The Digi-RTU®Digi-RTU® is a control package designed for rooftop unit retrofits.
It works best with handlers that are between 7.5 and 50 tons.
It turns a constant volume constant capacity unit into a variable capacity unit.
Studies indicate that implementation of the Digi-RTU® system can result in a 40% to 60% average reduction in energy consumption and 30% to 60% decline in demand.
The Digi-RTUTM modulates the rooftop unit and the capacity of the air and water source heat pumps to match the dynamic nature of building cooling or heating loads. As a result, energy waste is minimized and indoor comfort is improved. Because of its unique operating principles, the Digi-RTUTM achieves greater savings than any other product on the market.
» Existing Building Automation System (BAS), Thermostat & HVAC controllers remain
» Reduces total electrical consumption & peak demand by up to 60%
» Reduces gas consumption by 10-15%
» Better maintains the room temperature set-point and humidity
» Reduces compressor cycling
» Reduces operating and maintenance costs
Digi-RTUTM Advance Controls
» Variable Refrigerant Flow; compressor optimization
» Variable Air Flow; fan speed control
» Integrates with the existing economizer
» Regulates the indoor air CO2 level » Fault Detection & Diagnostics
» Demand Response Functionality; load limit capable
» Remote Monitoring
» Package rooftop units, water and air source heat-pumps, split units
» Installed on HVAC rooftop units between 3-50 tons
» Up to 4 cooling and 2 heating stages » Integrates with any existing thermostat or BMS
» Demand Control Ventilation CO2 satisfies ASHRAE 62.1 & CA Title 24 Requirements
» Economizer Integration
» Demand Response (DR) signal enabled