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Rheem Professional Prestige Series: High Efficiency Condensing Power Direct Vent Use & Care Manual

Contents

1. Use amp Care Manual ith Installation Instructions for the Installer Awarning This water heater is not suitable for use in manufactured mobile homes Residential Gas FVIR Certified High Efficiency Condensing Power Direct Vent Water Heaters Lp Residential 38 and 48 Gallon The purpose of this manual is twofold one to provide the installer with the basic directions and recommendations for the proper installation and adjustment of the water heater and two for the owner operator to explain the features operation safety precautions maintenance and troubleshooting of the water heater This manual also includes a parts list It is very important that all persons who are expected to install operate or adjust this water heater read the instructions carefully so they may understand how to perform these operations If you do not understand these instructions or any terms within it seek professional assistance Any questions regarding the operation maintenance service or warranty of this water heater should be directed to the seller from whom it was purchased If additional information is required refer to the section on If you need service Do not destroy this manual Please read carefully and keep in a safe place for future reference Recognize this symbol as an indication of Important Safety Information WARNING If the information in these i
2. H Clearance to each side of center line extended 3 ft 91 cm within a height 15 ft 4 5 m above the meter above meter regulator assembly regulator assembly I Clearance to service regulator vent outlet 3 ft 91 cm J Clearance to non mechanical air supply inlet 1 ft 30 cm for appliances gt 10 000 Btuh 3 kW to building or the combustion air inlet to any other appliance L Clearance above paved sidewalk or paved driveway located on public property balcony Tn accordance with the CSA B149 1 Natural Gas and Propane Installation Code A vent shall not be terminated directly above a paved sidewalk or paved driveway that is located on public property Permitted only if veranda porch deck or balcony is fully open on a minimum of two sides beneath the floor and the distance be tween the top of the vent termination and the underside of the veranda porch or deck is greater than 1ft 30 cm A vent shall not terminate where it may cause hazardous frost or ice accumulations on adjacent property surfaces For clearances not specified in CSA B149 1 the following statement shall be included Clearance in accordance with local installa tion codes and the requirements of the gas supplier and the manufacturer s installation instructions SS Caulk x E Rising moisture will collect under eves If soffit vent is too close block off and install new vent
3. 12 in 30 5 cm Min Wind Vane 12 in nA Clearance is equal and parallel to wall 30 5 cm Min and 30 in 76 cm Max 17 Installing the Water Heater Vertical Vent and Combustion Air Inlet Installation The location of the vent and combustion air inlet terminals depends on the following minimum clearances and considerations 1 Minimum 18 in 46 cm above roof 2 Minimum 12 in 30 5 cm above anticipated snow level Maximum 24 in 61 cm above roof level without additional support for vent 3 Four 4 ft 1 2 m from any gable dormer or other roof structure with building interior access i e vent window etc 4 Within 6 ft 1 8 m of any mechanical air supply inlet Maintain a minimum horizontal distance of 12 in 30 5 cm between the vent and combustion air inlet terminal center lines Determine the locations for the vent and combustion air inlet terminals then make two 2 holes through the roof and interior ceiling s to accommodate the vent and combustion air inlet pipes Assemble the vent pipe assembly Install the vent system and attach it to the vent connector fitting on the water heater s blower assembly Horizontal lengths of the vent system must slope upwards a minimum of 1 8 in per foot Install the combustion air inlet system and attach it to the combustion air inlet rubber coupling on the
4. The pressure rating of the relief valve must not exceed 150 PSI 1034 kPa the maximum working pressure of the water heater as marked on the rating plate The Btuh rating of the relief valve must equal or exceed the Btuh input of the water heater as marked on its rating plate Position the outlet of the relief valve above a suitable open drain to eliminate potential water damage Piping used should be of a type approved for hot water To Fill the Water Heater Make certain that the drain valve is closed then open the shut off valve in the cold water supply line Open each hot water faucet slowly to allow the air to vent from the water heater and piping Condensate Management This water heater generates condensate and requires a drain to be located in close proximity to allow condensate to drain safely The drain line and fittings should be installed per installation instructions Be sure the condensate runs freely to the drain and does not accumulate in the condensate trap or the condensate line In cold climates precautions may need to be taken to ensure that the condensate drain lines do not freeze A water proof heat tape may be used to prevent freezing of condensate lines It is recommended that the condensate trap be primed by filling the trap with 1 4 cup of tap water before connecting the drain lines e Condensate is mildly acidic and should be collected and disposed per local codes e Use only PVC CPVC
5. water p Shut off Supply valve 5 Thermal expansion Manual gas shut off na tank if required To gas supply Union Relief valve discharge line to suitable open f Ja drain A 4 On Off Condensate line J aA to suitable drain N N switch Sediment trap Cap Drain Condensate Trap valve Gas Control Thermostat a Flammable Vapour Sensor J A Auxiliary catch pan 6 15 2 cm SS Drain Pan Pipe ea SS Air gap to suitable drain Installing the water heater A new combination temperature and pressure relief valve complying with the Standard for Relief Valves and Automatic Gas Shut Off Devices for Hot Water Supply Systems ANSI Z21 22 CSA 4 4 is supplied and must remain in the opening provided and marked for the purpose on the water heater No valve of any type should be installed between the relief valve and the tank AWARNING The tank must be full of water before heater is turned on The water heater warranty does not cover damage or failure resulting from operation with an empty or partially empty tank Condensate Trap Condensate Riser 1 2 PVC pipe supplied 1 2 PVC tee supplied Downward Slope Drain Line amp T 6 15 2 cm air gap Condensate Drain NOTICE If water appears on the floor DO NOT assume the tank in leaking check venting and condensate line connections NOTICE Water Heater should be leveled for proper condensate drainage 10 Relief Valve
6. See the Water Temperature Setting of The Water Heater section of this manual Leaking or open hot water faucets Make sure all faucets are closed Check valve error codes Refer to gas valve error code table on page 35 ON OFF switch turned off Turn switch to ON position Blower unplugged Plug in Verify power supply 120VAC Combustion Shut off Devices tripped Water is too hot The gas control thermostat is set too high Gas Control Thermostat Defective Contact a qualified service technician See the Water Temperature Setting of The Water Heater section of this manual Contact a qualified service technician to replace the gas control thermostat ACAUTION Make certain power to water heater is OFF by unplugging blower power cord from power outlet before removing protective cover FOR ANY REASON ACAUTION Label all wires prior to disconnection when servicing controls Wiring errors can cause improper and dangerous operation VERIFY PROPER OPERATION AFTER SERVICING ACAUTION For your safety DO NOT attempt repair of gas piping gas control thermostat burners vent and or combustion air inlet systems or other safety devices Refer repairs to qualified service personnel 34 Gas Control LED Error Codes LED Status Problem Solution 0oceo Oo Anopen earth ground circuit to the 1 Check that the earth ground connection is properly con
7. 1 DO contact a qualified service technician if the main burner will not stay lit The burner chamber is designed to be sealed utilizing a gasket and tamper resistant screws DO provide proper slope for condensate drain line Burner Access Door Grommet 5 Sight Glass DON T DON T block the Flammable Vapour Sensor located around the lower portion of the water heater jacket DON T remove the Burner Access Door unless absolutely necessary This should only be done by a qualified service technician A new burner access door gasket must be installed on any burner access door that has been removed DON T install this water heater where standing water may occur The base of the water heater is meant to be mounted on a dry surface DON T allow cleaners solvents or other materials to come into contact with the Flammable Vapour Sensor DON T operate the water heater if the sight glass or burner access door grommet is damaged or broken see illustration at left Installation Checklist A Water Heater Location In a location where the vent and combustion air inlet systems will be within the requirements specified in this manual Indoors and protected from freezing temperatures Proper clearance from combustible surfaces observed and water heater not installed on carpeted floor Sufficient fresh air supply for proper operation of water heater B Water Supply Water heater compl
8. 15 2 cm RJ Air Gap Lighting the water heater Before operating this water heater be sure to read and follow the instructions on the label pictured below and all other labels on the water heater as well as the warnings printed in this manual Failure to do so can result in unsafe operation of the water heater resulting in property damage personal injury or death Should you have any problems reading or following the instructions in this manual STOP and get help from a qualified person FOR YOUR SAFETY READ BEFORE OPERATING A WARNING If you do not follow these instructions and the Use amp Care Manual instructions exactly a fire or explosion may result causing property damage personal injury or loss of life A This appliance does not have a pilot It is equipped with an ignition device which auto matically lights the burner DoNOTtry to light the burner by hand BEFORE PUTTING THIS APPLIANCE INTO SERVICE Smell all around the appliance area for gas Be sure to smell next to the floor because some gas is heavier than air and will settle on the floor WHAT TO DO IF YOU SMELL GAS e Do not try to light any appliance e Do not touch any electric switch do not use any phone in your building e Immediately call your gas supplier from a neighbor s phone Follow the OPERATING IN Stop Read the safety information above 8 on this label Toggle the ON OFF switch located on the 9 gas control to the
9. 6 ft at another location 1 8 m Inside Corner Chalk 12 in min above grade or above anticipated snow level 6 ft 1 8 Caulk zone or to edge of window etc se within 6 ft 1 8 m 4 ft 22m Vent Recommended Wind Vane Combustion Air Inlet A WARNING Moisture in the flue gas will condense as it leaves the vent terminal In cold weather this condensate can freeze on the exterior wall under the eaves and on surrounding objects Some discoloration to the exterior of the building is to be expected However improper location or installation can result in severe damage to the structure or exterior finish of the building Terminal Location Additional Considerations 1 To help prevent moisture from freezing on walls and under eaves do not locate the vent terminal on the side of a building with prevailing winter winds When terminating the vent and combustion air inlet pipes through brick or masonry surfaces the installation of a rust resistant sheet metal backing plates behind the vent and combustion air inlet terminals are recommended DO NOT locate the vent terminal too close to shrubbery as flue gasses may damage them Caulk all cracks seams and joints within 6 ft 1 8 m of the vent and combustion air inlet terminals In cold climates precautions may need to be taken to ensure that the condensate in the vent pipe does
