Bunn Coffeemaker IC3B User Manual

IC3 & IC3B  
ICED COFFEE BREWERS  
INSTALLATION & OPERATING INSTRUCTIONS  
INTRODUCTION  
This equipment will brew a batch of fresh coffee into an awaiting vessel and dispense at approximately room tempera-  
ture to conserve ice. The brewer is only for indoor use on a sturdy counter or shelf and requires a minimum of 33 inches  
of clearance above the counter.  
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-O-MATIC CORPORATION  
POST OFFICE BOX 3227  
SPRINGFIELD, ILLINOIS 62708-3227  
PHONE: (217) 529-6601 FAX: (217) 529-6644  
10792.0000 07/03 ©1994 Bunn-O-Matic Corporation  
Electrical Hook-Up  
CAUTION – Improper electrical installation will damage electronic components.  
1. An electrician must provide electrical service as specified.  
2. Remove the top lid and rotate the control thermostat knob fully counterclockwise to the “OFF” position and  
reinstall the top lid.  
3. Remove the rear trunk panel, feed the cord through the strain relief at the rear of the brewer and connect it to  
the terminal block.  
4. Using a voltmeter, check the voltage and color coding of each conductor at the power source.  
5. Connect the brewer to the power source and verify the voltage at the terminal block and reinstall the rear  
trunk 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 – The brewer must be electrically grounded using the green screw near the terminal block. Do not  
assume a plumbing line will provide an adequate ground.  
PLUMBING REQUIREMENTS  
This brewer must be connected to a cold water system with operating pressure between 30 (207 kPa) and 90  
1
psi (620 kPa) from a 2" or larger supply line. A shut-off valve should be installed in the line before the brewer.  
Install a regulator in the line when pressure is greater than 90 psi(620 kPa) to reduce it to 50 psi (345 kPa). The  
1
water inlet fitting is 4" flare.  
1
3
NOTE - Bunn-O-Matic recommends 4" copper tubing for installations of less than 25 feet and 8" for more than  
1
25 feet from the 2" water supply line. A tight coil of copper tubing in the water line will facilitate moving the  
brewer to clean the countertop. 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. Attach the female fitting from the short piece of tubing on the strainer assembly (supplied) to the water inlet  
fitting on the rear of the brewer.  
2. Flush the water line and securely attach it to the flare fitting on the strainer assembly.  
3. Turn on the water supply.  
INITIAL SET-UP  
CAUTION - The brewer must be disconnected from the power source throughout the initial set-up, except when  
specified in the instructions.  
1. Remove the top lid from the brewer.  
2. Rotate the control thermostat knob fully counterclockwise to the "OFF" position and replace the top lid.  
3. Insert an empty funnel into the funnel rails.  
4. Place an empty dispenser on the brewer base. Be prepared to empty the dispenser during these initial steps.  
5. Plug in the brewer, place the ON/OFF switch in the "ON" position, and momentarily press the START switch.  
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INITIAL SET-UP (cont.)  
Water will flow into the tank and dispenser for five minutes and forty-five seconds. Empty the dispenser  
when this first cycle stops and press the START switch again. Empty the dispenser when the second cycle  
stops and press the START switch once more. During the third cycle, the tank will fill to its capacity and the  
excess will flow from the funnel into the dispenser. Empty the dispenser when this third cycle stops.  
6. Disconnect the brewer from the power source, remove the rear trunk panel, and turn the handle on the needle  
valve approximately one-quarter turn counterclockwise to enable the flow of dilution water. This valve is fully  
closed at the factory.  
NOTE - The next step requires the use of a stopwatch to calculate the amount of dilution water flowing from the  
nozzle in one minute. You’ll need to capture and measure the timed dilution water in a separate vessel than  
the one used for the water flowing from the funnel.  
7. Place a vessel under the brew funnel to catch the brew water. Use a hose or other means to divert the water  
from the dilution nozzle to a separate container.  
