CUTMASTER 20mm
Manual 0-5078
3-1
INSTALLATION
SECTION 3 SYSTEM:
INSTALLATION
3.01 Unpacking
1. Use the packing lists to identify and ac-
count 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 ven-
dor 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.
FALLING EQUIPMENT
can cause serious
personal injury and can damage 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 ad-
equate capacity to move unit.
• Place unit on a proper skid and secure in
place before transporting with a fork lift or
other vehicle.
3.03 Primary Input Power
Connections
CAUTION
Check your power source for correct voltage before
plugging in or connecting the unit. The primary
power source, fuse, and any extension cords used
must conform to local electrical code and the rec-
ommended circuit protection and wiring require-
ments as specified in Section 2.
All units are shipped from the factory with a
380/400Volt input power cable wired to the input
contactor in the three - phase configuration. The
following illustration and directions are for re-
placing the input power cable.
Art # A-08546
Three-Phase (3ø) and Jumper Settings
L1
L2
L3
L4
Jumper L1 -L4
L1
L2
L3
GND
L4
Three Phase Input Power Wiring
A. Connections to Three Phase Input Power
WARNING
Disconnect input power from the power sup-
ply and input cable before attempting this
procedure.
These instructions are for replacing a 380/400V
input power cable to the Power Supply for Three
- Phase input power.
1. Remove the Power Supply cover per in-
structions 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 sup-
ply.
4. Using a customer supplied four - conductor
input power cable for the voltage desired,
strip back the insulation on the individual
wires.
ARC WELDING SUPPLIES - 07 847 7870
