A.O. Smith 197835-001

General safetY

Contents

Main Instruction Manual power vent/power dIrect vent Gas Models wIth hot surface IGnItIon for Your safety AN ODORANT IS ADDED TO THE GAS USED BY THIS WATER HEATER. safe InstallatIon, use and servIce Page Page IntroductIon preparInG for the InstallatIon taBle of contents Get to Know Your water heater - Gas Models replaceMent parts and delIMInG products InstallatIon consIderatIons rouGh In dIMensIons FIGURE 1A. InstallatIon requIreMents for the coMMonwealth of Massachusetts water pIpInG - MIXInG valve usaGe facts to consIder aBout the locatIon FIGURE 4. InsulatIon BlanKets coMBustIon aIr and ventIlatIon FIGURE 5. applIances In unconfIned spaces applIances In confIned spaces Page InstallInG the new water heater closed water sYsteMs therMal eXpansIon cheMIcal vapor corrosIon water pIpInG teMperature-pressure relIef valve Gas pIpInG hIGh altItude InstallatIons sedIMent traps fIllInG the water heater ventInG vent pIpe terMInatIon u.s. power vent canadIan power vent u.s. dIrect vent canadIan dIrect vent plannInG the vent sYsteM condensate InstallatIon of vent sYsteM vent terMInal InstallatIon, sIdewall SEQUENCE OF INSTALLATIONS, FIGURE 18A dIrect ventInG dIrect vent terMInal InstallatIon IMportant InstallatIon sequence vertIcal vent terMInal InstallatIon InstallatIon of vent sYsteM, sIdewall InstallatIon of vertIcal vent sYsteM concentrIc vent InstallatIon KIt coMponents safetY consIderatIons INSTALLATION PROCEDURE 1 ROOF TERMINATION, see figure c. warnInG cautIon PROCEDURE 2 SIDE WALL TERMINATION, see Figure F. warnInG cautIon MultI-concentrIc vent terMInatIons vent pIpe preparatIon RECOMMENDED BRUSH* SIZE FOR PRIMER and ceMent applIcatIons Page controls and swItches Blower prover swItch BlocKed eXhaust swItch BlocKed IntaKe swItch on/off swItch Page Operating Set Point Menu Help 120 F warnInG: If you do not follow these instructions exactly, a fire operatInG InstructIons to turn off Gas to applIance for Your safetY read Before lIGhtInG teMperature reGulatIon Page 3. Adjusting the Operating Set Point 2. Operating States 3. Changing the Display Units 4. Fault Conditions 5. Access to the Current Fault 6. Viewing the Fault History 7. Viewing Information About the Heater for Your InforMatIon start up condItIons operatIonal condItIons ventInG sYsteM InspectIon Burner operatIon and InspectIon perIodIc MaIntenance Burner cleanInG houseKeepInG anode rod InspectIon teMperature-pressure relIef valve operatIon draInInG leaKaGe checKpoInts servIce proBleMs trouBleshootInG GuIdelInes Theseguidelinesshouldbeutilizedbyaqualiedserviceagent. Page Page lIMIted resIdentIal Gas warrantY condItIons and eXceptIons servIce and laBor responsIBIlItY lIMItatIon on IMplIed warrantIes claIM procedure