Bradford-White Corp 238-42498-00J REV 10/06 Water Heater User Manual
Contents
1. Approximately 160 F 71 1 C JAN 0 0 UNITROL UNITRO LJ WARNING imatel Approximatel _ Approximately Appro ately BEFORE STICHTING 120 F 48 9 C 120 F 48 9 C Approximately _ 180 F 82 2 C Approximately 85 F 29 4 C 160 F Control 180 F Control Figure 18 The thermostat dial is set to its lowest temperature setting when shipped from the factory Remember that lower temperature settings are more energy efficient Adjust the temperature by turning the thermostat dial It is suggested that the starting point setting not be greater than the mark on the thermostat dial approximately 120 F 48 9 as indicated below Rotate the thermostat dial counter clockwise to decrease the temperature Approximately 85 F 29 4 C setting Rotate the thermostat dial clockwise N to increase the temperature setting Adjust the dial until the minimum acceptable temperature is achieved See figure 18 above for approximate temperature settings 32 Internet Version for Reference Only DANGER Hotter water increases the risk of scald injury Scalding may occur within five 5 seconds at a temperature setting of 140 60 C To protect against hot water injury install an ASSE approved mixing valve in the water system This valve will reduce point of discharge temperature by mixing cold and hot water in branch2. 25 Gas Connections 29 GENERAL OPERATION 30 Lighting and Shutdown Instructions 22 2444 4 31 Thermostat Adjustment 32 Burner Flame 33 MAINTENANCE EEEE EEE 34 PARTS 37 PARTS LIST DRAWINGS Direct Vent Water 38 Vent Air Intake 4 39 INSTALLATIONS FOR POTABLE WATER AND SPACE HEATING visiini aa aeaa aae aeea a a aaa SaNa 40 Internet Version for Reference Only GENERAL INFORMATION This gas fired water heater s design is certified by CSA International under the American National Standard Z21 10 1 as indicated on the rating plate and CSA 4 1 as indicated on the rating plate This water heater must be installed in accordance with local codes or in the absence of local codes the National Gas Code ANSI Z223 1 Latest Edition and or in Canada CAN CGA 149 Installation Codes Latest Editions The warranty for this water heater is in effect
3. i 09 TEMPERATURE 10599 PRESSURE RELIEF VALVE PRESSURE RELIEF VALVE GAS SHUT OFF GAS SHUT OFF RETURN FROM ae HEAT EXCHANGER DRIP 3 RELIEF VALVE DRIP LEG RELIEF VALVE DISCHARGE LINE 8 DISCHARGE LINE 21 GROUND JOINT UNION z z DRAIN DRAIN a JOINT UNION ae DRAIN PAN 7 7 40
4. 5 PLACES Figure 15 23 Internet Version for Reference Only Installation Vent Air Intake System Installation continued 12 Mark the mounting screw hole locations for the backing plate Rotate the backing plate in order to gain access to the markings With a 3 16 4 75 mm inch diameter drill bit not supplied drill holes for the supplied wall anchors Install the wall anchors and secure the backing plate to the wall with four 4 10 x 1 inch screws supplied See Figure 16 Note Certain construction of walls may require the use of a different type of anchoring means than supplied 10 x 1 IN SCREW 4 PLACES WALL ANCHOR 4 PLACES BACKING Figure 16 IMPORTANT When the installation is complete visually inspect the air intake system to insure that all joints are completely sealed 24 Internet Version Reference Only Installation continued WATER CONNECTIONS Note BEFORE PROCEEDING WITH THE INSTALLATION CLOSE THE MAIN WATER SUPPLY VALVE After shutting off the main water supply open a faucet to relieve the water line pressure to prevent any water from leaking out of the pipes while making the water connections to the water heater After the pressure has been relieved close the faucet The COLD water inlet and HOT water outlet are identified on the top of the water heater The fittings at the cold water inlet and hot water outlet are dielectric waterway fittings with 3
5. 4 NPT male thread Make the proper plumbing connections between the water heater and the plumbing system to the house Install a shut off valve in the cold water supply line A CAUTION If sweat fittings are to be used DO NOT apply heat to the nipples on top of the water heater Sweat the tubing to the adapter before fitting the adapter to the water connections It is imperative that heat is not applied to the nipples containing a plastic liner 25 Internet Version for Reference Only Installation Water Connections continued WARNING For protection against excessive temperatures and pressure install temperature and pressure protective equipment required by local codes but not less than a combination temperature and pressure relief valve certified by a nationally recognized testing laboratory that maintains periodic inspection of production of listed equipment or materials as meeting the requirements of the Standard for Relief Valves and Automatic Gas Shutoff Devices for Hot Water Supply Systems ANSI 221 22 and the Standard CAN1 4 4 Temperature Pressure Temperature and Pressure Relief Valves and Vacuum Relief Valves The combination temperature and pressure relief valve shall be marked with a maximum set pressure not to exceed the maximum working pressure of the water heater The hourly BTU discharge capacity or the rated steam relief capacity of the combination temperature and pressure relief valve shall not be less than t
6. 8 sheet metal screws supplied Using the supplied special RTV silicone sealant apply a sufficient amount to seal the joint See Figure 12 SPECIAL SILICONE SEALANT 8 SHEET METAL SCREWS 3 PLACES 6 IN 15 2 cm DIA TELESCOPING TUBE OUTER WALL MOUNTING PLATE Figure 12 21 Internet Version Reference Only Installation Vent Air Intake System Installation continued 9 From outside the building slide the six 6 inch 75 2 cm diameter telescopic tube through the opening in the wall until the outer wall mounting plate is flush with the wall See Figure 13 OUTER WALL MOUNTING PLATE 4 IN 10 2 DIA TELESCOPING TUBE Figure 13 10 Using the supplied special RTV silicone sealant apply a bead one 1 inch 2 5 cm from the end of the four 4 inch 10 2 cm diameter tube that is part of the vent air intake terminal Slide the direct vent air intake terminal into the four 4 inch 70 2 cm diameter telescopic tube that extends through the wall and position it so it is flush with the outer wall mounting plate Make sure that the rain guard and the word HOT on the end of the direct vent air intake terminal are oriented properly Secure the direct vent air intake terminal to the outer wall mounting plate and wall with four 4 10 x 1 inch screws supplied See Figure 14 Note Certain construction of walls may requ
