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This solid-state control board features an integrated Time Delay Relay (TDR)
Ensures precise HVAC system communication for optimized heating cycles
Common indicators include inconsistent refrigerant flow control
Engineered with a normally closed (N-C) configuration
Dwyer Instruments CDT-2N40-LCD Transmitter R-22 This solid-state control board featuresThe Dwyer CDT 2N40 LCD is a field selectable Carbon Dioxide Transmitter designed for precise demand controlled ventilation in commercial HVAC systems. Utilizing Non Dispersive Infrared (NDIR) technology, this wall mount sensor accurately monitors CO2 concentrations from 0 to 2000 ppm. The single beam dual wavelength sensor design enables automatic baseline calibration, effectively compensating for aging components to ensure long term stability in
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