A.O. Smith HW 610 Instruction Manual

PRINTED 0313 213064-001MODELS HW-120M, 160M, 200M, 225M COMMERCIAL GAS COPPER HEAT EXCHANGER WATER HEATERBURKAY UP-FLOW MODELSIncluding Models with I

10INSTALLATION INSTRUCTIONSIMPORTANTStrict adherence to installation wiring diagrams shown in this manual is required to prevent constant pump operati

11CONFINED SPACEWhen drawing combustion and dilution air from inside a conventionallyconstructedbuildingtoaconnedspace,suchaspace shall be p

12Your local code authority may have other specic relief valverequirements not covered in this section.THE PURPOSE OF A RELIEF VALVE IS TO

13PIPING DIAGRAMS(USE THIS DIAGRAM FOR STRAIGHT RECOVERY SYSTEMS SUPPLYING HOT WATER AT ONE TEMPERATURE ONLY)FIGURE 7 DANGERTEMPERATURE SETTING SHOULD

14FIGURE 8 DANGERTEMPERATURE SETTING SHOULD NOT EXCEED SAFE USE TEMPERATURE AT FIXTURES. SEE WATER TEMPERATURE CONTROL WARNING ON PAGE 21. IF HIGHER P

15FIGURE 9 DANGERTEMPERATURE SETTING SHOULD NOT EXCEED SAFE USE TEMPERATURE AT FIXTURES. SEE WATER TEMPERATURE CONTROL WARNING ON PAGE 21. IF HIGHER

16GAS CONNECTIONS WARNINGTHE INLET GAS PRESSURE MUST NOT EXCEED THE VALUE SPECIFIED BY THE MANUFACTURER ON THE RATING PLATE (10.5” W.C. - NATURAL GAS,

17ELECTRICAL WIRING DIAGRAMS FOR THE HW-120M, 160M, 200M AND 225M WATER HEATERS I.I.D. SYSTEM (NATURAL)FIGURE 10A minimum gas supply pressure of

18ELECTRICAL WIRING DIAGRAMS FOR THE HW-120M, 160M, AND 200M WATER HEATERS I.I.D. SYSTEM (PROPANE)FIGURE 11

19OPERATIONIMPORTANTOnlyqualiedpersonnelshallperformtheinitialringoftheheater.At this time the user should not hesitate to ask the start

2GENERAL SAFETY

20OPERATING INSTRUCTIONS FOR I.I.D. MODELSTheI.I.D.modelshaveanautomaticintermittentsparkignitionsystem,gure3,mountedonthejacketatth

21 DANGERHOT WATER TEMPERATURES REQUIRED FOR AUTOMATIC DISHWASHER AND LAUNDRY USE CAN CAUSE SCALD BURNS RESULTINGINSERIOUSPERSONALINJURYAND/ORDE

22SERVICE INFORMATIONThe installer may be able to observe and correct certain problems which may arise when the unit is put into operation. HOWEVER,

23PILOT BURNER USED ON I.I.D. SYSTEMSFIGURE 14PROTECTOR SWITCH(COIL HIGH LIMIT - ALL HEATERS)Ifthe protector switch,g2,should shut offunit,

24PREVENTIVE MAINTENANCERECOMMENDED PROCEDURE FOR PERIODIC REMOVAL OF LIME DEPOSITS FROM COIL TYPE COMMERCIAL WATER HEATERS CAUTIONDO NOT USE A NYLON

25The usage of water softening equipment greatly reduces the hardness of the water. However, this equipment does not always remove all of the har

26CHART 1 - CER-TEMP 80 RECOVERY SYSTEM CHECKOUT PROCEDURE(USETHISCHECKOUTFORCER-TEMP80RECOVERYSYSTEMS)CHECKOUTThe checkout sequence should be

27 CHART 2S8600/S8610 (NATURAL GAS AND LP GAS)INTERMITTENT PILOT SYSTEM TROUBLESHOOTINGNO SPARK AT PILOT BURNERTurn gas supply off.Isvoltage(24Vac)

28CHART 2S8600/S8610 (NATURAL GAS AND LP GAS) INTERMITTENT PILOT SYSTEM TROUBLESHOOTINGEnsureallmanualshutoffvalvesarefullyopen;Allltersare

29CHART 2S8600/S8610 (NATURAL GAS AND LP GAS) INTERMITTENT PILOT SYSTEM TROUBLESHOOTINGPILOT BURNER LIGHTS BUT MAIN BURNER DOES NOT LIGHTDoesthepilo

3SAFE INSTALLATION, USE AND SERVICEYour safety and the safety of others is extremely important in the installation, use, and servicing of this water h

30CHART 3LED STATUS AND TROUBLE SHOOTINGThe following procedures are provided as a general guide. Any module should be replaced if it does not perform

31Green LEDFlash Code(X + Y)aIndicatesNext System ActionRecommendedService ActionOFF No “Call for Heat” not applicable noneFlash Fast Startup - Flame

32Green LEDFlash Code(X + Y)aIndicatesNext System ActionRecommendedService ActionOFF No “Call for Heat” not applicable noneFlash Fast Startup - Flame

33NOTES

34NOTES

35MODEL HW LIMITED WARRANTYA. O. Smith Corporation, the warrantor, extends the following LIMITED WARRANTY to the owner of this water heater.1. If wit

36500 Tennessee Waltz ParkwayAshland City, TN 37015www.hotwater.com

4TABLE 2 - RECOVERY CAPACITIES ModelInputU.S. Gallons/Hrs. and Litres/Hr. at TEMPERATURE RISE INDICATEDT ° F 20 40 50 60 70 80BTUH KW T ° C 11.1 22.2

5FOREWORDThis design complies with the current edition of the ANSI Standard Z21.10.3 for gas water heaters Vol. III Storage Water Heaters with input r

6SHOULD OVERHEATING OCCUR OR THE GAS SUPPLY FAIL TO SHUT OFF, TURN OFF THE MANUAL GAS CONTROL VALVE TO THE WATER HEATER.Heater must be protected from

7AUTOMATIC GAS SHUTOFF CONTROLTheautomaticgasshutoffcontrol,g.1,isanautomaticsafetydevice which activates at a water temperature of approx

84. Discontinuesignitionsparkwhenpilotameisestablished.TheS8600 / S8610controlusedonpropanegasmodelsprovidessafetylockoutifpilot

9 CAUTIONAny part of the paddle must not touch the pipe or any restrictions inthepipe.Screwtheowswitchinpositionsotheatofthepaddleis