Lochinvar LTL07575 Скачать руководство пользователя страница 36

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TABLE 6. GENERAL TROUBLESHOOTING GUIDELINES

These guidelines should be used by a qualified service agent.

Symptom

Problem

Corrective Action

WATER LEAKS

Improperly sealed, hot or cold supply connection, relief

valve, drain valve, or thermostat threads.

Tighten threaded connections.

Leakage from other appliances or water lines.

Inspect other appliances near water heater.

Condensation of flue products.

See

Condensation

(page 25)

LEAKING T&P VALVE

Thermal expansion in closed water system.

Install thermal expansion tank (DO NOT plug T&P valve).

Improperly seated valve.

Check relief valve for proper operation (DO NOT plug T&P

valve).

SMELLY WATER

High sulfate or mineral content in water supply.

Drain and flush heater thoroughly, then refill.

Bacteria in water supply.

Chlorinate or aerate water supply.

PILOT WILL NOT LIGHT

Gas control knob not positioned correctly.

See the

Lighting Instructions

on the water heater’s label.

Main gas supply off.

Turn on main gas shutoff valve.

Thermopile malfunction.

Replace pilot/thermopile assembly.

No spark.

Locate piezo switch on thermostat. Replace if needed.

BURNER WILL NOT STAY

LIT

Thermopile malfunction.

Replace pilot/thermopile assembly.

Defective Gas Control.

Replace Gas Control.

PILOT OUTAGE

Dirty pilot burner.

Clean pilot assembly.

Thermopile malfunction.

Replace pilot/thermopile assembly.

Defective Gas Control.

Replace Gas Control.

Thermopile tip is not in contact with pilot flame.

Insert thermopile correctly.

NOT ENOUGH HOT

WATER

Heater not lit or thermostat not on.

See

Lighting Instructions

on the water heater’s label.

Thermostat set too low.

See

Temperature Regulation

(page 24)

Heater undersized.

Reduce hot water use.

Low gas pressure.

Contact your gas supplier.

Incoming water is unusually cold.

Allow more time for heater to re-heat.

Leaking hot water pipes or fixtures.

Have plumber check and repair leaks.

High temperature limit switch activated.

Contact a service agency to determine cause.

WATER TOO HOT

Thermostat set too high.

See

Temperature Regulation

(page 24)

WATER HEATER

SOUNDS

Condensation dripping on burner.

See

Condensation

(page 25)

SIZZLING OR RUMBLING

Sediment or calcium in bottom of heater tank.

Drain and flush the water heater. See

Draining and

Flushing

(page 30)

SOOTING

Improper combustion.

No adjustment available. Contact a service agency to

determine cause.

VENT GAS ODORS

Lack of supply air.

Contact a service agency to determine cause.

Improperly installed vent piping.
Downdraft.

Poor combustion.

Содержание LTL07575

Страница 1: ...injury This manual must remain with the water heater 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 e...

Страница 2: ...13 Temperature Pressure Relief Valve 14 Filling the Water Heater 15 Air Requirements 16 Unconfined Space 16 Confined Space 16 Fresh Air Openings For Confined Spaces 17 Outdoor Air Through Two Openings 17 Outdoor Air Through One Opening 17 Outdoor Air Through Two Horizontal Ducts 18 Outdoor Air Through Two Vertical Ducts 18 Air From Other Indoor Spaces 18 Venting 19 Gas Piping 21 Sediment Traps 22 ...

Страница 3: ... hazard what can happen if you do not follow the safety message and how to avoid the risk of injury DANGER indicates an imminently hazardous situation which if not avoided will result in injury or death This is the safety alert symbol It is used to alert you to potential personal injury hazards Obey all safety messages that follow this symbol to avoid possible injury or death WARNING indicates a p...

Страница 4: ...sta a inundaciones o daños por el agua Inspeccione las varillas del ánodo de manera regular y reemplácelas si están gastadas de manera significativa Instale en un lugar con drenaje Llene el tanque con agua antes de ponerlo en funcionamiento Se necesitan tanques de expansión térmica correctamente dimensionados en todos los sistemas de agua Consulte este manual para la instalación y el mantenimiento...

