Criterion 6.2.8 Deterioration of Fluids

Criterion text:
Except when allowed by the system design, fluids shall not freeze, give rise to excessive precipitation or otherwise lose their homogeneity, boil or develop excessive vapor pressure, change absorptivity, or change pH, viscosity or thermal properties beyond design ranges when exposed to their maximum and minimum service temperatures and pressures during their design life.

Comments:
Installer must follow the manufacturer's installation instructions regarding the heat transfer solution to use with a specific system. In addition, the installer must install the system per the manufacturer's SRCC approved design (Figure 1) using only those components specified in the installation manual.

The installer must be familiar with the freeze protection design and components of systems that use potable water as the heat transfer fluid.

The overall system design review will also ensure that the fluids specified meet the requirements of this criterion.

Figure 1

Use only those fluids specified for the particular system. (Figure 2)

Figure 2

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