Published in U.S.A.
www.johnsoncontrols.com
LN Series LN-VSTAT and LN-PSTAT Sensors Installation Instructions
9
Controls Group
507 E. Michigan Street
Milwaukee, WI 53202
Metasys® is a registered trademark of Johnson Controls, Inc.
All other marks herein are the marks of their respective owners.
© 2007 Johnson Controls, Inc.
For additional information and detailed explanations on
network topology and wire length restrictions, refer to
Echelon Corporation’s
Junction Box and Wiring
Guideline for Twisted Pair L
ON
W
ORKS
Networks
(Part # 005-0023-01).
Note:
Use proper network terminators depending on
the type of network topology used. Failure to do so may
result in communication errors between controllers. Do
not use multiple gauges of cable on the same
communication bus, as this may also result in
communication errors.
Troubleshooting
Table 1: Troubleshooting
Problem
Possible Cause
Solution
Temperature is not read
properly
Wrong connection
Verify that every connection is properly wired.
Temperature setpoint is not
read properly
Wrong connection
Verify that every connection is properly wired.
Software configuration
Verify that the setpoint is configured correctly according to
the selected sensor model.