Страница 5: ...cedures outlined in this manual PREPARING FOR THE INSTALLATION 1 Read the General Safety section page 4 of this manual first and then the entire manual carefully If you don t follow the safety rules the water heater will not operate properly It could cause DEATH SERIOUS BODILY INJURY AND OR PROPERTY DAMAGE This manual contains instructions for the installation operation and maintenance of the gas ...

Страница 6: ...Main Burner G Gas Supply O Cold Water Inlet W Flue H Manual Gas Shut off Valve P Inlet Dip Tube X Metal Drain Pan INSTALL IN ACCORDANCE WITH LOCAL CODES SEDIMENT TRAP AS REQUIRED BY LOCAL CODES ALL PIPING MATERIALS TO BE SUPPLIED BY CUSTOMERS IGNITER WIRE RED WIRE LEFT SIDE PILOT TUBE MANIFOLD TUBE IGNITER BUTTON IGNITER LEAD WIRE WHITE WIRE RIGHT SIDE GAS CONTROL TEMPERATURE KNOB VAC Figure 1 TYP...

Страница 7: ... Some people are more likely to be permanently injured by hot water than others These include the elderly children the infirm or physically mentally handicapped If anyone using hot water in your home fits into one of these groups or if there is a local code requiring a certain temperature water at the hot water tap then you must take special precautions In addition to using the lowest possible tem...

Страница 8: ...s and must be piped to an adequate drain The pan must not restrict combustion air flow Water heater life depends upon water quality water pressure and the environment in which the water heater is installed Water heaters are sometimes installed in locations where leakage may result in property damage even with the use of a drain pan piped to a drain However unanticipated damage can be reduced or pr...

Страница 9: ...panel Failure to heed this warning may result in a fire hazard HIGH ALTITUDE Water heaters covered in this manual have been tested and approved for installation at elevations up to 7 700 feet 2 347 m above sea level For installation above 7 700 feet 2 347 m the water heater s Btu input should be reduced at the rate of 4 percent for each 1 000 feet 305 m above sea level which requires replacement o...

Страница 10: ... Figure 7 UNSTABLE FLAME CLEARANCES Minimum clearances between the water heater and combustible construction are 0 inch at the sides and rear 4 102 mm at the front and 6 153 mm from the vent pipe Clearance from the top of the jacket is 12 305 mm Figure 8 CLEARANCES A gas water heater cannot operate properly without the correct amount of air for combustion Do not install in a confined area such as ...

Страница 11: ... by this manual meet or exceed the Energy Policy Act standards with respect to insulation and standby heat loss requirements making an insulation blanket unnecessary Should you choose to apply an insulation blanket to this heater you should follow these instructions See Leakage Test Points page 31 for identification of components mentioned below Failure to follow these instructions can restrict th...

Страница 12: ...re a minimum gas supply pressure of 11 W C 2 74 kPa The minimum supply pressure is measured while gas is flowing dynamic pressure The supply pressure dynamic should never fall below the specified minimum supply pressure The supply pressure should be measured with all gas fired appliances connected to the common main firing at full capacity If the supply pressure drops more than 1 5 W C 0 37 kPa as...

Страница 13: ...22 1 minute 5 minutes 131 5 seconds 25 seconds 140 2 seconds 5 seconds 149 1 second 2 seconds 154 instantaneous 1 second U S Government Memorandum C P S C Peter L Armstrong Sept 15 1978 WATER PIPING WATER POTABLE HEATING AND SPACE HEATING This water heater shall not be connected to any heating systems or component s used with a non potable water heating appliance All piping components connected to...

Страница 14: ...g pressure of the water heater 150 psi 1 035 kPa and a discharge capacity not less than the water heater Btu hr or kW input rate as shown on the water heater s model rating label Note In addition to the factory installed temperature pressure relief valve on the water heater each remote storage tank that may be installed and piped to a water heating appliance must also have its own properly sized r...

