Installation Instructions

Document No. 553-168
Installation Instructions
November 03, 2017
Information in this document is based on specifications believed correct at the time of publication. The right is reserved to make changes as design
improvements are introduced. APOGEE and Insight are registered trademarks of Siemens Industry, Inc. Other product or company names mentioned
herein may be the trademarks of their respective owners. © 2017 Siemens Industry, Inc.
Siemens Industry, Inc.
Building Technologies Division
1000 Deerfield Parkway
Buffalo Grove, IL 60089-4513
USA
1-847-215-1000
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Document No. 553-168
Printed in the USA
Page 4 of 4
NOTE: For installation in an enclosure backplane, use
the 3/8” self-tapping screws and, if necessary,
the 1-3/4” self-drilling screws.
NOTE: For mounting on a surface, use the 3/4” self-
drilling screws and, if necessary, the 1-3/4” self-
drilling screws.
2. Slide out the required mounting tabs.
3. Align the PXC Compact on the mounting surface
and mark the position of the mounting holes.
4. For installation in an enclosure, align the mounting
holes of the PXC Compact with holes in the
perforated backplane.
5. Using wall anchors if necessary secure the controller
using the provided screws.
6. Continue with Completing the Installation.
Completing the Installation
CAUTION:
For PXC Compacts with an RS-485 port do
not connect the shield wire to the connector.
For installation as either an ALN device or
FLN controller, terminate only one end of the
shield wire on the enclosure earth ground.
For installation as an FLN device, connect the
shields together and tape back
For a 3-wire system, terminal is connected
to reference wire. Protective ground terminal
may be connected to earth ground.
For a 2-wire system, terminal is not
connected. Protective ground terminal must be
connected to earth ground.
NOTE: Do not connect the power or network
communication cable until instructed to do so
during start-up.
1. Terminate power wiring to the 24 Vac removable
plug.
2. If required, remove the RS-485 plug and terminate
the communication wiring.
3. Terminate point wiring to the appropriate
connectors (Figure 2).
CAUTION:
Adjacent point connections on the PXC
Compact share a Common termination.
For specific wiring diagrams, see the APOGEE Wiring
Guidelines for Field Panels and Equipment Controllers
(125-3002).
The installation is now complete.
Figure 2. Polarity for Point Connections.
NOTE: The combined total of the external sensor power
outputs cannot exceed 200 mA.