Electrical Supply; Electrical Connections - Rinnai HOTFLO HFE25S18P Operation & Installation Manual

ELECTRICAL SUPPLY

Mustbeinstalled,maintainedandremovedbyauthorisedpersonsinaccordancewithAS/NZS
3000 and all other relevant local regulations and municipal building codes including OH&S
WARNING
requirements.
Ensureelectricwiringisinstalledproperly.Improperinstallationmaycausemalfunction,fire,or
electric shock.
Theunitmustbeearthedfollowinglocalelectricalcodes.
A water heater NOT fitted with a power cord and 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 effectively
isolate all active supply conductors from the circuit and means for disconnection must be incorporated in the fixed
wiring in accordance with the wiring rules�
Ensure the premises wiring to the system is capable of withstanding the system electrical load (refer to Specifications
- Table 1 for electrical load details)�
The power supply to a single element model can be Off-Peak (overnight), Extended Off-Peak (overnight and day),
or Continuous (day)�
The power supply to a twin element model should be Off-Peak (overnight) to bottom heating element and
Continuous to the top heating element�
Check the available tariffs with the local electricity supplier� The Off-Peak (overnight) is usually the most economical
for the customer�

Electrical Connections

ThewaterheaterMUST BEfilledwithwaterpriortoconnectiontothepowersupply.
WARNING
ElectricalconnectionMUST BEcarriedoutbyaqualifiedpersonandinaccordancewithAS/
NZS3000'WiringRules'andlocalauthorityrequirements
WARNING
Disconnect all power prior to installation and commissioning. This appliance is designed for
singlephase240Volts,ACmainselectricaloperation.
All electrical connections MUST BEmadebyanauthorisedpersonandmustcomplywithall
localelectricalsupplyregulationsandAS/NZS3000.
Thepremiseswiringtotheheatermustbecapableofwithstandingtheapplianceload.
NOTE
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 fixing 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 fixed to the earth post provided on the
heater case. Inspect and ensure that all wiring links are secure prior to fixing 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�
Rinnai 19 HOTFLO (HFE Series) Electric Storage Water Heater OIM
INSTALLATION