Tweco Ultima 150 - Manual (Page 20)

SECTION 3: INSTALLATION 14 Manual 0-2472
AC Input
Power Connection
A-00814
Figure 3-2 Rear Panel Input Power Connection
A. Connections for Single-Phase
Single-phase operation requires a 2-conductor cable with
ground.
1. Remove the Enclosure Cover from the unit to set
up the correct electrical service.
2. Feed AC input cable through the strain relief on
rear panel of unit and tighten the strain relief
screws.
3. Insert the ground wire into the terminal marked
GND (ground) and tighten the set screw.
4. Connect the other two wires to terminals L1 and
L2 located on the top end of the Main Circuit Breaker
(MCB). L1 is the left terminal and L2 is the center
terminal when viewing the MCB from the rear.
Ground
Fuse
Primary
Power Switch
L1
L2
A-00815
Figure 3-3 Single-Phase Input Connections
WARNING
Make sure the ground wire is designated GND
on the other end of the cable. Electric shock
and damage to the unit could occur if power is
applied to the GND terminal.