Home

operating, installation and service manual

1. AIR DUCT When communicating with the outdoors through vertical ducts each opening shall have a minimum free area of square inch per 4 000 BTU per hour of total input rating of all equipment in the enclosure figure 8 lt Chimney of Gas Vent DN Figure 8 Equipment Located in Confined Spaces yl All Air from Outdoors Through 7 Ventilated Attic TJ Outlet Air Inlet Air Duct ends If above floor I When communicating with the outdoors through horizontal ducts each duct openin shall have a minimum free area of square inch per 2 000 BTU per hour of total input rating of all equipment in the enclosure figure9 When ducts are used they shall be of the same cross sectional area as the free area of the openings to which the connect The minimum dimension of the rectangular air ducts shall not be less than 3 inches For other combustion and ventilation air openings refer to the National Fuel Gas Code ANSI Z223 1 T NOTE If the equipment room is located against an Chimney ofGasVent gt outside wall and the air openings communicate directly with the outdoors each opening shall have a free area of not less than one square inch per 4 000 BTU per hour of the total input rating of all equipment in the enclosure Figure 9 Illustration for Figures 6 9 copyright by the American Ou rae Gas
2. HEIGHT 4 INSTALLATION OF MULTIPLE WATER HEATERS IN LINE RATHER THAN PARALLEL RESULTING IN EXCESS FIRING AND OR EXCESSIVE CONDENSATIONS ON FIRST HEATER IN SERIES OR OUT OF BALANCE PILOT OUTAGES AND PREMATURE FAILURE OF BURNER COMPONENT PARTS WILL OCCUR 5 FAILURE TO PROVIDE ADEQUATE COMBUSTION AIR AND A CONTAMINATED AIR OUTLET OR TO ADEQUATE PROPER VENTING RESULTING IN NEGATIVE AIR PRESSURE DUE TO IMPROPER LOCATION OR LACK OF COMBUSTION SHOWN ON OWNERS OPERATION MANUAL AND THE INSTALLATION IN COMPLIANCE WITH UNIFORM PLUMB CODE 6 FAILURE TO INSTALL HEATERS TO MANUFACTURE AND BUILDING SAFETY STANDARDS WILL CAUSE PREMATURE FAILURE OF COMPONENT PARTS HAZARDOUS CONDITIONS AND FAILURE OF THE HEATER OR COMPONENTS CAUSED BY CHEMICALS OR SOLVENTS BEING STORED IN THE INMEDIATE VICINITY OF THE WATER HEATER 7 FAILURE TO PROVIDE A PROPERLY SIZED EXPANSION TANK ON THE COLD WATER LINE ON A CLOSED SYSTEM 8 FAILURE ADEQUATE GAS SUPPLY AND PROPER PRESSURE AS OUTLINED ON OWNERS OPERATION MANUAL INSTALLED IN COMPLIANCE WITH UNIFORM PLUMBING CODE 9 FAILURE TO INSTALL TEMPERATURE PRESSURE RELIEF VALVE DRAIN AS PER OWNERS OPERATION MANUAL AND IN COMPLIANCE WITH UNIFORM PLUMBING CODE 10 FAILURE TO INSTALL ELECTRIC IN COMPLIANCE TO OPERATION MANUAL AND TO NATIONAL ELECTRIC CODE my CONSUMER RESPONSIBILITIES THIS MANUAL HAS BEEN PREPARED TO ACQUALNT YOU WITH THE INSTALLATION OPERATION AND MAINTENANCE OF YOUR GAS WATER HEATER AND TO PROVIDE IMPORTANT SAFETY
3. Standing clear of the outlet discharge water may be hot lift and release the lever handle on the pressure temperature relief valve to make the valve operate freely If the temperature and pressure relief valve on the appliance discharges periodically this may be due to thermal expansion in a closed water supply system see Pressure Build Up in Water System Page Contact the water supplier or local plumbing inspector on how to correct this situation Do not plug the temperature and pressure relief valve AN WARNING TO AVOID POSSIBLE INJURY FIRE AND EXPLOSION READ THESE PRECAUTIONS BEFORE ATTEMPTING TO LIGHT OR RELIGHT THE PILOT Check the rating plate near the gas control thermostat for correct gas DO NOT USE THIS WATER HEATER WITH ANY GAS OTHER THAN THE ONE LISTED ON THE RATING PLATE Figure 5 Failure to use the correct gas can cause problems which result in DEATH SERIOUS BODILY INJURY OR PROPERTY DAMAGE If you have any questions or doubts consult your gas supplier or gas company FILLING HEATER WITH WATER E IL Close the heater drain valve by turning the handle to the right clockwise The drain valve is on the lower front of heater 2 Open the cold water supply valve to the heater 3 To insure complete filling of the tank allow air to exit by opening the nearest hot water faucet Allow water to run until a constant flow is obtained This will let air out of the heater and the piping AN CAUTION Operating an empty or
4. HEATER TO OPERATION COMBINATION SPACE HEATING POTABLE WATER HEATING SYSTEM VENTING SYSTEM INSPECTION OPERATING INSTRUCTIONS TO TURN OFF GAS TO APPLIANCE WATER TEMPERATURE REGULATION TEMPERATURE CONTROL GAS PRESSURE EMERGENCY SHUTDOWN INSTRUCTIONS TAMPERING MAINTENANCE PILOT AND MAIN BURNER WATER HEATER SOUNDS DRAINING REPLACING BURNER ASSEMBLY PILOT ASSEMBLY REPLACEMENT COMMON COMPLAINTS REPLACEMENT PARTS LIST REPLACEMENT PARTS ILLUSTRATION COMBINATION SPACE HEATING POTABLE WATER HEATING SYSTEM 20 21 22 23 24 25 26 28 29 30 WARRANTY LIMITATIONS THE MANUFACTURER OF THIS WATER HEATER WILL NOT BE RESPONSIBLE FOR TANK FAILURES OR WATER HEATER FAILURES RESULTING FROM ANY OF THE FOLLOWING CONDITIONS AND MAY AT IT S DISCRETIONS VOID THE WATER HEATER WARRANTY WHEN THESE CONDITIONS RESULT IN PREMATURE FAILURES OF THE TANK OR COMPONENTS 1 INSTALLATIONS NOT COMPLYING WITH ALL LOCAL CODES 2 FAILURES DUE TO UNDERSIZING OF THE WATER HEATER AND SUBSEQUENT EXCESSIVE BURNER FIRING 3 BAD WATER CONDITIONS SUCH AS WELL WATER WITH EXCESSIVE MINERAL DEPOSITS IT IS THE RESPONSABILITY OF THE INSTALLER TO TAKE WHAT EVER STEPS ARE REQUIRED INCLUDING THE INSTALLATION OF WATER HEATER SOFTENERS TO PREVENT EXCESSIVE LIME BUILD UP AND SUBSEQUENT METAL FATIGUE DUE TO OVER HEATING OF THE TANK BOTTOM AND TO USE THE HAND HOLE CLEANOUT PROVIDED IN THIS WATER HEATER TO KEEP LIME DEPOSITS IN THE TANK BOTTOM EXCEEDING FROM 2
5. INFORMATION WE URGE YOU TO READ ALL INSTRUCTIONS THOROUGHLY BEFORE ATTEMPTING INSTALLATION OR OPERATION OF YOUR WATER HEATER KEEP THESE INSTRUCTIONS FOR FUTURE REFERENCE The manufacturer of this water heater will not be liable for any damages caused by failure to comply with the installation and operating instructions outlined on the following pages These instructions are a guide for the correct installation of your water heater If you lack the necessary skills required or have difficulty following the directions you should not proceed but get help from a qualified person for that part of the installation you do not understand Your gas fired water heater is design certified by ETL The installation should conform with the local code or the authority having jurisdiction or in the absence of such the National Gas Code ANSI 2223 NFPA 54 A copy of the Code can be purchased from American Gas Association Order Processing 400 N Capital St N W Washington D C 20001 e mail ordering www aga org Fax ordering 866 8 16 9444 A rating plate identifying your water heater will be found next to the gas control valve thermostat PRESSURE BUILD UP IN CLOSED WATER SYSTEMS The water utility supply meter may contain a check valve back flow preventer or water pressure reducing valve This will create a closed water system During the heating cycle of the water heater the water expands creating a pressure build up in the water system A temperature and pre
6. OPERATE APPLIANCE UNTIL LEAKAGE IS CORRECTED N caution NEVER OPERATE AN EMPTY OR PARTIALLY FILLED WATER HEATER ANODES This water heater is supplied with anode rods designed to extend tank life and reduce corrosion Anodes emit a weak flow of electrical current through the water to protect the tank When present in highly active water a rotten egg odor may be produced from the gases from the anodes mixing with the water This is not the fault of the water heater Chlorination of the water supply system should minimize this condition Consult your telephone directory for local water treatment specialists REMOVAL OF AN ANODE ROD WILL VOID THE WARRANTY MULTIPLE HEATER INSTALLATION INSTALLATION DIAGRAMS INSTALLATIONS WHERE HEATERS ARE MANIFOLDED All heaters should have approximately the same input rate To manifold a high input heater with a low input heater will result in the lower input heater running excessively It is preferable for all heaters to be the same model All heaters must be evenly spaced to provide identical number of turns length and size of pipes in each manifold This is absolutely necessary to insure a balanced condition to all heaters in the installation INSTALLATION Using Top Connect Only Typical installation showing four 4 Commercial Heaters in parallel manifold using top connect only Figure 10 AN WARNING Hydrogen gas can be produced in a hot water system that has not been used for a long
