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• absolute pressure manometer or wet-bulb vacuum indicator (Figure 25)
• 500 v insulation tester (megohmmeter) for compressor motors with nameplate volt-
age of 600 v or less, or a 5000-v insulation tester for compressor motor rated above
600 v
Using the Optional Storage Tank and Pumpout System
Refer to Pumpout and Refrigerant Transfer Procedures section for: pumpout system
preparation, refrigerant transfer, and machine evacuation.
Remove Shipping Packaging
Remove any packaging material from the control center, power panel, guide vane actuator,
motor cooling and oil reclaim solenoids, motor and bearing temperature sensor covers, and the
factory-mounted starter.
Open Oil Circuit Valves
Check that the oil filter isolation valves (Figure 4) are open by removing the valve cap and
checking the valve stem.
Torque All Gasketed Joints
Gaskets normally have relaxed by the time the machine arrives at the jobsite. Tighten all
gasketed joints to ensure a leak tight machine.
Click here for Figure 25 — Typical Wet-Bulb Type Vacuum Indicator