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 SAFETY

This water heater is design-certi

fi

 ed by CSA International as 

a Category III, water heater that takes its combustion and 
dilution air either from the installation area or from air ducted 
to the unit from the outside.
In addition to the installation instructions found in this manual, 
the water heater must be installed in accordance with  
provincial codes and the latest edition of 

"Natural Gas and 

Propane Installation Code" CSA-B149.1

.

 Safety Warning (Flammable Vapours)

WARNING

Flammable Vapours

FLAMMABLES

FIRE AND EXPLOSION HAZARD

Can result in serious injury or death

        Do not store or use gasoline or other flammable vapours and liquids 

in the vicinity of this or any other appliance. Storage of or use of gasoline 

or other flammable vapours or liquids in the vicinity of this or any other 

appliance can result in serious injury or death.

There is a risk of property damage, personal injury or death 
from the by-products of combustion (e.g., 

fl

 ue gases), in 

using fuel-burning appliances such as water heaters. Areas 
that may not be suitable for water heater installation include 
those where 

fl

 ammable liquids, gasoline, solvents, adhesives 

etc. are stored. Also not suitable are areas where engine-
driven equipment is stored, operated or repaired. Flammable 
vapour products should not be stored or used near the water 
heater or air intake. Due to the nature of air movement, 

fl

 ammable vapours can be carried some distance from the 

point of storage. Although the safety system is designed to 
reduce the risk of 

fl

 ammable vapour related 

fi

 res, the gas-

fi

 red water heater igniter or burner 

fl

 ame can ignite these 

vapours causing a 

fl

 ashback, 

fi

 re or explosion, which may 

result in severe property damage, serious personal injury or 
death. If 

fl

 ammable liquids or vapours have spilled or leaked 

in the area of the water heater, leave the area immediately 
and call the 

fi

 re department from a neighbor's home. Do not 

attempt to clean the spill until all ignition sources have been 
extinguished.

 Safety Warning (Scalding)

DANGER

Hot water produced by this appliance can cause severe burns 
due to scalding. The hazard is increased for young children, 
the aged or the disabled when water temperatures exceed 
52°C (125°F). Use tempering valves, also known as mixing 
valves, in the hot-water system to reduce the risk of scalding 
at point-of-use such as lavatories, sinks and bathing facilities 
(see Figures 11 & 12). Such precautions must be followed 
when this heater is operated in combination with dishwashing 
or space heating applications.

 Safety Warning (Carbon Monoxide)

Breathing carbon monoxide can cause brain damage or death.

Always read and understand instruction manual.

• Install vent system in accordance with codes.
• Do not operate water heater if flood damaged.
• For operation above 10,100’ (3,079 m), a high 

altitude orifice must be installed.

• Do not operate if soot buildup is present.
• Do not obstruct water heater air intake with 

insulating jacket.

• Do not obstruct blower air intake.
• Do not place chemical vapor emitting products 

near water heater.

• Gas and carbon monoxide detectors are 

available.

• No vent damper installation is compatible with 

this power vented water heater.

Breathing Hazard - Carbon Monoxide Gas

WARNING

As with all fuel burning equipment, this heater requires an 
adequate supply of air for combustion. An insuf

fi

 cient  air 

supply can result in poor combustion or the re-circulation 
of the 

fl

 ue gases. Such a condition may cause soot build-

up and present a 

fi

 re hazard. Flow reversal of 

fl

 ue  gases 

may cause an increase of carbon monoxide inside of the 
dwelling that could result in serious bodily harm or death from 
asphyxiation.

MAKE SURE THE FLOW OF COMBUSTION AIR IS NOT 
RESTRICTED.

 

– 4 – 

Summary of Contents for 40 gal.

Page 1: ...n in these instructions is not followed exactly a fire or explosion may result causing property damage per sonal injury or death Do not try to light any appliance Do not touch any electrical switch do...