7. as a replacement with venting that met the existing codes at the time of the installation of the original water heater This water heater uses a non direct single pipe vent system to remove exhaust gases created by the burning of fossil fuels Air for combustion is taken from the immediate water heater location or is ducted in from the outside see Combustion Air Supply and Ventilation This water heater must be properly vented for the removal of exhaust gases to the outside atmosphere Correct installation of the vent pipes system is mandatory for the proper and efficient operation of this water heater and is an important factor in the life of the unit U L approved fuel gas and carbon monoxide CO detectors are recommended in all applications and should be installed using the manufacturer s instructions and local codes rules or regulations Important If you lack the necessary skills required to properly install this venting system you should not proceed but get help from a qualified service technician S MECHANICAL EXHAUSTING AND FIREPLACES POTENTIAL HAZARDOUS the operation of air moving devices such as exhaust DOWNDRAFT OPERATION fans ventilation sustem clothes dryers fireplaces etc EXHAUST FANS can affect the proper operation of gas utilization VENTILATION SYSTEM equipment CLOTHES DRYERS Consequently special attention must be given to FIREPLACES conditions these devices may create to avoid REVERSE
8. front until the holding bracket slides out of the slot in the bottom pan If the burner is dirty or clogged it can be cleaned with soap and water REPLACING THE BURNER ASSEMBLY 1 Insert the burner assembly into the opening in the bottom pan and slide toward the rear so that the burner holding bracket slides into the slot in the bottom pan The manifold tube will now line up to the thermostat connection Reconnect the manifold tube and pilot tube Do not cross thread these fittings figure 14 Note that the propane LP Gas manifold has left hand thread rotation Reconnect the thermocouple The thermocouple nut should be started and turned all the way in by hand An additional one quarter turn with a 3 8 open end wrench will be sufficient to set the lockwasher figure 14 CAUTION OVERTIGHTENING MAY DAMAGE THE THERMOCOUPLE OR THERMOSTAT Follow OPERATING INSTRUCTIONS to relight water heater Check for gas leaks with soap and water solution or liquid detergent Bubble forming indicates a leak FIX ALL LEAKS IMMEDIATELY DO NOT USE OPEN FLAME OR ANY KIND OF SPARK TO CHECK FOR LEAKS THERMOCOUPLE AND OR PILOT REPLACEMENT 1 2 Remove burner assembly See REMOVAL OF BURNER ASSEMBLY section Grasp the thermocouple line and moderately pull the thermocouple from the pilot burner assembly NOTE If for any reason the thermocouple will not disengage from the pilot bracket assembly replace the complete pilot assem
9. long way on the floor and Do not use or store flammable products such as gasoline 4 can be carried from other rooms to the pilot flame solvents or adhesives in the same room or area near the water by air currents heater Installation Do not install water heater where flammable products will be stored or used such as a garage basement storage area or utility room unless the main burner and pilot flames are at least 18 above the floor This will reduce but not eliminate the risk of vapors being ignited by the main burner or pilot flame Read and follow water heater warnings and instructions If owners manual is missing contact the retailer or manufacturer Water temperature over 125 F 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 PAN WARNING PAN WARNING A Fire Hazard Read and understand instruction manual and safety DO FiveHazard messages before installing operating or servicing this water heater For continued protection against risk of fire Failure to follow instructions and safety messages Maps Do not install water heater on carpeted floor could result in death or serious injury Do not operate water heater if flood damaged Instruction manual must rema
10. partially filled heater will result in damage to the tank 4 Check all new water piping for leaks Repair as needed 5 Unit is ready to be started Follow lighting instructions on Page 21 INSTALLATION CHECK LIST Before putting burner in operation This is presented for ease of reference It is not comprehensive All instructions and warnings must be read and adhered to A HEATER LOCATION CI Close to area of vent CI Indoors and protected from freezing temperatures LI Proper clearance from combustible surfaces observed and heater not installed directly on carpeted floor CI Sufficient fresh air supply for proper operation of heater LI Air supply free of corrosive elements and flammable vapors LI Provisions made to protect area from water damage CI Sufficient room to service heater B WATER SUPPLY See WATER PIPING CI Install cold water inlet valve Figure 5 LI Heater completely filled with water LI Water connection tight and free of leaks C RELIEF VALVE LI Install a new Temperature and Pressure Relief Valve properly and discharge line run to open drain L Discharge line protected from freezing Figure 5 D GAS SUPPLY L Gas supply same as the type of gas listed on the rating plate LI Gas line equipped with shut off valve union and drip leg Figure 5 LI Approved pipe joint compound used LI Soap and water solution used to check all connections and fittings for possible gas leaks L The installer to visually dete
11. rating plate to make certain it corresponds with your application Read these instructions thoroughly before proceeding with the installation of this new gas fired water heater If there is any difficulty understanding all or any part of these instructions it is recommended that a qualified service person perform the installation NOTICE The manufacturer s warranty does not cover damage or injury cause by the use of any energy saving devices other than those authorized by the manufacturer in conjunction with this water heater The use of unauthorized energy saving devices may decrease the life of the water heater and endanger life and or property The manufacturer will not be held liable for loss or injury resulting from the use of any unauthorized device in conjunction with this water heater This water heater has been equipped for use with one type of gas only Compare the information provided on the rating plate affixed to the front of the water heater making sure that the gas stated on the rating plate is the same as the gas to be used DO NOT ATTEMPT TO USE THIS WATER HEATER WITH ANY GAS OTHER THAN THE TYPE LISTED ON THE RATING PLATE Do not attempt to convert this water heater for use with a gas other than the type for which it is equipped Failure to use the proper gas can create an unsafe condition resulting in property damage bodily injury or death Consult local gas supplier or gas company if there are any questions For installations
