BunnメーカーTU3の使用説明書/サービス説明書
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TU3 HOT LIQUID ! CAUTION OPERA TING & SERVICE MANUAL BUNN-O-MA TIC CORPORA TION POST OFFICE BOX 3227 SPRINGFIELD, ILLINOIS 62708-3227 PHONE: (217) 529-6601 FAX: (217) 529-6644 www .
Page 2 CONTENTS Introduction ..................................................................... 2 Warranty .......................................................................... 2 User Notices ...................................................
Page 3 10225 031804 00831.0000F 3/98 ©1988 BUNN-O-MA TIC CORPORATION READ THE ENTIRE OPERA TING MANU AL BEFORE BUYING OR USING THIS PR ODUCT THIS APPLIANCE IS HEA TED WHENEVER CONNECTED T O A POWER S.
Page 4 ELECTRICAL REQUIREMENTS CAUTION - The brewer must be disconnected from the power sour ce until specified in Initial Set-Up. 120V model brewers require 2-wire, grounded service rated 120 volts ac, 15 amp, single phase, 60 Hz. "A" model brewers require 2-wire, grounded service rated 240 volts ac, 10 amp, single phase, 50 Hz.
Page 5 INITIAL SET -UP CAUTION - The brewer must be disconnected from the power sour ce 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 counter clockwise to the "OFF" position and replace the top lid.
Page 6 INITIAL SET -UP (cont.) 29. If not, unplug the brewer and remove the top lid. 30. Adjust the delay knob of the timer on the right side of the hood as required. Replace the top lid and plug in the brewer . 31. Repeat steps 27-30 until the proper dilution timing is achieved.
Page 7 10225 031804 AUTO SWEETENER SET -UP (cont.) 5. Plug brewer into the power sour ce. 6. Place an empty reservoir under the dilution nozzle of the brewer . 7. Close the adjustment valve on the rear of the brewer fully (clockwise), then open (counter clockwise) 1/2 turn.
Page 8 10225 031804 CLEANING (cont.) 2. Place the ON/OFF switch in the "OFF" position. Remove and thoroughly rinse the sprayhead. The holes must be open and clear of any mineral deposits.
Page 9 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 T echnical Service Department.
Page 10 TROUBLESHOOTING (cont.) PROBLEM PROBABLE CAUSE REMEDY Brew cycle will not start (cont.) W ater is not hot Dilution cycle will not start 4. ON/OFF Switch 5. Start Switch 6. Brew Timer 7. Brew Solenoid Valve 8. Internal Flow control (.195 GPM) 1.
Page 11 TROUBLESHOOTING (cont.) PROBLEM PROBABLE CAUSE REMEDY Dilution cycle will not start (cont.) Inconsistent beverage level in dis- penser Consistently high or low beverage level in the dispenser 4. Dilution Solenoid V alve 1. Internal Flow Control (.
Page 12 TROUBLESHOOTING (cont.) PROBLEM Spitting or excessive steaming Drip-out time too long Dripping from sprayhead W ater flows into tank continuously (ON/OFF Switch "ON") W ater flows into tank continuously (ON/OFF Switch "OFF") PROBABLE CAUSE 1.
Page 13 TROUBLESHOOTING (cont.) PROBLEM Beverage overflows dispenser W eak beverage PROBABLE CAUSE 1. Dispenser 2. Brew Timer 3. Brew Solenoid Valve 4. Dilution Timer 5. Dilution Solenoid V alve 1. Filter T ype 2. T ea 3. Sprayhead 4. Funnel Loading 5.
Page 14 REMEDY The BUNN ® paper filter must be centered in the funnel and the bed of grounds leveled by gently shak- ing. The nut on the solenoid(s) must be tight or it will vibrate during opera- tion. Plumbing lines should not be rest- ing on the counter top.
Page 15 SERVICE This section provides procedures for testing and replacing various major components used in this brewer should service become necessar y .
Page 16 SERVICE (cont.) BREW SOLENOID V AL VE FIG. 2 BREW SOLENOID V AL VE P1277.40 Location: Viewing the brewer from the rear the brew sole- noid valve is mounted on the left side of the mounting bracket. Test Procedures: 1. Disconnect the brewer from the power source.
Page 17 SERVICE (cont.) BREW TIMER (Early Models) FIG. 4 BREW TIMER P1276.40 Location: The brew timer is located in the hood. It consists of the left dial plate and circuit board.
Page 18 10225 071500 SERVICE (cont.) DIGIT AL BREW TIMER (Late Models) FIG. 6 DIGIT AL BREW TIMER P2202.40 Location: The timer is located in the hood, on the left side. Test Procedure:. NOTE: Do not remove or install wires while timer board is installed.
