Lennox ALLIED Commercial TCA180H2B High, Руководство пользователя

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©2008 Allied Air Enterprises Inc., a Lennox International Inc. Company
Phone: (803) 738−4000
Service Literature
TCA
ROOFTOP UNITS
TCA−180−210−240−300 (10−08)
TCA 15 through 25 ton
The TCA180S, 180H, 210S, 210H, 240S, 240H and 300S
are available in one cabinet size with cooling capacities from
180,000 to 286,000 Btuh (45.7 to 83.8 kW).
Optional electric heat is field−installed in TCA units. Electric
heat operates in single or multiple stages depending on the
kW input size. 15kW to 60 kW heat sections are available for
the TCA180S, 180H and 15 kW to 90 kW heat sections are
available for the TCA210S, 240S, 210H, 240H and 300S.
TCA180, 210S and 240S units utilize three compressors
and TCA210H, 240H and 300S units utilize four.
All units are designed to accept any of several different ener-
gy management thermostat control systems with minimum
field wiring.
Information contained in this manual is intended for
use by qualified service technicians only. All specifica-
tions are subject to change.
Procedures outlined in this
manual are presented as a recommendation only and do not
supersede or replace local or state codes.
If the unit must be lifted for service, rig unit by attaching four
cables to the holes located in the unit base rail (two holes at
each corner). Refer to the installation instructions for the prop-
er rigging technique.
WARNING
Improper installation, adjustment, alteration, service
or maintenance can cause property damage, person-
al injury or loss of life. Installation and service must
be performed by a licensed professional installer or
service agency.
WARNING
Electric shock hazard. Can cause injury
or death. Before attempting to perform
any service or maintenance, turn the
electrical power to unit OFF at discon-
nect switch(es). Unit may have multiple
power supplies.
ELECTROSTATIC DISCHARGE (ESD)
Precautions and Procedures
CAUTION
Electrostatic discharge can affect electronic
components. Take precautions during unit instal-
lation and service to protect the unit’s electronic
controls. Precautions will help to avoid control
exposure to electrostatic discharge by putting
the unit, the control and the technician at the
same electrostatic potential. Neutralize electro-
static charge by touching hand and all tools on an
unpainted unit surface before performing any
service procedure.
Table of Contents
Specifations Page 2 . . . . . . . . . . . . . . . . . . . .
Blower Data Page 4 . . . . . . . . . . . . . . . . . . . .
Electric Heat Capacities Page 10 . . . . . . . . . .
Electric Heat / Electrical Data Page 10 . . . . .
Options / Accessories Page 17 . . . . . . . . . . .
Parts Arrangment Page 19 . . . . . . . . . . . . . . .
I Unit Components Page 20 . . . . . . . . . . . . . .
II Placement and Installation Page 33 . . . . . .
III Start Up Page 33 . . . . . . . . . . . . . . . . . . . . .
IV Charging Page 34 . . . . . . . . . . . . . . . . . . . .
V System Service Checks Page 35 . . . . . . . .
VI Maintenance Page 35 . . . . . . . . . . . . . . . . .
VII Accessories Page 37 . . . . . . . . . . . . . . . . .
VIII Diagrams Page 43 . . . . . . . . . . . . . . . . . . .