Page 2: ...Relief Valve The Discharge Line Relief Drain Tube Temperature Pressure Relief Valve and Pipe Insulation Electrical Supply 19 SAFETY LOCKOUTS 21 High Limit Controls 21 Thermostat Water Temperature Blow...

Page 3: ...combination with space heating applications User Responsibilities This manual has been prepared to acquaint you with the installation operation and maintenance of your gas fired water heater and provi...

Page 4: ...able liquids or vapours have spilled or leaked in the area of the water heater leave the area immediately and call the fire department from a neighbor s home Do not attempt to clean the spill until al...

Page 5: ...r and your safety Since we cannot put everything on the first few pages READ ENTIRE MANUAL BEFORE ATTEMPTING TO INSTALL OR OPERATE THE WATER HEATER After installation dispose of packaging material in...

Page 6: ...if in an alcove or closet installation the entire floor must be covered by the panel Clearances and Accessibility DO NOT BLOCK AIR INTAKE OR SENSOR ACCESS ENSURE ADEQUATE CLEARANCE FOR AIR SUPPLY FRON...

Page 7: ...s than 14 in w c 3 5 kPa the water heater must be isolated from the gas supply piping system by closing its manual shut off valve 1 2 3 4 WARNING Exposure to a higher gas supply pressure may cause dam...

Page 8: ...r Tubing see Figure 9 26 Rubber Coupling 27 Gear Clamp 28 Flue Collector 29 Hot Water Outlet Nipple 30 Anode under cap 31 Cold Water Inlet Nipple 32 Flexible Manifold Tube see Figures 6 7 33 Viewport...

Page 9: ...d as the primary water inlet and outlet connections For your convenience plugs are installed in these fittings at the factory Remove these plugs if needed for your specific installation Otherwise as w...

Page 10: ...ETAL DRAlN PAN 150mm 6 MAX AIR GAP TO SUITABLE DRAIN NOTE THE T P VALVE CAN BE PIPED DIRECTLY TO THE DRAIN Figure 12 Mixing Valves Water heaters are intended to produce hot water Water heated to a tem...

Page 11: ...can experience high ambient environments include closets alcoves areas under staircases attics especially in metal roofed buildings areas with restricted air movement rooms with large solar gains meta...

Page 12: ...less VENT LENGTH LESS THAN OR EQUAL TO 20 EQUIVALENT FT 6 1 METRES USE THIS SCREEN SUPPLIED VENT LENGTH GREATER THAN 20 EQUIVALENT FT 6 1 METRES USE THIS SCREEN SUPPLIED Figure 14 Rodent Screens A ve...

Page 13: ...ene Vent Pipe Size Elbow Type Short Sweep Short Radius Long Sweep Long Radius Notes 1 Use long radius elbows where possible Minimum distance between 90 elbows should be 6 150mm wherever possible 2 Ven...

Page 14: ...nt piping to ensure adequate drainage Horizontal vent pip ing must not sag to form valleys where condensate may collect Vertical venting shall be supported every 1 5m 5 ft CAUTION Use of Solvent Cemen...

Page 15: ...sure the plastic tubing is not folded anywhere between the pressure switch and the blower housing 5 This water heater is a polarity sensitive appliance and will not operate if the power supply polari...

Page 16: ...iping is firmly secured in the coupling and is gas tight Do not over tighten or cause distortion of any of the parts Ensure the bottom of the rubber coupling is firmly seated on the blower outlet and...

Page 17: ...S 200mm 8 in LOOP TO DRAIN BLOWER ASSEMBLY Figure 26 Water Supply Piping Installation Piping fittings and valves should be installed according to the installation drawing Figure 27 Water supply pressu...

Page 18: ...ING VALVE SET TO 49 C 120 F FOLLOW THE TEMPERING VALVE MANUFACTURER S INSTRUCTIONS T P VALVE AND DISCHARGE LINE COLD WATER TEMPERED WATER TO FIXTURE Figure 28 Closed System Thermal Expansion Water sup...

Page 19: ...ely close the cold water inlet to the water heater follow the draining instructions in this manual and replace the temperature pressure relief valve with a properly rated sized new one Temperature Pre...

