A.O. SmithメーカーVB/VW-500の使用説明書/サービス説明書
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1 W ARNING: If the information in this manual is not followed exactly , a fire or explosion may result causing property damage, personal injury or loss of life. — Do not store or use gasoline or other flammable vapors and liquids in the vicinity of this or any other appliance.
2 SAFE INST ALLA TION, USE AND SERVICE Y our safety and the safety of others is extremely important in the inst allation, use, and servicing of this boiler . Many safety-related messages and instructions have been provided in this manual and on your own boiler to warn you and others of a potential injury hazard.
3 GENERAL SAFETY.
4 SAFE INST ALLA TION, USE, AND SERVICE ....................................................................................................................................... 2 GENERAL SAFETY ..........................................................
5 For all side wall terminated, horizontally vented power vent, direct vent, and power direct vent gas fueled water heaters installed in every dwelling, building or structure used in whole or in p art.
6 CONNECTION DIAGRAM.
7.
8 SCHEMA TIC DIAGRAM VB/VW-500, 750 & 1000 SCHEMA TIC DIAGRAM.
9 LIGHTING & OPERA TION INSTRUCTIONS FOR MODELS VB/VW 500, 750 AND 1000:.
10 children to use a hot water t ap, or to draw their own bath water . Never leave a child or disabled person unattended in a bathtub or shower . The boiler should be located in an area that is inaccessible to the general public. T ABLE 1. Risk of Scalds.
11 sequences and safety features associated with a gas ignition control system. The system continuously performs various diagnostic test s to verify proper appliance and control operation.
12 the temperature is less than the operating setpoint minus the differential temperature and the thermostat input is closed then a call for heat is established and the system shift s to the run mode (green "Running" LED turns on). 5. The heating sequence begins by applying power to the pump.
13 waits for a heat request (determined by the Thermost at or controlling probe input s). All outputs are o f f i n this st ate except that if the Post-Circulate time i s set to continuous, th e pump will be on. When the heat request i s received, the system moves to the Pre-Circulate state.
14 if the blower prover does not activate after 15 seconds. This time allows the blower relay to activate, the blower to come up to speed, and the response from the blower prover to be filtered. • User Settings Screen: Each setpoint or user setting has either a limited selection of values, or a limited range of values.
15 kBtu rating of the boiler (0 to 5750kBtu in 10kBtu increments) The sof tware revision level of the MCB. • Current Error Screen: Displays the last error that the system has detected plus a time stamp of when the error occurred. (The time st amp is based on the elapsed hours value at the time the error occurred.
16 TROUBLESHOOTING IGNITION SYSTEM Fault Messages and Lockout S tatus (* = stage number: 1, 2, 3, or 4) FAUL T DISPLA YED DESCRIPTION RED LED LOCKOUT “Display Fail” Communications with UIM interrupted Continuous Auto Reset Check communication cable to UIM.
17 This is a pre-mix burner system. The flame is not supposed to be directly on the burner . The flame should be just above the burner deck approximately 1/8” and blue in color , see illustration. BURNER FLAMES Visually check flame characteristics through the view port located on the top head of the boiler .
18 Any safety devices including low water cutoffs used in conjunction with this boiler should receive periodic (every six months) inspection to assure proper operation. A low water cutoff device of the float type should be flushed every six months. Periodic checks, at least twice a year , should be made for water leaks.
19 lines with air or water and clear or replace the blocked portions of the line as necessary . Note that areas of the drain line which include a sag or low spot in the line will also form a condensate trap which can be removed by levelling the tube and does not indicate a blocked system.
20 NOTES.
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22 NOTES.
23 LIMITED W ARRANTY A. O. Smith Corporation, the warrantor , extends the following LIMITED WARRANTY to the owner of this boiler: 1. If within TEN years after initial inst allation of the boiler, a he.
24 500 T ennessee W altz Parkway , Ashland City , TN 37015 Phone: 800-433-2545 w w w .hotwater .com E-Mail: p art s@hotwater .com.
デバイスA.O. Smith VB/VW-500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：
A.O. Smith VB/VW-500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A.O. Smith VB/VW-500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。A.O. Smith VB/VW-500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。A.O. Smith VB/VW-500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。
A.O. Smith VB/VW-500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A.O. Smith VB/VW-500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、A.O. Smith VB/VW-500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A.O. Smith VB/VW-500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。
