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Water Heater Innovations 196284-001 User's Manual

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1. 27 i6 32 feo 126 190 ss7 571 1010 2106 31 i5 3o sr 7 182 387 542 52 1982 38 15 27 sr 0s 161 299 483 664 1757 as iz 25 sr 95 146 zr 439 76 1610 5 n pz 4 es 155 249 401 7 150 234 375 685 Ah warninc THE HEATER IS NOT INTENDED FOR OPERATION AT HIGHER THAN 14 0 W C 3 48 kPa NATURAL GAS OR 14 0 W C 3 48 kPa PROPANE GAS SUPPLY PRESSURE EXPOSURE TO HIGHER SUPPLY PRESSURE MAY CAUSE DAMAGE TO THE GAS VALVE WHICH COULD RESULT IN FIRE OR EXPLOSION IF OVERPRESSURE HAS OCCURRED SUCH AS THROUGH IMPROPER TESTING OF GAS LINES OR EMERGENCY MALFUNCTION OF THE SUPPLY SYSTEM THE GAS VALVE MUST BE CHECKED FOR SAFE OPERATION MAKE SURE THAT THE OUTSIDE VENTS ON THE SUPPLY REGULATORS AND THE SAFETY VENT VALVES ARE PROTECTED AGAINST BLOCKAGE THESE ARE PARTS OF THE GAS SUPPLY SYSTEM NOT THE HEATER VENT BLOCKAGE MAY OCCUR DURING ICE STORMS IT IS IMPORTANT TO GUARD AGAINST GAS VALVE FOULING FROM CONTAMINANTS IN THE GAS WAYS SUCH FOULING MAY CAUSE IMPROPER OPERATION FIRE OR EXPLOSION IF COPPER SUPPLY LINES ARE USED THEY MUST BE INTERNALLY TINNED AND CERTIFIED FOR GAS SERVICE BEFORE ATTACHING THE GAS LINE BE SURE THAT ALL GAS PIPE IS CLEAN ON THE INSIDE TO TRAP ANY DIRT OR FOREIGN MATERIAL IN THE GAS SUPPLY LINE A DIRT LEG SOMETIMES CALLED SEDIMENT TRAP OR DRIP LEG MUST BE INCORPORATED IN THE PIPING SEE FIGURE 5 THE DIRT LEG MUST BE READILY ACCESSIBLE AND NOT SUB
2. This water heater is equipped with a automatic reset type high limit Energy Cutoff sensor The high limit switch interrupts the pilot and main burner gas flow should the water temperature reach 205 96 C The high limit will automatically reset when the water temperature drops below 140 F 60 C A WARNING THE GAS VALVE MUST HAVE BEEN IN THE OFF POSITION FOR AT LEAST 5 MINUTES This waiting period is an important safety step Its purpose is to permit gas that may have accumulated in the combustion chamber to clear IF YOU DETECT GAS ODOR AT THE END OF THIS PERIOD DO NOT PROCEED WITH LIGHTING RECOGNIZE THAT GAS ODOR EVEN IF IT SEEMS WEAK MAY INDICATE PRESENCE OF ACCUMULATED GAS SOMEPLACE IN THE AREA WITH RISK OF FIRE OR EXPLOSION SEE THE FRONT PAGE FOR STEPS TO BE TAKEN Before lighting the pilot and operating the heater the following conditions must exist Entire system filled with water Air purged from all lines and no leaks gas and water All gas and water lines open SHOULD OVERHEATING OCCUR OR THE GAS SUPPLY FAIL TO SHUT OFF TURN OFF THE MANUAL GAS CONTROL VALVE TO THE APPLIANCE SERVICE INFORMATION The installer may be able to observe and correct certain problems which may arise when the unit is put into operation HOWEVER it is recommended that only qualified servicemen using appropriate test equipment be allowed to service the heater FOR YOUR SAFETY AND SATISFACTORY OPERATION IT IS RECOMMENDED THAT T
3. corrosion and other deficiencies which could cause an unsafe condition So far as is practical close all building doors and windows and all doors between the space in which the water heater s connected to the venting system are located and other spaces of the building Turn on all appliances not connected to the venting system Turn on all exhaust fans such as range hoods and bathroom exhausts so they shall operate at maximum speed Close fireplace dampers Follow the lighting instruction Place the water heater being inspected in operation Adjust thermostat so appliance shall operate continuously Test for draft hood spillage at the relief opening after 5 minutes of main burner operation After it has been determined that each appliance connected to the venting system properly vents when tested as outlined above return doors windows exhaust fans fireplace dampers and any other gas burning appliance to their previous conditions of use If improper venting is observed during any of the above tests the venting system must be corrected A WARNING FAILURE TO CORRECT BACK DRAFTS MAY CAUSE AIR CONTAMINATION AND UNSAFE CONDITIONS If the back draft cannot be corrected by the normal method or if a suitable draft cannot be obtained a blower type flue gas exhauster must be employed to assure proper venting and correct combustion HIGH TEMPERATURE LIMIT SWITCH Auto Reset Type Energy Cut Off TO RESET AUTOMATIC GAS SHUTOFF
4. Model Designator Sample 75 75 NE Letter Designator 75 Gallons Capacity of Unit 75 kBTU Approx Rating of Unit N Gas Type Natural E 3 Year Warranty FIGURE 1 DIMENSIONS Model Units Cc D E F H J M 75 Inches 29 11 16 261 2 153 16 4 16 11 4 11 15 16 Natural amp LP CM 75 4 67 3 38 6 10 2 40 6 3 2 30 3 100 Inches 291146 261 2 153 16 4 16 11 4 11 4 11 15 16 Natural CM 75 4 67 3 38 6 10 2 40 6 3 2 NPT 30 3 100 Inches 3015 16 2734 153 16 4 16 11 4 11 4 11 15 16 LP CM 78 59 70 5 38 6 10 2 40 6 3 2 NPT 30 3 FOREWORD The design of models 75 and 100 comply with the latest version local area where the installation is to be made These shall be of ANSI Z21 10 3 CSA 4 3 as automatic storage or automatic carefully followed in all cases Authorities having jurisdiction circulating tank type water heaters should be consulted before installations are made Installation diagrams are found in this manual These diagrams The installation must conform to these instructions and the local will serve to provide the installer with a reference for the materials code authority having jurisdiction In the absence of local codes and method of piping necessary It is highly essential that all the installation must comply with the latest editions of the National water and gas piping be installed as shown on the diagrams Fuel Gas Code ANSI Z223 1 NFPA 54 This publication is available from the Canadian Standards Associat
5. THE TEMPERATURE AT WHICH INJURY OCCURS VARIES WITH THE PERSON S AGE AND THE TIME OF THE EXPOSURE THE SLOWER RESPONSE TIME OF CHILDREN AGED OR DISABLED PERSONS INCREASES THE HAZARDS TO THEM NEVER ALLOW SMALL CHILDREN TO USE A HOT WATER TAP OR TO DRAW THEIR OWN BATH WATER NEVER LEAVE A CHILD OR DISABLED PERSON UNATTENDED IN A BATHTUB OR SHOWER THE WATER HEATER SHOULD BE LOCATED IN AN AREA WHERE THE GENERAL PUBLIC DOES NOT HAVE ACCESS IF ASUITABLE AREA IS NOT AVAILABLE ACOVER SHOULD BE INSTALLED OVER THE THERMOSTAT TO PREVENT TAMPERING Suitable covers are available through Apcom Inc 125 Southwest Parkway Franklin TN 37065 or contact them by phone 615 794 5574 or fax 615 791 0660 GAS CONTROL KNOB Time to Produce 2nd amp 3rd Degree Burns on Adult Temperature Setting VERY HOT APPROX 180F 82 C D APPROX 160F 71 C C APPROX 150F 65 C B APPROX 140F 60 C A APPROX 130 54 C A APPROX 120 F 49 C LOW APPROX 100 F 37 8 C FIGURE 7 Nearly instantaneous About 1 2 second About 1 1 2 seconds Less than 5 seconds About 30 seconds More than 5 minutes It is recommended that lower water temperatures be used to avoid the risk of scalding It is further recommended in all cases that the water temperature dial be set for the lowest temperature which satisfies your hot water needs This will also provide the most 12 energy efficient operation of the water heater The water temperature adjustin