7. COULD REACH THE WATER HEATER OR VENT AIR INTAKE SYSTEM DO NOT install the water heater in any location where gasoline or flammable vapors are likely to be present Water Heaters in residential garages shall be installed so that all burner s and burner ignition device s are located not less than 18 inches 46 cm above the floor and shall be located or protected to avoid physical damage For other installations refer to local codes In the absence of local codes the water heater shall be installed in compliance with the National Fuel Gas Code ANSI 2223 1 Latest Edition and or in Canada CAN CGA B149 Installation Codes Latest Editions The location of this water heater is of the utmost importance Before installing this water heater read the installation section of these instructions After reading these installation and operating instructions select a location for the water heater where the floor is level and is easily accessible to gas and water supply lines DO NOT locate the water heater where water lines could be subjected to freezing temperatures Make sure the cold water pipes are not located directly above the gas control so that condensate during humid weather does not drip on the controls This water heater MUST be installed indoors out of the wind and weather Internet Version for Reference Only Installation Locating The Water Heater continued Note For California installation this water heater must be br
8. blue Tighten the air shutter nut if provided Too much air will cause the flame to lift off the burner ports and create noisy operation Too little air will result in soot formation The main burner flame should light smoothly from the pilot Steel Burner These models are equipped with self adjusting air mixture and do not have an adjustable air shutter See Figure 19 At periodic intervals a visual check of the main burner and pilot flames should be made to determine if they are burning properly The main burner flame should light smoothly from the pilot LAIN 65 PORT CAST IRON BURNER FLAME PATTERN 28 PORT STEEL BURNER FLAME PATTERN PILOT IN OPERATION Figure 19 33 Internet Version for Reference Only MAINTENANCE A WARNING Water heaters are heat producing appliances To avoid damage or injury do not store materials against the water heater or vent air intake system Use proper care to avoid unnecessary contact especially by children with the water heater and vent air intake system UNDER NO CIRCUMSTANCES SHALL FLAMMABLE MATERIALS SUCH AS GASOLINE OR PAINT THINNER BE USED OR STORED IN THE VICINITY OF THIS WATER HEATER VENT AIR INTAKE SYSTEM OR IN ANY LOCATION FROM WHICH FUMES COULD REACH THE WATER HEATER OR VENT AIR INTAKE SYSTEM IMPORTANT The water heater should be inspected at a minimum annually by a qualified service technician for damaged components and or joints not
9. cm diameter elbow one 1 inch 2 5 cm or until seated Drill three 3 1 8 inch 3 2 mm diameter holes 120 apart through the four 4 inch 10 2 cm diameter elbow into the four 4 inch 10 2 cm diameter telescopic tube Fasten with three 3 8 sheet metal screws supplied Adjust the overall length of the four 4 inch 70 2 cm diameter telescopic tube so that 2 1 2 inches 6 4 cm extends beyond the outside wall Drill three 3 1 8 inch 3 2 mm diameter holes 120 apart through the four 4 inch 10 2 diameter telescopic tubes where the small and large sections overlap Fasten with three 3 8 sheet metal screws supplied Using the supplied special RTV silicone sealant apply a sufficient amount to seal the joints See Figure 11 20 Internet Version Reference Only Installation Vent Air Intake System Installation continued 4 IN 10 2 CM DIA TELESCOPING SPECIAL SILICONE SEALANT 2 PLACES 8 SHEET METAL 6 IN 15 2 cm DIA ELBOW BACKING PLATE 6 4 7 Figure 11 8 Extend the six 6 inch 15 2 diameter telescopic tube to its maximum length Place the large end of the six 6 inch 15 2 cm diameter telescopic tube over the collar on the outer wall mounting plate Drill three 3 1 8 inch 3 2 mm diameter holes 120 apart through the six 6 inch 15 2 cm diameter telescopic tube into the collar on the outer wall mounting plate Fasten with three 3
10. filled Close the faucets and check for water leaks at the water heater drain valve combination temperature and pressure relief valve and the hot and cold water connections TO DRAIN THE WATER HEATER Should it become necessary to completely drain the water heater make sure you follow the steps below 1 2 3 4 5 6 Set the thermostat dial to the lowest possible position Rotate and if applicable partially depress gas control knob clockwise to the OFF position Shut off the gas supply to the water heater Close the cold water supply shut off valve Open the drain valve on the water heater by turning the knob counter clockwise The drain valve has threads on the end that will allow the connection of a standard hose coupling Open a hot water faucet to allow air to enter the system To refill the water heater refer to To Fill the Water Heater 30 Internet Version Reference Only Lighting and Shutdown Instructions FOR YOUR SAFETY READ BEFORE LIGHTING WARNING If you do not follow these instructions exactly a fire or explosion may result causing property damage personal injury or loss of life A This appliance has a pilot which is lit by a piezo electric spark gas ignition system Do not open the inner door and attempt to light the pilot by hand B BEFORE LIGHTING smell all around the appliance area for gas De sure to smell next to the floor because some gas is
11. heavier than air and will settle on the floor WHAT DO IF YOU SMELL GAS Do not try to light any appliance Do not touch any electric switch do not use any telephone in your building Immediately call your gas supplier from a neighbor s phone Follow the gas supplier s instructions f you cannot reach your gas supplier call the fire department Use only your hand to push in or turn the gas control knob Never use tools If the knob will not push in or turn by hand don t try to repair it call a qualified service technician Force or attempted repair may result in a fire or explosion Do not use this appliance if any part has been under water Immediately call a a qualified service technician to inspect the appliance and to replace any part of the control system and any gas control which has been under water LIGHTING INSTRUCTIONS 1 STOP Read the safety information 8 Turn the gas control knob counterclockwise above on this label PILOT position 2 Set thermostat to lowest possible setting FOR EXHIBIT A GAS CONTROLS 3 Rotate and if applicable partially depress gas a Depress hold down red pilot set button control knob clockwise to OFF position A Immediately depress piezo igniter button until you GAS CONTROL GAS CONTROL hear a click sound then release Continue to KNOB SHOWN IN KNOB SHOWN OFF POSITION ST OFF POSITIO
12. kW K Clearance to a mechanical air supply 6 feet 3 feet 91 cm above if within 10 inlet 1 83 m feet horizontally L Clearance above paved sidewalk or 7 feet b paved driveway located on public 2 13 property M Clearance under a veranda porch 12 inches 30 b deck or balcony accordance with the current CAN CGA B149 Installation Codes 2 In accordance with the current ANSI Z223 1 Latest edition NFPA 54 National Fuel Gas Code 1 Avent shall not terminate directly above a sidewalk or paved driveway that is located between two single family dwellings and serves both dwellings Permitted only if a veranda porch deck or balcony is fully open on a minimum of two sides beneath the floor minimum clearance value determined by testing in accordance with section 2 20 b Clearance in accordance with local installation codes and the requirements of the gas supplier The vent system must terminate so that proper clearances are maintained as cited in local codes or the latest edition of the National Fuel Gas Code ANSI 2223 1 73 4 7 8a b as follows 1 Do not terminate near soffit vents or crawl space or other area where condensate or vapor could create a nuisance or hazard or cause property damage Do not terminate the exhaust vent terminal where condensate or vapor could cause damage or could be detrimental to the operation of regulators relief valves or other equipment Do not