10. VAC A ABC ignition system nected 2 Check that the ground conductor on the water heater is properly connected 0ceceo Wiring error or a high resistance to 1 Check proper connection of line neutral and hot wires VAC AA BC earth ground 2 Check that the water heater is securely connected to earth ground O O O o Pressure switch remained closed 1 Pressure switch wiring is incorrect VAC A A BC longer than 5 seconds after the call for 2 Replace pressure switch heat began 0cec oe Pressure or temperature switch 1 Pressure switches wiring is incorrect VAC AA BC remained open longer than 5 seconds 2 Pressure switches tubing is not connected correctly after the combustion blower was 3 Air inlet exhaust or condensate lines obstructed energized 4 Check vent and air inlet pipe size used is per this installa tion instructions 5 Check maximum number of elbows or maximum equiva lent feet of vent and air inlet pipe does not exceed recom mended length in these installation instructions 6 Replace faulty switch es on blower assembly ececee Error in the hot surface ignitor circuit 1 Check that all wiring is correct and secure VAC AABC 2 Replace hot surface ignitor 0ccee oo System in lockout 1 Gas supply is off or too low to operate VAC AABC 2 Hot surface ignitor not positioned correctly 3 Low voltage to the water heater 4 Electric polarity to unit is incorrect test and correct 5 Replace gas con
11. camouflage a gas leak Water heaters utilizing LP gas are DANGER If a gas leak i t different from natural gas models A A a e ens o suspected natural gas water heater will not function safely on LP gas and vice versa No attempt should ever be made to convert the water heater from natural gas to LP gas To avoid possible equipment damage personal injury or fire do not connect the water heater to a fuel type not in accordance with the unit data plate LP for LP units Natural gas for natural gas units These units are not certified for any other fuel type LP appliances should not be installed below grade for example in a basement if such installation is prohibited by federal province and or local laws rules or regulations LP gas must be used with great caution It is heavier than air and will collect first in lower areas making it hard to detect at nose level Before attempting to light the water heater make sure to look and smell for gas leaks Use a soapy solution to check all gas fittings and connections Bubbling at a connection indicates a leak that must be corrected When smelling to detect a gas leak be sure to sniff near the floor also Gas detectors are recommended in LP amp natural gas applications and their installation should be in accordance with the detector manufacturer s recommendations and or local laws rules or regulations It is recommended that more than one method such a
12. flow Do not smoke or use an open flame near the faucet at the time it is open Safety Precautions A DANGER Hotter water increases the Potential for Hot Water SCALDS Households with small children disabled or elderly persons may require a 120 F 49 C or lower gas control thermostat setting to prevent contact with HOT water 28 A Do turn off manual gas shut off valve if water heater has been subjected to over heating fire flood physical damage or if the gas supply fails to shut off B Do Not turn on water heater unless it is completely filled with water Do Not turn on water heater if cold water supply shut off valve is closed D Do Not allow combustible materials such as newspaper rags or mops to accumulate near water heater E Do Not store or use gasoline or other flammable vapours and liquids such as adhesives or paint thinner in vicinity of this or any other appliance Operating Procedure This heater is equipped with a hot surface ignitor to light the main burner There is no pilot light to be lit but on initial start up it is recommended that the outer door be removed leave inner door in place for safety to determine if the hot surface ignitor and main burner are operating properly Once filled with water it is only necessary to plug the power cord in and make sure the ON OFF switch located on the gas control thermostat is in the ON position to put
13. inch NOTICE This unit is equipped with a Flammable Vapour Sensor Do not apply power until enough time has passed to allow the vapours from the primer and cement to dissipate Wiring If local codes permit the water heater may be connected to electric service with the power cord provided DO NOT use an extension cord A grounding receptacle is required Ensure polarity is correct If local codes do not permit the use of cord connections a 120 V 60 Hz power supply with suitable disconnecting means must be connected to the black and white The maximum current draw is approximately 5 0 amps The water heater must be electrically grounded in accordance with local codes or in the absence of local codes in accordance with latest edition of the Canadian Electrical Code CSA C22 1 Refer to the figures below for water heater internal wiring leads in the heater control enclosure z CONNECTOR DIAGRAM H SCHEMATIC DIAGRAM 120 VAC PLUG FOR POWERVENT BLOWER ASSEMBLY lt IDV o TEMPERATURE VAC VAC SWITCH NC SWNO SWNC TEMPERATURE SWITCH NC VAC VAC BLOWER SWNO SWNC POWER VENT BLOWER ASSEMBLY IGNITER WIRE HARNESS THAT RUNS FROM BLOWER ASSEMBLY TO GAS VALVE CONTROL FLAME SENSOR GAS VALVE COMM PORT INTELLI VENT ELECTRONIC CONTROL i Eo OE co a ES z BK BLACK 9 BL BLUE 9 FLAMMABLE G GREEN u 2 VAPOR SENSOR R RED
14. of Wall Outside of Building 8 Horizontal Vent and Combustion Air Inlet Alternate Vent Riser Terminal Installation Maintain a minimum distance from the vent IMPORTANT Remember to include the and combustion air inlet terminals of not less additional 90 elbows and vertical height than 1 ft 30 5 om above grade or average of the vent and combustion air inlet pipes snowfall whichever is greater g of the vent riser when calculating the Connect the vent riser assemblies to the vent maximum equivalent vent and combustion and combustion air inlet pipes which are ir inl t svstem leneths Th y extending out of the building Am Er SYSTEM AENETOS ema um ai tiie back of hedi elb equivalent vent and combustion air inlet e nsure that the back of the elbows are flush with the outside wall surface Syste TET g hs mnst De as spectiiod Om page and that the vent and combustion air inlet 13 terminations of the vent risers are parallel with the outside wall Front View Ont ao Side View Option a Terminal blies to b Iel t Il Terminal assemblies to be parallel to wall ene ree i S para A Short piece of pipe Da ual Combustion Air Inlet Rear of elbow flush Vent Outlet Combustion Air Vent Outlet De with outside wall Inlet Wind Vane j Termination x lt 4 Openings 12 in 30 5 cm min above grade or anticipated snow level y
15. of unauthorized energy saving devices may shorten the life of the water heater and may endanger life and property The manufacturer disclaims any responsibility for such loss or injury resulting from the use of such unauthorized devices ACAUTION If local codes require the application of an external insulation blanket to this water heater pay careful attention to the following so as not to restrict the proper function and operation of the water heater DO NOT cover the operating or warning labels attached to the water heater or attempt to relocate them on the exterior of insulation blanket DO NOT apply insulation to the top of the water heater This will interfere with the safe operation of the blower assembly DO NOT cover the burner access door jacket door condensate trap gas control thermostat or pressure and temperature relief valve DO NOT apply insulation to the bottom of the water heater or the area where the Flammable Vapour Sensor is located This area must be unobstructed so as not to restrict operation of the sensor Inspect the insulation blanket frequently making certain it has not sagged down onto the Flammable Vapour sensor located around the lower perimeter of the water heater jacket This could result in an unsafe operating condition Hot and Cold Pipe Insulation Installation Typical vertical piping arrangement For increased energy efficiency some water heaters have been supplied with
16. pipe or flexible tubing suitable for use with flue condensate as drain line If flexible tubing is used ensure that there are no bends or twists and has gradual slope to condensate drain e The drain line along its entire length must be at least the same diameter as the drain of the condensate trap 1 2 distribution The discharge line must be no smaller than the outlet of the valve and must pitch downward from the valve to allow complete drainage by gravity of the relief valve and discharge line The end of the discharge line should not be threaded or concealed and should be protected from freezing No valve of any type restriction or reducer coupling should be installed in the discharge line A steady flow of water from the hot water faucet s indicates a full water heater Do not allow the flammable vapour sensor to become submerged in water The drain line must be short as possible and have a downward slope towards the condensate drain If suitable slope is not provided the drain line can get blocked and will cause improper operation of the water heater If a downward slope cannot be provided a condensate pump should be used to pump condensate to a suitable drain The end of the drain line should be open to the atmosphere The end should not be under water e Do not connect the drain line directly to the sewer drain e Do not connect the drain line with drains from other appliances Do not
17. should use ASTM D2564 grade cement CPVC materials should use ASTM F493 grade cement Vent NOTICE All joints in the vent piping must be properly sealed Follow the instructions provided by the vent manufacturer for sealing the joints NOTICE Vent pipe fittings solvent cement primer and procedures must conform to ULC S636 vent manufacturer s requirements Cleaner Primer and Medium Body Solvent Cement 4 Cut pipe end square remove jagged edges and burrs Chamfer end of pipe then clean fitting socket and pipe joint area of all dirt grease or moisture 9 After checking pipe and socket for proper fit wipe socket and pipe with cleaner primer Apply a liberal coat of primer to inside surface of socket and outside of pipe Do not allow primer to dry before applying cement 3 Apply a thin coat of cement evenly in the socket Quickly apply a heavy coat of cement to the pipe end and insert pipe into fitting with a slight twisting motion until it bottoms out NOTICE Cement must be fluid if not recoat 4 Hold the pipe fitting for 30 seconds to prevent the tapered socket from pushing the pipe out of the fitting 5 Wipe all excess cement from the joint with a rag Allow 15 minutes before handling Cure time will vary according to fit temperature and humidity NOTICE Stir the solvent cement frequently while using Use a natural bristle brush or the dauber supplied with the can The proper brush size is one
18. the Gas Supply System The water heater and its manual gas shut off valve must be disconnected from the gas supply piping system during any pressure testing of that system at pressures in excess of 1 2 psi 14 w c 3 5 kPa The water heater must be isolated from the gas piping system by closing the manual gas shut off valve during any pressure testing of the gas supply piping at pressures equal to or less than 1 2 psi 14 w c 3 5 kPa 11 Installing the water heater AWARNING Failure to install a water heater suitable for the altitude at the location it is intended to serve can result in improper operation of the appliance resulting in property damage and or producing carbon monoxide gas which could result in personal injury or death ADANGER To avoid the risk of fire explosion or asphyxiation from carbon monoxide NEVER operate the water heater unless it is properly vented and the Vent and Combustion Air Inlet systems are properly installed as detailed in the Vent and Combustion Air Inlet section of this manual The vent pipe must overlap a minimum of on each connection It is important that the vent pipe engages fully into any pipe fitting and be kept in that position until the adhesive has fully cured DO NOT drill or punch holes in the vent or combustion air inlet pipe or fittings NOTICE This unit is equipped with a Flammable Vapour Sensor Do not apply power until
19. thermostat to the desired temperature setting by pressing the COOLER and HOTTER buttons at the same time and holding them for 1 second Depress the HOTTER button until the desired temperature display setting is lit The preferred starting point for temperature setting is indicated by amp on the thermostat If the appliance will not operate follow the instructions TO TURN OFF GAS TO APPLIANCE and call your service technician or gas supplier ON OFF SWITCH BUTTONS TO TURN GAS OFF TO THE APPLIANCE Set the thermostat to the lowest setting by first depressing the COOLER Qand HOTTER buttons at the same time and holding for 1 second Depress the COOLER button until only the VAC indicator light is lit 2 Toggle the ON OFF switch located on the gas control to the OFF position 3 Turn off all electrical power to the appliance 27 Operating the water heater ACAUTION Hydrogen gas can be produced in a hot water system served by this water heater that has not been used for a long period of time generally two weeks or more HYDROGEN GAS IS EXTREMELY FLAMMABLE To dissipate such gas and to reduce risk of injury it is recommended that the hot water faucet be opened for several minutes at the kitchen sink before using any electrical appliance connected to the hot water system If hydrogen is present there will be an unusual sound such as air escaping through the pipe as the water begins to
