Detector Grounding - Prosense PQ Series Installation And User Manual

Detector grounding

Internal Ground connection: Each detector has grounding screw which utilizes grounding for
detector main PCB to detector body. The screw should be located correctly and fixed for all
times. In case of any maintenance activity this screw should be checked and fixed to make
sure for proper grounding.
Internal grounding screw location should be reserved for grounding cable and not used for
any other purpose.
External Ground Connection: The detector body has two grounding locations as shown in
Diagram-9. It is recommended to utilize a No 14 AWG copper, (Stranded or Solid), wire.
Grounding
screw location
PRS-UM-PQ-EN-Rev.05-18.06.2020
Diagram 9: Detector internal grounding screw location
Diagram 10: Detector grounding locations
Internal Grounding
screw location
Grounding
screw location
18