8. Connect the brewer to the power source. Simultaneously press the start switch to begin another brew cycle  
and start the stop watch. Place the ON/OFF switch in the “OFF” position at exactly sixty-seconds (one-  
minute). When the flow of water stops, measure the volume of the captured dilution water. It should be  
approximately twenty-two ounces.  
9. If not, disconnect the brewer from the power source, and adjust the handle on the needle valve clockwise to  
decrease the amount of water or counterclockwise to increase the amount of dilution water as required.  
10. Repeat steps 8 & 9 until the recommended dilution water volume (twenty-two ounces) is achieved.  
11. Disconnect the brewer from the power source and reinstall the rear trunk panel.  
12. Unplug the brewer, remove the top lid, rotate the control thermostat knob fully clockwise to the "ON" position  
and replace the top lid.  
13. Empty the dispenser.  
14. Connect the brewer to the power source and wait for the ready light to glow indicating the water in the tank  
has heated to brewing temperature (approximately 20 minutes). Some water will drip from the funnel during  
this time; this is due to expansion and should not occur thereafter.  
15. Begin another brew cycle and measure the total water volume from the dispenser. It should be approximately  
3 gallons and 12 ounces. (396 ounces).  
16. If not adjust the timer as required. See Adjusting Brew Volumes.  
17. Start, and measure another cycle.  
18. Repeat steps 16-17 until the recommended total water volume is achieved.  
19. The brewer is now ready to brew a batch of freshly brewed room temperature coffee.  
ADJUSTING BREW VOLUMES  
CAUTION - Disconnect the power source from the brewer prior to the removal of any panel for the replacement  
or adjustment of any component.  
NOTE: Prior to setting or modifying batch sizes, check that the brewer is connected to water supply, the tank is  
properly filled, and a funnel and server are in place.  
1. Modifying batch sizes. To modify a batch volume, first check that the SET/LOCK switch is in the “SET”  
position on the circuit board.  
To increase a batch size. Press and hold the START or BREW switch until three clicks are heard. Release the  
switch (Failure to release the switch within two seconds after the third click causes the volume setting to be  
aborted and previous volume setting will remain in memory) and press it again one or more times. Each time  
the switch is pressed, two seconds are added to the brew time period. Allow the brew cycle to finish in order  
to verify that the desired volume has been achieved.  
To decrease a batch size. Press and release the START or BREW switch once for every two-second interval  
10792 091701  
Page 4  
ADJUSTING BREW VOLUMES (cont.)  
to be removed from the total brew time period; then immediately press and hold down the START or BREW  
switch until three clicks are heard. Release the switch. (Failure to release the switch within two seconds after  
the third click causes the volume setting to be aborted and previous volume setting will remain in memory).  
Allow the brew cycle to finish in order to verify that the desired volume has been achieved.  
2. Setting batch sizes. To set a batch volume, first check that the SET/LOCK switch is in the “SET” position on  
the circuit board. Press and hold the START or BREW switch until three distinct clicks are heard (approxi-  
mately 10 seconds) and then release the switch. (Failure to release the switch within two seconds after the  
third click causes the volume setting to be aborted and previous volume setting will remain in memory). View  
the level of the liquid being dispensed. When the desired level is reached, turn the ON/OFF switch to “OFF”  
(lower). The brewer remembers this volume and will continue to brew batches of this size until the volume  
setting procedure is repeated.  
NOTE: When brewing tea, batch volumes will decrease due to absorption by the tea leaves.  
3. Setting programming disable feature. If it becomes necessary to prevent anyone from changing brew times  
once programmed, you can set the SET/LOCK switch to the “LOCK” position. This will prevent any program-  
ming to be done until switch is once again placed in the “SET” position.  
CLEANING  
CAUTION - Clean and sanitize your iced coffee brewer daily  
1. Remove and thoroughly clean the entire brew funnel. The funnel must be free from any coffee particles or  
residue.  
2. Disconnect the brewer from the power source. Remove and thoroughly rinse the sprayhead. Wipe the  
sprayhead panel clean with a damp cloth.  