13. only when the water heater is installed adjusted and operated in accordance with these Installation and Operating Instructions The manufacturer will not be held liable for any damage resulting from alteration and or failure to comply with these instructions This water heater is not design certified for installation in a mobile home Such an installation may create a hazardous condition and will nullify the warranty This water heater has been designed and certified for the purpose of heating potable water The installation and use of this water heater for any purpose other than the heating of potable water may cause damage to the water heater and create a hazardous condition and nullify the warranty CAUTION Incorrect operation of this appliance may create a hazard to life and property and will nullify the warranty Do not use this appliance if any part has been submerged in water You should contact a qualified service technician to inspect the appliance and to replace any part of the control system including the combination gas control which has been submerged in water DANGER Do not store or use gasoline or other flammable combustible or corrosive vapors and liquids in the vicinity of this or any other appliance IMPORTANT Before proceeding please inspect the water heater and its components for possible damage DO NOT install any damaged components If damage is evident then please contact the supplier where the wat
14. psi 3 5 kPa The water heater must be isolated from the gas supply piping system by closing its manual shutoff valve during any pressure testing of the gas supply system at test pressures equal to or less than 1 2 psi 3 5 kPa The supply line must be capped when not connected to the water heater 3 While checking for leaks care must be taken to prevent solution from contacting the electrical connections at the control If electrical connections at the control become wet they must be thoroughly dried before attempting to operate the water heater 29 Internet Version for Reference Only GENERAL OPERATION A WARNING Water heaters are heat producing appliances To avoid damage or injury do not store materials against the water heater or vent air intake system Use proper care to avoid unnecessary contact especially by children with the water heater and vent air intake system UNDER NO CIRCUMSTANCES SHALL FLAMMABLE MATERIALS SUCH AS GASOLINE OR PAINT THINNER BE USED OR STORED IN THE VICINITY OF THIS WATER HEATER VENT AIR INTAKE SYSTEM OR IN ANY LOCATION FROM WHICH FUMES COULD REACH THE WATER HEATER OR VENT AIR INTAKE SYSTEM TO FILL THE WATER HEATER 1 2 3 4 Close the water heater drain valve by turning the knob clockwise Open the cold water supply shut off valve Open several hot water faucets to allow air to escape from the system When a steady stream of water flows from the faucets the water heater is
15. to the standard vent and air intake tubes If the standard vent and air intake tubes are not used in the venting system those that do not have bold text they can be discarded or saved 15 Internet Version Reference Only Installation Horizontal and Vertical Vent Air Intake Lengths continued HOLE IN WALL Figure 7 Internet Version for Reference Only Installation continued VENT AIR INTAKE SYSTEM INSTALLATION A WARNING The vent air intake system must be properly installed Failure to properly install the vent air intake system could result in property damage personal injury or death Do not install any damaged vent air intake system components Contact the manufacturer of the water heater for replacement parts IMPORTANT When the following instructions specify to seal a vent air intake joint use only Loctite Ultra Blue 587 RTV Silicone sealant A tube of Loctite Ultra Blue 587 RTV Silicone sealant is supplied with each optional vent air intake kit Make sure that all joints are completely sealed When drilling pilot holes for the 8 sheet metal screws through the six 6 inch 15 2 cm diameter components be careful not to drill into the inner four 4 inch 10 2 cm diameter components AWARNING The vent air intake terminal must be installed through at outside wall in a horizo
16. 672 919 4 808 356 4 829 983 4 861 968 4 904 428 5 000 893 5 023 031 5 052 346 5 081 696 5 092 519 5 115 767 5 199 385 5 277 171 5 372 185 5 485 879 5 574 822 5 596 952 5 660 165 5 682 666 5 761 379 5 943 984 5 954 492 5 988 117 6 142 216 6 684 821 Other U S and Foreign patent applications pending Current Canadian Patents 1 272 914 1 280 043 1 289 832 2 045 862 2 092 105 2 107 012 2 108 186 2 112 515 Complete the following information and retain for future reference Model No Serial Installation Date Service Phone No Days Nights Address Supplier Supplier s Phone 36 Internet Version for Reference Only PARTS LIST PART NAME amp DESCRIPTION 1 Direct Vent Air Intake 21 Piezo Igniter Assembly Terminal Outer Wall Mounting Plate Backing Plate Six 6 inch 15 2 Diameter 24 Telescopic Air Intake Tube Four 4 inch 10 2 Diameter 25 Inner Door Assembly Telescopic Vent Tube Six 6 inch 15 2 Diameter 26 Elbow Four 4 inch 10 2 Diameter 27 Elbow Plenum Plenum Gasket 22 Drain Valve Outer Door Jacket Air Intake Boot Air Intake Boot Gasket Pilot Assembly w Electrode Gas Feed Line Burner Flue Reducer Main Burner Orifice Jacket Top 42 Port Steel Burner Insulation 31B 65 Port Cast Iron Burner Certain Models Glass Lined Tank Radiation Shield Flue Baffle Assembly 33A Direct Vent Air Intake Kit F Optional N
17. 8 sheet metal screws supplied Using the supplied special RTV silicone sealant apply a sufficient amount to seal the joint See Figure 9 FLARED END 4 IN 10 2 DIA ELBOW 8 SHEET METAL SCREWS 3 FLUE REDUCER oS SPECIAL SILICONE SEALANT Figure 9 6 Place the straight end of the six 6 inch 15 2 cm diameter elbow over the four 4 inch 10 2 cm diameter elbow and plenum collar until seated on top of the plenum box Make certain that the six 6 inch 75 2 cm diameter elbow is oriented in the same direction as the four 4 inch 10 2 cm diameter elbow and both are oriented in the correct direction Drill three 3 1 8 inch 3 2 mm diameter holes 120 apart through the six 6 inch 15 2 cm diameter elbow into the plenum collar Fasten with three 3 8 sheet metal screws supplied See Figure 10 19 Internet Version Reference Only Installation Vent Air Intake System Installation continued FLARED END 6 IN 15 2 cm DIA ELBOW 8 SHEET METAL SCREWS 3 PLACES PLENUM BOX Figure 10 7 Extend the four 4 inch 10 2 cm diameter telescopic tube to its maximum length and slide the backing plate over it Place the large end of the four 4 inch 10 2 cm diameter telescopic tube through the hole in the outside wall Insert the smaller end of the four 4 inch diameter 10 2 cm telescopic tube into the flared end of the four 4 inch 10 2
