Maytag HN41240X, HN51240X User Manual
1VIAYIAG
®
Series Twelve
GAS WATER HEATER
USER'S GUIDE @
AN ODORANT ISADDED TO THE GAS USED BY THIS Model Numbers
WARNING: If the information in these instructions are not fol- HP41240X
lowed exactly, a fire or explosion may result, causing property HP51240X
damage, personalinjuryor death. HN41250X
-Do not store or use gasolineor other flammable vaporsand liq- HP41250X
uids inthe vicinityof thisor any other appliance. HP51250X
-WHAT TO DOIFYOU SMELLGAS HN41250Q
• Do nottry to lightany appliance. HP41250Q
• Do not touch any electrical switch; do not use any phone in HP51250Q
your building. HN41275Q
• Immediately callyour gas supplier from a neighbor's phone. HN51275Q
Followthe gassupplier'sinstructions. HP41275Q
• If you can not reachyour gassupplier,callthe fire department. HP51275Q
-Installation and servicemustbe performed by a qualified installer,
serviceagencyorthe gassupplier. FOR POTABLE WATER
Improper installation, adjustment, alteration, service or mainte- NOT SUITABLEFOR
nance can cause DEATH,SERIOUSBODILYINJURY,OR PROPERTY SPACEHEATING
DAMAGE. Refer to this manual for assistance or consult the local
gas utility for further information. NOT FOR USE IN
For Your Safety
WATER HEATER HN41240X
HN51240X
HN51250X
HN51250Q
HEATINGONLY
AWARNING
(MOBILE)HOMES
Flammable vapors may be drawn by air currents from other
areas of the structure to th s app lance. Caution:
READ THE GENERAL SAFETY SECTION BEGINNING ON INSIDE Operating Instructions
COVER AND THEN THIS ENTIREMANUAL BEFOREINSTALLING Before First Use of
OR OPERAT NG THIS WATER HEATER.
Save this Manual for Future Reference.
AWARNING I MANUFACTURED
Readand Follow All
A,WARNING Safety Rules and
This Product.
Safety Instructions
AWARNING AWARNING
Improper installation, adjustment, alteration, service At the time of manufacture this water heater was pro-
or maintenance can cause death, serious bodily vided with a combination temperature-pressures relief
injury, or property damage. Refer to this manual for valve certified by a nationally recognized testing labo-
assistance consult your local gas utility or call ratory that maintains periodic inspection of production
Maytag Customer Service at 1-800-788-8899 for an of listed equipment or materials, as meeting the
authorized servicer for further information.
requirements for Relief Valves and Automatic Gas
Shutoff Devices for Hot Water Supply Systems, and
the latest edition of ANSI Z21.22 and the code require-
&WARNING requirements of local codes, but not lessthan a combi-
|WATER HEATERS EQUIPPED FOR ONE TYPE GAS nation temperature and pressure relief valve certified
|ONLY: This water heater is equipped for one type as meeting the requirements for Relief Valves and
gas only. Check the model rating plate near the gas Automatic Gas Shutoff Devicesfor Hot Water Supply
control valve for the correct gas. DO NOT USE THIS
WATER HEATER WITH ANY GAS OTHER THAN THE ing laboratory that maintains periodic inspection of
ONE SHOWN ON THE MODEL RATING PLATE.Failure production of listed equipment or materials.
to use the correct gas can cause problems which can The valve must be marked with a maximum set pres-
result in DEATH, SERIOUS BODILY INJURY, OR PROP- sure not to exceed the marked hydrostatic working
ERTY DAMAGE. If you have any questions or doubts pressure of the water heater (150 Ibs./sq. in.) and a
consult your gas supplier or local utility, discharge capacity not less than the water heater
ments of ASME. If replaced, the valve must meet the
Systems, ANSI Z21.22 by a nationally recognized test-
input rate as shown on the model rating plate.
(Electric heaters - watts divided by 1000 x 3415 equal
BTU/Hr. rate.)
