Desa TechメーカーCGN20TAの使用説明書/サービス説明書
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1 104190 OWNER’S MANUAL Save this manual for future reference. BLUE FLAME VENT -FREE NA TURAL GAS HEA TER OWNER’S OPERA TION AND INST ALLA TION MANUAL WARNING: 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.
2 104190 Blue Flame V ent-Fr ee Natural Gas Heater CGN20T A SAFETY INFORMA TION WARNING ICON G 001 WARNINGS IMPORTANT: Read this owner’s manual carefully and completely before trying to assemble, oper- ate, or service this heater.
3 104190 OWNER’S MANUAL PRODUCT IDENTIFICA TION LOCAL CODES Install and use heater with care. Follow all local codes. In the absence of local codes, use the latest edition of the National Fuel Gas Code ANSI Z223 , also known as NFPA 54*. *Available from: American National Standards Institute, Inc.
4 104190 Blue Flame V ent-Fr ee Natural Gas Heater CGN20T A FRESH AIR FOR COMBUSTION AND VENTILA TION Today’s homes are built more energy effi- cient than ever. New materials, increased insulation, and new construction methods help reduce heat loss in homes.
5 104190 OWNER’S MANUAL FRESH AIR FOR COMBUSTION AND VENTILA TION Continued DETERMINING FRESH-AIR FLOW FOR HEATER LOCATION Determining if You Have a Confined or Unconfined Space Use this worksheet to determine if you have a confined or unconfined space.
6 104190 Blue Flame V ent-Fr ee Natural Gas Heater CGN20T A Or Remove Door into Adjoining Room, Option 3 Ventilation Grills Into Adjoining Room, Option 2 12" 12" Ventilation Grills into Adjo.
7 104190 OWNER’S MANUAL INST ALLA TION NOTICE: A qualified service per- son must install heater. Follow all local codes. CHECK GAS TYPE Use only natural gas. If your gas supply is not natural gas, do not install heater. Call dealer where you bought heater for proper type heater.
8 104190 Blue Flame V ent-Fr ee Natural Gas Heater CGN20T A 16" 18 3/4" Min. 7 1/4" Min. Adjoining Wall Only Insert Mounting Screws Through Last Hole On Each End Floor Marking Screw Locations 1. T ape mounting brack et to wall where heater will be located.
9 104190 OWNER’S MANUAL INST ALLA TION Continued Figure 9 - Folding Anchor 3. Insert wall anchor (wings first) into hole. T ap anchor flush to wall. 4. For thin walls (1/2" or less), insert red key into w all anchor. Push r ed key to “pop” open anchor wings.
10 104190 Blue Flame V ent-Fr ee Natural Gas Heater CGN20T A IMPORTANT: Hold pressure regulator with wrench when connecting it to gas pip- ing and/or fittings.
11 104190 OWNER’S MANUAL WARNING: Test all gas pip- ing and connections for leaks after installation or servicing. Correct all leaks at once. WARNING: Never use an open flame to check for a leak. Apply a mixture of liquid soap and water to all joints.
12 104190 Blue Flame V ent-Fr ee Natural Gas Heater CGN20T A TO TURN OFF GAS TO APPLIANCE CAUTION: Do not try to adjust heating levels by using the manual shutoff valve. Thermocouple Ignitor Electrode Figure 17 - Pilot Pilot Burner OPERA TING HEA TER FOR YOUR SAFETY READ BEFORE LIGHTING A.
13 104190 OWNER’S MANUAL OPERA TING HEA TER Continued THERMOSTAT CONTROL OPERATION The thermostatic control used on these models differs from standard thermo- stats. Standard thermostats simply turn on and off the burner. The thermostat used on this heater senses the room tem- perature.
14 104190 Blue Flame V ent-Fr ee Natural Gas Heater CGN20T A TROUBLESHOOTING Note: All troubleshooting items are listed in order of operation. WARNING: Turn off and un- plug heater and let cool before servicing. Only a qualified ser- vice person should service and repair heater.
15 104190 OWNER’S MANUAL TROUBLESHOOTING Continued OBSERVED PROBLEM Burner does not light after ODS/pilot is lit Delayed ignition of burner Burner backfiring during combustion Yellow flame during burner combustion Slight smoke or odor during initial opera- tion Heater produces a whistling noise when burner is lit REMEDY 1.
16 104190 Blue Flame V ent-Fr ee Natural Gas Heater CGN20T A TROUBLESHOOTING Continued WARNING: If you smell gas • Shut off gas supply. • Do not try to light any appliance. • Do not touch any electrical switch; do not use any phone in your building.
17 104190 OWNER’S MANUAL TECHNICAL SER VICE You may have further questions about in- stallation, operation, or troubleshooting. If so, contact DESA International’s Technical Service Department at 1-800-323-5190. CGN20TA Btu (Variable) 10,000/20,000 Type Gas Natural Only Ignition Piezo Pressure Regulator Setting 3" W.
18 104190 Blue Flame V ent-Fr ee Natural Gas Heater CGN20T A These Parts Centrals are privately owned businesses. They have agreed to support our customer’s needs by providing original replacement parts and accessories.
19 104190 OWNER’S MANUAL ACCESSORIES Purchase these heater accessories from your local dealer. If they can not supply these accessories, either contact your nearest Parts Central (see page 18) or call DESA International’s Parts Department at 1-800- 972-7879 for referral information.
20 104190 Blue Flame V ent-Fr ee Natural Gas Heater CGN20T A ILLUSTRA TED PAR TS BREAKDOWN CGN20TA 12 ODS/Pilot Assembly 12-1 12-2 1 2 3 4 5 6 7 8 9 10 10 11 12 13 14 15 17 19 20 21 22 23 24 26 25 18 .
21 104190 OWNER’S MANUAL P ARTS LIST CGN20TA This list contains replaceable parts used in your heater. When ordering parts, follow the instructions listed under Replacement Parts on page 17 of this manual.
22 104190 Blue Flame V ent-Fr ee Natural Gas Heater CGN20T A NOTES _______________________________________________________________________________________________ _____________________________________.
23 104190 OWNER’S MANUAL NOTES _______________________________________________________________________________________________ _______________________________________________________________________.
LIMITED WARRANTY COMFORT GLOW VENT-FREE NATURAL GAS HEATERS DESA International warrants this product to be free from defects in materials and components for two (2) years from the date of first purchase, provided that the product has been properly installed, operated and maintained in accordance with all applicable instructions.
デバイスDesa Tech CGN20TA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：
Desa Tech CGN20TA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Desa Tech CGN20TA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。Desa Tech CGN20TA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。Desa Tech CGN20TA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。
Desa Tech CGN20TA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Desa Tech CGN20TA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、Desa Tech CGN20TA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Desa Tech CGN20TA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。
