Trane OABD OABE OADD OADE OAGD OAKD OAKE OAND OANE Catalog

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Features and Benefits
We designed the Horizon™ Outdoor Air Unit based on customer requirements from across the 
country. Thorough analysis of the performance requirements resulted in a robust design with the 
ability to effectively operate over an expansive performance envelope required for the year-round 
treatment of outdoor air.
Also, we took into account today’s HVAC market issues, such as indoor air quality (IAQ). We 
equipped the Horizon Outdoor Air Unit to meet your ventilation needs—in direct response to the 
ventilation and humidity control requirements of ASHRAE standard 62.1.
Trane’s Horizon Outdoor Air Unit leads the industry in the key areas of:
indoor air quality (IAQ)
energy efficiency
high quality and durability
advanced, integrated controls
flexibility (including indoor installation)
enhanced serviceability
Indoor Air Quality (IAQ) Features
Stainless steel drain pan sloped in two directions to ensure proper drainage and reduce the 
potential for microbial growth
Double-wall foamed panel construction throughout the indoor section of unit to provide, non-
porous, cleanable interior surfaces
Inlet hood with moisture eliminators
High efficiency throwaway filter option with standard 2-, 4-, or 6-inch adjustable filter rack
Piezometer airflow measurement option
Easy filter access encourages frequent changing
Refrigerant hot gas reheat for low dewpoint supply air for superior humidity control
Capable of providing low dew point supply air for superior humidity control
Energy Efficiency
Total energy wheel option for recovered energy from centralized building exhaust
Optional modulating recovered refrigerant reheat for unit supply air
High Quality and Durability
Robust unit construction with 2-inch double wall panels with foam insulation for an R-value of 
13
Reversible, hinged access doors
High quality, long-lasting latches and hinges for all access doors
Protective standard prepainted finish on cabinet exterior with optional corrosion inhibiting 
coatings available for the unit exterior, interior and coils
Advanced Controls
All controls are factory-engineered, mounted, configured and tested to minimize field startup 
time
UC600  microprocessor control
Human interface with touch-pad screen for monitoring, setting, editing and controlling
Capable of supply-air control or zone control of both temperature and relative humidity
Occupied and unoccupied control sequences
Optional remote human interface for ease of control access without going outdoors
Optional LonTalk
®
 communications interface communication link with a Tracer Summit™ 
building management system or other control systems that support LonTalk