
196 Part Number 80-1230-9 10/10
Recovery/Evacuation Procedures
1. Place the toggle switch in the OFF position.
2. Install manifold gauges, scale, and recovery unit
or two-stage vacuum pump.
3. Perform recovery or evacuation:
A. Recovery: Operate the recovery unit as
directed by the manufacturer’s instructions.
B. Evacuation prior to recharging: Pull the
system down to 250 microns. Then allow the
pump to run for an additional half hour. Turn
off the pump and perform a standing vacuum
leak check.
NOTE: Check for leaks using a halide or electronic
leak detector after charging the ice machine.
4. Follow the Charging Procedures on the next
page.
RECOVERY/EVACUATION CONNECTIONS
OPEN
OPEN
VACUUM PUMP/
RECOVERY UNIT
CLOSED
SCALE
REFRIGERANT
CYLINDER
OPEN
LOW SIDE
ACCESS
VALVE
HIGH SIDE
ACCESS
VALVE
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