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Page 66

MEMORY

BOARD

SCHEMATIC WIRING DIAGRAM ICB TWIN

37299.0001C 02/07 ©2005 BUNN-O-MATIC CORPORATION

BLU-14

BLU-14

LIMIT

THERMOSTAT

WHI

WHI

WHI/RED

WHI/YEL

WHI

WHI

REFILL

RIGHT

DISPENSE

J21-1

J21-3

J17-1

J17-5

J15-1

J15-5

J17-10

J17-14

C

O

N

T

R

O

L

P

C

B

O

A

R

D

COM

N.O.

YEL

BLK-14

BLU-14

WHI/GRN

WHI/BLU

WHI

RIGHT

FUNNEL SENSOR

120/208 OR 120/240

VOLTS AC

3 WIRE + GND

SINGLE PHASE

BLU-14

LIMIT

THERMOSTAT

BLU-14

BLK

BLK

RED

WHI

GRN

CONTROL PANEL ASSY

J2-1

1

22

J2-5

J2-15

J2-20

J2-22

J2-10

PROG

“Control”

PROG

“Brewer”

PROG

“Digital”

RIGHT

BREW

A

LEFT

PROG

RIGHT

BREW

B

STATIC

SHIELD

J3-1

J3-8

J3-5

BLK

PNK

WHI

GRN

LEVEL

PROBE

t

GRY

RED-14

TANK HEATER

RED-14

TANK HEATER

J13-1

LEFT

BYPASS

SOL

SOL

LEFT

FUNNEL LOCK

(Optional)

BRN/BLK

BRN/WHI

SOL

RIGHT

FUNNEL LOCK

(Optional)

BLU

BLU/BLK

SOL

SOL

WHI

RIGHT

BYPASS

SOL

WHI

ORN

LEFT

DISPENSE

SOL

TRANSFORMER

10VA

J16-1

J16-5

1

3

WHI/VIO

J20-1

J20-3

VIO

LEFT

FUNNEL SENSOR

1

3

LEFT

FULL

LEFT

FULL

LEFT

HALF

LEFT

HALF

LEFT

ON/OFF

LEFT

ON/OFF

RIGHT

BREW

C

LEFT

BREW

A

RIGHT

PROG

LEFT

BREW

C

RIGHT

FULL

RIGHT

FULL

RIGHT

HALF

RIGHT

HALF

RIGHT

ON/OFF

RIGHT

ON/OFF

LEFT

BREW

B

White Strip-Tac Plus

Black Ink

Finished Size: 6.0" x 10.50"

~75% Reduction

GRN

BLK-18

N

L1

L2

WHI

BLK

RED

BLK-14

MAIN ON/OFF SWITCH

(Late Models only)

(Early Models only)

38112.1 090407

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Содержание ICB-TWIN

Страница 1: ...217 529 6644 To obtain the Illustrated Parts Catalog visit the Bunn O Matic website at www bunn com This is absolutely FREE and the quickest way to obtain the catalog Contact Bunn O Matic Corporation...

Страница 2: ...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 con...

Страница 3: ...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 temperatur...

Страница 4: ...Fire Use a UL listed grounding type attachment plug rated 125 250 Vac 30 A 1 phase 4 conductor Plug to be selected and installed only by qualified service personnel 38125 0000A 04 05 2005 Bunn O Matic...

Страница 5: ...sconnected from the power source If plumbing has been hooked up the brewer is ready for Initial Set Up 38112 1 030508 120 208 120 240V ac single phase models Note This electrical service consists of 3...

Страница 6: ...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 restr...

Страница 7: ...into the programming menus Pressing and releasing the pad steps through each function screen while in the programming mode E BATCH SELECTOR PADS Pressing the pad corresponding to the Half or Full batc...

Страница 8: ...y server under the funnel 3 Connect the brewer to the power source Make sure the corresponding ON OFF switch is ON LED will be lit 4 Water will flow into the tank and stop when the tank is filled to i...

Страница 9: ...l using the G9 2T DBC or MHG with Smart Funnel operation and level the grounds by gently shaking 4 Slide the funnel into the funnel rails of the selected side The brewer will read the coffee name and...

