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Manual - American Standard Water Heaters

1. 0 m ul C A COMBUSTION AIR INLET PIPE 2 OR 3 EXHAUST PIPE 2 OR 3 NOTES SUPPORT HORIZONTAL PIPE EVERY THREE FEET SUPPORT VERTICAL PIPE EVERY FIVE FEET 2 INCREASE THE 12 INCHES MINIMUM ABOVE GRADE TO KEEP TERMINAL OPENING ABOVE ANTICIPATED SNOW LEVELS CONDENSATE TRAP 0 0 nn by O DRAIN PAN TO DRAIN SA PIPED TO LE ADEQUATE DRAIN GAS REQUIREMENTS Read the data plate to be sure the water heater is made for the type of gas Note An odorant is added by the gas you will be using This information will be found on the data plate located supplier to the gas used by this water heater This odorant may fade over an extended near the gas control valve If the information does not agree with the type of period of time Do not depend upon this gas available do not install Call your dealer MEME odorant as indication of leaking gas GAS PIPING INSTALLATION 23 All piping must comply with local and state ordinances or with the National Fuel Gas code ANSI 2223 NFPA 54 whichever applies Use clean black iron pipe or equivalent material approved by local codes an
2. a minimum clearance value determined by testing in accordance with section 2 20 b Areference to the following footnote 19 20 CONCENTRIC VENT TERMINATIONS For planning purposes see figures 18 19 amp 20 for vent terminal specifications Figure 19 Through The Wall Termination 3 Concentric Vent Piping 45 Elbow Figure 21 Through the Wall Termination Concentric Vent Combustion Air Figure 18 2 inch Concentric Vent 33 375 2 Dia Vent Exhaust 2 Dia PVC Inlet Combustion Air Exhaust Figure 20 Through The Roof Termination 12 Minimum clearance above anticipated snow level Max Roof boot flashing 45 Elbow 18 MAX 0 12 MIN ABOVE GRADE OR ANTICIPATED SNOW LEVEL SEE NOTE 2 2 OR 3 TEE WITH DRIAN TRAP NOTES SUPPORT HORIZONTAL PIPE EVERY THREE FEET INCREASE THE 12 INCH MINIMUM ABOVE GRADE TO KEEP INLET OPENING ABOVE ANTICIPATED SNOW LEVELS SLOPE ALL 2 PIPING 1 4 PER FOOT DOWN TOWARD WATER HEATER 3 PIPING SLOPES AT 1 8 PER FOOT DOWN TOWARD WATER HEATER n SEE NOTE 1 D C9 62 N
3. 9 2 T amp P 3 VACUUM BREAKER E d iS 7 RELIEF COLDWATER SUPPLY AT Figure 8 Typical Four Water Heater Connection OUTLET OUTLET OUTLET lt lt gt RELIER VACUUM BREAKER VALVE COLDWATER SUPPLY 41 cu gn j 1 iS INLET INLET INLET CLEARANCES AND ACCESSIBILITY 2 CN Important If installing over N ff CN carpeting the carpeting must be protected by a metal or wood 97 7 panel beneath the water heater bom protective panel must NW 3 extend beyond the full width and 00 m depth of the water heater by Notice Minimum Figure 9 Minimum at least 3 inch
4. clearances not specified in ANSI 2223 1 NFPA 54 or 49 1 one of the following shall be indicated a A minimum clearance value determined by testing in accordance with section 2 20 b Areference to the following footnote Figure 17 Other Than Direct Vent Terminal Clearances VENT TERMINAL 09 AIR SUPPLY INLET AREA WHER INSIDE CORNER Ox DETAIL E TERMINAL IS NOT PERMITTED MAM t gt 5 SENS WO NN US installations A Clearance above grade veranda porch deck of balcony 12 inches 30 cm B Clearance to window or door that may be opened 4 feet 1 2 m below or to side of opening foot 300 mm above opening C Clearance to permanently closey window D Vertical clearance to ventilated soffit located above the terminal within a horizontal distance of 2 feet 6 cm from the center line of the terminal E Clearance to unventilated soffit J Yr Y P um F Clearance to outside corner uu M M M M r M M Hn M M ni Xenm Maze G Clearance to inside corner T H Clearance to each side of center line extended abov
5. COMBUSTION AIR INLET PIPE 2 OR 3 O ar TO DRAIN EXHAUST PIPE 2 OR 3 CONDENSATE TRAP ASSEMBLY N TO DRAIN 9 33 DRAIN PAN PIPED TO ADEQUATE DRAIN 7 1 py INLET OUTLET VENT TERMINATIONS STANDARD HORIZONTAL The standard horizontal air inlet termination is a pipe which terminates terminates at the exterior wall and utilizes a coupling to prevent the pipe from being pushed back into the structure The standard horizontal exhaust outlet termination is a pipe which terminates 2 inches from the outside wall The air inlet must be located with respect to the exhaust outlet as shown in FIGURE 23 bottom Install a coupling at the outside wall in both the inlet and exhaust to prevent the terminations from being pushed inward Install a drain tee assembly and trap in the inlet vent as close to the water heater as possible This is to drain any water that may be in the combustion air pipe and prevent it from entering the blower Connect the trap drain line to a suitable drain or downstream of the condensate trap of the water heater 21 ALTERNATIVE HORIZONTAL TERMINATION The combustion air and exhaust terminations may be raised up to 24 inches above the wall penetrations if required for anticipated snow levels see FIGURE
6. riy an physically or mental disabled are at CONTAMINATION THAT MAY BE HAZARDOUS TO SUCH CONDITION COULD AFFECT HOT patning Gr BURNER FLAME CAUSING CARBONING OR 7 showering imi SOOTING OF THE COMBUSTION CHAMBER BURNERS AND FLUE TUBES AND CREATES TRE E RISK OF ASPHYXIATION MECHANICAL EXHAUSTING OF ROOM AIR WHERE AN EXHAUST FAN IS INSTALLED IN THE SAME ROOM Aa WARNING WITH A HEATER SUFFICIENT OPENINGS FOR AIR MUST BE PROVIDED IN THE WALLS UNDERSIZED OPENINGS WILL CAUSE AIR TO BE DRAWN INTO Overheated water can cause THE ROOM THROUGH THE HEATER S VENTING water tank explosion SYSTEM CAUSING POOR COMBUSTION e Properly sized temperature SOOTING MAY RESULT IN SERIOUS DAMAGE and pressure relief valve TO THE HEATER AND RISK OF FIRE OR EXPLOSION CAN ALSO CREATE A RISK provided OF ASPHYXIATION WARRANT Y LIMITATIONS TABLE OF Contents THE MANUFACTURER OF THIS WATER HEATER WILL NOT BE RESPONSIBLE FOR TANK FAILURES OR WATER HEATER FAILURES RESULTING FROM Item Page ANY OF THE FOLLOWING CONDITIONS AND CONSUMER S RESPONSIBILITIES MAY AT IT S DISCRETION VOID THE WATER HEATER WARRANTY WHEN THESE CONDITIONS RESULT IN PREMATURE FAILURES OF THE TANK TECHNICAL SPECIFICATIONS 3 OR COMPONENTS INSTALLATION CHECK LIST 4 WATER PIPING CONNECTIONS amp T amp P VALVE 5 CLOSED WATER SYSTEMS 7 2 FAILURES DUE T
7. Metal Drain Pan Piped to adequate dran At least two inches greater than the largest diameter of the water heater LOCATION REQUIREMENTS If installed in a garage avoid damage Figure 2 Vehicle Stop in Garage 4 WARNING FIRE AND EXPLOSION HAZARD Can result in serious injury or death Do not store or use gasoline or flammable vapors and liquids in the vicinity of this or any other appliance Storage of or use of gasoline or other flammable vapors or liquids in the vicinity of this or any other appliance can result in serious injury or death SS 66 to your water heater by installing a MENU u CON ow vehicle stop as shown in figure 2 ON EN Check state and local codes for GARAGE 2 requirements prior to installation LES Q px This water heater is not certified for installation in mobile homes NOTE In the State of California the water heater must be braced anchored or strapped to avoid moving during an earthquake Contact local utilities for code requirements in your area or call 1 800 456 9805 and request instructions The water heater must be installed indoors and in a vertical position on a level surface DO NOT install i
8. co a WATER HEATER SUPPORT BRACKET gt gt gt EVERY 5 MIN Do not expose any 3 x 2 reducers or bushings to outdoor ambient temperatures The air inlet and exhaust outlet must not terminate under a patio deck or any covered area Do not terminate the vent near walkways or into alleys or other publicly accessible areas Do not terminate the vent in an area where children or animals could block pipes Do not locate the vent terminal too close to shrubs or bushes Caulk all cracks seams and joints within 6 feet horizontally above and below the vent For two pipe systems combustion air inlet termination and exhaust air termination must be located in the same pressure zone The vent for this appliance shall not terminate over public walways or near soffit vent or crawl space vents or other areas where condensation or vapor could create a nuisance or hazard or cause property damage or where condensate or vapor could cause damage or be detrimental to the operation of regulators relief valves or other equipment 90 EXHAUST TERMINAL q a 36 VENT SEPARATION IN ANY DIRECTION DRAIN PAN E THROUGH THE WALL VENTING WITH LOW GROUND CLEARANCE Whe
9. sweep type elbows see figure 1 VENT PIPE INSTALLATION a The following guidelines should be followed when installing the air inlet and exhaust outlet piping Venting should be as direct as possible with a minimum number of pipe fittings Vent diameter must not be reduced unless specifically noted in the installation instructions All 2 inch horizontal vent piping must be sloped upward 1 4 per foot 3 inch piping must be sloped upward 1 8 per foot So that condensate will run back to the heater and exit through the condensate trap Support all horizontal pipe runs every 4 feet and all vertical pipe runs every 6 feet or according to local codes If runs are made in areas where below freezing temperatures are expected piping should be properly protected to prevent freezing For horizontal runs wrap the pipe with nationally recognized listed heat tape and or approved insulation for freeze protection Install per the manufacturer s instructions Figure 11 Correct amp Incorrect Pipe Fittings Correct Fittings P E Go 5 Sweep Elbow 45 Sweep Elbow 90 Short Sweep Elbow Incorrect Fittings 45 Vent Elbow 90 Vent Elbow The piping and termination may be installed in one of the following type terminations Standard Horizontal One or Two Pipe 2 Vertical One or Two Pipe 3 Concentric Vent Through the Wall Direct Vent Only 4 Concentric Vent Through the Roof D
10. Read the safety information above on this label 6 Turn on the electricity to the appliance The green power 9 This unit is provided with a group of signal lights that 2 Set the thermostat counterclockwise to lowest setting light will glow indicate operating status These three colored lights are 7 Turn the thermostat clockwise 7 to the desired setting visible when looking at the top cover panel of the The yellow light will glow when the thermostat appliance The lights are organized with the following calls for heat After 35 seconds the burner will fire and the operating conditions indicated by each light red burner light will glow Green light line voltage electric power is turned on to the unit 3 Turn off all electrical power to the appliance 4 This appliance is equipped with an ignition device which automatically lights the burner Do not try to light the burner by hand Middle yellow light there is a call for heat This means that the normal ignition sequence in operation mode is expected to start or has started 5 To clear any gas that may have accumulated wait ten 10 8 If the appliance will not operate after three automatic tries Red light the gas valve is open and gas is flowing and minutes If you smell gas STOP Refer to B in the safety follow these instructions once more If the appliance still burning in the appliance information above to the left on this label If you don t refuses to lig
11. or polybutylene PVC water piping may be used on the cold water inlet supply but not within 8 inches of the cold water connection on the water heater DO NOT use PVC piping on the hot water outlet space heating supply or space heating return e NOT use any pumps valves or fittings that are not compatible with potable water DO use valves that may cause excessive restriction to water flow Use full flow ball or gate valves only DO NOT use 50 50 tin lead solder or any lead based solder in potable water lines Use 95 5 solder or other equivalent material e DO NOT tamper with the thermostat gas valve blower electrical components or temperature and pressure relief valve Tampering with any of the components is dangerous and can result in death severe injury or property damage Tampering voids all warranties Only qualified technicians should service these components e DO NOT use this water heater as a replacement for an existing boiler installation e DO use with piping that has been treated with chromates boiler seal or other chemicals e DO NOT add any chemicals to the system piping which will contaminate the potable water supply PRESSURE BUILDUP IN CLOSED WATER SYSTEMS The water utilities supply meter may contain a check valve back blow preventer or water pressure reducing valve This will create a closed water system During the heating of the water water expands creating a pressure bu
