A.O. Smith POWER VENT GAS Installation And Operating Manual Download

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Installation and Operating Manual

PRINTED IN U.S.A. 0610

316888-000 Rev. 00

KEEP THIS MANUAL IN THE POCKET ON HEATER FOR FUTURE REFERENCE

WHENEVER MAINTENANCE ADJUSTMENT OR SERVICE IS REQUIRED.

POWER VENT GAS MODELS

ALL TECHNICAL AND WARRANTY QUESTIONS:

SHOULD BE DIRECTED TO THE LOCAL DEALER FROM WHOM THE WATER HEATER WAS

PURCHASED.

HYBRID GAS WATER HEATERS

•

For Your Safety

•

AN ODORANT IS ADDED TO THE GAS USED

BY THIS WATER HEATER.

www.hotwater.com

ANSI Z21.10.3b-2008

CSA 4.3b-2008

Summary of Contents for POWER VENT GAS

Page 1: ...NEVER MAINTENANCE ADJUSTMENT OR SERVICE IS REQUIRED POWER VENT GAS MODELS ALL TECHNICAL AND WARRANTY QUESTIONS SHOULD BE DIRECTED TO THE LOCAL DEALER FROM WHOM THE WATER HEATER WAS PURCHASED HYBRID GA...

Page 2: ...TION 32 OPERATING INSTRUCTIONS 33 Display Panel 33 Wiring Diagram 35 Lighting Instructions 36 Heat Cycle Definitions 37 Temperature Regulation 38 Unique Hybrid Features 39 Temperature Regulation 41 Co...

Page 3: ...s appliance can cause low level exposure to some of the substances listed IMPORTANT DEFINITIONS Qualified Installer or Service Agency Installation and service of this water heater requires ability equ...

Page 4: ...4 www hotwater com GENERAL SAFETY...

Page 5: ...rough the hose The condensate lines must be able to flow freely to an appropriate drain Do not allow condensate lines to become crimped closed Analyze the entire vent system to make sure that condensa...

Page 6: ...ional Fuel Gas Code ANSI Z223 1 NFPA 54 and the National Electrical Code NFPA 70 Documents are available from Canadian Standards Association 5060 Spectrum Way Mississauga Ontario Canada L4W 5N6 NFPA d...

Page 7: ...www hotwater com 7...

Page 8: ...Cold Water Inlet F Expansion Tank G Vent Termination Elbow H Access Door Heat Engine I Earthquake Strap J Power Cord K Main Manual Gas Shutoff Valve L Gas Supply M Sediment Pocket N Condensate Tube O...

Page 9: ...is acidic or otherwise impure the water supply must be treated with approved methods in order to ensure full warranty coverage Problems resulting from the forma tion of scale are not covered by the wa...

Page 10: ...nted gas fueled heating appliance or equipment The sign shall read in print size no less than one half 1 2 inch in size GAS VENT DIRECTLY BELOW KEEP CLEAR OF ALL OBSTRUCTIONS INSPECTION The state or l...

Page 11: ...Tampering voids all warranties Only qualified service technicians should service these components DO NOT use with piping that has been treated with chromates boiler seal or other chemicals DO NOT add...

Page 12: ...cted correctly in the receptacle box Failure to connect correctly will prevent the unit from functioning properly Installation of the water heater must be accomplished in 1 2 3 4 5 such a manner that...

Page 13: ...r adhe sives in the same room or area near the water heater Keep flammable products 1 far away from heater 2 in approved containers 3 tightly closed and 4 out of children s reach Water heater has a ma...

Page 14: ...ndling any kind of sheet metal product Tabs have been provided on each side of the rear portion of the shroud The top and bottom of each tab must be cut and gently bent inwards thus allowing the strap...

Page 15: ...twater com 15 Screws Screws Top Casing Front FIGURE 7 Screws FIGURE 8 FIGURE 9 After the heater has been positioned and the earthquake straps have been installed re assemble the shroud in the reverse...

Page 16: ...rrier etc additional air may need to be provided using the methods described in Appliances in Confined Space that follows APPLIANCES IN CONFINED SPACES CONFINED SPACE is a space whose volume is less t...

Page 17: ...1 square inch per 4 000 Btu per hour 5 5 cm2 kW of total input rating of all equipment in the enclosure see Figure 13 3 When communicating with the outdoors through horizontal ducts each opening shou...

