Manual

41
System Start-Up
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Maintain the water pH between 6.0 and 8.0. Check using
litmus paper or contact a water treatment company for a
chemical analysis.
If the pH does not meet this requirement, do not operate
the Cascade or leave the system filled until the condition
is corrected.
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For areas with unusually hard water (hardness above 7
grains) consult a water treatment company.
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Do not use the Cascade to heat a swimming pool or spa
directly.
Maintain the chlorine level of the water at levels consid-
ered safe for drinking.
WARNING
NOTICE
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The installer must flush the system to remove any sedi-
ment to allow proper operation.
Flush the systems until the water runs clean and is free
of sediment.
For zoned systems, each zone should be flushed through
a purge valve. Purge valves and isolation valves should
be installed on each zone to allow proper flushing of the
system.
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Determine the antifreeze fluid quantity using the system
water content volume and following the antifreeze man-
ufacturer instructions.
Consult product specifications page 56 for the Cascade
water volume.
Check with local codes requirements for the installation
of backflow preventers or actual disconnection from the
boiler’s cold water fill or make up water supply line.
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Ensure the concentration of antifreeze to water does not
exceed a 50/50 ratio.
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WARNING
NOTICE
NOTICE