Ingersoll-Rand BAYHTRL, Installation Manual

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6 ACC-SVN91G-EN
Installation
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N No otte e:: All phases of this installation must comply with
national, state, and local codes.
1. Remove duct flange from around air discharge on
top of the air handler. Retain screws and flange for
(optional) installation on top of the heater. See
Figure 1, p. 6 and Figure 2, p. 6 .
2. Remove the control wire knockout (Knockout #1)
from top of air handler and insert plastic bushing
supplied with heater. This knockout will also be
used if single point power entry is utilized.
IIm mp po orrtta an ntt:: For ventilation purposes, Heaters
L112A, L117A, L123A, L129A, L325A,
and L335A require that an additional
knockout (knockout #2) be removed
(see
Figure 1, p. 6 ). When using
BAYHTRL325A with a TWE060*3 (5 ton)
air handler, the heater baffle must be
removed (see
Figure 3, p. 7 ).
3. Remove air handler access panel and control box
cover.
N No otte e:: Apply gasket to heater see heater gasket
installation sheet.
4. Place heater on air handler and secure in place with
the screws provided.
Figure 1. Top of air handler single blower
Figure 2. Top of air handler dual blower
Low Voltage Wires (24 Volts)
1. For Heaters with single stage heat, there will be 1
brown wire and 1 black wire.
2. For Heaters with two stage heat, there will be 1
brown wire, 1 black wire and 1 orange wire.
3. Route the 2 or 3 low voltage wires down through
the plastic bushing in the knockout #1 to the low
voltage terminal block see
Figure 4, p. 8 and Figure
5, p. 9 . Wire according to heater wiring diagram.
4. Wire ties and cable clamps supplied should be used