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SAFE INSTALLATION, USE, AND SERVICE

SAFE INSTALLATION, USE, AND SERVICE

Your safety and the safety of others is extremely important in the installation, use and servicing of this water heater. Many safety-

related messages and instructions have been provided in this manual and on your own water heater to warn you and others of 

a potential injury hazard. Read and obey all safety messages and instructions throughout this manual. It is very important that 

the meaning of each safety message is understood by you and others who install, use or service this water heater.

Many safety-related messages and instructions have been provided in this manual and on your own water heater to warn you and others of 

a potential injury hazard. Read and obey all safety messages and instructions throughout this manual. It is very important that the meaning 

of each safety message is understood by you and others who install, use, or service this water heater.

DANGER

WARNING

CAUTION

CAUTION

DANGER indicates an imminently

hazardous situation which, if not avoided,

will result in injury or death.

This is the safety alert symbol. It is used to alert you to

potential personal injury hazards. Obey all safety

messages that follow this symbol to avoid possible

injury or death. Keep this manual near the water heater.

WARNING indicates a potentially hazardous

situation which, if not avoided, could result

in injury or death.

CAUTION indicates a potentially hazardous

situation which, if not avoided, could result in

minor or moderate injury.

CAUTION used without the safety alert

symbol indicates a potentially hazardous

situation which, if not avoided, could result in

property damage.

All safety messages will generally tell you about the type of hazard, what can happen if you do not follow the safety message, and how 

to avoid the risk of injury.

IMPORTANT DEFINITIONS

Qualified Installer:

 A qualified installer must have ability equivalent to a licensed tradesman in the fields of plumbing, air supply, venting 

and gas supply, including a thorough understanding of the requirements of the 

Natural Gas and Propane Installation Code B149.1

 as it relates to 

the installation of gas fired water heaters. The qualified installer must also be familiar with the design features and use of flammable vapour 

ignition resistant water heaters and have a thorough understanding of this Installation and Operating manual.

Service Agency:

 A service agency also must have ability equivalent to a licensed tradesman in the fields of plumbing, air supply, venting 

and gas supply, including a thorough understanding of the requirements of the 

Natural Gas and Propane Installation Code” B149.1

 as it relates to 

the installation of gas fired water heaters. The service agency must also have a thorough understanding of this Installation and Operating 

manual, and be able to perform repairs strictly in accordance with the service guidelines provided by the manufacturer.

Gas Supplier: 

The Natural Gas or Propane Utility or service who supplies gas for utilization by the gas burning  appliances within this 

application. The gas supplier typically has responsibility for the inspection and code approval of gas piping up to and including the Natural 

Gas meter or Propane storage tank of a building. Many gas suppliers also  offer service and inspection of appliances within the building.

APPROVALS

APPROVALS

      

     

LOW LEAD

CONTENT

      

Summary of Contents for 100 Series

Page 1: ...ch any electrical switch do not use any phone in your building Immediately call your gas supplier from a neighbor s phone Follow the gas supplier s instructions If you cannot reach your gas supplier c...

Page 2: ...Installation 31 Space Heating and Potable Water System 32 Combo Heating Inlet And Outlet Side Taps 32 Combo Heating 32 System Requirements 32 Installation 33 Electrical Supply 33 Dedicated Power Wiri...

Page 3: ...hazardous situation which if not avoided could result in property damage All safety messages will generally tell you about the type of hazard what can happen if you do not follow the safety message an...

Page 4: ...flow THERE SHOULD BE NO SMOKING OR OPEN FLAME NEAR THE FAUCET AT THE TIME IT IS OPEN Explosion Hazard Flammable hydrogen gases may be present Keep all ignition sources away from faucet when turning o...

Page 5: ...sources away from faucets after extended periods of non use Maintain required clearances to combustibles Do not expose water heater controls to excessive gas pressure Fire Hazard Do not install water...

Page 6: ...e essential to the proper operation of the water heater and your safety Detailed installation diagrams are also found in this manual These diagrams will serve to provide the installer with a reference...

Page 7: ...pply Pressure Maximum Supply Pressure Electrical Characteristics Gas Type In W C kPA In W C kPA In W C kPA Volts Hz Amperes Natural 0 0 3 5 1 10 14 3 49 120 60 10 The manifold pressure is the factory...

Page 8: ...l 25 Control Panel 26 Outlet Air Pressure Switch OAPS 27 Blower 28 Gas Control Valve 29 Combo Heating System Return Inlet Optional 30 Temperature Sensor 31 Burner Insulation Shield 32 Burner Refractor...

