User's Guide

LSP3A Clear User’s Guide
It is only for internal use and shall not be spread without permission
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People Counter, Buzzer Settings and Extra optional display Lights beneath the PEM.
7.3 Servicing the Electronics Unit
- Fuse characteristics:
 F1 on AC mains: SCHURTER FST, 5X20mm, Time-Lag T, H, 250VAC, 500mA
 F2 on DC supply: SCHURTER SPT, 5X20mm, Time-Lag T, H, 250VAC/300VDC, 2A
- How to change them:
Fuses are located behind the plastic cover at the bottom of the LSP3A pedestals.
1. Unscrew the 4 screws holding the plastic cover on sensors and counter display side.
2. Unscrew the fingertip head fuse and replace the tripped fuse with the specified
replacement one. Only use the specified UR listed 5x20mm fuses from SCHURTER
for replacement (please see figure below).
Figure 7.2: Mains Fuses Location and Ratings
WARNING: Beware of Hazardous AC mains 110/230V Voltage!
Make sure there is no power supply before carrying on maintenance
operation.To do so, the micro circuit-breaker must be opened and the Main
Power SupplyCord Unplugged from the Wall Socket.