AWARNING Your local jurisdictional authority, while mandating the
INSTALLATIONS IN AREAS WHERE FLAMMABLE LIQ- use of a temperature-pressure relief valve complying
UIDS (VAPORS)ARE LIKELYTO BEPRESENTOR STORED with ANSI Z21.22 and ASME, may require a valve model
(GARAGES, STORAGE, AND UTILITY AREAS, ETC):
I Flammable liquids (such as gasoline, solvents, propane Compliance with such local requirements must be sat-
(LP) or butane, etc.), all of which emit flammable isfied by the installer or end user of the water heater
vapors, may be improperly stored or used in such with a locally prescribed temperature-pressure relief
areas. The gas water heater pilot light or main burner valve installed in the designated opening in the water
can ignite suchvapors, The resulting flashback and fire heater in place of the factory furnished valve..
can cause death or serious burns to anyone in the For safe operation of the water heater, the rehef valve
area, as well as property damage, must not be removed from it's designated opening or
If installation in such areas is your only option, then plugged.
the installation must be accomplished in a way that The temperature-pressure relief valve must be
the pilot flame and main burner flame are elevated installed directly into the fitting of the water heater
from the floor at least 18 inches,While this may reduce designated for the relief valve. Position the valve
the chances of flammable vapors from a floor spill downward and provide tubing so that any discharge
being ignited, gasoline and other flammable sub- will exit only within 6 inches above, or at any distance
stances should never be stored or used in the same below the structural floor. Becertain that no contact is
room or area containing a gas water heater or other made with any live electrical part. The discharge open-
open flame or spark producing appliance, ing must not be blocked or reduced in size under any
NOTE: Flammable vapors may be drawn by air currents circumstances.Excessivelength, over 30 feet, or useof
from other areas of the structure to the appliance, more than four elbows can cause restriction and
different from the one furnished with the water heater.
reduce the discharge capacity of the valve.
No valve or other obstruction isto be placed between
the relief valve and the tank. Do not connect tubing
AWARNING directly to discharge drain unlessa 6_air gap is provic[-
If this water heater will be used in beauty shops, ed. To prevent bodily injury, hazard to life, or property
barber shops, cleaning establishments, or self-serv- damage, the relief valve must be allowed to discharge
ice laundries with dry cleaning equipment, it is water in quantities should circumstances demand. If
imperative that the water heater or water heaters the discharge pipe is not connected to a drain or other
be installed so that combustion and ventilation air suitable means, the water flow may cause property
be taken from outside these areas. Refer to the damage.
"Locating The New Water Heater" section of this The Discharge Pipe:
manual and also the latest edition of the National • Must notbe smaller in size than the outlet pipe size
Fuel Gas Code, ANSI Z223.1, also referred to as NFPA of the valve, or have any reducing couplings or
54 for specifics provided concerning air required, other restrictions.
• Must not be plugged or blocked.
• Must be of material listed for hot water distribution.
AWARNING • Must be installed so as to allow complete drainage
A fire can start if combustible materials such as the discharge pipe.
clothing, cleaning materials, or flammable liquids • Must terminate at an adequate drain.
are paced against or next to the water heater. • Must not have any valve between the relief valve
2
of both the temperature-pressure relief valve, and
and tank. I
Safety Instructions
AWARNING AWARNING
A gas water heater cannot operate properly without This water heater must not be installed directly on
the correct amount of air for combustion. Do not carpeting. Carpeting must be protected by a metal
install in a confined area such a closet, unless you or wood panel beneath the appliance extending
provide air as shown in the "Locating The New beyond the full width and depth of the appliance by
Water Heater" section. Never obstruct the flow of at least 3 inches (76.2mm) in any direction, or if the
ventilation air. If you have any doubts or questions appliance is installed in an alcove or closet, the
at all, call your gas company. Failure to provide the entire floor must be covered by the panel. Failure to
proper amount of combustion air can result in a fire heed this warning may result in a fire hazard.
or explosion and can cause DEATH, SERIOUS BODILY
INJURY,OR PROPERTYDAMAGE.
