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INSTALLATION
26
Off-Peak or Time Controlled Electricity Supply
A single or twin element electric water heater connected to an Off-Peak
electricity supply should not be installed as part of a circulated hot water flow
and return system in a building. The benefits of the Off-Peak electricity supply
will be significantly reduced.
If a circulated flow and return system is required, it is necessary to bypass the
Off-Peak electric water heater and install a secondary water heater connected
to the hot water flow and return line and supplied from the Off-Peak electric
water heater. Refer to the diagram on page 26.
LEGEND
Circulated Hot Water Flow and Return System
Off-Peak Electric Water Heater
REDUCING HEAT LOSSES
The cold water line to and the hot water line from the water heater must be
insulated in accordance with the requirements of AS/NZS 3500.4. The
insulation must be weatherproof and UV resistant if exposed.
PUSH THROUGH (FREE OUTLET)
INSTALLATION
It can be advantageous to plumb
the water heater as a Push Through
water heater in some cases. These
installations can supply a single
point only and normally an 025,
045 or 050 model electric water
heater. The temperature pressure
relief valve supplied with this model
must be fitted to the water heater.
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