ZRT-SDIL
Airflow regulator
ZRT-SDIL
Airflow regulator
Used in large and small systems, the ZRT-SDIL regulates ventilation by zone without the need for individual fans.
ZRT-SDIL
ALDES Zone Register Terminals (ZRT®) are designed to introduce flexibility and dynamic control of central ventilation systems. Used in both large and small systems, the ZRT-SDIL-1 zonally regulates ventilation without the need for individual fans. Each ZRT-SDIL-1 is a combination register box, control damper, removable access plate, and optional flow regulator(s). This unique combination provides up to three different control schemes without the need for expensive pneumatic, electronic, or DDC control systems.
The ZRT-SDIL-1 model provides on-off control for on-demand ventilation. This allows central fan downsizing and promotes energy savings by minimizing necessary fan horsepower and ventilation-induced heating and cooling loads on the building. The Constant Airflow Regulator (CAR) installed in the ZRT-SDIL-1’s extended duct collar places a maximum flow limit on each terminal. The automatic operation of the CAR will prevent noise and excessive energy consumption caused by over-ventilation, as well as fluctuations in airflow rates as total system pressure varies.
The ZRT-SDIL-1 can activate fans used in smaller central exhaust or supply ventilation systems. Through the use of an integral damper end-switch, the ZRT-SDIL-1 can trigger the remote fan to start. This provides the distinct advantage of allowing the fan to only ventilate specific spaces without the need for separate fans in each space. This capability is especially important in residential bath exhaust applications with in-line and multi-port fans, where low noise and a single exterior vent penetration are desired.
The ZRT-SDIL-1 model provides on-off control for on-demand ventilation. This allows central fan downsizing and promotes energy savings by minimizing necessary fan horsepower and ventilation-induced heating and cooling loads on the building. The Constant Airflow Regulator (CAR) installed in the ZRT-SDIL-1’s extended duct collar places a maximum flow limit on each terminal. The automatic operation of the CAR will prevent noise and excessive energy consumption caused by over-ventilation, as well as fluctuations in airflow rates as total system pressure varies.
The ZRT-SDIL-1 can activate fans used in smaller central exhaust or supply ventilation systems. Through the use of an integral damper end-switch, the ZRT-SDIL-1 can trigger the remote fan to start. This provides the distinct advantage of allowing the fan to only ventilate specific spaces without the need for separate fans in each space. This capability is especially important in residential bath exhaust applications with in-line and multi-port fans, where low noise and a single exterior vent penetration are desired.
The + products
- Built with a heavy-gauge galvanized steel housing for durability, the units are designed for in-line installation,
- Extended duct collars allow for simple attachment to rigid or flexible ducts and the insertion of an optional constant airflow regulator (CAR) for maximum flow control,
- The damper assembly is provided with a long-life 24 VAC or 120 VAC actuator motor with spring return,
- Requires no maintenance when used under normal conditions,
- Can be activated using a variety of control options; on/off or timer switches, dehumidistats, occupancy sensors, or clock switches.