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HWM-407CH-IOM (09/13)
Page 11
Figure 6. Typical HWM Primary Circuit Plumbing
B. Antifreeze Protection
When the
HWM hydronic water module
is applied to radiant panel hydronic heating and
chilled water cooling systems, the water circulating system must be protected from potential
damage due to freeze-up by utilizing an adequate antifreeze solution. The antifreeze
protection is provided by the installer prior to the EarthLinked
®
system start-up.