6. accordance with local codes The locations of the relief valves shown in the installation diagrams are typical The heater has a factory installed high temperature limit switch For circulating heaters the separate storage vessel must have a temperature and pressure relief valve installed This valve shall comply with the standard for relief valves and automatic gas shutoff devices for hot water supply systems Cold water inlet lines to heater should be installed as shown in order to minimize gravity circulation of hot water to building cold water lines GAS PIPING Contact your local gas service company to ensure that adequate gas service is available and to review applicable installation codes for your area SINGLE TEMPERATURE VACUUM RELIEF VALVE INSTALL PER LOCAL CODES HOT WATER WATER INLET INSTALL THERMAL EXPANSION TANK OR DEVICE IF CHECK VALVE OR PRESSURE REDUCING VALVE IS USED IN SUPPLY A WARNING TEMPERATURE SETTING SHOULD NOT EXCEED SAFE USE TEMPERATURE AT FIXTURES SEE TEMPERATURE REGULATION ON PAGE 12 IFHIGHER PREHEAT TEMPERATURES ARE NECESSARY TO OBTAIN ADEQUATE BOOSTER OUTPUT ADD AN ANTI SCALD VALVE FOR HOT WATER SUPPLIED TO FIXTURES Size the main gas line in accordance with Table 1 The figures shown are for straight lengths of pipe at 0 5 in W C pressure drop which is considered normal for low pressure systems Note Fittings such as elbows tees and line regulators will add to the
7. and hold it down Immediately light the pilot with a match 11 A FIGURE C THERMOPILE ON POSITION FIGURE D Continue to hold the gas control knob down for about one 1 minute after the pilot is lit Release the gas control knob and it will pop back up Pilot should remain lit If it goes out repeat Steps 3 through 8 It may take several minutes for air to clear the lines before the pilot will light f knob does not pop up when released stop and immediately call your service technician or gas supplier If the pilot will not stay lit after several tries turn the gas control knob to OFF Figure A and call your service technician or gas supplier Replace inner and outer burner doors At arm s length away turn gas control knob counterclockwise Y to on Figure C Set thermostat to desired setting See Figure CAUTION Hotter water increases the risk of scald injury Consult the instruction manual before changing temperature TO TURN OFF GAS TO APPLIANCE 1 Set the thermostat to lowest setting 2 Push the gas control knob down slightly and turn clockwise X to OFF Figure A Do not force 11 TEMPERATURE REGULATION 44 DANGER A DANGER THIS WATER HEATER IS EQUIPPED WITH AN ADJUSTABLE THERMOSTAT TO CONTROL WATER TEMPERATURE HOT WATER TEMPERATURES REQUIRED FOR AUTOMATIC DISHWASHER AND LAUNDRY USE CAN CAUSE PAINFUL SCALDING WITH POSSIBLE SERIOUS AND PERMANENT INJURY
8. over the existing labels e Doinspect the insulation blanket frequently to make certain it does not sag thereby obstructing combustion air flow CIRCULATING PUMP A circulating pump is used when a system requires a circulating loop or there is a storage tank used in conjunction with the heater Install the system in accordance with the latest version of the National Electric Code ANSI NFPA No 70 Drain pans suitable for these heaters are available from your distributor or Apcom Inc 125 Southwest Parkway Franklin TN 37065 or contact them by phone 615 794 5574 or fax 615 791 0660 Water heater life depends upon water quality water pressure and the environment in which the water heater is installed Water heat ers are sometimes installed in locations where leakage may re sult in property damage even with the use of a drain pan piped to a drain However unanticipated damage can be reduced or pre vented by a leak detector or water shutoff device used in conjunc tion with a piped drain pan These devices are available from some plumbing supply wholesalers and retailers and detect and react to leakage in various ways Sensors mounted in the drain pan that trigger an alarm or turn off the incoming water to the water heater when leakage is detected Sensors mounted in the drain pan that turn off the water supply to the entire home when water is detected in the drain pan e Water supply shutoff devices that activate based on
9. the same room with a heater sufficient openings for air must be provided in the walls UNDERSIZED OPENINGS WILL CAUSE AIR TO BE DRAWN INTO THE ROOM THROUGH THE CHIMNEY CAUSING POOR COMBUSTION SOOTING MAY RESULT IN SERIOUS DAMAGE TO THE HEATER AND RISK OF FIRE OR EXPLOSION UNCONFINED SPACE In buildings of conventional frame brick or stone construction unconfined spaces may provide adequate air for combustion ventilation and draft hood dilution If the unconfined space is within a building of tight construction buildings using the following construction weather stripping heavy insulation caulking vapor barrier etc air for combustion ventilation and draft hood dilution must be obtained from outdoors The installation instructions for confined spaces in tightly constructed buildings must be followed to ensure adequate air supply CONFINEDSPACE When drawing combustion and dilution air from inside a conventionally constructed building to a confined space such a space shall be provided with two permanent openings ONE IN OR WITHIN 12 INCHES 305mm OF THE ENCLOSURE TOP AND ONE IN OR WITHIN 12 INCHES 305mm OF THE ENCLOSURE BOTTOM Each opening shall have a free area of at least one square inch per 1000 Btu Hr 2203mm kW of the total input of all appliances in the enclosure but not less than 100 square inches 645cm If the confined space is within a building of tight construction air for combustion ventilation and
10. the water pressure differential between the cold water and hot water pipes connected to the water heater Devices that will turn off the gas supply to a gas water heater while at the same time shutting off its water supply For appliance installation locations with elevations above 2000 feet 610 meters referto HIGH ALTITUDE INSTALLATIONS section of this manual for input reduction procedure HIGH ALTITUDE INSTALLATIONS Ah warninc INSTALLATIONS ABOVE 2000 FEET 610 METERS REQUIRE REPLACEMENT OF THE BURNER ORIFICE IN ACCORDANCE WITH SECTION 8 1 2 OF THE NATIONAL FUEL GAS CODE ANSI Z223 1 FAILURE TO REPLACE THE ORIFICE WILL RESULT IN IMPROPER AND INEFFICIENT OPERATION OF THE APPLIANCE RESULTING IN THE PRODUCTION OF INCREASED LEVELS OF CARBON MONOXIDE GAS IN EXCESS OF SAFE LIMITS WHICH COULD RESULT IN SERIOUS PERSONAL INJURY OR DEATH You should contact your gas supplier for any specific changes which may be required in your area As elevation above sea level is increased there is less oxygen per cubic foot of air Therefore the heater input rate should be reduced at high altitudes for satisfactory operation with the reduced oxygen supply Failure to make this reduction would result in an overfiring of the heater causing sooting poor combustion and or unsatisfactory heater performance Ratings specified by manufacturers for most appliances apply for elevations up to 2000 feet 610m For elevations above 2000 feet 610m rat
