Cutmaster 12mm – Tweco CutMaster 12mm User Manual
Page 23

CUTMASTER 12mm
Manual 0-5076
INSTALLATION
3-1
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.
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 adequate 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 recommended circuit protection and wiring
requirements 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
replacing 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 supply
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 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.
CAUTION
The primary power source and power cable must
conform to local electrical code and the recom-
mended circuit protection and wiring requirements
(refer to table in Section 2).
6. Connect the wires as follows.
• Set Jumper wires on the contactor. See previous
illustrations.
• Green / Yellow wire to Ground.
• Remaining wires to L1 and L2 input. It does not
matter what order these wires are attached.
7. With a little slack in the wires, tighten the through - hole
protector to secure the power cable.