Страница 10: ...from brewer Disassemble by removing the seal 4 Use the pointed end of sprayhead cleaning tool to remove any mineral deposits from the sprayhead holes 5 Insert the long end of sprayhead cleaning tool...

Страница 11: ...h has not been brewed before the set time has expired FUNNEL LOCK A solenoid controlled plunger locking mechanism which engages when a brew cycle has begun preventing the removal of the funnel until e...

Страница 12: ...brewer and the companion DBC or MHG Grinder SANITATION MODE If enabled the brewer will display a message after a set amount of time indicating the ma chine needs cleaning and sanitizing STANDARD RECI...

Страница 13: ...the left of the display This is used to scroll backwards through the function list c Digital This is used to select options that appear on the display during programming d Brewer This is used to selec...

Страница 14: ...wer 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...

Страница 15: ...READY DEGREE 5 DONE ENABLE ADS NO DONE YES ENABLE SANITATION NO DONE YES ENABL ENERGYSAVR NO DONE YES ENABLE FRESH TIMER NO DONE YES XX REFILL XXX DONE L SPRY OZ M XX X DONE L BYPS OZ M XX X DONE CAL...

Страница 16: ...hidden button Release when the display reads PROGRAMMING THE BREWER cont 2 The YES or NO should be flashing Select YES to prevent brewing if the water temperature is below the set READY temperature S...

Страница 17: ...ill change to CHANGE LANGUAGE To convert the display to the new language press YES To retain the current language press NO 4 The display should now read UNITS To exit programming and return to the MAI...

Страница 18: ...flashing 2 Select METRIC to have settings displayed in Metric units Select ENG to have setting displayed in English units NOTE Changing the UNIT settings will restore ALL settings to Factory Default...

Страница 19: ...her ON OFF pad to exit the programming mode and return to the MAIN SCREEN REVIEW RECIPES NO YES NO NAME COFFEE MODIFY SHOW NEXT REGULAR MODIFY SHOW NEXT RECIPE NAME MODIFY SHOW NEXT THAT WAS THE LAST...

Страница 20: ...Using and scroll through the stored recipes in the brewer s memory until the desired recipe name is reached 7 Press and release DONE to set that recipe for the left side brew button B 8 Thedisplaysho...

Страница 21: ...ENSING COIL on the brewer reads the information contained in the handle The name of the coffee flavor will then ap pear on the display This allows the operator to set the BREWVOLUME BYPASS PULSEBREWTI...

Страница 22: ...ess and release YES The display should read INSERT FUNNEL WITH NEW NAME then QUIT SETUP These two displays will repeatedly cycle 5 Insert the funnel into the rails on the brewer The display should rea...

Страница 23: ...setting the PULSE BREW and to use the FACTORY DEFAULTS press NO to proceed to the DRIP TIMES function 20 ThedisplayshouldnowreadDRIPTIME alongwith eitherthewordOFForatimeshowing Abatchlight will also...

Страница 24: ...so that the top end of the CHIP is beneath the SENSING COIL located on the underneath side of the front display panel 3 AfterashortpausethedisplaywillreadCARDCON TAINS RECIPE FOR then will change to C...

Страница 25: ...s that no recipe name was read from the funnel s handle For instructions on programming the standard recipe settings refertotheREVIEWRECIPESfunctiononpage 26 Thesamestepsarefollowedforsettingthestanda...

Страница 26: ...r the grounds for that particular batch size 6 Whenfinished presstheotherbatchsizeandrepeat step 5 7 When finished setting both batch sizes press and release DONE The display should read 2 BATCHES DON...

Страница 27: ...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 percentag...

Страница 28: ...INITIAL SPRAY ALTERNATES UNTIL BREW CYCLE IS COMPLETED PRE INFUSION REMAINING ON ON TIME OFF TIME OFF TIME OFF TIME OFF TIME ON TIME ON TIME P2293 These three times can be set two different ways The...

Страница 29: ...will be blinking Press and release the batch size to be modified 12 Using and set the total brew time desired including spray times and off times 13 Whenfinished presstheotherbatchsizeandrepeat step...

