ONHW30NG60 User Manual

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Page32

Version1.0Aug2018

 Activatingthewaterheater:

o Disconnectthewaterheaterpowerplug. 

o TurnthegasservicevalveclockwisetotheOFFposition.Thisvalveislocatedontheoutsideofthe

waterheater.Waitfor5minutestoclearanygas.Ifgascan’tbesmelt,proceedtothenextstep.Ifa

gassmellcanbedetected,STOPandrefertoinstructionsonpage31.

o TurnthegasservicevalvecounterclockwisetotheONposition.

o Reconnectandturnonpowersupplytothewaterheater.Thewaterheaterburnerwill

automaticallylightupwhenthereisademandforhotwater. 



WaterTemperature(°C) 2ndDegreeBurn 

NoIrreversibleDamage



3rdDegreeBurn

FullThicknessInjury

45 2hours 3hours

47 20minutes 45minutes

48 15minutes 20minutes

50 8minutes 10minutes

55 17seconds 30seconds

60 3seconds 5seconds

Table3



SettingWaterTemperature

Maximum water delivery temperature occurs while the water heater burner is ON. To determine the water

temperature,turnonthewateroutletandplaceathermometertomeasurethewaterstream–seeFigure32.Note:

watertemperatureattheoutletmayvarydependingontheweatherandseasonandthelengthofpipefromthe

waterheater.



Figure31

Figure32

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User Manual - Page 33