11. 0 and 11 to put the water heater back in operation CHECK FOR GOOD FLOW OF COMBUSTION AND VENTILATING AIR TO THE UNIT MAINTAIN A CLEAR OPEN AREA AROUND THE HEATER AT ALL TIMES DO NOT STORE COMBUSTIBLES OR FLAMMABLE LIQUIDS NEAR OR AROUND AN APPLIANCE CHECKING GAS INPUT For appliance installation locations with elevation above 2000 ft 610m refer to HIGH ALTITUDE INSTALLATIONS section of this manual for input reduction procedure With this heater in operation determine whether it is receiving the full rated input of gas This may be done by timing the gas meter and measuring gas pressure with a gauge or manometer When the heater is operating at full capacity full gas input it should consume approximately 1 cubic foot of gas in the time shown in Table 3 TABLE 3 INPUT CHECK TIME REQUIRED TO CONSUME 1 CU FT OFGAS Type of BTU Per Gas Cu Ft Approx Time Required To Consume 1 Cu Ft of Gas Propane 2500 119 8 sec 100 Natural 1050 50 3 sec Propane 2500 119 8 sec Use this formula to clock the meter Be sure that other gas consuming appliances are not operating during this interval 3 600 X H Btu Hr T T Time in seconds needed to burn one cubic foot of gas H Heating value of gas in Btu s per cubic foot of gas Btu Hr Actual heater input rate Example Using 75 heater T 50 3 secondsj ft H 1 050 Btu ft natural gas Btu Hr 3 600 X 1 050 75 100 Btu Hr 22 0kW 50 3 C
12. CLOSED NEVER OPERATE THE HEATER WITHOUT FIRST BEING CERTAIN IT IS FILLED WITH WATER AND A TEMPERATURE AND PRESSURE RELIEF VALVE IS INSTALLED IN THE RELIEF VALVE OPENING OF THE HEATER DO NOTATTEMPT TO OPERATE HEATER WITH COLD WATER INLET VALVE CLOSED TO OPERATE THE WATER HEATER 1 Close the heater drain valve by turning handle clockwise X 2 Open a nearby hot water faucet to permit the air in the system to escape 3 Fully open the cold water inlet pipe valve allowing the heater and piping to be filled 4 Close the hot water faucet as water starts to flow 5 The heater is ready to be operated A checklist is included in the SERVICE INFORMATION section of this manual By using this checklist the user may be able to make minor operational adjustments and save himself unnecessary service calls However the user should not attempt repairs which are not listed in this section PURGING Gas line purging is required with new piping or systems in which air has entered caution PURGING SHOULD BE PERFORMED BY PERSONS EXPERIENCED IN THIS TYPE GAS SERVICE TO AVOID RISK OF FIRE OR EXPLOSION PURGE DISCHARGE MUST NOT ENTER CONFINED AREAS OR SPACES WHERE IGNITION CAN OCCUR THE AREA MUST BE WELL VENTILATED AND ALL SOURCES OF IGNITION MUST BE INACTIVATED OR REMOVED TABLE 2 MANIFOLD PRESSURE SETTING Model Type of Number Gas 75 100 Btu hr 22 kW 4 0 in W C 100 Propane 75 100 Btu hr Manifold Pressure 1 0 kP
13. COMMERCIAL GAS WATER HEATER Glass Lined Tank Type Water Heater INSTALLATION OPERATION SERVICE MAINTENANCE EFFICIENCY RATING CERTIFIED Thank you for buying this energy efficient water heater We appreciate your confidence in our products 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 Do not try to light any appliance Do not touch any electrical switch do not use any phone in your building Immediately call your gas supplier from a neighbor s phone Follow the gas supplier s instructions If you cannot reach your gas supplier call the fire department Installation and service must be performed by a qualified installer service agency or the gas supplier A CAUTION TEXT IN BLACK BOLD TYPE OR UNDERLINED CONTAINS INFORMATION RELATIVE TO YOUR SAFETY PLEASE READ THOROUGHLY BEFORE INSTALLING AND USING THIS APPLIANCE PLACE THESE INSTRUCTIONS ADJACENT TO HEATER AND NOTIFY OWNER TO KEEP FOR FUTURE REFERENCE PRINTED IN U S A 1004 PART NO 196284 001 ROUGH IN DIMENSIONS HOT WATER TOP VIEW F 1 COLD WATER INLET TEMPERATURE AND PRESSURE RELIEF VALVE DRAIN VALVE j 1 UNDERSTANDING YOUR MODEL
14. HIS HEATER BE CHECKED ONCE A YEAR BY ACOMPETENT SERVICE PERSON USERS OF THIS APPLIANCE SHOULD BE AWARE THAT GAS COMPONENTS WEAR OUT OVER A PERIOD OF TIME THE GAS CARRYING COMPONENTS OF THIS APPLIANCE SHOULD BE INSPECTED FOR PROPER OPERATION PERIODICALLY BY A QUALIFIED SERVICE TECHNICIAN PILOT AND MAIN BURNER Check pilot and main burner figure 8 every 12 months for proper flame characteristics This is done by removing door s on heater The main burner should provide complete combustion of gas 13 ignite rapidly give reasonably quiet operation cause no excessive flame lifting from the burner ports Make sure that the flow of combustion and ventilation air is not blocked THERMOCOUPLE PILOT OR GENERATOR BURNER 3 8 TO 1 2 PROPANE THERM OLE EI MER BURKER NATURAL FIGURE 8 If proper flame characteristics are not evident check for accumulation of lint or other foreign material that restricts or blocks the air openings in the heater or burner A WARNING SOOT BUILD UP INDICATES A PROBLEM THAT REQUIRES CORRECTION BEFORE FURTHER USE CONSULT WITH A QUALIFIED SERVICE TECHNICIAN Should the main burner or burner air openings require cleaning turn off the gas to the water heater Follow to turn off gas to appliance on pages 10 and 11 and allow the burner to cool Remove the burner and clean with a soft brush Clean main burner orifice with a suitable soft material Follow lighting instructions on pages 1
15. INLET SS THERMOMETER PIPE RELIEF VALVE LINE TO OPEN DRAIN GAS a a SHUT OFF CIRCULATING RETURN LINE CONNECTIONS L SEDIMENT TRAP DRAIN VALVE 5 TEMPERED WATER LOOP IF USED CONNECT TO POINT A STORED TEMPERATURE WATER LOOP IF USED CONNECT TO COLD WATER INLET CAUTION IF BUILDING COLD WATER SUPPLY HAS A BACK FLOWPREVENTER CHECK VALVE OR WATER METER WITH CHECK VALVE PROVISIONS FOR THERMAL EXPANSION OF WATER IN THE HOT WATER SYSTEM MUST BE PROVIDED HEATER FIGURE 4 Ah warninc THE PURPOSE OF RELIEF VALVE IS TO AVOID EXCESSIVE PRESSURE OR TEMPERATURE INTO THE STEAM RANGE WHICH MAY CAUSE SCALDING AT FIXTURES TANK EXPLOSION SYSTEM OR HEATER DAMAGE NO VALVE IS TO BE PLACED BETWEEN THE RELIEF VALVE AND TANK Your local code authority may have other specific relief valve requirements ADRAIN LINE MUST BE CONNECTED TO THE RELIEF VALVE TO DIRECT DISCHARGE TO A SAFE LOCATION TO AVOID SCALDING OR WATER DAMAGE THIS LINE MUST NOT BE REDUCED FROM THE SIZE OF THE VALVE OUTLET AND MUST NOT CONTAIN VALVES RESTRICTIONS NOR SHOULD IT BE LOCATED IN FREEZING AREAS DO NOT THREAD OR CAP THE END OF THIS LINE RESTRICTED OR BLOCKED DISCHARGE WILL DEFEAT THE PURPOSE OF THE VALVE ANDIS UNSAFE DISCHARGE LINE SHALL BE INSTALLED TO ALLOW COMPLETE DRAINAGE OF BOTH THE VALVE AND LINE See SERVICE INFORMATION section for procedure and precautions The type size and location of the relief valves must be in
16. ION Hotter water increases the risk should remain lit If it goes out repeat Steps 3 through 8 It may take several minutes for air to clear the lines before the pilot will light f knob does not pop up when released stop Push gas control knob down all the way and hold it of scald injury Consult the instruction down Immediately light the pilot with a match manual before changing temperature TO TURN OFF GAS TO APPLIANCE 1 Set the thermostat to lowest setting 2 Push the gas control knob down slightly and turn clockwise X to OFF Figure A Do not force 10 FOR YOUR SAFETY READ BEFORE LIGHTING WARNING If you do not follow these instructions exactly a fire or explosion may result causing property damage personal injury or loss of life FLAMMABLE BEFORE LIGHTING ENTIRE SYSTEM MUST BE FILLED WITH WATER AND AIR PURGED AT FAUCETS A This appliance has a pilot which must be lighted by hand When lighting the pilot follow these instructions exactly BEFORE LIGHTING smell all around the appliance area for gas Be sure to smell next to the floor because some gas is heavier than air and will settle on the floor WHAT TO DO IF YOU SMELL GAS Do not try to light any appliance Do not touch any electric switch do not use any phone in your building Immediately call your gas supplier from a neighbor s phone Follow the gas supplier s instructions C If you cannot reach your gas supplier call