Page 18: ...g dishwashing cleaningandothersanitizing needs can scald and permanently injure you upon contact Some people are more likely to be permanently injured by hot water than others These include the elderl...

Page 19: ...a water softener before the water heater system If you are installing a water filtering system use a 5 micron filter to reduce particles that can potentially cause nuisance shutdown problems and prol...

Page 20: ...be of material listed for hot water distribution Shall be installed so as to allow complete drainage of both the temperature pressure relief valve and the discharge pipe Shall terminate a maximum of 6...

Page 21: ...s connections must be leak tested before placing the appliance in operation Use a leak test solution not a match or open flame NOTE An alternate location for the gas line entry is possible Drill a sui...

Page 22: ...9007441005 Rated inputs are suitable up to 11 000 ft 3 352m elevation Consult the factory for installation at altitudes over 11 000 ft 3 352m WARNING THIS HIGH EFFICIENCY WATER HEATER IS CERTIFIED FOR...

Page 23: ...nd elbows 2 This water heater is capable of venting flue gases a maximum distance equivalent to 50 ft 15 2m of 2 in pipe or 100 ft 30 5m of 3 in pipe The use of elbows reduces the maximum distance see...

Page 24: ...joining the pipe to Termination PVC Material If local codes do not allow the use of the PVC termination when a material other than PVC is used for venting then an equivalent fitting of that material m...

Page 25: ...T OUTLET WHICH WILL CAUSE IMPROPER OPERATION WITH SOME INSTALLATIONS IT IS RECOMMEND TO INSTALL A CONDENSATE PUMP NOTE Barbed fitting not required if hard piping is used to drain condensate CONDENSATE...

Page 26: ...s are being installed on the outside of a finished wall it may be easier to mark both the inside and outside wall Align the holes by drilling a hole through the center of the template from the inside...

Page 27: ...PREVENT BLOCKAGE OR ICE BUILDUP BRACKET EQUIVALENT VENT LENGTH MEASURED FROM THIS POSITION FIGURE 27 Before completing the installation of the venting system be sure to read the sections of this manu...

Page 28: ...ing materials that you are about to use C Know the reputation of your manufacturer and their products D Know your own qualifications or those of your contractor The solvent welding technique of joinin...

Page 29: ...ONLY NATURAL BRISTLE 3 MAKING THE JOINT A Cutting Pipe must be squarely cut to allow for the proper interfacing of the pipe end and the fitting socket bottom This can be accomplished with a miter box...

Page 30: ...will have sufficient cement to make a bead all the way around the outside of the fitting hub The fitting will have a tendency to slide back while the cement is still wet so hold the joint together for...

Page 31: ...VENT HOOD S MAY BE EXTREMELY HOT DURING OPERATION FIGURE 31 CAUTION TO PREVENT EXHAUSTING PRODUCTS FROM CIRCULATING TO THE AIR INTAKE IN WINDY COLD AREAS THE MAXIMUM PRACTICAL DISTANCE BETWEEN THESE T...

Page 32: ...ocedure once it has started After a successful calibration the heater will go into standby mode During the calibration if the call for heat ends the calibration was not completed and the E36 error mes...

Page 33: ...base a locked and an unlocked arc Operating Modes Operating modes are Boost for peak demand Energy Saver and Vacation Three LEDs are used to indicate the Operating Mode Vacation Mode Yellow LED Energ...

Page 34: ...he set point and pressing the Down button will decrease the set point NOTE The Temperature Set point cannot be adjusted beyond the limits of the current Mode selected Burner in Operation When the burn...

Page 35: ...rograming J1 Flame J5 Water Valve Water Flow J8 Thermistors J9 RS 485 J10 UIM Setting J11 High Temp SW Water Valve Water Flow Sensor BROWN YELLOW BLACK WHITE Flame Sense Rod YELLOW BLACK BLACK BLACK B...

Page 36: ...f the appliance will not operate follow the instructions TO TURN OFF GAS TO APPLIANCE and call your technician or gas supplier DANGER Hotter water increases the risk of scald injury Consult the instru...

Page 37: ...g the first stage of the post purge mode high speed fan operation conditions for a new call for heat are met then the system will allow the state change to Initial call for heat only after the first s...

Page 38: ...TO CONTROL WATER TEMPERATURE HOT WATER TEMPERATURES REQUIRED FOR AUTOMATIC DISHWASHER AND LAUNDRYUSECANCAUSESCALDBURNSRESULTING IN SERIOUS PERSONAL INJURY AND OR DEATH THE TEMPERATURE AT WHICH INJURY...

