. Another alternative is to press and release either ON/OFF switch located on the front switch panel. This will exit TEST SWITCHES and return to the MAIN

SCREEN.

Procedures to test coil frequency:

1.Place brew funnels into rails on both sides of brewer.

2.Place a Soft Heat server beneath each brew funnel.

3.Press and hold the upper right hidden switch until the display reads UNITS. Release the switch. Continue pressing and releasing the upper right hidden switch until SERVICE TOOLS appears.

4.Pressing NO will exit this function and advance to the next function screen. Press YES to run tests on various components and outputs within the brewer.

5.The display should read TEST OUTPUTS?.

6.In TEST OUTPUTS screen, press NO. Continue to press and release NO until the display reads TEST

FREQUENCY?.

7.Press and release YES. The display will show the frequency of the sensor coil circuits. This is for diagnostic service use when troubleshooting this circuit.

8.After the coils have been tested, press and release either ON/OFF switch located on the front switch panel. This will exit the TEST FREQUENCY function and return to the MAIN SCREEN.

NOTE: If the operator wishes to test more than one function in the SERVICE TOOLS section (outputs, switches, servers, or coil frequency), it is not necessary to exit the program. Use the flow chart for SERVICE TOOLS to navigate to a particular function.

FACTORY DEFAULTS

This function allows the operator to erase all of the previously entered recipes and ad messages. Factoryset default values will replace all previous settings.

SEL BREWER TYPE?

NO YES

ThermoF SoftHeat

DONE

FACTORY DEFAULTS

NO YES

EXIT

WILL REPLACE ALL

BREW SETTINGS

ARE YOU SURE?

NO YES

EXIT

 

 

 

 

P2312

 

 

 

 

 

REPLACE

Page 40

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.

Inspection, testing, and repair of electrical equipment should be performed only by qualified service personnel.

All electronic components have 120 - 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 switch contact or a loose connection at a terminal or crimp.

Solenoid removal requires interrupting the water supply to the valve. Damage may result if solenoids are energized for more than ten minutes without a supply of water.

The use of two wrenches is recommended whenever plumbing fittings are tightened or loosened. This will help avoid twists and kinks in the tubing.

Make certain that all plumbing connections are sealed and electrical connections tight and isolated.

This brewer is heated at all times. Keep away from combustibles.

WARNING

Exercise extreme caution when servicing electrical equipment.

Disconnect the brewer from the power source when servicing, except when electrical tests are specified.

Follow recommended service procedures.

Replace all protective shields or safety notices.

Screen Displayed

OVERFLOW CUP FULL. EMPTY CUP

NO FUNNEL PRESENT

Possible Cause

Troubleshooting Procedures

1. Overflow cup is full of water. This

Empty cup. Correct cause and

could be caused by boiling; see chart

retry.

on page 33. Also could be Refill Sen-

 

sitivity adjustment; see page 34.

 

1. SMART FUNNEL not fully inserted

Position the funnel so that the sensor

into the funnel rails.

is directly beneath the sensor coil on

 

the brewer.

2. Not using a SMART FUNNEL,

Disable the FUNNEL DETECT func-

and the FUNNEL DETECT function

tion.

is activated (on).

 

Page 41

35058.1 071205

 

TROUBLESHOOTING (cont.)

Screen Displayed

TEMPERATURE

TOO LOW

CHECK FUNNEL FOR FRESH COFFEE

PRESS BREW

TO BREW ANYWAY

BREW STOPPED! FUNNEL REMOVED?

TO FINISH:

PRESS BREW

TO CANCEL

PRESS ON/OFF

Possible Cause

1. Water temperature in the tank does not meet the SET READY

TEMPERATURE.

1. Brew funnel was not removed after the previous brew cycle was finished.

1. Brew funnel was moved out of position after the brew cycle was started.

Troubleshooting Procedures

(a)Wait for the brewer to heat to the proper temperature.

(b)Disable the BREW LOCKOUT function.

Remove funnel, check contents, and insert back into the funnel rails.

OR

Press BREW to start a brew cycle without removing the funnel.

To resume brewing, correctly position the funnel and press BREW again. The brew cycle will resume from the point it was interrupted.

