of a solution. A TDS meter is available from Hypertherm (Hypertherm
Waterjet part number 1-13897).
Plumbing and hose requirements for shield water
■
You can use flexible hoses that are designed to carry water.
■
For the best results, use the recommended torque specifications for plumbing and hose fittings.
■
You can use rigid copper pipes.
■
Do not use steel or aluminum pipes.
Install the plumbing and hoses consistent with all national and local codes. After installation, pressurize the
entire system and test it for leaks.
To decrease the risk of leaks in the cutting system, make sure to tighten all connections to the
recommended torque specifications in Torque specifications for gas or water plumbing and hose
connections on page 57.
Hoses are available from Hypertherm. Refer to Water (optional shield
fluid) hoses (blue) on page 434.
Additional regulator requirement for shield water when pressure
is high
Water pressure regulators are built into the VWI and OptiMix gas connect consoles.
Additional water pressure regulators are necessary only when the shield-water pressure is more than 7.92
bar (115 psi).
Remove shield water from the gas connect console
If your plasma cutting system uses shield water and is stored in ambient temperatures at or below 0ºC
(32ºF), Hypertherm recommends that you use these steps to remove shield water. These steps are for
cutting systems that have a VWI or OptiMix gas connect consoles.
1. Remove the shield water supply line to the gas connect console.
2. Access a source of compressed air that is clean and dry.
3. Use a regulator to adjust the compressed air to 5.52 bar (80 psi).
4. Connect the compressed air hose to the water inlet on the gas connect console.
The air hose needs to adapt to a JIC 6 male fitting on the gas
connect console.
Qualifications and Requirements
2
56
811530 Instruction Manual XPR460
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