AWARNING
VENT DAMPERS - Any vent damper, whether it is
AWARNING operated thermally or otherwise must be removed if
HOTTER WATER CAN SCALD: Water heaters are its use inhibits proper drafting of the water heater.
intended to produce hot water. Water heated to a Thermally Operated Vent Dampers: Gas-fired water
temperature which will satisfy clothes washing, dish heaters having thermal efficiency in excess of 80%
washing, and other sanitizing needs can scald and may produce a relatively low flue gas temperature.
permanently injure you upon contact. Some people Such temperatures may not be high enough to prop-
are more likely to be permanently injured by hot erly open thermally operated vent dampers. This
water than others. These include the elderly, children, would cause spillage of flue gases and may cause
the infirm, or physically/mentally handicapped. If carbon monoxide poisoning.
anyone using hot water in your home fits into one of Vent dampers must bear evidence of certification as
these groups or if there is a local code or state law complying with the latest edition of American
requiring a certain temperature water at the hot National Standard ANSI Z21.68 (ANSI Z21.66 & 67,
water tap, then you must take special precautions. In respectively, cover electrically and mechanically actu-
addition to using the lowest possible temperature ated vent dampers). Before installation of any vent
setting that satisfies your hot water needs, a means damper, consult your local gas utility for further
such as a mixing valve, should be used at the hot information.
water taps used by these people or at the water
heater. Mixing valves are available at plumbing sup-
ply or hardware stores. Follow manufacturers instruc-
tions for installation of the valves. Before changing
the factory setting on the thermostat, read the AWARNING
"Temperature Regulation" section in this manual.
AWARNING inch (3,5kPa).
Soot build-up indicates a problem that requires cor- ply piping system by closing its individual manual
rection before further use. Turn "off" gas to water shutoff valve during any pressure testing of the
heater and leave "off" until repairs are made, gas supply piping system at test pressures equal or
because failure to correct the cause of the sooting lessthan 1/2 pound per square inch (3.SkPa).
can result in a fire or explosion causing DEATH, SERI-
OUS BODILY INJURY, OR PROPERTYDAMAGE.
* The appliance and its individual shutoff valve must
be disconnected from the gas supply piping system
during any pressure testing of the gas system at
test pressures in excess ofl/2 pound per square
The appliance must be isolated from the gas sup-
AWARNING AWARNING
BEFORE LIGHTING [PROPANE (L.P.) GAS WATER tem may occur if air for combustion contains certain
HEATERS]: Propane (L.R) gas is heavier than air. chemical vapors. Spray can propellants, cleaning sol-
Should there be a leak in the system, the gas will set-
tie near the ground. Basements, crawl spaces, skirted swimming pool chemicals, calcium and sodium chlo-
areas under manufactured (mobile) homes (even ride, waxes, bleach, and process chemicals are typJ-
when ventilated), closets and areas below ground cal compounds which are potentially corrosive,
level will serve as pockets for the accumulation of this
gas. Before attempting to light or relight the water
eater's pilot or turning on a nearby electrical light
switch, be absolutely sure there is no accumulated
ground level in the vicinit_ of the appliance. If odor is Obstructed or deteriorated vent systems may
gas in the area. Search for odor of gas by sniffing at _,WARNING pres-
detected, follow steps indicated at "For Your Safety" ent a serious health riskor asphyxiation.
on the cover page of this manual then leave the
premises.
Chemical vapor corrosion of the flue and vent sys-
vents, refrigerator and air conditioner refrigerants,
3 Safety Instructions continued on page 4.
Safety Instructions
_,WARNING _WARNING
The water heater with draft hood installed must be INSULATING JACKETS; When installing an external
properly vented to a chimney which terminates out- water heater insulation jacket on a gas water heater:
doors. Never operate the water heater unless it is • DO NOT coverthe temperature-pressure relief valve.
vented to the outdoors and has adequate air supply • DO NOT put insulation over any part of the top of
to avoid risks of improper operation, explosion or the gas water heater.
asphyxiation. • DO NOT put insulation over the gas control valve or
gas control valve/burner cover, or any accessareas
to the burner.
• DO NOT let insulation around the gas water heater
Minimum clearances between the water heater and the burner).
combustible and noncombustible construction are 1'p • DO NOT cover or remove operating instructions,
at the sides and rear, 4" at the front, and 6" from the and safety related warning labels and materials
vent pipe. Clearance from the top of the jacket is 18" affixed to the water heater.
on most models. Note that a lesser dimension may be Failure to heed this will result in the possibility of a
allowed on some models. Refer to the label on the fire or explosion.
water heater adjacent to the gas control valve for all
clearances.
Flood damage to a water heater may not be readily the water heater must be accomplished in such a
visible or immediately detectible. However, over a manner that if the tank or any connections should
period of time a flooded water heater will create leak, the flow of water will not cause damage to
dangerous conditions which can cause DEATH, SERI- the structure. For this reason, it is not advisable to
OUS BODILY INJURY OR PROPERTY DAMAGE. install the water heater in an attic or upper floor.
