Hypertherm HT400 Air Injected Water Muffler System - Manual (Page 17)

INSTALLATION
Page 2-6 Air Injected Water Muffler System
Instruction Manual
2. Route the AIR OUT hose assembly (# 024022) from the air control box to the
nozzle assembly through the power track or festoon system. In no case should
the discharge hose be longer than 10 feet (3 m). See Figure 2-3.
3. Route the air supply hose assembly from the shop air supply to the AIR IN fitting
on the air control box. The shop air supply must be clean, dry and oil free. It is
mandatory that the air supply be oil free, especially when using oxygen as the
plasma gas. The air supply must meet the following pressures and flow rate:
• 80 -120 psi (5.5-8.3 bar) delivery pressure
• 20 scfm (566 l/m) minimum flow rate
4. Route the five-conductor cable from the air control box to the receptacle on the
rear of the power supply labled W-M AIR. See Figure 2-3. Refer to Power
Supply/Air Control Box Cable table below.
Power Supply/Air Control Box Cable
Cable Part No.
023444
023624
023625
023626
023627
023628
Length (ft./m)
50/15.3
25/7.6
75/23
100/30.5
150/46
200/61
Color
White
Black
Red
Brown
Green
Function
W-M Hot
AC Neutral
Contactor Coil
W-M Coil
Ground
To Air Control Box
Recp/Plug
1
2
3
4
5
From Power Supply
W-M Air Recp/Plug
11
12
13
14
6
8-94