OR

Press ON/OFF to terminate the cycle.

Page 42

35058.1 071205

 

TROUBLESHOOTING (cont.)

Screen Displayed

BREW STOPPED! IS SWITCH OFF?

TO FINISH:

PRESS BREW

TO CANCEL

PRESS ON/OFF

Possible Cause

1. ON/OFF switch was pressed after the brew cycle was started.

Troubleshooting Procedures

To resume brewing, press BREW again. The brew cycle resumes form the point it was interrupted.

OR

Press ON/OFF to terminate the brew cycle.

HEATING TIME

1.

Tank Heater failure

Service Required

 

 

 

TOO LONG

2.

Triac Failure

Service Required

 

 

3. Control Board/Thermistor failure

Service Required

 

 

 

 

CHECK HEATING

CIRCUIT

Page 43

35058.1 071205

 

TROUBLESHOOTING (cont.)

Screen Displayed

FILL TIME TOO

LONG

CHECK WATER

SUPPLY

TEMP SENSOR

OUT OF RANGE

CHECK FOR BAD

CONNECTIONS

TEMP SENSOR

OUT OF RANGE

CHECK WIRE FOR

SHORTS

Possible Cause

1.Water shut off to brewer

2.Inlet Solenoid Valve failure

3.Control Board Failure

1. Temperature Sensor Probe wire(s) broken or not making connection.

1. Temperature Sensor Probe wire(s) shorted to housing, or to each other.

Troubleshooting Procedures

Check water supply shut-off

Service required

Service required

Check wire and connection of both black and white wires of temperature probe.

Check to confirm that wire(s) are not pinched between two surfaces or connected to each other.

Page 44

35058.1 071205

 

TROUBLESHOOTING (cont.)

 

 

Problem

Possible Cause

Troubleshooting Procedure

Equipment will not operate.

1. No power or incorrect voltage.

Measure the voltage at the terminal

 

 

block and confirm that it matches

 

 

the voltage specified on the brewer

 

 

data plate within +/- 10%.

Brew cycle will not start.

1. No water

Check plumbing and shut-off

 

 

valves

 

2. ON/OFF switch

Test the ON/OFF switch. Refer to

 

 

 

 

the switch test procedures on page

 

3. Brew switch

33.

 

 

Test the BREW switch. Refer to the

 

4. Brew Valve

switch test procedures on page

 

 

33.

 

5. Electronic Control Board

Test the Brew valve. Refer to Test-

 

 

ing Individual Components on page

 

 

33.

Automatic refill will not operate

1. No water

Substitute a control board known to

or display shows FILL TIME TOO

 

LONG

2. Water strainer

be in good working order.

 

 

Check plumbing and shut-off

 

 

valves.

 

 

(A) Direction of flow arrow must be

 

 

pointing towards direction of water

 

 

flow.

 

 

(B) Remove the strainer and check

 

 

for obstructions. Clear or replace

Page 45

35058.1 071205

 

TROUBLESHOOTING (cont.)

Problem

Automatic refill will not operate or display shows FILL TIME TOO LONG (cont.)

Possible Cause

3. Refill Probe or Sensitivity Setting

Troubleshooting Procedure

Check the sensitivity setting. Refer to the Refill function. If the left three digit number is less than the right number, the machine “thinks” it is full and the refill valve should be off. If the left number is larger than the right, then the refill valve will automatically be turned on to fill the tank. The right number is the threshold setting and can be adjusted to compensate for extreme water conditions: very pure, low conductance water requires a higher setting, while high mineral content, high conductance water requires a lower setting. Note that the left number changes from a high value when water is NOT touching the refill probe to a low value when water IS touching the probe. For best operation, the right number should be set to a value midway between these low and high numbers. Before changing the setting, confirm that the refill probe is free of scale buildup and the connection to it is secure.

4.

Refill Valve

Test the Refill valve. Refer to Testing

 

 

Individual Components.

5.

Overflow Protection Switch

When this condition occurs, the

 

 

brewer will display OVERFLOW CUP

 

 

FULL. EMPTY CUP. The reason for

 

 

overfilling could be a defective refill

 

 

valve, an incorrect sensitivity setting,

 

 

(see above) or boiling.