12. system unless required by local codes A closed system will result in frequent operation of the relief valve Provisions must be made for protection against thermal expansion in the event of a closed system Page Warranties do not cover pressure bulges and or deformities This water heater is capable of delivering high temperature hot water at any faucet in the system Care must be taken whenever using hot water to avoid scalding injury Certain appliances require high temperature hot water such as dishwashers and automatic clothes washers In order to prevent potential scald injury install an anti scald tempering valve in the water system GAS PIPING o Use clean black iron pipe or equivalent material approved by local codes and ordinances for gas piping Install a ground joint union in the supply line as close to the water heater as possible A manual gas shut off valve should be above floor level and readily accessible A drip leg consisting of a pipe tee 4 inch nipple and a cap should be installed as shown in Figure 5 Make sure the gas supplied to the heater is the same type as listed on the rating plate DO NOT ATTEMPT TO USE THIS WATER HEATER WITH ANY GAS OTHER THAN THE TYPE LISTED ON THE RATING PLATE Compound used for the connection of all gas piping should be resistant to the action of liquefied petroleum L P gases Apply pipe dope sparingly to the male threads only DO NOT apply pipe dope to the gas valve inlet Make certain
13. that no pipe dope has become lodged in the inlet screen of the gas valve This will restrict the flow of gas When attachment of gas piping to gas valve inlet is made extreme care must be taken to prevent pipe dope from entering the gas valve inlet and to avoid excessive torque to prevent cracking of the gas valve inlet housing The suggested maximum torque is 31 5 ft Ibs The manufacturer of this water heater will not be liable for any damage or injury caused as a result of a cracked gas inlet from excessive torque TYPICAL INSTALLATION E Hot Water Service VENT CONNECTOR m a STORAGE TANK Min 1 4 in rise per linear feet EXPANSION TANK Return Line _ from service H when used DRAFTHOOD HOT WATER OUTLET dude rs GAIA at Supply SHUT OFFVALVE COLD WATER INLET RATING PLATE T 8 P RELIEF VALVE Use an Expansion Tank in Manual Sut Off a closed water system Valve b HAND HOLE Ground Joint Union CLEAN OUT 0 N DRAIN VALVE Minimu 3 b 5 S Discharge to an OPEN DRAIN DO NOT ji i thread cap or plug the end discharge line Discharge line should be at least 3 4 ID amp THERMOSTAT mm pitched for proper drainage to open drain Drip Leg amp Cap mr 6 in Minimum Sediment Trap EJ 2 2 DRIP PAN WITH SUITABLE DRAIN Figure 5 OPEN DRAIN SINGLE COMMERCIAL GAS MODEL TOP CONNECTIONS WITH RETURN CIRCULATION Shut off valve Bleed valve System ret
14. ANCES FROM COMBUSTIBLE NOTE HEATER SHALL BE LOCATED OR PROTECTED SO IT IS NOT CONSTRUCTION E M PHYSICAL DAMAGE BY MOVING VEHICLES OR AREA A B C D 75 76 100 83 G75 T2 GI00 T2 ig 2 6 6 Figure Figure 3 Typical Installation in Residential Garages Illustration copyright by the American Gas Association Used by permission of the copyright holder CERTIFIED FOR ALCOVE INSTALLATION FRONT OPEN CERTIFIED FOR INSTALLATION ON COMBUSTIBLE FLOOR Di Figure 2 Combustion and Ventilation Air Provisions must be made for adequate combustion and ventilation air Details outlining proper air supply for various types of installation are prescribed by the National Fuel Gas Code ANSI Z 223 1 NFPA 54 latest edition If the water heater is installed in unconfined space within the building infiltration air may be adequate for proper combustion and ventilation Buildings of tight construction weather stripping caulked etc require additional air from outdoors If the water heater is installed in a confined space volume is less than 50 cu ft per 000 BTUH of the total input rating of all gas appliances in that space air must be supplied through two permanent openings One opening shall be within 12 inches from the top of the enclosure and one within 2 inches of the bottom The openings must be protected by metal louvers or 1 4 min mesh metal screen The size of the openings are as follows If the openings c
15. Association Used by permission of the copyright Equipment Located in Confined Spaces holder Y P pyng All Air From Outdoors Intlet Air Duct DISCHARGE OF PURGED GASES P When removing purged gases from a piping system care should be taken to not create hazardous condition such as discharging the gases into a confined area or in an area which contains an ignition source VENT PIPE SYSTEM The water heater must be connected to the chimney They vent pipe from the heater to the chimney vent connector must be no less than the diameter of the drafthood outlet on the heater and should slope upward to the chimney at least 1 4 inch per linear foot Due to great variances in installations unforeseeable by the manufacturer of the water heater increased size vent connectors and pipes may be necessary for proper venting Consult your local utility They willl aid you in determining the proper venting for your heater from the vent tables in the american National Stand ard Z223 1 NFPA 54 National Fuel Gas Code There are various types of vent dampers currently available Some of these vent dampers are certified by the Canadian Standard Association Labora tories The certifications apply to the vent damper device only and do not mean they are certified for use on this water heater The use of these devices is not permitted by the manufacturer of this water heater VENTING IMPORTANT NOTICE This water heater may be installed
16. EXHAUST OTHERS FLOW HOOD unsatisfactory operation of the equipment NATURAL DRAFT EQUIPMENT 12 After completing all gas connections check each gas connection and fitting for leaks Use a soap and water solution or a commercial leak detector fluid NEVER USE MATCHES OR OPEN FLAME WHEN CHECKING FOR GAS LEAKS The water heater and its individual gas shut off valve must be disconnected from the gas supply piping system during any pressure testing or that system at test pressures in excess of 1 2 psi 14 W C or 3 5kPa The water heater must be isolated from the gas supply piping system by closing its individual manual shut off valve during any pressure testing of the gas supply piping system at test pressures equal to or less than 1 2 psi I4 W C or 3 5kPa If the gas valve is subjected to pressure exceeding 1 2 psi the damage to the gas valve could result in an extremely hazardous condition If this has occurred the gas valve must be replaced Contact your dealer for service It is recommended that all service work be done by a qualified service agency INSTALLATION SAFETY WARNING L P UNITS Liquified petroleum L P gas is 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 sniff at floor level IF YOU SMELL GAS follow applicable instructions on Front Cover or Page 21 DO NOT
17. ING IMPORTANT NOTICE This water heater may be installed as a replacement with venting that met the existing codes at the time of the installation of the original water heater AN WARNING The installer to check the installation for venting and for spillage all around the draft hood relief opening after five minutes of operation the method to check for flue products spillage should utilize a flame or a match or candle or smoke or flame form another source such a cigarette or grill lighter wand The procedure used should be to play the flame or smoke around the perimeter of the draft hood from the outside If spillage is encountered it would be manifested by smoke escaping away from the draft hood or by the flame being extinguished while outside of the hood Good venting would be indicated by smoke and the flames being drawn into the draft hood Vent Size Model Vent Size 75 76 100 83 4in G75 T2 G100 T2 Draft Diverter This water heater has been shipped with a draft diverter for which it was designed with reference to the horizontal and vertical planes If removed the draft diverter shall be replaced in the same position and secured to the jacket top by the screws with which it was installed Vent Piping This water heater must be connected to a masonry chimney or venting system approved by local codes or ordinances The vent connector used to attach the draft diverter outlet to the chimney or approved vent must be of the same diamet
