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 freezing temperatures, or during the summer months. If used only in summer, the
system is drained in the fall.
The heated water is usually for domestic hot water as described in Section 2.1.3.
2.6 BASIC CONFIGURATION OF INTEGRATED COLLECTOR-STORAGE
SYSTEM
Another system appropriate only for areas or seasons without freezing temperatures
is the integrated collector-storage system. These are sometimes called "ICS"
systems or "breadbox" solar water heaters.
The collector and storage are all in one unit. Typically, an uninsulated storage tank
is enclosed in a well-insulated box with one glazed side. (Figure 2-15)
The sun strikes and warms the tank and water. The heated water is usually used to
preheat domestic hot water as described in Section 2.1.3.
FIGURE 2-15
An ICS System
OPERATION
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2.6 ICS SYSTEMS
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