Temperature-Pressure Relief Valve - Maytag Performa HJ630NORT User Manual

Instructions for Installation (cont'd)
Temperature-Pressure Relief Valve
_WARNING _,WARNING I
At thetime of manufacture t hiswater heaterwas provid- The temperature-pressure relief valve must be manu-
ed with a combination temperature-pressures reliefvalve ally operated at least oncea year, Cautionshould be
certifiedby a nationally recoclnized t estinglaboratory that taken to ensure that (1) no one is in front of or
maintains periodic inspectionof productionof listed around the outlet of the temperature-pressurerelief
equipmentor materials, a s meetingthe requirements f or valve dischargeline, and (2) the water manually dis- I
ReliefValvesand AutomaticGasShutoff Devices for Hot
charged will not causeany bodily injury or property
Water SupplySystems, a nd the currentedition of ANSI damage becausethe water may be extremely hot.
Z21.22and the coderequirements of ASME.If replaced, If after manuallyoperating the valve, it fails to corn-
the valvemustmeetthe requirements o f local c odes,but pletely reset and continuesto releasewater, immedi-
not lessthan a combination temperatureand pressure ately closethe cold water inlet to the water heater,
relief valve certified as meetingthe requirementsfor follow the draining instructions, and replace the
ReliefValvesand AutomaticGasShutoffDevices for Hot temperature-pressure relief valve with a new one.
WaterSupply Systems, ANSIZ21.22by a nationallyrecog-
nizedtestinglaboratory that maintains periodic inspection
of production of listedequipment o rmaterials.
The valvemustbe markedwith a maximum set pressure SHUTOFF
not to exceed the markedhydrostatic w orkingpressure o f VALVE
the water heater(150Ibs./sq. i n.) anda discharge c apacity _-'_'_ _l-_
not less thanthe water heaterinputrateasshownon the
model rating plate. (Electricheaters- watts dividedby _ F-_]11_ _C:_
1000x 3415equalBTU/Hr. r ate.) HOT COLD
Your local jurisdictional authority, while mandating the
use of a temperature-pressure relief valve complying with
ANSIZ21.22and ASME,may requirea valvemodeldiffer- ,f ,"x
ent fromthe onefurnished with thewaterheater. [ ,
Compliance with such localrequirements m ustbe satisfied
by the installeror end userof the water heaterwith a _
locally prescribedtemperature-pressure relief valve |
installed in the designated openingin the water heaterin
placeof the factory furnished va{ve.
Forsafeoperationof the water heater,the relief valve _ TEMPERATURE-
I rl\ PRESSURE
plugged.mustn°tberem°ved from it's designatedopening or II1"_
RELIEF VALVE
The temperature-pressure relief valve must be installed
directly into the fitting of the water heater designated for DISCHARGE PIPE
cap
the reliefvalve.Position the valvedownwardand provide ,or plug)
tubingsothat anydischarge will exitonlywithin6 inches r_l
above,or at any distancebelow the structural f loor.Be
certain that no contactis madewith any live electrical
part. The dischargeopening must not be blocked or
reduced in sizeunderanycircumstances. Excessive length,
over30 feet, or useof morethan four elbowscancause
restriction and reduce the discharge c apacity of thevalve.
No valveor otherobstruction isto be placed betweenthe
reliefvalveandthe tank. Donotconnect tubingdirectly to
discharge drainunless a 6" air gap isprovided. T oprevent
bodilyinjury,hazardto life,or propertydamage, t he relief
valve mustbe allowed to discharge water in quantities
shouldcircumstances demand.If the discharge pipeisnot FLOOR D RAIN
connected to a drainor othersuitablemeans,the water
Y_
flow maycause property damage.
TheDischarge P ipe: RELIEF VALVE OPENING
• Mustnotbe smaller in sizethanthe outletpipesizeof
the valve, or have any reducing couplings or other At thetime of manufacture, thiswaterheater w as provided witha combination
temperature-pressure reliefvalve listed ascomplying withthestandard f orrelief
restrictions,
valves and automatic gas shut-off devices for hot water supply systems, ANSI
Must not be plugged or blocked.
Z21.22. For safe operation of the water heater, the relief valve must not be
: Mustbe of materiallisted for hot waterdistribution.
removed from its designated point of installation or plugged,
• Must be installedso asto allow complete drainageof Your local urisdictional
authority, whilemandating
t heuse ofatemperature-
pressure relief v alve complying w ithANSI Z21.22 a ndASME, mayrequire avalve
both the temperature-pressure relief valve, and the dis-
model different from the one furnished with the water heate_
charge pipe.
Compliance with such 10cal requirements must be satisfied by the installer or
• Must terminate at an
adequate drain,
end user of the water heater with a locally prescribed temperature-pressure
• Must not have any valve between the relief valve and relief valve installed i nthedesignated opening i nthewaterheater.
See manual heading J'Temperature-Pressure Relief Valves" for installation and
tank.
maintenance of relief valve, discharge line, and other safety precautions.
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