20. two 24 61 cm sections of pipe insulation Typical horizontal piping arrangement Install the insulation according to the illustrations above that best meets your requirements Temperature amp Pressure T amp P Insulation Installation For increased energy efficiency this water heater has been supplied with a 2 3 8 6 cm section of T amp P insulation Install the insulation as shown below Typical Side Connect T amp P Arrangement 2 screws mounting tabs Slip the insulation cover over the T amp P Valve through the center hole and align the hole in the side with the opening of the T amp P Valve Heat Trap For increased energy efficiency some water heaters have been supplied with factory installed 3 4 NPT heat traps in the hot outlet line and cold water inlet line Top Cap Installation Top Cap View Read these instructions thoroughly and make sure you understand all the steps and procedures before proceeding with the installation Carefully remove the Top Cap from the wa ter heater carton Install the water heater as specified per this Use amp Care Manual NOTICE Also see information as detailed in Water Supply Connections section Ensure the T amp P Valve opening is not obstructed by the insulation These heat traps may require a minimum of one 1 90 3 4 NPT elbow and may require an additional 90 3 4 NPT elbow or a 3 4 coupling depending on your in
21. water heater s combustion air inlet tube assembly Support vertical and horizontal lengths of the vent and combustion air inlet systems as previously mentioned Determine the vent and combustion air inlet terminal heights and cut the pipe accordingly Insert lengths of vent and combustion air inlet pipes through the ceiling wall as shown Install adequate flashing where the vent and combustion air inlet pipes pass through the roof Connect vent elbow onto vertical pipe through roof Connect a short piece of pipe approximately 3 in between the terminals and elbows 18 Exhaust Vent and Combustion Air Inlet Pipe Through Roof Terminals with 1 2 in mesh Protective Screens and Termination Restrictors Inside Short Piece of Pipe ye Exhaust Vent Elbow A Short Piece of Pipe Combustion Air Inlet i Wind Vane y Min 18 in 46 cm Above Roof or 12 30 5 cm above Anticipated Snow Level which ever is highest Exhaust Vent and Max 24 in 61 cm bove Roof i Without Additional Vent Connector Combustion Rubber Coupling SO Alternate Vent and Combustion Air Inlet Pipe Through Roof Terminals with 1 2 in mesh Short Piece of Pipe Protective Screens Inside Bxhaust Vent Short Piece of Combustion i Pipe Air Inlet Min 18 in 46 cm Wind Above Roof or 12 30 5 cm above Antic
22. Canada Ltd 125 Edgeware Road Unit 1 Brampton ON L6Y OPS Phone 1 800 268 6966 Warranty 1 800 263 8342 When contacting the manufacturer the following information will be requested a Model and serial number of the water heater as shown on the rating plate attached to the jacket of the heater b Address where the water heater is located and physical location C Name and address of installer and any service agency who performed service on the water heater d Date of original installation and dates any service work was performed e Details of the problems as you can best describe them f List of people with dates who have been contacted regarding your problem
23. ON position Set the thermostat to the lowest setting b pressing the COOLER and HOTTER buttons at the same time and holding them for 1 second Depress the COOLER button until only the VAC indicator light is lit Toggle the ON OFF switch located on the gas control to the OFF position Turn off all electrical power to the appliance 11 This appliance is equipped with a Hot Surface Ignition System which auto matically lights the burner Do NOT open the inner door of this appliance and try to light the burner by hand Wait five 5 minutes to clear out any gas If you smell gas STOP Follow B in the safety information above on this label If you donot smell gas go ahead to the next step 10 COOLER HOTTER gas supplier s instructions e If you cannot reach your gas supplier call the fire department C Use only your hand to push in the gas control buttons Never use tools If the control buttons will not push in don t try to repair them call a qualified service technician Force or attempted repair may result in fire or explosion Do not use this appliance if any part has been under water Immediately call a qualified installer or service agency to replace a flooded water heater Do not attempt to repair the unit It must be replaced STRUCTIONS Turn onall electrical power to the appliance Toggle the ON OFF switch located onthe gas control to the ON position Set
24. The installation of unions or flexible copper connectors is recommended on the hot and cold water connections so that the water heater may be easily disconnected for servicing if necessary The HOT and COLD water connections are clearly marked and are 3 4 NPT on all models Install a shut off valve in the cold water line near the water heater IMPORTANT It is recommended that the hot and cold water piping have a minimum vertical height of 10 25 4 cm from the Typical Installation Air inlet connector top of the water heater before the transition into any elbow This vertical height is needed in order to provide adequate clearance for top cap installation and removal To gain access to the hot and cold water connections on water heater remove the two 2 screws that secure the top cap to the water heater then pull the top cap upward and off the water heater See illustration of top cap and screws on pages 23 amp 36 Air inlet 1 8 per foot minimum g g oe upward for horizontal e lt venting Union Heat trap Recommended W 6 15 2 cm rs D Vent minimum MA p recommended T Ah Blower assembly gt Union oH f KO Recommended A RA a Hot water outlet to he fixtures Vacuum Relief Valve Heat trap 4 6 15 2 cm p Q minimum re 5 recommende Temperature and pressure Typical for W T amp P relief valve both sides IAS Water Heater Jacket Shutt To cold
25. VERTICAL INSTALLATION STEP 1 Cut a 5 12 7 cm diameter opening in the roof and install field supplied weather seal boot flashing for a 4 1 2 PVC pipe STEP 2 From inside insert the 4 1 2 diameter combustion air inlet pipe up through the seal boot ensuring that no insulation or debris accumulate in the pipe Ensure termination height is above the 12 30 5 cm minimum clearance anticipated snow level STEP 3 Secure the combustion air inlet pipe using a field supplied perforated strap or a suitable type material See Figure 4 STEP 4 Assemble the vent pipe assembly by cleaning and cementing the rain cap to the 2 7 8 diameter exhaust pipe Assemble the supplied 90 street elbow by cleaning and cementing to the rain cap Assemble the field supplied ULC S636 approved PVC connector and 90 PVC elbow by cleaning and cementing together as shown in Figure 4 A WARNING Do not operate the water heater with the rain cap removed or recirculation of combustion products may occur The vent air pipes may also take in water causing damage to the water heater Failure to follow this warning could result in damage to the unit improper operation personal injury or death 38 STEP 5 From the roof top slide the vent pipe assembly down through the intake pipe and cement the rain cap to the intake pipe From the inside cement the wye fitting to the intake pipe See Figure 4 STEP 6 Complete the instal
26. VICING ACAUTION For your safety DO NOT attempt repair of gas piping gas control thermostat burners vent and or combustion air inlet systems or other safety devices Refer repairs to qualified service personnel 33 Before You Call For Service Troubleshooting Tips service Save Time and Money Review the charts on the following pages first and you may not need to call for This water heater incorporates a combustion shut off devices that shuts the operation of the water heater down if undesirable combustion conditions occur such as the presence of flammable vapours or blockage of the vent and or combustion air inlet systems Contact a Qualified Service Technician if this occurs Problem Possible Causes Rumbling noise Scale and sediment Pressure build up caused by thermal expansion to a closed system Relief valve producing popping noise or draining Water usage may have exceeded the capacity of the water heater Not enough or no hot water What To Do Drain the water heater to remove scale and sediment from the tank Refer to the top of page 31 This is an unacceptable condition and must be corrected Contact the water supplier or plumbing contractor on how to correct this Do not plug the relief valve outlet Wait for the water heater to recover after an abnormal demand Low gas pressure Check gas supply pressure and manifold pressure The gas control thermostat may be set too low
27. a separate back flow preventer or it may be part of a pressure reducing valve water meter or water softener A check valve located in the cold water inlet line can cause what is referred to as a closed water system A cold water inlet line with no check valve or back flow prevention device is referred to as an open water system As water is heated it expands in volume and creates an increase in the pressure within the water system This action is referred to as thermal expansion In an open water system expanding water which exceeds the capacity of the water heater flows back into the city main where the pressure is easily dissipated A closed water system however prevents the expanding water from flowing back into the main supply line and the result of thermal expansion can create a rapid and dangerous pressure increase in the water heater and system will shorten the life of any gas burning appliance Propellants from common spray cans or gas leaks from A C and refrigeration equipment are highly corrosive after passing through a flame The water heater warranty is voided when failure of the water heater is due to operation in a corrosive atmosphere piping This rapid pressure increase can quickly reach the safety setting of the relief valve causing it to operate during each heating cycle Thermal expansion and the resulting rapid and repeated expansion and contraction of compone
28. a field supplied perforated strap or a suitable type material See Figure 2 1 Max Termination Combustion Air Inlet 25 Openings 12 in to Water Heater 3 Field Supplied Dem 30 5 cm min Strap above grade or anticipated snow Vent from Water P level Heater 3 gt il bl Exhaust i FIGURE 2 STEP 4 Assemble the vent pipe assembly by cleaning and cementing the rain cap to the 2 7 8 diameter vent pipe Assemble the supplied 90 street elbow by cleaning and cementing to the rain cap See Figure 3 aT Vent Pipe Assembly Air Intake FIGURE 3 37 Alternate Vent Termination Alternate Concentric Terminal Installation Continued A WARNING Do not operate the water heater with the rain cap and elbow removed or recirculation of combustion products may occur The vent and combustion air inlet systems may also take in water causing damage to the water heater Failure to follow this warning could result in damage to the unit improper operation personal injury or death STEP 5 From the outside slide the vent pipe assembly through the combustion air inlet pipe and cement the rain cap to the combustion air inlet pipe From the inside cement the wye fitting to the combustion air inlet pipe See Figure 2 STEP 6 Complete the installation of the remainder of the vent and combustion air inlet systems as required on pages 12 thru 20 of the Use and Care manual SECTION 2
29. alve located near the top of the water heater to make certain the valve operates freely Allow several gallons to flush through the discharge line to an open drain NOTICE If the temperature and pressure relief valve on the water heater discharges periodically this may be due to thermal expansion in a closed water system Contact the water supplier or your plumbing contractor on how to correct this DO NOT plug the relief valve outlet A water heater s tank can act as a settling basin for solids suspended in the water It is therefore not uncommon for hard water deposits to accumulate in the bottom of the tank If allowed to accumulate these solids can cover the gas control thermostat sensors causing the sensors to operate erratically Because accumulated solids can prevent the gas control thermostat sensors from accurately reading the water temperature the water at the fixture can be hotter than the gas control thermostat setting It is suggested that a few quarts of water be drained from the water heater s tank every month to clean the tank of these deposits Rapid closing of faucets or solenoid valves in automatic water using appliances can cause a banging noise heard in a water pipe Strategically located risers in the water pipe system or water hammer arresting devices can be used to minimize the problem The anode rod should be removed from the water heater s tank annually for inspection and replaced wh
