HVAC Blog

HVAC Maintenance: Tiered Maintenance for Screw Chillers and Modular Air-Cooled Chillers

For chillers, all of the HVAC Maintenance tasks are to be performed in strict compliance with the currently applicable industry standards for new Screw Chillers Maintenance and for Air-Cooled Chillers Maintenance. For these tasks the primary references are GB/T 18430.1-2024 “Steam compression cycle ...

Visits:599  |   2026-07-14

AHU leaking water or air? 90% of the time it's because the S-trap is installed incorrectly!

Behind the leaking water search on an AHU there are generally 3 scenarios:(1) Water leaking from the casing of the AHU down to the floor of the mechanical room during peak cooling period.(2) condensate backflow causing internal pan overflow after months of seemingly normal operation.(3) occasional d...

Visits:733  |   2026-07-12