PVI IndustriesメーカーPV500-25の使用説明書/サービス説明書
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PV500-25 10/07 INSTALLATION & MAINTENANCE MANUAL QuickDraw ® Storage and Semi-instantaneous Steam Heaters Installation and service must be performed by a qualified service installer, service agency or the utility supplier. IMPORTANT: THIS MANUAL CONTAINS INFORMATIO N REQUIRED FOR INSTALLATION, OPERATION AND MAINTENANCE OF THIS EQUIPMENT.
QUICKDRAW ® Steam Heater 2 CHECKING EQUIPMENT BEFORE YOU INSTALL Inspect the unit completely upon receipt from the freight carrier before signing the bill of lading. Inspect the appliance and all accompanying parts for signs of impact or mishandling.
QUICKDRAW ® Steam Heater 3 WARNING: Use industry standard safe rigging methods when attempting to lift or move this product. Failure to follow these instructions could result in property damage, serious injury or death. One common method includes th e use of straps and spreader bars, lifting from the water heater base skid assembly.
QUICKDRAW ® Steam Heater 4 Typical QuickDraw ® Storage Construction Typical QuickDraw ® Instantaneous Construction 1. U-tube Heat Exchan g e r 5. Potable Water Inlet 2. Tank Drain 6. Steam Inlet 3. Control Enclosure 7. Potable Water Outlet 4. Relief Valve ( AGA o p tional ) 8.
QUICKDRAW ® Steam Heater 5 IMPOR T ANT SAFETY NOTE It takes only 5 seconds of skin contact with 140°F water to cause a second degree burn! You must protect against high water temperatures at all lavatories, tubs, showers and other points of hot water contact.
QUICKDRAW ® Steam Heater 6 WATER INLET / OUTLET CONNECTIONS Important: Do not use galvanized or steel pipe nipples when making waterside connections. Use non-ferrous nipples only. Make inlet and outlet water connections directly to the threaded bolt-on bronze tank flanges.
QUICKDRAW ® Steam Heater 7 3. Connect condensate trap inlet parallel to or below the outlet of the heat exchanger. The ability to lift condensate via steam pressure cannot be assured on QuickDraw products due to the possible use of a modulating steam valve (storage units only) or multiple solenoid steam control system.
QUICKDRAW ® Steam Heater 8 WARNING: Failure to operate the heat exch anger within the design pressure and temperature on the nameplate may result in damage to the heat exchanger and potential injury to adjacent personnel. 5. Open nearby hot water tap to maintain a flow of water through the tank when starting up units.
QUICKDRAW ® Steam Heater 9 Steam Valve Actuator The steam valve actuator (if applicable) is sealed and requires no maintenance. Durability of valve stems and packing is dependent upon maintaining non-damaging water conditions. Inadequate water treatment or filtration can result in corrosion, scale, and abrasive particle formation.
QUICKDRAW ® Steam Heater 10 CAUTION: When cleaning a tube bundle, tubes should not be hammered on with any metallic tool and, in case it is necessary to use scrapers, care should be exercised that the scraper is not sharp enough to cut the metal of the tubes.
QUICKDRAW ® Steam Heater 11 5. Tighten uniformly and in a diametrically staggered pattern as illustrated below: WARNING: It is extremely important to follow a proper tightening sequence. If not followed, the flanges can become cocked and a leak will result.
デバイスPVI Industries PV500-25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：
PVI Industries PV500-25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PVI Industries PV500-25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。PVI Industries PV500-25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。PVI Industries PV500-25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。
PVI Industries PV500-25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PVI Industries PV500-25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、PVI Industries PV500-25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PVI Industries PV500-25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。