12. you should not proceed but get help Important DO NOT REMOVE any from a qualified person for that part of the installation you do not understand permanent instructions labels or the Failure to follow this warning can result in an incorrect installation that data label from outside of the water result in DEATH INJURY OR PROPERTY DAMAGE heater or on the inside of panels This water heater is design certified by CSA International as both a direct vent Remove exterior packaging and and a non direct vented water heater which takes its combustion air either place installation components aside from the installation area or from air ducted to the unit from the outside Inspect all parts for damage prior to installation and startup Completely read all instructions W Important WARNINGS AN before attempting to assemble and install this product When referring to your water heater always have the information listed on the rating plate readily available DO NOT use this appliance if any part has been under water Immediately call a qualified service technician Water heaters subjected to flood conditions or anytime the gas controls main burner or pilot have been submerged in water require replacement of the entire water heater LOCATION Important 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 s
13. 23 EXHAUST OUTLET Figure 22 Alternate Horizontal Termination INLET SEE NOTE 1 c 5 2 1 12 MIN ABOVE GRADE OR ANTICIPATED SNOW LEVEL SEE NOTE 3 2 OR 3 TEE WITH DRIAN TRAP NOTES 1 SUPPORT HORIZONTAL PIPE EVERY FOUR FEET SUPPORT VERTICAL PIPE EVERY SIX FEET INCREASE THE 12 INCH MINIMUM ABOVE GRADE TO KEEP TERMINAL OPENINGS ABOVE ANTICIPATED SNOW LEVELS SLOPE ALL 2 PIPING 1 4 PER FOOT DOWN TOWARD WATER HEATER 3 PIPING SLOPES AT 1 8 PER FOOT DOWN TOWARD WATER HEATER M w EXHAUST PIPE 2 OR 3 CONDENSATE TRAP ASSEMBLY TO DRAIN dp vt Q COMBUSTION AIR INLET PIPE 2 OR 3 DRAIN PAN PIPED TO DRAIN OPTIONAL TERMINATION ROTATE PIPE TO CORRECT INLET EXHAUST ORIENTATION PIPE LENGTH NOT TO EXCEED 30 Figure 23 Standard Horizontal Termination Direct Vent Configuration 22 32 VE
14. 3 N A 130 15 120 115 110 105 Horizontal NOTES N A Not Applicable m Elbows used in vent system must be of street type not of short hard turn type Two 45 elbows are considered equivalent to one 90 elbow B A 90 elbow is considered equivalent 5 of vent The above stated vent lengths of Table 1 apply only for the outlet pipe system starting at the condensate trap m Minimum length requirement is 12 equivalent feet of piping combinations of elbows and straight pipe 2 piping may be used for the 125 000 150 000 199 000 and 250 000 BTU Hr input models however on vent systems of over 25 it is recommended to use 3 piping to vent models of 250 000 BTU Hr inputs in order to maintain highest firing rates and to reduce back pressure B Use an outlet reducer 2 to 1 5 for 150 000 inputs and 2 to for 125 000 BTU Hr inputs when vent outlets are less than 25 in Number of 90 Elbows long street style elbows only Went 0 1 2 3 4 5 6 type 2 N A 60 55 50 45 40 35 Horizontal 2 60 55 50 45 40 35 Concentric 3 N A 130 15 120 115 110 105 Horizontal 3 N A 130 15 120 115 IO 105 Concentric NOTES N A Not Applicable Elbows used in vent system must be of street type not of short hard turn type Two 45 elbows are considered equivalent to one 90 elbow A 90 elbow is considered equivalent to 5 of vent The above stated vent lengths of Table 2 apply for b
15. 8 per foot Away from corners other vents windows etc ALTERNATE HORIZONTAL VENT TERMINATION Correct relationship outlet to inlet 12 Min above anticipated snow level Away from corners other vents windows etc VERTICAL VENT TERMINATION SINGLE TUBE nlet 12 Min above grade snow level Correct relationship outlet to inlet Away from corners other vents windows etc CONCENTRIC VENT 2 Min above grade snow level m Away from corners other vents windows etc WATER SYSTEM PIPING m Temperature and pressure relief valve opening facing downward with a discharge line run to an open drain and protected from freezing m All piping properly installed and free of leaks Heater completely filled with water A properly sized expansion tank must be installed all closed systems Tempering valve properly installed per manufacturer s instructions if desired GAS SUPPLY AND PIPING Adequate size for BTU input Gas supply is the same type as listed the water heater data plate Gas line equipped with full opening shut off valve union and drip leg Approved pipe joint compound used WATER PIPING m Chloride free soap and water solution or other approved means used to check all connections and fittings for possible gas leaks ELECTRICAL CONNECTIONS Unit connected to a dedicated power supply Unit connected to 120V electrical supply Pro
16. BY CHEMICALS OR SOLVENTS SERIAL NUMBER 1 0 0 0 0 0 BEING STORED IN THE IMMEDIATE VICINITY INSTALLATION ADDRESS OF THE WATER HEATER WARNING DATE OF INSTALLATION IMPROPER INSTALLATION ADJUSTMENT ALTERATION SERVICE OR MAINTENANCE CAN CAUSE INJURY DEATH OR PROPERTY DAMAGE READ AND REFER TO THIS MANUAL THIS WATER HEATER HAS BEEN INSTALLED IN ACCORDANCE WITH THESE INSTALLATION INSTRUCTIONS AND LOCAL CODE REQUIREMENTS INSTALLER THIS WATER HEATER MUST BE PROPERLY AND REGULARY MAINTAINED FAILURE TO DO SO WILL VOID THE WARRANT Y CONSUMER RESPONSIBILITIES m WARNING THIS MANUAL HAS BEEN PREPARED TO ACQUAINT YOU WITH THE INSTALLATION OPERATION AND MAINTENANCE OF YOUR GAS UNPACKING THE WATER HEATER WATER HEATER AND TO PROVIDE IMPORTANT SAFETY INFORMATION Use two or more people to WE URGE YOU TO READ ALL INSTRUCTIONS THOROUGHLY BEFORE move and install water heater ATTEMPTING INSTALLATION OR OPERATION OFYOUR WATER HEATER unless proper handling KEEP THESE INSTRUCTIONS FOR FUTURE REFERENCE equipment is utilized Failure to The manufacturer of this water heater will not be liable for any damages do so can result in back or other caused by failure to comply with the installation and operating instructions injury 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
17. operational and is expected to start specific failure being signaled by the flashing LED lights or has started Right red light che gas valve is open gas is flowing and ignited within the unit 28 FOR YOUR SAFETY READ BEFORE WARNINGS If you do not follow these instructions exactly a fire or explosion may result causing property damage personal injury or loss of life This appliance does not have a pilot is equipped with an ignition device which automatically lights the burner Use only your hand to push gas control switch Never use tools If Do not try to light the burner by hand the switch will not push in don t try to repair it call a qualified service 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 D Do not use this appliance if any part has been under water Immediately WHAT TO DO IF YOU SMELL GAS call a qualified service technician to inspect the appliance and to replace Do not try to light any appliance Do not touch any electric switch Do not use any phone in your building any part of the control system and any gas control which has been Immediately call your gas supplier from a neighbor s phone Follow the gas supplier s instructions nder water If you can not reach your gas supplier call the fire department OPERATING INSTRUCTIONS 1 STOP
18. 2 Install the exhaust vent and air intake plastic pipes as shown The installation must meet the local codes and or The National Fuel Gas Code ANSI 2223 Latest Edition Installation Code Requirements E THROUGH THE WALL VENTING wiTH LOW GROUND CLEARANCE When venting cannot exit through the wall at a height greater than or equal to 12 30 5 cm or above expected snow level from the ground then the instal lation must be modified as shown in Figure 3 for maximum venting links using 2 5 1 cm or 3 7 6 cm diameter plastic pipe See tables and 2 on venting on Page 14 Figure 15 Typical Vertical Power Vent System Installation 90 EXHAUST TERMINAL 90 INTAKE TERMINAL gt 2 OR 3 PVC PIPE WATER HEATER SUPPORT BRACKET N DRAIN PAN 18 Figure 16 Direct Vent Terminal Clearances SIDE CORNER DEI o7 x 2 O N S VENT TERMINAL 6 AIR SUPPLY INLET AREA WHERE TERMINAL IS NOT PERMITTED US installations A Clearance above grade veranda porch deck of 12 inches 30 cm balcony B Clearance to window or door that may be opened 6 inches 15 cm for appliances lt 10 000 Btuh 3kW 9 inches 23 cm for appliances gt 10 000 Btuh 3 kW and lt 50 000 B
19. 99 76 7 8 7 1 4 71 1 2 68 1 8 9 1 4 58 28 3 8 5 1 2 70 1 4 1 2 1 2 3 4 490 100 250 76 7 8 7 1 4 71 1 2 68 1 8 9 1 4 58 28 3 8 5 1 2 70 1 4 1 2 1 2 490 HE 100 250 ASME 76 7 8 7 1 4 70 1 2 68 1 8 9 4 58 28 3 8 5 1 2 70 1 4 1 2 1 2 490 A S 2 lt 2 2 0 lt OUTLET NPT a 7 45 z B Co GAS VALVE PIPING NPT B UJ AIR INTAKE 2 T amp P RELIEF VALVE G D F CLEANOUT 3 0 EXHAUST 2 Y INLET gt E NPT DRAIN a H roy 4 WARNING Install Vent system in accordance with codes Breathing Hazard Carbon Monoxide Gas JN WARNING If replacing an existing water heater the venting system must be reviewed to be certain it complies with the requirements in this manual A INSTALLATION CHECK LIST Do not operate water heater if flood damaged Do not operate if soot build up is present Do not obstruct water heater air intake with insulating jacket Do not place chemical Vapor emitting products near water heater Gas and Carbon monoxide detectors are available Breathing carbon monoxide can cause brain damage or death Always read and understand instruction manual This is presented fo
20. EMOTE MOUNT POTENTIOMETER 0 5 78 KOHM 140 CONTROL KNOB FOR POTENTIOM I4E GREEN INDICATOR LAMP YELLOW INDICATOR LAMP 4 46 INDICATOR LAMP 4 FOR INDICATOR LAMP 41 WHITE 24V LED WITH BASE 14 BLACK LED BASE 4 gt CABLE GLAND w w m 6 American Staudard Water Heaters 2808 Metropolitan Place Pomona CA 91767 800 900 9063 909 392 0230 Fax 909 392 7302 181414 Rev 02 August 2010
21. ERED WATER TO FIXTURES Figure 5 Water Piping Connections TEMPERING VALVE HEAT TRAP ANTI SCALDING VALVE UNIONS p SET TO 120 F OR LOWER v INLET LINE TO THE NOTES OPTIONAL REQUIRED FOR DUAL THE PRESSURE WATER TEMPERATURES STRUCTURE ORDER HOT OUTLET TO REDUCE PRESSURE i REDUCING VALVE MUST BE INSTALLED ON THE EE MAIN COLD WATER IN THE ENTIRE WATER SYSTEM MASSACHUSETTS INSTALL A VACUUM RELIEF IN COLD WATER LINE PER SECTION 19 MGL 142 THERMAL EXPANSION TANK OTHER AREAS CHECK LOCAL CODES PRESSURE REDUCING VALVE IF REQUIRED DRAIN PA Ly Py MAIN WATER 6 MAX ABOVE DRAI is s o jl g L L 4 20 SUPPLY DRAI COLD INLET acu WER INLET VALVE Figure 6 Typical Two Water Heater Connection OUTLET OUTLET 0 T amp P VACUUM BREAKER v COLDWATER SUPPLY INLET 10 Figure 7 Typical Three Water Heater Connection OUTLET OUTLET OUTLET
22. HE INSTALLATION AND USAGE OF GAS WATER HEATERS The California Safe Drinking Water and Toxic Enforcement A WARN ING Act requires the Governor of California to publish a list ENTENDER ENSURE of substances known to the State of California to cause manual and safety messages cancer birth defects or other reproductive harm and before installing operating or servicing this water heater requires businesses to warn of potential exposure to such Failure to follow instructions and substances safety messages could result in death or serious injury Instruction manual must remain WARNING This product contains a chemical with water heater known to the State of California to cause cancer birth defects or other reproductive harm This appliance can cause low level exposure to some of the substances listed including formaldehyde carbon PIN WARNING monoxide and soot For continued protection against AIR REQUIREMENTS KEEP APPLIANCE AREA bentes CLEAR AND FREE OF COMBUSTIBLE MATERIALS Do not install water heater on GASOLINE AND OTHER FLAMMABLE VAPORS AND LIQUIDS DO NOT OBSTRUCT THE FLOW OF COM e Do not operate water heater if flood damaged BUSTION AND VENTILATING AIR WARNING FOR SAFE OPERATION PROVIDE ADEQUATE AIR FOR COMBUSTION AND 4 DANGER 2 VENTILATION INSUFFICIENT SUPPLY OF one is AIR WILL CAUSE RECIRCULATION OF YN m COMBUSTION PRODUCTS RESULTING