Page 9: ...9 34 35 33 31 32 27 37 38 41 42 44 43 Figure 3 Blower and Burner Components 44 42 39 35 36 40 34 41 43 Figure 4 Blower and Intake Air Components...

Page 10: ...s the unit from igniting most likely the exhaust is blocked by some means Check to see if the condensate is allowed to flow freely from the condensate trap and for obstructions in the exhaust venting...

Page 11: ...nstall without adequate drainage Property Damage Hazard CAUTION Carefully choose a location for the new water heater The placement is a very important consideration for the safety of the occupants in...

Page 12: ...and liquids in the vicinity of this or any other appliance Avoid all ignition sources if you smell gas Do not expose water heater control to excessive gas pressure Use only gas shown on rating plate M...

Page 13: ...amage Breathing carbon monoxide can cause brain damage or death Always read and understand instruction manual Install water heater in accordance with the instruction manual and B149 1 To avoid injury...

Page 14: ...shows various end termination details and clearances for PV installations Note The information provided in Figure 2 page 8 is intended as a guideline for good vent installation practices only This wat...

Page 15: ...to ULC S636 Check local codes to determine which materials are allowed in your area and only use approved material All venting material and components must be joined with the approved primer cleaner a...

Page 16: ...t systems are designed to use specific adaptors to connect the water heater venting These adaptors are available through your venting supplier The PVC vent termination elbow supplied with this heater...

Page 17: ...ntly push the screen into the termination elbow until it sits against the inside shoulder The debris vent screens are self securing Note In the concentric vent application the vent screen is to be ins...

Page 18: ...Air Condensate Tee Installation DIRECT VENT AIR INTAKE MOISTURE PROTECTION The air intake piping in a direct vent system will normally not have any moisture accumulation in it However in certain case...

Page 19: ...15 ft 4 6 m Clearance in accordance with local installation codes and the require ments of the gas supplier I Clearance to service regulator vent outlet 3 ft 91 cm Clearance in accordance with local i...

Page 20: ...te the same side of roof 5 The centerline of the air intake termination and the centerline of the exhaust vent termination must not be closer than 200 mm 8 6 The air intake terminal and the exhaust ve...

Page 21: ...centers can be found in Table 10 2 Slide both the intake and exhaust pipes through the holes Solvent cement both pipes to the base of the vent termination kit follow the solvent cementing procedures...

Page 22: ...tical roof installation Ensure the combustion air intake location is above the anticipated snow level Table 11 Concentric Vent Termination Kits Vent Dia P N 2 100153586 3 100111100 Combustion Air Abov...

Page 23: ...ted and installed in accordance with local building code and CSA B149 1 Natural Gas and Propane Installation Code 1 Once the proper location has been determined cut 2 holes in the wall large enough to...

Page 24: ...t Number IPEX Part Num ber Description Pipe Outside Diameter Hole Spacing Center to Center 100086241 196984 2 Flush Mount Vent Kitt 2 375 5 63 100187887 196985 3 Flush Mount Vent Kit 3 5 7 63 Each Kit...

Page 25: ...e Equivalent Vent Length Water Heater Model Heater Input Btu Hr Vent Size Inside Diam Pressure Switch Settings in w c Low Profile Equiv Vent Length Intake Exhaust Max Min 40 gal 50 000 2 1 88 1 8 60 f...

Page 26: ...r line ex tended above meter regulator assembly 3 ft 91 cm within a height 15 ft 4 6 m Clearance in accordance with local installation codes and the require ments of the gas supplier I Clearance to se...

Page 27: ...nt Length Measured from this Position Vent Pipe to be sloped down toward heater to prevent water from collecting May require a condensate tee Where snow cover is above normal during winter ensure outl...

Page 28: ...be made by the installer Condensation in the venting system is dependent upon installation conditions including but not limited to ambient temperature and humidity of installation location ambient te...

Page 29: ...BURN HOT HOT DANGER Figure 35 Thermostatic Point of Use Mixing Valve Water temperature over 125 F can cause severe burns instantly resulting in severe injury or death Children the elderly and the dis...

Page 30: ...l be a corresponding increase in water pressure due to thermal expansion Thermal expansion can cause premature tank failure leakage This type of failure is not covered under the limited warranty Therm...

Page 31: ...ain inside the building Be certain that no contact is made with any live electrical part The discharge opening must not be blocked or reduced in size under any circumstances Excessive length over 30 o...

Page 32: ...ating at temperatures higher than required for domestic water purposes a mixing valve must be installed See Figure 35 page 29 If the space heating system requires water temperatures in excess of 120 F...

Page 33: ...nions so that the water heater can be isolated from the heating module should servicing of the water heater become necessary 2 Install a drain valve at the lowest point of the heating loop so that wat...

