08 gas connections, 07 primary input power cable connections – Tweco PakMaster 50XL Plus (CE) User Manual
Page 19

Manual 0-2780
13
SECTION 3: INSTALLATION PROCEDURES
Voltage Selection
Connector
380/415 Volts
220 Volts
Voltage Selection
Label
A-02628
Not Used
Figure 3-2 Input Voltage Selection
3.07 Primary Input Power Cable
Connections
All units are supplied from the factory as 380/415V, three
phase with a six foot EMC input power cable installed.
A. Single or Three Phase Operation
220V units may be either single or three phase. Depend-
ing on the type of operation, the primary power cable
wiring may need to be changed by the user. Refer to the
following procedure to connect the supplied input EMC
power cable to the customer power source:
For Single-Phase Operation:
Single-phase operation requires a 2-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 two wires into the L1 and L2
terminals on the contactor.
e. Tighten all set screws.
AC Input
Power Cable
L1
L2
GND
Input Contactor
A-01330
Figure 3-3 Primary Power Cable Connections -
Single-Phase Operation
For 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.
AC Input
Power Cable
L1
L2
L3
GND
Input Contactor
A-01329
Figure 3-4 Primary Power Cable Connections -
Three-Phase Operation