23. High Efficiency Models HE 70 125 HE 100 150 HE 100 199 amp HE 100 250 Americanu Staudard Water Heaters New standards in water heating Operating installation and service manual Commercial Gas Water Heater E 181414 Rev 02 August 2010 Operating installation and service manual AMERICAN STANDARD WATER HEATERS HIGH EFFICIENCY MODELS HE70 125 HEI00 150 100 199 amp HEI00 250 REQUIRES 120 V A C POWER SUPPLY American Standard Water Heaters http www waterheating com WARNING If the 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 CAUTION ruis wATER DO NOT try to light any appliance HEATER SHOULD NOT BE USED DO NOT touch any electric switch do not use any phone in your building TO HEAT A SPA OR HOT TUB 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 Installation and service must be performed by a qualified installer service agency or the gas supplier WARNING This water heater is equipped for INSTALLER type of gas only Check the data plate near the gas AFFIX THESE INSTRUCTIONS TO OR ADJACENT control va
24. INPUT P6 HOT SURFACE IGNITER FS FLAME SENSOR CONNECTION 14 13 mee EN m a 6 7 CE Gr 78 4 TNI 60 A WATER HEATER ASSEMBLY 70 125 HE 100 150 100 199 amp HE 100 250 0 4 A E 20 DESCRIPTION QTY MAGNESIUM ANODE 3 4 NPT X 27 3 2 NIPPLE 12 11 5 NPT X 5 3 THERMOSTAT amp ECO SYSTEM 3 4 18 UNS 4 CLEANOUT GASKET 5 CLEANOUT ACCESS COVER 6 PRESSURE WASHER 5 16 8 7 SCREW 5 16 18 UNC X 3 4 GRADE 5 8 8 ELBOW 90 11 5 NPT 9 NIPPLE 2 11 5 NPT X 8 10 55 BLOWER GAS VALVE ASSY 12 PLASTIC AIR FILTER 13 ELECTRONIC CONTROL ASSY 14 UPPER COVER ASSY 5 T amp P RELIEF VALVE 3 4 NPT OR I NPT 16 DIP TUBE 2 11 5 NPT X 6 17 DRAIN VALVE 3 4 18 PVC MALE ADAPTER 2 NPT 19 CONDESATION TRAP SCH 40 20 CLEANOUT COVER A MOTOR BLOWER ASSEMBLY HE 70 125 100 150 HE 100 199 amp HE 100 250 ITEM DESCRIPTION QTY BLOWER VENTURY SPECIFY MODEL IIC CORK GASKET COVER BLOWER VENTURI SCREW M5XO 8 IIE RUBBER PIPE CONNECTOR 1 2 IF GASVALVE IIG GASVALVE GASKET GASVALVE SCREW 5 0 8 90 BRASS ELBOW Il GASVALVEF ANGE RUBBER FLANGE O RING IIL FLANGE SCREW 5 0 8 BRASS ELBOW 1 27 14 NPT MALE FEMALE PLUG WITH RECTIFIER 24V PLUG RECTIFIER
25. LAY Manual Reset Required COIL 120 Normally Closed Temperature Activated CONTACTS 10 AMPS Safet amp ShutOff Switch 165F 120 AMETEK Gas Valve BR c BLOWER MOTOR UT CONTROL GR MODULE Fs MA FLAME SENSOR NOTICE If any of the original wires as supplied with the appliance are replaced they must be replaced with wires of equivalent gage and ratings CAUTION Label all wires prior to disconnection when servicing controls Wiring errors can cause improper and dangerous operation 26 MAINTENANCE m Maintenance should address all areas of operation with special attention to maintaining filters burners controls vents electrical supplies relief This appliance has been designed and valve and clearances built to operate with minimal maintenance requirements However Always verify proper operation after servicing to ensure optimal and safe operation periodic maintenance is required Such maintenance should be conducted by qualified persons who understand the Housekeeping issues such as not storing items especially flammable liquids and corrosives in the vicinity of the unit should be constantly addressed principles of operating and are trained Air intakes should always be cleared of obstruction NO items should be in and familiar with the proper placed in the vicinity of intakes since they could interfere with delivery of maintenance methods combustion air and could be de
26. O UNDERSIZING OF THE SPACE HEATING POTABLE WATER SYSTEM 8 WATER HEATER AND SUBSEQUENT EXCESSIVE BURNER FIRING PIPING CONNECTIONS 3 BAD WATER CONDITIONS SUCH AS WELL INSTALLATION CLEARANCES 1 WATER WITH EXCESSIVE MINERAL DEPOSITS VENT PIPE 12 IT IS THE RESPONSIBILITY OF THE INSTALLER TO TAKE WHAT EVER STEPS ARE REQUIRED VENT INSTALLATION E INCLUDING THE INSTALLATION OF WATER GAS PIPING REQUIREMENTS 23 SOFTENERS TO PREVENT EXCESSIVE LIME ELECTRICAL CONNECTIONS amp REQUIREMENTS 24 BUILD UP AND SUBSEQUENT METAL FATIGUE MAINTENANCE amp INSPECTION 26 on HEATING OF THE TANK OPERATING INSTRUCTIONS 28 4 FAILURETO USE THE HAND HOLE SEQUENCE OF OPERATION 28 CLEANOUT PROVIDED IN THIS WATER PERFORMANCE MODIFICATIONS amp GENERAL HEATER TO KEEP LIME DEPOSITS IN THE TANK BOTTOM FROM EXCEEDING 2 IN HEIGHT SAFETY 28 5 INSTALLATION OF MULTIPLE HEATERS IN TROUBLESHOOTING 36 LINE RATHER THAN PARALLEL PER THE REPAIR PARTS LIST 38 INSTRUCTIONS PROVIDED ON PAGES 9 AND 10 OF THIS MANUAL RESULTING IN EXCESS FIRING AND OR EXCESSIVE CONDENSATION OF ONE OR MORE OF THE HEATERS 6 FAILURE OFTHE HEATER OR COMPONENTS AS A RESULT OF IMPROPER VENTING RESULTING IN NEGATIVE AIR PRESSURE DUE TO IMPROPER LOCATION OR OVERHEAD FANS MODEL NUMBER 7 FAILURE OFTHE HEATER OR COMPONENTS Please complete the following information at the time of installa tion retain and present along with the warranty in the event that a claim is necessary TYPE OF GAS CAUSED
27. RTICAL TERMINATIONS Piping and fittings are 2 or 3 not considered part of the termination and should not be included when reduce before penetrating the wall calculating the maximum allowable vent pipe length The vertical inlet air termination Refer to figure 24 below for the proper location of the air inlet with respect requires a return bend or two short to the exhaust outlet termination The vertical exhaust outlet termination is a or long sweep radius 90 elbows to 2 or 3 pipe which terminates at least 12 inches above the inlet air termination keep the inlet downward and prevent The air inlet and exhaust outlet terminations must be at least 12 inches above entry of rain These elbows are the roof line or anticipated snow levels as shown in figure 24 below Figure 24 Vertical Termination COMBUSTION AIR TERMINATION AND EXHAUST AIR TERMINATION PITCH ROOF INSTALLATION MUST BE LOCATED IN THE SAME PRESSURE ZONES EXHAUST 1 5 MAX VENT EC 7 1 2 MIN ABOVE BEND M ROOF OR ANTICIPATED 5 SNOW LEVEL 12 MIN MM 1 AB 12 MIN SEE 2 ANTICIPATED SEE NOTE 1 H SNOW LEVEL NOTE 1 ROOF LINE
28. SCREW IIP 1 2 BLOWER MOUNTING GASKET IIR HEXAGONAL SCREW 5 16 18 UNC X 3 4 115 PRESSURE WASHER 5 16 IIT HEXAGONAL NUT 5 6 18 UNC Aa A NM 41 A BURNER HE 70 125 100 150 100 199 amp 100 250 ITEM DESCRIPTION QTY BURNER MOUNTING GASKE 05 BURNER IOC FLAME SENSOR GASKET 100 FLAME SENSOR IOE SCREW 8 32 UNC X 1 2 IOF IGNITER MOUNTING GASKET CERAMIC IGNITER HEXAGONAL SCREW 1 4 20 UNC X 1 S S 304 PRESSURE WASHER 1 4 S S 304 HEXAGONAL SCREW 1 4 20 UNC X I S S 304 CONTROL ASSEMBLY 70 125 HE 100 150 HE 100 199 amp HE 100 250 0 DESCRIPTION QTY CONTROL SUPPORT 35 120V 24V TRANSFORMER I3C 0 3 WC PRESSURE SWITCH 5 0 WC PRESSURE SWITCH 3 5 0 WC PRESSURE SWITCH I3F 120 RELAY SP DT I3G_ INTEGRATED CONTROL MODULE THERMOSTAT amp ECO SYSTEM CONTROL BOARD I3 TERMINALS BLOCK 13 RUBBER GROMMET I 13A 13H 13B 13F 136 130 13E 42 A TOP COVER ASSEMBLY HE 70 125 HE 100 150 HE 100 199 amp HE 100 250 ITEM DESCRIPTION QTY I4A COVER CONTROL I4B BLACK 2P IT SWITCH 46 R
29. The Energy Cut Off will shut off all gas supplied to the Burner in the event the water temperature exceeds 180 Should the Energy Cut Off function open it must be reset before the water heater can be placed in operation again VACATION FREEZING TEMPERATURES 33 E GAS PRESSURE If the water heater is to remain idle With the water heater in operation main burner on the maximum supply for 30 days or more or is subject to pressure must not exceed the specified value below and the minimum supply freezing temperatures while shut off and normal manifold gas pressures are as follows the water heater and piping should be drained refer to section Draining and Flushing Interior of Tank page 30 and the drain valve should be left open Refer to Hydrogen Gas Warning Natural Gas 10 5 WC below L P Gas 13 0 W C WARNING HYDROGEN GAS Hydrogen gas can be produced in a water system that has not been used for a long period of time generally two weeks or more HYDROGEN GAS 15 EXTREMELY FLAMMABLE To prevent the possibility of injury under these conditions we recommend the hot water faucet be open 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 e DO NOT smoke If hydrogen is present there will probably be an unusual sound such as air escaping through th
30. a pressure reducing valve with a bypass should be installed in the cold water inlet line to the entire system This should be placed on the supply to the entire structure in order to maintain equal hot and cold pressures CORROSION AND wATER QUALITY Water quality will vary from location to location and may contain contaminants that may reduce the life or performance of the water heater Contaminants which can reduce the life or performance of the water heater if present in high quantities include those which contribute to hardness dissolved minerals such as sodium calcium and magnesium plus chlorides and sulfates Additionally water that is too acidic or basic measured as pH can reduce the life of the water heater Water treatment systems such as water softeners or hardeners can be used to maintain water quality TEMPERATURE amp PRESSURE _ RELIEF VALVE For protection against excessive pressures and or temperatures a temperature and pressure relief valve is 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 221 22 is furnished with this water heater DO NOT thread cap or plug the end of this discharge line Be certain that no cont
31. act is made with any live electrical part DO NOT connect discharge line directly to drain PAGE 9 To prevent bodily 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 cir cumstances demand If the discharge pipe is not directed to the drain as shown on PAGE 9 or other suitable means the water flow may cause property damage aM 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 6 Must not have any valve between the relief valve and the heater Failure to maintain the properly listed temperature and pressure relief valve will release the manufacturer from any claims which might result from excessive temperature or water pressure MANUAL RELIEF COMBINATION LEVER TEMPERATURE PRESSURE RELIEF VALVE DISCHARGE LINETO DRAIN Figure 3 WARNING Do not attempt to ate this water heater with cold water inlet valve closed Manually operate the temperature and p
32. ame LED indicator on the UT control module illuminates and remains glowing Main Burner Ignition Confirmed Yes Check flame sensor electrode for oxidation build up Check wiring connection from the flame sensor electrode to the UT control module Check for adequate natural gas supply pressure at the gas valve inlet pipe connection Check the wiring connection from the control panel to the gas valve Check the Hot Surface Igniter HSI for breakage Replace with same part number Check the wiring connection from the control panel to the igniter Check supply voltage 5Vac 120Vac The Water Heater will continue to Intermittent Burner Operation operate until the thermostat setting is achieved After reaching the desired Yes temperature setting the yellow panel Burner ignition rumbles excessively thermostat light on the front cover will shut off The green panel power light and the green LED indicator will stay Check the relief device located on the filter box for obstructions and or breakage Either repair or replace the device then install che illuminated as long as the power switch mounted on the front cover is in the on proper relief device by calling Customer Service toll free at 1 800 900 9063 Check the following Blockage in the inlet outlet PVC vent connections Verify 909 elbow termination oriented downward to overcome high wind gusts Check the condensate drain line for partial bloc
