![background image](http://html.mh-extra.com/html/siemens/vnt-ps/vnt-ps_installation-instructions_382617001.webp)
Siemens Industry, Inc.
Building Technologies Division
P/N 315-050491-0
INTRODUCTION
The Model VNT-PS is used to isolate the ground of the VNT (Virtual Network Tunnel)
from the FireFinder-XLS system ground.
INSTALLATION
Remove all system power before installation, first battery then AC. (To power up, connect the
AC first, then the battery.)
Mounting
The VNT-PS mounts with an attached bracket onto the VNT-MP using the hex nuts
supplied with the VNT-MP.
VNT-PS
SLOTS FOR
MOUNTING
Figure 1
VNT-PS with Attached Bracket
The VNT-PS installs on the left edge of the VNT-MP mounting plate. Loosen the two
nuts on the left side of the VNT that are fastened to the VNT-MP, then slide the slots
of the VNT-PS bracket onto the studs. Tighten the nuts to securely fasten the VNT-PS
bracket in place. Refer to Figure 2.
VNT-PS
SLOTS FOR
MOUNTING
VNT-PS
VNT
VNT-MP
STUDS
Figure 2
Mounting the VNT-PS to the VNT-MP
Power Supply for VNT
Installation Instructions
Model VNT-PS