Contact the Maytag dealer from whom the appli- When such locations cannot be avoided, a suitable
ance was purchased or call Maytag Customer Service drain pan should be installed under the water
at 1-800-788-8899 for an authorized servicer to heater. Drain pans are available at your local hard-
replace a flooded water heater, Do not attempt to ware store. Such a drain pan must be not greater
repair the unit! It must be replaced! than 1½ inches deep, have a minimum length and
HYDROGEN GAS: Hydrogen gas can be produced in
a hot water system that has not been used for a nection with this water heater.
long period of time (generally two weeks or more).
Hydrogen gas isextremely flammable and explosive.
To prevent the possibility of injury under these con-
ditions, we recommend the hot water faucet be
opened for several minutes at the kitchen sink
before any electrical appliances which are connected
to the hot water system are used (such as a dish-
washer or washing machine). If hydrogen gas is
present, there will probably be an unusual sound
similar to air escaping through the pipe as the hot
water faucet is opened. There must be no smoking
or open flame near the faucet at the time it isopen.
AWARNING to get within 8 inches of the floor (air must get to
ACAUTION
AWARNING WATER HEATERS EVENTUALLY LEAK: Installation of
width of at least 2 inches greater than the water
heater dimensions and must be piped to an ade-
quate drain. The pan must not restrict combustion
AWARNING air flow. Under no circumstances is the manufactur-
er to be held liable for any water damage in con-
Table of Contents
Safety Instructions ..................................................................................................................................2-4
Table of Contents ..........................................................................................................................................5
Customer Information .......................................................................................................................6
Product Specifications ...........................................................................................................................7
Accessories and Tools Needed .................................................................................................7
Accessories ........................................................................................................................................................................ .7
Tools ..................................................................................................................................................................................... 7
Instructions for Installation ...........................................................................................8-17
Removing the Old Water Heater .......................................................................................................................................... 8
Typical Installation ............................................................................................................................................................... 9
Locating the New Water Heater. ..................................................................................................................................... 10
Combustion Air and Ventilation for Appliances in Unconfined Spaces ............................................................................. 11
Combustion Air and Ventilation for Appliances in Confined Spaces ........................................................................... 11-12
Water Piping ................................................................................................................................................................. 13
Temperature-Pressure Relief Valve ................................................................................................................................. 14
Filling the Water Heater ............................................................................................................................................... 15
Venting ........................................................................................................................................................................ 15-16
Gas Piping ................................................................................................................................................................. 16-17
Installation Checklist ........................................................................................................................................................ 18
Instru cfion.s...fo.r.._pe::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::
Temperature Regulation ................................................................................................................................................. .21
Service and Maintenance ..........................................................................................................2>z4
Venting System Inspection. .............................................................................................................................................. .22
Burner Inspection ........................................................................................................................................................ .22
kP. Gas Control Valve and Burner Assembly Replacement Information ......................................................................... .23
Burner Cleaning ........................................................................................................................................................... 23
Draining. ......................................................................................................................................................................... 23
Temperature-Pressure Relief Valve Operation ............................................................................................................... 23
Drain Valve Washer Replacement .................................................................................................................................. .24
Housekeeping ................................................................................................................................................................ 24
Service ............................................................................................................................................................................. .24
Condensation ............................................................................................................................................................. .25
Smoke/Odor ............................................................................................................................................................... .25
Thermal Expansion ................................................................................................................................................... .25
Strange Sounds. ............................................................................................................................................................ .25
Operational Conditions ................................................................................................................................................ .26-27
Smelly Water ................................................................................................................................................................ 26
Air in Hot Water Faucets .............................................................................................................................................. 26
High Temperature Shut Off System ............................................................................................................................ .26
Not Enough Hot Water .............................................................................................................................................. 26
Water is too Hot ........................................................................................................................................................ ..27
Leakage Checkpoints ................................................................................................................................................ 28
Repair Parts List .................................................................................................................................. 29-35
Warranty ...................................................................................................................................................................36
Customer Information
Thank You for purchasing a Maytag water heater, and be aware of.All warnings and all instructions are essential
Properly installed and maintained, it should giveyou years of to the proper operation of the water heater and your safety.
trouble free service. It is strongly suggested that this new water Since we cannot put everything on the first few pages, READ
heater be professionally installed, contact Maytag Customer THE ENTIRE MANUAL BEFORE ATTEMPTING TO
Service (1-800-788-8899) for recommended installers. INSTALL OR OPERATETHE WATER HEATER.
