Bradford-White Corpメーカー500-1825の使用説明書/サービス説明書
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Internet Version for Reference Only FOR YOUR SAFETY : This product must be installed and serviced by a professional service technician, qualied in hot water heater installation and maintenance. Improper installation and/or operation could create carbon monoxide gas in ue gases which could cause serious injury , property damage, or death.
Internet Version for Reference Only BRADFORD WHITE Page 2 B4 V olume Water Heater Page 3 T ABLE OF CONTENTS SECTION 1. General Information 1.1 Introduction .................................................... 3 1.2 Heater Identication..............
Internet Version for Reference Only BRADFORD WHITE Page 2 B4 V olume Water Heater Page 3 SECTION 1. General Information 1.1 Introduction This manual provides information for the installation and operation of Bradford White volume water heaters.
Internet Version for Reference Only BRADFORD WHITE Page 4 B4 V olume Water Heater Page 5 1.4 W ater Chemistry Bradford White equipment is designed for use in a wide variety of water conditions.
Internet Version for Reference Only BRADFORD WHITE Page 4 B4 V olume Water Heater Page 5 Figure 2. T ypical Heater Installation with Base for Com- bustible Floors, Example A.
Internet Version for Reference Only BRADFORD WHITE Page 6 B4 V olume Water Heater Page 7 ducts, each opening shall have a minimum free area of 1 square inch per 4000 Btu/hr (5.
Internet Version for Reference Only BRADFORD WHITE Page 6 B4 V olume Water Heater Page 7 3. A void using long horizontal runs of the vent pipe, and too many 90° elbows, reductions or restrictions. Horizontal runs should have at least a 1/4" rise per foot in the direction of ow .
Internet Version for Reference Only BRADFORD WHITE Page 8 B4 V olume Water Heater Page 9 2. Use the gures in T able 3 to provide adequate gas piping from the gas meter to the heater . 3. A trap (drip leg) must be provided ahead of the gas controls (see Figure 8 ).
Internet Version for Reference Only BRADFORD WHITE Page 8 B4 V olume Water Heater Page 9 Figure 9), must be piped, but not fastened, to a drain or oor sink. The drain pipe must be the same size as the valve outlet and must pitch downward from the valve.
Internet Version for Reference Only BRADFORD WHITE Page 10 B4 V olume Water Heater Page 1 1 If the heater-to-tank circulating loop contains more than 6 elbows or 30 feet of pipe , use pipe or tting.
Internet Version for Reference Only BRADFORD WHITE Page 10 B4 V olume Water Heater Page 1 1 5 1 2 3 4 CWMU SUPPL Y RECIRC . 5 1 2 3 4 RECIRC. CWMU SUPPL Y Figure 1 1. Hot W ater Supply System With V ertical T ank With Horizontal T ank 2.1 1 T wo-T emperature System See Figures 13 and 14 for piping schematics.
Internet Version for Reference Only BRADFORD WHITE Page 12 B4 V olume Water Heater Page 13 5 3 2 1 2 4 CWMU SUPPL Y CIRC. RETURN Figure 12. Hot W ater Supply System with Dual T anks, Building Loop Return and Circulating Pump. Figure 13. T wo-T emperature Hot Water Supply System with V ertical T ank.
Internet Version for Reference Only BRADFORD WHITE Page 12 B4 V olume Water Heater Page 13 Figure 14. T wo-T emperature Hot Water Supply System. Cold W ater 180° W ater T o Bldg. Conventional T ank T o Drain 24" Min. T o Drain Pump 140° W ater T o Bldg.
Internet Version for Reference Only BRADFORD WHITE Page 14 B4 V olume Water Heater Page 15 SECTION 3. Operation 3.1 Controls - General See Figure 15 for control locations. 3.1.1 Electronic Ignition Controls: a. Intermittent Ignition: Pilots are automatically lit when the operating aquastat calls for heat (System #9).
Internet Version for Reference Only BRADFORD WHITE Page 14 B4 V olume Water Heater Page 15 2. Make sure the heater ’ s power switch is in the “ON” position. After placing the manual pilot gas valve in the open position and resetting all safety devices, (high limit, pressure switch, low- water cutoff, etc.
Internet Version for Reference Only BRADFORD WHITE Page 16 B4 V olume Water Heater Page 17 When a tank aquastat is not used: The pump on the heater must run continuously , so the heater's temperature control will sense the tank's water temperature.
Internet Version for Reference Only BRADFORD WHITE Page 16 B4 V olume Water Heater Page 17 Caution Black carbon or green soot on a dirty heat exchanger can, under certain conditions, be ignited by a random spark or open ame.
Internet Version for Reference Only BRADFORD WHITE Page 18 B4 V olume Water Heater Page 19 II. HEA TER IS POUNDING, KNOCKING OR EMIT - TING STEAM FROM RELIEF V AL VES. Possible Cause What T o Do A. Low or no water ow . A. This condition is usually caused by lack of adequate water ow through heater .
Internet Version for Reference Only BRADFORD WHITE Page 18 B4 V olume Water Heater Page 19 This page intentionally left blank..
Internet Version for Reference Only BRADFORD WHITE Page 20 C O R P O R A T I O N B W R A D FO R D H ITE ® H2317100- Ambler , P A 19002 T ech. Service (800) 334-3393 Service Parts (800) 538-2020 W arranty Service (800) 531-211 1 ® www .Bradford White.
デバイスBradford-White Corp 500-1825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：
Bradford-White Corp 500-1825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Bradford-White Corp 500-1825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。Bradford-White Corp 500-1825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。Bradford-White Corp 500-1825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。
Bradford-White Corp 500-1825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Bradford-White Corp 500-1825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、Bradford-White Corp 500-1825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Bradford-White Corp 500-1825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。
