Hypertherm HD4070 Rev.8 - Manual (Page 56)

INSTALLATION
0
HD4070 Instruction Manual 3-15
4070.02
L1 L2
L3
GND
Connect the Power
Note: Connect main power cable last if installing THC cables, for ease of installation.
1. Insert the power cable through the strain relief at the rear of the power supply.
2. Connect the ground lead (PE) to the GND terminal of TB1 as shown below.
3. Connect the power leads to the terminals of TB1 as shown below.
4. Check that the line disconnect switch is in the OFF position and remains in the OFF position for the
remainder of the installation of the HD4070 system.
5. Connect the power cord leads to the line disconnect switch following national or local electrical codes.
L1 = Black
L2 = White
L3 = Red
GND = Green/Earth Ground
WARNING
E LECTRICAL SHOCK CAN KILL
T he line disconnect switch must be in the OFF position before making the power cable connections.
In the U.S., use a "lock-out/tag-out" procedure until installation is complete. In other countries, follow
appropriate national or local safety procedures.
Line
Disconnect
Switch
Power
Cable
TB1