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RECOVERY/EVACUATION PROCEDURES
1. Place the ICE/OFF/CLEAN toggle switch in the
OFF position and disconnect all power to the ice
machine and condensing unit.
2. Install manifold gauges, charging scale, and
recovery unit or two-stage vacuum pump.
3. Open the receiver service valve halfway.
4. Open high and low side on the manifold gauge set.
5. Perform recovery or evacuation:
A. Recovery: Operate the recovery unit as directed
by the manufacturer’s instructions.
B. Evacuation prior to recharging: Evacuate to
250
microns. Then allow the pump to run for an
additional hour. Turn off the pump and perform a
standing vacuum leak check.
6. Refer to Charging Procedures.
The receiver service valve (located in the ice
machine head section) must be accessed during
refrigerant recovery to allow complete removal of the
refrigerant charge.
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