Страница 30: ...ss and release the batch size to be modified 12 Using and adjust the 1ST ON TIME 13 Whenfinished presstheotherbatchsizeandrepeat step 12 NOTE To disable pulse brew set 1st ON TIME to OFF 14 When finis...

Страница 31: ...ASY NEXT MANUAL SET BOTH BATCH SIZES IF NO RETURN TO 1ST ON TIME SET BREW OZ XX X AND BYPASS WHEN BOTH BATCHES ARE DONE PRESS YES TO ADVANCE TO SET PULSE BREW 1ST ON TIME X XX DONE OFF TIME X XX DONE...

Страница 32: ...ld now read 2 BATCHES DONE 8 Press and release YES The display will read SET PULSE BREW 9 Press and release NO The display should now read DRIP TIME and a batch light should be flashing 10 Using the a...

Страница 33: ...o 205 F 85 96 C 1 Press and hold the right hidden button until the display reads SET LANGUAGE Press the right hidden button until the display reads SET TEMP 2 Using and adjust the brew and faucet tem...

Страница 34: ...ocedure to set ready temperature Range 2 to 20 F 2 to 10 C 1 Press and hold the right hidden button until the dis play reads SET LANGUAGE Press the right hidden button until the display reads READY DE...

Страница 35: ...The ad will be written in two steps first the top line then the bottom line 9 To write the top line of a new ad press and release YES To skip the top line and only write a bottom line press and relea...

Страница 36: ...ETUP COMPLETE and then will advance to to next pro gramming function ENABLE SANITATION ENABLE ADS NO DONE YES NEW AD CARD NO WRITE WITH NO FLASHING PRESS DONE TO DIS ABLE THIS FUNCTION AND ADVANCE TO...

Страница 37: ...nd release either ON OFF pad 6 If YES was selected the display should now read X X HRS CLEAN This screen allows the opera tor to set the amount of time from when a brew is completed until a sanitize a...

Страница 38: ...EEN press and release either ON OFF pad 6 If YES was selected the display should now read X X HRS IDLE This screen allows the operator to set the amount of time the brewer is not in use before nap mod...

Страница 39: ...elease either ON OFF pad 6 If YES was selected the display should now read COFFEE This screen allows the operator to set the amount of time from the end of brewing a batch of coffee until a Freshness...

Страница 40: ...the tank is touching the refill probe 1 Press and hold the right hidden button until the display reads SET LANGUAGE Press the right hidden button until the display reads REFILL and shows a number on b...

Страница 41: ...display reads L SPRY OZ M The number represents what the brewer thinks is the flow rate out of the left sprayhead 2 If the actual flow rate of the sprayhead is known but is different than the number o...

Страница 42: ...play reads L BYPS OZ M The number represents what the brewer thinks is the flow rate out of the left bypass nozzle 2 If the actual flow rate of the bypass is known but is different than the number on...

Страница 43: ...on the side to be cali brated to begin the sprayhead flow for calibration The display should read CALIBRATE SPRAY 60 SECTOFINISH The60 secondtimeronthedisplay will count down to zero When the counter...

Страница 44: ...S 60 SEC TO FINISH The 60 second timer on the display will countdowntozero Whenthecounterreacheszero the display will changes to LEFT or RIGHT OZ M along with a number 6 Measure the amount of water in...

Страница 45: ...ew cycles this brewer has completed This counter is non resettable Press NEXT to advance to the next brew counter BREW A left side 3 This counter represents the number of brews for Brew A on the left...

Страница 46: ...asset number 1 Press and hold the right hidden button until the display reads SET LANGUAGE Press the right hidden button until the display reads ENTER ASSET 2 Press and release YES The display will n...

Страница 47: ...LANGUAGE Press the right hidden button until the display reads ENTER SERVICE 2 Press and release YES The display will now read SCROLTHRU SNEXT NEXTNUMBER followed by 000 000 0000 UP TO 16 CHARACTERS A...

Страница 48: ...previous one 8 The display should now read BYPASS VALVE Totesttheleftbypassvalve pressON Ifthebypass valve is functional water should run from the left funnel 9 Press OFF to end the flow of water 10...