18. ILICONE SEALANT BAG OF MOUNTING HARDWARE VY DIRECT INTAKE KIT I PART NO 2434251200 OPTIONAL Internet Version Reference Only THE FOLLOWING INSTRUCTIONS ARE FOR INSTALLATION OF GAS WATER HEATERS SUITABLE FOR WATER POTABLE HEATING AND SPACE HEATING 1 All piping components connected to this water heater for space heating applications must be suitable for use with potable water In Massachusetts space heating piping length must not exceed 50 feet 2 Toxic chemicals such as those used for boiler treatment must not be introduced into potable water used for space heating 3 This water heater must not be connected to an existing heating system or component s previously used with a non potable water heating appliance 4 When the system requires water for space heating at temperatures higher than required for other means such as an ASSE approved mixing valve shall be installed to temper the water for those uses in order to reduce the scald hazard potential Please refer to the illustration for suggested piping arrangements VACUUM BREAKER MIXING VALVE VACUUM BREAKER SHUT OFF VALVE MIXING VALVE COLD WATER INLET SHUT OFF VALVE COLD WATER INLET TEMPERED POTABLE WATER H H TEMPERED POTABLE WATER RETURN FROM HEAT EXCHANGER SUPPLY TO a HEAT EXCHANGER 77 1 SUPPLY
19. Internet Version for Reference Only DIRECT VENT GAS WATER HEATER A Spanish language version of these instructions is available by contacting the company listed on the rating plate La versi n de estas instrucciones se puede obtener al escribirle a la fabrica cuyo nombre aparece en la placa de especificaciones HIGH INPUT DIRECT VENT INSTALLATION amp OPERATING INSTRUCTION MANUAL WARNING If the information in these instructions is not followed exactly a fire or explosion may result causing property damage personal injury or death FOR YOUR SAFETY Do not store or use gasoline or other flammable combustible or corrosive vapors and liquids in the vicinity of this or any other appliance WHAT TO DO IF YOU SMELL GAS Do not try to light any appliance Do not touch any electrical switch do not use any phone in your building Immediately call your gas supplier from a neighbor s phone Follow the gas supplier s instructions If you cannot reach your gas supplier call the fire department _ Installation and service must be performed by a qualified installer service agency or the gas supplier For safety convenience and best performance we recommend this water heater be installed and serviced by a plumbing professional 238 42498 00J REV 10 06 Internet Version for Reference Only CONGRATULATIONS You have just purchased one of the finest water heaters on the market today This installation opera
20. N hold down the pilot set button for about one 1 minute after the pilot is lit Release the pilot set button and it should pop back up Pilot should remain lit If it goes out repeat steps 3 through 9 9b FOR EXHIBIT B GAS CONTROLS EXHIBIT A EXHIBIT B Depress and hold down gas control knob NOTE On exhibit B knob cannot be Immediately depress piezo igniter button until you turned from PILOT to OFF unless knob is hear a click sound then release Continue to hold down the knob for about one 1 minute after the pilot is lit Release the knob and it should pop back up Pilot should remain lit If it depressed slightly Do not force 4 Wait five 5 minutes to clear out any gas Then smell for gas including near the floor If you smell gas STOP Follow in the goes out repeat steps 3 through 9 safety information above on this label FOR EXHIBIT A amp B GAS CONTROLS If you don t smell gas go to the next step If button or knob does not pop up when 5 Remove outer INNER DOOR released stop and immediately call your door SIGHT GLASS service technician or gas supplier 6 Locate piezo If the pilot will not stay lit after several tries igniter 5 turn the gas control knob to OFF and call button your technician or gas supplier 7 Look into sight glass window 10 Replace outer door on innerdoor ELECTRODE Teno 11 Turn gas control knob to view pilot PILOT counterclockwise to ON pos
21. aced anchored or strapped to avoid falling or moving during an earthquake See instructions for correct installation procedures Instructions may be obtained from California Office of the State Architect 400 P Street Sacramento CA 95814 Water heater corrosion and component failure can be caused by the heating and breakdown of airborne chemical vapors Examples of some typical compounds that are potentially corrosive are spray can propellants cleaning solvents refrigerator and air conditioning refrigerants swimming pool chemicals calcium and sodium chloride waxes and process chemicals These materials are corrosive at very low concentration levels with little or no odor to reveal their presence NOTE DAMAGE TO THE WATER HEATER CAUSED BY EXPOSURE TO CORROSIVE VAPORS IS NOT COVERED BY THE WARRANTY DO NOT OPERATE THE WATER HEATER IF EXPOSURE HAS OR WILL OCCUR DO NOT STORE ANY POTENTIALLY CORROSIVE COMPOUNDS IN THE VICINITY OF THE WATER HEATER A WARNING Liquefied petroleum gases propane gas are heavier than air and will remain at floor level if there is a leak Basements crawl spaces closets and areas below ground level will serve as pockets for accumulation of leaking gas Before lighting smell all around the appliance area for gas Be sure to smell next to the floor IF YOU SMELL GAS Do not try to light any appliance Do not touch any electric switch do not use any telephone in your building Immediately call your gas s
22. al and Vertical Vent Air Intake Lengths continued The following components are found in the standard vent and air intake kit P N 239 42979 00 kit H This kit as well as all optional vent and air intake kits must be ordered separately from the manufacturer shown on the rating plate 4 Vent Tube Vent Terminal Hardware 6 Air Intake Tube RTV Silicone Sealant Vent Terminal 4 Vent Elbow Inner Wall Term Mounting Flange 6 Air Intake Elbow Outer Wall Term Mounting Flange e The vent and air intake telescopes from 13 3 4 to 23 11 16 2 Order two of the kits referenced 3 Order three of the kits referenced Table A Horizontal X 16 1 4 18 25 1 4 37 3 4 61 5 16 173 16 2011 16 353 16 57 7 8 107 5 16 11 9 16 order order no add l order order kit F kit G kit req d kit H kit 16 5 16 order order order order order 17 1 4 kit F 2 kitG amp F kit F kitH amp F kitF amp l gt 18 1 16 order order order order order 203 4 kitF amp G kit G 2 kit G kitG amp H amp 1 25 5 16 gt 35 1 4 kit F kit G kit H kit H 2 kit 38 1 16 order order order order order 57 15 16 kitH amp F kitH amp G kit H 2 kitH 3 kitH amp l 61 3 8 order order order order order 107 3 8 kit amp F kit amp G kit kit amp H kit 2 The bold text above show what kit s are needed in addition
23. and the combination temperature and pressure relief valve will not result in damage to the area adjacent to the water heater or to lower floors of the structure When such locations cannot be avoided a suitable drain pan adequately drained must be installed under the water heater The pan must not restrict access to the burner opening The drain pan must have a minimum length and width of at least 4 in 10 2 cm greater than the diameter of the water heater and must not restrict proper combustion air flow to the water heater The drain pan as described above can be purchased from your plumbing professional The drain pan must be piped to an adequate drain The piping must be at least 3 4 inch 1 9 cm in diameter and pitched for proper drainage It is recommended that a minimum clearance of four 4 inches 10 2 cm be provided on the side of the water heater for servicing and maintenance of the combination temperature and pressure relief valve Internet Version for Reference Only Installation continued MINIMUM CLEARANCES A WARNING Failure to adhere to these installation and operating instructions may create a hazard to life and property and will nullify the warranty This installation shall allow access to the front of the water heater and adequate clearance shall be provided for servicing and operating this water heater The water heater may be installed on either a combustible or non combustible floor If the water heater