30. an ignite these vapours and create a shut down condition of the water heater which will not allow the water heater to ignite until examined by a Qualified Service Technician FVIR certified gas water heaters must be installed in accordance with the CAN CSA B149 1 Natural Gas and Propane Installation Code for installation in Residential Garages unless otherwise directed by Province and Local code requirements The water heater must be located so it is not subject to physical damage for example by moving vehicles area flooding etc DO NOT install the water heater in a location where it may be subjected to ambient temperatures exceeding 125 F 52 C The water heater should be installed so as to minimize the length of vent and combustion air inlet pipe s and the number of vent and combination air inlet connection fittings required Hot water lines should be insulated to conserve water and energy The water heater should be installed close to a condensate drain The water heater condensate lines and water lines should be protected from exposure to freezing temperatures DO NOT install water heater where prohibited by CAN CSA B149 1 Minimum clearance from combustible construction Front clearance dimension is measured Front Side Rear Top Front Side Rear To o o 0 12 0 cm 0 cm 0 cm 30 5 cm from front of the control to the closet door Top clearance dimension is me
31. ant Safety Information This symbol alerts you to potential hazards that can kill or hurt you and others All safety messages will follow the safety alert symbol and either the word DANGER WARNING CAUTION or NOTICE These words mean ADANGER An imminently hazardous situation that will result in death or serious injury AWARNING A potentially hazardous situation that could result in death or serious injury and or damage to property ACAUTION A potentially hazardous situation that may result in minor or moderate injury NOTICE Attention is called to observe a specified procedure or maintain a specific condition IMPORTANT SAFETY INFORMATION READ ALL INSTRUCTIONS BEFORE USING Be sure to read and understand the entire Use and Care Manual before attempting to install or operate this water heater It may save you time and money Pay particular attention to the Safety Instructions Failure to follow these warnings could result in serious bodily injury or death Should you have problems understanding the instructions in this manual or have any questions STOP and get help from a qualified service technician or the local gas utility NOTICE This water heater is equipped with a flammable vapour sensor that will automatically shut down the water heater in the presence of gasoline vapours and some other flammable vapours If the flammable vapour sensor shuts down the water heater contact a qualified servi
32. ar or in the vicinity of a water heater or any other appliance Be sure to read and follow warning label pictured below and other labels on the water heater as well as the warnings printed in this manual Failure to do so can result in property damage bodily injury or death FIRE AND EXPLOSION HAZARD Can result in serious injury or death A Do not store or use gasoline or other flammable vapors and liquids in the vicinity of this or any other appliance Storage of or use of gasoline or other flammable vapors or liquids in the vicinity of this or any other appliance can result in serious injury or death IMPORTANT SAFETY INFORMATION READ ALL INSTRUCTIONS BEFORE USING ADANGER WATER TEMPERATURE SETTING Safety and energy conservation are factors to be considered when selecting the water temperature setting of a water heater s gas control thermostat Water temperatures above 125 F 52 C can cause severe burns or death from scalding Be sure to read and follow the warnings outlined on the label pictured below This label is also located on the water heater Water temperature over 125 F 52 C can cause severe burns instantly or death from scalds Children disabled and elderly are at highest risk of being scalded See instruction manual before setting temperature at water heater Feel water before bathing or showering Temperature limiting valves are available see manual NOTICE Mixing valv
33. asured from the top pan of the water heater to the ceiling If the clearances stated on the Instruction Warning Label located on the front of the heater differ install the water heater according to the clearances stated on the label If the water heater is installed in an alcove or closet the entire floor must be covered by a wood or metal panel A minimum of 24 61 cm clearance from the front and top should be available for adequate inspection and servicing The water heater may be installed on combustible floors but not directly on carpeting If the water heater must be installed on carpeting place a metal or wood panel beneath the water heater extending beyond its full width and depth at least 3 7 6 cm in all directions Installing the water heater NOTICE The water heater should not be installed near an air supply containing halogenated hydrocarbons Corrosive Atmospheres The air in beauty shops dry cleaning establishments photo processing labs and storage areas for liquid and powdered bleaches or swimming pool chemicals often contain such halogenated hydrocarbons An air supply containing halogenated hydrocarbons may be safe to breathe but when it passes through a gas flame corrosive elements are released that Thermal Expansion Determine if a check valve exists in the inlet water line Check with your local water utility company It may have been installed in the cold water line as
34. be at the top of the tank closest to the outlet pipe delivering hot water to the home Stacking can cause this top layer of water to be hotter than the water toward the bottom of the tank near the gas control thermostat Therefore always remember to test the water temperature with your hand before use and remember that hotter water increases the risk of scald injury Also always supervise young children or others who are incapacitated The gas control thermostat is constructed with a built in safety shut off device designed to shut off the gas supply to the burner if the main burner is extinguished for any reason The gas control thermostat is also equipped with a gas shut off device that will shut off the gas sup ply to the burner if the water heater exceeds normal operating temperatures Refer to the Before You Call For Service section of this manual or contact your dealer A WARNING Should overheating occur or the gas supply fail to shut off turn off the manual gas shut off valve to the appliance If the water heater has been subjected to fire flood or physical damage turn off the manual gas shut off valve and do not operate the water heater again until is has been checked by a qualified service technician NOTICE Do not use this appliance if any part has been under water Immediately call a qualified installer or service agency to replace a flooded water heater Do Not attempt to repair the unit It mus
35. ble Space Heating 26 Operating Instructions Lighting Instructions 27 Water Temperature 28 29 Care and Cleaning Draining seeen eeen en 31 Maintenance 31 Burner Inspection 32 Vent System Inspection 32 Extended Shut Down 32 Troubleshooting Tips Before You Call For Service 33 34 Gas Control LED Error COdeS as ise eers seine 35 Customer Service Parts List s oeae ee ee 36 Alternate Vent Termination Instructions 37 38 If You Need Service 40 FOR YOUR RECORDS Write the model and serial numbers here You can find them on a label on the appliance Staple sales slip or cancelled check here Proof of the original purchase date is needed to obtain service under the warranty READ THIS MANUAL Inside you will find many helpful hints on how to use and maintain your water heater properly A little preventive care on your part can save you time and money over the life of your water heater You ll find many answers to common problems in the Troubleshooting Guide If you review the chart of Troubleshooting Tips first you may not need to call for service READ THE SAFETY INFORMATION Your safety and the safety of others are very important There are many important safety messages in this manual and on your appliance Always read and obey all safety messages This is the safety alert symbol Recognize this symbol as an indication of Import
36. ce technician Clear any hazardous materials and ventilate the area around the water heater Do not turn off the appliance or adjust the ON OFF switch in any way Do not tamper with the flammable vapour sensor Do not submerse the flammable vapour sensor in water Do not allow the flammable vapour sensor to come into contact with any substances such as bleach or cleaners See the Gas Control LED Error Codes Section of this manual for a list of error codes ADANGER A PROPERLY VENT THE WATER HEATER Failure to properly vent the water heater as outlined in the Vent and Combustion Air Inlet Section of the Installation Instructions in this manual can result in unsafe operation of the water heater To avoid the risk of fire explosion or asphyxiation from carbon monoxide never operate this water heater unless both the vent and combustion air inlet systems are properly installed Be sure to inspect both the vent and the combustion air inlet for proper installation at initial start up and at least periodically thereafter Refer to the Care and Cleaning section of this manual for more information regarding vent and combustion air inlet system inspection A AWARNING Gasoline as well as other flammable materials and liquids which include but are not limited to adhesives solvents paint thinners etc and the vapours they produce are extremely dangerous DO NOT handle use or store gasoline or other flammable or combustible materials anywhere ne
37. certain flammable paints stains and thinners Vapours of vent pipe Cement amp Solvents Bleach direct contact with flammable vapour sensor Some other flammable materials and their vapours If the flammable vapour sensor shuts down the water heater then the electronic control will display the appropriate error code and you should then promptly contact a qualified service technician Refer to the NOTICE on page 3 for additional information Care and cleaning of the water heater ADANGER Before manually operating the relief valve make certain no one will be exposed to the danger of the hot water released by the valve The water may be hot enough to create a scald hazard The water should be released into a suitable drain to prevent injury or property damage ADANGER Hotter water increases the potential for Hot Water Scalds ADANGER Failure to perform the recommended Routine Preventative Maintenance can harm the proper operation of this water heater which can cause carbon monoxide dangers excessive hot water temperatures and other potentially hazardous conditions Draining the Water Heater ACAUTION Shut off gas to the water heater gas control thermostat at the manual shut off valve before draining water ADANGER Before manually operating the temperature and pressure relief valve make certain no one will be exposed to the hot water released by the valve The water drained from the tan
38. d before allowing the water heater of pipe including pipe increasers if used from the to operate blower exhaust coupling before a transition into any elbow When using pipe and fittings use 90 elbows of the corresponding size and material for the vent terminal and combustion air inlet terminals Elbows are limited to a total equivalent length of 20 ft 6 m Maximum allowed four 4 90 elbows or eight 8 45 elbows Additional Fitting Considerations Examples of Elbows DO NOT use short sweep DO NOT use GOOD BEST elbows It is recommended to use only standard and or long sweep elbows See examples as shown Short Sweep 90 Elbow Standard 90 Elbow Long Sweep 90 Elbow 13 Installing the Water Heater Direct Vent Terminal Location The following information should be used for determining the proper location of the vent terminal for the water heater Vent Terminal Air Supply Inlet Area Where Terminal Is Not Permitted Canadian Installations A Clearance above grade veranda porch deck 1ft 30 cm or balcony B Clearance to window or door that may be 1 ft 30 cm for appliances gt 10 000 Btuh 3 kW opened C Clearance to permanently closed window 1 ft 30 cm D Vertical clearance to ventilated soffit located 2 ft 61 cm above the terminal E Clearance to unventilated soffit 1 ft 30 cm F Clearance to outside corner 1 ft 30 cm G Clearance to inside corner 2 ft 61 cm
