Rinnai Australia 4 Solar Split Systems Operating / Installation Manual Version 9 - 21/11/12
IMPORTANT INFORMATION & WARNINGS
OPERATION PRINCIPLE
This system is designed to have the solar collectors on the roof and the storage cylinder installed at ground or floor
level. Electric and Gas boosted models are available. The system comprises a hot water storage cylinder, solar
collectors, pump circulation system solar control unit and temperature sensors. The solar control unit ensures
water circulates between the solar collectors and the storage cylinder to transfer heat from the solar collectors to
the water in the cylinder if enough heat is available from the sun.
Supplementary heating is provided if insufficient heat is available from the sun (such as during cloudy or rainy
weather or during winter months) either via an electric heating element(s) located inside the storage cylinder or via
an in-line Gas booster located external to the storage cylinder. The following diagrams illustrates the Split Solar
Hot Water System set up for both the Electric and Gas boost.
Figure 1. Glass Lined Gas Boosted Solar Hot Water Systems Figure 2. Glass Lined Electric Solar Hot Water Systems
Figure 3. Stainless Steel Gas Solar Hot Water Systems Figure 4. Stainless Steel Electric Solar Hot Water Systems
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