BunnメーカーCWA-APSの使用説明書/サービス説明書
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OPERA TING & SER VICE MANU AL B UNN-O-MA TIC CORPORA TION POST OFFICE BOX 3227 SPRINGFIELD, ILLINOIS 62708-3227 PHONE: (217) 529-6601 F AX: (217) 529-6644 10690.
Page 2 INTRODUCTION This equipment will brew a half-gallon batch of coffee into an awaiting dispenser. It can be easily configured for either pour-over or automatic brewing. The automatic version may include a hot water faucet for allied beverage use.
Page 3 USER NOTICES Carefully read and follow all notices in this manual and on the equipment. All labels on the equipment should be kept in good condition.
Page 4 ELECTRICAL REQUIREMENTS CAUTION - The brewer must be disconnected from the power source until specified in Initial Set-Up. "A" Models require 2-wire grounded service rated 230-240 volts ac, 20 amp, single phase, 50 Hz. Electrical Hook-Up CAUTION – Improper electrical installation will damage electronic components.
Page 5 Models CWTFA-APS & CWTFA-TS 1. Attach the flare fitting from the short piece of tubing on the flow control (supplied) to the lower water inlet fitting at the left rear of the brewer. 2. Attach the flare fitting from the short piece of tubing on the tee (supplied) to the upper water inlet fitting at the left rear side of the brewer.
Page 6 10690.1 063000 7. Place the "ON/OFF" switch in the “ OFF ” (lower) position after water has stopped flowing from the funnel, and let the water in the tank reheat to the proper temperature. 8. Empty the dispenser and proceed as directed: 8A.
Page 7 OPERA TING CONTROLS Models CWA-APS & CWA-TS: These models function without operating controls. Models CWTA-APS, CWTFA-APS, CWTA-TS & CWTFA-TS: ON/OFF SWITCH Placing the "ON/OFF" switch in the "OFF" (lower) position stops brewing.
Page 8 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 Technical Service Department.
Page 9 TROUBLESHOOTING (cont.) Brew cycle will not start (cont.) Water is not hot Inconsistent beverage level in dis- penser PROBABLE CAUSE REMEDY 7. Water strainer/flow control (.222 GPM)(CWTA-APS, CWTFA- APS, CWTA-TS, CWTFA-TS) 1. Tank Heater Switch 2.
Page 10 TROUBLESHOOTING (cont.) Inconsistent beverage level in the dispenser (cont.) Consistently low beverage level in the dispenser Spitting or excessive steaming Dripping from sprayhead 4. Water Pressure (CWTA-APS, CWTFA-APS,CWTA-TS & CWTFA- TS) 1.
Page 11 TROUBLESHOOTING (cont.) Water flows into tank continuously (ON/OFF Switch "ON") Water flows into tank continuously (ON/OFF Switch "OFF") Beverage overflows dispenser Weak beverage 1. Timer (CWTA-APS, CWTFA- APS, CWTA-TS & CWTFA-TS) 1.
Page 12 TROUBLESHOOTING (cont.) Weak beverage (cont.) Dry coffee grounds remain in the funnel Brewer is making unusal noises Brewer is making unusal noises (CW) 5. Water Temperature 1. Funnel Loading 1. Solenoid (CWTA-APS, CWTFA- APS, CWTA-TS & CWTFA-TS) 2.
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Page 14 SERVICE (cont.) CONTROL THERMOSTAT Location: The control thermostat is located inside the trunk on the upper left side of the component bracket. Test Procedures: 1. Disconnect the brewer from the power source. 2. Locate the blue wire on the control thermostat.
Page 15 SERVICE (cont.) LIMIT THERMOSTAT (CWTA & CWTFA) Location: The limit thermostat is located inside the rear of the hood on the tank lid. Test Procedures: 1. Disconnect the brewer from the power source. 2. Disconnect the blue and black wires from the limit thermostat.
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Page 17 SERVICE (cont.) SOLENOID VALVE Location: The solenoid valve is located inside the trunk on the lower center part of the component bracket. Test Procedures: 1. Disconnect the brewer from the power source. 2. Disconnect the white/green wire and black wire from the solenoid valve.
Page 18 SERVICE (cont.) START SWITCH P1467.40 Location: The start switch is located in the front of the hood just to the right of center. Test Procedure: 1. Disconnect the brewer from the power supply. 2. Disconnect the white/orange wire from the top switch terminal and the white/yellow wire from the bottom switch terminal.
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Page 20 SERVICE (cont.) TANK HEATER SWITCH P2195.40 Location: The tank heater switch is located on the rear of the brewer on the upper left side of the trunk. Test Procedure: 1. Disconnect the brewer from the power source. 2. Disconnect the black wire from the limit thermo- stat (Automatics only) or the blue wire (Pour Overs only).
Page 21 13. Insert new tank heater switch through the hole in the upper left rear of the trunk and secure with switch indicator/guard bracket, hex facenut and plastic facenut. 14. Refer to Fig. 15 and reconnect the wires to the tank heater switch terminals.
Page 22 FIG. 17 TIMER TERMINALS P1472 TL1 WHI/RED from ON/OFF Switch(1) TL2 RED to Terminal Block (Red Insert) TL3 WHI/ORN from Start Switch TL4 WHI/GRN from Solenoid TL5 WHI/YEL from Start Switch TIMER (Early Models) FIG. 16 TIMER P1468.40 Location: The timer is located inside the front of the trunk on the component bracket.
Page 23 SERVICE (cont.) DIGITAL BREW TIMER (Late Models) P2195.40 FIG. 18 DIGITAL BREW TIMER Location: The timer is located inside the front of the trunk on the top of the component bracket. Test Procedure. NOTE: Do not remove or install wires while timer board is installed.
Page 24 TL1 WHI/RED from ON/OFF Switch(1) TL2 RED to T erminal Block (Red Insert) TL3 WHI/ORN from Start Switch TL4 WHI/GRN from Solenoid TL5 WHI/YEL from Start Switch FIG. 19 DIGIT AL TIMER WIRING P2037 SERVICE (cont.) DIGITAL BREW TIMER (Late Models)(cont.
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デバイスBunn CWA-APS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 CWA-APS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 CWA-APS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 CWA-APS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 CWA-APS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 CWA-APS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 CWA-APS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 CWA-APS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 CWA-APS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。