6.

Electronic Control Board

Substitute a control board known to

 

 

be in good working order.

Water flows into tank continuously 1. Refill valve

Foreign material lodged in valve,

with power removed from brewer.

 

holding it in open state.

Page 46

35058.1 071205

 

TROUBLESHOOTING (cont.)

 

 

Problem

Possible Cause

Troubleshooting Procedures

Water flows into tank continuously with power applied to brewer.

1. Refill Probe or Sensitivity Setting

Check the sensitivity setting. Refer to the Refill function. If the left three digit number is less than the right number, the machine “thinks” it is full and the refill valve should be off. If the left number is larger than the right, then the refill valve will automatically be turned on to fill the tank. The right number is the threshold setting and can be adjusted to compensate for extreme water conditions: very pure, low conductance water requires a higher setting, while high mineral content, high conductance water requires a lower setting. Note that the left number changes from a high value when water is NOT touching the refill probe to a low value when water IS touching the probe. For best operation, the right number should be set to a value midway between these low and high numbers. Before changing the setting, confirm that the refill probe is free of scale buildup and the connection to it is secure.

2.

Electronic Control Board

Water will not heat or display shows 1.

Limit Thermostat

HEATING TIME TOO LONG

 

CAUTION - Do not eliminate or bypass limit thermostat. Use only replacement part #23717.0001.

2. Tank Heaters

Substitute a control board known to be in good working order.

Remove power from the brewer. Press reset button on limit thermostat. Then check for continuity through it.

Remove power from the brewer. Check for continuity through the tank heaters.

Page 47

35058.1 071205

 

TROUBLESHOOTING (cont.)

Problem

Water will not heat or display shows HEATING TIME TOO LONG (cont.)

Possible Cause

3. Triac

Troubleshooting Procedures

Remove power from the brewer. Connect a voltmeter across one of the tank heaters. Reapply power to the brewer and refer to Testing Individual Components. If the full supply voltage is measured when the tank heater is turned on, and zero voltage is measured with the triac off, then the triac is good. If half the supply voltage is measured, the triac is defective. If very low, or zero voltage is measured, there could be a defective triac or a defective control board.

Spitting or unusual steaming from sprayhead or air vents. (Water too hot)

4. Electronic Control Board

Perform the above procedure for

 

testing triacs. If the voltage mea-

 

sured is very low or zero, then

 

substitute a control board known to

 

be in good working order.

1. Triac

Remove power from the brewer.

 

Connect a voltmeter across one of

 

the tank heaters. Reapply power

 

to the brewer and refer to Testing

 

Individual Components. If the full

 

supply voltage is measured when

 

the tank heater is turned on, and

 

zero voltage is measured with the

 

triac off, then the triac is good. If

 

half the supply voltage is measured,

 

the triac is defective. If very low, or

 

zero voltage is measured, there could

 

be a defective triac or a defective

 

control board.

2. Lime Buildup

CAUTION - Tank and tank components should be delimed regularly depending on local water conditions. Excessive mineral buildup on stainless steel surfaces can initiate corrosive reactions resulting in serious leaks.

Inspect the tank assembly for excessive lime deposits. Delime as required.

Page 48

35058.1 071205

 

TROUBLESHOOTING (cont.)

 

 

Problem

Possible Cause

Troubleshooting Procedures

Spitting or unusual steaming from

3. Electronic control board

Perform the previous procedure

sprayhead or air vents. (Water too

 

for testing triacs. If the voltage

hot) (cont.)

 

measured is very low or zero, then

 

 

substitute a control board known to

 

 

be in good working order.

Inconsistent beverage level in

1. Strainer

(A) Direction of flow arrow must be

server.

 

pointing towards the brewer.

 

 

(B) Remove the strainer and check

 

 

for obstructions. Clear or replace.

 

2. Improper water pressure

Check operating water pressure to

 

 

the brewer. It must be between 20

 

 

and 90 psi (138 and 620 kPa).

 

3. Brew Valve

Test the Brew Valve. Refer to Testing

 

 

Individual Components. Turn the

 

 

valve on for 30 seconds and collect

 

 

the water dispensed from the spray-

 

 

head. Repeat the test several times

 

 

to confirm a consistent volume of

 

 

dispensed water. If not consistent,

 

 

check the valve, tubing and spray-

 

 

head for lime buildup.