Abbreviations Found In This Instruction Manual manual; gas company rules; and Local Codes, or in the
CSA - Canadian Standards Association absence of Local Codes, with the latest edition of the
ANSI - American National Standards Institute
NFPA - National Fire Protection Association NFPA 54. This publication is available from your local gov-
&WARNING understand anyportion of the instructions, callMaytag
This gas-fired water heater is design certified by CSA Customer Service at 1-800-788-8899 for an authorized servicer.
INTERNATIONALunder American National Standard/CSA • Carefully plan the place where you are going to put thewater
Standard ANS Z21,10.1 • CSA4.1 (latest edition) for gas
water heaters. The installation must conform with this heater. Correct combustion, vent action, and vent pipe instal-
manual,Local Codesand with the latest edition of the lation arevery important in preventing death from possible
National Fuel GasCode,ANSI Z223.1. carbon monoxide poisoning and fires.
Thispublication is available from your localgovernment Examine the location to ensure the water heater complies with
or public library, gas company, or by writing NFPA,
BatterymarchPark,Quincy, MA 02269. the "Locating the New Water Heater" section in this manual.
• Read the "Safety Instructions" section, pages 2, 3 and 4 of this dures. Instructions may be obtained from your local dealer,
manual first and then the entire manual carefully.If you don't wholesaler, public utilities or California Office of the State
follow the safety rules, the water heater will not operate prop- Architect, 400 P Street, Sacramento, CA 95814.
erly. It could cause DEATH, SERIOUS BODILY INJURY • Massachusetts Code requires this water heater to be installed
AND/OR PROPERTY DAMAGE. in accordance with Massachusetts 248-CMR 2.00: State
• This manual contains instructions for the installation, opera- Plumbing Code and 248-CMR 5.00.
tion, and maintenance of the gas-fired water heater. It also • Compiles with SCAQMD rule#1121 and districts having
contains warnings through out the manual that you must read equivalent NOx requirements.
• The installation must conform with the instructions in this
National Fuel Gas code, ANSI Z223.1, alsoreferred to as
ernment or public library or gas company or by writing
NFPA, Batterymarch Park, Quincy, MA 02269.
• After reading this manualyou have any questions or do not
• For California installation this water heater must be braced,
anchored, or strapped to avoid falling or moving during an
earthquake. See instructions for correct installation proce-
Product Specifications
Model HN41240X HP41240X HN41250X HP41250X HN41250Q. HP41250Q HN41275Q. HP51275Q.
Tank Capadty
In Gallons 40 40 50 50 50 50 75 75
Type of
Gas Natural Propane Natural Propane Natural Propane Natural Propane
B.T.U.
Rate 40,000 38_000 40,000 39_000 52fi00 48_000 75_100 75,200
RecoveryRate
In GalsPer Hour
@90°FRise 46 44 46 45 57 52 79 79
Minimum
Vent Pipe 3" or 4" 3"or 4" 3" or4" 3" or 4" 4" 4" 4" 4"
Diameter 20" 20" 22" 22" 22" 22" 265" 26.5"
Height To
Top of
Draft Hood 65" 65" 64" 64" 64" 64" 67.5" 67.5"
• High altitude models have a B,T.U./Recovery Rate 10% less than shown.
•HN51240X *HP51240X 'HN51250X *HP51250X *HN51250Q *HP51250Q *HN51275Q *HPS1275Q
6
Accessoriesand ToolsNeeded
Accessories
To simplify the installation Maytag has available the instaLla-
tion parts shown below. You may or may nor need all of these
accessories depending on your type of installation. Call
Ma_ag Customer Service at 1-800-788-8899 for an author-
ized installen
DRAINPANSAVAILABLEIN 22" DIAMETER
EXPANSIONTANKSFORTHERMALEXPANSION (PARTNUMBER66001011) FORWATER
CONDITIONSAVAILABLEINZ GALLON(PART HEATERSHAVINGA DIAMETER20" ORLESS,
NUMBER66001013) AND 5 GALLON(PART
NUMBER66001014) CAPACITY WATERHEATERSHAVINGA DIAMETER22"
24" DIAMETER(PARTNUMBER66001105) FOR
OR LESSAND AVAILABLEIN 28" DIAMETER
(PARTNUMBER66001012) FORWATER
HEATERSHAVINGA DIAMETER26" OR LESS
Tools
Youmayor maynot need all of these tools, depending on your ADDITIONALTOOLSNEEDED
type of installation. These tools can be purchased atyour local WHEN SWEATSOLDERING
hardware store.