39. drain condensate into the water heater drain pan e Do not drain condensate over public way walkway or other areas where it will create slippery condition which could lead to personal injury AWARNING Do not attempt to convert this water heater for use with a different type of gas other than the type shown on the rating plate Such conversion could result in hazardous operating conditions A WARNING Never use an open flame to test for gas leaks as property damage personal injury or death could result Gas Supply The branch gas supply line to the water heater should be a clean 1 2 black steel pipe or other approved gas piping material A union or ANSI design certified semi rigid or flexible gas appliance connector should be installed in the gas line close to the water heater The Canadian Standards Association mandates a manual gas shut off valve See CSA B149 1 Installation Code for complete instructions If flexible connectors are used the maximum length shall not exceed 36 and must meet the requirements in ANSI Z21 24 Connectors for Gas Appliances If lever type gas shut offs are used they shall be T Handle type Compound used on the threaded joints of the gas piping must be of the type resistant to the action of LP gas Use compound sparingly on male threads only Where a sediment trap is not incorporated as part of the appliance a sediment trap shall be installed downstream of the equipment shut
40. en more than 6 15 2 cm of core wire is exposed at either end of the rod Make sure the cold water supply is turned off before removing anode rod This water heater incorporates a combustion shut off devices that shuts the operation of the water heater down if undesirable combustion conditions occur such as the presence of flammable vapours or blockage of the condensate combustion air inlet and venting systems Contact a Qualified Service Technician if this occurs 31 Care and cleaning of the water heater ADANGER Combustible materials such as clothing cleaning materials or flammable liquids etc must not be placed against or next to the water heater Proper burner flame pattern NOTICE Refer to the Hydrogen Gas Caution in the Operating Instructions NOTICE Do not remove the anode rod from the water heater s tank except for inspection and or replacement as operation with the anode rod removed will greatly shorten the life of the glass lined tank and will exclude warranty coverage 32 Housekeeping To ensure sufficient ventilation and combustion air supply proper clearances must be maintained DO NOT obstruct or block the Burner Inspection Visually inspect the hot surface ignitor and burner annually Through the sight glass inspect the hot surface ignitor with the main burner off and inspect the main burner while firing If any unusual burner operation is noted the water hea
41. enough time has passed to allow the vapours from the primer and cement to dissipate 12 High Altitude Input rating of this water heater is based on sea level operation At higher elevations the actual input rate may be lower than the value listed on the rating label due to the derating of natural gas and LP gas This water heater can be installed at elevations up to the elevation listed on the rating plate attached to the water heater without any change or modifications Refer to the Venting Information tables on page 13 for maximum vent lengths Contact the local gas supplier for more information Vent and Combustion Air Inlet This water heater is a direct vent appliance and must be installed so that all air for combustion is derived directly from the outside atmosphere and all flue gases are discharged to the outside atmosphere For proper installation of the vent and combustion air inlet systems follow the instructions as detailed in this manual and those per the current edition of CAN CSA B149 1 Natural Gas and Propane Installation Code DO NOT connect this water heater to an existing vent or chimney it must be vented separately from all other appliances This water heater must be vented to the outdoors with 2 or 3 diameter PVC or CPVC pipe and fittings that is certified to the current edition of ULC S636 The vent system must be installed in accordance with the vent system manufacturer s installation inst
42. ent amp Combustion Min Allowed Equivalent Max Allowed Equivalent Air Inlet System Vent amp Combustion Air Vent amp Combustion Air Diameter Inlet Lengths Each Pipe Inlet Lengths Each Pipe Vent and Combustion Air Inlet Model Run Run System Termination s a e e Gallon Heaters NOTICE A 90 elbow is equivalent to 5 ft of straight pipe A 45 elbow is equivalent to 2 5 ft of straight pipe The use of a 45 elbow is preferred over a 90 elbow The vent and combustion air inlet terminations are not included in the equivalency calculations NOTICE The mixing of 2 and 3 piping is not o i allowed If3 pipe is used a 3 to 2 reducer 3 in diameter pipea Sinsdiameter pip fitting is allowed at the vent connector fitting 2in pipe diameter Vent Combustion air inlet This water heater is supplied with a 2 PVC Min 2 1 2 in 6 3 cm a is aye Schedule 40 90 vent terminal When venting cae 2 cm Max ag pacing with 3 pipe Schedule 40 PVC 90 vent terminals must be used Screens for both 2 and 3 vent terminals have been included Vent Connector Fitting Wind vane for 3 combustion inlet terminals have been included Wind vane should be cemented to the combustion intake terminal using PVC cement Wind vane should be cemented as shown in figure on page 16 IMPORTANT Ensure that all the coupling Maintain a minimum vertical height of 6 in 15 2 cm clamps are tightene
43. er Sensor Couplings Burner Access Door Gasket 6 bee acket Door Burner orifice if Burner Access Door Grommet Igniter Burner Access Door 36 Alternate Vent Termination INSTALLATION INSTRUCTIONS for Alternate Concentric Terminal Use only Rheem 3 vent kit part number SP20261 IMPORTANT Read these instructions thoroughly and make sure you understand all steps and proce dures before proceeding with the installation INSPECT SHIPMENT Inspect contents for possible missing or damaged components See Figure 1 This kit includes Qty 1 one PVC Rain Cap Qty 1 one 2 7 8 Diameter PVC Exhaust Pipe Qty 1 one 4 1 2 Diameter PVC Air inlet Pipe Qty 1 one PVC Wye Qty 1 one 90 PVC Street Elbow Wye 4 1 2 Dia Pipe FIGURE 1 2 7 8 Dia Pipe Rain Cap Elbow AWARNING These instructions are intended as an aid to qualified service personnel for proper installation adjustment and operation of this kit Read these instructions thoroughly before attempting installation adjustment or operation Failure to follow these instructions can result in improper installation adjustment service or maintenance possibly resulting in fire electrical shock property damage personal injury or death AWARNING This kit is to be used only for vent amp combustion air inlet termination for Power Direct Vent Gas Water Heaters Do not use this kit to termina
44. es are available for reducing point of use water temperature by mixing hot and cold water in branch water lines Contact a licensed plumber or the local plumbing authority for further information The chart shown below may be used as a guide in determining the proper water temperature for your home Time Temperature Relationship in Scalds Water Temperature Time To Produce a Serious Burn 120 F 49 C More than 5 minutes 125 F 52 C I to 2 minutes 130 F 54 C About 30 seconds 135 F 57 C About 10 seconds 140 F 60 C Less than 5 seconds 145 F 63 C Less than 3 seconds 150 F 66 C About 1 2 seconds 155 F 68 C About 1 second Table courtesy of Shriners Burn Institute ADANGER Households with small children disabled or elderly persons may require a 120 F 49 C or lower gas control thermostat setting to prevent contact with HOT water Maximum water temperatures occur just after the burner has shut off To find water temperature being delivered turn on a hot water faucet and place a thermometer in the water stream and read the thermometer See page 28 and 29 for more details The temperature of the water in the heater can be regulated by pressing the COOLER or HOTTER arrow buttons on the front of the gas control thermostat To comply with safety regulations the gas control thermostat was set at its lowest setting before the water heater was shipped fr
45. etely filled with water Air purged from water heater and piping C Gas Supply Gas line equipped with shut off valve union and sediment trap Approved pipe joint compound used Soap and water solution used to check all connections and fittings for possible gas leak D Relief Valve Temperature and Pressure Relief Valve properly installed and discharge line run to open drain Air supply free of corrosive elements and flammable vapours Provisions made to protect area from water damage Sufficient room to service heater Combustible materials such as clothing cleaning materials rags etc clear of the base of the heater Flammable vapour sensor is not blocked Water connections tight and free of leaks Check inlet gas pressure with main burner on Gas Company inspected installation if required Discharge line protected from freezing E Venting and combustion air inlet systems Heater vented separately from all other appliances Blower assembly properly installed Proper materials and techniques used in the installation of the vent and combustion air inlet systems Vent pipe properly secured to the exhaust connector of the blower assembly Vent and combination air inlet systems supported at required intervals F Wiring Correct power supply 120 V Electrical connections tight G Condensate Line Sloped toward drain Condensate drain line hoses clamped Condensate drain
46. gt 9 W WHITE 22 6 Y YELLOW C Oo W na w FLAMMABLE 3 VAPOR SENSOR cam m THERMISTORS NOTE IF ANY OF THE ORIGINAL WIRE SUPPLIED WITH THE APPLIANCE MUST BE REPLACED IT MUST BE REPLACED WITH A 18 GA 600 V 105 C WIRE Q o THERMISTORS v H N 120V 60 Hz LESS THAN 5 AMPS C NOT AVAILABLE ON ALL MODELS Ey ACAUTION Label all wires prior to disconnection when servicing controls Wiring errors can cause improper and dangerous operation VERIFY PROPER OPERATION AFTER SERVICING 21 Installing the water heater AWARNING If local codes require external application of insulation blanket kits the manufacturer s instructions included with the kit must be carefully followed 22 Insulation Blankets Insulation blankets available to the general public for external use on gas water heaters are not necessary The purpose of an insulation blanket is to reduce the standby heat loss encountered with storage tank heaters This water heater meets or exceeds the National Appliance Energy Conservation Act standards with respect to insulation and standby loss requirements making an insulation blanket unnecessary The manufacturer s warranty does not cover any damage or defect caused by installation attachment or use of any type of energy saving or other unapproved devices other than those authorized by the manufacturer into onto or in conjunction with the water heater The use
47. ined tank After a long shut down period the water heater s operation and controls should be checked by qualified service personnel Make certain the water heater is completely filled again before placing it in operation Water sometimes contains a high sulfate and or mineral content and together with cathodic protection process can produce a hydrogen sulfide or rotten egg odor in the heated water Chlorination of the water supply should minimize the problem Before You Call For Service Q Troubleshooting Tips Review the charts on the following pages first and you may not need to call for service This water heater incorporates a combustion shut off devices that shuts the operation of the water heater down if undesirable combustion conditions occur such as the presence of flammable vapours or blockage of the vent and or combustion air inlet systems Contact a Qualified Service Technician if this occurs Problem Possible Causes Condensation This usually happens when a new water heater is filled for the first time What To Do This is normal After the water in the tank warms up the condensation will disappear If however the condition persists examine the piping and fittings for possible leaks Moisture from the products of combustion condensing on the tank surface This is normal and will disappear in time Excessive condensation can cause main burner outage An undersized water heater wi
48. ipated Snow Level whichever is Combustion highest Exhaust Vent Air Inlet and Max 24 in 61 cm Above Roof Without Additional Support Min 6 in fag NS arises 15 2 cm Slope horizontal pipe Vent Connector upward 1 8 in per foot Rubber Coupling NOTICE Alternate Vent Termination Instructions Concentric Vent can be found on page 37 amp 38 of this manual 19 Installing the Water Heater NOTICE All pipe fittings solvent cement primers and procedures must conform to American National Standards Institute and American Society for Testing and Materials ANSI ASTM standards AWARNING DANGER OF FIRE OR BODILY INJURY Solvent cements and primers are highly flammable Provide adequate ventilation and do not assemble near heat source or open flame Do not smoke Avoid skin or eye contact Observe all cautions and warnings on material containers ACAUTION For proper installation DO NOT use solvent cement that has become curdled lumpy or thickened DO NOT thin solvent cement Observe shelf precautions printed on the containers For applications below 32 F 0 C use only low temperature type solvent cement Appropriate solvent and cleaner must be used for the type of vent pipe used 20 Cementing Joints Combustion Air Inlet All joints in the combustion air inlet piping must be properly sealed and the following materials are recommended PVC materials
