Specifications
5-9
Low-Pressure Aeroquip
The low-pressure helium flex line (not shown) fastens to the low-pressure Aeroquip that
returns helium gas from the cold head to the compressor package.
Low-Pressure Gauge
The low pressure gauge displays the pressure of the helium gas that is being returned to
the compressor package. When the compressor package is off and the complete system
is at room temperature, the gauge should read the pressure specified in Appendix A.
High-Pressure Aeroquip
The high-pressure helium flex line (not shown) attaches to the high-pressure Aeroquip
that supplies compressed helium gas from the compressor package to the cold head.
High-Pressure Gauge
The high-pressure gauge displays the pressure of the compressed helium gas that is
transported from the compressor package. When the compressor package is off and the
complete system is at room temperature, the gauge should read the pressure specified in
Appendix A.
Control Panel
The control panel houses the compressor controls and system display.
Cold Head Motor Connector
The cold head motor cord attaches to the cold head motor connector to provide power
from the compressor package to the cold head motor or remote motor assembly.
Main Circuit Breaker
The main circuit breaker provides over-current protection for the cryorefrigerator and also
functions as a main power disconnect.
Service Valve
The service valve is the valve used to regulate the amount of helium being added to or
released from the system.
Service Access
The service access is used in conjunction with the service valve for adding helium to or
releasing helium from the system.
Cooling Water Inlet Connection
The cooling water inlet connection provides water to the compressor package from your
facility to cool the compressor package during operation. The connector thread size is a
3/8 FPT (3/8” Female National Pipe Thread).
The water must meet the specifications provided in the Cooling Water Specifications
table in Section 5.
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