PowerVent 43VP40E2 Page 31 Use And Care Manual Download

Page: 31 / 40

Sequence of Operation…

1 .. During.initial.start-up.or.a.call.for.heat,.the.control.

will.verify.the.vacuum.switch.is.open .

2 .. Once.the.control.verifies.the.blower.vacuum.switch.is.

open,.the.control.will.energize.the.blower.motor.for.

the.pre-purge.sequence.(approximately.5.seconds) .

3 .. The.control.will.verify.the.blower.vacuum.switch.

has.closed,.ensuring.that.the.blower.is.functioning.

properly.and.that.the.venting.system.is.not.blocked .

4 .. The.control.will.then.proceed.through.a.sequence.of.

self-diagnostics.before.initiating.a.trial.for.ignition .

5 .. During.the.trial.for.ignition,.the.pilot.will.spark.in.

an.attempt.to.light.the.pilot ...Once.the.pilot.flame.is.

established,.the.main.gas.valve.will.open.allowing.gas.

to.flow.to.the.main.burner .

6 .. The.main.burner.and.pilot.will.remain.lit.throughout.

the.heat.cycle.until.the.water.temperature.setting.is.

reached .

7 .. Once.the.water.temperature.setting.is.reached,.the.

control.will.close.the.main.gas.valve.and.pilot.valve.

which.will.extinguish.both.the.main.burner.and.pilot.

burner.flames .

8 .. The.blower.motor.will.stay.energized.for.an.additional.

30.seconds.after.the.control.verifies.that.the.burner.

flame.is.extinguished.in.order.to.clear.combustion.

gases.from.the.water.heater ...

9 .. After.the.post-purge.sequence,.the.control.will.

de-energize.the.blower.motor.and.go.into.a.stand-by.

mode.awaiting.the.next.call.for.heat .

This.water.heater.is.equipped.with.a.flammable.vapor.

sensor.that.is.monitored.continuously.by.the.electronic.

control.in.all.modes.of.operation ..

In.the.event.that.flammable.vapors.are.detected,.the.

control.will.automatically.shut.down.the.water.heater.and.

prevent.the.water.heater.from.being.started.again .
The.following.is.a.list.of.materials.that.will.cause.the.

Flammable.Vapor.Sensor.to.shut.down.the.water.heater .



.Vapors.of.Gasoline .



..Vapors.of.certain.flammable.paints,.stains,.and.thinners .



..Vapors.of.vent.pipe.Cement.&.Solvents .



..Bleach.(direct.contact.with.flammable.vapor.sensor) .



..Some.other.flammable.materials.and.their.vapors .

If.the.flammable.vapor.sensor.shuts.down.the.water.heater,.

then.the.electronic.control.will.display.the.appropriate.

error.code.and.you.should.then.promptly.contact.a.

qualified.service.technician .
Refer.to.the.“WARNING”.on.page.3.for.additional.
information ..

Summary of Contents for 43VP40E2

Page 1: ...stment of the water heater and two for the owner operator to explain the features operation safety precautions maintenance and troubleshooting of the water heater This manual also includes a parts list It is very important that all persons who are expected to install operate or adjust this water heater read the instructions carefully so they may understand how to perform these operations If you do...

Page 2: ...care on your part can save you time and money over the life of your water heater You ll find many answers to common problems in the Troubleshooting Guide If you review the chart of Troubleshooting Tips first you may not need to call for service READ THIS MANUAL Your safety and the safety of others are very important There are many important safety messages in this manual and on your appliance Alwa...

Page 3: ...nts paint thinners etc and the vapors they produce are extremely dangerous DO NOT handle use or store gasoline or other flammable or combustible materials anywhere near or in the vicinity of a water heater or any other appliance Be sure to read and follow warning label pictured below and other labels on the water heater as well as the warnings printed in this manual Failure to do so can result in ...

Page 4: ...ion below details the approximate water temperature for each mark on the Gas Control Thermostat Temperature Dial D A N G E R HOT Water temperature over 125 can cause severe burns instantly or death from scalds Children disabled and elderly are at highest risk of being scalded See instruction manual before setting temperature at water heater Feel water before bathing or showering Temperature limiti...

