INSTALLATION
Maintenance & care
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SOL 29 Premium |
11
The system must not be topped off with water. Consult the manual
or technical data sheet of the glycol mixture before using.
7.3.1 Freeze
limit
Glycol provided by Stiebel Eltron provides freeze protection to -30°F
(-34°C). Weather conditions beyond this point may damage the sys-
tem.
7.4 More
information
For more detailed instructions on how to fi ll, fl ush & charge the solar
loop, consult the pump station manual.
8. Maintenance & care
Specialists should carry out an annual inspection of the solar he-
ating system to ensure proper functioning of the system and its
components, including the control unit, safety equipment, and tank.
System components (fi ttings, thermal insulation, mounting hard-
ware, fasteners, etc.) exposed to the weather must also be checked
periodically for their condition. Look for signs of abrasion, wear,
corrosion, contamination, or damage. Check the pH value (> 7) and
frost protection level (< -20°F / -29°C) of the heat transfer medium
annually.