49. k may be hot enough to present a scald hazard and should be directed to a suitable drain to prevent injury or damage Before turning off the cold water supply to the water heater open a hot water faucet allowing sufficient cold water into the tank to prevent the risk of a scald injury while draining the water heater Once the water in the tank is no longer hot turn off the cold water supply to the water heater Open a hot water faucet or lift the handle on the relief valve to admit air to the tank Attach a garden hose to the drain valve on the water heater and direct the stream of water to a drain Open the drain valve Routine Preventative Maintenance Properly maintained your water heater will provide years of dependable trouble free service It is recommended that a periodic inspection of the gas control thermostat burner relief valve internal flue way and venting system should be made by service personnel qualified in gas appliance repair It is suggested that a routine preventative maintenance program be established and followed by the user Inspect the combustion air inlet pipe and vent pipes Make certain that all joints are secure and that vent pipe supports are all in place Check the outdoor vent and air inlet pipes to see that it is free of obstructions and that there is no damage nearby caused by condensate At least once a year lift and release the lever handle on the temperature pressure relief v
50. lation of the remainder of the vent and combustion air inlet systems as required on pages 12 thru 20 of the Use and Care manual ULC S636 approved Field oo a Supplied 90 Elbow va PP A I uN Exhaust Air Intake we O Min 18 in 46 cm 7 Above Roof or 6 12 30 5 cm above Sasauel Be Anticipated Snow f Level which Field Supplied ever is highest Strap and Max 24 in 61 cm Above Roof d b Without Additional Support i Combustion Air to Water Heater 3 Vent From Water Heater 3 FIGURE 4 NOTICE The concentric terminal assembly is designed to accept 3 diameter pipe If a 2 diameter pipe is used a 3 to 2 reducer fitting must be installed to the vent and combustion air inlet connections of the concentric terminal assembly Notes 39 IF YOU NEED SERVICE 40 1 Should you have any questions about your new water heater or if it requires adjustment repair or routine maintenance it is suggested that you first contact your installer plumbing contractor or previously agreed upon service agency In the event the firm has moved or is unavailable refer to the telephone directory commercial listings or local utility for qualified service assistance 2 Should your problem not be solved to your complete satisfaction you should then contact the Manufacturer s National Service Department at the following address Rheem
51. lings and should not be confused with combustible or flammable products and materials Combustible and or flammable products and materials should never be stored in the vicinity of this or any gas appliance Location The water heater should not be located in an area where leakage from the tank or connections will result in damage to the area adjacent to the heater or to lower floors of the structure When such areas cannot be avoided it is recommended that a suitable catch pan adequately drained must be installed under the water heater The water heater must be centered in the catch pan Catch pan kits are available from the store where the water heater was purchased or any water heater distributor Make certain the floor underneath the water heater is strong enough to sufficiently support the weight of the water heater once it is filled with water A gas fired water heater or any other appliance should not be installed in a space where liquids which give off flammable vapours are to be used or stored Such liquids include gasoline LP gas butane or propane paint or adhesives and their thinners solvents or removers DO NOT obstruct or block the Flammable Vapour Sensor Because of natural air movement in a room or other enclosed space flammable vapours can be carried some distance from where liquids which give off flammable vapours are to be used or stored The open flame of the water heater s main burner c
52. ll cause condensation Yellow flame Scale on top of the burner Use a water heater size that meets the requirements of your needs Contact a qualified service technician to remove scale t F oe Vent and or combustion air Remove obstruction or debris from vent and or inlet pipes are blocked combustion air inlet pipes Unable to light Air in gas line Contact a qualified service technician to purge the air the main burner from the gas line Blocked vent and or combustion air inlet pipes Contact a qualified service technician to evaluate vent and or combustion air inlet pipes for blockage Pressure Switches Make sure the pressure switch hose is not kinked Wire Connection not fully secured Contact a qualified service technician to confirm wire connections Combustion Shut off Devices tripped Gas Control Problem Main burner does not stay lit Gas Control s Thermostat s gas shut off device has opened Combustion shut off devices should be inspected by a qualified service technician Contact a qualified service technician Contact a qualified service technician ACAUTION Make certain power to water heater is OFF by unplugging blower power cord from power outlet before removing protective cover FOR ANY REASON ACAUTION Label all wires prior to disconnection when servicing controls Wiring errors can cause improper and dangerous operation VERIFY PROPER OPERATION AFTER SER
53. mmable vapours near water heater 1 FV sensor detected presence of flammable vapours VAC A amp A BC Control in lockout 2 Contact a service agency o oo Weak flame current 1 Check that the flame sensor rod is making good contact VAC AA BC with burner flame 2 Contact a service agency Replacement Parts For 38 and 48 gallon models using natural or LP gas Instructions For Placing a Parts Order All parts orders should include ACAUTION For your safety DO 4 The model and serial number of the NOT attempt repair of gas piping water heater from the rating plate gas control thermostat burners vent connectors or other safety devices Refer repairs to qualified service personnel 2 Specify type of gas natural or LP as marked on the rating plate 3 Part description as noted below and number of parts desired 4 Refer to page 40 Use only original equipment replacement parts Burner Assembly Kit Vent Blower Rubber Coupling Heat Trap Nipple The kit provides extra speed clips and tamper resistant screws Condensate S Combustion Air Inlet Pipe Dip tube gasket Anode rod May differ in actual appearance Pipe Support and neare and pressure Clamp relief valve Pa Drain valve Gas Control Thermostat x Burner Air Inlet Assembly Burner supply tube Condensate Flammable Vapour _ 4 a ass Trap and Rubb
54. nce only for its intended purpose as described in this Use and Care Manual Be sure your appliance is properly installed in accordance with local codes and the provided installation instructions READ AND FOLLOW THIS SAFETY INFORMATION SUK CAREFULLY SAVE THESE INSTRUCTIONS IMPORTANT Carefully inspect the water heater for damage before proceeding with the installation If you find damage to the condensate trap PVC pipes gas control thermostat or the blower assembly DO NOT install or attempt any repair to the water heater Contact the manufacturer as detailed under IF YOU NEED SERVICE section of this manual Installing the water heater This water heater must be installed in accordance with these instructions local codes utility company requirements and or in the absence of local codes use the latest edition of CAN CSA B149 1 Natural Gas and Propane Installation Code A copy can be purchased from the Canadian Standards Association 5060 Spectrum Way Mississauga Ontario L4W 5N6 Flammable Vapour Diameter of water Sensor lt heater plus 2 5cm min The auxiliary catch pan installation MUST conform to local codes NOTICE DO NOT allow the catch pan to obstruct the flammable vapour sensor NOTICE DO NOT allow the flammable vapour sensor to become submerged in water Make sure the catch pan is properly drained A WARNING Combustible construction refers to adjacent walls and cei
55. not freeze Support horizontal sections of the vent and combustion air inlet pipe every 4 ft 1 2 m DO NOT rigidly secure the vent system Provisions must be made to allow for expansion and contraction of the vent system DO NOT install the vent and combustion air inlet terminals less than 1 ft 30 5 cm above grade or average snowfall whichever is greater Permanently seal annular openings around the vent and combustion air inlet system penetrations using approved materials to prevent entry of combustion products into the building NOTICE The vent and Horizontal Vent and Combustion Air Inlet Terminal combustion air inlet systems of this water Installation heater may be installed horizontally through a wall or vertically through the roof The vent and combustion air inlet terminals of the water heater must be installed in the same atmospheric pressure zone with a minimum horizontal Determine the locations for the vent and combustion air inlet terminals per information on previous page and section above then make two 2 holes through the exterior wall to accommodate the vent and combustion air inlet pipes e Maintain a minimum horizontal distance of 12 in 30 5 cm between the vent and combustion air inlet terminal center lines Insert lengths of vent and combustion air inlet distance of 12 inches and pipes through the wall as shown a maximum horizontal distance of 30 inches e Allow sufficient length of
56. nstructions is not followed exactly a fire or explosion may result causing property damage personal injury or death A FOR YOUR SAFETY If you cannot reach your gas supplier call Do not store or use gasoline or other the fire department flammable vapours or liquids or other combustible materials in the vicinity of this or any other appliance To do so may result in an explosion or fire Improper installation adjustment alteration service or maintenance can cause property Do not return to your home until authorized by the gas supplier or fire department WHAT TO DO IF YOU SMELL GAS damage personal injury or death Refer to Do not try to light any appliance this manual Installation and service must be performed by a qualified installer service agency or the gas supplier Do not touch any electrical switch do not use any phone in your building Immediately call your gas supplier from a neighbour s phone Follow the gas supplier s instructions CERTIFIED AP 16566 06 12 Printed in USA Safety Information Safety Precautions 3 6 LP Gas Models 5 Installation Instructions Location aiecesciereceree eco 7 Water Supply Connections 9 Condensate Management 10 Gas Supply 11 Vent and Combustion Air Inlet secseccereses 12 20 Wiring Diagram 21 Pipe Insulation 22 23 Heatiraps eee e 23 Installation Checklist 25 Pota
57. nts in the water heater and piping system can cause premature failure of the relief valve and possibly the heater itself Replacing the relief valve will not correct the problem The suggested method of controlling thermal expansion is to install an expansion tank in the cold water line between the water heater and the check valve see illustration on right The expansion tank is designed with an air cushion built in that compresses as the system pressure increases thereby relieving the over pressure condition and eliminating the repeated operation of the relief valve Other methods of controlling thermal expansion are also available Contact your installing contractor water supplier or plumbing inspector for additional information regarding this subject IMPORTANT Do not apply heat to the HOT or COLD water connections If sweat connections are used sweat tubing to adapter before fitting adapter to the cold water connections on heater Any heat applied to the cold water supply fittings will permanently damage the dip tube and heat traps NOTICE The Canadian Standards Association mandates a manual gas shut off valve See CSA B149 1 Installation Code for complete instructions Local codes or plumbing authority requirements may vary from the instructions or diagrams provided and take precedent over these instructions Water Supply Connections Refer to the illustration below for suggested typical installation
