Emergency Instructions; Maintenance - Panasonic 37406 Use & Care Manual

Operation
pmtediivecovei'SHOULONOTberen_oved. (RoterleRg.&) Press
red"RESET" butier' Be#ace insulation _nd iaaket access panel(s)
beforeturning on powerto_,. a lerhealer.
3. EMERGENCY INSTRUCTIONS--
in order to drain water heater, turn off cold water supply, then it is
necessaryto opena hot ,,va_r faucat or lift the handleon the relief valve
le admit air to tl'e tank. A_aoh a garden hose to _ded_n valv_ on the
w_er heater and direct the streamof water to a drain where it will do no
damage¸
I_, WARNING
If waterheater hasbeensubjected t o Hood, f ire,or p_hyatcM damage,
turn off powerandwaferfo waferheater.DOnotoperate the water
heater a gainuntilit hasbeenthoroughly checked byqualifiedservice
personnel
The waterdrainedfromthe tank may be hotenoughto presenta
SCALD HAZARD andshould bedirected toa suitable d _Mn to prevent
iniury ordamage.
4. VACATIONAND LONGTIMESHUT-DOWt_ - - If the waterheaterisle
remain idlefor an extendedpe_edof time,the power and waterto the
waterheatershouldbe tumad oft to conserve e nergy,The waterheater
and pipingShould he drainad if they might be subjeatad to freezing
temperatures.
NOTE: Refer to "Hydrogen Gas Caution" in Safety Precautions
Sectiononpage6.
After a very long shut-downperiod, the water heater'soperationand
coakalsshouldbe checkedby qualifiedservicepersonnel. M akecertain
thewaterheateris completely filledbeforeagainplacngit inaderafien
5. DRAINING HEATER --
in, CAUT,O.1
6. ANODE-- Thiswaterbeateris aduipgadwithat, anodenoddealgned to
prolongthe life of the glass linedtank The anodeis slo_ly consumed
cathadicaky, thereby aliminutalg or minimizing corrosion oftheglasslined
tank,
Wafersometimescontainsa high sulfateaadfer mineralcontent and
togetherwith tbe cathodicprotection processcan producea hydrogen
sulfideor _ctleneggodorin the heatedwater Chlorination of the water
suppry shouldminimizethe problem
NOTE:Do not removethe anoderodfrom the waterheater'stank,
exceptfor inspectionand/or replacement, a s permanentremoval
will shortenthe life of the glass lined tank and effect the wafer
heuterwarmnfy,
Shut off powerto waterheaterbeforedraining water.
Maintenance
Properlymaintained,your water heaterwill provideyearsof dependable
traubledreeso,aloe.It is suggestedthaia realineprevenPve maintenance
programbe established andtelbwad by _deuser.ri is furtherrecommended
Ihata perrodic inspection of theoperating centrals, h earing elementandwhine
shouldbe madebys_rvicepelsonnal q ualrified i nelectr_appliance radalr
1. ROUTINE PREVENTATIVE M AINTENANCE
A= Most elecMcalappliancesmakesomesound when in operation,even
whennew.If the hiss=ng o rsingingsoundlevelincreases excesslvey, t he
alentricbeatingelementmay require cleaning Contactyour installeror
plumbing contracter toinspect.
D. Thearea_artbewalerhea_rmulebekadtfreeofriammableliquidssuoh
asgasoline or pair,: t hinne_,adhesives o r other¢emhusribN materials.
C. At leastoncea yea_liftand releasethe leverhandleon _e terrperaf_re
pressurere!iefvalve locatednearthetop of thewat6t heater,to make
certainthevalveo_erates frealpandallowseveral _ llens to flush through
discharge line Makeceriainthe discharged water_ dhecledto an open
drain.
Beforemanually operating the reliefvaJve, makecertainno one will be
exposedto _e danger o f cornleg in co, tarewi_ lhehotwaterreleased by
thisvMve. T he watermay be hotenoughto createa SCALDhazard. T he
waterreleased shouldbedirected to a suitable drainto prevent i njury or
derange.
NOTE:ffthe temperature and pressure reliefvalveon the waterheater
dischargesperiodically, t his may be due to thermal expansionin a
"Closed" watersystem.Contactthe water supplferor yourplumbing
contractor o n hewto correct this. DONOTplug theratiefverve outlet.
D. A water haatekstank can act as a setfihg basiadersalals _spendad in the
water¸It is,idefofore, not uncommonfor hardwater deada_ to ac_mulale
in the bottom M the tank. It is suggested Ehata Mw quarts of water be
drained fromthewaterhealer'_leak every month Io cleanthe tankol these
ded_ite.
E. Re.pal a laalngof tauceteor solenoid valves[n automaadwaterusing
apptences caneaueea pounding "waterha_mar"sound.'Waferhamme¢'
can be described as a bangingnoke heardin a waterpipefallo/Hng an
abru F alteraben of thePewwi_ resu[beg pressuresurges.Strategically
located risers in the waterpipe systemcan be usedto minimizethe
problem Also _.¢ater hammer a rre_gng dealcesare usuariy available from
yc_rplumber o r 1o_1 phmMngsupplystore.
2 ANODEROD INSPECTION --T_eanoderod shouldbe removed from
thewaterheatePs tank annually for inspection and rap!need when more
than6" ofcorewireis exposedat eitherendofthe rod.Referto Fig.2 for
anoderod lecadenMakecertaincold watersuppryis turnedoff before
removing anoderod