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Rinnai 17 EHFA/EHFD HW IM
ELECTRICAL SUPPLY
WARNING
Mustbeinstalled,maintainedandremovedbyauthorisedpersonsinaccordancewithAS/NZS
3000 and all other relevant local regulations and municipal building codes including OH&S
requirements.
Ensureelectricwiringisinstalledproperly.Improperinstallationmaycausemalfunction,re,or
electric shock.
Theunitmustbeearthedfollowinglocalelectricalcodes.
A water heater NOT tted with a power cord & plug MUSThave the heating element connected to an independent,
fused, AC 240V 50 Hz power supply with an isolating switch installed at the switch board, which shall eectively
isolate all active supply conductors from the circuit and means for disconnection must be incorporated in the xed
wiring in accordance with the wiring rules�
Ensure the premises wiring to the system is capable of withstanding the system electrical load (refer to Specications
- Table 1 for electrical load details)�
The power supply to a single element model can be O‑Peak (overnight), Extended O‑Peak (overnight and day),
or Continuous (day)�
The power supply to a twin element model should be O‑Peak (overnight) to bottom heating element and
Continuous to the top heating element�
Check the available taris with the local electricity supplier. The O‑Peak (overnight) is usually the most economical
for the customer�
Electrical Connections
WARNING
ThewaterheaterMUST BElledwithwaterpriortoconnectiontothepowersupply.
WARNING
ElectricalconnectionMUST BEcarriedoutbyaqualiedpersonandinaccordancewithAS/NZS
3000'WiringRules'andlocalauthorityrequirements
Disconnect all power prior to installation and commissioning. This appliance is designed for
singlephase240Volts,ACmainselectricaloperation.
All electrical connections MUST BEmadebyanauthorisedpersonandmustcomplywithall
localelectricalsupplyregulationsandAS/NZS3000.
NOTE
Thepremiseswiringtotheheatermustbecapableofwithstandingtheapplianceload.
Electrical access is via a 20 mm hole beneath the element cover for mounting with an approved weatherproof
electrical conduit nipple. For entry to the element cover remove the two xing screws.
Connect all ACTIVE and NEUTRAL wires in accordance with the wiring diagram which is also included at the rear
of the element access cover. Ensure the incoming EARTH wire is securely xed to the earth post provided on the
heater case. Inspect and ensure that all wiring links are secure prior to xing the access cover and turning the
POWER ON�
To ensure the Over-temperature and Energy Cut-out is set, press the (red) 'reset' button on the Thermostat�
Isolate all
sources of supply
prior to servicing
INSTALLATION
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