18. IONS ES 1 STOP Read the safety warnings above on this label 8b For Gas LP Light match and hold to pilot While 2 Remove outer and inner doors holding lighted match to pilot depress the gas control knob 3 Turn temperature dial counter clockwise Ng to all the way hold until pilot lights Continue to hold the knob lowest settings for one 1 minute after the pilot was lighted Release the 4 Turn gas control knob clocwise N to OFF gas control knob and it will pop back up Pilot should position remain lit If it goes out repeat steps 3 through 8 5 To clear any gas that may have accumulated wait ten lfresetbutton gas control knob does not pop up when 10 minutes If you then smell gas STOP Follow B in the released stop and immediately shut off gas ahead of safety warning above on this label If you don smell gas control at line valve or tank Call your service technician go to the next step or gas supplier 6 Find pilot Follow the smaller metal tube from the If the pilot will not stay lit after several tries turn the gas thermostat to the pilot cock clockwise TAS to OFF position and call your 7 Turn gas control knob counter clockwise NA to service technician or gas supplier PILOT position 9 Replace the inner door 8a For Gas Natural Light match and hold to pilot While 10 Turn gas control knob counter clockwise J to holding lighted match to pilot depress reset button all the ON
19. L GAS poe MEM Uu uu 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 N WARNING Improper installation adjustment alteration service or maintenance can cause injury or property damage Refer to this manual For assistance or additional information consult a qualified installer service agency or the gas supplier Please complete the following information at the time of installation This should be retained and presented along with the warranty in the event a claim is necessary MODELNUMBER A A TYPE SERIAL NUMBER INSTALLATION ADDRESS THIS WATER HEATER HAS BEEN INSTALLED IN ACCORDANCE WITH THESE INSTALLATION INSTRUCTIONS AND LOCAL CODE REQUIREMENTS ON DATE INSTALLER lod THIS WATER HEATER MUST BE PROPERLY AND REGULARLY MAINTAINED FAILURE TO DO SO WILL VOID THE WARRANTY IMPORTANT pa m BEFORE PROCEEDING WITH THE INSTALLATION OF THIS WATER HEATER READ AND THOROUGHLY UNDERSTAND THESE INSTALLATION AND OPERATION INSTRUCTIONS IF THERE ARE ANY QUESTIONS THIS INSTALLATION SHOULD BE PERFORMED BY A QUALIFIED SERVICE PERSON GENERAL 1 INSPECT SHIPMENT Inspect water heater for possible damage If damaged notify carrier immediately Check markings on
20. MODELS i Commercial 75 76 AS 100 83 AS Residential G75 T2 AS 0100 T2 AS American Standard Water Heaters operating installation and service manual Commercial Residential Gas Water Heaters REV 01 September 2014 OPERATING INSTALLATION AND SERVICE MANUAL STORAGE TYPE GAS WATER HEATER Liste WARNING ifthe information in these instructions is not followed exactly a fire or explosion may result causing property damage personal injury or death Do not store or use gasoline or other flammable 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 e 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 THIS APPLIANCE SHALL NOT BE INSTALLED IN ANY LOCATION WHERE FLAMMABLE LIQUIDS OR VAPORS ARE LIKELY TO BE PRESENT FLAMMABLE VAPORS MAY BE DRAWN TO THIS WATER HEATER FROM OTHER AREAS OF THE STRUCTURE BY AIR CURRENTS AN CAUTION THIS WATER HEATER SHOULD NOT BE USED TO HEAT A SPA OR HOT TUB THIS WATER HEATER SHALL NOT BE INSTALLED IN BATHROOMS BEDROOMS OR ANY OCCUPIED ROOM NORMALLY KEPT CLOSED This water heater is equipped for one type
21. See Page 19 I Turn gas valve knob clockwise to the OFF position 2 Close the cold water inlet valve to the heater 3 Open a nearby hot water faucet 4 Open the heater drain valve 5 If the heater is going to be shut down and drained for an extended period the drain valve should be left open JN WARNING CAUTION V THIS WATER HEATER SHOULD NOT BE USED TO HEAT A SPA OR THIS WATER CAN BE HOT uon THIS WATER HEATER IS NOT INTENDED OR SUITED FOR USE WITH A HOT TUB OR SPA AND MAY NOT BE USED FORTHIS PURPOSE SERVICE MUST BE PERFORMED BY A QUALIFIED INSTALLER SERVICE AGENCY OR GAS SUPPLIER LOOSEN TIGHTEN THREAD THREAD ROTATION ROTATION SEE NOTE BELOW SEE NOTE BELOW N V RIGHT HAND RIGHT HAND PILOT TUBE NUTS MANIFOLD TUBE Figure 14 NOTE L P propane bottled gas models have reverse left handed thread on the manifold DO NOT apply any thread sealant pipe dope teflon tape etc to these connections REMOVAL OF BURNER ASSEMBLY For your safety the following procedure should be performed by qualified service personnel or someone familiar with gas appliances as it involves disconnection of gas piping and leak testing 1 Turn gas control knob clockwise to OFF position page 7 2 Open outer and inner doors 3 Disconnect the termocouple pilot tube and manifold tube at the thermostat figure 14 Note that the propane LP Gas manifold has left hand thread rotation 4 Pull the burner toward the
22. alled in the domestic potable hot water supply to limit the RISK OF SCALD DAMAGE SOME JURISDICTIONS may require a backflow preventer in the incoming cold water line to the water heater In such cases the temperature and pressure relief valve on the water heater may weep or relieve due to expansion of the heated water A diaphragm type expansion tank will normally eliminate this weeping condition Please read and follow the manufacturer s instructions for installa tion of such tanks VENTING SYSTEM INSPECTION Check the draft hood relief opening Figure 5 using a match flame after 15 minutes of operation Pass the match flame around the relief opening of the draft hood A steady flame drawn into the opening indicates proper draft If the flame flutters or is blown out this would indicate spillage and corrective action must be made to the vent Figure 5 At least every 3 months a visual inspection should be made of the venting system You should look for Obstructions which could cause improper venting Damage or deterioration which could cause improper venting or leakage of combustion products CONDENSATION Whenever the heater is filled with cold water there will usually be a certain amount of condensation formed while the burner is ON Moisture from the products of combustion condenses on the cooler tank surfaces to produce a sizzling or frying noise During the winter months this condition will be more pronounced Condensation is
23. as pressure at orifice Burner surface damaged Low gas pressure l Defective thermostat Pilot will not remain lit No gas Dirt in gas lines Pilot line clogged Low gas pressure Pilot flame Piet line al d tos small ilot line clogge Pilot line not clogged REMEDY Check with utility Notify utility install dirt trap in gas lines Clean check for source of trouble amp correct Clean check for source of trouble amp correct Replace with new thermostat Turn temperature dial to desired temperature Provide ventilation by use of louvers in wall or duct Replace with new gas valve Check with utility Replace with correct orifice Clean check for source of trouble amp correct Provide ventilation by use of louvers in wall or duct Check source amp correct Clear the area near the heater Check with utility Clean check for source of trouble amp correct Clean check for source of trouble amp correct Provide ventilation by use of louvers in wall or duct Clear the area near the heater Replace with correct orifice Check with utility Replace burner Check with utility Replace with new thermostat Check with utility Notify utility install dirt trap in gas lines Clean check for source of trouble amp correct Check with utility Clean check for source of trouble amp correct Adjust pilot CONDITION CAUSE REMEDY Replace control valve Turn temperature knob to desired temperature Clean out sediment Refer to page 22 High