Page 34: ...he water lines of air and sediment and to ensure complete filling of the tank The electrical power may then be turned on See Start Up page 42 GAS SUPPLY SYSTEMS Do not use water heater with any gas ot...

Page 35: ...heater and A sediment trap ahead of the gas control valve to help prevent dirt and foreign materials from entering the gas control valve A ground joint union of proper size between the manual shut of...

Page 36: ...e pressure drop Schedule 40 Steel or wrought iron pipe is the preferred material for the gas line of this water heater It is imperative to follow the sizing recommendations in the latest version of th...

Page 37: ...Z223 1 NFPA 54 HIGH ALTITUDE INSTALLATIONS Breathing carbon monoxide can cause brain damage or death Always read and understand instruction manual Special consideration must be taken with installa ti...

Page 38: ...y setting on the control system see Table 20 This water heater is equipped with a control system See Control System Operation page 40 Hot water temperatures required for automatic dishwasher and laund...

Page 39: ...monitors the state of the temperature sensor thermistors If the ECO activates due to abnormally high water temperature approximately 190 F the Control Board will lock out and display fault code E00 o...

Page 40: ...nd press the or buttons until reaching the desired value The new value will flash on the LCD display twice per second To validate the new setpoint short press the button If the button is not pressed w...

Page 41: ...aust vent system Installed in accordance with prevailing provisions of local codes or in the absence of such the latest edition of Natural Gas and Propane Installation Code B149 1 Horizontal piping sl...

Page 42: ...valves are open FILLING THE WATER HEATER Avoid water heater damage Fill tank with water before operating Property Damage Hazard CAUTION Never use this water heater unless it is completely full of wat...

Page 43: ...technician or gas supplier DANGER INSTRUCTIONS D UTILISATION OPERATING INSTRUCTIONS A Cet appareil n est pas quip d une veilleuse Le br leur est plut t muni d un dispositif d allumage automatique NE t...

Page 44: ...escape of dangerous flue gasses which could cause deadly asphyxiation Obstructions and deteriorated vent systems may present serious health risk or asphyxiation Chemical vapour corrosion of the flue...

Page 45: ...eanout cover once every 6 months at first Deliming maintenance should then be performed based on the time it takes for 1 inch 2 5 cm of lime to accumulate in the bottom of the water heater CHEMICAL LI...

Page 46: ...if water odour or discolouration occurs Note This rod may reduce but not eliminate water odour problems The water supply system may require special filtration equipment from a water conditioning compa...

Page 47: ...se instructions or have any questions regarding the Temperature Pressure Relief Valve call the toll free number listed on the front page of this manual for technical assistance Temperature pressure re...

Page 48: ...ition failures 0 999999 H10_xxx_xxx H11 Total Flame loss failures 0 999999 H11_xxx_xxx H12 Error code History 1 H12_xxx_xxx H13 Error code History 2 H13_xxx_xxx H14 Error code History 3 H14_xxx_xxx H1...

Page 49: ...The heating mode will be maintained until the call for heat is satisfied tank temperature reaches the Setpoint The gas valve will be turned off closed and the blower will operate for the duration of p...

Page 50: ...set in 15 minutes Manual action E05 Blocked flue Outlet Air Pressure SW open 3rd time in less than one hour Soft Fault Reset in 15 minutes Manual action E06 Blocked flue Outlet Air Pressure SW open 1s...

Page 51: ...Table 25 Error Priority Hard Faults ECO error T Tmax 201F E00 Flue ECO Error Tvent Tvent max 165 F E19 Blower Speed error E21 Blower not running E20 Soft Faults Blower Speed Error E21 Flame out of Se...

Page 52: ...weather or the cold water inlet connection may be leaking C Small amounts of water from temperature pressure relief valve may be due to thermal expansion or high water pressure in your area D The temp...

Page 53: ...53 DIAGRAMS DIAGRAMS WIRING DIAGRAM Figure 48 Wiring Diagram...

Page 54: ...65K 100344198 K SWITCH PRESSURE N C AIR INTAKE 1 88 100344199 K SWITCH PRESSURE N C FLUE 1 8 100344200 K THERMISTOR 3 4NPT 100344201 K TRAP CONDENSATE POLYPROPYLENE 100344202 K DIPTUBE HT2 3 4NPTX3X34...

Page 55: ...55 NOTES NOTES...

Page 56: ...800 527 1953 Parts 800 433 2545 Fax 800 644 9306 www hotwater com In Canada contact A O Smith Enterprises Ltd 599 Hill Street West Fergus ON Canada N1M 2X1 Technical Support 1 888 479 8324 www hotwate...

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