58. off valve as close to the inlet of the appliance as practical at the time the appliance installation The sediment trap shall be either a tee fitting with a capped nipple in the bottom outlet or other device recognized as an effective sediment trap Leak Testing The water heater and its gas connections must be leak tested at normal operating pressures before it is placed in operation 4 Turn on the manual gas shut off valve near the water heater 2 Usea soapy water solution to test for leaks at all connections and fittings Do not use excessive force over 31 5 ft Ibs 42 70 Nm in tightening the pipe joint at the gas control thermostat inlet particularly if teflon pipe compound is used as the valve body may be damaged The minimum inlet gas pressure with main burner on to the water heater must be a minimum of 5 w c 1 2 kPa for natural gas and a minimum of 11 2 7 kPa w c for LP gas The maximum inlet pressure to the water heater must not exceed 14 w c 3 5 kPa for natural gas and LP gas For purposes of input adjustment the minimum inlet gas pressure with main burner on is shown on the water heater rating plate If high or low gas pressures are present contact your gas supplier for correction Bubbles indicate a gas leak that must be corrected The factory connections to the gas control thermostat should also be leak tested after the water heater is placed in operation Pressure Testing
59. om the factory The illustration below shows the approximate water temperature for each LED Indicator on the Gas Control Thermostat Temperature Display A DANGER Hotter water increases the 3 potential for Hot Water SCALDS Display Burns on Adult Skin vac AABC Temperature Setting VAC approx 70 F 21 C OGOOGO Ae approx 110 F 43 C O e 0000 More than 5 minutes Both and A approx 115 F 46 C O OOO More than 5 minutes A approx 120 F 49 C Oo0 000 More than 5 minutes Both Aand A approx 125 F 52 C Oo0 e00 1 1 2 to 2 minutes A approx 130 F 54 C O00e00O About 30 seconds Both A and B approx 135 F 57 C CO0O0 ee e0 About 10 seconds B approx 140 F 60 C oo0oo0oo0o60o Less than 5 seconds Both B and C approx 145 F 63 C O00000 Less than 3 seconds C approx 150 F 66 C ooo0oo0oo0o0 About 1 1 2 seconds C Flashing approx 160 F 68 C oo0oo0o0o0 0 About 1 2 seconds ADANGER LIQUEFIED PETROLEUM LP PROPANE OR BUTANE AND NATURAL GAS MODELS LP and Natural gas have an odorant added to aid in detecting a gas leak Some people may not physically be able to smell or recognize this odorant If you are unsure or unfamiliar with the smell of LP or natural gas ask the gas supplier Other conditions such as odorant fade which causes the odorant to diminish in intensity can also hide or
60. pipe to extend between the vent and combustion air inlet terminal center lines 12 in 60 5cm Min l Exhaust Vent Terminal Inlet Terminal Combustion Air beyond the exterior wall of the building for attachment of the vent and combustion air inlet terminals e Maintain a minimum distance from the vent and combustion air inlet terminals of not less than 1 ft 30 5 cm above grade or average snowfall whichever is greater Wind Vane When installing 3 7 6 cm vent terminals install the supplied 1 2 in mesh metal screens inside each terminal fitting Connect the terminals to the vent and combustion air inlet pipes which are extending out of the building e Ensure that the back of the supplied terminals are flush with the outside wall surface Complete the installation of the remainder of the vent system and attach it to the vent connector fitting on the water heater s blower assembly e Horizontal lengths of the vent system must slope upward a minimum of 1 8 in per foot as shown in figure on next page 15 Installing the water heater Horizontal Vent and Combustion Air Inlet Terminal Installation continued Complete the installation of the remainder of the Support vertical and horizontal lengths of the vent combustion air inlet system and attach it to the and combustion air inlet systems as previously combustion air inlet connector fitting on the water mentioned heater s combus
61. protected from freezing if necessary Appropriate minimum clearances observed Precautions taken to prevent moisture damage around vent termination Vapours from vent pipe cement and primer have dissipated prior to applying electrical power Combustion air inlet pipe properly secured to the combustion air inlet rubber coupling Horizontal section of vent sloped upward Heater properly grounded and proper polarity observed Check for leaks in the condensate trap and line connections 25 Supplemental instructions for gas water heaters installed in potable water space heating applications Local codes or plumbing authority requirements may vary from the instructions or diagrams provided in this manual and take precedent over these instructions Hot water supply to house Hot water supply to heating From HOT unit outlet on water heater Tee fitting for vertical hot water supply lines Hot water Fr cme supply to water heater L Hot water suppl to heating ame Tee fitting for horizontal hot water supply lines Combination Potable Water and Space Heating Application Tee fitting must be installed as shown ADANGER If this water heater is This ensures that any air in the water lines installed in an application intended to will be purged through the domestic water supply domestic hot water needs and faucets and showers hot water for space heating p
62. re going into a lock out A warning light will alert the user of this lock out condition If this happens refer to Troubleshooting Guide TO SHUT OFF WATER HEATER Turn switch on the gas control thermostat to the OFF position Water temperatures above 125 F 52 C can cause severe burns or death from scalding Be sure to read and follow the warnings outlined in this manual and on the label located on the water heater near the gas control thermostat Mixing valves are available for reducing point of use water temperature by mixing hot and cold water in branch water lines Contact a licensed plumber or the local plumbing authority for further information See page 4 for more details The chart on the next page may be used as a guide in determining the proper water temperature for your home Water Temperature Setting Maximum water temperatures occur just after the burner has shut off To determine the water tem perature turn on a hot water faucet and place a ther mometer in the water stream To avoid any unintentional changes in water tem perature settings the gas control thermostat has a tamper resistant feature for changing the tempera ture setting To change the temperature setting fol low these instructions 1 Wake Up the temperature indicators by holding down both COOLER and HOTTER temperature adjustment buttons at the same time for one second see Figure below One or two of the
63. return t eat Trap gt 3 4 Shut Off Valve line not supplied with water heater 6 Min Typ NOTE This check valve is incorporated J_ in some heating units Refer to the P 2 Gallon 7 6 ltr installation instructions supplied with Thermal Expansion specific heating unit to determine if it is required Isolation valve in hot water supply line to heating unit not supplied with water heater See diagrams above for proper pipe application for vertical or horizontal supply lines Temperature and Pressure Relief Tank if required not supplied with water heater 3 4 Shut Hot water Off Valve o space heater Typ Hot water coil a fe lt All bronze pump x Check valve internal in pump o Air bleed valve ater Sample Tap Valve tie to location approved by local code Gas line to water heater 5 gt 3 4 HWS amp HWR to Heating Coil Drain valve To HVAC Unit not supplied with retail Si water heater ir Handler OFF z Isolation valve in HEAT Temperature and pressure relief valve discharge line Gas Control Thermostat Water Heater drain pan installed in accordance with the Local and Provincial Code 26 cold water return line from heating unit not Gas Fired supplied with water Water Heater heater Electronically controlled pump timer Activates every 6 hours for 60 seconds Wire to bronze pump f 6
64. ructions The first 3 ft 90 cm of the vent pipe from the appliance vent connector fitting must be readily accessible for visible inspection NOTICE This water heater is approved to use the following materials for combustion air inlet pipe material PVC Schedule 40 Cellular Core ASTM F891 PVC DWV ASTM D2665 PVC Schedule 40 ASTM D1785 PVC SDR Series ASTM D2241 CPVC CPVC 4120 ASTM D2846 CPVC Schedule 40 ASTM F441 CPVC SDR Series ASTM F442 ABS Schedule 40 DWV ASTM D2661 ABS Schedule 40 DWV Cellular Core ASTM F628 NOTICE It is acceptable to interchange PVC and CPVC pipe and fittings The unit may be vented horizontally through a wall or vertically through the roof Vent and combustion air inlet pipe runs must be adequately supported along both vertical and horizontal lengths Maximum unsupported length is recommended to be no more than 4 feet It is imperative that the first hanger be located on the horizontal length immediately adjacent to the first 90 degree elbow from the vertical rise of vent pipe connected to the water heater The support method used should isolate the vent and combustion air inlet pipes from floor joists or other structural members to help prevent the transmission of noise and vibration Do not support pin or otherwise secure the vent and combustion air inlet systems in a way that restricts the normal thermal expansion and contraction of the chosen vent ma
65. s before initiating a trial for ignition During the trial for ignition the hot surface ignitor will warm up Once the hot surface ignitor warms up the main gas control thermostat will open allowing gas to flow to the main burner Once the main burner ignites the control will verify that the burner flame is present through the flame sense circuit The hot surface ignitor will then turn off The main burner will remain lit throughout the heat cycle until the water temperature setting is reached Once the water temperature setting is reached the control will close the main gas control thermostat which will extinguish the main burner flames The blower motor will stay energized for an additional few seconds after the control verifies that the burner flame is extinguished in order to clear combustion gases from the water heater After the post purge sequence the control will de energize the blower motor and go into a stand by mode awaiting the next call for heat This water heater is equipped with a flammable vapour sensor that is monitored continuously by the electronic control in all modes of operation In the event that flammable vapours are detected the control will automatically shut down the water heater and prevent the water heater from being started again The following is a list of materials that will cause the Flammable Vapour Sensor to shut down the water heater Vapours of Gasoline Vapours of
66. s soapy solution gas detectors etc be used to detect leaks in gas applications Do_not attempt to find the cause yourself Do_not try to light any appliance Do_not touch any electrical switch Do_not use any phone in your building Leave the house immediately and make sure your family and pets leave also Leave the doors open for ventilation and contact the gas supplier a qualified service agency or the fire department Stay away from the house or building until the service call has been made the leak is corrected and a qualified agency has determined the area to be safe IMPORTANT SAFETY INFORMATION READ ALL INSTRUCTIONS BEFORE USING s gt Vi I A WARNING For your safety the information in this manual must be followed to minimize the risk of fire or explosion electric shock or to prevent property damage personal injury or loss of life SAFETY PRECAUTIONS Have the installer show you the location of the gas shut off valve and how to shut it off if necessary Turn off the manual shut off valve if the water heater has been subjected to overheating fire flood physical damage or if the gas supply fails to shut off Read this manual entirely before installing DO NOT attempt to repair or replace or operating the water heater any part of your water heater unless it is specifically recommended in this manual All other servicing should be referred to a qualified technician Use this applia
67. stallation needs See Illustration of nipples and heat traps on page 36 Locate the small plastic bag containing the three 3 Dual Lock strips and two 2 sheet metal screws to be used to attach the Top Cap in the Use amp Care Manual bag Peel off one side of the Dual Lock strips and firmly press near the Top Cap mount ing tabs and the inside center front of the rim on the Top Cap see figure on left Peel off the other side of the Dual Lock strips and place the Top Cap on the top front center of the water heater ensuring that it is aligned correctly and properly positioned on top of the water heater Press firmly to ensure proper attachment is made Align holes in mounting tabs on the Top Cap with the holes in the top of the heater then secure the Top Cap to the water heater with the two 2 8 sheet metal screws supplied IMPORTANT Do not over tighten the screws as this may damage the Top Cap 23 Installing the water heater 24 Flammable Vapour Sensor During Installation of this water heater DO DO check inlet gas pressure to ensure that it is within the range specified on the rating plate DO maintain proper clearances to combustibles as specified on the rating plate DO allow enough time for joint cement vapours to dissipate BEFORE applying power to the water heater DO ensure that the venting system complies with the guidelines found in the Use and Care Manual and CAN CSA B149