24. bination space heating potable water heating system be sure to follow manual s shipped with air handler system Refer to figure 16 page 30 Note the following warnings Toxic chemicals such as those used for boiler treatment shall NEVER be introduced into this system This unit may NEVER be connected to any existing heating system or component s previously used with a non potable water heating appliance DO NOT use with piping that has been treated with chromates boiler seal or other chemicals DO NOT add boiler treatment or any chemicals to any heat piping since the piping contains potable water DO NOT use with ferrous piping The system should be installed only with new piping that is suitable for potable water such as copper or polybutylene DO NOT use with PVC piping DO NOT use with any pumps valves or fittings that are not completely compatible with potable water piping DO NOT use valves that may cause excessive restriction to water flow USE FULL FLOW BALL OR GATE VALVES ONLY DO NOT tamper with the thermostat gas valve igniter control or temperature and pressure relief valve Tampering with any of these components is DANGEROUS and can result in property damage or severe injury Tampering voids all warranties Only qualified personnel should service these components DO NOT use 50 50 solder in potable water lines IF THE SPACE HEATING system requires water temperatures in excess of 40 F a mixing valve or other means should be inst
25. bly follow steps 4 and 5 otherwise go to next step Push replacement thermocouple through hole in pilot bracket until it snaps in place The end of a properly installed thermocouple should extend approximately 1 4 inch past the tip of the pilot assembly go to step 6 Remove No 8 32 screw holding pilot assembly to main burner Figure 13 Re install replacement pilot assembly to main burner making sure that it is in the right location Figure 13 Replace burner assembly see REPLACING THE BURNER ASSEMBLY section 25 26 COMMON COMPLAINTS Bs FOLLOWING IS A LIST OF THE MOST COMMON COMPLAINTS RELATED TO THE USE OF WATER HEATERS MANY COMPLAINTS ARE DUE TO ITEMS NOT DIRECTLY RELATED TO THE WATER HEATER DO NOT ATTEMPT TO SERVICE THE WATER HEATER OR PERFORM OTHER RECOMMENDATIONS ON THIS LIST UNLESS YOU ARE TRAINED AND QUALIFIED TO DO SO CONDITION CAUSE No gas Dirt in gas line Pilot line clogged Burner will l not ignite Main burner line clogged Defective thermostat Thermostat set too low Heater installed in confined area Defective gas valve High gas pressure Burner flame floats lifts off ports Orifice too large Flue clogged Heater installed in confined area Cold drafts Insufficient secondarv air Low gas pressure Burner flame yellow lazy Flue clogged Main burner line clogged Heater installed in confined area Burner flame Insufficient secondary air too high Orifice too large Flame burns Low g
26. ds which are potentially corrosive These materials are corrosive at very low concentration levels with little or no odor to reveal their presence Products of this sort must not be stored near the water heater nor should air which is brought in contact with the water heater contain any of these chemicals Flammable vapors may be drawn by air currents from other areas of the structure to this appliance If necessary uncontaminated air should be obtained from remote or outside sources THE WARRANTY ON THIS WATER HEATER DOES NOT COVER DAMAGE CAUSED FROM OPERATION IN A CORROSIVE ATMOSPHERE Water Damage Drain Pan The water heater should be located in an area where leakage of the tank or connections 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 MUST BE INSTALLED UNDER THE WATER HEATER HAVING A LENGTH AND WIDTH AT LEAST 3 INCHES GREATER THAN THE DIAMETER OF THE WATER HEATER A MAXIMUM HEIGHT OF 1 3 4 INCHES AND BE PIPED TO AN OPEN DRAIN DO NOT RESTRICT THE FLOW OF COMBUSTION AIR DRAFTHOOD LOCATION a DRAFTHOOD Figure 4 DRAIN PAN INSTALLATION AND CONSTRUCTION MUST CONFORM TO LOCAL CODES AND ORDINANCES IF NOT INSTALLED AND OPERATED IN ACCORDANCE WITH THESE INSTRUCTIONS UNDER NO CIRCUMSTANCES WILL THE MANUFACTURER OF THIS WATER HEATER BE LIABLE FOR ANY WATER DAMAGE OR INJURY IN CONNECTION WITH THIS WATER HEATER VENT
27. er as the draft diverter outlet or larger For proper venting in certain installations a larger vent connector may be needed Consult venting tables in National Fuel Gas Code ANSI Z223 1 NFPA 54 latest or current or local code officials for proper application in your area N CAUTION Better combustion is achieved bv avoiding numerous elbows in the vent piping Horizontal piping must be sloped upward at least 1 4 inch per linear foot of length All connections in venting system must be securely fastened with sheet metal screws or other approved method Check local codes and ordinances Failure to install a proper venting system can result in fire injury or death WATER CONNECTIONS Installation Refer to Figure 5 for typical installation Connect the hot and cold water supply to the water heater hot to the location marked HOT and cold to the location marked COLD Note If making cold water connection on top determine that the dip tube is in place If sweat connections are used sweat tubing to adapter before attaching adapter to the top cold water inlet as it may contain a nonmetallic dip tube When making these connections use a good grade of pipe joint compound Be familiar with the location of the shut off valve in the cold water line feeding the water heater See Figure 5 If a valve is not present one shall be installed as shown in Figure 5 Do not install a check valve or other device that would prevent reverse flow of water closed
28. g flame Carbonizing flames are to be avoided and can be determined by wiping the tip of the combustion chamber when the flames is extinguished and the combustion chamber has cooled to determine if any carbon or soot has been deposited If the burners are dirty or clogged with lint or shoot the burners can be cleaned with soap and water If soot re occurs refer to common complaints page 26 and 27 At least every 3 months a visual inspection should be made of the venting system You should look for obstructions which could cause improper venting damage or deterioration which could cause improper venting or leakage of combustion products 23 24 PILOT AND MAIN BURNER d PILOT BURNER PILOT BURNER Pd MAIN BURNER VENTURI GAS NAT BURNER GAS L P BURNER Figure 13 WATER HEATER SOUNDS mg Possible noises due to expansion and contraction of some metal parts during periods of heat up and cool down do not represent harmful or dangerous conditions 2 Sediment buildup in the tank bottom will create varying amounts of noise and left in the tank will cause premature tank failure 3 Condensation causes sizzling and popping within the burner areas during heating and cooling periods and should be considered normal See Condensation DRAINING The water should be drained if being shut down during freezing temperatures Also periodic draining and cleaning of sediment from the tank may be necessary
29. gas only Check the data plate near the control access panel for the correct gas DO NOT USE THIS WATER HEATER WITH ANY GAS OTHER THAN THE ONE LISTED ON THE DATA PLATE Failure to use the correct gas can cause problems which can result in DEATH SERIOUS BODILY INJURY OR PROPERTY DAMAGE If you have any questions or doubts consult your gas supplier or gas company Water heaters for bottled propane or liquefied petroleum gas LPG are different from natural gas models A natural gas heater will not function safely on bottled propane or liquefied petroleum gas LPG and no attempt should be made to convert a heater from natural gas to any other gas An odorant is added to the gas used by this water heater IF YOU HAVE QUESTIONS THAT ARE NOT ANSWERED IN THE MANUAL YOU MAY CALL THE TOLL FREE NUMBER 800 900 9063 DO NOT CONTACT US BY TELEPHONE OR EMAIL FOR WARRANTY REGISTRATION YOUR WATER HEATER SERIAL NUMBER IS ALREADY ON FILE THE WARRANTY IS ACTIVATED AT THE TIME OF PURCHASE KEEP YOUR RECEIPT TO SHOW TO SERVICE PERSON IF SERVICE IS REQUIRED Keep flammable products far away from heater 2 in approved containers 3 tightly closed and 4 out of children s reach Water heater has a main burner and pilot flame I is on all the time and FLAMMABLES ome gt 2 will ignite flammable vapors Vapors Vapors from flammable liquids will explode and I cannot be seen catch fire causing death or severe burns 2 are heavier than air 3 go a
