HoneywellメーカーL8104Aの使用説明書/サービス説明書
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1 68-0063—3 J. H. • Rev. 6-95 • ©Honeywell Inc. 1995 L8104A,B,C,D Electr onic W ater Heater Contr ollers The L8104A,B,C,D Electronic Controllers pro- vide temperature control and ECO limit action for gas water heaters.
68-0063—3 2 L8104A,B,C,D SPECIFICATIONS • ORDERING INFORMATION Specif ications IMPORTANT: The specifications given in this publication do not include normal manufacturing tolerances. Therefore, this unit may not exactly match the listed specifications.
3 68-0063—3 L8104A,B,C,D SPECIFICATIONS DIMENSIONS: L8104: Fig. 1. L8104A,B: Fig. 2. L8104C,D: Fig. 3. APPROVALS: Underwriters Laboratories Inc. Component Recognized: File No. MP466, Guide No. MBPR2. American Gas Association Certified: Report No. 70-22A.
68-0063—3 4 L8104A,B,C,D SPECIFICATIONS ACCESSORIES: L8104A: 4074ENP Potentiometer Assembly: 199075A Poten- tiometer: Clockwise turn increases temperature, two 18 in. [46 cm] leadwires with 1/4 in. quick connects. Washer and nut. 4074ENS Potentiometer Assembly: 199053A Potenti- ometer: Counterclockwise turn increases tempera- ture, two 18 in.
5 68-0063—3 L8104A,B,C,D INSTALLATION Installation WHEN INSTALLING THIS PRODUCT… 1. Read these instructions carefully. Failure to follow them could damage the product or cause a hazardous condition. 2. Check the ratings given in the instructions and on the product to make sure the product is suitable for your application.
68-0063—3 6 L8104A,B,C,D INSTALLATION Fig. 5—L8104A with board-mounted potentiometer in a standing pilot application. M131C POWER SUPPLY. PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION AS REQUIRED. 1/4 IN. TAB TERMINALS (3). 3/16 IN. TAB TERMINALS (3).
7 68-0063—3 L8104A,B,C,D INSTALLATION Fig. 7—L8104B with remote potentiometer in a standing pilot application. Fig. 8—L8104B with board-mounted potentiometer in an electronic ignition application. M130C POWER SUPPLY. PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION AS REQUIRED.
68-0063—3 8 L8104A,B,C,D INSTALLATION Fig. 9—L8104C with remote-mounted potentiometer in an electronic ignition application. SENSING BULB WITH ECO SWITCH 1 2 3 SETPOINT POTENTIOMETER (SHOWN FROM BACK) L1 (HOT) L2 1 4 3 1 2 4 5 3 POWER SUPPLY. PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION AS REQUIRED.
9 68-0063—3 L8104A,B,C,D INSTALLATION Fig. 10—L8104D with remote-mounted potentiometer in an electronic ignition application SENSING BULB WITH ECO SWITCH 1 2 3 SETPOINT POTENTIOMETER (SHOWN FROM BACK) L1 (HOT) L2 1 4 3 1 2 4 5 3 POWER SUPPLY. PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION AS REQUIRED.
68-0063—3 10 L8104A,B,C,D SETTING AND CHECKOUT Setting and Check out SET CONTROL TEMPERATURE If the potentiometer is mounted on the control module, turn the selector knob to the desired temperature. If the potentiometer is remotely mounted, the position of the flat part of the shaft determines the approximate control temperature.
11 68-0063—3 L8104A,B,C,D SETTING AND CHECKOUT • OPERATION TABLE 2—THERMISTOR RESISTANCE AT VARIOUS TEMPERATURES IN CELSIUS. Operation L8104A,D When the temperature at the sensing bulb drops below the setting on the potentiometer, the relay contacts in the electronic control module make to open the gas control or turn on the ignition module.
68-0063—3 12 L8104A,B,C,D TROUBLESHOOTING DISCONNECT SENSOR LEADS FROM ELECTRONIC CONTROL MODULE AND MEASURE RESISTANCE OF SENSOR(S) WITH OHMMETER. IS RESISTANCE BETWEEN 700K AND 30K OHMS (SEE TABLE 1)? SENSOR(S) OK. DISCONNECT ECO LEADS AND MEASURE RESISTANCE WITH OHMMETER.
13 68-0063—3 L8104A,B,C,D TROUBLESHOOTING CHECK TRANSFORMER, 120V SUPPLY, CORRECT AS NECESSARY. IGNITION MODULE WAS IN LOCKOUT. OBSERVE FOR 2-3 CYCLES TO MAKE SURE SYSTEM IS OTHERWISE OK. SENSOR(S) MAY BE SHORTED OR OPEN. CHECK FOR LOOSE, BROKEN OR SHORTED WIRES.
68-0063—3 14 L8104A,B,C,D TROUBLESHOOTING CHECK TRANSFORMER, 120V SUPPLY, CORRECT AS NECESSARY. IGNITION MODULE WAS IN LOCKOUT. OBSERVE FOR 2-3 CYCLES TO MAKE SURE SYSTEM IS OTHERWISE OK. NO YES CHECK VOLTAGE AT 24V TERMINALS OF ELECTRONIC CONTROL MODULE.
15 68-0063—3 L8104A,B,C,D MATERIAL SAFETY DATA SHEET.
68-0063—3 16 L8104A,B,C,D MATERIAL SAFETY DATA SHEET.
17 68-0063—3 L8104A,B,C,D MATERIAL SAFETY DATA SHEET.
68-0063—3 18 L8104A,B,C,D MATERIAL SAFETY DATA SHEET.
19 68-0063—3 L8104A,B,C,D MATERIAL SAFETY DATA SHEET.
68-0063—3 20 L8104A,B,C,D MATERIAL SAFETY DATA SHEET Home and Building Control Home and Building Control Helping You Control Your World Honeywell Inc. Honeywell Limited—Honeywell Limitée 1985 Douglas Drive North 740 Ellesmere Road Golden Valley, MN 55422 Scarborough, Ontario M1P 2V9 Printed in U.
デバイスHoneywell L8104A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:
Honeywell L8104A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Honeywell L8104A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。Honeywell L8104A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。Honeywell L8104A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。
Honeywell L8104A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Honeywell L8104A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、Honeywell L8104A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Honeywell L8104A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。