Page 20: ...Verify proper opera tion after servicing Note Always reference the wiring diagram for the correct electrical connections WARNING When the unit is plugged in 120VAC is pres ent at the electric connecti...

Page 21: ...ontrol will flash the gas lockout code Refer to the System Error Codes section of this manual for an explanation of the codes applicable to the control installed on your water heater If this error occ...

Page 22: ...possible gas leaks Vent Pipe System 1 Vent pipe and fittings of approved material 2 Acceptable size length and number of elbows on exhaust vent system 3 Installed in accordance with the latest edition...

Page 23: ...eel water before bathing or showering Temperature limiting valves are available Mixing Valves Hot water can scald Water heaters are intended to produce hot water Water heated to a temperature that wil...

Page 24: ...ition 9 Turn thermostat to desired setting DANGER Hotter water increases the risk of scald injury Consult the instruction manual before changing temperature 10 If the appliance will not operate follow...

Page 25: ...e water heater Mixing valves are available at plumbing supply or hardware stores see Figure 11 12 Follow manufacturer s instructions for installation of the valves Before changing the factory setting...

Page 26: ...should be considered normal Sediment buildup in the tank bottom will create varying amounts of noise and may cause premature tank failure Drain and flush the tank as directed under Draining and Flush...

Page 27: ...Presence of flammable or corrosive materials in the installation area Presence of combustible materials near the water heat er Verify proper operation after any service is performed on this water hea...

Page 28: ...supply proper clearances from the water heater must be maintained See Locating the New Water Heater section Combustible materials such as clothing cleaning materials or flammable liquids etc must not...

Page 29: ...so you can access to the anode head Figure 39 Keep in a safe place for reinstallation later Remove the anode rod by using a ratchet and a 1 1 16 socket turning counter clockwise Figure 39 1 2 3 4 5 6...

Page 30: ...blower wheel This can be problematic especially where condensation is present as particles may adhere to the venting sur faces These conditions can result in nuisance failures In areas that have a hig...

Page 31: ...venter in the cold water line an expansion tank of adequate size must be installed Combo Heating Systems require higher water tem peratures than other applications When the system is used to supply wa...

Page 32: ...y air Low gas pressure Orifice too small Thermostat set too low Heater too small Wrong piping connection Wasted hot water Flue clogged Air inlets blocked 1 2 3 4 5 6 7 8 9 Provide ventilation to water...

Page 33: ...treatment if needed Refer to Condensate section 1 2 WATER LEAKAGE Condensation Dripping Temperature Pressure Relief Valve Thermostat does not shut off Drain valve dripping leaking Tank Leak 1 2 3 4 5...

Page 34: ...p requires manual intervention and can not be reset by cycling power to the control A manual reset requires turning the temperature setting dial to the lowest coldest position for a minimum of 10 seco...

Page 35: ...ht dim Call For Heat no fault conditions One Flash three second pause Low Flame Signal control continues to operate Two Flash three second pause Pressure Switch Failed Closed Three Flash three second...

Page 36: ...System Return Inlet Optional 19 Air Inlet Snorkel 20 Combo Heating System Supply Outlet Optional 21 Blower with Power Cord see Figure 49 22 Air Switch inside box see Figure 49 23 Junction Box see Fig...

Page 37: ...5 40 41 Natural gas and Propane main burner with igniter assembly for 60k to 75k Btu hr models Flare Nut Figure 47 17 Figure 48 25 23 24 22 5 26 27 Figure 49 Notes Natural gas models have Right hand t...

Page 38: ...e water heater s Model Number SKU Serial Number date of purchase and date of installation c THERE ARE NO WARRANTIES WHICH EXTEND BEYOND THE DESCRIPTION ON THE FACE HEREOF THIS EXPRESS WARRANTY IS WHER...

Page 39: ...cy beyond the control of the Manufacturer or s The water heater is installed in a closed system without adequate provision for thermal expansion 3 Except when speci cally prohibited by the applicable...

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