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Installer's Guide
a fossil fuel device be installed and/or operated in
the same closet, alcove or utility room.
In addition, these air handlers are suitable for installa-
tion in an attic, garage or crawl space with ducted
supply and return air.
This equipment has been evaluated in accordance with
the Code of Federal Regulations, Chapter XX, Part 3280
or the equivalent. "SUITABLE FOR MOBILE HOME
USE"
For proper installation the following items must be con-
sidered:
1. If adequate power is available and correct according
to nameplate specifications.
2. Insulate all ducts, particularly if unit is located out-
side of the conditioned space.
3. To ensure maximum efficiency and system perfor-
mance, the existing supply and return duct system
static pressures must not exceed the total available
static pressure of the air handler. Reference ACCA
Manual D, Manual S and Manual RS along with the
air handler Product Data and Service Facts for addi-
tional information.
4. It is recommended that the outline drawing be studied
and dimensions properly noted and checked against
selected installation site. By noting in advance which
knockouts are to be used, proper clearance allowances
can be made for installation and possible future ser-
vice.
5. Pursuant to Florida Building Code 13-610.2.A.2.1,
this unit meets the criteria for a factory sealed
air handler.
6. The Refrigerant lines must be sealed and Electri-
cal inlets need to be sealed at both the low and
the high voltage.
7. When the air handler with supplementary heater is
to be installed in the downflow position on combus-
FLOOR OPENING - SIZE
MODEL NO.
A
TAYBASE100
23-3/4
TAYBASE101
21-3/4
TAYBASE102
26-3/4
© 2006 American Standard Inc. All Rights Reserved
AIR HANDLER SUB-BASE
B
14-13/16
14-13/16
14-13/16
Figure 1
tible flooring an accessory sub-base (TAYBASE101
for
TWE031E,
TAYBASE100
TAYBASE102 for TWE040- 065E) must be used. See
Figure 1.
8. If supplementary heat is to be added, power supply
must be sufficient to carry the load. In addition, mini-
mum air flow settings, unit and duct clearances to
combustible material must be maintained as stated
on
the
air
handler
CAUTION
!
For air handlers not equipped with a factory installed electric
heater, a field installed heater is available from American
Standard Inc. Only heaters built by American Standard Inc.
are approved for use in the air handler. These heaters have
been designed and tested in accordance with UL standards
to provide safe and reliable operation. A list of approved
heaters is provided on the air handler rating nameplate.
Heaters that are not factory approved could cause damage
and are not covered under equipment warranty.
NOTE:
If air handler is used WITHOUT a supplementary electric
heater, a sheetmetal plate is required to cover the open hole
in the airflow system. See Figure 2
tight where the wire enters.
9. If field installed electric heaters are applied, mini-
mum air flow settings, unit and duct clearances to
combustibles must be maintained as stated on the
air handler rating nameplate.
10. If the unit is installed without a return air duct, ap-
plicable local codes may limit this air handler to in-
stallation only in a single story residence & within
conditioned space.
11. If the outdoor unit is to be installed later, or by oth-
ers, then installation of the air handler must be
made to allow access for refrigerant lines, or attach
refrigerant lines to air handler when installing.
for
TWE037E,
rating
nameplate.
.
Also seal the cabinet air
18-GE01D1-9
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