2-7
Preinstallation Requirements
• Approximately 3 m (10 ft) of finned copper tubing (
3
/
8
-in. ID
recommended) must be added to the air supply line (see
Figure 2-3) to allow the air to cool to cold-room temperature.
• The operating temperature of the instrument will be a few degrees
higher than the cold-room temperature; the rotor will typically be
operating at approximately 8 to 10°C.
Figure 2-3. Cold Room Set-up
Compressor or
Laboratory Air Supply
Compressor Capacity
3.5 to 4 cfm at 47
psig (330 kPa)
Regulator
Airfuge Ultracentrifuge
3 m (10 ft) of
3
/8 in. ID finned
copper tubing
0.6 m
(2 ft)
or less
Water Removal Filter
(Norgren F11-200A3T)
Pressure
Gauge
Oil Removal
Filter
(Norgren Part
No. 339620)
COLD ROOM
