Section 3 System: Installation; Unpacking; Lifting Options; Primary Input Power Connections - ESAB Cutmaster 120 Operating Manual

SECTION 3 SYSTEM:
INSTALLATION

3.01 Unpacking

1. Use the packing lists to identify and account for
each item.
2. Inspect each item for possible shipping damage.
If damage is evident, contact your distributor and
/ or shipping company before proceeding with the
installation.
3. Record Power Supply and Torch model and serial
numbers, purchase date and vendor name, in the
information block at the front of this manual.

3.02 Lifting Options

The Power Supply includes a handle for hand lifting
only. Be sure unit is lifted and transported safely and
securely.
WARNING
Do not touch live electrical parts.
Disconnect input power cord before
moving unit.
WARNING
!
FALLING EQUIPMENT can cause
serious personal injury and can dam-
age equipment.
HANDLE is not for mechanical lifting.
• Only persons of adequate physical strength should
lift the unit.
• Lift unit by the handles, using two hands. Do not
use straps for lifting.
• Use optional cart or similar device of adequate
capacity to move unit.
• Place unit on a proper skid and secure in place
before transporting with a fork lift or other vehicle.
300X5398
3.03 Primary Input Power
Connections
CAUTION
!
Check your power source for cor-
rect voltage before plugging in or
connecting the unit. The primary
power source, fuse, and any exten-
sion cords used must conform to
local electrical code and the recom-
mended circuit protection and wiring
requirements as specified in Section
2.
The following illustration and directions are for wiring
three phase input power.
Input Power Cable Connections
Three Phase Input Power Wiring
A. Connections to Three Phase Input Power
WARNING
Disconnect input power from the
power supply and input cable before
attempting this procedure.
These instructions are for replacing the input power and
or cable for 400 VAC Power Supply to Three - Phase
input power.
1. Remove the Power Supply cover per instructions
found in section 5.
2. Disconnect the original input power cable from
the main input contactor and the chassis ground
connection.
3. Loosen the through - hole protector on the back
panel of the power supply. Pull the original power
cable out of the power supply.
4. Using a customer supplied four - conductor input
power cable for the voltage desired, strip back
the insulation on the individual wires.
5. Pass the cable being used through the access
opening in the back panel of the power supply.
Refer to Section 2 for power cable specifications.
INSTALLATION
ESAB CUTMASTER 120
Three-Phase (3ø)
L1
L2
L3
L4
GND
3-1