33. aminated burner is identified as the cause of high CO must be serviced and cleaned and the causes of the contamination removed To clean the burner it has to be removed from the unit Care should be taken not to damage any parts in the process To remove the burner the top cover must be removed and the burner mounting bolts removed Separate the burner from the controls and blower and carefully lift the burner upwards to clear all parts from the combustion chamber while being especially careful not to damage the attached igniter 5 The unit installation should have the 12 inch additional recommended service clearance above the top cover if the burner is to be removed with the unit in place e Once the burner is removed dislodge particulate matter from the burner surface matrix by blowing compressed air on it Keep the compressed air nozzle at least 2 away from the burner surface Direct the air straight down onto the burner surface while moving the nozzle back and forth along the length of the burner surface This action dislodges particles SIGNAL LIGHTS 27 trapped in the matrix and pushes them back inside the burner tube AVOID blowing air tangentially across the surface since this can damage the burner and erode the surface WARNING Persons performing this maintenance should wear appropriate respiratory protection to avoid inhaling loose dust and refractory fibers e Allow loose dislodged parti
34. are available for external applications to water heaters are not recommended However some governing bodies require their use in new construction of additions regardless of how efficient the water heater may be Ifan insulation blanket is applied to this heater CAUTION must be exercised not to restrict the proper function of the heater The manufacturer of this heater will not be liable for incidents arising or resulting from the use of external insulation blankets The manufacturer will not be liable for corrosion of parts which may have resulted from the use of such insulation blankets The space around the water heater is necessary for proper ventilation air flow This space must be maintained unobstructed OPEN OPEN PRESSURE PRESSURE FLAME FLAME SWITCH SWITCH POST ESTABLISHING PROVING RECOGNITION RECOGNITION PURGE PERIOD PERIOD PERIOD PERIOD BEFORE GAS AFTER GAS VALVE OPENS VALVE OPENS 2 4 0 1 0 1 15 As time passes the blanket may sag causing an obstruction of Bs air passage resulting in an unsafe operating condition e DO NOT apply insulation to the top of a gas water heater This could affect the operation resulting an unsafe operating condition e DO NOT cover any access panels leading to burner compartments thermostat s control doors or temperature amp pressure relief valve on the water heater e DO NOT cover any labels or instruction material applied to this water heater These safety labels and instruc
35. ation must be performed in accordance with state and local codes or in the absence of such The National Fuel Gas Code NFPA 54 ANSI Z223 1 latest edition When replacing an existing water heater it is recommended that the venting system be reviewed for compliance with the requirements contained in this installation manual If the venting is not in compliance it is recommended that the appropriate changes be made to bring it into compliance Note If the vent system is not in compliance with the current or prior installation manuals the manufacturer reserves the right to evaluate the installation prior to granting any warranty on service claims Important Check to make sure the vent pipe is not blocked in any way Note Do not common vent this water heater with any other appliance Do not install in the same chase or chimney with a metal or high temperature plastic vent from another gas or fuel burning appliance N m VENT PIPE MATERIAL The following plastic materials may be used for both the combustion air inlet and exhaust outlet piping subject to state and local codes Schedule 40 PVC or ABS Schedule 40 or 80 CPVC DWV pipe is acceptable Note Use only a solid not foam core piping Plastic pipe and fittings are available through most plumbing suppliers Always check the marking on the pipe to make sure you are using the correct material Important Do not use vent elbows in this vent pipe installation Use only
36. ck into the building If help is coming wait for it outside of the building BEFORE LIGHTING SNIFF AT FLOOR LEVEL IF YOU SMELL GAS FOLLOW THESE RULES DW e GM s Ue Open windows Get all people out of building DO NOT light matches Do not smoke DO NOT touch electrical switches on or off Extinguish any open flames Shut off gas at the L P tank outside of the building Use an outside phone and immediately call che gas company and the fire department Ask for instructions Before hanging up give your name and address and a phone number if possible DO NOT go back into the building If help is coming wait for it outside of the building 35 L P G PROPANE BOTTLED GAS MODELS L PG 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 OUT or 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 re filled all appliances must be turned on according to the manufacturer s instructions GAS SUPPLY Aa WARNING Explosion Hazard Use a new CSA approved gas supply line Install a shut off valve Do not connect a natural gas water heater to a L P gas supply Do not connect a L P gas water heater to a na
37. cles to fall from the burner tube at the air gas inlet side A vacuum may be used at the burners air gas inlet to assist in removing particles Blower wheels should also be cleaned to remove particles adhering to blower blades Compressed air blowing on blades is recommended DIAGNOSTIC LIGHTS This unit is equipped with a lighting The UT Electronics controller is equipped with diagnostic LED lights that system which indicates the units signal certain operational functions Top panel cover removal is necessary to operating status Visible at the top of view the diagnostic lights If the lights are burning continually Not flashing the appliance the lights are organized the following is indicated Top green light illuminated signifies that from left to right and signal certain electrical power is on and being fed to unit Top red light signifies the purge operations as follows Left green light cycle Second from the top red light in the position signifies igniter indicates line voltage is registered and has been activated Bottom red light ON signifies establishment of flame power is supplied to the unit Middle to the burner During moments of abnormal operation the individual lights yellow light indicates a request for heat will flash signifying that there are coded diagnostic problems when this meaning the normal ignition sequence occurs consult the Troubleshooting amp Service Guide to determine the is
38. d 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 at least 5 feet above floor level and readily accessible A drip leg consisting of a DO NOT ATTEMPT TO USE THIS pipe tee 4 inch nipple and a cap should be installed as shown in Figure 25 WATER HEATER WITH ANY GAS Make sure the gas supplied to the heater is the same type as listed on the OTHER THAN THE TYPE LISTED rating plate Figure 25 Gas Piping MANUAL GAS SHUT OFF VALVE GROUND JOINT UNION i CHECK WITH LOCAL UTILITY FOR MIN HEIGHT uet A GAS PRESSURE ON THE RATING PLATE Compound used for the connection of all gas piping should be resistant to the action of liquefied petroleum gases Apply pipe dope sparingly to the male threads only DO NOT apply pipe dope to the gas valve The water heater and its individual gas shut off valve must be disconnected from the gas supply piping system during any pressure testing of that system at test pressures in excess of 1 2 psig 14 W C or 3 5 kPa 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 psig 14 or 3 5 k Pa If the gas valve i
39. de When the ECO Limit Switch closes after the post purge is completed the system restarts the ignition sequence Lockout Mode The system enters lockout mode for the following reasons 2 Pressure switch is stuck open or closed for longer than the allowed time 3 Gas valve relay voltage does not match the gas valveon off status 4 No ignition after three attempts 30 5 Flame is recognized when there should no flame as valve off Lockout due to false flame witnessed and is reset by the lack of flame as an automatic reset feature Lockout reset from other causes occurs by shutting off the line voltage to the system or opening the room thermostat contact for more than 2 seconds The control will automatically reset lockout after one hour of continuous call from the thermostat attempts for ignition will occur each hour until the thermostat is satisfied or power removed and lockout due to the ECO Limit switch and will result in a complete lockout Power Failure or Brown outs During a momentary power interruption or when voltage levels are below the normal minimum operating voltage line voltage or low voltage the system will self recover without lockout when voltage returns to normal operating conditions HSI WARM UP IST IGNITION MODEL 1013 PREPURGE TRIAL AND 3RD TRIAL TIME DURATION FOR THIS 10 30 6 SEQUENCE IN SECOND INSULATION BLANKET Insulation blanket kits which
40. des combustion chamber ventilation before ignition Should the pressure switch remain open for the duration of the Pressure Switch recognition period and during pre purge the control automatically reverts to the pressure switch proving mode Igniter Warm Up Upon completion of the pre purge the control energizes the HSI igniter output for the HSI warm up period This function is indicated by the illumination of the IGNITER light The igniter activates for a second and third attempt to achieve ignition if required Ignition Verification The ignition trial time is the total time spent during the Flame Establishing Period and the Flame Proving Period for each control 29 Flame Ignition Period The flame ignition period is established the moment the gas valve VALVE light is lit gas flow begins gas is ignited and the igniter remains on B Flame Proving Period The flame proving period is the time in which the igniter is turned off and flame recognition is delayed the end of the flame proving period the flame status will be tested If there is no flame at the end of the flame proving period the gas is shut off and the control continues for retrial or lockout starting with the pre purge Steady State Operation Once the flame has been recognized the system is in a Steady State heating mode with the burner firing The control continuously monitors the thermostat ECO limit switch pressure switch and the flame sensor If the ther
41. e meter regulator assembly I Clearance to service regulator vent outlet J Clearance to non mechanical air supply inlet to building or the combustion air inlet to any other appliance 4 feet 1 2 m below or to side of opning foot 300 mm above opening K Clearance to a mechanical air supply inlet mA d L Clearance above paved sidewalk or paved driveway located on public property 3 feet 9 cm above it within 10 feet 3 m horizontally 7 feet 2 13m mr a M M W J J J AucL amp r d RM a7 M Clearance under veranda porch deck or balcony 2 accordance with the current ANSIK Z223 1 NFPA National Fuel Gas Code A vent shall not terminate directly above a sidewalk or paved driveway that islocated between two single family dwellings and serves both dwellings permitted only if veranda porch deck or balcony is fully open on a minimum of two sides beneath the floor clearances not specified in ANSI 2223 1 NFPA 54 or 49 1 one of the following shall be indicated
