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A80
INSTALLATION
0-4985
3-2
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.
Art # A-08429
Lower
Screws
Lower
Screws
Slots
Upper
Screws
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
The following illustration and directions are for changing
phase of the power supply.
Art # A-08493
Input Power Cable Connections
Three-Phase (3ø)
Store copper jumpers on base plate
Single-Phase (1ø) and Jumper Settings
GND
L1
L2
L3
L4
GND
L1
L2
L3
L4
Single and Three Phase Input Power Wiring
NOTE!
There are two jumpers used for the single
phase 230V setting and none for three phase.
E. Connections to Single Phase Input Power
WARNING
Disconnect input power from the power
supply and input cable before attempting
this procedure.
These instructions are for changing the input power and or
cable on the 208/230, 400, 460 VAC Power Supply to Single
- Phase input power.
1. Remove the Power Supply cover.
2. Disconnect the original input power cable from the
main input contactor and the chassis ground con-
nection.
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. If the power cable being used is not the factory -
supplied cable, use a three - conductor input power
cable for the voltage desired and strip back the
insulation on the individual wires.
Содержание A80 CUTMASTER
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