Page 5: ... LP gas must be used with great caution It is heavier than air and will collect first in lower areas making it hard to detect at nose level Before attempting to light the water heater make sure to look and smell for gas leaks Use a soapy solution to check all gas fittings and connections Bubbling at a connection indicates a leak that must be corrected When smelling to detect a gas leak be sure to ...

Page 6: ... installation For residential water heaters of a capacity greater than 52 gallons consult the local building jurisdiction for acceptable bracing procedures Have the installer show you the location of the gas shut off valve and how to shut it off if necessary Turn off the manual shut off valve if the water heater has been subjected to overheating fire flood physical damage or if the gas supply fail...

Page 7: ...t down condition of the water heater which will not allow the water heater to ignite until examined by a Qualified Service Technician FVIR certified gas water heaters can be installed on a residential garage floor without the use of an 18 stand in accordance with the National Fuel Gas Code NFPA 54 ANSI Z223 1 2006 unless otherwise directed by State and Local code requirements The water heater must...

Page 8: ...s than one square inch per 4000 Btuh of the total input rating of all the appliances in the enclosure If horizontal ducts are used to communicate with the outdoors each opening must have a minimum net free area of not less than one square inch per 2000 Btuh of the total input rating of all the appliances in the enclosure If ducts are used the minimum dimensions of rectangular air ducts shall not b...

Page 9: ...ted operation of the relief valve Other methods of controlling thermal expansion are also available Contact your installing contractor water supplier or plumbing inspector for additional information regarding this subject Refer to the illustration below for suggested typical installation The installation of unions or flexible copper connectors is recommended on the hot and cold water connections s...

Page 10: ...e by gravity of the relief valve and discharge line The end of the discharge line should not be threaded or concealed and should be protected from freezing No valve of any type restriction or reducer coupling should be installed in the discharge line To Fill the Water Heater Make certain that the drain valve is closed then open the shut off valve in the cold water supply line Open each hot water f...

Page 11: ...ater heater should be clean 1 2 black steel pipe or other approved gas piping material A ground joint union or ANSI design certified semi rigid or flexible gas appliance connector should be installed in the gas line close to the water heater The National Fuel Gas Code NFGC mandates a manual gas shut off valve See NFGC for complete instructions If flexible connectors are used the maximum length sha...

Page 12: ... or other fittings and the straight length of vent pipe Check the system for signs of sagging or other stresses in the joints as a result of misalignment of any components in the system If any of these conditions are found they must be corrected in accordance with the venting instructions in this manual before completing the installation and putting the water heater into service NOTICE The vent pi...

Page 13: ...Altitude chart on left 0 Maximum Altitude See chart on upper left One 1 None 95 75 One 1 One 1 92 5 72 5 Two 2 None 90 70 Two 2 One 1 87 5 67 5 Three 3 None 85 65 Three 3 One 1 82 5 62 5 Four 4 None 80 60 Four 4 One 1 77 5 57 5 Five 5 None 75 55 For the 3 vent one 90 elbow is approximately equal to 5 feet of vent pipe One 45 elbow is approximately equal to 2 5 feet of vent pipe Minimum vent length...

Page 14: ...freeze on the exterior wall under the eaves and on surrounding objects Some discoloration to the exterior of the building is to be expected However improper location or installation can result in severe damage to the structure or exterior finish of the building Horizontal Vent Terminal Location The location of the vent terminal depends on the following minimum clearances and considerations see ill...

Page 15: ...level Maximum twenty four 24 inches above roof level without additional support for vent Four 4 feet from any gable dormer or other roof structure with building interior access i e vent window etc Ten 10 feet from any forced air inlet to the building Any fresh or make up air inlet such as a dryer or furnace area is considered to be a forced air inlet Short Piece of Vent Pipe Min 12 Above Roof Min ...

