26
CONNECTIONS – ELECTRICAL
The power supply to the water heater must not be switched on until the water heater is filled with
water
and a satisfactory megger reading is obtained.
All electrical work and permanent wiring must be carried out by a qualified person and in accordance with the
Wiring Rules AS/NZS 3000 and all local codes and regulatory authority requirements.
The water heater is supplied with a 1.8 metre lead and plug and requires a weatherproof 240 V 50 Hz 10A
general purpose outlet (GPO) to be located within 1.2 metres of the installation. The GPO must be earthed
and should be protected by an RCD (residual current device). In addition, the GPO must be clear of the flue
exhaust, draining water, gas supply pipe and water connections.
Warning:
Temperature controllers
must not
be fitted to this water heater (874 series) because water at a
temperature much higher than the controller setting can be delivered.
The power consumption of the water heater is:
Component
Power
consumption
Comments
Gas water heater
80 Watts
Burner on, anti frost device inactive
Gas water heater and Water
Star water saving device
675 Watts
Burner on, anti frost device and electrical element active
The water heater will only operate on a sine wave at 50 Hz. Devices generating a square wave cannot be
used to supply power to the water heater.
THERMOSTAT SETTING
The thermostat for the copper cylinder has a fixed setting at 70°C. This cannot be adjusted.
Refer also to the
“Wiring Diagram”
on page 27.
