What Our Customers Are Saying
Monthly Archives: July 2026
-
31 Jul
Read more »Every HVAC sensor you'll encounter on a UK commercial project uses one of four signal types, and the controller input must be configured to match. Using the wrong configuration produces readings that are systematically wrong, not obviously wrong, but offset in a way that causes control problems without triggering any fault alarm.
-
22 Jul
Read more »The Carel pCO range, pCO1, pCO3, pCO5, pCOe, is the most widely used HVAC controller in UK commercial applications. This guide covers physical I/O wiring, analogue input type configuration, pLAN bus setup, and the most common commissioning errors.
-
9 Jul
Read more »The Siemens SAS and SAX series use a consistent model number structure that tells you the signal type and stroke. Getting this wrong at order stage is the source of the majority of Siemens actuator commissioning issues on UK projects.
-
7 Jul
Read more »Belimo actuator not moving, not reaching full stroke, cycling continuously, or responding to the wrong position, diagnostic steps from no-movement to subtle calibration issues, with the Belimo NM, LM, SM and AF series.
Recent Posts
-
Steam Humidifier Explained: How HygroMatik Humidification Systems Work
October 16, 2026 -
Carel Controller Fault Codes Explained: A Troubleshooting Guide
October 15, 2026 -
Damper Actuator Not Working? How to Diagnose and Fix Common Faults
October 2, 2026 -
VAV Box Explained: How Variable Air Volume Systems Control Airflow
October 1, 2026 -
Replacing a CAREL pLDPRO Display: pGDn Options, Fit Checks and Affected Part Numbers
September 23, 2026