Page 16: ... the joint with a rag Allow 15 minutes before handling Cure time will vary according to fit temperature and humidity NOTICE Stir the solvent cement frequently while using Use a natural bristle brush or the dauber supplied with the can The proper brush size is one inch NOTICE This unit is equipped with a Flammable Vapor Sensor Do not apply power until enough time has passed to allow the vapors from...

Page 17: ...r heater may be connected to electric service with the power cord provided DO NOT use an extension cord A grounding receptacle is required If local codes do not permit the use of cord connections a 120 V 50 60 Hz power supply with suitable disconnecting means must be connected to the black and white leads in the heater control enclosure A knock out hole is provided to permit use of conduit or meta...

Page 18: ...water heater Diagram With Optional Electronic Display CAUTION Label all wires prior to disconnection when servicing controls Wiring errors can cause improper and dangerous operation VERIFY PROPER OPERATIONAFTER SERVICING ...

Page 19: ...er pay careful attention to the following so as not to restrict the proper function and operation of the water heater Do not cover the operating or warning labels attached to the water heater or attempt to relocate them on the exterior of insulation blanket Do not apply insulation to the top of the water heater This will interfere with the safe operation of the blower assembly Do not cover the bur...

Page 20: ...E Do not over tighten to avoid cracking plastic enclosure 4 Determine where the User Display will be located The display can be attached to the water heater jacket with supplied Water Heater Mounting Bracket or mounted remotely to a wall via the wall plate up to 100 feet away using 18 AWG solid copper thermostat wire Any installation location over 12 feet from the water heater will require additio...

Page 21: ...battery cover 23 Pass thermostat wire through wire hole in wall plate 24 Use mounting holes on wall plate to mark wall hole locations 25 Drill 3 16 holes and install wall anchors if required 26 Use two 6 x 1 Type A screws provided in the User Display box to attach wall plate to surface 27 Connect thermostat wire to wall plate as follows Top Terminal GREEN Data Communication Middle Terminal RED Pow...

Page 22: ...o button presses are detected within a 60 second period C A U T I O N R i s k o f S c a l d i n g I n c r e a s e s w i t h H o t t e r Wa t e r Heat Very Hot C B A Hot Low Max Setting SERVICE NEEDED Error 88 ON VAC HI DEMAND Est Hot Water Done Mute Clear Mode 25 ON Est Hot Water Very Hot C B A Hot Low Up Down Keys Display Temperature Setting Limits Display Temperature Setting Water heater setpoin...

Page 23: ...as chosen to set the temperature to Hot When the user display is set to the maximum available setpoint the Max Setting message will appear on the user display ON Est Hot Water Very Hot C B A Hot Low Max Setting ON Est Hot Water Very Hot C B A Hot Low The water heater gas valve knob below is set to VERY HOT therefore the user display shows Very Hot as the maximum available setpoint The customer in ...

Page 24: ...tures a vacation mode which sets the water heater temperature to Low The user display toggles between On and Vacation Modes when Mode key is pressed Note that the Estimated Hot Water symbol shows no hot water available when in VAC mode To return the water heater to normal ON mode unlock the display and press the Mode button Vacation Mode Estimated Hot Water Error Display When an error message is r...

Page 25: ...T remove the Burner Access Door unless absolutely necessary This should only be done by a qualified service technician A new burner access door gasket must be installed on any burner access door that has been removed DON T install this water heater where standing water may occur The base of the water heater is meant to be mounted on a dry surface DON T allow cleaners solvents or other materials to...

Page 26: ...t and free of leaks Gas line equipped with shut off valve union and sediment trap Approved pipe joint compound used Soap and water solution used to check all connections and fittings for possible gas leak Gas Company inspected installation if required Temperature and Pressure Relief Valve properly installed and discharge line run to open drain Discharge line protected from freezing Heater vented s...

Page 27: ...e Heating Installation Spring loaded check valve in heating unit hot water supply line and cold water return line not supplied with water heater NOTE This check valve is incorporated in some heating units Refer to the installation instructions supplied with specific heating unit to determine if it is required All water piping shall be insulated in accordance with Local and State Energy Code Isolat...

