OPERATING & SERVICE MANUAL
BUNN-O-MATIC CORPORATION
POST OFFICE BOX 3227
SPRINGFIELD, ILLINOIS 62708-3227
PHONE: (217) 529-6601 FAX: (217) 529-6644
TU5Q
10777.0000C 05/12 © 1994 Bunn-O-Matic Corporation
Page 1: ...OPERATING SERVICE MANUAL BUNN O MATIC CORPORATION POST OFFICE BOX 3227 SPRINGFIELD ILLINOIS 62708 3227 PHONE 217 529 6601 FAX 217 529 6644 TU5Q 10777 0000C 05 12 1994 Bunn O Matic Corporation...
Page 2: ...ons 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...
Page 3: ...oubleshooting 7 Service 12 Wiring Diagrams 23 INTRODUCTION This equipment will brew a three or five gallon batch of fresh tea into an awaiting dispenser The tea will be dispensed at approximately room...
Page 4: ...UNN O MATIC CORPORATION 00831 0000 As directed in the International Plumbing Code of the International Code Council and the Food Code Manual of the Food and Drug Administration FDA this equipment must...
Page 5: ...ween 30 and 90 psi 207 and 621 kPa from a 1 2 or larger supply line A shut off valve should be installed in the line before the brewer Install a regulator in the line when pressure is greater than 90...
Page 6: ...p or down as required 8 Replace the top lid connect the brewer to the power source start and measure another cycle 9 Repeat steps 6 8 until the recommended total water volume 655 ounces is achieved 10...
Page 7: ...ghly clean the entire brew funnel The funnel tip and screen must be free from any tea particles or residue Reassemble the funnel 2 Unplug the brewer Remove and thoroughly rinse the sprayhead The holes...
Page 8: ...minutes without a supply of water The use of two wrenches is recommended whenever plumbing fittings are tightened or loosened This will help to avoid twists and kinks in the tubing Make certain that...
Page 9: ...Dilution Switch Refer to Service Brew Timer for testing procedures See page 15 Refer to Service Brew Solenoid Valve for testing procedures See page 14 Refer to Service Limit Thermostat for testing pr...
Page 10: ...ore each brew cycle to lessen the chance of tea leaf particles clogging the drip out tip 1 Syphon System 2 Lime Build up CAUTION Tank and tank compo nents should be delimed regularly depending on loca...
Page 11: ...e brewer must be level or slightly lower in front to syphon properly Inspect the tank assembly for ex cessive lime deposits Delime as required Refer to Service Brew Solenoid Valve for testing procedur...
Page 12: ...an 200 F Adjust the control thermostat to increase the water temperature Replace if necessary Adjust needle valve to achieve 76 oz water from the sprayhead when the batch size setting is at three gall...
Page 13: ...efore the removal of any panel or the replace ment of any component All components are accessible by the removal of the top cover and rear inspection panel The top cover is attached with four 6 32 scr...
Page 14: ...roperly If continuity is not present as described replace the switch FIG 3 BATCH SELECTOR SWITCH TERMINALS P2144 YEL to 5 Gal Timer Dial ORA to Timer Board GRN to 3 Gal Timer Dial 5 Select the 5 gallo...
Page 15: ...imer If continuity is not present as described replace the solenoid valve 6 Check the solenoid valve for coil action Connect the brewer to the power source With ON OFF switch in the ON position press...
Page 16: ...ing Diagram and check the wiring harness 6 With a voltmeter check the voltage across termi nals TL1 and TL4 when the ON OFF switch is in the ON position and the start switch is momentarily placed in t...
Page 17: ...20 208 volt models c 240 volts ac for 3 wire 120 240 volt models 8 Disconnect the brewer from the power source If voltage is present as described reinstall the capillary tube into the tank to the line...
Page 18: ...connect the white blue wire from the dilution switch and white green wire from the brew solenoid terminal If continuity is not present as described replace the solenoid valve 6 Check the solenoid valv...
Page 19: ...tch is operating properly If continuity is not present as described replace the switch SERVICE cont WHI BLU to Dilution Solenoid Valve WHI VIO to ON OFF Switch P2144 5 Set Dilution switch to NO DILUTI...
Page 20: ...it thermostat 5 With a voltmeter check the voltage across the exposed terminal of the limit thermostat and the white or red wire on the tank heater terminal Con nect the brewer to the power source The...
Page 21: ...e is present as described proceed to 6 If voltage is not present as described refer to the Wir ing Diagrams and check the wiring harness 6 Check for continuity across the center and end terminals of t...
Page 22: ...hood 4 Refer to Fig 19 when reconnecting the wires FIG 19 START SWITCH TERMINALS P2091 SERVICE cont START SWITCH FIG 18 START SWITCH P2131 40 Location The start switch is located in the front of the...
Page 23: ...sheath Removal and Replacement 1 Disconnect the black wire and the white or red wire from the tank heater terminals 2 Remove sprayhead and the hex nut securing the sprayhead tube to the hood Set asid...
Page 24: ...WHI VIO DILUTION BRN DILUTION START GRN YEL BATCH SELECT ORA CW CW 3 GAL 5 GAL WHI BLU WHI BLU WHI BLU LIMIT THERMOSTAT BLU TANK HEATER L1 N BLK BLK BREW TIMER SOL GREEN 1 3 4 5 2 10776 0001A 3 99 19...
