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Vacation and Extended Shut-Down

If the water heater is to remain idle for an 

extended period of time, the power and 

water to the appliance should be turned off 

to conserve energy and prevent a build-up 

of dangerous hydrogen gas.
The water heater and piping should be 

drained if they might be subjected to 

freezing temperatures.

After a long shut-down period, the 

water heater’s operation and controls 

should be checked by qualified service 

personnel.  Make certain the water heater 

is completely filled again before placing it  

in operation.

NOTICE: Refer to the 

Hydrogen 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 rotten egg odor in 

the heated water. Chlorination of the water 

supply should minimize the problem.

NOTICE: Do not remove  

the anode rod from the water 

heater’s tank, except for 

inspection and/or replacement, 

as operation with the anode 

rod removed will greatly 

shorten the life of the glass 

lined tank and will exclude 

warranty coverage.

Care and cleaning of the water heater

Summary of Contents for PowerVent AP14236

Page 1: ...he basic directions and recommendations for the proper installation and adjustment of the water heater and two for the owner operator to explain the features operation safety precautions maintenance a...

Page 2: ...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 ca...

Page 3: ...s 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 hea...

Page 4: ...rature Dial D A N G E R HOT Water temperature over 125 F can cause severe burns instantly or death from scalds Children disabled and elderly are at highest risk of being scalded See instruction manual...

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...

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 t...

Page 7: ...ate a shut down condition of the water heater which will not allow the water heater to ignite until examined by a Qualified Service Technician The water heater must be located so it is not subject to...

Page 8: ...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...

Page 9: ...ondition and eliminating the repeated operation of the relief valve Other methods of controlling thermal expansion are also available Contact your installing contractor water supplier or plumbing insp...

Page 10: ...ncealed 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...

Page 11: ...s supply piping at pressures equal to or less than 3 8 psi 10 5 w c for natural gas or 1 2 psi 14 w c for LP gas Gas Supply The branch gas supply line to the water heater should be clean 1 2 black ste...

Page 12: ...nual have been met Carefully inspect the entire venting system for any signs of cracks or fractures particularly at the joints between elbows or other fittings and the straight length of vent pipe Che...

Page 13: ...s For the 2 vent one 90 elbow is approximately equal to 6 feet of vent pipe One 45 elbow is approximately equal to 3 feet of vent pipe Minimum vent length for 2 vent pipe is one 1 foot of vertical pip...

Page 14: ...t Pipe Length in Feet ft 0 Maximum Altitude See chart on upper left One 1 None 95 One 1 One 1 92 5 Two 2 None 90 Two 2 One 1 87 5 Three 3 None 85 Three 3 One 1 82 5 Four 4 None 80 Four 4 One 1 77 5 Fi...

Page 15: ...xterior 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 th...

Page 16: ...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 A...

Page 17: ...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...

Page 18: ...nce with latest edition of the National Electric Code ANSI NFPA No 70 Refer to the figures below for water heater internal wiring NOTE It is not recommended that this unit be installed on a GFCI circu...

Page 19: ...ication of an external insulation blanket to this water heater pay careful attention to the following so as not to restrict the proper function and operation of the water heater Do not cover the opera...

Page 20: ...cess 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...

Page 21: ...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 l...

Page 22: ...ating 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...

Page 23: ...s phone Follow the gas suppliers Do not try to light any appliance Do not touch any electric switch do not use any phone in your building WHAT TO DO IF YOU SMELL GAS 9 10 Stop Read the safety informa...

Page 24: ...temperature of the water in the water heater can be regulated by pressing the buttons on the front of the gas control thermostat Safety and energy conservation are factors to be considered when selec...

Page 25: ...refore always remember to test the water temperature with your hand before use and remember that hotter water increases the risk of scald injury Also always supervise young children or others who are...

Page 26: ...as valve which will extinguish the main burner flames The blower motor will stay energized for an additional 30 seconds after the control verifies that the burner flame is extinguished in order to cle...

Page 27: ...ef valve 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...

Page 28: ...ealed area If the burner access door is removed 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...

Page 29: ...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 elimin...

Page 30: ...inlet openings on water heater jacket Not enough combustion or Proper operation of the water heater requires air for ventilation air supplied to combustion and ventilation See the Combustion and the...

Page 31: ...ion 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 manu...

Page 32: ...d A B C Error in the hot surface ignitor cir cuit 1 Check that all wiring is correct and secure 2 Replace hot surface ignitor A B C System in lockout 1 Gas supply is off or too low to operate 2 Hot su...

Page 33: ...hermostat 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 He...

Page 34: ...34 Notes...

Page 35: ...35 Notes...

Page 36: ...an attic the hard wired carbon 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...

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