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WARNING: Plumber – Be Aware
The insulated copper pipe work:
should be fixed at suitable locations to prevent or reduce the
possibility of noise from water hammer and vibration from occurring
is not to be placed or installed in contact with plastic pipe work.
Likewise, plastic pipe work is not to be placed or installed in contact
with the insulated copper pipe work after the solar circuit is installed.
Direct Open Circuit System: The highest point of the solar cold pipe and
solar hot pipe must be where they connect to the solar collectors, to
avoid the possibility of air locks occurring in the system. There MUST BE
a continuous fall in the pipe work between the solar collectors and solar
storage tank. Horizontal runs of pipe work are acceptable and may be
installed.
Plastic pipe MUST NOT be used, as it will not withstand the temperature
of the water generated by the solar collectors under stagnation
conditions. The solar collectors can generate extremely high water
temperatures of up to 150°C. Plastic pipe cannot withstand these
temperatures and MUST NOT be used. Failure of plastic pipe can lead to
the release of high temperature water and cause severe water damage
and flooding.
The pressure applied to the solar circuit and solar collectors during a
pressure test of a direct open circuit system MUST NOT exceed
1000 kPa, otherwise damage may result to the solar collectors.
Refer to
"Pressure Testing"
Upon completion of the installation of the solar collectors with conetite
fittings, the packaging material may be removed whether or not the solar
circuit is connected to the solar storage tank and / or the solar water
heater is commissioned, without damage to the solar collectors.
SOLAR COLLECTOR LOCATION
on page 15.
13
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