Manitowoc S Model Installation Manual page 44

S model quietqube ice machines with cvd technology

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Pressure Test & Evacuate

Leave the line set shut off valves closed (front seated).

Pressure test the line sets and CVD condensing unit with

150 psig of dry nitrogen. Add nitrogen at the line set shut off

valves located at the back of the ice machine. Complete the

pressure test, verify no leaks are present and remove the

nitrogen from the system before connecting the vacuum

pump. Connect a vacuum pump to both of the line set shut

off valves located at the back of the ice machine head

section. Evacuate to 500 microns (or less). To completely

evacuate the CVD condensing unit, continue the

evacuation for 30 minutes after reaching the 500 micron

point.

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