Honeywell - The JADE Economizer logic module with Digital Voice Command (DCV) and commissioning assures that specific building systems perform interactively in accordance with design intent and operational needs). It offers economizer control for rooftop HVAC units with series 72 (2-10VDC) actuators for damper control.
Occupied/unoccupied mode, exhaust fan mode
Digital economizer controller with LCD screen for programming and fault detection and diagnostics
Dimensions: 4.98" high x 6.3" wide x 1.34" deep (126.4mm high x 160mm wide x 34mm deep)
Use with Honeywell Series 72 actuators; C7232
With sensors and actuators, solid state economizer logic modules determine whether free-cooling can be used by bringing in outdoor air instead of energizing a compressor