Страница 15: ...sure relief valve discharge line 2 The water manually discharged will not cause any bodily injury or property damage because the water may be extremely hot If after manually operating the valve it fails to completely reset and continues to release water immediately close the cold water inlet to the water heater follow the draining instructions in this manual and replace the temperature pressure re...

Страница 16: ... in determining the adequacy of a space to provide combustion ventilation and dilution air UNUSUALLY TIGHT CONSTRUCTION In unconfined spaces in buildings infiltration may be adequate to provide air for combustion ventilation and dilution of flue gases However in buildings of unusually tight construction for example weather stripping heavily insulated caulked vapor barrier etc additional air must b...

Страница 17: ...OM TWO OPENINGS The confined space shall be provided with two permanent openings one commencing within 12 inches 300 mm of the top and one commencing within 12 inches 300 mm of the bottom of the enclosure The openings shall communicate directly with the outdoors See Figure 11 Each opening shall have a minimum free area of 1 square inch per 4 000 Btu hr 550 mm2 per kW of the aggregate input rating ...

Страница 18: ...resh air into confined spaces only DO NOT refer to these illustrations for the purpose of vent installation See Venting page 19 for complete venting instructions Figure 14 FRESH AIR FROM TWO VERTICAL DUCTS The confined space shall be provided with two permanent vertical ducts one commencing within 12 inches 300 mm of the top and one commencing within 12 inches 300 mm of the bottom of the enclosure...

Страница 19: ...nd mechanically actuated vent dampers Before installation of any vent damper consult the local gas utility for further information To insure proper venting of this gas fired water heater the correct vent pipe diameter must be utilized Any additions or deletions of other gas appliances on a common vent with this water heater may adversely affect the operation of the water heater Consult your gas su...

Страница 20: ... Fill and seal any clearance between single wall vent pipe and combustible material with mortar mix cement or other noncombustible substance For other than single wall follow vent pipe manufacturer s clearance specifications To insure a tight fit of the vent pipe in a brick chimney seal around the vent pipe with mortar mix cement Failure to have required clearances between vent piping and combusti...

Страница 21: ...onnector or a ground joint union between the shut off valve and control valve to permit servicing of the unit Be sure to check all the gas piping for leaks before lighting the water heater Use a soapy water solution not a match or open flame Rinse off soapy solution and wipe dry The minimum inlet gas pressure shown on the rating plate is that which will permit firing at the rated input GAS SUPPLY ...

Страница 22: ...eration The water heater and its individual shut off valve shall be disconnected from the gas supply piping system during any pressure testing of that system at test pressures in excess of 1 2 pound per square inch 3 5 kPa It shall 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 pressu...

Страница 23: ...chnician or your gas supplier DANGER Hotter water increases the risk of scald injury Consult the instruction manual before changing temperature Refer to the Lighting Instructions in the Installation Manual for more detailed troubleshooting information 1 Turn the gas control temperature knob counterclockwise to the OFF setting The status light will stop blinking and stay on for a short time after t...

Страница 24: ...TURE ADJUSTMENT The water temperature setting can be adjusted from 55 F to 160 F Turn the Gas Control Temperature Knob to the desired setting temperature NOTE The temperatures indicated are approximates The actual temperature of the heated water may vary STANDARD MODE The controller adjusts the water heater to maintain the temperature set by the user VACATION SETTING The Vacation setting VAC sets ...

Страница 25: ... INPUT CHECK TIME REQUIRED TO CONSUME 1 CU FT OF GAS Model Type of Gas BTU Per Cu Ft Approx Time Required To Consume 1 Cu Ft of Gas 75 Natural Propane 1050 2500 50 3 sec 119 8sec 100 Natural Propane 1050 2500 50 3 sec 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 o...