42. e faucet as the water begins to flow Remember no smoking or open flame near the faucet at the time it is opened EXPOSURE TO VVATER 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 WATER HEATER SOUNDS MIN 3 5 W C lI WC ANODE om In each water heater there is installed at least one anode rod see Parts section for protection of the tank Certain water conditions will cause a reaction between this rod and the water This is defined as smelly water and removal of the rod will void any warranties stated or implied The parts listincludes a special anode that can be ordered if odor and or discoloration occur However this rod is only good to a certain point after which we can only suggest that a water conditioning company be contacted to supply filtration equipment 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 Some units also occasionally rumble on ignition The sounds leave after a few seconds 2 Sediment build up in the tank bottom will create varying amounts of noise and may cause premature tank failure Tank bottom may need cleaning See DRAINING AND FLUSHING INTERIOR OF TANK PAGE 30 3 Condensation may cause sizzling a
43. es 76 2 mm in clearances from combustible Clearence Locations any direction or if an alcove or materials are stated on the closeted installation the entire floor mast be covered by the panel The panel must be strong certified for installation on a enough to carry the weight of combustible floor the heater when full of water Figure 9 may be used as a reference pen to locate the specific clearance locations A minimum of 24 inches of front Clearence and 4 inches on each side should be provided for inspection and service CONDENSATE LINE Important DO NOT route the condensate drain in areas that are likely to freeze Frozen condensate will block the drain line and result in property damage or water heater malfunction Condensate trap Assembly Figure 10 Condesate Drain CONDENSATE TRAP condena 55 M BLY Required only when optional neutralizer cartridge is used A condensate traps drain stem assembly has been supplied with the water heater This assembly must be installed a A between the water heater and the exhaust outlet piping eO c 4 to ensure proper operation of the water heater To install follow the instructions attached to the drain Note The trap should be aligned i ic Ne
44. for temperatures higher than 307 Refer to the manufacturer s instruction manuals supplied with this type of equipment for recommended temperature settings Figure 27 Temperature Dial Temperature F 130 7 140 i lt 1 1 i 4 b 100 A EMERGENCY SHUT DOWN Important If overheating occurs or the gas supply fails to shut off close the manual gas supply valve Turn off the electrical supply to the unit and close the cold water supply valve Do not operate the water heater again until it has been thoroughly checked by an authorized service technician 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 shower ing Important Adjusting the thermostat past the 120 setting on the temperature dial see figure 27 will increase the risk of scald injury Hot water can produce first degree burns within minutes 20 F 49 C more than 5 minutes 30 F 54 C at 20 seconds 140 60 C at 3 seconds 150 F 66 C at 1 1 2 seconds 160 71 C at less than second CAUTION Setting the temperature selector dial higher provides hotter water which increases the risk of scald injury The unit is also equipped with a high temperature limit switch ECO Energy Cut Off
45. ht follow the instructions To Turn Off Gas To smell gas go to the next step Appliance and call your service technician or gas supplier TO TURN OFF GAS TO APPLIANCE e Set the thermostat counterclockwise to lowest setting e Turn off all electric power to the appliance if service is to be performed e Close the manual gas shut off valve in the gas supply line near to the appliance KEY Normal operation sequence shown in bold type Fault detection or abnormal condition sequences shown underlined Thermostat Demand for Heat The control energizes the blower motor when the thermostat contacts are closed If the thermostat contacts open the blower motor shuts off automatically If the ECO Limit switch opens the control waits indefinitely for the ECO Limit switch to close If the pressure switch contacts are closed prior to energizing the blower motor then the control will standby until the pressure switch opens before energizing the blower motor If the pressure switch does not open within 45 seconds the control locks out and the PURGE light will flash indicating a pressure switch failure Pressure Switch Verification If the pressure switch does not close within five minutes of the blower ignition the control locks out and the PURGE light flashes to indicate a pressure switch failure or fault Pre Purge Period The pre purge period begins when the pressure switch closes Pre purge provi
46. ief valve T 8 P or higher than normal water temperatures The domestic hot water line from the water heater should be vertical past any tempering valve or supply line to the air handler to remove air bubbles from the system Otherwise these bubbles will be trapped in the air handler heat exchanger coil reducing the efficiency DO NOT use this water heater as a replacement for an existing boiler installation DO NOT use with piping that has been treated with chromates boiler seal or other chemicals DO add boiler treatment or any chemicals to any heat piping since the piping contains potable water DO NOT use with PVC piping Water heaters which will be used to supply potable water shall not be connected to any heating system or components previously used with a non potable water heating appliance DO NOT use any pumps valves or fittings that are not completely compatible with potable water piping 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 such as or EXTROL will normally eliminate this weeping condition Please read and follow the manufacturer s instructions for installation of such tanks Some jurisdictions may require a backflow preventer in the incoming cold water line This
47. ild up in the water system A temperature and pressure relief valve must be installed on the water heater 150 PSI maximum pressure setting see Temperature and Pressure Relief Valve Figure 3 To prevent the temperature and pressure relief valve from discharging hot water a loss of energy and reduce the possible buildup of lime on the water temperature and pressure relief valve seat An expansion tank must be installed on the cold water supply line For every 50 US gallons of stored water the expansion tank must have a minimum capacity of 1 5 US gallons See PAGE 9 It requires both T amp P valves and expansion tanks for closed systems The manufacturer of this water heater will void the warranty if there is a failure to install a properly sized expansion tank SPACE HEATING POTABLE WATER 5 5 m Some water heater models are equipped with inlet outlet tappings for use with space heating applications If this water heater is to be used to supply both space heating and domestic potable drinking water the instructions listed below must be followed Be sure to follow the manual s shipped with the air handler system A properly installed flow control valve is required to prevent thermo siphoning Thermo siphoning is the result of a continuous flow of water through the air handler circuit during the off cycle are the first signs of thermo siphoning Weeping blow off of the temperature and pressure rel
48. ions that impede flow conditions such as warping and sagging of vent and intake systems material deterioration in physical damage blockage from animal or insect s or other sources Any blockage should be removed m Such service should also include inspection of the vent outlet temperature limit switch If it is Vegetation should not be allowed to grow so as to interfere with venting determined that the vent stacks and intakes Remove and clear any such material as needed which acted to shut off the unit burner the cause of the shut off must be investigated and corrected prior to returning the unit to service It should be verified that screens are in place at intakes and exhaust terminations Loose or separated tubes tubing should be repaired or replaced immedi ately The unit should be shut down until repairs are applied BURNERS AND BLOWERS INSPECTION AND SERVICE Every year under normal use conditions More frequently if the unit is operated in areas were airborne particles may plug the air passages in the burner matrix the burner should be checked e The burner need not be removed for this procedure since it involves a measurement for carbon monoxide concentration CO of the flue gases Persons doing such maintenance should be fully qualified e If CO levels under steady state firing are above 200 ppm the cause of the high CO levels should be investigated and corrected wu If a clogged or cont
49. irect Vent Only All pipe fittings pipe cement primers and procedures must conform to American National Standard Institute and a American Society for Testing and Materials ANSI ASTM standards in the United States This water heater has been design certified by the Canadian Standards Association for use with the specified CSA listed plastic vent pipe joints in the inlet and outlet piping must be properly cemented Size and cut all piping before cementing Cut the pipe and square and remove all ragged edges and burrs Make sure the inside of the pipe is clean and free of cuttings and loose dirt Chamfer the end and apply primer to the fitting in pipe 2 Using suitable grade of pipe cement apply a moderate even coating inside the fitting Apply a liberal amount of cement to the outside of the pipe to socket depth 14 VENT PIPE LENGTH Sizes and length of the exhaust and combustion air intake pipes are to be as specified in Table 1 for 1 pipe power vent instal lations or Table 2 for 2 pipe direct vent configurations These tables list the maximum allowable length in feet of the exhaust and combustion air inlet pipes as related to the number of elbows used The specified maximum lengths listed apply separately for the air inlet and exhaust pipe systems and not for the combined length of both systems Minimum length for the vent is 12 equivalent feet 7 feet and one elbow This minimum vent length is needed
50. kage Check blower RPM setting and burner CO 76 output Call costumer service toll free at the number listed below Proper vent outlet restriction when operating at an input rate of 125 000 150 000 Btu Hr and tha PVC vent length is less than 25 Reference this manual Vent Tables amp for restriction sizes applicable to the above input rates Inspect clean inlet air filter screen in the filter box position Troubleshootingt Complete For additional Technical Assistance Contact AMERICAN STANDARD WATER HEATERS Tel 800 900 9063 38 A TROUBLESHOOTING GUIDE UT Control Module Wiring Connections amp LED Diagnostic Indicators DICATOR 4 IGNITOR VALVE FLAME LIGHTS ram GEER ATION TAO Pawo 4 OF cA Pe are EAS Eanes AUD ue nur am LOCKS POWER FOR TO WELL AUTOMATICALLY RE TE T AFTER 1 HOUR WARNING Wem ICE MALPUMCTON Lande T MEE veu HAB BET mE pulum LED Diagnostic Indicators P2 TRANSFORMER SECONDARY P3 CONTROL LOW VOLTAGE THERMOSTAT amp SAFETY CHAIN P4 CIRCULATOR PUMP Not Utilized Pb BLOWER MOTOR TRANSFORMER PRIMARY P 120 VAC LINE
51. lve for the correct gas DO NOT USE THIS TO WATER HEATER WATER HEATER WITH ANY GAS OTHERTHAN 2 BEFORE LEAVING PREMISES REVIEW THIS THE ONE LISTED ON THE DATA PLATE Failure to OPERATION AND SERVICE MANUAL TO BE SURE use the correct gas can cause problems which can result in HEATER HAS BEEN INSTALLED CORRECTLY DEATH SERIOUS BODILY INJURY OR PROPER MAKE SURE UNIT IS STARTED AND OPERATED FOR ONE COMPLETE CYCLE AND WATER TEMPERATURE IS ACCEPTABLE TO THE CONSUMER AT THE FIXTURES TY DAMAGE If you have any questions or doubts sult 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 OWNER RETAIN THESE INSTRUCTIONS AND WARRANT Y FOR FUTURE REFERENCE IF YOU HAVE QUESTIONS THAT ARE NOT ANSWERED IN THE MANUAL YOU MAY CALL THE TOLL FREE NUMBER 800 900 9063 OR CONTACT US BY EMAIL AT engineering Q waterheaters com 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 GENERAL SAFETY NOTICE TO INSTALLERS amp USERS OF THE FOLLOWING DANGERS ASSOCIATED WITH T
