Koolaire STH045 8/15 Technician's Handbook page 108

SELF-CONTAINED RECOVERY/EVACUATION
1. Cycle the toggle switch Off.
1. Install manifold gauge set and recovery unit or
two-stage vacuum pump.
2. 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.
108 Part Number STH045 8/15