90 Part Number 000015432 4/18
Recovery/Evacuation Procedures
1. Place the toggle switch in the OFF position.
2. Install manifold gauge set, scale, and recovery unit or
two-stage vacuum pump.
OPEN OPEN
LOW SIDE
ACCESS
VALVE
HIGH SIDE
ACCESS
VALVE
REFRIGERANT
CYLINDER
VACUUM PUMP/
RECOVERY UNIT
SCALE
CLOSED
OPEN
SV3055
RECOVERY/EVACUATION CONNECTIONS
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 an electronic leak detector
after charging the ice machine.
4. Follow the Charging Procedures on the next page.
To Next Page
Loading...