52. manufacturer s instructions DO NOT common drain with the temperature and pressure relief valve or the conden sate line from an air conditioner evaporator coil Slope the condensate drain towards the inside floor drain or condensate pump m The condensate drain line and connection to the drain piping must comply with all local codes DO NOT run the condensate line into the drain VENT PIPE SYSTEM A N WARNING 4 Carbon Monoxide Hazard Follow all instructions to locate and install the vent pipe system Instructions can be found in this manual in state or local codes or the authority having jurisdiction or in the absence of such the National Fuel Gas Code ANSI 2223 1 NFPA 54 Latest Edition Canadian installations must be performed in accordance with CAN CGA B149 Failure to properly locate and install the vent pipe system can result in death or carbon monoxide poisoning m VENTING This water heater may be installed either as a power vent system one pipe or as a direct vent system two pipe in which all air for combustion is taken from the outside atmosphere and all combustion products are discharged to the outdoors This water heater must be properly vented for removal of exhaust gases to the outside atmosphere Correct installation of the vent pipe system is mandatory for the safe and efficient operation of this water heater and is an important factor in the life of the unit Vent pipe install
53. may cause the temperature and pressure relief valve on the water heater to discharge or weep due to expansion of the heated water A diaphragm type expansion tank suitable for potable water will normally eliminate this weeping condition Please read and follow the manufacturer s instructions for the installation of such tanks DO 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 quali fied personnel should service these components DO use 50 50 solder in potable water lines IF THE SPACE HEATING system requires water temperature in excess of 120 E a mixing valve or other means should be installed in the domestic potable hot water supply to limit the RISK OF SCALD INJURY See Figure 5 Figure 4 Combination Space Heating Potable Water Heating system SUGGESTED PIPING ARRANGEMENT FOR TOP CONNECTIONS NON SCALD TEMPERING VALVE SHUT OFF Pail VALVE Hr COLD WATER INLET SUPPLY TO HEAT EXCHANGER TEMPERED POTABLE WATER RETURN FROM HEAT EXCHANGER TEMP
54. mostat opens Demand for hot water is satisfied the control shuts off the gas valve gas flow stops and the control begins a post purge With an anormally hot water tank the ECO limit switch opens the control shuts off the gas valve and cycles through post purge At this point the unit waits for the ECO limit switch to close before attempting ignition During firing if the flame is lost the control stops the gas valve runs through post purge and initiates the Pressure Switch Proving Mode for ignition If the Pressure Switch opens for the specified open pressure switch recognition period the blower turns off for 30 seconds and the control moves to Pressure Switch Proving Mode for another ignition attempt Combustion Chamber Post Purge The purge period starts when the thermostat has satisfactorily reached a steady heating mode The blower output remains on for the post purge period and then shuts off The post purge procedure occurs every time the gas valve turns on and off except when a loss of pressure is realized during the post purge and would be ineffective The post purge must complete before a new ignition sequence can start Multiple Ignition Sequences A Failed ignition In the event of a failed initial ignition the system cycles into a post purge and stops energizing the blower The control maintains in a standby mode until the pressure switch opens at which point a new ignition sequence is attempted Failure to establish a flame during
55. n the heat traps The installation of unions in both the hot and cold water supply lines is recommended for ease of removing the water heater for service or replacement The manufacturer of this water heater recommends installing a tempering valve or anti scald device for a domestic hot water line These valves reduce the point of use temperature of the water by mixing cold and hot water and are readily available for use Install a shut off valve in the cold water inlet line It should be located close to the water heater and be easily accessible Know the location of this valve and how to shut off the water to the heater 5 A temperature and pressure relief valve is installed in the opening marked Temperature and Pressure T amp P Relief Valve on the water heater 6 Add a discharge line to the opening of the T amp P Prelief valve Follow the instructions under Temperature and Pressure Relief Valve 7 After piping has been properly connected to the water heater open the nearest hot water faucet Open the hot water faucet and allow the tank to completely fill with water To purge the lines of any excess air keep the hot water faucet open for 3 minutes after a constant flow of water is obtained Close the faucet and check all connections for leaks Water supply pressure should not exceed 80 of the working pressure of the water heater The working pressure is stated on the water heater s data plate If this occurs
56. n bathrooms bedrooms or any occupied room normally kept closed NOTE The water heater may be installed in a closet with a door other than a bedroom or bathroom providing the units are installed and vented per the manufacturer s instructions The venting system must comply with the requirements set forth in the venting section of this manual 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 NOTE This water heater must be installed according to all local and state codes Or in the absence of local and state codes the National Fuel Gas Code ANSI 2223 NFPA 54 Latest edition This publication is available from the following American Gas Association Orders telephone No Toll Free 866 816 9444 National Fire Protection Agency Batterymarch Park Quincy MA 02269 Check your local phone listings for the local authorities having jurisdiction over your installation SPECIFICATIONS ALL DIMENSIONS IN INCHES IS FROM FLOOR A B D E F G H J TO TOP TO TO TO AIR TO TO HTR TO TO WTR GAS T amp P APROX MODEL OF HTR COLDIN HOTOUT INTAKE EXHAUST T amp P D A DRAIN GAS INLET CONN CONN CONN SHP WGHT HE 70 125 69 7 1 4 63 3 4 60 1 8 9 1 4 51 26 3 8 5 1 2 62 1 4 1 2 1 2 3 4 290 100 150 76 7 8 7 1 4 71 1 2 68 1 8 9 1 4 58 28 3 8 51 2 70 1 4 1 2 1 2 3 4 490 100 1
57. n venting cannot exit through the wall at a height greater than or equal to 12 30 5 cm and above expected snow level from the ground then the installation must be modified as shown in figure 13 Figure 13 Vent Terminal Low Ground Clearance 90 INTAKE OR 3 7 6 cm OR EXHAUST TERMINAL 4 10 2 cm PVC GROUND LEVEL 1 2 54 cm FOR INTAKE TERMINAL 6 15 2 cm FOR EXHAUST TERMINAL Figure 4 Typical Horizontal Power Direct Vent System Installation 90 EXHAUST TERMINAL 2 OR 3 PVC PIPE 6 MIN mee WALL SUPPORT BRACKET MINIMUM 5 RISE 90 INTAKE TERMINAL DRAIN PAN 0 VERTICAL INSTALLATION Vertical vent must be supported every 5 feet of vertical run and every 3 feet of horizontal run of vent pipe length Stress levels in the pipe and fittings can be significantly increased by improper installation If rigid pipe clamps are used to hold the pipe in place or if the pipe cannot move freely through a wall penetration the pipe may be directly stressed or high thermal stresses may be formed when the pipe heats up and expands Install accordingly to minimize such stresses Use the following procedure to vent through the roof Cut the necessary holes through the roof and ceiling
58. nation of this condition During the summer months the warmer incoming water temperatures will benefit the performance of your water heater and reduce the amount of condensation developed Condensation does not mean that your tank is leaking Over 40 of reported tank leaks on installation are proven to be condensation Io avoid unnecessary inconvenience and expense make sure the tank is leaking before calling a service person 32 STACKING Stacking occurs when a series of short draws of hot water 3 gallons or less are taken from the water heater tank This causes increased cycling of the burner and can result in increased water temperatures at the hot water outlet A tempering valve must be installed in the hot water supply line to reduce the risk of scald injury Important A tempering valve WATER TEMPERATURE REGULATION thermostat is adjusted to its lowest temperature setting when it is shipped from the factory Water temperature can be regulated by moving the temperature dial to the preferred setting The preferred starting point is 130 F however in some instances setting the water heater higher than 30 F can reduce the occurrence of igniter failure due to excessive condensation not provided must be installed in the eg Water temperature over 125 can hot water outlet to reduce the risk of scald injury when setting the thermostat in excess of 120 Many home heating systems may be designed
59. nd popping within the burner area during heating and cooling 34 TAMPERING a Firing rates are factory set DO NOT FIELD ADJUST EMERGENCY SHUT DOWN Should overheating occur or the gas supply fail to shut off turn off the Tampering with the thermostat gas valve pilot burner or temperature manual gas control valve and shut and pressure relief valve is DANGEROUS and voids all warranties Only off electric power to the appliance qualified personnel should service these components and call a qualified service person to check for the cause OPERATION SAFETY ZN WARNING PRECAUTIONS DO turn off heater if it has been subjected to physical damage flooding or fire DO turn on heater unless it is filled with water DO NOT turn on heater if cold water supply inlet valve is closed DO NOT attempt to operate heater until all instructions are understood and followed See below and label on heater near thermostat DO NOT allow flammable liquids such as gasoline or paint thinner to be stored or used near heater DO NOT allow combustible materials such as newspaper rags or mops to accumulate near heater WARNING N TO AVOID POSSIBLE INJURY FIRE AND EXPLOSION READ THESE PRECAUTIONS BEFORE ATTEMPTING TO TURN HEATER ON Check the data plate near the gas control valve thermostat for the correct gas DO NOT USETHIS WATER HEATERWITH ANY GAS OTHERTHAN THE ONE LISTED DATA PLATE Failure to use the correct ga
60. nd pressure relief valve is DANGEROUS and voids all warranties Only qualified personnel should service these components TEMPERATURE ADJUSTMENT The temperature selector dial has been adjusted to its lowest setting when shipped from the factory For energy efficient operation of your water heater the recommended temperature setting is approximately 130 F Households with small children or invalids may require a 120 or lower temperature setting to reduce the risk of scald injury Some states require lower temperature setting Check with your gas supplier for local requirements governing the temperature setting NOTE The lower the temperature setting the greater the energy efficiency both to heat water and to maintain its temperature during standby periods Lower water temperatures also extend the tank life Remember no water heating system will provide exact temperatures at all times Allow a few days of operation at this setting to determine the correct temperature setting consistent with your needs NOTE This water heater when set at the lower temperature seting is not capable of producing hot water of sufficient temperature for sanitizing purposes During winter season or any cold period you may desire a higher temperature setting to adjust for the colder incoming water However this adjustment may cause additional condensation to form on the cooler tank surface This does not mean the tank is leaking Refer to Page 34 for expla