Page 19 10225 103000 To increase a brew volume, place the ON/OFF switch in the "ON" position, press and hold the ST ART switch until three clicks are heard.
Page 20 SERVICE (cont.) CONTROL THERMOST A T FIG. 8 CONTROL THERMOST A T P1276.40 Location: The control thermostat is located inside hood on the right side just behind the dilution timer. Test Procedures: 1. Disconnect the brewer from the power source.
Page 21 SERVICE (cont.) DILUTION SOLENOID V AL VE FIG. 10 DILUTION SOLENOID V AL VE P1277.40 Location: Viewing the brewer from the rear the dilution so- lenoid is mounted on the center of the solenoid mount- ing bracket which is secured to the trunk base.
Page 22 SERVICE (cont.) DILUTION TIMER FIG. 12 DILUTION TIMER P1276.40 Location: The dilution timer is located inside the hood on the right side. It consists of the dial plate with two dials and circuit board.
Page 23 SERVICE (cont.) LIMIT THERMOST A T FIG. 14 LIMIT THERMOST A T P1276.40 Location: The limit thermostat is located inside the hood on the tank lid. T est Procedure: 1. Disconnect the brewer from the power source and remove the black wire from the limit thermostat.
Page 24 Q U IC K BR E W SERVICE (cont.) ON/OFF SWITCH (SELECTOR SWITCH - OPTIONAL) FIG. 16 ON/OFF SWITCH P1187.40 Location: The ON/OFF switch is located in the front of the hood, above and to the left of the brew funnel. T est Procedure: Brewers W/Out Half Batch Option 1.
Page 25 Removal and Replacement: 1. Remove the wires from the switch terminals. 2. Compress the clips inside the hood and gently push the switch through the opening. 3. Push the new switch into the opening and spread the clips to hold the switch captive in the hood.
Page 26 ST ART SWITCH HOT LIQUID ! CAUTION FIG. 18 ST AR T SWITCH P1187.40 Location: The start switch is located in the front of the hood, above and to the right of the brew funnel. T est Procedure: 1. Disconnect the brewer from the power source. 2. Remove the wires from all four terminals.
Page 27 SERVICE (cont.) 10225 031804 Location: Viewing the brewer from the rear the sweetener solenoid is mounted on the right side of the solenoid mounting bracket which is secured to the trunk base. T est Procedure: 1. Disconnect the brewer from the power sour ce.
Page 28 SERVICE (cont.) T ANK HEA TER FIG. 23 T ANK HEA TER TERMINALS P1284 FIG. 22 T ANK HEA TER Location: The tank heater is located inside the tank and se- cured to the tank lid. T est Procedures: 1. Disconnect the brewer from the power supply . 2.
Page 29 10225 071500.
Page 30 10225 071500.
Page 31 10225 021804 27432.0000D 02/04 © 1996 BUNN-O-MATIC CORPORATION BRN/WHI WHI/BLU WHI/VIO WHI WHI WHI/BLU WHI/YEL WHI/ORN SCHEMATIC WIRING DIAGRAM TU3 W/SWEETENER 120 VOLTS AC 2 WIRE SINGLE PHAS.
Page 32 10225 071500.
デバイスBunn TU3の購入後に（又は購入する前であっても）重要なポイントは、説明書をよく読むことです。その単純な理由はいくつかあります：
Bunn TU3をまだ購入していないなら、この製品の基本情報を理解する良い機会です。まずは上にある説明書の最初のページをご覧ください。そこにはBunn TU3の技術情報の概要が記載されているはずです。デバイスがあなたのニーズを満たすかどうかは、ここで確認しましょう。Bunn TU3の取扱説明書の次のページをよく読むことにより、製品の全機能やその取り扱いに関する情報を知ることができます。Bunn TU3で得られた情報は、きっとあなたの購入の決断を手助けしてくれることでしょう。
Bunn TU3を既にお持ちだが、まだ読んでいない場合は、上記の理由によりそれを行うべきです。そうすることにより機能を適切に使用しているか、又はBunn TU3の不適切な取り扱いによりその寿命を短くする危険を犯していないかどうかを知ることができます。
ですが、ユーザガイドが果たす重要な役割の一つは、Bunn TU3に関する問題の解決を支援することです。そこにはほとんどの場合、トラブルシューティング、すなわちBunn TU3デバイスで最もよく起こりうる故障・不良とそれらの対処法についてのアドバイスを見つけることができるはずです。たとえ問題を解決できなかった場合でも、説明書にはカスタマー・サービスセンター又は最寄りのサービスセンターへの問い合わせ先等、次の対処法についての指示があるはずです。
