ABOUT YOUR WATER HEATER
7
BOOSTER CONTROL
An isolating switch is installed in the electrical meter box for the solar storage tank. This should be left
switched on to allow the booster heating unit to operate if required. The booster heating unit is for heating
the water at times of low solar energy gain, such as during very cloudy or rainy weather, or during the colder
months.
The booster heating unit will only activate if heating is required and power is available from the switchboard.
When the water is below the thermostat setting, the booster heating unit will turn on and heat the water. The
booster heating unit will automatically turn off when the temperature of the water reaches the thermostat
setting.
Leaving the isolating switch switched on will also provide a sufficient period of time each day for the booster
heating unit to operate, if required, to satisfy the requirements of AS 3498.
The amount of water heated by the raised booster heating unit of the solar Premier Hiline storage tank will be
150 litres (300 litre model), or 90 litres (180 litre model).
Timer Control Switch
A suitably rated timer control switch can be installed and will help maximise energy savings with an
electrically boosted solar water heater connected to a
continuous, time of use
or extended Off-Peak
(overnight and day)
electricity supply.
If used with an extended Off-Peak (overnight and day) electricity supply, the timer switch should:
be operated by a continuous power supply on its own circuit from the switchboard with the booster
heating unit operated by the Off-Peak power supply.
A double pole isolating switch is required to be installed at the switchboard to simultaneously isolate
both circuits.
or
be of a type which has an internal rechargeable battery to keep time when the power supply is not
available to the timer.
Programming the Timer
Power must be available to the timer control switch before the booster heating unit can be activated.
The timer should be programmed:
to suit the hot water consumption pattern of the household,
with the end of the period to coincide with the commencement of the evening hot water usage,
to enable a boosting period of not less than the recommended continuous length of time for boosting,
and
for a period when power will be available for the booster heating unit to operate.
It may be necessary to program a second period into the timer, such as prior to the morning hot water usage.
Note:
When daylight saving time applies, you may consider resetting the timer accordingly.
Содержание Premier Hiline
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