GE Industrial Solutions Spectra Series ACT Transient-Voltage - Manual (Page 3)

Figure 6. Plug-in assemblies without .281-inch square holes. (Interior
spools are not shown for clarity.)
3. Install ACT TVSS unit. Route the cable assemblies
through the circular holes in the ACT TVSS unit [8].
Secure the ACT TVSS unit to the side of the Z rail
with four #10-32 x
7 / 16 " thread-forming screws [11], as
shown in Figure 7, and tighten to 22 in.-lb. Orient the
unit so that the display is to the right and the
disconnect switch is to the left.
Figure 7. Installing the cable connections to the TVSS.
4. Make cable connections to the TVSS. Trim the cable
assemblies [9] to the required length and strip 1 / 2
inch from the end of the cable. Connect the cable
assemblies to the lugs provided in the TVSS unit and
tighten the lug screws to 150 in.-lb. Insure that cables
from the bus bars are connected to the proper
terminals in the TVSS unit marked A phase, B phase,
C phase or L1, L2, L3.
a. Install ground (and neutral cable if required).
Installation of the ground and neutral cables is
described in the instructions included with the
ATHMEGNDN kit [7].
5. Install the filler supports. For 27W, 31W, and 35W
panels, mount four filler supports [6] to the Z rail of
the vertical bus interior, as shown in Figure 8. For
36W, 40W, 44W, and 45W panels, mount two filler
supports [2] to the Z rail, as shown in Figure 9. Secure
the supports with 10-32 x
7 / 16 " thread-forming screws
[11] and tighten to 22 in.-lb.
6. Install the handle shaft from item [8]. Insert the
switch shaft onto the disconnect as shown in Figure
10. The set screw must be pointing upward (this
ensures that the disconnect is in the
OFF position).
Install the switch shaft so that the switch shaft
protrusion is pointing toward the right.
Figure 8. Filler supports for 27 and 31 wide panelboards or 35 wide
switchboards.
Figure 9. Filler supports for 36, 40, and 44 wide panelboard or 40 and
45 wide switchboard.
Figure 10. Installing the handle shaft.
Wire
Terminals
Set
Screw
Switch Shaft
from [8]