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How to wire a Sensor

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Before You Begin
  • Isolate the AHU at the control panel isolator.
  • Obtain the correct replacement sensor and manufacturer’s data sheet.
  • Confirm the correct control cable type and length.
  • Have ferrules, cable markers and crimping tools ready before termination.
Quick Overview
  • Isolate the AHU before control wiring work begins.
  • Obtain the correct replacement sensor and data sheet.
  • Prepare, number and terminate the cable correctly.
  • Restore power and verify the live reading in the controller.
Keep This Guide On Hand

This guide demonstrates the safe removal, wiring, installation and commissioning of a replacement sensor connected to the Trend control system. It is intended for temperature, pressure and differential pressure devices, and focuses on correct wiring, safe isolation and controller verification.

Video guide | 8 minutes 06 Seconds | Booklet included

Download Guide

Written Guide Overview

This written summary mirrors the booklet and gives users a quick reference to the key steps show in the video.

1
 Isolate the AHU, obtain the correct replacement sensor, and confirm the required cable and terminal arrangement from the wiring information.
2
 Prepare the cable by numbering the cores, stripping the ends, fitting ferrules and identifying the earth connection.
3
 Wire the sensor terminals correctly using the data sheet and AHU wiring diagram, then secure the enclosure lid.
4
 Restore power, open the Trend controller interface, and confirm the sensor value is communicating and stable within the expected range.
What this guide covers
  • Safe electrical isolation for sensor work.
  • Selecting the correct replacement sensor and cable.
  • Numbering cable cores and fitting ferrules.
  • Earthing requirements.
  • Wiring the sensor terminals correctly.
  • Verifying operation in the Trend controller.

Need further assitance?

If the portal does not load, re-check the internet connection, QR scan and 18-digit reference number. If access still fails, contact ECE support and quote the unit’s reference number. You can reach our team on 01634 729 690 or sales@eceuk.com.

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