24. ation Minimum Clearances continued Internet Version for Reference Only Figure 3 RY ORY RRR RY QR 54 oe 2555 525 25 2092 5229 gt 2252 LSZ 2252 Soe 2252 2252 4 1 2m Figure 4 CORY st i W W ii AN W 2 4 ___ Hh 91m 11 Internet Version Reference Only Installation continued VENTING This is a Direct Vent Gas Water Heater where all air for combustion is obtained from the outside atmosphere and all flue gases are discharged to the outside atmosphere A WARNING The vent air intake system must be properly installed Failure to properly install the vent air intake system properly could result in property damage personal injury or death DO NOT install any damaged vent air intake system components Contact the manufacturer of the water heater for replacement parts Note Provide protection of the building materials from degradation by flue gases from the direct vent air intake terminal VENT TERMINAL X AIR SUPPLY INLET AREA WHERE TERMINAL IS NOT PERMITTED Figure 5 Direct Vent Terminal Clearances Ca
25. be installed as close to the water heater as possible in the gas supply line feeding the water heater to permit servicing of the water heater Compounds used on the threaded joints of the gas piping must be resistant to the action of liquefied petroleum gases propane gas DO NOT apply pipe dope to the gas valve inlet and make certain that no pipe dope has become lodged in the inlet screen of the gas valve Extreme care must be taken to ensure no pipe dope enters the gas valve Avoid excessive torque when tightening the gas supply line to the gas valve Excessive torque may result in cracking of the gas valve housing and could create a gas leak When tightening gas supply line to L P control it is recommended to hold the inlet body of the control securely with an adequate wrench The suggested maximum torque is 31 5 ft Ibs 4 4 kg m AWARNING The manufacturer of this water heater will not be liable for any damage or injury caused as a result of a cracked gas inlet as a result of excessive torque 2 This water heater and its gas connection must be leak tested before placing the water heater in operation Check for gas leaks with a soap and water solution and a brush or a commercial leak detector fluid NEVER USE A MATCH OR OPEN FLAME FOR TESTING A amp CAUTION The water heater and individual shutoff valve must be disconnected from the gas supply piping system during any pressure testing of the system at test pressures in excess of 1 2
26. be due to thermal expansion in a closed water supply system Contact the water supplier or local plumbing inspector on how to correct this situation Do not plug the combination temperature and pressure relief valve outlet 10 A combination sacrificial anode rod hot water outlet nipple has been installed to extend tank life The anode rod should be inspected periodically every two years and replaced when necessary to prolong tank life Contact the plumbing professional who installed the water heater or the manufacturer listed on the rating plate for anode replacement information The use of a water softener may increase the speed of anode consumption More frequent inspection of the anode is needed when using softened or phosphate treated water 35 Internet Version for Reference Only Maintenance continued CAUTION FOR YOUR SAFETY DO NOT ATTEMPT REPAIR OF COMBINATION GAS CONTROL BURNERS OR GAS PIPING REFER REPAIRS TO A QUALIFIED SERVICE TECHNICIAN Contact your supplier or plumbing professional for replacement parts or contact the company at the address given on the rating plate of the water heater Provide the part name model and serial numbers of the water heater when ordering parts READ THE WARRANTY FOR A FULL EXPLANATION OF THE LENGTH OF TIME THAT PARTS AND THE WATER HEATER ARE WARRANTED Manufactured under one or more of the following U S Patents RE 34 534 B1 5 341 770 4 416 222 4 628 184 4 669 448 4
27. 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 28 Internet Version Reference Only Gas Connections The gas supply lines must meet all requirements of the National Fuel Gas Code ANSI Z223 1 Latest Edition or in Canada B149 1 Natural Gas Installation Code Latest Edition or CAN CGA B149 2 Propane Installation Code Latest Edition The minimum permissible gas supply pressure for the purpose of input adjustment is one 1 0 inch 0 25 kPa water column above the operating manifold pressure See the rating plate and gas valve for the manifold pressure and gas type The maximum permissible gas supply pressure is fourteen 14 0 inches 3 5 kPa water column for natural gas and liquefied petroleum gases propane gas 1 Connect this water heater only to the type of gas Natural or Propane gas as shown on the rating plate Use clean black iron pipe or equivalent material approved by local codes and ordinances Dirt and scale from the pipe can enter the gas valve and cause it to malfunction The inlet gas line must have a minimum length of three 3 inches 7 6 cm drip leg sediment trap installed as close to the water heater s gas valve as possible A ground joint union must
28. ched accidentally or accessed by children See Figure 3 A chain link or louvered fence may be used instead of the vent air intake terminal guard Maintain proper clearances as specified in this instruction manual to the vent air intake terminal See Figure 4 Internet Version Reference Only Installation Minimum Clearances continued 12 IN MIN 12 IN MIN 30 48 30 48 cm 12 IN 0 IN MIN a T 30 48 cm 0 cm 4 IN MIN 0 IN 12 IN 10 16 0 lt 7 IA L O IN MIN p GRADE LINE 0 4 IN 12 IN MIN 10 16 cm 50 48 ABOVE GRADE O IN MIN 0 0 4 IN MIN 10 16 Figure 1A Internet Version Reference Only Installation Minimum Clearances continued 1 75 15 an 72 4 CM 88 9 CM 28 5 35 87 D 32 6 5 8 26 33 65 413 16 66 83 8 30 6 5 8 24 31 S 50 076 2 16 8 61 78 7 CAPACITY 1 GALLONS A B 0 Figure 1B CAPACITY Y 50 GAL 22 9 65 GAL 30 5 CM 75 30 5 Figure 2 10 Install
29. er heater was purchased or the manufacturer listed on the rating plate for replacement parts Make sure that you check the rating plate and combination gas control on the water heater to be certain that the type of gas being supplied corresponds with the marking on the rating plate and combination gas control Internet Version for Reference Only General Information continued A sacrificial anode is used to extend tank life The removal of this anode for any reason will nullify the warranty In areas where water is unusually active an odor may occur at the hot water faucet due to a reaction between the sacrificial anode and the impurities in the water If this should happen an alternative anode may be purchased from the supplier that installed this water heater This will minimize the odor while protecting the tank Additionally the water heater should be flushed with appropriate dissolvers to eliminate any bacteria INSTALLATION LOCATING THE WATER HEATER WARNING Water heaters are heat producing appliances To avoid damage or injury do not store materials against the water heater or vent air intake system Use proper care to avoid unnecessary contact especially by children with the water heater and vent air intake components UNDER NO CIRCUMSTANCES SHALL FLAMMABLE MATERIALS SUCH AS GASOLINE OR PAINT THINNER BE USED OR STORED IN THE VICINITY OF THIS WATER HEATER VENT AIR INTAKE SYSTEM ANY LOCATION FROM WHICH FUMES
