Installation Polycold Cryochiller
Evacuate the Refrigerant Line and Cryosurface Installation and Operation Manual
Brooks Automation
4-34 214072 Revision B
4. Turn on the vacuum pump and evacuate the refrigerant line and cryosurface to 13Pa (0.1 torr).
5. Allow the vacuum pump to continue pumping for at least 30 minutes.
NOTE: The vacuum pump should evacuate the refrigerant line and cryosurface to 13Pa (0.1 torr)
within 30 minutes.
If not, there may be a leak which must be corrected.
VLV12
Defrost Ckt 2
VLV6
Defrost Ckt 1
Figure 4-26: Warm Valve Assembly
Front
Of Unit
Rear
Of Unit
Figure 4-27: Coil Magnet on Solenoid Valve
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