Page 39: ...0 C Energy Saver Mode is selected for all other Temperature set point values Three LED s are used to indicate the Operating Mode Selection Vacation Mode Yellow LED Energy Saver Mode Green LED Boost Mo...

Page 40: ...temperature reaches the maximum design temperature for the venting used This switch should reset to the closed position when the vent pipe temperature cools sufficiently Opening Temperature is approxi...

Page 41: ...rature If a power outage occurs or the unit is energized de energized by the STANDBY symbol for re booting the controller resets to the last temperature setting After clearing a continuous lockout err...

Page 42: ...itions Condensation causes sizzling and popping within the burner area during heating and cooling periods and should be considered normal See CONDENSATE section OPERATIONAL CONDITIONS Smelly Water In...

Page 43: ...unit It must be replaced At least once a year a visual inspection should be made of the main burner and spark generator assembly for proper flame characteristics and ignition sequences You should also...

Page 44: ...valve is required Turn off the cold water inlet heater and call a qualified service man If after manually operating the valve see Figure 36 it fails to completely reset and continues to release water...

Page 45: ...paint FLUSHING THE HEAT EXCHANGER LIME BUILD UP The heat exchanger must be cleaned on a regular basis to reduce lime build up The frequency of this cleaning is dependent on the quality of your local...

Page 46: ...g freezing temperatures Also periodic draining and cleaning of sediment from the tank may be necessary Set the power switch to the OFF position OPEN a nearby hot water faucet and let the water run unt...

Page 47: ...C or 105 F C LED or F LED turned ON H03 Storage tank temperature H03 xxx C or F 041 or 105 41 C or 105 F C LED or F LED turned ON H04 Heat engine water flow rate H04 xxx litres minute 056 5 6 litres m...

Page 48: ...Main Valve Continuous Measure the water temperature ECO switch open temperature is 85 5 C 185 14 F and close temperature is 65 5 C 149 14 F Check the ECO switch Check the ECO wire harness Change the b...

Page 49: ...ture Probe is Short circuit Outlet Temperature is maximum defined temperature E24 Inlet Temperature Probe is Open circuit Inlet Temperature is minimum defined temperature E25 Inlet Temperature Probe i...

Page 50: ...DIP switch 4 not set to normal Soft Unplug the power cord check the DIP switch 4 position and put it in ON position Increase the set point so that a call for heat occurs Drain the tank in order to lo...

Page 51: ...mal expansion tank Do not plug T P valve Improperly sealed valve Check relief valve for proper operation Do not plug T P valve HOT WATER ODORS refer to cathodic protection High sulfate or mineral cont...

Page 52: ...d Improper sized dip tube e Water heater disconnected from electrical power Check if there is any error code on the display THE WATER IS NOT HOT ENOUGH The temperature is set too low a Check unit s te...

Page 53: ...pipe connections may be leaking B Small amounts of water from temperature pressure relief valve may be due to thermal expansion or high water pressure in your area C The temperature pressure relief va...

Page 54: ...Cold In N Drain Valve O Tank Thermistor Probe P Front Door Lock Hook Cam Q Shroud Right Side Tank Assembly Door R Display Subassembly S Heat Engine T Cover Front Flue Gas Return U Hi Limit Temperatur...

Page 55: ...www hotwater com 55 R O N M L K J I H G F E D C B A T Q S P 12 U 10 7 6 5 4 3 2 1 Z Y X W V 11 9 8 13...

Page 56: ...179015 Drain trap assembly condensate 9007205005 Heat engine assy 9007206005 Gas valve 9007207005 Diptube J 3 4 return 9007208005 Transformer 9007209005 Hi limit Fuse 9007210015 Switch High Temp 90072...

Page 57: ...of hardness is not acidic or otherwise impure Problems resulting from scale formation are not covered by the warranty Any accident to the water heater or any part thereof including freezing fire floo...

Page 58: ...58 www hotwater com NOTES...

Page 59: ...www hotwater com 59 NOTES...

Page 60: ...500 TENNESSEE WALTZ PARKWAY ASHLAND CITY TN 37015 PHONE 1 800 433 2545 FAX 1 800 433 2515 www aosmithwaterheaters com email parts hotwater com...

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