 

4. Bypass Valve

If bypass is being used on the

 

 

inconsistent brewing recipe, test

 

 

the Bypass Valve. Refer to Testing

 

 

Individual Components. Turn the

 

 

valve on for 30 seconds and collect

 

 

the water collected from the bypass

 

 

opening. Repeat the test several

 

 

times to confirm a consistent volume

 

 

of dispensed water. If not consistent,

 

 

check the valve, tubing and bypass

 

 

opening for lime buildup.

 

5. Lime buildup

Inspect for lime buildup that could

 

 

block the tank, tank fittings, tubing,

 

 

valves and sprayhead.

Page 49

35058.1 071205

 

TROUBLESHOOTING (cont.)

 

 

Problem

Possible Cause

Troubleshooting Procedures

Consistently high or low beverage

1. Brew Volume adjustment

Adjust the brew volume as required

level in server.

 

to achieve the recommended volume

 

 

for each brew cycle.

Dripping from sprayhead.

1. Brew Valve

Repair or replace leaky valve.

Water overflows filter.

1. Type of paper filters

BUNN paper filters should be used

 

 

for proper extraction.

 

2. No sprayhead

Check sprayhead

Beverage overflows server.

1. Beverage left in server from previ-

The brew cycle should be started

 

ous brew

only with an empty server under

 

 

the funnel.

 

2. Brew Volume adjustment

Adjust the brew volume as required

 

 

to achieve the recommended volume

 

 

for each brew cycle.

Weak beverage.

1. Type of paper filters

BUNN paper filters should be used

 

 

for proper extraction.

 

2. Coffee

A sufficient quantity of fresh drip

 

 

or regular grind should be used for

 

 

proper extraction.

 

3. Sprayhead

B.O.M. sprayhead should be used

 

 

to properly wet the bed of ground

 

 

coffee in the funnel.

 

4. Funnel Loading

The BUNN paper filter should be

 

 

centered in the funnel and the bed

 

 

of ground coffee leveled by gentle

 

 

shaking.

 

5. Water temperature

Empty the server, remove its cover,

 

 

and place the server beneath the

 

 

sprayhead. Place empty funnel over

 

 

the server entrance, with ON/OFF

 

 

switch in the "ON" position press the

 

 

Brew switch and release it. Check

 

 

the water temperature immediately

 

 

below the sprayhead with a ther-

 

 

mometer. The reading should not

 

 

be less than 195˚F (91˚C).

Page 50

35058.1 071205

 

TROUBLESHOOTING (cont.)

 

Problem

Possible Cause

Weak beverage (cont.)

6. Incorrect Recipe

Brewer is making unusual noises.

1. Solenoid (Inlet)

2. Plumbing lines

3. Water Supply

4. Tank Heaters.

Troubleshooting Procedures

Consider adjusting bypass percentage, preinfusion, or pulse brew. Contact Bunn-O-Matic for suggestions.

The nut on back of the solenoid must be tight or it will vibrate during operation

Plumbing lines should not be resting on the counter top.

(A)The brewer must be connected to a cold water line.

(B)Water pressure to the brewer must not be higher than 90 psi (620 kPa). Install a regulator if necessary to lower the working pressure to approximately 50 psi (345 kPa).

Remove and clean lime off tank heaters.

Page 51

35058.1 071205

 

L1

 

SCHEMATIC WIRING DIAGRAM

 

 

 

 

 

 

 

 

L2

N

LIMIT THERMOSTAT

 

DUAL TF DBC BREWWISE

TRIAC

MT 1

R

 

 

 

 

 

 

 

 

 

 

E

BLK-14

 

 

 

 

 

 

BLK-14

MT2

 

 

BLU-14 RIGHT

 

 

 

 

 

 

 

 

D

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

-

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

TANK HEATER

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1

LIMIT THERMOSTAT

 

TRIAC

 

 

 

 

 

 

 

 

 

4

 

 

 

 

 

 

 

 

LEFT

 

BLK-14

 

 