17. JECT TO FREEZING CONDITIONS INSTALL INACCORDANCE WITH RECOMMENDATIONS OF SERVING GAS SUPPLIERS REFER TO THE LATEST VERSION OF THE NATIONAL FUEL GAS CODE MAIN GAS VALVE GAS CONTROL GROUND JOINT UNION OPTIONAL DIRT LEG SEDIMENT TRAP 76 2 mm GAS PIPING AND DIRT LEG INSTALLATION FIGURE5 To prevent damage care must be taken not to apply too much torque when attaching gas supply pipe to gas valve inlet Apply joint compounds pipe dope sparingly and only to the male threads of pipe joints Do not apply compounds to the first two threads Use compounds resistant to the action of liquefied petroleum gases BEFORE PLACING THE HEATER IN OPERATION CHECK FOR GAS LEAKAGE Use soap and water solution or other material acceptable for the purpose in locating the leaks DO NOT USE MATCHES CANDLES FLAME OR OTHER SOURCES OF IGNITION FOR THIS PURPOSE DISCONNECT THE HEATER AND ITS MANUAL GAS SHUTOFF VALVE FROM THE GAS SUPPLY PIPING SYSTEM DURING ANY SUPPLY PRESSURE TESTING EXCEEDING 1 2 PSIG 3 45 kPa GAS SUPPLY LINE MUST BE CAPPED WHEN DISCONNECTED FROM THE HEATER FOR TEST PRESSURES OF 1 2 PSIG 3 45 kPa OR LESS THE APPLIANCE NEED NOT BE DISCONNECTED BUT MUST BE ISOLATED FROM THE SUPPLY PRESSURE TEST BY CLOSING THE MANUAL GAS SHUTOFF VALVE GAS METER SIZE Be sure the gas meter has sufficient capacity to supply the full rated gas input of the water heater as well as the requirements of all other gas fired e
18. LATION INCORRECT INSTALLATION WITH NO UPWARD ANGLE Y PROVIDE MAXIMUM VERTICAL RISE OF VENT DIRECTLY ABOVE HEATER DRAFT HOOD BEFORE TURNING INTO HORIZONTAL RUN FIGURE 2 DRAFT HOOD The draft hood furnished with this heater must be installed without alteration Provision must be made if it is installed in confined space or a small room to accommodate draft hood spillage and avoid risks described in previous steps The upper air opening called for in the AIR REQUIREMENTS section of this manual is for this purpose Locate the 3 brackets and 6 screws in the installation instruction bag Secure each bracket to the draft hood leg with the screws furnished Place the draft hood on the water heater so that legs of the draft hood fit into the slots on the jacket top see figure 3 Once the draft hood with brackets attached is in place drill a small pilot hole through bracket hole into the jacket top WARNING DO NOT PENETRATE THE JACKET TOP BY MORE THAN 1 4 6 4 mm Secure the brackets to the jacket top with the screws furnished see Figure 3 DRAFTHOOD BRACKET L o FIGURE 3 VENT CONNECTION Vent connections must be made to an adequate stack or chimney Size and install proper size vent pipe Do not reduce pipe size to less than that of the draft hood outlet Horizontal runs of vent pipe must have a minimum upward slope toward the chimney of 1 4 inch per foot Dampers or other obstructions must not be installed i
19. RE A FIGURE B FIGURE C B nos MAIN BURNER OFF POSITION PILOT POSITION ON POSITION GAS CONTROL TOP VIEW FIGURE D STOP Read the safety information above Continue to hold the gas control knob down for on this label about one 1 minute after the pilot is lit Release Set the thermostat to the lowest setting by turning the gas control knob and it will pop back up Pilot thermostat dial fully clockwise Y until it stops Push the gas control knob down slightly and turn clockwise X to OFF Figure A NOTE Gas control knob CANNOT be turned from PILOT OPE unless Ris pushed down sightly and immediately call your service technician Do not force Remove the inner and outer doors located below or gas supplier and behind the gas control unit If the pilot will not stay lit after several tries turn Wait five 5 minutes to clear out any gas If you the gas control knob to OFF Figure A and then smell gas STOP Follow B in the safety call your service technician or gas supplier information above on this label Ifyou 9 Replace inner and outer burner doors do not smell gas go to the next step 10 At arm s length away turn gas control knob Find Pilot Follow metal tube from the bottom right counterclockwise f to on Figure C of the gas control to the pilot burner Figure D 3 Turn gas control knob counterclockwise to 11 Set thermostat to desired setting See Figure PILOT Figure B CAUT
20. To clean heater through cleanout opening proceed as follows Drain heater 2 Remove outer cover plate from lower side of heater jacket 3 Remove six 6 hex head screws securing tank cleanout plate and remove plate 4 Remove lime scale or sediment using care not to damage the glass lining 5 Inspect cleanout plate gasket if new gasket is required see replacement parts list for item number 6 Install cleanout plate Be sure to draw plate up tight by tightening screws securely 7 Replace outer jacket cover plate SS INSTALL ay 3 4 x 3 fe NIPPLE p 3 4 X 4 NIPPLE C HOSE zx vA OR DRAIN VALVE n NIPPLE 4 E en oe an REMOVE FOAMING AA COVER INDICATES AES POSITION DELIMING ACTIVITY Pan Da FLOW JUG u CARTON DRAIN POSITION GRADUATIONS FIGURE 9 In some water areas the sediment might not be removed by this method and may result in the water heater making rumbling or boiling noises To dissolve and remove these more stubborn mineral deposits UN LIME Professional Delimer should be used DELIMING USING FLO JUG METHOD UN LIME in the 5 gallon size is recommended for deliming of the 75 and 100 models UNeLIME with the necessary hoses and fittings to delime your heater is also available as a kit Up N Down Transfer Kit Contact your Water Heater dealer or distributor Prepare the Water Heater To delime the water heater using the Flo Jug method first prepare the heater for deliming Then ins
21. VALVE TO THE APPLIANCE HOT WATER ODOR On occasion hot water may develop a strong odor If this occurs drain the heater completely flush thoroughly and refill If the problem persists chlorination of the heater and replacement of the factory installed magnesium anodes with aluminum anodes may correct the condition Occasionally water softener companies recommend removal of heater anodes for odor reasons A CAUTION Unauthorized removal of heater anode s will void the warranty Replace the anode as necessary to maintain corrosion protection For further information contact your dealer ANODE ROD INSPECTION The heater tank is equipped with anode rods to provide corrosion control At least once a year the anode rods should be checked to determine if replacement is necessary Initially the anode rods are approximately 7 8 22mm in diameter with a 1 8 3mm diameter steel core wire running down the center of the anode material THE ANODES SHOULD BE REPLACED when the 1 8 3mm diameter core wire is visible as this means that the anode material has been expended in the control of corrosion NOTE Anode rod inspection may need to be made more frequently in areas subject to acid rain that obtains their water supply from surface water as the low pH will accelerate anode activity CAUTION Close cold water inlet valve serving heater and open nearby hot water faucet to relieve the pressure in the heater before attempting to remove an