30. he maximum supply pressure must not exceed the specified value below and the minimum supplv and normal manifold gas pressures are as follows Supplv Pressure Manifold Pressure MAX MIN NORMAL NATURAL GAS II W C 5 W C 4 W C SEE RATING PLATE L P GAS 14 W C LI W C 10 W C Refer to pressure noted on the label affixed to the front of the water heater Consult your local gas company of gas supplier if correction is necessary EMERGENCY SHUTDOWN INSTRUCTIONS ma Should the water heater be subjected to flood fire or other unusual condition turn off gas at manual shut off valve and water inlet valve to heater Refer to figure 5 Do not place water heater in operation again until it has been thoroughly checked by qualified personnel TAMPERING ll Tampering with the thermostat gas valve igniter control or temperature and pressure relief valve is DANGEROUS and voids all warranties Only qualified personnel should service these components WARNING Should overheating occur or the gas fail to shut off turn off the manual gas control valve to appliance and call a qualified service person to check for the cause MAINTENANCE BURN AND PILOT MAINTENANCE At least every 3months visually check main burner and pilot flames Observation of the gas flame should show the burner flame to be a soft blue with the suggestion of slight yellow tips It is to be noted that the flame of a light color may not be a carbonizin
31. hes on or off 5 SHUT OFF GAS at L P tank outside of the building 6 Use an outside phone and immediately call the gas company and the fire department Ask for instructions Before hanging up give your name and address 7 DO NOT go back into the building If help is coming wait for it outside of the building OUT OF FUEL When your L P tank runs out of fuel turn off gas at all gas appliances including gas to pilots After L P tank is refilled all appliances must be re lit according to the manufacturer s instructions Page 21 EXPOSURE TO WATER Do not use this appliance if any part has been under water Immediately call 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 PAN DANGER DO NOT STORE OR USE ANY COMBUSTIBLE MATERIALS OR LIQUIDS SUCH AS GASOLINE PAINT THINNERS OR OTHER FLAMMABLE VAPORS NEAR ANY GAS BURNING APPLIANCES VAPORS MAY BE IGNITED BY THE PILOT OR MAIN BURNER FLAMES NO OBSTRUCTION SHOULD BE IN THE FLOW OF COMBUSTION AND VENTILATION AIR INSTRUCTIONS FOR CLEANING TANK ONLY FOR 75 76 amp 100 83 MODELS A clean out procedure is provided for periodic cleaning of the tank Shut off gas supply to water heater 2 Shut off water supply to water heater 3 Open the nearest hot water faucet 4 Attach hose to drain valve and open drain valve so water can drain from water heater JNWARNING This wa
32. ily injury hazard to life or damage to property the relief valve must be allowed to discharge water in the event of excessive temperature or pressure developing in the water heater The function of the temperature and pressure relief valve is to discharge water in large quantities should circumstances demand If the discharge pipe is not directed to a drain as shown in Figure 5 or other suitable means the water flow may cause property damage The discharge line 1 Must not be smaller than the pipe size of the relief valve 2 Must not be plugged or blocked 3 Must be of material capable of withstanding 210 F without distortion 4 Must be installed so as to allow complete drainage of both the temperature and pressure relief valve and discharge line 5 Must terminate at an adequate drain Figure 5 6 Must not have any valve between the relief valve and the end of the discharge line TEMPERATURE AND PRESSURE RELIEF VALVE Failure to install and maintain a new properly listed temperature and pressure relief valve will release the manufacturer from any claim which might result from excessive temperature or water pressure MANUAL RELIEF LEVER Figure 11 DISCHARGE LINE TO DRAIN AN WARNING Do not attempt to operate this water heater with the cold water inlet valve closed Manually operate the pressure temperature relief valve at least once a year To prevent water damage discharge line must terminate at an adequate drain
33. in high altitude regions this water heater must be ordered from the supplier to the manufacturer s specifications for that particular altitude Contact the company listed on the rating label when ordering high altitude constructed water heaters For any questions not covered in this booklet contact your dealer or write to us at the address shown the rating plate affixed to the front of the water heater This water heater has been designed and manufactured for the express purpose of heating and storing potable water and space heating See page 23 for space heating instructions Any use other than this purpose will release the manufacturer from any liability or warranty claims stemming from the issue of this product Consult local authorities AN CAUTION DO NOT STORE OR USE FLAMMABLE LIQUIDS VAPORS OR MATERIALS IN THE VICINITY OF THIS OR ANY OTHER APPLIANCE For installation on combustible flooring the tank leg thermal break piece identified as part No 13 on the replacement parts illustration must be installed under each leg INSTALLATION Location Select a location accessible to water lines gas supply type identified on the rating plate an adequate open drain and as close as practi cal to a chimney or gas vent When installed the water heater must be level To prevent excessive heat loss through water piping locate the water heater as close as practical to the areas of greatest hot water usage Do not locate the water heater where li
34. in with water heater severe burns instantly resulting in severe injury or death P Explosion Hazard Children the elderly and the physically or mentally disabled are at highest risk for scald injury Water temperature over 125 f 52 c can cause PAN Ww ARNING Overheated water can cause water tank explosion HOT Pe l IN Temperature limiting valves are available Properly sized temperature and pressure relief valve must be installed in opening provided Feel water before bathing or showering Read instruction manual for safe temperature setting N PAN WARNING VAN WARNING Fire or Explosion Hazard Breathing Hazard Carbon Monoxide Gas Do not store or use gasoline or other flammable vapors and liquids in the vicinity of this or any other appliance Install vent system in accordance with codes Avoid all ignition sources if you smell LP gas Do not operate water heater if flood damaged Do not expose water heater control to excesive gas pressure d si 0 High altitude orifice must be installed for operation above 7 700 feet 2 347m Use only gas shown on rating plate Do not operate if soot buildup Mantain required clearances to combustibles Do not place chemical vapor emitting products Keep ignition sources away from faucets after extended period of non use near water heater Gas and carbon monoxide detectors are available Read instruction manual before
35. installing using or servicing water heater Always read and understand instruction manual CAUTION N WARNING Improper installation and use may result in property damage Before servicing the water heater make sure the blower assembly is unplugged or the electrical supply to the water heater is turned OFF Do not operate water heater if flood damaged Inspect and replace anode Label all wires prior to disconnection when Install in location with drainage servicing controls Wiring error can cause Fill tank with water before operation improper and dangerous operation Verify proper Be alert for thermal expansion operation after servicing Failure to do this could result in death serious bodily injury or property damage Refer to instrucion manual for installation and service TABLE OF CONTENTS WARNINGS WARRANTY LIMITATIONS CONSUMER RESPONSABILITIES PRESSURE BUILD UP GENERAL INSTALLATION DRAFTHOOD LOCATION VENTING WATER CONNECTIONS amp GAS PIPING TYPICAL INSTALLATION SINGLE COMMERCIAL GAS MODEL TOP CONNECTIONS WITH RETURN CIRCULATION AIR SUPPLY ALL AIR FROM INSIDE THE BUILDING ALL AIR FROM OUTDOORS DISCHARGE OF PURGED GASES VENTING INSTALLATION SAFETY WARNING LP UNITS ANODES MULTIPLE HEATER INSTALLATION TEMPERATURE AND PRESSURE RELIEF VALVE FILLING HEATER WITH WATER INSTALLATION CHECKLIST NATURAL GAS MODELS L P GAS MODELS INSTRUCTIONS FOR CLEANING TANK TO RETURN WATER