Page 28: ...w and all other labels on the water heater as well as the warnings printed in this manual Failure to do so can result in unsafe operation of the water heater resulting in property damage personal injury or death Should you have any problems reading or following the instructions in this manual STOP and get help from a qualified person ...

Page 29: ...with HOT water Water Temperature Setting The temperature of the water in the water heater can be regulated by turning the knob on the front of the gas control thermostat Safety and energy conservation are factors to be considered when selecting the water temperature setting of the water heater s gas control thermostat s The lower the temperature setting the greater the savings in energy and operat...

Page 30: ...ncapacitated The gas control thermostat is constructed with a built in safety shut off device designed to shut off the gas supply to the burner if the main burner is extinguished for any reason The gas control thermostat is also equipped with a gas shut off device that will shut off the gas supply to the burn er if the water heater exceeds normal operating tempera tures Refer to the Before You Cal...

Page 31: ...ner flames 8 The blower motor will stay energized for an additional 30 seconds after the control verifies that the burner flame is extinguished in order to clear combustion gases from the water heater 9 After the post purge sequence the control will de energize the blower motor and go into a stand by mode awaiting the next call for heat This water heater is equipped with a flammable vapor sensor t...

Page 32: ...ve on the water heater discharges periodically this may be due to thermal expansion in a closed water system Contact the water supplier or your plumbing contractor on how to correct this DO NOT plug the relief valve outlet A water heater s tank can act as a settling basin for solids suspended in the water It is therefore not uncommon for hard water deposits to accumulate in the bottom of the tank ...

Page 33: ...oved the burner access door gasket must be replaced For cleaning remove the burner from the water heater A vacuum cleaner can be used on the burner and floor shield inside the water heater The burner can also be cleaned by scrubbing with mild detergent Proper burner flame pattern Venting System Inspection The water heater s internal flue must be inspected annually to be certain it is clean by remo...

Page 34: ... Gas Caution in the Operating Instructions Anode Rod This water heater is equipped with an anode rod designed to prolong the life of the glass lined tank The anode rod is slowly consumed thereby eliminating or minimizing corrosion of the glass lined tank Water sometimes contains a high sulfate and or mineral content and together with cathodic protection process can produce a hydrogen sulfide or ro...

Page 35: ... Use a water heater size that meets the requirements heater will cause of your needs condensation Yellow flame Scale on top of the burner Contact a qualified service technician to remove scale or soot Flue or Combustion air inlet Remove obstruction or debris from flue or openings are restricted combustion air inlet openings on water heater jacket Not enough combustion or Proper operation of the wa...

Page 36: ...tion Shutoff System Contact a qualified service technician tripped Water is too hot The gas control thermostat See the Water Temperature Setting of The Water is set too high Heater section of this manual Gas Control Thermostat Contact a qualified service technician to replace the Defective gas control thermostat Before You Call For Service Troubleshooting Tips Save time and money Review the charts...

Page 37: ...as valve control 11 Six One Flash three second pause Failed trial for ignition Insufficient gas supply unstable pilot carbon buildup on electrode or wire pilot tube damage 1 Check gas supply 2 Replace pilot 45 Six Two Flash three second pause Recycle limit PS limit opened Vent blockage or improper instal lation switch tube blockage faulty switch blower improper operation blower temperature switch ...

Page 38: ...t burners vent connectors or other safety devices Refer repairs to qualified service personnel Use only original equipment replacement parts Blower Assembly Flue baffle and hanger Anode rod Heat Trap Nipple Heat Trap Nipple Dip tube Dip tube gasket Drain valve Temperature and pressure relief valve Gas Control Thermostat Igniter Burner supply tube Burner Jacket Door Burner Access Door Grommet Sight...

Page 39: ...39 Notes This page intentionally left blank ...

Page 40: ...arbon monoxide detec tor with alarm and battery back up may be installed on the next adjacent floor level b In the event that the requirements of this subdivision can not be met at the time of completion of installation the owner shall have a period of thirty 30 days to comply with the above requirements provided however that during said thirty 30 day period a battery operated carbon monoxide dete...

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