BunnメーカーH10Xの使用説明書/サービス説明書
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OPERA TING & SERVICE MANUAL BUNN-O-MA TIC CORPORA TION POST OFFICE BOX 3227 SPRINGFIELD, ILLINOIS 62708-3227 PHONE: (217) 529-6601 F AX: (217) 529-6644 www .
2 10889 020608 BUNN-O-MA TIC COMMERCIAL PRODUCT W ARRANTY 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 USER NOTICES Carefully read and follow all notices on the equipment and in this manual. They were written for your protec- tion. All notices are to be kept in good condition. Replace any unreadable or damaged labels. 12537.0000 10889 021408 12593.0000 00831.
4 ELECTRICAL REQUIREMENTS CAUTION - The dispenser must be disconnected from the power source until specified in Initial Set-Up. This dispenser requires 2-wire, grounded service rated 208 or 240 volts ac, 40 amp, single phase. (Refer to the dispenser’ s dataplate for exact voltage requirement.
5 INITIAL SET -UP CAUTION - The dispenser must be disconnected from the power source throughout the initial set-up, except when specified in the instructions. 1. Connect the dispenser to the power source and turn on the water supply . 2. The “HEA TER” LED will glow for approximately five seconds.
6 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.
7 TROUBLESHOOTING (cont.) PROBLEM Automa tic refil l will not ope rate afte r drawing hot water . Water flows into the tank continu- ou sl y . (D ispe nser disc onne ct ed fr om power source). Water flows into the tank con - tinuously (Dispenser connected to power source).
8 TROUBLESHOOTING (cont.) PROBLEM Water is cold (cont.) Water boils continuously . PROBABLE CAUSE 3. T ank heater 4. T emperature control 5. Dry plug protection 1. T emperature control 2. Lime build-up REMEDY Refer to Ser vice - T ank heater for testing procedures.
9 SERVICE This section provides procedures for testing and replacing various major components used in this dispenser should ser vice become necessary .
10 SERVICE (cont.) Electronic Control Assembly T roubleshooting: Check these items first • Is circuit board popped out of bracket? • Is cir cuit board wet due to misaligned overow tube? • Is.
11 SERVICE (cont.) Electronic Controls (cont.) Liquid Level Control T est Procedure 1. Disconnect the dispenser from the power source. 2. Check the voltage across terminals 3 & 4 of the electronic control assembly with a voltmeter . Connect the dispenser to the power source.
12 SERVICE (cont.) Electronic Controls (cont.) T emperature Control Flow Charts (cont.) T emperature Control T est Procedure 1. Disconnect the dispenser from the power source. 2. Check the voltage across terminals 3 & 4 of the electronic control circuit board with a voltmeter .
13 SERVICE (cont.) Electronic Controls (cont.) 11. Disconnect the dispenser from the power source. If vol tag e was pres en t as des cri bed, retu rn the new tri ac assembly to Bunn-O-Matic for credit. The temperature control of the system is operating properly .
14 T riac Assembly Removal and Replacement NOTE - Each triac installation requires the use of an approved silicone heat sink compound. Bunn-O-Matic recommends the use of Dow Corning 340 compound or equivalent. It can be purchased direct from Bunn- O-Matic (P .
15 SERVICE (cont.) Limit Thermostat P1993 FIG. 5 LIMIT THERMOST A T T est Procedure: 1. Disconnect the dispenser from the power source. 2. There are two black wires on the limit thermostat terminals. One comes from the terminal block. The other goes directly to the tank heater terminal.
16 Location: Th e ove rfl ow pr ote ctio n swi tc h is loc at ed with in the sid e of the dispenser inside the copper overflow cup. For testing or removal of the over flow protection switch, access may also be needed by removing the two screws attaching the electronic control assembly to its mounting bracket.
17 Solenoid Valve Location: The solenoid valve is located within the side of the dispenser on the right side near the bottom. T o test the solenoid valve, access will also be needed to the electronic control assembly . HAZARDOU S VO LT AGE DI S CONNECT FRO M POWER S OU RC E BE FO R E RE MO VI NG ! WAR NI NG P1994 FIG.
18 WHI/BLU to Electronic Contol #1 RED to T erminal Block RED to Electronic Control #5 P1779 FIG. 10 SOLENOID V AL VE WIRING 5. Lift out the solenoid valve. 6. Rem ove the two 10- 32 slo tt ed -he ad scr ew s hold ing the solenoid valve to its mounting bracket.
19 SERVICE (cont.) T ank Heater Location: The tank heater is located in the tank lid. P1993 FIG. 11 T ANK HEA TER T est Procedure: 1. Disconnect the dispenser from the power source. 2. Check the voltage across the terminals of the tank heater with a voltmeter .
20 GRN/YEL BLK RED BLU WHI/VIO BLK TRIAC TA NK HEA TER BLK RED BLU 200-240 VOL TS AC 2 WIRE + GND SINGLE PHASE 10888.0000C 01/07 © 1989 BUNN-O-MA TIC CORPORA TION SOL SCHEMA TIC WIRING DIAGRAM H10XA .
デバイスBunn H10X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 H10X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 H10X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 H10X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 H10X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 H10X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 H10X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 H10X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 H10X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。