Bradford-White CorpメーカーCommerical 24 Volt Flue Damper series Water Heaterの使用説明書/サービス説明書
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Save this manual for future reference Manual 47324A SERVICE MANUAL Troubleshooting Guide and Instructions for Service (To be performed ONLY by qua lified servi ce providers) Models Covered by This Man.
Table of Con ten ts Page eF Serv ice Pr ocedure Introduction 3 - - - To ol re qui red for s er vi ce 3 - - - Seq uence of O pera tion 4 - - - T roubl es hoo t ing 5 - - - Thermostat Circuit Testing 6 .
Tools Requir ed for Service It is intend ed for this m anual to be us ed by qualifie d service per sonal for the p r imar y purpose of troubl eshooting anal ysis and repai r of the Bradfo rd White 24 Vo lt Flue Damper Series W ater Heater.
1 Therm osta t cal ls f or hea t. The r elay cl oses on the th ermos tat boar d, sendi ng 24 volts fr om the “COM” te rminal of the th ermos tat boar d to the fl ue da mper. 2 Flue damp er beg ins to rota te open. O nce damp er is full open , 24 volts is all owed to conti nue thr ough damp er to the “ TH” termi nal of ign ition module.
TROUBLESHOOTING If LED o n ign ition mo dule i s f lashi ng, reset water h eate r by turn ing “ OFF” powe r. Wa it 5 sec onds a nd tu rn p owe r back “ON” R ota te th ermostat di al to the h ig hest s etting .
SERVICE PROCEDURE D24-I Therm o st at Circu it Testing CAUTI ON Be Careful Wh en Making Vo ltage Measurem en ts or Ju mping Terminals Not to Damage or Deform Conn e ctor s or Connect or Pins. DANGER 120 volt ex posure. To avoid p e rsonal injury, use caut ion while perform in g th is procedure.
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SERVICE PROCEDURE D24-II Pilot Operation Testing CAUTI ON Be Careful Wh en Making Vo ltage Measurem en ts or Ju mping Terminals Not to Damage or Deform Conn e ctor s or Connect or Pins. DANGER 120 volt ex posure. To avoid p e rsonal injury, use caut ion while perform in g th is procedure.
SERVICE PROCEDURE D24-II Pilot Operation Testing CAUTI ON Be Careful Wh en Making Vo ltage Measur ements or Jump ing Terminals Not to Damage or Deform Conn e ctor s or Connect or Pins. DANGER 120 volt ex posure. To avoid p e rsonal injury, use caut ion while perform in g th is procedure.
SERVICE PROCEDURE D24-III Main Bur ner Operatio n T esting CAUT ION Be Careful Wh en Making Vo ltage Measurem en ts or Ju mping Terminals Not to Damage or Deform Conn e ctor s or Connect or Pins. DANGER 120 volt ex posure. To avoid p e rsonal injury, use caut ion while perform in g th is procedure.
SERVICE PROCEDURE D24-III Main Burner Operation Testing CAUTION Be Careful Wh en Making Vo ltage Measur ements or Jump ing Terminals Not to Damage or Deform Conn e ctor s or Connect or Pins. DANGER 120 volt ex posure. To avoid p e rsonal injury, use caut ion while perform in g th is procedure.
SERVICE PROCEDURE D24-IV Main Burn e r & Pilot Removal and Inspection WARNING Heate r compone nts may be HOT w hen perfo r m i n g the f ollow ing ste ps in t his proce dure. Take nece ssary pr ecaution to pre vent personal in jury. Main B urner Removal Step 1.
SERVICE PROCEDURE D24-IV Main Burn e r & Pilot Removal and Inspection P ilot Burner Removal Step 1. With bu rner rack rem oved from heater, dis connect pilot tube conn ection from gas valve Step 2. Rem ove the two p ilot burner mounting s c rew s secu ring the pi lot and pi lot shield in place.
SERVICE PROCEDURE D24-V Flue Baffle Removal, Inspecti o n S tep 1. Discon nect (unpl ug) water h eater from el ectrical sup ply. Step 2. Dis connect venting f rom dra ft diverter and rem ove draft d ivert er from top of wa ter hea ter. S tep 3. Discon nect flue damper fr om wir e harness and remove flu e damper from top of water h eater.
Pag e 15 SERVICE PROCEDURE D24-VI Anode R emoval and Inspectio n S tep 1. Discon nect (unpl ug) water h eater from el ectrical sup ply. Step 2. Turn “ OFF” water su pply to wate r heater. S tep 3. Open a near by hot water fauce t to reliev e tank pres sure.
Pag e 16 Ge neric Part s List 1. D raft Diverter w /Leg Kit. 2. D raft Diverter. 3. D raft Div erter Le g. 4. D amper Out let Redu cer. 5. Flue D amper. 6. H ot Outlet N i pple. 7. C old Water Inl e t D ip T ube. 8. H ex Head Anode . 9. Flue B affle. 10.
Ge neric Part s List 1A. Draft Pan e l. 2A. Burner Rack. 3A. Burner Tube. 4A. Gas V alve. 5A. Burner Manifold. 6A. Main Burne r Orifice . 7A. Pilo t Shield. 8A. Pilo t Burner. 9A. Pilo t O ri fice. 10A. Pil ot Tubing. 11A. P i lot Mounting S crew . 12A.
Ge neric Part s List 1C. Temperature C ont rol Kno b. 2C . Po te nt iom ete r G as ket . 3C. Potentiomet er (Temperat ure Co ntrol). 4C. 7/8" Snap Bush ing. 5C. Tem pe rature Scale Plate. 6C . Con tr ol Box Pa nel . 7C. Terminal Stri p. 8C. G rou nd Terminal .
NOTES Pag e 19 Glos sary of Te rm s AC Alternati ng Current BTU/H British Ther mal Un i ts CO Carbon Monoxide CO2 Carbon Dioxide DC Direct Curr ent ECO Ener gy Cut O ff GFI Grou nd fault inter r upt G.
Email parts@bradfordwhite.com techserv@bradfordwhite.com www .bradfordwhite.com.
デバイスBradford-White Corp Commerical 24 Volt Flue Damper series Water Heater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 Commerical 24 Volt Flue Damper series Water Heater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 Commerical 24 Volt Flue Damper series Water Heater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 Commerical 24 Volt Flue Damper series Water Heater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 Commerical 24 Volt Flue Damper series Water Heater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 Commerical 24 Volt Flue Damper series Water Heater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 Commerical 24 Volt Flue Damper series Water Heater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 Commerical 24 Volt Flue Damper series Water Heater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 Commerical 24 Volt Flue Damper series Water Heater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。