 

 

BLK-14

MT2

 

 

MT 1 BLU-14

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

TANK HEATER

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

SWITCH UNIT ASSY

L2

L1

L4

L5

L6

L7

L8

L3

C1

C2

D1

C3

D2

A1

D3

A2

B1

A3

B2

A4

C4

C5

C6

SHIELD 1

LEFT

FUNNEL SENSOR

VIO

WHI/VIO

RIGHT

FUNNEL SENSOR

YEL

WHI/YEL

WATER LEVEL

TEMP PROBE

PROBE

 

 

J4-1

J4-5

J4-10

J4-15

 

J9-1

 

 

 

 

J9-5

 

 

 

WHI

J2-1

 

CONTROL PC BOARD

 

 

 

 

 

PNK

BLK

J2-5

GRN

J2-10

 

Switch Unit Assembly Codes

A1

Left Brew

C3

Left Small Batch

A2

Left On/Off

C4

Right Large Batch

A3

Right On/Off

C5

Right Medium Batch

A4

Right Brew

C6

Right Small Batch

B1

"Hidden" Left

D1

"Digital" Left Hidden Button

B2

"Hidden" Right

D2

"Brewer" Center Hidden Button

C1

Left Large Batch

D3

"Control" Right Hidden Button

C2

Left Medium Batch

 

 

 

LED's

L1

Left Large Batch LED

L2

Left Medium Batch LED

L3

Left Small Batch LED

L4

Left On/Off LED

L5

Right On/Off LED

L6

Right Large Batch LED

L7

Right Medium Batch LED

L8

Right Small Batch LED

20

19-J4 J11-1

J11-5

J11-10

J11-18

 

 

 

 

VIO

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

SOL

 

 

 

REFILL

R. BYPASS

WHI

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

WHI/ORA

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

SOL

 

 

 

 

WHI

 

 

 

 

 

WHI/GRN

 

 

SOL

 

 

 

L. BYPASS

 

WHI

 

 

 

 

 

ORA

 

 

 

 

 

 

 

 

SOL

 

 

 

R. BREW

 

WHI

 

 

 

 

 

GRY

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

SOL

 

 

L. BREW

 

WHI

 

 

 

 

 

TAN

 

 

RED

 

 

 

 

RED

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

N.C.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

TAN

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

OVERFLOW

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

YEL

 

 

 

 

 

 

 

 

 

 

 

 

 

BLK

 

 

PROTECTON SWITCH

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

WHI

BRN/WHI

BRN/BLK

SOL

BLU

L. FUNNEL LOCK

BLU/BLK

SOL

R. FUNNEL LOCK

120/240 OR 120/208

 

VOLT A.C.

 

SINGLE PHASE

34916.0000A 10/02 © 2002 Bunn-O-Matic Corporation

Page 52

35058.1 071205

 

L1

 

 

 

 

 

 

 

 

 

 

 

SCHEMATIC WIRING DIAGRAM

 

 

 

 

 

 

 

 

 

 

L2

L3 N

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

DUAL TF DBC BREWWISE

 

 

 

 

 

 

 

 

 

 

R

 

B

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

D

 

U

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

E

 

L

 

RIGHT LIMIT

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

-

-

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

RIGHT

1

1

 

THERMOSTAT

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

4

4

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

TANK HEATER

BLK-14

 

 

 

 

 

BLK-14

 

 

 

 

 

 

 

 

 

 

 

BLK-14

 

 

 

 

 

 

 

 

 

 

 

BLU-14

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

LEFT LIMIT

 

 

 

 

 

 

 

 

 

 

N.O.