22. a 2 5 kPa 1 0 kPa 22 kW 10 0 in W C 2 5 kPa FOR YOUR SAFETY READ BEFORE LIGHTING WARNING If you do not follow these instructions exactly a fire or explosion may result causing property damage personal injury or loss of life brc BEFORE LIGHTING ENTIRE SYSTEM MUST BE FILLED WITH WATER AND AIR PURGED AT FAUCETS This appliance has a pilot which must be lighted e f you cannot reach your gas supplier call the by hand When lighting the pilot follow these fire department instructions exactly BEFORE LIGHTING smell all around the appliance Use only your hand to push down or turn the gas area for gas Be sure to smell next to the floor control knob Never use tools If the knob will not because some gas is heavier than air and will push down or turn by hand don t try to repair it call settle on the floor a qualified service technician Force or attempted WHAT TO DO IF YOU SMELL GAS repair may result in a fire or explosion Do not try to light any appliance Do not touch any electric switch do not use Do not use this appliance if any part has been any phone in your building under water Immediately call a qualified service Immediately call your gas supplier from a technician to inspect the appliance and to replace neighbor s phone Follow the gas suppliers any part of the control system and any gas control instructions which has been under water LIGHTING INSTRUCTIONS THERMOCOUPLE I BURNER Ts GAS CONTROL FIGU
23. as LP gas must be used with great caution It is highly explosive and heavier than air It collects first in the low areas making its odor difficult to detect at nose level If LP gas is present or even suspected do not attempt to find the cause yourself Go to a neighbor s house leaving your doors open to ventilate the house then call your gas supplier or service agent Keep area clear until a service call has been made At times you may not be able to smell an LP gas leak One cause is odor fade which is a loss of the chemical odorant that gives LP gas its distinctive smell Another cause can be your physical condition such as having a cold or diminishing sense of smell with age For these reasons the use of a propane gas detector is recommended IF YOU EXPERIENCE AN OUT OF GAS SITUATION DO NOTTRYTO RELIGHT APPLIANCES YOURSELF ask your LP delivery person to relight pilots for you Only trained LP professionals should conduct the required safety checks in accordance with industry standards EXTENDED NON USE PERIODS A WARNING HYDROGEN GAS CAN BE PRODUCED INA HOT WATER SYSTEM SERVED BY THIS HEATER THAT HAS NOT BEEN USED FOR ALONG PERIOD OF TIME GENERALLY TWO WEEKS OR MORE HYDROGEN GAS IS EXTREMELY FLAMMABLE To reduce the risk of injury under these conditions it is recommended that the hot water faucet be opened for several minutes at the kitchen sink before using any electrical appliance connected to the hot water system If
24. draft hood dilution must be obtained from outdoors When directly communicating with the outdoors or communicating with the outdoors through vertical ducts two permanent openings located in the above manner shall be provided Each opening shall have a free area of not less than one square inch per 4000 Btu Hr 551mm kW of the total input of all appliances in the enclosure If horizontal ducts are used each opening shall have a free area of not less than one square inch per 2000 Btu Hr 1102mm kW of the total input of all appliances in the enclosure WATER POTABLE HEATING AND SPACE HEATING 1 All piping components connected to this unit for space heating applications shall be suitable for use with potable water 2 Toxic chemicals such as those used for boiler treatment shall NEVER be introduced into this system 3 This unit may NEVER be connected to any existing heating system or component s previously used with a non potable water heating appliance 4 When the system requires water for space heating at temperatures higher than required for domestic water purposes a tempering valve must be installed see Figure 4 A CAUTION A closed system will exist if a check valve without bypass pressure reducing valve without bypass or a water meter without bypass is installed in the cold water line between the water heater and street main or well Excessive pressure may develop in such closed systems causing premature tan
25. g dial was factory set at the lowest temperature all the way clockwise to the mechanical stop Turning the dial counterclockwise f increases temperature and clockwise x reduces temperature SETTING THE WATER HEATER TEMPERATURE AT 120 F 49 C APPROX A MARK ON FACE OF THERMOSTAT WILL REDUCE THE RISK OF SCALDS Some states require settings at specific lower temperatures Figure 7 shows the approximate water temperatures produced at various thermostat dial settings Short repeated heating cycles caused by small hot water uses can cause temperatures at the point of use to exceed the thermostat setting by up to 20 F 11 C If you experience this type of use you should consider using lower temperature settings to reduce scald hazards Valves for reducing point of use temperature by mixing cold and hot water are available Also available are inexpensive devices that attach to faucets to limit hot water temperatures Contact a licensed plumber or the local plumbing authority CHECK VENTING The following steps shall be followed with each appliance connected to the venting system placed in operation while any other appliances connected to the venting system are not in operation 1 Seal any unused openings in the venting system 2 Inspect the venting system for proper size and horizontal pitch as required in the National Fuel Gas Code ANSI Z223 1 and these instructions Determine that there is no blockage or restriction leakage
26. hnician to inspect the appliance and to replace any part of the control system and any gas control which has been under water IF THE UNIT IS EXPOSED TO THE FOLLOWING DO NOT OPERATE HEATER UNTILALL CORRECTIVE STEPS HAVE BEEN MADE BY A QUALIFIED SERVICEMAN 1 EXTERNAL FIRE 2 DAMAGE 3 FIRING WITHOUT WATER 4 SOOTING CHEMICAL VAPOR CORROSION A WARNING CORROSION OF THE FLUEWAYS AND VENT SYSTEM MAY OCCUR IF AIR FOR COMBUSTION CONTAINS CERTAIN CHEMICAL VAPORS SUCH CORROSION MAY RESULT IN FAILURE AND RISK OF ASPHYXIATION Spray can propellants cleaning solvents refrigerator and air conditioning refrigerants swimming pool chemicals calcium and sodium chloride water softener salt waxes and process chemicals are typical compounds which are potentially corrosive Do not store products of this sort near the heater Also air which is brought in contact with the heater should not contain any of these chemicals If necessary uncontaminated air should be obtained from remote or outside sources The limited warranty is voided when failure of water heater is due to a corrosive atmosphere Refer to the limited warranty for complete terms and conditions To Operate The Water Heater seen 9 Purging Lighting Iristr ctions urn tnn Temperature Regulation Check Veniing 2 High Temperature Limit Switch esee 13 SERVICE INFORMATION sss
27. hydrogen is present there will probably be an unusual sound such as air escaping through the pipe as the water begins to flow THERE SHOULD BE NO SMOKING OR OPEN FLAME NEAR THE FAUCET AT THE TIME IT IS OPEN INSULATION BLANKETS Insulation blankets available to the general public for external use on gas water heaters are not approved for use on your commercial water heater The purpose of an insulation blanket is to reduce the standby heat loss encountered with storage tank water heaters Your commercial water heater meets or exceeds the ASHRAE IES 90 1b 1999 standards with respect to insulation and standby loss requirement making an insulation blanket unnecessary AR WARNING Should you choose to apply an insulation blanket to this heater you should follow these instructions Failure to follow these instructions can result in fire asphyxiation serious personal injury or death Donotapply insulation to the top of the water heater as this will interfere with safe operation of the draft hood Do not cover the outer door thermostat or temperature amp pressure relief valve Donotallow insulation to come within 2 bcm of the floor to prevent blockage of combustion air flow to the burner Do not cover the instruction manual Keep it on the side of the water heater or nearby for future reference Do obtain new warning and instruction labels from your commercial water heater company for placement on the blanket directly