30. he input rating of the water heater Install the combination temperature and pressure relief valve into the opening provided and marked for this purpose on the water heater Note Some models may already be equipped or supplied with a combination temperature and pressure relief valve Verify that the combination temperature and pressure relief valve complies with local codes If the combination temperature and pressure relief valve does not comply with local codes replace it with one that does Follow the installation instructions above on this page Install a discharge line which terminates six 6 inches 15 2 cm above the floor or any distance below the structural floor to the outlet of the combination temperature and pressure relief valve DO NOT allow water from the discharge line to contact any live electrical part The discharge line is to be installed to allow for complete drainage of both the combination temperature and pressure relief valve and the discharge line The water from the discharge line must be directed to a suitable drain or area that will not be damaged by water Refer to page 5 LOCATING THE WATER HEATER The discharge opening must not be subjected to blockage or freezing DO NOT thread plug or cap the discharge line It is recommended that a minimum clearance of four 4 inches 10 2 cm be provided on the side of the water heater for servicing and maintenance of the combination temperature and pressure relief
31. ire the use of different type of anchoring means than supplied DO NOT modify the direct vent air intake terminal or outer wall mounting plate 22 Internet Version Reference Only Installation Vent Air Intake System Installation continued 10 x 1 IN OUTER WALL RAIN GUARD MOUNTING PLATE SPECIAL SILICONE SEA 20 a LAPD 2 ROO DIRECT AIR TERMINAL PART NO 42274 Figure 14 11 From inside the building slide the backing plate over the six 6 inch 15 2 cm diameter telescopic tube until it is flush with the wall Adjust the length of the six 6 inch 75 2 cm diameter telescopic tube and insert the end into the flared end of the six 6 inch 15 2 cm diameter elbow one 1 inch 2 5 cm or until seated Drill three 3 1 8 inch 3 2 mm diameter holes 120 apart through the six 6 inch 75 2 diameter elbow into the six 6 inch 15 2 cm diameter telescopic tube and through the tubes where the small and large sections overlap Fasten with three 3 8 sheet metal screws supplied Using the supplied special RTV silicone sealant apply a sufficient amount to seal all joints See Figure 15 FLARED END 8 SHEET METAL SCREW 6 PLACES 6 IN 15 2 DIA ELBOW BACKING PLATE 6 IN 15 2 cm DIA TELESCOPING TUBE SPECIAL RTV SILICONE SEALANT
32. is to be installed directly on carpeting it shall be installed on top of a metal or wood panel extending beyond the full width and depth of the appliance by at least three 3 inches 7 6 cm in any direction or if the appliance is to be installed in an alcove or closet the entire floor shall be covered by the panel The minimum clearances to combustibles for this water heater is zero 0 inch 0 cm from the sides and rear four 4 inches 10 2 cm from the front of the jacket zero 0 inch 0 cm from the plenum zero 0 inch 0 cm from the air intake elbow and telescopic tubes and twelve 12 inches 30 5 cm from the direct vent air intake terminal See Figure 1 Refer to figure 1B for front to back dimensions of the water heater for installations in a closet When two direct vent water heaters are installed in a closet and the installation situation requires the vent terminals to be vertically aligned then the clearances between the vent terminals must be a minimum of 9 for the 50 gallon model and 12 for the 65 and 75 gallon models Refer to figure 2 OPTIONAL DIRECT VENT AIR INTAKE TERMINAL GUARD A WARNING The direct vent air intake terminal is HOT while the water heater is in operation Do not touch Keep children combustibles gasoline and other liquids having flammable vapors away It is recommended that a vent air intake terminal guard be installed when the vent air intake terminal is located where it can be tou
33. ith the direct vent air intake terminal See Figure 8 From outside the building position the outer wall mount plate and direct vent air intake terminal over the center of the opening Mark the mounting screw hole locations With a 3 16 inch 4 7 mm diameter drill bit not supplied drill holes for the wall anchors supplied Install the wall anchors but DO NOT affix the outer wall mount plate and direct vent air intake terminal to the wall at this time See Figure 8 Note Certain construction of walls may require the use of a different type of wall anchoring means than supplied DO NOT modify the direct vent air intake terminal or outer wall mount plate 6 1 2 IN OUTER WALL 16 5 cm lt lt MOUNTING PLATE DIA HOLE y NE WALL ANCHOR 4 PLACES DIRECT INTAKE TERMINAL Figure 8 18 Internet Version Reference Only Installation Vent Air Intake System Installation continued IMPORTANT The following instructions detail the installation of the standard horizontal vent air intake kit supplied with the water heater 5 Insert the straight end of the four 4 inch 70 2 cm diameter elbow into the flue reducer until firmly seated and oriented in the correct direction With a 1 8 inch 3 2 mm diameter drill bit not supplied drill three 3 holes 120 apart through the flue reducer into the four 4 inch 10 2 cm diameter elbow Fasten with three 3
34. ition BURNER 12 Set thermostat to desired setting TO TURN OFF GAS TO APPLIANCE 1 Set the thermostat dial to lowest possible setting 2 Rotate and if applicable partially depress gas control knob clockwise to OFF position 31 Internet Version Reference Only THERMOSTAT ADJUSTMENT Approximately 180 F 82 2 C Approximately 120 F 48 9 C Approximately 80 F 26 6 C CAUTION RISK OF SCALDING Approximately 1207 48 90 Approximately 160 F 71 1 C 160 F Control 180 F Control Figure 17 The thermostat dial is set to its lowest temperature setting when shipped from the factory Remember that lower temperature settings are more energy efficient Adjust the temperature by turning the thermostat dial It is suggested that the starting point setting not be greater than the A mark on the thermostat dial approximately 120 F 48 9 C as indicated below Rotate the thermostat dial clockwise to decrease the temperature setting Rotate the thermostat dial counter clockwise to increase the temperature setting Adjust the dial until the minimum acceptable temperature is achieved See figure 17 above for approximate temperature settings