 

 

 

 

TRIAC

 

 

 

 

 

LEFT

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

THERMOSTAT

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

MT2

 

 

 

MT1 BLU-14

TANK HEATER

RED-14

 

 

BLK-14

 

 

 

 

 

BLK-14

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CENTER

 

 

 

 

 

 

 

CENTER LIMIT

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

THERMOSTAT

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

RED-14

TANK HEATER

BLU-14

 

 

 

 

 

BLU-14

 

 

 

 

BLU-14

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

N.O.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

SWITCH UNIT ASSY

L2

L1

L4

L5

L6

L7

L8

L3

C1

C2

D1

C3

D2

A1

D3

A2

B1

A3

B2

A4

C4

C5

C6

SHIELD

1 20

 

 

 

 

 

 

LEFT

VIO

 

-J41

-J45

10-J4

15-J4

 

 

FUNNEL SENSOR

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

J9-1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

WHI/VIO

 

 

 

 

 

 

 

 

 

 

 

RIGHT

 

 

 

 

 

 

 

 

FUNNEL SENSOR

YEL

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

WHI/YEL

 

J9-5

CONTROL PC BOARD

 

 

 

 

 

 

 

 

 

 

 

 

WHI

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

J2-1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

PNK

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

BLK

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

J2-5

 

 

 

WATER LEVEL

TEMP PROBE

 

 

 

 

 

 

PROBE

 

 

 

 

 

 

 

 

 

GRN

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

J2-10

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Switch Unit Assembly Codes

 

 

 

 

A1

 

 

Left Brew

C3

 

Left Small Batch

 

 

 

 

A2

 

 

Left On/Off

C4

 

Right Large Batch

 

 

 

A3

 

 

Right On/Off

C5

 

Right Medium Batch

 

 

 

A4

 

 

Right Brew

C6

 

Right Small Batch

 

 

 

B1

 

 

"Hidden" Left

D1

 

"Digital" Left Hidden Button

 

 

 

B2

 

 

"Hidden" Right

D2

 

"Brewer" Center Hidden Button

 

 

 

C1

 

 

Left Large Batch

D3

 

"Control" Right Hidden Button

 

 

 

C2

 

 

Left Medium Batch

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

LED's

 

 

 

 

 

 

 

 

 

 

 

L1

Left Large Batch LED

 

 

 

 

 

 

 

 

 

L2

Left Medium Batch LED

 

 

 

 

 

 

 

 

 

L3

Left Small Batch LED

 

 

 

 

 

 

 

 

 

L4

Left On/Off LED

 

 

 

 

 

 

 

 

 

L5

Right On/Off LED

 

 

 

 

 

 

 

 

 

L6

Right Large Batch LED

 

 

 

 

 

 

 

 

 

L7

Right Medium Batch LED

 

 

 

 

 

 

 

 

 

L8

Right Small Batch LED

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

J4-20

J11-1

 

RED/BLK

 

 

 

 

 

 

VIO

 

 

 

 

 

 

WHI/ORN

 

 

 

 

 

 

 

 

J11-5

 

WHI/GRN

 

 

 

 

ORN

 

 

 

 

 

 

 

 

 

 

GRY

 

 

 

J11-10

 

T AN

 

 

 

 

YEL

 

 

 

 

 

 

 

 

 

 

BLK

 

 

 

WHI

BRN/WHI

BRN/BLK

BLU

BLU/BLK

J11-18

120/240 OR 120/208

VOLT A.C.

4 WIRE 3-PHASE

 

SOL

REFILL

 

WHI

 

 

 

 

 

 

 

CONTACTOR

 

 

WHI

K

 

 

 

 

 

R. BYPASS

 

 

 

SOL

WHI

 

 

 

L. BYPASS

 

 

 

 

 

 

WHI

SOL

 

 

 

R. BREW

 

 

 

SOL

 

 

WHI

 

 

 

 

L. BREW

 

 

 

SOL

 

WHI

 

 

 

 

 

 

 

RED

RED

 

 

 

N.C.

 

 

 

 

OVERFLOW

 

 

 

 

PROTECTION SWITCH

L. FUNNEL LOCK

SOL

R. FUNNEL LOCK

SOL

34916.0001B 03/03 © 2002 Bunn-O-Matic Corporation

Page 53

35058.1 071205

 

 

 

 

 

 

 

 

 

 

 

SCHEMATIC WIRING DIAGRAM

 

 

 

 

 

 

 

 

 

 

DUAL TF DBC BREWWISE

L1

 

BLK

 

 

 

 

 

 

GRN/YEL

 

RED

 

L2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

BLK

 

 

 

 

 

 

 

RED

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

EMI

 

 

 

 

 

 

 

 

FILTER

 

 

 

 

 

 

