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Manual A.O. Smith 197835-001

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  • A.O. Smith 197835-001 - page 1

    1 Instruction Manual PRINTED IN THE U .S .A 1 208 1 97 835-001 KEEP THIS MANUAL IN THE POCKET ON HEA TER FOR FUTURE REFERENCE WHENEVER MAINTENANCE ADJUSTMENT OR SERVICE IS REQUIRED. POWER VENT/POWER DIRECT VENT GAS MODELS WITH HOT SURF ACE IGNITION ALL TECHNICAL AND W ARRANTY QUESTIONS: SH OUL D BE DIR EC TE D TO TH E LOC AL DEA LE R FRO M WH OM TH ...

  • A.O. Smith 197835-001 - page 2

    2 SAFE INST ALLA TION, USE AND SERVICE Y our safety and the safety of others is extremely important in the installation, use and servicing of this water heater . Ma ny s afe ty- re lat ed me ss age s and ins tru cti on s hav e be en pr ovi de d in th is ma nua l an d on yo ur ow n wa ter he at er to w arn yo u an d ot he rs of a p ot en ti al in ju ...

  • A.O. Smith 197835-001 - page 3

    3 GENERAL SAFETY ...

  • A.O. Smith 197835-001 - page 4

    4 GENERAL SAFETY ...

  • A.O. Smith 197835-001 - page 5

    5 Thank Y ou forpurchasingthis waterheater .Properlyinstalled and maintained,itshouldgiveyouyearsoftroublefreeservice. Abbreviations Found In This Instruction Manual: • CSA -CanadianStandards Association • ANSI- AmericanNationalStandardsInstitute • NF ...

  • A.O. Smith 197835-001 - page 6

    6 * CAUTION HARNESS HAS 120 VAC. IN OPERATION. ** See “Planning the Vent System,” “Installation of Vent System” and “Condensate” for more information. FIGURE 1. V ACUUM RELIEF V AL VE *INST ALL PER LOCAL CODES M Display Enclosure ** N Exhaust Elbow Assembly ** O Condensate T ubing P Off/On Switch Q Display Label R Hot W ater Outlet *S E ...

  • A.O. Smith 197835-001 - page 7

    7 Rough-In-Dimensions Model Units A B C D E F 100 Inches 68.50 49.25 22.00 15.75 3.00 8.00 cm 174 125.09 55.88 40.00 7.62 20.32 T op/Side Inlet and Outlet: 3/4” NPT Gas Inlet: 1/2” NPT Capacity , Gas and Electrical Characteristics Model ApproximateCapacity Manifold Pressure Electrical Characteristics U.S. Gals. Liters GasT ype “WC kP A ...

  • A.O. Smith 197835-001 - page 8

    8 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part forresidential purposes, including thoseowned ...

  • A.O. Smith 197835-001 - page 9

    9 FIGURE 2. W A TER PIPING - MIXING V AL VE USAGE This appliance has been design certified as complying with American National Standard/CSA Standard for water heaters and is considered suitable for: W ater (Potable) Heating and Space Heating:  All models are consideredsuitablefor? ...

  • A.O. Smith 197835-001 - page 10

    10 F ACTS TO CONSIDER ABOUT THE LOCA TION Car eful ly cho ose an in door lo cati on for th e new wa ter he ater , beca use the placementis a very importantconsideration for the safetyof the occupants in the building and for the most economical use of the appliance. This wate ...

  • A.O. Smith 197835-001 - page 11

    11 in an alcove or closet, the entire oormust be covered bythe panel. Failuretoheedthiswarningmayresultinarehazard. Minimum clearances between the water heater and combustible con stru ctio n are 0 i nc h at the sides an d r ...

  • A.O. Smith 197835-001 - page 12

    12 a f r ee  areaofone squareinchper 1000Btu/hr(22cm 2 /kW) ofthe total inputof all appliances inthe enclosure, but notless than 100 squareinches(645cm 2 ). Ifthe conned space iswithin a building oftight construction, air ...

  • A.O. Smith 197835-001 - page 13

    13 CLOSED W A TER SYSTEMS W ater supply systems may , because of code requirements or such conditions as high line pressure, among others, have installed devices  such as pressure reducing valves, check valves, and back ow preventers. Devicessuchas ...

  • A.O. Smith 197835-001 - page 14

    14 Figures2 and 10show the typicalattachment of thewater piping to the water heater . The water heater is equipped with 3/4 inch NPT water connections. NOTE: If using copper tubing, solder tubing to an adapter before attaching the adapter to the water heater connections. Do ...

  • A.O. Smith 197835-001 - page 15

    15 The te mper ature - pr essu re reli ef valve must b e manu ally  o p e r a t e d a t l e a s t o n c e a y e a r , s e e F i g u r e 2 8 . C a u t i o n s h o u l d b e  takento ensur e th at ( 1 )no oneis in f rontof oraroundthe ou tlet of? ...

