A.O. Smith DIRECT VENTED GAS MODELS Скачать руководство пользователя страница 4

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GENERAL SAFETY

Read instruction manual before

installing, using or servicing

water heater.

•

Do not store or use gasoline or other flammable

vapors and liquids in the vicinity of this water

heater, the vent termination hood or any other

appliance.

•

Avoid all ignition sources if you smell gas.

•

Do not expose water heater control to excessive

gas pressure.

•

Use only gas shown on rating plate.

•

Maintain required clearances to combustibles.

•

Keep ignition sources away from faucets after

extended period of non-use.

Fire or Explosion Hazard

WARNING

Содержание DIRECT VENTED GAS MODELS

Страница 1: ...IS REQUIRED DIRECT VENTED GAS MODELS NOT FOR USE IN MANUFACTURED MOBILE HOMES For Your Safety AN ODORANT IS ADDED TO THE GAS USED BY THIS WATER HEATER ALL TECHNICAL AND WARRANTY QUESTIONS SHOULD BE D...

Страница 2: ...ly 24 Securing Vent Termination Assembly To The Exterior Wall 24 Vent Restricter Plate 24 Uncompressing The Corrugated Tubing 24 Vent Connection To The Water Heater 25 Offset Vent Arrangement 25 Insta...

Страница 3: ...ects or other reproductive harm and requires businesses to warn of potential exposure to such substances This product contains a chemical known to the State of California to cause cancer birth defects...

Страница 4: ...n the vicinity of this water heater the vent termination hood or any other appliance Avoid all ignition sources if you smell gas Do not expose water heater control to excessive gas pressure Use only g...

Страница 5: ...water heater or the vent termina tion hood where flammable products will be stored or used Vapors from flammable liquids may explode and catch fire causing death or severe burns Do not use or store fl...

Страница 6: ...carefully If you don t follow safety rules the water heater will not operate properly It could cause DEATH SERIOUS BODILY INJURYAND OR PROPERTY DAMAGE This manual contains instructions for installati...

Страница 7: ...eight 8 feet above grade directly in line with the exhaust vent terminal for the horizontally vented gas fueled heating appliance or equipment The sign shall read in print size no less than one half...

Страница 8: ...SSACHUSETTS INSTALLATION REQUIREMENTS 1 CONNECT ELECTRONICALLY CONTROLLED TIMER TO AN ALL BRONZE PUMP PUMP MUST ACTIVATE EVERY 6 HOURS FOR 60 SECONDS TURN PUMP TIMER OFF BEFORE CLOSING PIPING LOOP SHU...

Страница 9: ...sembly 21 Rating Plate 22 Anode under cap 23 Hot Water Outlet Nipple or Optional Nipple Anode 24 Inlet Water Shut off Valve 25 Union water connection 26 Air Inlet Snorkel 27 Air Tower 28 Airbox 29 The...

Страница 10: ...nt parts and recommended delimer may be ordered through authorized servicers or distributors When ordering parts provide complete model and serial numbers see rating plate quantity and name of part de...

Страница 11: ...metal drain pan should be installed under the water heater Metal drain pans are available at your local hardware store Such a metal drain pan must have a clearance of at least 1 greater than any poin...

Страница 12: ...he full width and depth of the appliance by at least 3 in every direction or if the appliance is installed in an alcove or closet the entire floor must be covered by the panel Failure to heed this war...

Страница 13: ...taining a gas water heater the vent termination hood or other open flame or spark producing appliance Examples of such locations are garages storage and utility areas The water heater must be located...

Страница 14: ...d injury Feel water before bathing or showering Temperature limiting devices such as mixing must be installed when required by codes and to ensure safe temperatures at fixtures BURN HOT HOT DANGER Som...

Страница 15: ...g the water heater for service or replacement 3 If installing the water heater in a closed water system install an expansion tank in the cold water line as specified under Closed Water Systems and The...

Страница 16: ...plate For safe operation of the water heater the temperature pressure relief valve must not be removed from its designated opening nor plugged The T P valve must be installed directly into the fittin...

Страница 17: ...harge opening or hinder access to the manual relief lever Figure 10 Ensure a discharge pipe is installed into the T P valve discharge opening per the instructions in this manual 1 Locate the hot water...

Страница 18: ...must be compatible with potable water Toxic chemicals such as those used for boiler treatment shall not be introduced into the potable water used for space heating When the system requires water for...

Страница 19: ...ately insulated to reduce heat loss 7 If the local jurisdiction requires a back flow preventer in the cold water line an expansion tank of adequate size must be installed 8 Combo Heating Systems requi...

Страница 20: ...he National Fuel Gas Code ANSI Z223 1 NFPA 54 and your gas supplier concerning pipe size There must be A readily accessible manual shut off valve in the gas supply line serving the water heater and A...

Страница 21: ...ay result in fire or explosion 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 sediment trap sometimes call...

Страница 22: ...er appliance Minimum 12 in from soffit Minimum 9 in to a window or door that may be opened Minimum 18 in from outside corner 1 Permitted only if veranda porch deck or balcony is fully opened on a mini...

