Thermal Dynamics CUTMASTER A40 User Manual

CUTMASTER A40
INSTALLATION 3-2 Manual 0-4978
3.05 Primary Input Power
Connections
CAUTION
Check your power source for correct voltage
before plugging in or connecting the unit.
Check the Voltage Selector at the rear of the
unit for correct setting 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.
Most units are shipped from the factory with a
230Volt input power cable wired to the input
contactor in the single - phase conguration.
The following illustrations and directions are for
changing that conguration to a different voltage
and or to three - phase operation or back again if a
change had already been made.
A. Cover Removal
1. Remove the upper and lower screws which
secure the cover to the main assembly. Do
not loosen the lower screws inside the cut
out slots in the bottom of the cover.
NOTE
The upper screws and lower screws are not the
same. Do not mix them. The upper screws are
for threading into the plastic of the front and
rear panels. DO NOT use the finer threaded
lower screws for this.
Upper
Screws
Lower
Screws
Lower
Screws
Art # A-08317
Slots
2. Carefully pull the Cover up and away from
the unit.
B. Cover Installation
1. Reverse previous procedures for cover
installation.
NOTE
When installing the upper screws, attempt to
reuse the original threads. The easiest way
to do this is by turning the screw counter-
clockwise until you feel the threads line up, then
begin to turn the screw clockwise to tighten.
Do not over tighten.
C. Input Power Selection
Set the Input Voltage Selection Switch at the rear
of the unit based on the primary input voltage it
is connected to. Low is 208/230 VAC and high is
460 VAC.
S
LO
HI
Art # A-08316
D. Quick Guide to Phase Wiring
Art # A-07984_AB
Single-Phase (1ø) and Jumper Settings
L1
L2
L3
L4
Jumper L1 -L4
Jumper
L2-L3
L1
L2
L3
GND
L4
Single Phase Input Power Wiring
Art # A-07983_AB
Three-Phase (3ø) and Jumper Settings
L1
L2
L3
L4
Jumper L1 -L4
L1
L2
L3
GND
L4
Store copper jumper in spare parts box
Three Phase Input Power Wiring

Thermal Dynamics CUTMASTER A40 Specifications

General

Brand	Thermal Dynamics
Model	CUTMASTER A40
Category	Welding System
Language	English