  • A.O. Smith 197835-001 - page 16

    16 SEDIMENT TRAPS A  sediment trap should be installed as close to the gas inlet of the water  heater as practical at the time of water heater installation. The sediment  tra pshould  beei theratee tting  wit hacapped nipple  inth ...

  • A.O. Smith 197835-001 - page 17

    17 FIGURE 15B. U.S. POWER VENT CANADIAN POWER VENT W ARNING VENT HOOD(S) MA Y BE EXTREMEL Y HOT DURING OPERA TION. W ARNING VENT HOOD(S) MA Y BE EXTREMEL Y HOT DURING OPERA TION. FIGURE 15A. CAUTION TO PREVENT EXHAUSTING PRODUCTS FROM CIRCULA TING TO THE AIR INT AKE IN WINDY/COLD AREAS, THE MAXIMUM PRACTICAL DIST ANCE BETWEEN THESE TWO TERMINALS IS ...

  • A.O. Smith 197835-001 - page 18

    18 FIGURE 15D. U.S. DIRECT VENT CANADIAN DIRECT VENT W ARNING VENT HOOD(S) MA Y BE EXTREMEL Y HOT DURING OPERA TION. W ARNING VENT HOOD(S) MA Y BE EXTREMEL Y HOT DURING OPERA TION. FIGURE 15C. CAUTION TO PREVENT EXHAUSTING PRODUCTS FROM CIRCULA TING TO THE AIR INT AKE IN WINDY/COLD AREAS, THE MAXIMUM PRACTICAL DIST ANCE BETWEEN THESE TWO TERMINALS ...

  • A.O. Smith 197835-001 - page 19

    19 PLANNING THE VENT SYSTEM Plan the route of the vent system from the exhaust elbow to the plannedlocationoftheventterminal. 1. Layout total vent systemtousea minimumofventpipeandelbows. 2. Thiswater heateriscapableof ventingu ...

  • A.O. Smith 197835-001 - page 20

    20 INST ALLA TION OF VENT SYSTEM Beforebeginning installation of pipingsystem thoroughly read thesectionofthismanualVENTPIPEPREP ARA TION. If you are installing your system so that it vents through roof, please refer to section  titled INSTALLATION ...

  • A.O. Smith 197835-001 - page 21

    21 INST ALLA TION SEQUENCE For installations in the City of LosAngeles, California Category IV PVCPipesuch asthatmanufacturedbyBrownline PipeCompany , mustbeusedasventpipematerial. CAUTION VENT TERMINALS SUPPLIED WITH HEA TER MUST BE USED. NOTE: BEFORE BEGINNING INSTAL ...

  • A.O. Smith 197835-001 - page 22

    22 INST ALLA TION OF VENT SYSTEM, SIDEW ALL With the route of the venting system and selection of materials completed,  as d isc uss ed in t he se cti on of t his m anu al ti tle d PLA NNI NG TH E VEN T SYSTEM, the through the wall vent terminal in place ...

  • A.O. Smith 197835-001 - page 23

    23 Thi s c onc entr icvent ter minat ionkitmay beusedwith 3or 4inchdiamete r pi pe sy st em s. Whe nco nn ect in gt oa4  in .  d ia me te rpi pe  s ys te m  a3  x  4 in ch  el d su pp li ed  r edu ce r is  to  be  in sta ll ed  at  t ...

  • A.O. Smith 197835-001 - page 24

    24 5. Secure assemblyto roofstructure as shownin Figure Eusing  fieldsuppliedmetalstrappingorequivalentsupportmaterial. NOTE: Ensure termination height is above the roof surface or anticipated snow level (1 ft. in U.S.A. or 1-1/2 ft. in Canada) as shown in Figure C. 6 .  Install rain ...

  • A.O. Smith 197835-001 - page 25

    25 8. Operate heater through 1 heat cycle to ensure combustion-ai r and ventpipesareproperlyconnectedtoconcentricventtermination connections. FIGURE G. MUL TI-CONCENTRIC VENT TERMINA TIONS When two or more appliances are directed vented with concentric vent ...

  • A.O. Smith 197835-001 - page 26

    26 VENT PIPE PREP ARA TION 1. INITIAL PREP ARA TION.  A .)  Make sure the solvent cement you are planning to use  isdesignedforthespecicapplicationyouareattempting. B.) Kn ow  t he  p hy si ca l an d  ch em i ca l ch ar ac te ri st i cs  a nd  l im it at io ns ? ...

  • A.O. Smith 197835-001 - page 27

    27 B. Deburring  Us e ak ni fe, p las ti cp ip ed eb ur ri ng to ol, o rf il et or em ov eb ur rs fr om the end of small diameter pipe. Be sure to remove all burrs from ar ou nd  th e ins id e as we ll  as  th e ou tsi de  of  th e pi pe . ...

  • A.O. Smith 197835-001 - page 28

    28 CONTROLS AND SWITCHES This model is provided  with three pressur e switch es. These switche s are essential to the safe and proper operation of the unit. All switches are wired in series. The controller is set up to shut the unit down w ...

