Boschメーカー250 SXO LPの使用説明書/サービス説明書
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MO DE L 25 0 SX O - OUTD OO R MO D E L For exterior use only Elec t roni c Ignitio n and built in Freez e pr ote c tio n Suit able for hea t ing pot able wat er only Not appr oved for spac e heat i ng purpos es 250 S XO NG - Na tural G as 250 S XO LP - L iquefied Petroleum (LP) G as 6 720 607 440 U S (05.
6 720 607 440 2 Index Index 1 Warning 2 2 Appliance details 4 2.1 Features 4 2.2 250 SXO Specifications (Technical data) 4 2.3 Dimensions and Minimum installation clearances 6 2.4 General rules to follow for safe operation 7 2.5 Proper location for installing your heater 7 2.
6 720 607 440 Warning 3 What to do if you smell gas • Close gas valve . • Do not try to lig ht any appliance. • Do not touch any e lectrical switch; d o not use any phone in your bui lding. • Immediately call your gas suppli er fro m a neig hbor’s phone.
6 720 607 440 4 Appliance de tails 2 Applia nce deta ils 2.1 Features Parts • Touch Pad interfac e control • High po wer p re-mix com pact burne r with low NOx emissions • Modulating Gas Valve with con stant gas: air ratio control • Modulating water valve for i mproved comfort and temperature control • Freeze protection.
6 720 607 440 Appliance detai ls 5 Combustion • NOx ≤ 55 ppm • CO ≤ 250 ppm. Dimensio ns • Depth (in): 8 ½” (2 20 mm) • Width (in): 15 ¾ ” (400 mm) • Height (in): 26” (650 mm) • Weight: 47 poun ds (21 kg). Gas types Natural Gas.
6 720 607 440 6 Appliance de tails 2.3 Dimensions and Minimum installation clearances Fig. 3 Dimensions 1 Cover 2 On/Off s witch 3 Reset button 4 LCD d isplay 5 Program button 6 Tempe rature bu ttons Fig. 4 Minimum clea rances Model 250 SXO TOP (A) 3 ft.
6 720 607 440 Appliance detai ls 7 2.4 General rule s to f ollow for sa fe operation B 1. You should follow these instructions wh en you install your heater. In the United States: The installation must conform with loca l codes or, in t he absence of local codes, the National Fuel Gas Code ANSI Z223.
6 720 607 440 8 Appliance de tails 2.6 Heater Placement and Clearances The 250 S XO is design ce rtified for ins tallation directly on a combu stible wall . (see 2.7 Mount ing installatio n) For installat ion o n vinyl s iding see Fig . 10. Keep the area below the heate r free of combus tible material.
6 720 607 440 Appliance detai ls 9 B After i nspection, replace front cover and tighten screws, then repla ce plastic decal s hields. B Fix the top vent cap on the top of t he heater, as shown i n Fig.
6 720 607 440 10 Appliance de tails 2.8 Gas piping & connections Before connecting the gas supply, check the rating plate on the right side of the hea ter to be s ure that the heater is rated for the same gas to which it w ill be connected.
6 720 607 440 Appliance detai ls 11 FOR NA TU R AL GAS Maximum C apacity of pipe in Cub ic Feet of Gas per Hou r for Gas Pressure of 0.5 Psig or less and a Pressure drop of 0.3 in W ater Column (0.75mba r).(Based on a 0.60 Specific Gravity Ga s) Btu number s given in thousands.
6 720 607 440 12 Appliance de tails 2.9 Measuring gas pressure 2.9.1 Connecting Manometer B Shut off gas . B Remove front cover and locat e i nlet g as pressure measuring point (see Fig. 14). B Loosen s crew inside test poi nt fitting ( do not re move) and conne ct manometer tube on test point.
6 720 607 440 Appliance detai ls 13 2.10 Wat er connections When facing the heater, the ¾” co ld water inlet is o n the bottom right and the hot water o utlet is on the bottom left. Install th e heater where it’s centrally close to hot water use poin ts i f possible, and make h ot water piping runs as short a s possible.
6 720 607 440 14 Appliance de tails 2.11 E lectrical connections The 250 SXO requires a n electrical power suppl y from a 120 VAC 60H z circuit and must be properly grounded. A means for switching off the 120VAC powe r supply must be prov ided. The heater is wired a s shown in the wiring diagra m (chapter 6, Fig.
6 720 607 440 Appliance detai ls 15 2.13 F or your safety read before operating your water heater A. This appliance is equip ped with electron ic ignition for lighting the mai n burners. When turning th e heat er on, follow these in structions exactly.