Propane Torch
• Pipe Wrenches (2) 14" Soft Solder
• Screwdriver • Solder Flux
• Wire -Brushes
6 Foot Tape of Folding Rule
• Garden Hose
• Drill
• Tin Snips _ i _ EmervCIoth
• Pipe dope or Teflon Tape GARDENHOSE
ROLLOFTEFLONTAPE 3/4" WIREBRUSH
(USEONLYON WATER
CONNECTIONS)
SLOT-HEADSCREWDRIVER
_ _ PROPANETORCH
_ _
PHILLIPSSCREWDRIVER ROLLOELEADFREE
6 FOOTTAPE WRENCH
TIN SNIPS
P,PE
Tubing Cutters or Hacksaw
HACKSAW
1/2" WIREBRUSH
SOFTSOLDER
PIPEDOPE(SQUEEZETUBE) ] [1 ROLLOFEMERY
(USEFORWATERAND _._ SOLDERFLUX TUBINGCUTTER
GASCONNECTIONS)
CLOTH
7
Instructions for Installation
Removing the Old Water Heater
Turn "OFF" the gas supply to the water heater. @ Disconnect the vent pipe from the draft hood where they
connect to the water heater. In most installations the vent
A,WARNING pipe can be lifted off after any screw or other attached
If the maingasline shutoffservingall gasappliancesisused, devices are removed. Dispose of the draft hood. The new
alsoshut"off" the gas at eachappliance.Leaveall gasappli- water heater has the draft hood which must be used for
ancesshut"off" unti/thewaterheaterinstallationiscomplete, proper operation.
a. If you have copper piping to the water
four inches away from where they con-
nect to the water heater. This will
be cut with a hacksaw approximately
"- @ @ avoid cutting off the pipes too short.
_ _ heater, the two copper water pipes can
i_IIIZ:__t'_ [_ __ Additional cuts can be made later if
Turn "OFF" the water to the water _ the water heater is drained, disconnect
heater. Some installations require that _ the drain valve. The water heater is
the water he turned off to the entire
I now completely disconnected and
house. @ ready to be removed.
necessary. Disconnect the temperature-
pressure relief valve drain line. When
the hose from the drain valve. Close
Check again to make sure the gas sup-
ply is "OFF" to the water heater. Then I _ _ @ b. If you have galvanized pipe to the water
from the gas control valve, with a pipe wrench at the union in each
disconnect the gas supply connection __ heater, loosen the two galvanized pipes
Attach a hose to the water heater drain pieces should be saved since they may
valve and put the other end in afloor _ _ be needed when reconnecting the new
drain or outdoors. Open the water water heater. Disconnect the tempera-
heater drain valve. Open a nearby hot ture-pressure reliefvalve drain fine.
water faucet which will relieve pressure When the water heater is drained, dis-
in the water heater and speed draining, connect the hose from the drain valve.
I__ is now completely disconnected and
AWARNING [ &CAUTION
1"hewaterpassingout_may beextremelyhot. |Mineral buildupor sedimentmayhaveaccumulatedin theold
Toavoidbeingscalded,makesureallconnectionsaretight and /water heater,Thiscausesthe water heaterto be muchheavier
thatthewater flow isdirectedawayfromanyperson. ] thannormalandthisresidue,ifspilledout,couldcausestaining.
I line. Also disconnect the piping
t remaining to the water heater. These
Close the drain valve. The water heater
ready to be removed.
8
Instructions for Installation (cont'd)
Typical Installation
CHECKALL CONNECTIONS FOR LEAKS.CONSULTTHE LOCAL UTILITY COMPANY TO EXAMINE INSTALLATIONFOR PRO-
PRIETYAND SAFETY.
