Rinnai new Zealand Limited
Hotflo Electric Storage Water Heater
Operation and Installation: 11151-C 03-10
16
Installation: General information
Electrical supply and connections
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. Ensure the
incoming EaRTH wire is securely fixed to the earth post provided on the heater case. Inspect
and ensure all wiring links are secure prior to fixing the access cover and turning the power on.
To ensure the over-temperature and energy cutout is set press the ‘reset’ button on the
thermostat.
Single Element Wiring Diagram
Thermostat setting
The thermostat is adjustable from 60 °C to 75 °C. Turning the adjustment knob anticlockwise
decreases the temperature setting and turning it clockwise increases the temperature setting.
Rinnai advise that the thermostat is factory set at 65 °C. This temperature is sufficient for
most users.
The access cover to the element and thermostat must only be removed by an electrician or
other suitably qualified trades person.
The thermostat setting must only be adjusted by an electrician or other suitably qualified
tradesperson.
