Low Profile Single Duct Air Terminal with Inlet Attenuator - TL-500

he Metalaire model TL-500 is the simplest and most widely used VAV terminal unit used for low profile applications. The unit is served by a central air handler and modulates the amount of ‘primary’ cooling air to the space between a minimum set point and the design airflow. The unit has a maximum height of 12 1/2".

Capacities ranging from 80-4,000 CFM in 8 sizes
AHRI Certified, ETL listed, UL 1995, Complies with NFPA 90A and UL 181
Reduced height for low clearance applications
Hot Water or Electric Heat available for reheat applications

Specification

- Industry leading continuous welded primary inlet duct to minimize leakage with three stiffening beads for added rigidity
- Pneumatic, Electric, Analog, or Direct Digital Controls available
- All metal constructed inlet flow sensor with extra balancing taps
- Rectangular discharge with slip and drive duct connection
- 22 ga. galvanized steel casing, mechanically sealed for low leakage construction
- NEMA 1 rated control enclosure with stand-off to prevent penetration of casing
- Full range of options and accessories available including liners, heating coils, access doors, attenuators, etc.
- Reduced height for low clearance applications
- All TL-500 terminal units are AHRI certified and shipped with the AHRI seal
Liners
- ½” or 1” 1.5lbs fiberglass
- ½”, ¾”, or 1” 1.5lbs foil faced
- ½” or 1” Thermopure closed cell foam
- ½” or 1” Fiberglass with solid metal double walled
Access Doors
- Damper
- Inlet sensor
- Hot water coil
- Electric heat
Other options available:
- 5 different control enclosures
- 4 different handing configurations
- 3 different outlet connections
- Hanger brackets
- 4 different transformers
- Multiple how water coil options
- Multiple electric heat options
- Custom options