Solahart Streamline Owner's Manual page 33

INSTALLATION – SOLAR COLLECTORS
Pressure Testing
The solar water heater, including the collector circuit and solar collectors, is to be isolated during the testing
and commissioning of the heated water reticulation system in a building, in accordance with Clause 11.1
and 11.3 (a) of AS/NZS 3500.4.
It may be necessary to pressure test the collector circuit to comply with codes and regulatory authority
requirements or on other occasions where the solar collectors and solar cold and solar hot pipe work are
installed prior to the solar storage tank, such as on a building site.
Indirect Closed Collector Circuit
Warning: The pressure applied to the solar circuit and solar collectors during a pressure test of an
indirect closed circuit system MUST NOT exceed 200 kPa, otherwise damage may result to the solar
collectors. The solar circuit and solar collectors are to be isolated from the solar storage tank for the duration
of the pressure test.
J and KF Solar Collector Installations
If water is used as the pressure testing medium and if the collector circuit is not to be connected to the solar
storage tank and the system commissioned on the same day, then any excess moisture needs to be blown
out and the collector circuit and solar collectors dried using dry compressed air.
It is necessary to cap off the ends of the solar cold and solar hot pipes if they are not connected to the solar
storage tank at the time of installation and at the time of testing the solar circuit.
Indirect Closed System
If the solar collectors, solar pipe work and solar storage tank are installed and commissioned together, then
the flooding of the collector circuit with closed circuit fluid for an indirect closed circuit system or water under
mains pressure for a direct open circuit system and checking for the pipe work for leaks during the
commissioning procedure can be substituted for the pressure testing of the collector circuit.
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