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User Manual - Page 19

For EHFA400T36.

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Rinnai 19 HotoElectricStorageWaterHeaterOIM
WARNING
Commissioning activities MUST BEcarriedoutbyanauthorisedperson.
DO NOTswitchontheelectricpowersupplyuntilthewaterheaterislledcompletelywithwater.
TO FILL & TURN ‘ON’ THE WATER HEATER
1. Openallhotwatertapsinthebuilding,includingtheshower.
2. Openthecoldwaterisolationvalvetowaterheater.Airwillnowbeforcedoutofthetaps.
3. Closeeachtapwhenwaterrunsfreelywithoutairbubbles.
4. Checkallplumbingconnectionsandpipeworkforwaterleaks.
5. Connectthewaterheatertotheelectricitysupply,andturntheelectricpowersupply'ON'.
TO TURN ‘OFF’ THE WATER HEATER
Itmaybenecessarytoturno󰀨awaterheaterafterinstallationandcommissioning,forexampleduringbuilding
activitiesorifthepremisesarevacant.
1. Isolateorturn'OFF'thewaterheaterattheelectricitysupply.
2. Closethecoldwaterisolationvalveattheinlettothewaterheater.
COMMISSIONING
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