61. nt phase alignment will cause voltages to add exceeding the maximum 40AC input Check pressure switch contact operation closed with combustion blower off or Red Purge LED Flashing Pressure Switch Fault open with combustion blower on and any associated rubber tubing connections PI 5 0 W C 2 5 0 NC 0 3 W C NO See Note Below Red Igniter LED On Of Igniter Relay Is On of Off ON Hot Surface Igniter 15 Energized OFF Hot Surface Igniter Is De Energized Confirm adequate gas supply to the unit Check the Hot Surface Igniter for breakage Check the Flame Sensor Electrode for damage oxidation Check Gas Valve operation and all associated wiring from the control panel for secure connections Red Valve LED Flashing Locked Out Failed Ignition Attempt Red Flame LED Flashing LI Neutral Line Polarity Error LI power input must be the hot side of the line to achieve proper flame rectification NOTE When rated at 125 000 and 150 000 Btu Hr and using 2 PVC plastic vent pipe in lengths less than 25 an additional restriction is required on the vent outlet connection to provide an adequate back pressure to satisfy the 0 3 W C air proving pressure switch during a thermostat call for heat This is due to a lower fan RPM speed requirement at these two rates If inadequate restriction is provided at the vent outlet connection the system will fail to satisfy
62. oth the combustion air inlet pipe from the outside of the building and to the outlet pipe system starting at the condensate trap Minimum vent length requirement is 12 equivalent feet of piping combinations of elbows and straight pipe 2 piping may be used for the 125 000 150 000 199 000 and 250 000 BTU Hr input models however on vent systems of over 25 it is recommended to use 3 piping to vent models of 250 000 BTU Hr inputs in order to maintain highest firing rates and to reduce back pressure Use outlet reducer 2 to 1 5 for 150 000 inputs and 2 to for 125 000 BTU Hr inputs when vent outlets are less than 25 Configuration VENT TERMINATION LOCATIONS The air inlet and exhaust outlet must be installed with the following minimum clearances see Figure 3 12 inches above grade or maximum anticipated snow level 12 inches from any opening through which blue gases could enter the structure 4 feet horizontally and vertically from gas or electric meters gas regulators dryer vents vent hoods bathroom fan exhaust attic fans and air intake turbines 2 feet from an inside corner formed by two exterior walls 2 feet from porches decks overhangs and other obstructions Figure 2 Typical Vertical Direct Vent System Installation 15 In addition to maintaining the minimum clearances the vent should terminate according to the following guidelines po 2 OR 3 PIPE 0
63. per Polarity Water heater properly grounded The appliance when installed must be electrically grounded in accordance with local codes or in the absence of local codes with the National Electrical code ANSI N FPA 70 Installed in accordance with prevailing provisions of local codes or in the absence of such National Fuel Gas Code NFPA 54 ANSI 2223 Pipes and fittings should be installed in compliance with the installation piping PAGE 9 Check for proper fitting in cold water connection before connecting of hot and cold water lines If the indoor installation area is subject to freezing temperatures water piping must be protected water heater should be drained from tank and lines if being shut down during freezing temperatures If sweat connections are used sweat tubing to the adaptor before fitting adaptor to the cold and hot water fittings It is imperative that no heat be applied to the water heater fittings as they may contain nonmetallic parts WARNING OPERATING AN EMPTY OR PARTIALLY FILLED WATER HEATER WILL RESULT IN DAMAGE TO THE TANK Install the water piping and fittings as shown on PAGE 9 Connect the cold water supply 3 4 NPT to the bottom fitting marked Connect the hot water supply 3 4 NPT to the fitting marked H located on top of the unit Important Some models may contain energy saving heat traps to prevent the circulation of hot water within the pipes Do not remove the inserts withi
64. r ease of reference is not comprehensive All instructions and warnings must be read and adhered to WATER HEATER LOCATION REQUIREMENTS Proper clearance from combustible surfaces observed and heater not installed directly on carpeted floor Sufficient room to service the water heater Provisions made to protect area from water damage Properly sized drain pan installed and piped to an adequate drain Installation area free of corrosive elements and flammable vapors or materials Sufficient fresh air supply for proper operation of heater Keep vent inlets and outlets free of obstructions CONDENSATE LINE Drain stem is fully inserted in the elbow and glued properly rap aligned so that the exhaust pipe is in a vertical position close to the surface of the water heater Properly sloped to adequate drain or approved pump Protected from freezing if required VENT SYSTEM m Vent pipe and fittings of approved material Acceptable size length and number of elbows on air inlet pipe Installed in accordance with the prevailing provisions of Local codes or in the absence of such National Fuel Gas Code NFPA 54 ANSI 7223 Not obstructed in any way VENT TERMINATION Correct relationship outlet to inlet 2 Min above grade snow level 2 exhaust outlet air inlet pipe sloped down towards water heater at 1 4 foot 3 piping sloped down towards the heater at 1
65. ressure relief valve at least once a year Figure 3 To prevent water damage discharge line must terminate at an adequate drain PAGE 9 Standing clear of the outlet discharge water may be hot lift and release the lever handle on the temperature and pressure relief valve to make the valve operate freely If the heater is installed in a closed system the temperature and pressure relief valve may drip at times If the temperature and pressure relief valve discharges a full stream of water have the system checked See Pressure Build Up in Water System Page 6 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 Contact the water supplier or local plumbing inspector on how to correct this situation Do not plug the temperature and pressure relief valve A GENERAL INFORMATION 7 TEMPERING VALVE INSTALLATION 1 It is recommended that a tempering valve be installed per the manufacturer s instructions for water heaters supplying domestic hot water See PAGE 8 for a sample tempering valve installation Water piping fittings and valves must be properly installed for the correct and safe operation of this water heater Please note the following E EN 6 The system should be installed only with piping that is suitable for potable drinking water such as copper
66. rly sized fuse or circuit breaker Maximum overload protection should not exceed 5 amperes 4 Connect this circuit directly from the electrical service box to an electrical disconnect switch 5 Ground the water heater by connecting the electrical service ground wire to the green ground wire provided Note The power supply to this water heater must be properly polarized 120 volts from the hot lead black to ground and O volts from the neutral lead white to ground otherwise the unit will not operate 6 After making all electrical connections completely fill the tank with water and check all connections for leaks Open the nearest hot water faucet and let it run for 3 minutes to purge the water lines of air and sediment and to ensure complete filling of the tank The electrical power may then be turned on See below for completed installation Figure 26 Electrical Connections ELECTRICAL COMPARTMENT oO Oo oO DIJ Ci Ru CONDUIT IE REQUIRED BY CODE NI 6 SWITCH ELECTRICAL SERVICE PANEL 15 BREAKER 4 8 5 25 POTENTIOMETER UPPER SENSOR ELECTRONIC 4 24V AC OUTPUT R R 40VA RATING Electrical Diagram and Wiring Connections BR GR W 120 VAC IGNITOR ME MB RE
67. s 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 CONDENSATION The water from condensation may be noted at different times of the year in varying quantities This condensation may spill out of the collector pan onto the floor Do not confuse this with a leak Once the water inside of the heater reaches a temperature of 120 the condensation will stop Operating the water heater at the lowest thermostat temperature setting can keep the water heater in the condensation mode Adjusting the thermostat setting slightly higher will overcome this problem There is hot water scald potential however if thermostat is set too high pe SMOKE ODOR The water heater may give off a small amount of smoke and odor during the initial start up of the unit This is due to the burning off of oil from metal parts of a new unit and will disappear after a few minutes of operation 323 NATURAL GAS MODELS IF YOU SMELL GAS Get all people out of building NY DO HR W Open windows DO NOT light matches Do not smoke DO NOT touch electrical switches on or off Extinguish any open flames Shut off gas at manual shut off valve Usean outside phone and immediately call the gas company and the fire department Ask for instructions Before hanging up give your name and address DO NOT go ba
68. s subjected to pressure exceeding 1 2 psig 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 Important The gas supply pressure must not exceed the maximum supply pressure as stated on the water heater s data plate The minimum supply pressure is for the purpose of input adjustment LP GAS INSTALLATION 4 WARNING SAFETY WARNING Note Air may be present in the gas lines and could prevent LP UNITS Liquefied petroleum LP gas is heavier than air and will remain at floor level if there is a leak Basements crawl spaces closets and Explosion Hazard the pilot Gr inita Have a service technician make ars gouna as start up The gas lines should sure L P gas pressure does not exceed Peer ten a Or be purged of air by a qualified 13 water column gas Before lighting sniff at floor service technician after Failure to do so can result in death level IF YOU SMELL GAS follow the installation of the gas piping explosion or fire instructions at the beginning of this system manual or on page 35 24 ELECTRICAL CONNECTIONS A WARNING Electrical Shock Hazard Disconnect power before servicing Replace all parts and panels before operating Failure to do so can re
69. sult in death or electrical shock If you lack the necessary skills required to properly install the electrical wiring to this water heater do not proceed but have a qualified electrician perform the installation When making the electrical connections always make sure e The voltage and frequency correspond to that specified on the water heater data plate on the front of the water heater e The electrical supply has the proper overload fuse or breaker protection The heater draws less than 2 amps Wire sizes and connections comply with all applicable codes Wiring enclosed in approved conduit if required by local codes water heater and electrical supply are properly grounded e This water heater must be hard wired do not use an extension cord to supply electrical power to this water heater Note The wiring diagram can be found on page 25 Always reference the wiring diagram s for the correct electrical connections When installing the electrical wiring to the water heater Shut off the power at the electrical service box 2 Loosen the latches securing the access panel to the electrical compartment The electrical wiring diagram can be found on the inside of the access panel at the top of the water heater 3 Connect the electrical supply to the water heater in accordance with local utility requirements and codes Use only a dedicated electrical circuit containing a prope
