ONHW30NG60 User Manual

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Page31

Version1.0Aug2018

TurnONtheHotWaterHeater

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Warning!

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Beforeoperatingthehotwaterheater,makesuretoreadandfollowthebelowinstructions,alllabelsonthewater

heater,andthe“ImportantNotes”containedinthisusermanual.

 ONSENhotwaterheatersdonothaveapilot.Thehotwaterheaterisequippedwithignitiondevicewhich

automaticallylightsuptheburner.Donottrytolighttheburnerbyhand.

 Beforeoperating,smellaroundtheappliancetodetermineifthereisagasleak.Besuretoalsonoteany

smellcomingfromgroundlevelbecausesomegasesareheavierthanairandwillsettleontheground.

 Ifyousmellgas,

o DoNOTtrytolightanyappliance.

o DoNOTtouchanyelectricalswitch.

o DoNOTuseaphonewithinthevicinityoftheheater.

o Atasafedistancefromtheheater,immediatelycallyourplumberorgassupplierforadvice.

o DoNOTreturntoyourhomeuntilbeingauthorisedtodosobytheplumberorgassupplier.

 DoNOTusethisapplianceiftheinternalshavebeenwetorsubmergedin water. Call a qualified service

techniciantoinspecttheappliancefordamage.

 Thetemperaturesettingandthedeliveredwatertemperaturecouldbedifferentduetotheheatdissipated

through pipes and / or seasonal change. It is sound practice tooccasionallymeasuretheactualoutput

watertemperature,particularlyinsystemswhereatemperaturecontrolvalveisinstalled.

 Reducewaterdeliveryflowiftheflowexceedsthewaterheaterspecificationtoavoidahotwatershortage.

 Increasewaterdeliveryflowifthetemperatureofthedeliveredwaterishigherthanthesettemperature

setting,thismightduetohigherwatersupplytemperature.

 ONSENhotwaterheaterwillstopworkingifthehotwaterdeliveryvolumeislowerthan2.5Lpm.

 Afteraninstallationoragascylinderchange,allowforafluctuationwithwaterdeliverytemperatureuntil

theairinthegaspipeispurged.

 Ifanywateroutletisturnedonbeforethehotwaterheaterispoweredon,thehotwaterheaterwillnot

functionanditwillbeinsafetyprotectionmode.Pleaseturnoffthewateroutletandpoweronthewater

heateragain.

 CLOSE mechanical service valve at gas line if the water heater is subjected to overheating fire, flood,

physicaldamage,orifthegassupplyfailstoshutoff.

 DoNOTturnonthewaterheaterunlesstheheaterhasuninterruptedwatersupply.

 DoNOTturnonthewaterheaterunlesstheheaterhasuninterruptedgassupply.

 Watertemperaturesabove50°Ccancausesevereburns;suchscaldingmayresultindeath–seeFigure31.

 SafetyMUSTbeconsideredwhilesettingthehotwaterdeliverytemperature.Table3showsthataperson

will receive a second degree burn in 3 seconds of exposure and a third degree burn in 5 seconds of

exposuretowaterof60°C.Amaximumtemperatureof50°Catthewateroutletwillensurethemostsafety

forusers.

 Children,disabledandelderlyareatmostriskofbeingscalded.

 Testdeliverywatertemperaturebeforeshoweringortakingbath.

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User Manual - Page 32