Страница 49: ...OFF BYPASS VALVE ON NEXT OFF FUNNEL LOCK ON NEXT OFF PRESSING NO WILL ADVANCE TO FACTORY DEFAULTS BREW VALVE ON NEXT OFF BYPASS VALVE ON NEXT OFF FUNNEL LOCK ON NEXT OFF PRESSING NO WILL ADVANCE TO T...

Страница 50: ...T and then NOTHING PRESSED 4 From this screen press any of the switches on the front of the brewer While the switch is pressed the display shows the name of that switch If the name does not appear or...

Страница 51: ...dvance to TEST SWITCHES 3 Press and release NO to advance to TEST FRE QUENCY 4 The display should now show the frequency of the sensor coil circuits This is for diagnostic service use when troubleshoo...

Страница 52: ...WILL REPLACEALLBREWSETTINGSfollowedwithARE YOU SURE 3 Pressing NO in this confirmation screen will revert to the MAIN SCREEN without resetting the brew ing setups to the defaults Press YES to load the...

Страница 53: ...rew C BREAKFAST BLEND REGULAR RECIPE BREW VOLUMES Half Batch 64 OZ Full Batch 128 OZ BYPASS Half Batch 0 Full Batch 20 PULSE BREW TIMES Half Batch Manual 40 10 09 Full Batch Manual 40 07 22 DRIP OUT T...

Страница 54: ...20 PULSE BREW TIMES Half Batch Manual 40 10 09 Full Batch Manual 40 07 22 DRIP OUT TIMES Half Batch 1 00 Full Batch 1 30 Set Temp 200 Ready Degree 5 Enable Ads Disabled Enable Sanitation Disabled Ena...

Страница 55: ...ent 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 va...

Страница 56: ...or Probe wire s broken or not making con nection 1 Temperature Sensor Probe wire s shorted to housing or to each other 1 No power or incorrect voltage A Wait for the brewer to heat to the proper tempe...

Страница 57: ...the test switch procedures on page 50 Test the BREW switch Refer to the test switch procedures on page 50 Testthebrewvalve Refertothetest outputs procedures on page 48 Substitute a control board know...

Страница 58: ...for extremewaterconditions verypure low conductance water requires a higher setting while high mineral content high conductance water requires a lower setting Note that theleftnumberchangesfromahigh...

Страница 59: ...nd drain water down in the tank untilflowstopsorslowstoatrickle Attach a voltmeter to the terminals of the refill solenoid Connect the brewer to the power source Press theON OFFswitchtoturnthebrewer o...

Страница 60: ...ll automatically be turned on to fill the tank The right numberisthethresholdsettingand can be adjusted to compensate for extremewaterconditions verypure low conductance water requires a higher settin...

Страница 61: ...t 60 F 16 C the reading should be 15 3k 2k OHMS at 70 F 21 C the reading should be 11 8k 2k OHMS and at 80 F 27 C the reading should be 9 3k 2k OHMS If the probe is withintheseparameters reconnect to...

Страница 62: ...of approximately 70 F 21 C Connect an ohmmeter to the pins in the connector At 60 F 16 C the reading should be 15 3k 2k OHMS at 70 F 21 C the reading should be 11 8k 2k OHMS and at 80 F 27 C the read...

Страница 63: ...lime buildup If bypass is being used on the in consistent brewing recipe test the bypass valve Refer to test outputs on page 48 Turn the valve on for 30 seconds and collect the water collected from t...

Страница 64: ...desired volume for each brew cycle The mounting screws on the so lenoids must be tight or they will vibrate during operation Plumbinglinesshouldnotberesting on the countertop The brewer must be conne...

Страница 65: ...in the funnel and the bed of grounds leveled by gently shak ing Empty the server remove its cover and place the server beneath the sprayhead Placeemptyfunnelover theserverentrance notinthefunnel rail...

Страница 66: ...ROG Brewer PROG Digital RIGHT BREW A LEFT PROG RIGHT BREW B STATIC SHIELD J3 1 J3 8 J3 5 BLK PNK WHI GRN LEVEL PROBE t GRY RED 14 TANK HEATER RED 14 TANK HEATER J13 1 LEFT BYPASS SOL SOL LEFT FUNNEL L...

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