Страница 23: ...ANCE HOLE FOR VENT Cut a clearance hole approximately 7 in diameter through the exterior wall for the vent assembly The recommended height is 64 for 40 gal models 73 for 50 gal models and 74 for 50 ga...

Страница 24: ...be then insert the outer corrugated tube through the clearance hole from exterior wall Secure the trim plate to the exterior wall then secure the vent terminal to the exterior wall with 4 screw anchor...

Страница 25: ...tops SMOOTH EASY CURVE GEAR CLAMP CUTAWAY TO SHOW DETAILS RESTRICTER PLATE STOP Figure 24 Apply hi temp red silicone included around the collar on air manifold box Pull the outer corrugated pipe all t...

Страница 26: ...allation 5 1 1 17 MIN Figure 30 NOTES applies to Figure 28 thru Figure 30 1 In any installation the total of dimension A plus dimension B must not exceed 89 2 This heater can be installed with 0 clear...

Страница 27: ...to check all connections and fittings for possible gas leaks Vent Pipe System Evenly stretched out between water heater and vent termination hood Smooth bend with adequate support to prevent sagging...

Страница 28: ...e knob to the OFF position and call a qualified service technician or your gas supplier DANGER Hotter water increases the risk of scald injury Consult the instruction manual before changing the temper...

Страница 29: ...hown on the gas control valve thermostat are approximates The actual temperature of the heated water may vary Important Adjusting the thermostat past the 120 F mark on the temperature dial will increa...

Страница 30: ...or hot water including dishwashers washing machines and shower heads Excessive condensate may be noticed during the winter and early spring months when incoming water temperatures are at their lowest...

Страница 31: ...the system see Water Piping section Smelly water may be eliminated or reduced in some water heater models by replacing the anode s with one of less active material and then chlorinating the water heat...

Страница 32: ...risk or asphyxiation Chemical vapor corrosion of the flue and vent system may occur if air for combustion contains certain chemical vapors Spray can propellants cleaning solvents refrigerator and air...

Страница 33: ...ing leaks Do not insert any sharp objects into the inlet or outlet connections Damage to the gas control valve thermostat may result Replacing The Gas Control Valve Thermostat To replace the gas contr...

Страница 34: ...screws securing the burner to the manifold see Figure 35 Important DO NOT remove the orifice 3 Remove the screw securing the pilot thermopile assembly to the pilot bracket and keep for reuse later se...

Страница 35: ...bustion chamber Important Do not operate the water heater if the door gasket does not create a seal between the manifold door and the combustion chamber 6 Reconnect the manifold tube 3 4 wrench and pi...

Страница 36: ...r and drain the water heater see Draining Refilling And Flushing section Replace the T P valve with a properly rated sized new one see Temperature Pressure Relief Valve for instructions on replacement...

Страница 37: ...uninterrupted from the faucet Important When operating a cold tank condensation can occur and drip on the burner This should not be confused with a tank leak DRAIN VALVE WASHER REPLACEMENT 1 Turn OFF...

Страница 38: ...pressurize the water tank 4 Connect a hose to the drain valve and terminate it to adequate drain or to the exterior of the building Open the drain valve and drain approximately 5 gallons of water from...

Страница 39: ...is located under the plastic plug and insulation G Small amounts of water from temperature pressure relief valve may be due to thermal expansion or high water pressure in your area H The temperature...

Страница 40: ...ansion Tank required for all closed systems 30 Sheet Metal Burner see Figure 3 Figure 4 see see also Figure 47 Figure 48 31 Gas Orifice see Figure 3 Figure 4 see also Figure 47 Figure 48 32 Gas Manifo...

Страница 41: ...Natural gas and Propane LP main burner with igniter assembly for 47k Btu hr models 35 36 34 33 32 31 40 39 38 30 Flare Nut Figure 48 Notes The orifice on Natural gas models has Right hand thread the...

Страница 42: ...ifice clogged 5 Defective thermopile 6 Insufficient combustion air 7 Gas control thermostat ECO switch open 8 Defective igniter or electrode 9 Low gas pressure 10 Incorrect gas 1 Bleed the air from th...

Страница 43: ...d water system thermal expansion 1 Use a pressure reducing valve and relief valve 2 Lower the thermostat setting 3 See Closed System Thermal Expansion THERMOSTAT FAILS TO SHUT OFF 1 Defective gas cont...

Страница 44: ...ly to the Pilot should be checked If the Pilot is visible and the Status Light does not blink after 90 seconds of continuous Pilot operation the Pilot flame may not be heating the thermopile sufficien...

Страница 45: ...ndition only appears if the gas control temperature knob has been turned off and the thermopile continued to produce electric power This condition can occur if the thermopile does not cool down as qui...

Страница 46: ...46 www hotwater com NOTES...

Страница 47: ...www hotwater com 47 NOTES...

Страница 48: ...500 Tennessee Waltz Parkway Ashland City TN 37015 Phone 800 527 1953 Fax 800 644 9306 www hotwater com...

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