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Manitowoc Ice CM MODEL STH003 User Manual

Page 72

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72

IMPORTANT

Manifold gauges must be removed properly to
ensure that no refrigerant contamination or loss
occurs. A quick disconnect is required for the
high side connection.


Recovery/Evacuation

1. Place the toggle switch in the OFF position.

2. Install manifold gauges, charging scale, and

recovery unit or two-stage vacuum pump.

3. Open the high and low side valves on manifold

gauges.

4. Perform recovery or evacuation:

A. Recovery: Operate the recovery unit as

directed by the manufacturer’s instructions.

B. Perform a nitrogen pressure test to verify

leaks are not present.

C. Evacuation prior to recharging: Pull the

system down to 500 microns.

NOTE: Check access fittings for leaks with an
electronic leak detector after charging the ice machine.