Owner’s Manual – Dux Electric Boosted Solar
21
H3161 025248 Rev. D
How Does My System Work?
The main components of your solar
water heater are the water storage tank,
the collector(s), the solar module and
the electric booster.
The water storage tank is used to store
the heated water ready for household
use. It is a specic electric boosted
solar storage tank, incorporating a high
temperature vitreous enamel lining to
provide long life, and a high density
polyurethane insulation to ensure
minimal heat loss.
The collectors contain a multi tube
copper water way system bonded to a
solar absorber plate, the combination of
which collects solar energy and transfers
it to the uid within the collector circuit.
The absorber plate system is enclosed
in an insulated casing covered with a
high strength, low iron glass sheet that
protects the absorber system from
physical damage.
The electric booster is used to heat part
of the stored water on those occasions
when there is reduced solar energy
available, e.g. cloudy days. The electric
booster system is thermostatically
controlled so it only delivers the energy
required, then automatically turns off.
Under normal operating conditions,
most of the water within the storage
tank is heated by the collectors.
What Does The Circulation Pump Do
In The System?
The circulating pump draws cold water
from the cold inlet or the bottom of
the tank and circulates it through the
collectors. The water is heated in the
collectors by absorbing heat from the
sun and continues on its pumped
circulation path back to the middle of the
storage tank, ready for use.
The pump consumes only a very
small amount of electrical energy to
perform this task. The circulation pump
system has an integral ‘non-return
valve’ to prevent solar energy from
thermosiphoning back through the
storage tank to the collectors at night.
How Long Will The Heater Run
Each Day?
The length of time that the solar
heater will run each day will vary, and
is dependent upon the amount of hot
water being used by the household and
the availability of sunlight to heat the
collectors.
Owner’s Information
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