| Criterion
6.1.1.8 Vacuum-Induced Pressure Protection
Criterion
text:
All
components of the solar energy system shall be protected against
the maximum vacuum which could occur within the system.
Comments:
Installers should follow the manufacturer's SRCC approved
installation manual and install vacuum relief devices at the locations
specified in the approved system schematic.
Manufacturer's
can specify the use of a variety of vacuum breakers. Figure 1
illustrates a single purpose conventional vacuum breaker, while
Figure 2 shows a multi purpose vacuum breaker and air vent combination
unit.
Figure 1
Figure 2
It
is critical that the installer install the vacuum breaker in the
location specified in the system schematic.
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