Tweco 100XL Plus PAK Master - Manuel (Page 21)

Manual 0-2811 3-3 INSTALLATION
1. Pull the single wire voltage selection plug from the
connector mounted on the internal center chassis.
380-415V/460V
220V
460V
380- 415V
220V
380-
415V
460V
220V
380-415V/460V
220V
Voltage Selection
Plug (220V)
Voltage Selection
Plug (460V)
Voltage Selection
Plug (380-415V) A-01361
Figure 3-2 Voltage Selection Plug
2. Loosen the screws securing the voltage selection block
to the terminal block.
3. Pull the voltage selection block up and out from the
terminal block.
4. Turn the voltage selection block to the desired volt-
age to be used. Use 220V for units using 208/230/
240V input and 380-415V/460V for 380/415V or 460V
input power.
5. Slide the voltage selection block onto the terminal
block and tighten all the screws.
NOTE
All screws must be tightened even if not used on
the terminal block.
380-415V/460V
220V
460V
380- 415V
220V
208/230/240VAC
380-
415V
460V
220V
380-415V/460V
220V
380-415V/460VAC
Voltage Selection
Block
A-01347
Figure 3-3 Voltage Selection Block Installation
6. Move the voltage selection plug to the desired input
connector for 220V (208/230/240V), 380/415V, or
460V input power operation.
3.07 Primary Input Power Cable
Connections
Units ordered as 230V, single-phase, will have a six foot
power input cable and plug factory installed. For all other
units, a cable must be provided by the end user. Recom-
mended cable sizes are specified in Appendix I.
A. Primary Power Cable Connection
Procedure
1. Route the primary power cable through the strain re-
lief fitting in the rear panel of the Power Supply and
tighten strain relief screws.
AC Input Power
Cable Strain Relief
AC Input
Power Cable A-00912
Figure 3-4 AC Input Power Cable Strain Relief
2. Connect the input cable inside the Power Supply for
the type of operation as follows:
Three-Phase Operation
Three-phase operation requires a 3-conductor cable
with ground.
a. Locate the ground stud and remove the top
nut and washer.
b. Install a lug terminal on the ground wire.
c. Place the ground wire onto the ground stud
and secure with the nut and washer.
d. Insert the other three wires into the L1, L2, and
L3 terminals on the contactor.
e. Tighten all set screws.
f. Verify unused jumper wire is connected only
to the L3 terminals.
NOTE
The jumper wire from L1 to L4 must not be re-
moved.