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4
ABOUT YOUR WATER HEATER
WATER HEATER APPLICATION
This water heater is designed for use in a single family domestic dwelling for
the purpose of heating potable water. Its use in an application other than this
may shorten its life.
MODEL TYPE
Aquamax
®
water heater models are available with either a single heating unit or
with twin heating units (refer to “Single Element Model” on page 7 and “Twin
Element Model” on page 7). The water heaters are suitable for either indoor or
outdoor installation, or indoor only if it is has a supply cord and plug.
Water is stored in a vitreous enamel lined steel cylinder and heated by the
electric immersion heating unit. The thermostat controls the temperature.
Automatic safety controls are fitted to the water heater to provide safe and
efficient operation.
The water heaters have connections on either side of the tank. Depending on
the model, it may have caps or brass plugs on one side of the tank. The plugs
and caps block off the alternative connection points and are not to be tampered
with or removed.
MAINS PRESSURE
The water heater is designed to operate at
mains pressure by connecting directly to
the mains water supply. If the mains supply
pressure in your area exceeds that shown
on page 22, a pressure limiting valve must
be fitted. The supply pressure should be
greater than 350 kPa for true mains
pressure operation to be achieved.
HOW HOT SHOULD THE WATER BE?
The water heater features an adjustable
thermostat, which allows you to choose the
most suitable temperature for your hot
water needs. Refer to “Temperature
Adjustment” on page 5.
To meet the requirements of the National
Plumbing Standard the temperature of the
stored water must not be below 60°C.
minimum thermostat
setting and minimum
recommended stored
water temperature.
top heating unit
thermostat setting on a
twin element model
(not adjustable)
maximum
recommended supply
temperature to
bathrooms and ensuites
maximum thermostat
setting
(080 to 400 models)
maximum thermostat
setting
(050 models)
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