35. nadian US Installations Installations A Clearance above grade veranda 12 inches 30 12 inches porch deck or balcony cm 30 cm B Clearance to widow or door that may 12 inches 30 9 inches 23 cm for appliances be opened cm gt 10 000 Btuh 3 kW and lt 50 000 Btuh 15 kW 12 inches 30 cm for appliances gt 50 000 Btuh 15 kW C Clearance to permanently closed b b widow D Vertical clearance to ventilated soffit 12 inches 30 12 inches 30 located above the terminal within a horizontal distance of 2 feet 61 from the center line of the terminal E Clearance to unventilated soffit 12 inches 30 12 inches 30 cm 12 Internet Version Reference Only Installation Venting continued Canadian US Installations Installations F Clearance to outside corner b b G Clearance to inside corner b b H Clearance to each side of center line 3 feet 91 cm b extended above meter regulator within a height assembly 15 feet 4 6 m above the meter regulator assembly l Clearance to service regulator vent 36 inches b outlet or oil tank vent 91 cm J Clearance to non mechanical air 12 inches 30 9 inches 23 cm for appliances supply inlet to building or the cm gt 10 000 3 kW and lt combustion air inlet to any other 50 000 Btuh 15 kW 12 inches appliance 30 cm for appliances gt 50 000 Btuh 15
36. ntal position This direct vent water heater is not designed for through the roof vertical venting Tools Required For Vent Air Intake Installation The following minimum tools are required to properly install the vent air intake system Note Wall construction will determine tool usage Tape Measure Drill 3 16 inch 4 75 mm Diameter Drill Bit s 1 8 inch Diameter 3 2 mm Drill Bit s Masonry Drill Bit s For Poured Concrete Concrete Block and Brick Wall Construction Reciprocating Saw w appropriate Blade s Dependent on Wall Construction Chisel For Poured Concrete Concrete Block and Brick Wall Construction Hammer For Poured Concrete Concrete Block and Brick Wall Construction 1 4 amp 5 16 inch Nut Drivers Preferred or Slotted Head Screwdriver Phillips Head Screwdriver 17 Internet Version Reference Only Installation Vent Air Intake System Installation continued 1 3 Measure the vertical height Y required in your installation See Figure 7 Reference the appropriate Table A to determine number of vent air intake kits required in your installation Measure the horizontal length X required in your installation See Figure 7 Reference Table A to determine number of vent air intake kits required in your installation Cut a 6 1 2 inch 16 5 cm diameter minimum clearance hole in the wall at the point where the vent air intake tubes will pass through the outside wall and connect w
37. o weeks or more Hydrogen gas is extremely flammable To prevent the possibility of injury under these conditions we recommend the hot water faucet to be open for several minutes at the kitchen sink before you use any electrical appliance which is connected to the hot water system If hydrogen is present there will be an unusual sound such as air escaping through the pipes as hot water begins to flow Do not smoke or have open flame near the faucet at the time it is open This water heater can deliver scalding temperature water at any faucet in the system Be careful whenever using hot water to avoid scalding injury Certain appliances such as dishwashers and automatic clothing washers may require increased temperature water By setting the thermostat on this water heater to obtain the increased temperature water required by these appliances you may create the potential for scald injury To protect against injury you should install an ASSE approved mixing valve in the water system This valve will reduce point of discharge temperature by mixing cold and hot water in branch supply lines Such valves are available from the manufacturer of this water heater or a local plumbing supplier Please consult with a plumbing professional 27 Internet Version Reference Only Installation Water Connections continued A DANGER 5 BURN Water temperature over 125 F 51 7 C can cause severe
38. ot Shown 15 Dip Tube amp Nipple 33B Direct Vent Air Intake Kit G Optional Not Shown Anode Rod amp Nipple 33C Direct Vent Air Intake Supplied amp Optional Temperature Pressure Relief 33D Direct Vent Air Intake Kit Valve Certain Models Optional Not Shown Air Intake Tube Loctite Ultra Blue 587 RTV Silicone Sealant 35 Direct Vent Air Intake Terminal Guard Optional AJ 8 O 9 Combustion Chamber Assembly 20 Combination Gas Control w E C O Note Provide the part name model and serial numbers of the water heater when ordering parts THIS MANUAL SHOULD BE KEPT WITH THE WATER HEATER 37 Internet Version Reference Only DIRECT VENT WATER HEATER Internet Version for Reference Only VENT AIR INTAKE KITS LOCTITE ULTRA BLUE 587 RTV SILICONE SEALANT BAG OF MOUNTING HARDWARE oD OD DIRECT INTAKE KIT F LOCTITE ULTRA BLUE 587 RTV SILICONE SEALANT BAG OF MOUNTING HARDWARE DIRECT INTAKE H PART NO 2434251400 OPTIONAL AND SUPPLIED WITH WATER HEATER PART NO 2434251600 OPTIONAL LOCTITE ULTRA BLUE 587 RTV SILICONE SEALANT BAG OF MOUNTING HARDWARE 40 0 DIRECT INTAKE KIT G PART NO 2434251700 OPTIONAL 42 LOCTITE ULTRA BLUE 587 RTV S
39. sealed DO NOT operate this water heater if any part is found damaged or if any joint is found not sealed A qualified service technician should perform the following maintenance at the minimum periodic intervals suggested below In some installations the maintenance interval may be more frequent depending on upon the amount of use and the operating conditions of the water heater Regular inspection and maintenance of the water heater and vent air intake system will help to insure safe and reliable operation 1 2 Annually check the operation of the thermostat The flow of combustion and ventilation air MUST NOT be restricted Annually inspect the direct vent air intake terminal to insure it is not blocked or damaged Clear the direct vent air intake terminal openings of any dirt dust or other restrictions WARNING Certain areas of the direct vent air intake terminal are HOT Annually inspect the vent air intake system to insure that all components are securely fastened and all joints and seams are properly sealed At all times keep the water heater area clear and free from combustible materials gasoline and other flammable vapors and liquids Bi annually conduct a visual check of the main and pilot burner flames to determine that they are burning properly See the information described previously under BURNER FLAME CHECKS in this Installation and Operating Instruction Manual If sooting or other burner anomalies are evident
40. shut down the water heater by turning off the gas per the instructions listed in this manual or as listed on the water heater 34 Internet Version for Reference Only Maintenance continued 6 Annually remove the inner door and main burner assembly to clean orifices and related parts of any dirt or other foreign material Inspect the burner ports for obstructions or debris and clean with a wire brush as needed Wire brush and or vacuum clean the combustion chamber as needed to remove scale deposits and debris Inspect the inner door gasket for wear and tear and replace if necessary NOTE It is imperative for proper operation of the water heater that the inner door be properly sealed 7 Atleast once a year check the combination temperature and pressure relief valve to insure that the valve has not become encrusted with lime Lift the lever at the lever at the top of the valve several times until the valve seats properly without leaking and operates freely A WARNING When lifting lever of the combination temperature and pressure relief valve hot water will be released under pressure Be careful that any released water does not result in bodily injury or property damage 8 Monthly drain off a gallon of water to remove silt and sediment by using the water heater s drain valve A WARNING THIS WATER MAY HOT 9 Ifthe combination temperature and pressure relief valve on the appliance discharges periodically this may