6 720 607 440 16 Operation inst ructions 3 Opera tion inst ructions Fig. 19 1 On/Off s witch 2 Reset button 3 Program button 4 Increas ing tempera ture bu tton 5 Decrea sing temp erature b utton 6 LCD d isplay 3.1 Power On B T o start t he a ppliance switch th e b utton to the ON position ( turn to th e right position ).
6 720 607 440 Operation inst ructions 17 Setting the wa ter temperature The desired te mperature of the hot water can be adju sted on the front control panel of the he ater.
6 720 607 440 18 Operation inst ructions 3.3 Use of remote control accessory Fig. 23 Remote control The wi reless re mote cont rol accessory and the temperature select or buttons on the front of the water heater operate identic ally. Con tact you r distrib utor or CEC to order if th e remote c ontrol acce ssory is preferred.
6 720 607 440 Maintenance a nd service 19 4 Mai ntenance a nd servic e The unit should be checked once a year by a gas technician. If repairs are nee ded, t he re pairs should be done by a gas technician To remove fr ont cover B See instruction s to remove front cove r on page 8.
6 720 607 440 20 Troubleshoot ing Test by foll owing 4th bullet under B URNERS DO NOT IGNITE WHEN HOT WATER IS TURNED ON. LOW WATER FLOW/PRESSUR E • Too many ho t wate r applicat ions are being used simultaneously or too much flow is being demande d The 250 SXO will effectively support two 2.
6 720 607 440 Troubleshooti ng 21 Display Cause Solution E9 Temperature limiter opened circuit (overheat). Trips at 220F (104C). Check connections. * Check heat exchanger condition.* EA No ionization duri ng safety time ( safety ti me out). Note: appliance makes 3 ignition attempts before entering error mode “EA”.
6 720 607 440 22 Electrical dia gram 6 Electri cal dia gram Fig. 29 Electrical scheme 1 Intlet wa ter temp erature se nsor 2 Ionizat ion sensor 3 Water flow sens or 4 Over h eat protec tion 5 Tempe ra.
6 720 607 440 250 SXO Fu nctional scheme 23 7 250 S XO Fun ctional sch eme Fig. 31 Functional scheme.
6 720 607 440 24 Interior compon ents diagram and parts list 8 Interio r comp onents di agram a nd parts li st 8.1 Interior components Fig. 32 Components 1 Cover 2 On/Off s witch 3 Reset button 4 LCD .
6 720 607 440 Interior compon ents diagram and parts list 25 8.2 Components diagram Fig. 34 Components Diagra m.
6 720 607 440 26 Interior compon ents diagram and parts list 8.3 Parts list Item Description Reference 1 Front cover 8 7 05 42 1 9 1 5 2 Shield 8 7 05 506 753 3 Heat exch anger 8 7 05 406 28 5 4 Heat .
6 720 607 440 Special ad justment for measu ring and adjusti ng CO2 levels 27 9 Spec ial adjus tment for measur ing and a djusting CO 2 levels The CO 2 can only be a djusted by a cert ified gas technician with a calibrated CO 2 analyzer.
6 720 607 440 28 Special adjust ment for measur ing and adjustin g CO2 levels D. Returnin g to Service: 1. Return slot ted cover to original position. 2. Reinstall Torx cover. 3. R emove CO 2 a nalyzer p robe a nd reinstall plu g i n exhaust collar. 4.
6 720 607 440 Protecting the environment 29 10 Pr otecting the envir onment Packing The p acking box may be fully re cycled as confirmed by the recyclin g symbol . Componen ts Many parts in th e heater can be fully recycled in the end of the product life.
6 720 607 440 30 Twelve Year Limited Warrant y 11 Twe lve Yea r Limited Warranty General Aquastar w ater heat ers are w arranted by the Manufacturer (BOSCH) through Controlle d Energy Corp.
R e c yc led pa per I n s t a l l e r C h e c k l i s t , t o b e p e r f o r m e d b y i n s t a l l e r u p o n i n s t a l l a t i o n S e ri al N u m be r ___ ___ ___ ___ __ _ _ __ __ _ _ __ ( 8 d.
デバイスBosch 250 SXO LP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：
Bosch 250 SXO LP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Bosch 250 SXO LP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。Bosch 250 SXO LP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。Bosch 250 SXO LP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。
Bosch 250 SXO LP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Bosch 250 SXO LP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、Bosch 250 SXO LP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Bosch 250 SXO LP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。