HOTWATEROUTLET ___ (REFERTOLOCALCODES)
_ [J-_j _l_ COLDWATERINLET
VACUUMRELIEFREQUIREDBYSOMECODES
ooc
TEMPEREDWATEROUTLET_ _ iL_
*MIXINGVALVE _
i = TEMPERATURE-PRESSURE
SUPPLY
RELIEFVALVE
DISCHARGEPIPE
(Donotcapor plug)
DRAINPAN" -- S TOSUI,A.,EDRA..
This appliance has been design certified as complying with American National Standard/CSA Standard forwater heaters and is con-
sideredsuitable for:
Water (Potable) Heating: All models are "considered suitable for water (potable) heating."
AWAR.,NG ] [
HOTTER WATER CAN SCALD: Water heaters are I /This water heater shall not be connected to any heat-
intended to produce hot water. Water heated to a ling systems or component(s) previously used with a
temperature which will satisfy clothes washing, I [non-potable water heating appliance.
dish washing, and other sanitizing needs can scald
and permanently injure you upon contact. Some l
people are more likely to be permanently injured by
hot water than others. These include the elderly, | A WARNING
children, the infirm, or physically/mentally handi- _ ---
capped. If anyone using hot water in your home fits /Toxicchemicals such as used for treatment of boilers
into one of these groups or if there is a local code or |or non-potable water heating appliances shall never
state law requiring a certain temperature water at |be introduced into a potable water space heating
the hot water tap, then you must take special pre- /system.
cautions. In addition to using the lowest possible
temperature settingthat satisfies your hot water
needs, a means such as a mixing valve, should be
used at the hot water taps used by these people or NOTE: To protect against untimely corrosion of hot and
at the water heater. Mixing valves are available at cold water fittings, it is strongly recommended that di-elec-
plumbing supply or hardware stores. Follow manu- tricunions orcoupfingsbeinstaUedonthiswaterheater
acturers instructions for installation of the valves.
Before changing the factory setting on the thermo- when connected to copper pipe.
stat, read the "Temperature Regulation" section in
this manual.
9
Instructions for Installation (cont'd)
Locating the New Water
Heater
Yon should carefully choose an indoor location for the new AWARNING
water heater, because the placement is a very important con- This water heater must not be installed directly on
sideration for the safety of the occupants in the building and carpeting. Carpeting must be protected by a metal
for the most economical use of the appliance. This water or wood panel beneath the appliance extending
heater is not for use in manufactured (mobile) homes or out- beyond the full width and depth of the appliance
doorinstaUation, the appliance is installed in an alcove or closet, the
Whether replacing an old water heater or putting the water heed this warning may result in a fire hazard.
heater in a new location, the following critical points must be
observed.
The location selected should be indoors as close as practical to Minimum clearances between the water heater and [
the gas vent or chimney to which the water heater vent is going combustible and noncombustible construction are
to be connected, and as centralized with the water piping system 1" at the sides and rear, 4" at the front, and 6 from
aspossible. The water heater, as all water heaters, will eventually the vent pipe. Clearance from the top of the jacket [
leak. Do not install without adequate drainage provisions where is 18" on most models. Note that a lesser dimension
water flow will cause damage, valve°ntheforWaterallclearances.heateradjacent to the gas contro
&CAUTION
WATER HEATERS EVENTUALLY LEAK: Installation of
the water heater must be accomplished in such a
manner that if the tank or any connections should ,2,,HAX. [_- I" L_- I" MIN.
leak, the flow of water will not cause damage to _ •
the structure. For this reason, it is not advisable to 1_
install the water heater in an attic or upper floor. VENTILATION
When such locations cannot be avoided, a suitable AiR
drain pan should be installed under the water ) TOPVIEW
heater, Drain pans are available at your local hard- _ WITHOUTDOOR OFCLOSET
ware store. Such a drain pan must be not greater _'MAX WITHDOOR
than 1'/2inches deep, have a minimum length and
width of at least 2 inches greater than the water OFOOOg _CTm_ULAR3"
heater dimensions and must be piped to an ade- HIN.
quate drain. The pan must not restrict combustion I Figure 1 I AmOUCT
air flow. Under no circumstances isthe manufactur-
er to be held liable for any water damage in con-
nection with this water heater.
by at least 3 inches (76.2mm) in any direction, or if
entire floor must be covered by the panel. Failure to
AWARNING [
may be allowed on some models. Refer to the label
OPENINGS O
OF CLOSET TOP VIEW I" HIN.
