Ulvac C30HVRT - C30 Hvrt_Compressor Description; Introduction; Terminology; Cryocooler System Documents

Compressor Unit Instruction Manual
Section 1. C30HVRT_Compressor Description
1.1
Introduction ............................................................................................. 1-1
1.2 Terminology ............................................................................................. 1-1
1.3 Cryocooler system documents ............................................................... 1-1
1.4 Roles of compressor in cryocooler system ............................................. 1-1
1.5 Compressor specifications ...................................................................... 1-2
1.6 Component descriptions ......................................................................... 1-5
1.1 Introduction
C30HVRT is our compressor for cryocoolers.
NOTE: All personnel involved in installation, operation, adjustment, maintenance and
servicing must be familiar with the contents of both the C30HVRT compressor and related
components. To ensure safe, reliable system performance, read this manual as well as
other relevant manuals completely to gain a thorough understanding before beginning
work.
NOTE: When a same item is described in the “Delivery Specifications”, the content in the
“Delivery Specifications” should supersede this book.
1.2 Terminology
1) The term “Compressor” means compressor assembly. The helium compressor which is
a part of the assembly is sometimes called “compressor pump” to differentiate from the
assembly.
2) The cryocooler system does not start by itself but by the command from a customer’s
equipment or high-order system. Thus, the cryocooler system is one of the
components of a customer’s whole system.
Henceforth, an interface between the cryocooler system and a customer’s equipment
or high-order system is called “equipment-side” for short.
1.3 Cryocooler system documents
The cryocooler system documents basically consist of two manuals: the cryocooler
manual and the compressor manual. They are shipped with the purchased products.
Accessories for the system and manuals for optional devices are enclosed depending on
the product specifications that the customer orders.
1.4 Roles of compressor in cryocooler system
A cryocooler system is consists of a cryocooler and a compressor (hereinafter called “the
system”)
The Compressor provides high pressure helium gas for the cryocooler through helium
supply flexible hose. Cryocooler expands high pressure helium gas and provides cooling.
Lowered pressure helium gas returns to the compressor through the helium return flexible
hose. The compressor compresses the low pressure helium gas to turn it into high
pressure gas and supply it to the cryocooler again.
ULVAC CRYOGENICS INCORPORATED 1-1