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Electrical supply and connections
The electrical connection must be carried out by a qualified person in accordance
with NZ Electrical Regulations. The water heater must have the heating element
connected to an independent, fused, AC 230 V 50 Hz power supply with an isolating
switch installed at the switch board. Disconnect all power prior to installation and
commissioning.
• The water heater must be filled with water prior to connection to the power supply
• Household wiring to the heater must be capable of withstanding the appliance load
• Fixed wiring must be protected from contact with the internal hot surface of the water
heater
Electrical access is via a hole in the element cover for mounting with an approved electrical
conduit gland. For entry to the element cover remove the two fixing screws.
Connect all Live, Neutral and Earth wires in accordance with the wiring diagram. 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.
The appliance is intended to be connected to cables of fixed wiring which has a cross-sectional
area of 1.5 mm
2
- 2.5 mm
2
.
Element
Thermostat
Terminal Block
A
N
Rinnai Smart Cylinders low-medium pressure indoor stainless steel: Owner and installer guide: 20432-A 01-15 | 17
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