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2012 Lennox Industries Inc.
Litho U.S.A.
Corp. 0905−L2
TAA
Service Literature
Revised March 13, 2012
TAA SERIES UNITS
Lennox TAA model blower−coil units are designed for up
flow or horizontal air and indoor applications only. TAA
blower units are available in six models; 072, 090, 120,
150, 180 and 240. The units match up with Lennox TSA
condensing units and Lennox TPA heat pump units
charged with HFC−410A refrigerant.
Information and specifications contained in this manual
are subject to change. Procedures outlined in this manual
are presented as a recommendation only and do not su-
persede or replace local or state codes.
WARNING
Improper installation, adjustment, alteration, service or
maintenance can cause personal injury, loss of life, or
damage to property.
Installation and service must be performed by a licensed
professional installer (or equivalent) or a service agency.
WARNING
Electric shock hazard. Can cause in-
jury or death. Before attempting to
perform any service or maintenance,
turn the electrical power to unit OFF
at disconnect switch(es). Unit may
have multiple power supplies.
TABLE of CONTENTS
Specifications Page 2. . . . . . . . . . . . . . . . . . . . . . .
Options / Accessories Page 4. . . . . . . . . . . . . . . .
Blower Data Page 5. . . . . . . . . . . . . . . . . . . . . . . . .
Electric Heat Data Page 15. . . . . . . . . . . . . . . . . . .
I Unit Components Page 21. . . . . . . . . . . . . . . . . . .
II Refrigeration System Page 22. . . . . . . . . . . . . . .
III Blower Speed and Belt Adjustment Page 22. .
IV Electric Heat Page 23. . . . . . . . . . . . . . . . . . . . . .
V Diagrams Page 24. . . . . . . . . . . . . . . . . . . . . . . . .
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