Self-Contained Recovery/Evacuation - Manitowoc S300 Technician's Handbook

Self-Contained Recovery/Evacuation

1. Place the toggle switch in the OFF position.
2. Install manifold gauges, scale and recovery unit or
two-stage vacuum pump.
BACKSEATED
LOW SIDE
SERVICE
VALVE
CLOSED
3. Open (backseat) the high and low side ice
machine service valves if required, and open high
and low side on manifold gauges.
4. 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 500 microns. Then, allow the
pump to run for an additional half hour. Turn
off the pump and perform a standing vacuum
leak check.
5. Follow the Charging Procedures.
170
MANIFOLD SET
OPEN
RECOVERY/EVACUATION
CONNECTIONS
OPEN
BACKSEATED
Part Number 80-1479-3 7/10
HIGH SIDE
SERVICE
VALVE
VACUUM PUMP/
RECOVERY UNIT
OPEN