36. nes could be subjected to freezing temperatures Adequate clearances shall be provided for easy access to controls by service personnel to enable proper cleaning servicing and operation of the water heater Under no circumstances is the front of the water heater to be placed in a position where the burner tray assembly cannot slide out for removal when servicing Clearance Flooring _ If the water heater is installed directly on carpeting it must be installed on a metal or wood panel which extends beyond the full width and depth of the water heater by at least 3 inches in any direction If the water heater is installed in an alcove the entire floor must be covered by the panel A minimum of 24 inches front clearance shall be provided for inspection and servicing This water heater may be installed in an alcove on combustible flooring with clearances from combustible materials as shown in Figures and 2 AN CAUTION The National Fuel Gas Code ANSI 2223 NFPA 54 expressly prohibits the following a Installation of a water heater in a bathroom bedroom or any occupied room normally kept closed b Installation of a water heater in a garage unless the unit is installed so that the burner and ignition devices are at least eighteen 18 inches above floor level and protected to avoid damage by moving vehicle See Figure 3 REMEMBER Flammable vapors may be drawn to this water heater from other areas of the structure by air currents CLEAR
37. normal and should not be confused with a leaking tank The water will be noted at different times of the year and in varying quantities BEFORE PLACING THIS WATER HEATER IN OPERATION SEE CONDENSATION ON PREVIOUS PARAGRAPH FOR YOUR SAFETY READ BEFORE OPERATING 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 must be lighted by hand B BEFORE OPERATING 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 Do not try to light any appliance Do not touch any electric 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 C Use only your hand to push in or turn the gas valve 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 D Do not use this appliance if any part has been under water Immediately call 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 OPERATING INSTRUCT
38. ommunicate directly with an additional room s of sufficient volume each opening shall have a minimum free area opening of sq in per 1000 BTUH of the total input rating of all gas appliances in the confined space but not less than 100 sq inches 2 If the openings communicate directly with the outdoors or through vertical ducts with the outdoors each opening shall have a minimum free area of sq in per 4000 of the total rating of all gas appliances in the enclosure 3 If the openings communicate with the outdoors through horizontal ducts each opening shall have a minimum free area of sq in per 2000 BTUH of the total rating of all gas appliances AN CAUTION The draft diverter relief opening of the water heater and the combustion air inlet must be in the same atmospheric pressure zone Large exhaust fans in kitchens or other locations can lower the air pressure inside an enclosure and interfere with proper operation and venting of the water heater In these cases the water heater should be installed in a separate room with combustion and ventilation air supplied directly from outdoors as previously described Corrosive Atmosphere Water heater corrosion and component failure can be caused by the heating and breakdown of airborne chemical vapors Spray can propellants cleaning solvents refrigeration and air conditioning refrigerants swimming pool chemicals calcium and sodium chloride waxes and process chemicals are typical compoun
39. operating costs Install adequate heater Check with utility repair at once Replace with correct orifice Turn temperature dial to desired temperature Insufficient hot water Install adequate heater Clear the area near the heater Siew water Replace with correct orifice recovery Turn temperature dial to desired temperature Clean out sediment Refer to Page 22 Install adequate heater Drip from relief valve Use pressure reducing valve Thermostat fails to close Replace with new thermostat Condensation See Page 3 Combustion Odors Provide ventilation to heater Clean check for source of trouble amp correct Provide ventilation to heater Smoking and UY carbon formation Replace with correct orifice Clean check for source of trouble amp correct Provide ventilation by use of louvers in wall or duct 27 28 REPLACEMENT PARTS LIST SEE FIGURE 15 E PARTS REPLACEMENT MUST BE PERFORMED BY A QUALIFIED INSTALLER SERVICE AGENCY OR GAS SUPPLIER The following parts may be ordered through your plumber a local plumbing supply company or direct from the factory Parts will be shipped at prevailing prices and will be billed accordingly Refer to warranty for company address IMPORTANT When ordering replacement parts provide model number serial number type of gas item number from the following list part description voltage and wattage when applicable It is imperative that replacement of main burner orifices pilot burner and gas val
40. period of time generally two weeks or more HYDROGEN GAS IS EXTREMELY FLAMMABLE To prevent the possibility of injury under these conditions we recommend the hot water faucet be opened for several minutes at the kitchen sink before you use any electrical appliance which is connected to the hot water system Do not light a cigarette cigar or pipe Do not smoke If hydrogen is present there will probably be an unusual sound such as air escaping through the faucet as the water begins to flow Remember no smoking or open flame near the faucet at the time it is opened TEMPERATURE AND PRESSURE RELIEF VALVE For protection against excessive pressures and or temperatures a temperature and pressure relief valve must be installed in the opening marked temperature and pressure relief valve A design certified by a nationally recognized testing laboratory that maintains periodic inspection of production of listed equipment or materials as meeting the requirements for Relief Valves and Automatic Gas Shut off devices for Hot Water Supply Systems ANSI Z21 22 Pressure rating of the valve must not exceed the working pressure shown on the rating plate of the water heater Relief piping must terminate 6 inches above a floor drain or external to the building Do not thread cap or plug the end of this discharge line Be certain that no contact is made with any live electrical part Do not connect discharge line directly to drain Figure 5 To prevent bod
41. position way hold until pilot lights Continue to hold the button for 11 Set temperature dial to desired setting one 1 minute after the pilot was lighted Release the reset 12 Replace outer door button and it will pop back up Pilot should remain lit If it goes out repeat steps 3 through 8 _ _ RESET BUTTON BAR BAR a a X GAS CONTROL KNOB Pa l J Gas control knob in position TEMPERATURE DIAE _ Temperature Dial Point 6 For Gas Natural For Gas LP d Point 3 and 11 For Gas LP 21 TO TURN OFF GAS TO APPLIANCE I Set the thermostat to lowest setting 2 Turn off all electrical power to the appliance if service is to be performed 3 Turn the gas valve knob clockwise X to OFF position WATER TEMPERATURE REGULATION nh The temperature of the water in the heater can be regulated by the setting of the temperature dial on the thermostat To adjust the temperature setting rotate dial to desired temperature setting Fig 12 Water temperatures over 25 F can cause severe bums instantly or death from scalds Children disabled and elderly are at highest risk of being scalded Feel water before bathing or showering Temperature limiting valves are available and should be installed when lower outlet temperatures are required TEMPERATURE CONTROL 130 F BAR 120 F BAR Temperature Dial Figure 12 22 GAS PRESSURE m With the water heater in operation main burner on t