28. ing be maintained 180 F L M 220 HH 170 F E 48 ppp Y eso 210 BASED ON 10 GRAINS HARDNESS DATA FROM PURDUE BULLETIN 74 lw LL HH z A v AAA 48 90 900 1500 2100 2700 3300 3900 The time between cleaning will vary from weeks to months depending upon water conditions and usage UNeLIME solvent may be obtained through your Water Heater dealer or distributor NOTE UN LIME is not available in Canada DELIMING SOLVENTS Water Heater manufacturer s recommend the use of UN LIME for deliming UN LIME is a patented food grade acid which is safe to handle and does not create the harmful fumes which are associated with other products UN LIME may be obtained from your dealer or distributor Order Part No 4763 1 gal packed 4 gallons per case or part no 4813 5 gallon container Hydrochloric base acids are not recommended for use on glass lined tanks A CAUTION Observe handling instructions on label of product being used 15 TANK CLEANOUT PROCEDURE The following practices will ensure longer life and enable the unit to operate at its designed efficiency 1 Once a month the heater should be flushed Open the drain valve and allow two gallons of water to drain from the heater Inlet water valve should remain open to maintain pressure in tank A cleanout opening is provided for periodic cleaning of the tank Gas must be shut off and heater drained before opening cleanout
29. ings must be reduced at the rate of 4 for each 1000 feet 305m above sea level For example if a heater is rated at 75 100 Btu Hr 22 0 kW at sea level to rate the heater at 4000 feet 1219m you subtract 4 once for each thousand feet x 0 04 4 input reduction x 75 100 Btu Hr original rating from the original rating Therefore to calculate the input rating at 4000 feet 1219m 4 x 0 04 x 75 100 Btu Hr 12 016 Btu Hr 3 5 kW 75 100 Btu Hr 22 0 kW 12 016 Btu Hr 3 5 kW 63 084 Btu Hr 18 5 kW At 6000 feet 1829m the correct input rating should be 57 076 Btu Hr 16 7 kW The input reduction is primarily achieved by reducing the size of the main burner orifices To do this the main burner orifices require replacement with orifices sized for the particular installation elevation Correct orifice sizing and parts may be obtained from Apcom Inc 125 Southwest Parkway Franklin TN 37065 or contact them by phone 615 794 5574 or fax 615 791 0660 When ordering be sure to state the model number and the altitude of the location where the water heater is being installed Upon completion of derating of the heater adjustment to the gas pressure regulator may be required See CHECKING THE INPUT section in this manual for inlet and manifold pressure requirements Also due to the input rating reduction required at high altitudes the recovery rating of the appliance is also reduced and should be compensated for in the sizing of
30. ion 8501 East Pleasant In addition to these instructions the equipment shall be installed Valley Road Cleveland OH 44131 or the National Fire Protection in accordance with those installation regulations in force in the Association 1 Batterymarch Park Quincy MA 02269 2 TABLE OF CONTENTS Page ROUGH IN DIMENSIONS 22 42 20 2 FOREWORD 2 GENERAL SAFETY INFORMATION ener 3 4 Precaution S E ts 3 Chemical Vapor Corrosion 3 Improper Combustion eseesss 3 Liquid Petroleum Models 3 4 Extended Non use Periods 4 Insulation Blankeis oes 4 Girculating PUmp iret eene 4 INSTALLATION INSTRUCTIONS 4 9 Required AbIIIty iicet or res 4 Locating The Heater eeeeeee 4 5 High Altitude Installations 5 SA etr RUE rper rh 5 Hard Walet uc eee ette 5 Air Requirements eene 5 6 Water Potable Heating and Space Heating 6 M nim 6 7 Thermometers Not Supplied esses 7 Relief Valve 7 Gas Pipinig nes 7 8 Gas Pressure Regulator 9 OPERATION c nihit aida 9 13 GENERAL SAFETY INFORMATION PRECAUTIONS DO NOT USE THIS APPLIANCE IF ANY PART HAS BEEN UNDER WATER Immediately call a qualified service tec
31. k failure or intermittent relief valve operation This is not a warranty failure An expansion tank or a similar device is required in the inlet supply line between the appliance and the meter or valve to compensate for the thermal expansion of the water SYSTEM CONNECTIONS The system installation must conform to these instructions and to the local code authority having jurisdiction Good practice requires that all heavy piping be supported VENTING A WARNING THE INSTRUCTIONS IN THIS SECTION ON VENTING MUST BE FOLLOWED TO AVOID CHOKED COMBUSTION OR RECIRCULATION OFFLUE GASES SUCH CONDITIONS CAUSE SOOTING OR RISKS OF FIRE AND ASPHYXIATION Heater must be protected from freezing downdrafts Remove all soot or other obstructions from the chimney that will retard a free draft Type B venting is recommended with these heaters This water heater must be vented in compliance with all local codes the current edition of the National Fuel Gas Code ANSI Z223 1 and with the Category Venting Tables If any part of the vent system is exposed to ambient temperatures below 35 degrees F 2 degrees C it must be insulated to prevent condensation Do not connect the heater to a common vent or chimney with any oil fired or solid fuel burning equipment This practice is prohibited by many local building codes as is the practice of venting gas fired equipment to the duct work of ventilation Systems CORRECT METHOD OF VENT PIPE INSTAL
32. n between the heater and the draft hood Be sure that the vent pipe does not extend beyond the inside wall of the chimney Where a continuous or intermittent back draft is found to exist the cause must be determined and corrected A special vent cap may be required If the back draft cannot be corrected by the normal methods or if a suitable draft cannot be obtained a blower type flue gas exhauster must be employed to assure proper venting and correct combustion THERMOMETERS Not Supplied Thermometers should be obtained and field installed as shown see Figure 4 Thermometers are installed in the system as a means of detecting the temperature of the outlet water supply RELIEF VALVE This water heater is equipped with a combination temperature pressure relief valve that complies with the standard for relief valves for hot water supply systems ANSI Z21 22 CSA 4 4 FOR SAFE OPERATION OF THE WATER HEATER THE RELIEF VALVE S MUST NOT BE REMOVED OR PLUGGED ASME ratings cover pressure relief capacities ANSI ratings cover release rate with temperature actuation In addition to the appliance relief valve each remote storage tank which may be used in conjunction with this appliance shall also be installed with a properly sized rated and approved combination temperature ANSI and pressure ASME relief valve s MIXING VALVE APPLICATION FOR TWO TEMPERATURE WATER TEMPERED WATER HOT WATER gt OUTLET OUTLET COLD WATER