68. t be replaced Temperature Setting Burns on Adult Skin Display vac _ AABC Water Temperature Time To Produce a Serious Burn VAC approx 70 F e00000 aw 120 F 49 C More than 5 minutes EE 7 SAAE au mi 125 F 52 C 1 2 to 2 minutes eT 2 x z More than 5 minutes nes sae brary ooeene Term A approx 130 F CoO0 e 0 o About 30 seconds 140 F 60 C Less than 5 seconds Both A and B approx 135 F 50 68 wo About 10 seconds 145 F 63 C Less than 3 seconds B approx 140 F ERA E Less than 5 seconds 150 F 66 C About 1 2 seconds Both B and C approx 145 F C000 3e5 e Less than 3 seconds 155 F 68 C About 1 second C approx 150 F C0000 e About 1 1 2 seconds Table courtesy of Shriners Burn Institute C Flashing approx 160 F O0O000e About 1 2 seconds 29 Operating the water heater 30 Sequence of Operation During initial start up or a call for heat the control will verify the pressure switch is open Once the control verifies the blower pressure switch is open the control will energize the blower motor for the pre purge sequence The control will verify the blower pressure switch has closed ensuring that the blower is functioning properly and that the condensate combustion air inlet and venting systems are not blocked The control will then proceed through a sequence of self diagnostic
69. te any other type of appliance Failure to follow this warning could result in fire personal injury or death LOCATION The Concentric Vent amp Combustion Air Inlet Termination Kit can be installed in a horizontal or vertical roof orientation Before installation procedures begin determine the best location for the termination kit IMPORTANT When installing the kit consider the following when choosing a location e Kit is positioned where vent gases will not damage nearby structure e Kit is positioned so that wind will not cause combustion products leaves snow or other debris from entering the combustion air inlet e Kit is positioned where it will not get damaged by foreign objects i e balls stones etc e Kit is positioned where vent gases will not be inhaled or cause a nuisance NOTE Ensure that the heights of the vent and or combustion air inlet openings are above the anticipated snow level by a minimum of 1 ft SECTION 1 HORIZONTAL INSTALLATION STEP 1 Cut a 5 diameter opening in the sidewall and install field supplied weather seal boot flashing for a 4 1 2 PVC pipe STEP 2 From inside insert the 4 1 2 diameter combustion air inlet pipe through the seal boot so that a maximum of 1 2 5 cm clearance occurs between the outside wall and rain cap fins See Figure 2 Ensure that no insulation or debris accumulate in the pipe STEP 3 Secure the combustion air inlet pipe using
70. temperature indicators will light up These indicators will only remain on for 30 seconds if no further buttons are pressed After 30 seconds the control will go back to Sleep mode 2 Release both of the temperature buttons a To decrease the temperature press and release the COOLER button until the desired setting is reached b To set temperature up to 140 F 60 C press and release the HOTTER button until the desired temperature is reached COOLER HOTTER Button Button A DANGER Hotter water increases the potential for Hot Water SCALDS c To set temperature above 140 F 60 C follow these instructions i Press and hold the HOTTER button for a few seconds until all temperature indicator lights come on for one second and then turn off ii Now press and release the HOTTER button until the desired temperature is reached The maximum temperature setting is 160 F 71 C iii To decrease the temperature press and Time Temperature Relationship in Scalds release the COOLER button until the desired temperature is reached NOTICE Holding down the button will not continue to lower or raise the temperature setting The button must be pressed and released for each temperature change desired A condition known as stacking or layering can occur when a series of short and frequent hot water draws are taken The hottest temperature water will
71. ter should be shut off until qualified service assistance can be obtained Flammable Vapour Sensor The sensor does not require any maintenance or cleaning DO NOT get Flammable Vapour Sensor wet DO NOT expose to cleaning agents CAUTION For your safety cleaning of the burner must be performed only by qualified service personnel as it involves the disconnection of gas piping and leak testing The burner chamber is a sealed area Ifthe burner access door is removed the burner access door gasket must be replaced Combustion Air Inlet and Vent System Inspection Inspect the combustion air inlet and vent systems Make certain that all joints are secure and that combustion air inlet and vent system supports are all in place Check the outdoor combustion air inlet and vent system terminals to see that they are free of obstructions and that there is no damage nearby caused by condensate Vacation and Extended Shut Down If the water heater is to remain idle for an extended period of time the power and water to the appliance should be turned off to conserve energy and prevent a build up of dangerous hydrogen gas The water heater and piping should be drained if they might be subjected to freezing temperatures Anode Rod This water heater is equipped with an anode rod designed to prolong the life of the glass lined tank The anode rod is slowly consumed thereby eliminating or minimizing corrosion of the glass l
72. terial and air inlet pipe If the water heater is being installed as a replacement for an existing power vented water heater a thorough inspection of the existing vent and combustion air inlet system must be performed prior to any installation work 4 Verify that the correct materials as detailed above have been used and that the minimum or maximum vent and combustion air inlet length and terminal locations as detailed in this manual have been met 9 Carefully inspect the entire vent and combustion air inlet systems pipes for any signs of cracks or fractures particularly at the joints between elbows or other fittings and the straight length of vent pipe g Check the vent and combustion air inlet systems for signs of sagging or other stresses in the joints as a result of misalignment of any components in the systems g If any of these conditions are found they must be corrected in accordance with the instructions in this manual before completing the installation and putting the water heater into service The Minimum and Maximum equivalent lengths for the vent and combustion air inlet systems are shown in Table 1 Use only the 3 inch ULC S636 concentric kit Rheem part number SP20261 The use of any other kit is not approved Contact your installer or local distributor for assistance Refer to page 37 amp 38 for installation of alternate concentric vent termination Table 1 From 0 ft through 4 500 ft 1371 m V
73. the water heater into operation Within seconds the hot surface ignitor should heat Water Temperature Setting The temperature of the water in the water heater can be regulated by pressing the buttons on the front of the gas control thermostat Safety and energy conservation are factors to be considered when selecting the water temperature setting of the water heater s gas control thermostat s The lower the temperature setting the greater the savings in energy and operating costs To comply with safety regulations the gas control thermostat was set at its lowest setting before the water heater was shipped from the factory The recommended starting point temperature is 120 F 49 C If such flammables must be used open doors and windows for ventilation and all gas burning appliances in the vicinity should be shut off including their pilot burners to avoid vapours lighting NOTICE Flammable vapours can be drawn by air currents from surrounding areas to the water heater fF If there is any difficulty in understanding or following the Operating Instructions or the Care and Cleaning section it is recommended that a qualified person or serviceman perform the work up then the gas control thermostat should open and the main burner ignite After the main burner ignites replace the outer door If no main burner flame is established the gas control thermostat will go through three trials for ignition befo
74. tion air inlet tube assembly 2 ft 60 9 cm x 2 ft 60 9 cm Sheet Metal Shield on Brick or Masonry Walls Optional for air inlet termination Combustion Air Inlet Terminals with 1 2 in Mesh Protective Screens Inside Exhaust Vent Vent Pipe termination Slope horizontal pi upward 1 8 in per Wind Vane on Combustion Air Inlet Termination Poot mi oot min Min 6 in 15 2 cm Combustion Air Inlet Rear of Termination Flush with Outside of Wall Vent Connector Fitting coa Pami Cal t Inside of Outside of L Horizontal Vent and Combustion Air Inlet Terminal Installation 90 Elbow The illustration on the left is a enlarged view of the elbow Wind Vane and screen assembly on the Combustion Air Inlet Termination Wind Vane Screen 16 Alternate Horizontal Vent and Combustion Air Inlet Terminal Installation Exhaust Vent Slope horizontal pipe upward 1 8 in per foot min Min 6 in 15 2 cm Vent Connector Fitting 2 ft 60 9 cm x 2 ft 60 9 cm Sheet Metal Shield on Brick or o Masonry Walls Optional for Slope horizontal pipe upward 1 8 1n per foot min Inside of Building as Combustion Air Inlet Slope horizontal pipe upward 1 8 in per foot min air inlet termination Pe Vane on Combustion Air Inlet Terminal Rear of Termination Flush with Outside
75. trol thermostat 6 Check that the flame sensor rod is making good contact with burner flame o 0o 0 e Problem in the gas valve driver circuit 1 Turn power to the water heater off for 10 seconds and VAC AABC then back on 2 If error code persists replace gas control thermostat Problem with the internal circuit 1 Turn power to the water heater off for 10 seconds and then back on 2 If error code persists replace gas control thermostat Flame signal sensed out of proper sequence 1 Turn power to the water heater off for 10 seconds and then back on 2 If error code persists replace gas control thermostat ECO activated One of the temperature adjust buttons stuck closed 1 Turn power to the water heater off for 10 seconds and then back on 2 If error code persists replace gas control thermostat 1 Press and release each of the buttons once Cycle water heater power off and on 2 If error code persists replace gas control thermostat Water temperature sensor error open or shorted 1 Check that all wiring is correct and secure 2 Turn power off 2 Turn power to the water heater off for 10 seconds and then back on If error code persists replace gas control thermostat 3 o o Oo e Flammable sensor problem 1 Check for correct wiring to FV sensor VAC AABC 2 Check for open circuits to FV sensor 3 Replace FV sensor 0 0CO oO e Fla
76. urposes ADANGER When this system do not connect the heater to an existing requires water for space heating at heating unit or components of a heating elevated temperatures above 125 F system that have previously been used 52 C a mixing or tempering valve with a non drinking water system Toxic must be installed in the hot water chemicals such as those used for boiler supply line to the house in order to treatment may be present and will reduce the scald hazard potential contaminate the drinking water supply as causing possible health risks Never ADANGER Any piping or components introduce toxic chemicals such as those used in the installation of this water used for boiler treatment into this heater in a combination potable and system space heating application must be suitable for use with drinking water NOTICE Suitable for potable water heating and space heating applications DO NOT use for space heating application only Typical Piping Diagram for Combination Potable Space Heating Installation oe on C i Nominal 3 4 size mixing or tempering valve Minium ot 2 ee 3 4 Tempered Pressure Gauge 3 4 Check Valve with 1 8 Hole refer to warning above Follow mixing or g Pipe Air vent domestic hot water tempering valve manufacturer s instructions for id supply to house s T Gigs cold water supply installation of the valve Spring loaded check valve in heating unit CPR ieee hot water supply line and cold water

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