  • A.O. Smith 197835-001 - page 29

    29 CAUTION LABEL ALL WIRES PRIOR TO DISCONNECTION WHEN SERVICING CONTROLS. WIRING ERRORS CAN CAUSE IMPROPER AND DANGEROUS OPERA TION. VERIFY PROPER OPERA TION AFTER SERVICING. POWER VENT WIRING SCHEMA TIC - FIGURE 24. THI S WATER H EATER IS P OL ARIT Y S ENSIT V E. B E F O R E A P P LY I N G ELECTRICITY TO THIS H E ATER B E C E RTA IN THA T SUPPL Y ...

  • A.O. Smith 197835-001 - page 30

    30 UP Operating Set Point Status: Heating Menu H elp 120 F DN OFF GAS O N W ARNING: If you do not follow these instructions exactly , a fire or explosion may result causing property damage, personal injury or loss of life. A. This appliance does not have a pilot.  It is equippe d with an ignition device? ...

  • A.O. Smith 197835-001 - page 31

    31 The water temperature is controlled using the T emperature  Control on the Display at the front of the unit (See Figure 1). Thiscontrol utilizes a temperatureprobe to determine thetank temperature. The primary temperature probe is locat ...

  • A.O. Smith 197835-001 - page 32

    32 USING THE ELECTRONIC CONTROLLER 1. Overview Interactionwith thewaterheater controllerisdone throughan up,adown, andthree operationbuttons.Thesebuttons areillustratedto the right.Operation of thethree lowerbuttons isdened immediatelyabove them ...

  • A.O. Smith 197835-001 - page 33

    33 3. Adjusting the Operating Set Point The Operating Set Point ofthiswaterheaterdeterminestheregulated temperatureforthewaterinthetank.Thisparameterisadjustedinthe T emperaturemenu.Itemsinthismenuallowyoutomonitordifferent temperaturereadingsin ...

  • A.O. Smith 197835-001 - page 34

    34 3. Changing the Display Units The display interface to the heater has the option of selecting between degrees Fahrenheit and degrees Celsius for temperature displays. This canbefoundinthe“DisplaySettings”menu.Alsointhismenu,youmay adjust? ...

  • A.O. Smith 197835-001 - page 35

    35 ACTION: T ogettothecurrentfaultinformationscreen,press Menu. DISPLA Y : ACTION: Press the DOWN buttontohighlight"currentFault"andpress Select. DISPLA Y : ACTION: Press the DOWN buttonformoreinformation. DISPLA Y : 6. Viewing the Fault History The controller for this water h ...

  • A.O. Smith 197835-001 - page 36

    36 FOR YOUR INFORMA TION ST ART UP CONDITIONS SMOKE/ODOR Itis notuncommonto experienceasmall amountofsmoke and odor during the initial start-up. This is due to burning off of oil frommetalparts,andwilldisappearinashortwhile. THERMAL EXP ANSION W at ...

  • A.O. Smith 197835-001 - page 37

    37 VENTING SYSTEM INSPECTION At least once a year a visual inspection should be made of the venting system.Y oushouldlookfor: 1.Obst ruc tion s whi ch co uld c aus e imp rope r ven ting . Th e com bus tion andventilationairowmustnotbeobstruct ...

  • A.O. Smith 197835-001 - page 38

    38 INST ALLED IN SUIT ABLE  AREA: T o insure sufci ent venti lation and combu stion air supply , proper clearan ces from the wat er heat er mus t be maintained.  See “Facts to Consider About Location” section.  Combustible materials such as ...

  • A.O. Smith 197835-001 - page 39

    39 LEAKAGE CHECKPOINTS Neveruse thiswater heaterunlessit iscompletelylled withwater .  T o prevent damage to the tank, the tank must be lled with water .  W atermust owfromthehotwaterfaucet beforeturning“ON”gas to the wa ...

  • A.O. Smith 197835-001 - page 40

    40 PROBLEMS NOT ENOUGH HOT W A TER 1.)Blowerwillnotrun. a.“ON/OFF”controlswitchturnedoff. T urnswitchtothe“ON”position. b.Blowerunplugged. Plugblowerbackinto1 15V ACoutlet. c.Nopoweratoutlet. Repairservicetoout ...

  • A.O. Smith 197835-001 - page 41

    41 NOTES ...

  • A.O. Smith 197835-001 - page 42

    42 NOTES ...

  • A.O. Smith 197835-001 - page 43

    43 THIS WARRANTY IS APPLICABLE TO THE ORIGINAL OWNER ONL Y If the glass lined tank in this water heater shall prove upon examination by (the warrantor) to have leaked during the warranty period in normal residential use,due to natural corrosionfrom potable? ...

  • A.O. Smith 197835-001 - page 44

    44 500T ennesseeW altzParkway , AshlandCity ,TN37015 Phone:800-527-1953Fax:800-433-2515 www .hotwater .com ...

Manufacturer A.O. Smith Category Water Heater

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