–21–
Step 3. When the line set requires shortening or
lengthening, do so before connecting the line set to
the ice machine head section or the CVD
®
Condensing
Unit.
Step 4. To prevent oxidation of the copper, purge line
set and condensing unit with dry nitrogen while
brazing. .
CONNECT THE LINE SET TO THE ICE MACHINE
HEAD SECTION
The line set shut-off valves at the back of the ice
machine must remain closed and be protected from
heat during the brazing process. Wrap the valves in a
wet rag or other type of heat sink prior to brazing. Cool
braze joint with water immediately after brazing to
prevent heat migration to the valve.
The ice machine head section contains refrigerant
charge. The ice machine head section contains
three (3) refrigeration valves that must remain
closed until proper installation of the line sets is
completed.
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