3. Insert the deliming spring into the sprayhead fitting until no more than one inch is visible and move it in and  
out 5 or 6 times. Insert the spring into the airvent hole in the sprayhead panel and move it in and out 5 or 6  
times. Reattach the sprayhead.  
4. Wash the entire outside surface of the brewer with a clean damp cloth.  
CAUTION - Do not keep brewed coffee overnight. The dispenser must be cleaned and sanitized daily.  
OPERATING CONTROLS  
A. Lighted On/Off Switch  
ON - Placing the switch in the lighted upper position allows the start switch to activate a brew cycle.  
OFF - Placing the switch in the lower position stops the brew cycle. Stopping a brew cycle after it has been  
started will not stop the flow of water into the funnel until the tank syphons down to its proper level.  
NOTE - The switch should always be placed in the “OFF” position after a brew cycle and whenever the brewer is  
unattended.  
B. Full/Half Batch Selector Switch  
Full - Placing the switch in the upper position produces a full batch of room temperature coffee from the brew  
cycle.  
Half - Placing the switch in the lower position produces half of a full batch of room temperature coffee from the  
brew cycle.  
C. Start Switch  
Starts a brew cycle when the lighted On/Off switch is in the “ON” position.  
10792 091701  
Page 5  
COFFEE BREWING  
1. Begin each brew cycle with a clean empty brew funnel and dispenser. (Be sure the dispenser lid doesn’t  
interfere with the flow of dilution water.)  
®
2. Insert a BUNN 3-gallon urn filter into the funnel.  
3. Pour the recommended amount of fresh coffee into the filter.  
4. Level the bed of coffee grounds by gently shaking.  
5. Slide the funnel into the funnel rails until it stops.  
6. Place the On/Off switch in the lighted “ON” position.  
7. Place the batch selector switch in the desired position.  
8. Momentarily press the start switch.  
CAUTION - The funnel contains hot liquids. Remove funnel slowly.  
9. Carefully remove the funnel and discard the used filter when coffee no longer drips from the funnel.  
10. Place the lighted On/Off switch in the “OFF” position to prevent a false start.  
11. Room temperature fresh coffee is available at the faucet.  
REPLACEMENT PARTS  
03772.0001 .... Base Guide  
01079.0000 .... Solenoid Valve Base  
05920.0000 .... Cable Clamp .25”  
00603.0000 .... Cable Clamp .437”  
03024.0005 .... Control Thermostat  
03409.0000 .... Decal, Caution, Hot Liquid  
03408.0000 .... Decal, Caution, Remove Funnel Slowly  
24447.0000 .... Decal, Hood Front  
01101.0000 .... Solenoid Valve Coil, (IC3)  
21181.0000 .... Solenoid Valve Coil, (IC3B)  
01111.0000 .... Solenoid Valve Repair Kit  
01085.0002 .... Solenoid Valve, (IC3)  
21180.0000 .... Solenoid Valve, (IC3B)  
24527.0000 .... Sprayhead Assy  
05515.0000 .... Sprayhead Tube Gasket  
24697.0000 .... Sprayhead Tube Kit  
02753.0000 .... Switch, Lighted On/Off, (IC3)  
02754.0000 .... Switch, Lighted On/Off, (IC3B)  
02628.0000 .... Switch, Momentary Start  
05789.0000 .... Switch, Rocker, Batch Selector  
24612.0000 .... Tank  