BLK

 

 

 

 

 

 

 

RED

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

BLK

 

 

 

 

 

 

 

 

 

 

 

 

RED

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

RIGHT

 

 

 

 

 

 

 

 

 

 

 

 

TRIAC

LIMIT THERMOSTAT (1/2)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

MT2

 

 

 

BLK-14

BLK-14

 

 

 

 

 

 

 

 

 

 

 

LEFT

 

 

 

 

 

 

 

 

 

TRIAC

 

 

LIMIT THERMOSTAT (1/2)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

MT2

 

 

MT 1

BLU-14

BLK-14

BLK-14

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

SWITCH UNIT ASSY

 

 

L2

L1

L4

L5

L6

L7

L8

L3

 

 

 

 

 

 

 

 

 

 

 

 

C1

C2

D1

C3

D2

A1

D3

A2

MT1

 

 

 

 

RIGHT LIMIT

R

 

 

 

 

THERMOSTAT (1/2)

BLU-14

 

 

RIGHT

 

 

 

E

 

 

 

 

 

 

 

 

 

 

 

D

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

-

 

 

TANK HEATER

 

 

 

 

 

 

 

 

 

 

LEFT LIMIT

1

 

 

 

 

 

4

THERMOSTAT (1/2)

LEFT

TANK HEATER

B1

A3

B2

A4

C4

C5

C6

SHIELD

1 20

LEFT

FUNNEL SENSOR VIO

WHI/VIO

RIGHT

FUNNEL SENSOR YEL

WHI/YEL

 

J4-1

J4-5

J4-10

 

J9-1

 

 

 

J9-5

 

 

WHI

J2-1

 

CONTROL PC BOARD

 

 

 

PNK

BLK

 

 

 

J2-5

WATER LEVEL

TEMP PROBE

 

 

 

 

 

PROBE

 

GRN

 

 

 

 

 

 

 

J2-10

 

Switch Unit Assembly Codes

A1

Left Brew

C3

Left Small Batch

A2

Left On/Off

C4

Right Large Batch

A3

Right On/Off

C5

Right Medium Batch

A4

Right Brew

C6

Right Small Batch

B1

"Hidden" Left

D1

"Digital" Left Hidden Button

B2

"Hidden" Right

D2

"Brewer" Center Hidden Button

C1

Left Large Batch

D3

"Control" Right Hidden Button

C2

Left Medium Batch

 

 

 

 

LED's

 

 

L1

Left Large Batch LED

 

L2

Left Medium Batch LED

 

L3

Left Small Batch LED

 

L4

Left On/Off LED

 

L5

Right On/Off LED

 

L6

Right Large Batch LED

 

L7

Right Medium Batch LED

 

L8

Right Small Batch LED

J4-15

J4-19

J11-1

J11-5

J11-10

J11-18

 

 

 

 

 

 

VIO

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

SOL

 

 

 

 

 

REFILL

RED

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

WHI/ORA

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

SOL

 

 

 

R. BYPASS

RED

 

 

 

 

 

 

 

WHI/GRN

 

 

SOL

 

 

 

 

L. BYPASS

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

RED

 

 

 

 

 

 

 

ORA

 

 

 

 

 

 

 

 

 

SOL

 

 

 

 

R. BREW

RED

 

 

 

 

 

 

 

GRY

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

SOL

 

 

 

 

L. BREW

RED

 

 

 

 

 

 

 

TAN

 

 

RED

 

 

 

 

 

RED

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

N.C.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

TAN

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

OVERFLOW

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

YEL

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

BLK

 

 

PROTECTION SWITCH

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

WHI

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

BRN/WHI

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

BRN/BLK

 

 

 

 

 

 

 

 

 

 

SOL

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

BLU

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

L. FUNNEL LOCK

 

 

 

 

 

 

 

 

BLU/BLK

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

SOL

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

R. FUNNEL LOCK

 

 

200/230 VOLT A.C.

 

2 WIRE

 

SINGLE PHASE

34839.0000A 06/03 © 2003 Bunn-O-Matic Corporation

Page 54

35058.1 071205

 

1-JPage 55

L35058214 071205

SCHEMATIC WIRING DIAGRAM

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