2. After installation is complete, fully pressurize the system, and look for gas leaks.
Your system installer or a licensed plumber can do this for you.
Connect the supply gases and shield water to VWI or OptiMix
Make sure that the supply gas lines are correctly connected to the VWI or OptiMix gas connect console.
Connect the shield water if you are using it.
If you have a Core or CorePlus gas connect console, refer to Connect supply gases to Core or CorePlus
on page 132.
Before you begin:
■
Make sure that you have the correct supply gas hoses before you connect them.
■
Hypertherm recommends a minimum internal diameter of 10 mm (0.375 inch) for supply-gas hoses that
are 76 m (250 feet) or less.
Table 21 - Recommended dimensions for gas fittings
Fitting type Dimensions
N
2
/ Ar 5/8 inch – 18, RH internal (inert gas) "B"
Air 9/16 inch – 18, JIC #6
F5 / H
2
9/16 inch – 18, LH (fuel gas) "B"
O
2
9/16 inch – 18, RH (oxygen)
1. Tighten all gas hose fittings to the correct torque specifications.
Refer to Supply gas installation on page 127.
Installation
3
134
811530 Instruction Manual XPR460