42. rmine that the main burner flames are burning correctly without lifting floating or flashing back and that the air CI shutters should be adjusted and locked to a position that results in correct burner flame pattern see page 14 after to turn on water heater E VENTING CI Draft diverter properly installed LI Vent connector s securely fastened together with screws LI Vent connector s at least 6 from combustible material LI Check with spill test NATURAL GAS MODELS IF YOU SMELL GAS Open windows 2 Get all people out of the building 3 DO NOT light matches 4 DO NOT touch electrical switches on or off 5 Extinguish any open flames 6 Use an outside phone and immediately call the gas company and the fire department Ask for instructions Before hanging up give your name and address 7 DO NOT go back into the building If help is coming wait for it outside of the building L P PROPANE BOTTLED GAS MODELS L P GAS IS HEAVIER THAN AIR Should there be a leak in the system the gas will settle at FLOOR LEVEL Basements crawl spaces skirted areas under mobile homes even when ventilated closets and areas below ground level will serve as pockets for the accumulation of gas BEFORE LIGHTING sniff at FLOOR LEVEL IF YOU SMELL GAS FOLLOW THESE RULES Open windows 2 Get all people out of the building 3 DO NOT light matches Extinguish any open flame 4 DO NOT touch electrical switc
43. ssure relief valve must be installed on the water heater 150 PSI maximum pressure setting See Temperature and Pressure Relief Valve To prevent the temperature and pressure relief valve from discharging hot water loss of energy and reduce the possible build ip of lime on the temperature and pressure relief valve seat WARNING CLOSED WATER SYSTEMS A If the water supply system contains a check valve back flow preventer or water pressure reducing valve you will have closed water system and the pressure will build up during the water heating cycle The temperature and pressure relief valve on the water heater will leak during the water heating cycle resulting in loss of energy To prevent the build up of lime in the T amp P v alve and damage to the water heater by pressure surges you must install an expansion tank on the cold water supply line The thermal expansion tank should have a minimum capacity of 4 5 U S gallons It requires both T amp P valves and expansion tanks for closed system Multiple water heating system and or a system with additional storage tank must be sized by thermal expansion tank manufacturer WARNING FAILURE TO PROVIDE AN EXPANSION TANK ON THE COLD WATER LINE ON A CLOSED SYSTEM WILL VOID THE WARRANTY ON THE WATER HEATER FOR YOUR SAFETY J Do not use or store gasoline or any other flammable vapors liquids or materials in vicinity of this or any other appliance FOR YOUR SAFETY WHAT TO DO IF YOU SMEL
44. ter can be hot 5 Remove jacket clean out cover from jacket 4 screws Part No 6 on page 29 6 After the water heater has been drained remove the hex head bolts and the plate will come loose If necessary tap lightly on the outside edge 7 After tank has cooled remove loose scale and lime deposits from inside tank being careful not to break glass lining TO RETURN WATER HEATER TO OPERATION Re install seal l 2 Re install hand hole plate with the hex head bolts inserting all bolts in place before beginning final tightening Tighten bolts rotating on opposite sides rather than in a continuous circular pattern 3 Tighten water connection Open cold water inlet valve to fill tank When water flows in a steady even stream close hot water faucet previously opened 4 Turn on gas supply to heater 5 Using lighting instructions located on jacket of heater put heater into operation VACATION 4 When the heater is not to be used for extended periods of time vacations etc turn the temperature dial to its lowest setting This will maintain the water at relatively low temperatures with minimum energy losses and prevent the tank from freezing during cold weather When making adjustments to the thermostat temperature setting refer to the section on THERMOSTAT Also refer to Page 14 WARNING HYDROGEN GAS 20 COMBINATION SPACE HEATING POTABLE WATER HEATING SYSTEM When using this heater as a source of heat for a com
45. than 50 sq ft ALL AIR FROM INSIDE THE BUILDING The confined space shall be provided with two permanent openings communicating directly with an additional room s of sufficient volume so that the combined volume of all spaces meets the criteria for an unconfined space shall be considered in making this determination Each opening shall have a minimum free area of square inch per 1 000 BTU per hour of the total input rating of all gas utilization equipment in the confined space but not less than 100 square inches 41 CHIMNEY OF GASVENT Figure 6 One opening shall be within 12 inches of the top and one within 12 inches of the bottom of the enclosure Heater 12 MAX AIR DUCT 10 ALL AIR FROM OUTDOORS The confined space shall be provided with two permanent openings one commencing within 12 inches of the top and one commencing within 12 inches of the bottom of the enclosure The openings shall communicate directly or by ducts with the outdoors or spaces crawl or attic that freely communicate with the outdoors When directly communicating with the outdoors each opening shall have a minimum free area of square inch per 4 000 BTU oer hour of total input rating of all equipment in the enclosure Figure 7 CHIMNEY OF GASVENT Figure 7 One opening shall be within 12 inches of the top and one within 12 inches of the bottom of the enclosure Water Heater 12 MAX MIN
46. urn 0 Qca Shut off valve sq Hot water Backe fow 4 preventers m Shut off valve 2 Water supply Shut off valve Union Pa N Expansion tank Union AIR SUPPLY Important air for combustion and ventilation must not come from a corrosive atmosphere Any failure due to corrosive elements in the atmosphere is excluded from warranty coverage The following types of installation not limited to the following will require outdoor air for combustion due to chemical exposure and may reduce but not elminate the presence of corrosive chemicals in the air Beauty shops Photo processing labs Buildings with indoor pools Water heaters installed in laundry lobby or craft rooms Water heaters installed in chemical storage areas Combustion air must be free of acid forming chemicals such as sulfur fluorine chlorine These elements are found in aerosol sprays detergents bleaches cleaning solvents air fresheners paint and varnish removers refrigerants and many other commercial or household products When urned vapors from these products form highly corrosive acid compounds These products should not be stored or used near the water heater or air inlet Combustion and ventilation air requeriments are determinated by the location of the water heater The water heater may be located in either an open unconfined area or in a confined area or small enclosure such as a closet or small room Confined spaces are areas with less
47. ve be ordered for the gas type Natural gas valves will be marked with a 5 0 w c manifold pressure setting see rating plate L P Gas valves will be marked with a 10 0 w c setting QUANT QUANT 75 76 G 75 PART NO DESCRIPTION 100 83 G 100 DRAFTHOOD 2 ANODE ROD 2 3 DIP TUBE 4 FLUE BAFFLE 5 P amp T VALVE 6 HAND HOLE COVER JACKET Not applicable 7 HAND HOLE SEAL NOT PICTURED Not applicable 7a HAND HOLE PLATE Not applicable 8 DRAIN VALVE 9 BURNER 10 THERMOSTAT E MAIN BURNER MANIFOLD l 12 PILOT BURNER ASSEMBLY l 13 TANK LEG THERMAL BREAK KIT KIT REQUIRED ON ALL COMBUSTIBLE FLOOR INSTALLATIONS 14 VENTURI FOR L P GAS BURNER REPLACEMENT PARTS ILLUSTRATION STANDARD MODEL SHOWN Figure 15 29 COMBINATION SPACE HEATING POTABLE WATER HEATING SYSTEM WATER POTABLE HEATING AND SPACE HEATING NON SCALD TEMPERING VALVE SUGGESTED PIPING ARRANGEMENT FOR TOP CONNECTIONS RETURN FROM HEAT EXCHANGER Figure 16 ks 30 American Standard Water Heaters 561 New York Drive Pomona California 91768 Commercial Assistance 800 900 9063 7 Fax 909 392 7302 Residential Assistance 888 883 0788 Fax 775 853 7525

operating, installation and service manual

Contents

Download Pdf Manuals

Related Search

Related Contents