33. ode s for inspection WINTER PROTECTION In regions where freezing weather is encountered all water must be drained from unit and piping when out of service water shut off Drain valve must be left open until unit is returned to service REPLACEMENT PARTS Replacement parts may be ordered through Water Heater dealers authorized servicers or distributors Refer to the Manufacturer s warranty information insert for parts replacement information When ordering parts be sure to state the quantity part number and description of the item including the complete model and serial number as it appears on the product Refer to the parts list for more information PREVENTIVE MAINTENANCE RECOMMENDED PROCEDURE FOR PERIODIC REMOVAL OF LIME DEPOSITS FROM TANK TYPE COMMERCIAL WATER HEATERS The amount of calcium carbonate lime released from water is in direct proportion to water temperature and usage see chart The higher the water temperature or water usage the more lime deposits are dropped out of the water This is the lime scale which forms in pipes heaters and on cooking utensils Lime accumulation not only reduces the life of the equipment but also reduces efficiency of the heater and increases fuel consumption The usage of water softening equipment greatly reduces the hardness of the water However this equipment does not always remove all of the hardness lime For this reason it is recommended that a regular schedule for delim
34. ompare the actual input rate to that given on the heater s rating plate Inthe example the 75 s full input rate should be 75 100 Btu Hr for natural gas VENT SYSTEM Examine the venting system every 6 months for obstructions and or deterioration of vent piping RELIEF VALVE At least once a year the temperature and pressure relief valve should be checked to ensure that it is in operating condition During manual operation of this valve avoid any contact with hot water and take preventive steps for water damage Liftthe lever at the top of the valve several times until the valve seats properly and operates freely A WARNING THE WATER PASSING OUT OF THE VALVE DURING THIS CHECKING OPERATION MAY BE EXTREMELY HOT AVOID CONTACT AND DISCHARGE SAFELY TO PREVENT WATER DAMAGE If the temperature and pressure relief valve on the heater discharges periodically or continuously a problem exists This may be due to unusually high water temperatures or pressures in the system or to a faulty relief valve Contact your dealer or a qualified service technician to find the cause of the problem and to correct it This may also be due to thermal expansion in a closed water supply system Contact the water supplier or local plumbing inspector on 14 how to correct this situation DO NOT PLUG THE TEMPERATURE AND PRESSURE RELIEF VALVE A WARNING SHOULD OVERHEATING OCCUR OR THE GAS SUPPLY FAIL TO SHUT OFF TURN OFF THE MANUAL GAS CONTROL
35. on is evidence of poor vent action Possible causes are too long a vent pipe or improper chimney operation If the leakage is from the temperature and pressure relief valve or its discharge pipe it may represent a normal condition However see RELIEF VALVE section on page 14 DO NOT 4 PLUG THE TEMPERATURE AND PRESSURE RELIEF VALVE Also the leakage could be due to unusually high water pressures or temperatures in the system or to a faulty relief valve Your dealer or a qualified service technician should be called to determine the cause of the problem and to correct it If you cannot identify or correct the source of water leakage Close the main shutoff valve in the gas supply pipe at the heater see Figure 4 page 7 Close the valve which feeds water to the cold water inlet at the top of the heater Contact your dealer WATER HEATER MAKES SOUNDS Occasional excessive condensation as explained under WATER LEAKAGE IS SUSPECTED can cause a sizzling sound as the moisture is vaporized by the gas flame This is a normal sound and may be disregarded Sediment and water scale accumulations may cause rumbling noises See PREVENTIVE MAINTENANCE or contact your dealer for details of flushing the heater If you cannot identify or remedy the condition contact your dealer 17 NOTES NOTES
36. pipe pressure drop Also refer to the latest version of the National Fuel Gas Code TABLE 1 GAS SUPPLY LINE SIZES IN INCHES MAXIMUM CAPACITY OF PIPE IN CUBIC FEET PER HOUR LENGTH NOMINAL IRON PIPE SIZES INCHES IN INPUT IN THOUSANDS BTU HR rer ur se r apie 2 202 sr 4 10 _ 175 360 680 1400 2100 3980 6300 11000 23000 20 120 250 ass 950 1460 2750 4360 7700 15800 30 _ 7 200 s75 770 1180 2200 3520 6250 12800 40 62 170 820 660 990 1900 3000 5300 10900 so 75 151 285 seo 900 1680 2650 4750 9700 60 6s 138 260 530 610 1520 2400 300 8800 80 s me 220 460 690 1300 2050 3700 7500 30 ss mo eos 430 650 1220 1950 3450 7200 109 so 165 185 400 620 1150 1850 3250 6700 125 44 os 175 360 sso 1020 1650 2950 6000 150 40 es 160 ses 500 950 1500 2650 5500 209 3s 72 135 280 430 800 1280 2280 4600 NOMINAL IRON PIPE SIZES INCHES ns INPUTINKW merens 12 sar Jaja 292 Ta 3 Par osje 210615 1160 1885 322r 6735 e ss 7s ia 278 428 805 1277 2255 4620 a zs se mo 225 345 644 1031 1830 3788 12 2 so ss 193 200 sse 878 1552 3192 3s zr ea es 170 264 492 776 1001 2840 38 i9 4o ve 155 237 445 703 1250 2577 x pe 37 76 345 220 410 659 142 2572 24 17 ss 64 15s 202 se 600 oss 2106
37. quipment supplied by the meter If gas meter is too small ask the gas company to install a larger meter having adequate capacity PROPANE NATURAL GAS CONTROL KNOB IN PILOT POSITION TEMPERATURE ADJUSTING DIAL THERMOCOUPLE TAPPING PRESSURE TAPPING PILOT SUPPLY MAIN BURNER SUPPLY THERMOSTAT FOR NATURAL AND PROPANE GASES FIGURE 6 GAS PRESSURE REGULATOR The gas pressure regulator is built into the gas valve and is equipped to operate on the gas specified on model and rating plate The regulator is factory adjusted to deliver gas to burner at correct water column pressure allowing for a nominal pressure drop through the controls The minimum gas supply pressure for input adjustment must not be less than 5 0 W C 1 24 kPa for natural gas and 11 0 W C 2 74 kPa for propane gas Do not subject the combination gas valve to inlet gas pressures of more than 14 0 W C 3 48 kPa A service regulator is necessary if higher gas pressures are encountered Gas pressure specified in Table 2 refer to flow pressure taken at pressure tap of automatic gas valve while heater is operating OPERATION It is recommended that a qualified person perform the initial firing of the heater At this time the user should not hesitate to ask the individual any questions which he may have in regard to the operation and maintenance of the unit warning DO NOT ATTEMPT TO OPERATE WATER HEATER WITH COLD WATER INLET VALVE
38. rect An underfired heater will not produce hot water at its normal recovery rate 4 fthe heater was installed when incoming water temperatures were warm colder incoming temperatures will create the effect of less hot water 5 The thermostat water temperature adjusting dial may be set too low 6 If you cannot determine the cause of the problems contact your dealer WATER TEMPERATURE IS TOO HOT 1 The thermostat water temperature adjusting dial may be set too high 2 If lowering control setting does not reduce the water temperature contact your dealer GAS SMELL AT THE HEATER 1 Close the main shutoff valve in the gas supply pipe near the heater see fig 4 on page 7 The thermostat includes a gas control top knob which can also be closed 2 Call your gas company WATER LEAKAGE IS SUSPECTED 1 Check to see if the heater drain valve is tightly closed 2 The apparent leakage might be condensation In warm or humid locations condensation can accumulate and run from within the heater or its piping When a water heater is first installed and filled the bottom of the tank might condense water The water accumulation if excessive can drip into the floor shield Also during normal operation there may be occasions when large quantities of water are drawn chilling the tank bottom This too can result in condensation Condensation appearing in the vent pipe water dripping from draft diverter during heater operati
