typical benefits provided by single duct units, while performing at extremely low sound levels. This is critical in today’s buildings, where occupants are placing more emphasis on indoor acoustics.
SDL terminals offer the typical benefits provided by single-duct units, while performing at extremely low sound levels. This is critical in today’s buildings where occupants are placing more emphasis on indoor acoustics. In addition to quiet and accurate temperature control, the building owner will benefit from lower operating costs. The highly amplified, velocity-pressure signal from the FlowStar™ inlet sensor allows precise airflow control at low air velocities.
For added flexibility, Model SDL terminals with electric heat are invertible. They may be installed with the control enclosure on the left or right, except when position sensitive control options are required (e.g. mercury contactors).
Model SDL terminals are available in four unit sizes (10, 12, 14 and 16) to handle airflow capacities up to 4100 CFM.
Standard Features:
Construction
Primary Air Valve
Hot Water Coils
Electrical
Electric Heat
Electronic Controls
Standard Features:
Construction
Hot-Water Coils
Primary Air Valve
Electrical Components
Electric Heat
Optional Features:
Construction
Hot-Water Coils
Electrical Components
Electric Heat
Controls
- Pneumatic controls
- Analog electronic controls
VALUE AND SECURITY FOR THE OWNER
Enviro-Tec SDR terminals offer the typical benefits provided by single-duct units, while performing at extremely low sound levels. This is critical in today’s buildings where occupants are placing more emphasis on indoor acoustics.
Model SDL terminals are only 10" in height, making
them ideal for shallow or congested ceiling plenum
applications. SDL terminals provide variable air volume (VAV) control beyond the typical single duct box. They are specifically designed for precise air delivery throughout the entire operating range. They also offer improved space comfort and flexibility for a wide variety of HVAC applications. SDL terminals take advantage of
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In addition to quiet and accurate temperature control, the building owner will benefit from lower operating costs. The highly amplified, velocity-pressure signal from the FlowStar™ inlet sensor allows precise airflow control at low air velocities. The FlowStar sensor’s airfoil shape provides minimal pressure drop across the terminal. This allows the central fan to run at a lower pressure and with less brake horsepower, while maintaining occupant comfort.
FLEXIBILITY FOR THE BUILDING DESIGNER
Enviro-Tec SDR terminals provide variable-air-volume (VAV) control beyond the typical single-duct box. The compact cabinet design and quiet operation give the system designer the option to place units directly above occupied spaces. It is not necessary to locate the unit in the crowded space above a hall or corridor. This reduces lengthy and expensive discharge-duct runs. The SDR terminal provides the ultimate in airflow control with the patented FlowStar airflow sensor. No other sensor in the industry can match the FlowStar’s ability to quietly and precisely measure airflow. The FlowStar sensor ensures accurate control, even when space constraints do not permit long, straight, inlet duct runs to the terminal.
CONVENIENCE FOR THE CONTRACTOR
Physical installation is simple with low-profile, compact design and standard metal hanging straps. And control-installation time is minimized with the availability of factory-mounted and calibrated controls. Controls are located on the outside of the unit casing for easy access by maintenance personnel. A standard, single-point, main-power connection is provided with all electronic controls and electrical components located on the same side of the casing, for quick access, adjustment, and troubleshooting.
The FlowStar sensor ensures accurate airflow measurement, regardless of the field-installation conditions. A calibration label and wiring diagram is located on the terminal for quick reference during start-up. SDR terminals require no periodic maintenance and provide trouble-free operation.