70. the 0 3 W C pressure switch during the thermostat cycle and cause a premature lockout condition flashing Red Purge LED Reference this manual Vent Tables amp 11 for information pertaining to the restruction size required for each rate NOTE NC Normally Closed NO Nomally Open PI Inlet P2 Outlet P3 Blower Proving Pressure Switches 37 TROUBLESHOOTING GUIDE Main circuit breaker tripped or power supply not connected to water heater Use a DVM to troubleshoot power supply connection Push power switch on Connect to 120 volt AC power Green LED indicator on UT control module and Green panel power light on from cover illuminate Check wiring orange connections from the thermostat potentiometer mounted on the front cover to the thermostat control board Check the 24 volt AC power supply connections to the thermostat control board Check the ECO thermal switch for Turn thermostat dial clock wise to desired temperature setting Yellow panel thermostat light on front cover and the Red purge LED indicator on the UT control module illuminate The Red igniter LED indicator on the UT control module illuminates The Red valve LED indicator on the UT control module illuminates continuity Replace the thermostat control board and ECO Thermostat bulb assembly Replace the UT Control Module with same part number Replace the UT Control Module with same part number Yes The Red fl
71. the third attempt results in an ignition lockout mode This is signaled by a flashing Valve light B Loss of Flame In the event the flame signal is lost after establishing a flame the system automatically shuts off the gas flow valve within 2 0 seconds At which point Post Purge is conducted and repeats the ignition sequence assure that the gas does not continuously shut off do to flickering the system must witness a loss of flame for more than 05 seconds C Loss of Blower Draft Pressure Should the Pressure Signal be lost for a minimum of the open pressure switch recognition period after it is established the system control stops gas flow bypasses the Post Purge and locks out the blower for a period of 30 seconds After which the system automatically restarts the ignition sequence and restores to normal Flame Recognition After the flame is recognized as lit at the end of the Flame Proving Period the control enters Steady State Mode and remains as long as a flame is witnessed the thermostat and Eco Limit switch closes and the pressure switch closes Should the flame disappear the circuit will shut off the gas valve within 2 0 seconds flame is recognized at times other than normal the control will enter a False Flame Lockout Mode that will prevent an ignition attempt until the false flame scenario disappears ECO High Limit Switch When the ECO Limit switch opens the system shuts off the gas valve and enters the post purge mo
72. tion materials must remain on the water heater and be visible for reference by the user DO NOT attempt to remove these labels as they are a permanent part of this water heater as required by Certification Agencies and or the Federal Government DRAINING AND FLUSHING INTERIOR OF The water heater should be drained if being shut down during freezing temperatures Also periodic draining and cleaning of sediment from the tank may be necesary 3 TURN OFF GAS TO APPLIANCE VENTING SYSTEM INSPECTION A 59 N Open a nearby hot water faucet Open the heater drain valve Remove access cover on tank remove plate and Close the cold water inlet valve to the heater At least every 3 months a visual inspection should be made of the venting system You should look for clean out tank Replace all parts correctly WARNING THIS WATER WARNING CAN BE HOT Obstructions which cause improper venting Sagging or warping of vent pipes and air intakes 6 If the heater is going to be shut down and drained Damage or deterioration which could cause for an extended period the drain valve should be improper venting or leakage of combustion products left open Refer to Hydrogen Gas warning Page 30 7 To start heater again read paragraph OPERATION and LIGHTING INSTRUCTIONS A TAMPERING Tampering with the thermostat gas valve pilot burner or temperature a
73. to maintain sufficient backpressure If the vent is either too short or oversized the proof of flow pressure switch might not close and the burner will not ignite To correct for this some restriction has to be added at the vent end to increase the vent pressure Suitable restriction be provided by a 2 to 1 2 reducer fitting applied at the vent termination VENT LAYOUT CALCULATIONS l Determine configuration power or direct vent and select vent size and type 2 3 one or two pipe system Use Table 1 for Power Vent and Table 2 for Direct Vent configurations 2 Determine number of elbows required for vent system Corresponding number shown on the tables below under Number of elbows indicates the maximum length of exhaust system Do not include the elbow at the condensate trap Use the larger size vent material if system design exceeds allowable lengths Do not exceed either the number of allowed elbows or the allowed length of pipe corresponding to the number of elbows 3 Repeat step 2 for air intake side of system for direct vented installations Table DIRECT HR can SYSTEM POWER VENTING SINGLE PIPE EXHAUST ONLY Pip HE70 125 00 150 HEI00 199 HEI00 250 5 HE70 125 HE100 150 100 199 100 250 Size Iz E in Number of 90 Elbows long street style elbows only Went Configuration 0 2 3 4 5 6 type 2 N A 60 55 50 45 40 35 Horizontal 2 65 60 55 50 45 40 35 Vertical
74. trimental to operation FILTER INSPECTION AND SERVICE This appliance is provided with a built in air filter on the combustion air intake side e Every three months under normal use conditions More frequently if the unit is operated in a dusty or otherwise contaminated atmosphere the filter should be inspected for signs of clogging e If filter is blocked beyond a certain point a pressure switch will shut off the unit to prevent unsafe operation Do not bypass this switch under any condition do so will create a hazardous operating condition that can result in fire and personal injury or death and void any warranties e If filter medium is collecting contaminants the element should be removed and cleaned by gently blowing air on it from the rear surface e If filter is damaged it should be replaced before operating the water heater DO NOT operate the unit if there is no filter installed Doing so will void the warranty VENTS AND AIR INTAKES INSPECTION AND SERVICE Every three months under normal use conditions more frequently if the unit is operated under conditions that could adversely affect air intake it venting the venting system should be inspected and serviced m Following natural incidents such as storms flood earthquakes etc the unit and vent systems should be verified to be undamaged before putting the unit back in service Persons inspecting vents and intake should be able to identify condit
75. tructure Due to the normal corrosive action of the water the tank will eventually leak after an extended period of time Also any external plumbing leak including those from improper AN WARNING installation may cause early failure of the water tank due to corrosion if not repaired A qualified service technician should be contacted for repairs Location selection should be as close A suitable metal drain pan should be installed under the water heater as to the stack or chimney as practical shown below Figure to help protect the property from damage which may and as centralized with the piping occur from condensate formation or leaks in the piping connections or tank system as possible The pan must limit the water level to a maximum depth of 3 4 be at Water heater should be located in least two inches wider than the heater and piped to an adequate drain Locate an area not subject to freezing the water heater near a suitable indoor drain Outside drains are subject to temperatures freezing temperatures which can obstruct the drain line The piping should be The water heater should be located atleast 3 4 ID and pitched for proper drainage so that the controls and drain are Under no circumstances will the manufacturer or seller of this water heater easily accessible at least 24 inches be held liable for any water damage which is caused by your failure to follow front of the water heater these instructions Figure
76. tuh 15 12 inches 30 cm for appliances gt 10 000 Btuh 15 C Clearance to window or door that may be opened D Clearance to permanently closed window E Clearance to unventilated soffit F Clearance to outside corner Clearance to inside corner Clearance to each side of center line extended above meter regulator assembly I Clearance to service regulator vent outlet Clearance to non mechanical air supply inlet to 6 inches 15 cm for appliances lt 10 000 Btuh 3kW 9 inches 23 cm building or the combustion air inlet to any other for appliances gt 10 000 Btuh 3 kW and lt 50 000 Btuh I5kW appliance 12 inches 30 cm for appliances gt 50 000 Btuh 15 K Clearance to a mechanical air supply inlet 3 feet 9 cm above it within 10 feet 3 m horizontally L Clearance above paved sidewalk or paved driveway located on public property M Clearance under veranda porch deck or balcony 2 accordance with the current ANSIK 7223 National Fuel Gas Code vent shall not terminate directly above a sidewalk or paved driveway that islocated between two single family dwellings and serves both dwellings to permitted only if veranda porch deck or balcony is fully open on a minimum of two sides beneath the floor
77. tural gas supply Failure to follow these instructions can result in death explosion or carbon monoxide poisoning 36 TROUBLESHOOTING GUIDE American Standard Water Heater HE 70 and HE 100 Series United Technologies Model 1013 Ignition Indicator LED Codes Note To view flashing codes remove front cover to expose the ignition module LED indicators located on the module Face Error Condition LED Indicators On Indicated f oe UT Ignition Control By Flashing Automatic Ignition Control Action What To Check LED s Green Power LED illuminated System Power On Will remain illuminated while voltage is applied to the control D PrePurse InterP Cyd Will only illuminate during the 10 second Red Purge LED illuminated pre purge inter purge and 5 second post purge Red Igniter LED naked HSI Energized Warm Up Will only illuminate for the 30 second igniter warm up time Will illuminate for the 6 second trial Red Valve LED illuminated Gas Valve Energized for ignition period and remain glowing throughout the thermostat call for heat cycle Main B lahition Establiched Will illuminate during flame sense Red Flame LED illuminated rectification and remain glowing throughout the thermostat call for heat cycle If additional transformers are used Green Power LED Flashing Power Input 24VAC Over Voltage i e zone controls check wirin connections for proper phase alignme
78. utrali so that the exhaust pipe is in a vertical position close to the surface of the water heater Too Floor Drain or Condensate Pump CONDENSATE DRAIN LINE Important If required by local codes install a condensate neutralizer cartridge in the drain line The drain line must All parts of the condensate trap are PVC figure 10 be routed to a suitable drain If no drain is available or This assembly can be turned with the outlet of the tee the drain is above the level of the condensate line install a oriented as needed condensate pump that is resistant to the acidic condensate Once orientation direction is decided glue the unglued These pumps are available from local distributors If the joints Connect the remaining piping and run the pump is not resistant to acidic water a condensate condensate drain line to a suitable drain neutralizer must be used ahead of the pump 12 When installing the drain line note the following Plastic pipe or tubing must be used to connect the condensate drain to a suitable drain or condensate pump Do not use copper tubing iron or steel pipe for the condensate drain line Condensate drain lines should be installed in temperature controlled areas only Drain lines installed in areas that are subject to freezing temperatures should be wrapped with a nationally recognized listed heat tape that is suitable for plastic pipe and or approved insulation for freeze protection Install per

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