03717.0000 .... Dilution Nozzle  
03773.0000 .... Dilution Nozzle Spacer Housing  
24613.0001 .... Fitting, .25” Flare x .128” MPT Adapter  
22397.0001 .... Fitting, .25” Hose Barb x .125” MPT  
00459.0000 .... Fitting, Bulkhead, .25” Male Flare  
00400.0001 .... Fitting, Elbow, .25” Male Flare x .125” MPT  
00412.0001 .... Fitting, Hex Nipple, .125” MPT  
00432.0001 .... Fitting, Street Elbow, .125” NPT  
24599.0001 .... Fitting, Tee Union, .125” FPT  
24614.0001 .... Fitting, Union, .25” Female Flare  
20528.1330 .... Flow Control Assy, .33 gpm  
01155.0000 .... Flow Control Gasket  
24410.0000 .... Tank Lid  
12377.0000 .... Tank Lid Gasket  
07038.0000 .... Terminal Block, (IC3)  
01106.0001 .... Terminal Block, (IC3B)  
32400.0002 .... Timer kit, Digital (120V) (IC3)  
32400.0001 .... Timer, kit, Digital (240V) (IC3B)  
24435.0000 .... Top Lid  
24427.0000 .... Trunk Extension Rear Panel  
24698.0000 .... Trunk Rear Panel  
00310.0005 .... Tube Assy, Bulkhead Fitting to Solenoid  
24569.0000 .... Tube Assy, Flow Control To Tank  
24531.0000 .... Tube Assy, Tank Fill  
01154.0001 .... Flow Control Outlet  
20526.1330 .... Flow Control Washer, .33 gpm  
24600.0000 .... Foot Replacement Kit  
12485.0003 .... Funnel Handle  
24659.0000 .... Funnel Handle Mounting Bracket  
12499.0002 .... Funnel Handle Screw  
24657.0000 .... Funnel, Assy, Complete  
12305.1000 .... Heater Kit, 4000W/208V or 3700W/200V  
12322.1000 .... Heater Kit, 4000W/240V  
00668.0000 .... Hole Plug, .75” Dia  
12422.0000 .... Hose Clamp .5”  
23717.0001 .... Limit Thermostat  
03170.0000 .... Mounting  
00484.0002 .... Needle Valve  
24532.0000 .... Tube Assy, Vent  
00310.0000 .... Tube Assy, Water Strainer to Bulkhead Fitting  
11707.1001 .... Tube, Silicone-.25” ID x 36"  
22249.0000 .... Water Strainer End Cap .25” Flare  
23721.0000 .... Water Strainer Replacement Screen  
23820.1000 .... Water strainer Assy., Complete  
02240.0002 .... Wire Assy, 1/2 Batch Switch to Timer  
21014.0055 .... Wire Assy, Limit Thermostat to Tank Heater  
24533.0000 .... Wiring Harness, Main (IC3)  
24533.0001 .... Wiring Harness, Main (IC3B)  
12984.0004 .... Ready Indicator Assy, Green  
10966.0000 .... Shipping Carton Complete  
01592.0000 .... Snap Bushing 1” Dia  
10792 071503  
Page 6  
SCHEMATIC WIRING DIAGRAM IC3  
READY INDICATOR  
BLK BLU  
L1  
L2  
N
GRN  
LIMIT  
THERMOSTAT  
SW. & THERMOSTAT  
TANK HEATER  
4000W  
BLK  
BLU  
BLK  
RED  
ON/OFF SW  
WHI  
WHI  
BLK  
WHI/RED  
WHI/RED  
WHI/RED  
START SW  
SOL  
FULL/HALF SW  
120/208 VOLTS AC  
OR 120/240 VOLTS AC  
3 WIRE  
1
2
3
4
5
WHI  
BREW  
TIMER  
WHI/ORA  
WHI/GRN  
WHI/YEL  
SINGLE PHASE  
PIN  
GRY  
SCHEMATIC WIRING DIAGRAM IC3B  
READY INDICATOR  
GRN  
L1  
L2  
BLK  
BLU  
LIMIT  
THERMOSTAT  
SW. & THERMOSTAT  
TANK HEATER  
4000W  
BLK  
BLU  
BLK  
RED  
RED  
ON/OFF SW  
RED  
BLK  
WHI/RED  
WHI/RED  
WHI/RED  
START SW  
SOL  
FULL/HALF SW  
1
2
3
4
5
200 VOLTS AC  
2 WIRE  
SINGLE PHASE  
RED  
BREW  
TIMER  
WHI/ORA  
WHI/GRN  
WHI/YEL  
PIN  
GRY  
10792 021594  
Page 7  

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