Страница 26: ...ater persists after the anode replacement and chlorination treatment we can only suggest that chlorination or aeration of the water supply be considered to eliminate the water problem Do not remove the anode leaving the tank unprotected By doing so all warranty on the water heater tank is voided AIR IN HOT WATER FAUCETS HYDROGEN GAS Hydrogen gas can be produced in a hot water system that has not b...

Страница 27: ...o a water heater may not be readily visible or immediately detectable However over a period of time a flooded water heater will create dangerous conditions which can cause DEATH SERIOUS BODILY INJURY OR PROPERTY DAMAGE Contact a qualified installer or service agency to replace a flooded water heater Do not attempt to repair the unit It must be replaced At least once a year a visual inspection shou...

Страница 28: ...or adjacent to the water heater which can cause a fire ANODE ROD INSPECTION Remove and inspect the anode rod See Figure 1 page 6 for location of the anode rod Replace the anode rod if it is depleted Anode rods from new top to partially depleted middle to fully depleted stage bottom FIGURE 18 Anode Depletion The anode rod is a sacrificial metal rod that helps reduce corrosion and premature failure ...

Страница 29: ...E RELIEF VALVE If the temperature pressure relief valve on the water heater weeps or discharges periodically this may be due to thermal expansion NOTE Excessive water pressure is the most common cause of temperature pressure relief valve leakage Excessive water system pressure is most often caused by thermal expansion in a closed system See Closed Water Systems page 13 and Thermal Expansion page 1...

Страница 30: ...rain valve when all water in the storage tank has drained 8 Close the hot water faucet opened in Step 4 9 If the water heater is going to be shut down for an extended period the drain valve should be left open TO FLUSH THE WATER HEATER STORAGE TANK 1 Ensure the cold water inlet valve is open 2 Open a nearby hot water faucet and let the water run until the water is no longer hot Then close the hot ...

Страница 31: ...old I Water in the water heater bottom or on the floor may be from condensation loose connections or the relief valve DO NOT replace the water heater until a full inspection of all possible water sources is made and necessary corrective steps taken To check where threaded portion enters tank insert cotton swab between jacket opening and fitting If cotton is wet follow the instructions in Draining ...

Страница 32: ... of water Never use this water heater unless it is completely filled with water To prevent damage to the tank the tank must be filled with water Water must flow from the hot water faucet before turning ON gas to the water heater Read this manual first Then before checking the water heater make sure the gas supply has been turned OFF and never turn the gas ON before the tank is completely full of w...

Страница 33: ...the new gas control valve thermostat 4 Turn the main gas supply on and check the gas supply connections for leaks Correct any leak found Next light the pilot and main burner then check the manifold tube and pilot tube connections for leaks Correct any leak found Use an approved noncorrosive leak detection solution If such a solution is not available use a mixture of hand dish washing soap and wate...

Страница 34: ... do not use this appliance Immediately call a qualified techni cian to inspect the appliance Water heaters subjected to a flammable vapors ignition will require replacement of the entire water heater LIGHT ON SOLID Pilot light was recently extinguished and the Thermopile is cooling down Turn Gas Control Valve Thermostat knob to OFF Wait 10 minutes for the Thermopile to cool then attempt to relight...

Страница 35: ... is shut off This condition can also occur if the gas control temperature knob has been turned off and the pilot continues to operate because the pilot valve is stuck in the open position Make sure that the gas control valve thermostat knob is set to OFF Wait one minute Remove the outer door Look through the sight glass for a pilot flame If a pilot flame is observed with the gas control valve ther...

Страница 36: ...malfunction Replace pilot thermopile assembly Defective Gas Control Replace Gas Control PILOT OUTAGE Dirty pilot burner Clean pilot assembly Thermopile malfunction Replace pilot thermopile assembly Defective Gas Control Replace Gas Control Thermopile tip is not in contact with pilot flame Insert thermopile correctly NOT ENOUGH HOT WATER Heater not lit or thermostat not on See Lighting Instructions...

Страница 37: ...37 NOTES ...

Страница 38: ...38 ...

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