Operation; Safety Precautions - Panasonic 37406 Use & Care Manual

Operation
SAFETY P RECAUTIONS
A. Do turnoff pm,_er t o water heater ff it has been subjected to over
heating, f ire,floodor ph_ica!damage.
orMAINTENANCE i nntruc'dons, t is recommer]ded thata qualdied
person o_servmeman perform thework.
B. DONut turncnwaterpeats_uniessflisfirledwithwatsr,
O. DONot turnon waterheater if cold wai_r supply shut-offvalve is
closed
D. DONot storeor usegasolineor etherflammablevaporsand liquids,
such &s edpesivesor beint thinner, in vioiady of thisor any other
for_nfliaflon.
NOTE: Flammable vapors may be drawn by air currentofrom
surrounding areasto thewater heater.
E. II the_eis any _iculty inun_n_i_ or _tet_'r,tj the OPeRATiON
_CAUT[_
Hydrogen g ascenbeproduced ina hotwater system servedbythis
water heater that has not been usedfor a long periodof time
(generally two weeksor more). HYDROGEN GAgIS EXTRE_IELY
FLAMMABLE!! TOdissipate s ucllgasendto reduce riskof iejury_ it is
recommended that the hot water faucet be openedfor several
minutes at the kitchen sinkbeforeusingany electrical appliance
connected t o thehot watersystem. If hydrogen ispresent, the_ Wgl
probably b ean unusual sound suchasairescaping t hrough thepipe
asthewater begins totk_v.DO not smoke or useanopen flamenear
thefaacatatthetimeit isopen,
1. WATERTEI_PERATURE SETTING-- TPe empemture _f the watern
_e waterhealercanbe regulated by se_ngthe temperature dial al the
_di_alab_ $_d_ce mouatet_ the_mos_at_s) _te_ behindthe j%k_t
accesspanel(s). D ualeJement heatershavetwo thermo6fath, To comply
wflhsafetyregulations the thetmostth(s) a re'actsrysetat 120° F or less
wherelocal c odesrequire.
Thermostat Din=
Poirder
J
Figure 4. -- Thermostat and Protective Cover.
Safetyand energy Conser_glonare factors Io be considere_when
selecting the wafe_ temperature setting oi the water hae, t or's
themlostat(s). _e lowerthetemperature setdng tile greaterthesavings
in energyandoperating costs
Thereis a DotWaterSCALDPotential g the_ermoata_ Is settoo high,
NOTE:Households w bhsmallchildren orinvaflds may requPe a 120:F.
or lowerthermostat s etting to preventcontact w ith"HOT _ water,
TIME / TEMPERATURE RELATIONSHIPS IN SCALDS
Tanoerature Timets Produce S erious Burn
!20_F Morethan5 minutes
125 _F. 11_to2 rmnuies
130' F About30seconds
135 _R Aboutt0 Seconds
140" F Le_sthan e seconds
14_ _F Lessthan3 seconds
150"F RbcuHl_ soconot
155' F Aboul1second
Tat_e omdm_ ol SHhem5_mt_/tet_
Bake certain power to water heater is OFFbefore removingjacket
access F_et_s) FO_ A_'/REASON.
If adjustmentis necessary,t_Knoff be'_:erto water heater, remove
jacket access panel(s) and insulation expomngthermostat(s). Tl'e
thermostat protective cover(s) sboutd not be removed, gel
thermostat(s) dial pointer(s), with a smafl screwdriver, to desirea
temperature (Refer to Rg 4) Replaceinsuladonand jacket access
I:ene!(s). T urn onpowertowalerheater.
2, SAFETY CONTROLS -- The water heater is equipped with a
comblnaflon Thermostat a _dTemperature Limifl_lg Control(ECO)thatis
locatedabovethehealtegelementin contac_ ,._,it fl _e tanksudace.If for
any reasonthe water temperature becomes excessively high=the
TemperatureLimffingCont_or(ECO) breaksthe power circuit to the
heatingelement. O ncethe control o pens,_tmustbe reset manually.
CAUTmON r
Tbecauseof the HighTemperatere Ccnditic_mustbe investigated by
qualified_rviee personnel a ndcorrectiveactiontakenbeforepl_ntng
the water_eaterJ_serviceagain,
Toreset Temgemthre Limiting _c_roP, t urn off I_ower to wathrheater,
removejacket access panel(s] and insulation. The thermostot