39. sssseeeeeneenneenne nennen Pilot and Main Burner Checking Gas Input Vent System visir Relief Valve Hot Water Odor Anode Rod Inspection Winter Protection Replacement Parts PREVENTIVE MAINTENANCE Recommended Procedure For Periodic Removal Of Lime Deposits From Tank Type Commercial Water Heaters 15 Delimirig Solvents 5 oca tdt t tens Tank Cleanout Procedure CHECK T oett eter or a nes NOTES Londini LIMITED WARRANTY IMPROPER COMBUSTION A WARNING ATTIC AND OR EXHAUST FANS OPERATING ON THE PREMISES WITH A WATER HEATER CAN RESULT IN CARBON MONOXIDE POISONING AND DEATH OPERATION OF THESE FANS CAN PRODUCE ANEGATIVE DRAFT IN THE AREA OF THE WATER HEATER PREVENTING THE PRODUCTS OF COMBUSTION FROM EXHAUSTING THROUGH THE CHIMNEY OR VENT PIPE The venting of the water heater should be inspected by a qualified service technician at the time of installation and periodically thereafter to ensure a down draft condition does not exist DO NOT OBSTRUCT THE FLOW OF COMBUSTION AND VENTILATING AIR ADEQUATE AIR FOR COMBUSTION AND VENTILATION MUST BE PROVIDED FOR SAFE OPERATION LIQUID PETROLEUM MODELS Water heaters for propane or liquefied petroleum gas LPG are different from natural gas models A natural gas heater will not function safely on LP gas and no attempt should be made to convert a heater from natural gas to LP g
40. tall the long plastic male adapter fitting into the drain valve opening of the water heater Use teflon tape and hand tighten only Do not overtighten Prepare the Up N Down Transfer Kit The next step is the preparation on the Up N Down Transfer Kit if you have not already done so 1 With the 5 gallon Up N Down container in the vertical position unscrew the plastic vent cap in the handle and pierce the plastic membrane over the vent boss under the cap to allow the container to vent Note If your container does not have the vent cap and vent boss drill a 3 16 4 76mm hole in the handle When you have finished deliming you will be able to plug this drilled vent with the stainless steel screw that is supplied with the kit 2 Remove the container s cap and cut the plastic membrane located in the 3 4 IPT opening in the cap Take care to not damage the threads 3 Find the 3 4 male adapter apply teflon tape to the threaded end and screw it into the 3 4 IPT opening in the cap 4 Put cap with male adapter back on the container and slide 3 4 hose over end of male adapter and fasten in place using hose clamp provided Delime using Flo Jug Method 5 Slide the hose clamp over end of hose and slide hose over the male adapter in the water heater drain opening and secure in place using hose clamp Lift container to the Pour Position see Figure 9 being careful to keep the vent in the handle above the liquid level and po
41. the fire department Use only your hand to push down or turn the gas control knob Never use tools Ifthe knob will not push down or turn by hand don t try to repair it call a qualified service technician Force or attempted repair may result in a fire or explosion Do not use this appliance if any part has been under water Immediately call a qualified service technician to inspect the appliance and to replace any part of the control system and any gas control which has been under water LIGHTING INSTRUCTIONS FIGURE A FIGURE B THERMOSTAT OFF POSITION PILOT POSITION TOP VIEW GAS CONTROL STOP Read the safety information above on this label Set the thermostat to the lowest setting by turning thermostat dial fully clockwise Y until it stops Push the gas control knob down slightly and turn clockwise Y to OFF Figure A NOTE Gas control knob CANNOT be turned from PILOT to OFF unless it is pushed down slightly Do not force Remove the inner and outer burner doors located below and behind the gas control unit Wait five 5 minutes to clear out any gas If you then smell gas STOP Follow B in the safety information above on this label If you do not smell gas go to the next step Find Pilot Follow metal tube from the bottom right of the gas control to the pilot burner Figure D Turn gas control knob counterclockwise w to PILOT Figure B Push gas control knob down all the way
42. the equipment for application CLEARANCES These heaters are approved for installation on combustible flooring in a closet having a ceiling 12 30 5cm above top cover and with clearances to combustible construction of 6 15 2cm from flue or vent connector 0 Ocm at the sides and rear and 4 10 1cm to front to prevent a possible fire hazard condition A minimum of 4 10 1cm shall be allowed for installation of serviceable parts HARD WATER Where hard water conditions exist water softening or the threshold type of water treatment is recommended This will protect the dishwashers coffee urns water heaters water piping and other equipment See PREVENTIVE MAINTENANCE section for details of tank cleanout procedure AIR REQUIREMENTS REFER TO THE LATEST EDITION OF THE NATIONAL FUEL GAS CODE ANSI Z223 1 NFPA 54 KEEP APPLIANCE AREA CLEAR AND FREE OF COMBUSTIBLE MATERIALS GASOLINE AND OTHER FLAMMABLES VAPORS AND LIQUIDS DO NOT OBSTRUCT THE FLOW OF COMBUSTION OR VENTILATING AIR Ah warna FOR SAFE OPERATION PROVIDE ADEQUATE AIR FOR COMBUSTION AND VENTILATION AN INSUFFICIENT SUPPLY OF AIR WILL CAUSE RECIRCULATION OF COMBUSTION PRODUCTS RESULTING IN AIR CONTAMINATION THAT MAY BE HAZARDOUS TO LIFE SUCH A CONDITION OFTEN WILL RESULT IN A YELLOW LUMINOUS BURNER FLAME CAUSING CARBONING OR SOOTING OF THE COMBUSTION CHAMBER BURNERS AND FLUE TUBES AND CREATES A RISK OF ASPHYXIATION Where an exhaust fan is supplied in
43. ur the UN LIME into the heater Lower container you may have to place the container on its empty carton to prevent the UN LIME from flowing back into the container Let UN LIME remain in the heater for 5 minutes and then lower the container to the Drain Position see Figure 9 Deliming activity is indicated by foaming on the surface of the UNeLIME If there is deliming activity repeat steps 6 thru 8 Normally lime removal will be completed within one hour Severe build up of lime may take longer than an hour to complete descaling Note To check UN LIME for continued use place some scale or white chalk in a glass with a small amount of UN LIME If the material is vigorously dissolved by the UN LIME it can be reused if not the UN LIME should be replaced CHECKLIST Before contacting your dealer check the water heater to see if the apparent malfunction is caused by some external fault Consulting this checklist may eliminate the need for a repair call and restore hot water service 16 NOT ENOUGH OR NO HOT WATER 1 Check to see if the pilot flame is lit To relight the pilot follow the instructions on the heater or in this manual Check to see if the main gas shutoff valve in the gas supply pipe is partially closed or the water temperature dial is set too low 2 Look for leaking or open hot water faucets Check for excessive usage 3 Your gas company can check the gas input to the heater to see that it is cor

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