41. terminate the exhaust vent terminal over public area or walkways where condensate or vapor can cause nuisance or hazard The vent shall terminate a minimum of 12 inches above expected snowfall level to prevent blockage of vent termination Vent pipes serving power vented appliances are classified by building codes as vent connectors Required clearances from combustible materials must be provided in accordance with information in this manual under LOCATION OF WATER HEATER and CLEARANCES and with National Fuel Gas Code and local codes 13 Internet Version Reference Only Installation Venting continued The co axial vent air intake tubes of this water heater can be installed in any 360 configuration as long as the proper clearances for installation plumbing operation and servicing are maintained See Figure 6 Figure 6 Note Maintain proper clearances for installation plumbing operation and service HORIZONTAL AND VERTICAL VENT AIR INTAKE LENGTHS Optional vent air intake kits are available that can extend the horizontal length and or vertical height of the vent air intake system Table A lists the various vertical and horizontal vent air air intake system configurations 14 Internet Version for Reference Only Installation Horizont
42. tion and instruction manual will explain in detail the installation and maintenance of your new Direct Vent Gas Water Heater The Manufacturer strongly recommends that you contact a plumbing professional for the installation of this water heater We require that you carefully read this manual as well as the enclosed warranty and refer to it when questions arise If you have any specific questions concerning your warranty please consult the plumbing professional from whom your water heater was purchased For your records we recommend that you write the model serial number and installation date of your water heater in the maintenance section in the back of this manual This manual should be kept with the water heater Internet Version Reference Only TABLE OF CONTENTS Page GENERAL 44224 2 1 4 INSTALLATION Locating The Water 5 Minimum Clearances cccccccsssssesseeeeeeeeeeeeseseseeceeeeeeeeennnneens 8 Optional Direct Vent Air Intake Terminal Guard 8 12 Horizontal and Vertical Vent Air Intake Lengths 14 Vent Air Intake System 17 Water Connections
43. upplier from a neighbor s telephone Follow the gas supplier s instructions If you cannot reach your gas supplier call the fire department DO NOT OPERATE APPLIANCE UNTIL THE LEAKAGE IS CORRECTED Internet Version for Reference Only Installation Locating The Water Heater continued A WARNING DO NOT ATTEMPT TO LIGHT ANY GAS APPLIANCE IF YOU ARE NOT CERTAIN OF THE FOLLOWING Liquefied petroleum gases propane gas and natural gas have an odorant added by the gas supplier that aids in the detection of the gas Most people recognize this odor as a sulfur or rotten egg smell Other conditions such as odorant fade can cause the odorant to diminish in intensity and not be as readily detectable If you have a diminished sense of smell or are in any way unsure of the presence of gas immediately contact your gas supplier from a neighbor s telephone Gas detectors are available Contact your gas supplier or plumbing professional for more information The water heater must be located close enough to the outside wall to keep the venting distance within the maximum distance described in the installation instructions Note The direct vent air intake terminal must be installed on a vertical wall Read the venting section in this installation instruction manual before locating the water heater This water heater must be located in an area where leakage of the tank or water line connections
44. valve Do not place a shutoff valve between the combination temperature and pressure relief valve and the water heater or on discharge pipes between such valves or the atmosphere 26 Internet Version for Reference Only Installation Water Connections continued A WARNING FAILURE TO INSTALL AND MAINTAIN A NEW LISTED 3 4 X 3 4 TEMPERATURE AND PRESSURE RELIEF VALVE WILL RELEASE THE MANUFACTURER FROM ANY CLAIM WHICH MIGHT RESULT FROM EXCESSIVE TEMPERATURES AND PRESSURES If this water heater is installed in a closed water supply system such as the one having a back flow preventer in the cold water supply provisions shall be made to control thermal expansion DO NOT operate this water heater in a closed system without provisions for controlling thermal expansion Your water supplier or local plumbing inspector should be contacted on how to control this situation After installation of the water lines open the main water supply valve and fill the water heater While the water heater is filling open several hot water faucets to allow air to escape from the water system When a steady stream of water flows through the faucets close them and check all water connections for possible leaks NEVER OPERATE THE WATER HEATER WITHOUT FIRST BEING CERTAIN IT IS FILLED WITH WATER WARNING Hydrogen gas can be produced in an operating water heater that has not had water drawn from the tank for a long period of time generally tw
45. water lines A licensed plumbing professional or local plumbing authority should be consulted Note This water heater is equipped with an energy cut out device to prevent overheating Should overheating occur or the gas supply fail to shut off turn off the manual gas control valve to the appliance and call a qualified service technician Note Whenever the water heater is filled with cold water condensate will form on the cool tank surface and drops of water will fall on the hot burner and combustion chamber surfaces producing a sizzling noise Condensation is normal and does not indicate a leak It will disappear when the tank becomes heated Burner Flame Check Cast Iron Burner At the time of installation and at periodic intervals not more than 6 months a visual check of the main burner and pilot flames should be made to determine if they are burning properly For ideal operation the gas and air must be properly proportioned The proper air gas mixture is obtained by adjusting the air shutter on the mixer face of the main burner See Figure 19 To adjust for proper burning loosen the air shutter nut if provided rotate shutter to close the opening in the burner then slowly rotate the shutter until the yellow tips disappear and the flame becomes blue On 75 gallon models fired on LPG or propane adjust the air shutter as described above until the yellow flame is minimized note the burner flame may contain a mixture of yellow and
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