Ulvac C30HVRT - Installation, Piping, and Wiring; Connecting Cooling Water Piping; Connecting and Disconnecting Helium Flexible Hoses

Section 4
Installation, Piping, and Wiring
4-2
ULVAC CRYOGENICS INCORPORATED
4.2 Connecting cooling water piping
Rc 3/8 female pipe threads are used for both cooling water inlet and outlet of the
compressor.
The connecting procedures using fitting and hose (tube) are shown below.
1. Apply plumbing pipe sealing tape properly to screw side of the fitting.
2. Connect the fittings to “WATER IN” and “WATER OUT” with a spanner.
3. Connect the hoses to the fittings and fix the hoses properly with hose clamps.
4. Supply water via the cooling water piping at specified flow rate and ensure that
there is no leakage.
To connect cooling water piping in any other way, follow the manual of the component.
4.3 Connecting and disconnecting helium flexible hoses
Following procedure must be undertaken by an authorized electrician familiar with the
structure and risk of the product. Failure to observe this warning may result in severe bodily
injury or fatal accident.
WARNING
Cooling water for this compressor must meet the requirements described in “Section
2-3 Cooling water requirements”. Failure to observe this warning may result in
damage to and/or break down of the equipments.
CAUTION
Do not over-torque the hose fittings. It may damage the cooling water inlet or outlet.
CAUTION
Follow the procedures below to connect and disconnect flexible hoses. Failure to
observe this warning may result in damage to the O-ring seals of the coupling and/or
leakage of helium gas.
CAUTION