A.O. Smith ATMOSPHERIC VENTED WATER HEATER Installation And Operating Instructions Manual Download Page 31

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Summary of Contents for ATMOSPHERIC VENTED WATER HEATER

Page 1: ...TY Do not store or use gasoline or other flammable vapours and liquids in the vicinity of this or any other appliance Installation and service must be per formed by a qualified installer service agenc...

Page 2: ...lation 13 Electrical Supply 14 24 Volt Control precautions Installations Check 15 IV OPERATING INSTRUCTIONS 15 Water Temperature Regulation 15 Temperature Adjustment Lighting Instructions White Rodger...

Page 3: ...e outside In addition to the installation instructions found in this man ual the heater shall be installed according to all local and provincial or state codes and with the latest edition of the follo...

Page 4: ...Shut Off Devices for Hot Water Supply Systems ANSI Z21 22 is applicable If this water heater has been exposed to flooding freezing fire or any unusual condition do not put it into operation until it h...

Page 5: ...firm clearances Heaters with a volume of 19 gallons through 50 gallons and 60 gallon standard input must have the following minimum clearances to combustibles Front 102mm 4 in Sides and Rear 25mm 1 in...

Page 6: ...ng tank or piping connections Refer to Figure 1 Under no circumstances is the manufacturer to be held responsi ble for any water damage in connection with this water heater Gas Supply Install the gas...

Page 7: ...occur To avoid risk of fire or explosion ensure the area is well ventilated and all sources of ignition are de activated Contact your local gas authority for local requirements Gas Leak Testing Impor...

Page 8: ...Refer to Figure 5 a or b and Table 2 for proper sizing and location of combustion air ducts and openings CHECK LOCAL CODES a Two permanent openings shall be provided connecting the confined space e g...

Page 9: ...quipment located in confined spaces all air from outdoors When supplying air directly from the outdoors using hor izontal ducting each opening shall have a free mini mum area of one square inch per 2...

Page 10: ...Figure 8 CSA U L recognized fuel gas and carbon monoxide CO detectors are recommended in all applications and should be installed using the manufacturer s instructions and local codes rules or regula...

Page 11: ...lves that may cause excessive restriction to water flow Use full flow ball or gate valves only DO NOT use any lead based solder in potable water lines Use appropriate tin antimony or other equivalent...

Page 12: ...eater Do not use an old or existing valve as it may be damaged or not adequate for the working pressure of the new water heater Do not place any valve between the relief valve and the tank The Tempera...

Page 13: ...h ing connection point see Figure 14 Hold this connec tion in place against the heater Slide it up enough to pinch the lower connection post into the matching con nection point in place with your fing...

Page 14: ...er is installed in accordance with prevailing provisions of local codes and the latest edition of Canadian Electrical Code CAN CSA C22 1 Part I Canada or National Electrical Code NFPA 70 U S A Before...

Page 15: ...nd combustible construction as per specifica tions 7 Is the water piping correctly connected Are you certain that there are no leaks 8 Is the water heater filled with water 9 Is the cold water supply...

Page 16: ...the appliance and call for service Valves for reducing the point of use temperature by mixing cold and hot water are available see Figure 11 Also avail able are inexpensive devices that attach to fau...

Page 17: ...through the view port Do not release the gas control knob Repeat immediately if pilot does not light on the first try If the pilot does not light by the fourth attempt with the igniter repeat steps 5...

Page 18: ...un appareil en marche N actionnez aucun interrupteur lectrique n utilisez aucun t l phone de votre b timent Appelez imm diatement votre fournisseur de gaz depuis un voisin et suivez les instructions d...

Page 19: ...ons Condensation Moisture from the products of combustion condenses on the tank surface and forms drops of water which may fall onto the burner or other hot surfaces This will produce a siz zling or f...

Page 20: ...24 Volt Damper Models The 24 Volt control valve is in constant communications with the different components that are connected to it ensuring all components are in the proper positions and in working...

Page 21: ...This lockout is required to allow the control to reset itself If the gas control valve is submerged under water for any length of time the gas control valve assembly should be replaced LED FLASH SEQU...

Page 22: ...ing to be shut down for an extended period the drain valve should be left open Important Condensation may occur when refilling tank and should not be confused with a tank leak The following maintenanc...

Page 23: ...or 6 Restart the water heater following the Operating Instructions 7 If the pilot burner does not stay lit after several attempts it is possible that the TCO embedded in the safety switch opened due t...

Page 24: ...ngage the pins on the valve module 4 Re assemble in the reverse order Note Care is required to align the pins on the valve module to their proper location in the control module during re assembly Valv...

Page 25: ...ressure with the hand on the valve pins Note Care is required to align the pins on the valve module to their proper location in the control module during re assembly When re installing the gas control...

Page 26: ...those used for boiler treatment into the potable water used for space heating 3 Do not use this heater as a replacement for an existing boiler installation 4 If the space heating water system requires...

Page 27: ...OO SMALL 1 Pilot line or orifice clogged 2 Low gas pressure 3 Defective pilot 1 Clean locate source and correct 2 Check with gas utility company 3 Replace pilot INSUFFICIENT HOT WATER 1 Thermostat set...

Page 28: ...tat 2 Low gas pressure 3 Orifice not properly installed 1 Replace gas control thermostat 2 Check with gas utility company 3 Reinstall the orifice 1 Air in gas line 2 Defective pilot electrode 3 Cold d...

Page 29: ...Y QUICK CONNECT LEADS Figure 33 Repair Parts Heaters without 24V vent damper 12 11 13 15 14 10 9 16 4 8 5 3 6 7 2 1 IX REPAIR PARTS ILLUSTRATION 1 NIPPLE HOT OUTLET 2 NIPPLE COLD INLET 3 DRAFTHOOD 4 T...

Page 30: ...D TUBE 17 PILOT THERMOCOUPLE ASSEMBLY 18 VIEWPORT 19 TWO PIECE GROMMET WITH CLIP 20 MANIFOLD DOOR 21 GAS MANIFOLD 22 PILOT TUBE 23 GAS ORIFICE 24 MANIFOLD DOOR GASKET 25 BURNER Figure 36 Manifold Door...

Page 31: ...31 This page intentionally left blank May be used for notes or to record other installation information...

Page 32: ...599 Hill Street West Fergus ON Canada N1M 2X1 PHONE 1 888 479 8324 www hotwatercanada ca email techsupport hotwater com...

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