9 | P a g e
2.6 Piping Line Flush
NOTE: VALVES SHOWN
SUPPLIED BY OTHERS
1) Close valves on chiller. Remove
protective cap from purge valves supply
and return, and connect hose to each of
the ¾” GHT (garden hose thread)
connections.
NOTE: TYPICAL SETUP SHOWN
2) Open both supply and return purge
valves and flush system with city water
until water runs clear, continue to flush
for an additional 20 minutes.
NOTE: DO NOT OPEN
ISOLATION VALVES DURING
FLUSHING PROCESS.
Hose barbs supplied by others
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