FRONT VIEW
I I
AWARNING AWARNING
Propellants of aerosol sprays and volatile com- A gas water heater cannot operate properly with-
pounds, (cleaners, chlorine based chemicals, refrig-
erants, etc.) in addition to being highly flammable not install in a confined area such a closet, unless
n many cases, will also change to corrosive you provide air as shown in the "Locating The New
lydrochloric acid when exposed to the combustion Water Heater" section. Never obstruct the flow of
:)roducts of the water heater. The results can be ventilation air, If you have any doubts or questions
_azardous, and also cause _roduct failure, at all, call your gas company. Failure to provide the
The location selection must provide adequate clearances for
servicing and proper operation of the water heater.
out the correct amount of air for combustion. Do
proper amount of combustion air can result in a fire
or explosion and can cause DEATH, SERIOUS BODI-
LYINJURY, OR PROPERTY DAMAGE.
10
Instructions for Installation (cont'd)
Locating the New Water Combustion Air and Ventilation
Heater (cont'd) for Appliances Located in
Unconfined Spaces
&WARNING Unconfined Space is a space whose volume is not less than
If this water heater will be used in beauty shops, 50 cubic feet per 1,000 Btu per hour of the aggregate input
barber shops, cleaning establishments, or self-serv- rating of all appliances installed in that space. Rooms com
ice laundries with dry cleaning equipment, it is mnnicating directly with the space in which the appliances are
imperative that the water heater or water heaters installed, through openings not furnished with doors, are con-
be installed so that combustion and ventilation air
be taken from outside these areas. Refer to the sidered a part of the unconfined space
"Locating The New Water Heater" section of this In unconfined spaces in buildings, infiltration may be ade-
manual and also the latest edition of the National quate to provide air for combustion, ventilation and dilution
Fuel Gas Code, ANSI Z223.1, also referred to as NFPA
54 for specifics provided concerning air required, of flue gases. However, in buildings of tight construction (for
&WARNING Appliances Located in Confined Spaces, b.
INSTALLATIONS IN AREAS WHERE FLAMMABLE LIQ-]
UIDS(VAPORS)ARE LIKELYTO BE PRESENTOR STORED[
(GARAGES, STORAGE, AND UTILITY AREAS, ETC): I Combustion Air and Ventilation
Flammable liquids (such as gasoline, solvents, propane I
(LP) or butane, etc.), all of which emit flammable I /ppllances
vapors, may be improperly stored or used in such
areas. The gas water heater pilot light or main burner =paces
can ignite such vapors. The resulting flashback and fire Confined Space is a space whose volume is less than 50 cubic
can cause death or serious burns to anyone in the
area, as well as property damage, feet per 1,000 Btu per hour of the aggregate input rating of all
If installation in such areas is your only option, then appliances installed in that space.
the installation must be accomplished in a way that a. ALL AIR FROM INSIDE BUILDINGS:
the pilot flame and main burner flame are elevated
from the floor at least 18 inches. While this may (See Page 10 Figure 1, and Figure 2 below)
reduce the chances of flammable vapors from a floor The confined space shall be provided with two permanent
spill being ignited, gasoline and other flammable sub- openings communicating directly with an additional
stances should never be stored or used in the same
room or area containing a gas water heater or other room(s) of sufficient volume so that the combined volume
open flame or sparkproducing appliance, of all spaces meets the criteria for an unconfined space. The
NOTE: Flammable vapors may be drawn by air currents total input of an gas utilization equipment installed in the
from other areas of the structure to the appliance, combined space shall be considered in making this deter-
example weather stripping heavily insulated, caulked, vapor
barrier, etc.), additional air may need to be provided using the
methods described in Combustion Air and Ventilation for
A__ __ I-i
for
Located in
Confined
mination. Each opening shall have a minimum free area of
one square inch per 1,000 BTU per hour of the total input
rating of all gas utilization equipment in the confined
space, but not less than 100 square inches. One opening
shall commence within 12 inches of the top and one com-
mencing within 12 inches of the bottom of the enclosure.
11
[ Figure 2 ]
-,,4_ CHIMNEY OR GAS VENT
FUR OPENINQ8
W/_TER
R
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