Commercial Economizers Video

Many commercial rooftop units feature air side economizers to provide “free cooling” when outdoor conditions are right.  Economizers are also a major part of today’s high volume demand ventilation systems.  This HVAC Service Mentor seminar will familiarize students with the construction, wiring and installation of economizers as well as servicing and troubleshooting considerations
Covered topics include:
     Air side economizers
     Sequence of operation
     Opposed dampers
     Damper linkage
     Proper maintenance techniques
     Minimum position setting
     Modulating damper motors
     Enthalpy sensors
     Demand ventilation