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9. Make sure that all refrigerant in the charging hose
is drawn into the ice machine before disconnecting
the manifold gauge set.
A. Drain the water from the sump trough.
B. Run the ice machine in the freeze cycle for 5
minutes.
C. Remove the high side hose with the quick
disconnect.
D. Open the high and low side valves on the
manifold gauge set. Any refrigerant in the
lines will be pulled into the low side of the
system.
E. Allow the suction pressure to reach 0 psig
while the ice machine is in the freeze cycle.
F. Remove the low side hose.