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 2.0
0PERATlON
What You Will Find in This Chapter:
This chapter contains information on the configuration and operation of the most
common types of solar heating systems. The purpose and operation of individual
components is described.
In the rest of the manual, active solar heating systems are referred to as "solar
systems" for convenience.
2.1 BASIC SYSTEM CONFIGURATION
2.1.1 Definition of Loops. Frequent reference is made to different piping
"loops." As an example, the collector loop is the piping system that connects single
or multiple solar collectors to the remainder of the solar heating system.
Generally a piping loop involves a flow of fluid caused by a pump or water pressure.
Most loops eventually bring the fluid back to its starting point, although some allow
fluid to enter and exit the loop at various points (Figure 2-l).
PIPING
FIGURE 2-l
A Piping Loop
CIRCULATING
PUMP
OPERATION
2.1 BASIC SYSTEM CONFIGURATION
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