Greenheck SP-A390 Ceiling Exhaust Fan R-22 you can integrate this controller

you can integrate this controller directly into your building management system (BMS) for full visibility of HVAC performance and energy loads

various NTC thermistors

Optimized Defrost Cycles: Precise L80-50 temperature calibration prevents premature or delayed defrosting

this board is the correct technical replacement for specific models across all three brands that use the 031-00880-XXX series

it provides the high-resolution feedback necessary for managing static pressure in commercial air handlers and rooftop units

Greenheck SP-A390 Ceiling Exhaust Fan R-22 you can integrate this controllerThe Greenheck SP A390 is a high performance ceiling exhaust fan designed for continuous or intermittent ventilation in commercial and institutional applications. Engineered for silent operation, this centrifugal fan delivers up to 390 CFM at 0. 1 in. wg., utilizing a forward curved galvanized steel wheel for maximum airflow efficiency. The unit features a direct drive motor equipped with thermal overload protection and a plug in power cord,