B-SERIES INSTALLATION, OPERATION AND SERVICE MANUAL
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Step 12.3.13
12.4 Inlet Hood Installation
The inlet hood may be installed either onto the inlet of the air handler or to an outside wall.
12.4.1 Inlet Hood Installation to Wall
Use lagbolts to install the inlet hood to an exterior wall. Once the inlet hood is in place, the edges must be
sealed to the wall with the proper sealant. For models 2010 - 2030, assemble the hood prior to mounting,
then mount as described below.
12.4.2 Inlet Hood Installation to Air Handler (2005)
First remove the hardware in the top drip edge of the air handler. Tuck the top flange of the hood behind the
top drip edge. See Page 64, Figure 25. Replace the hardware, screw together the top drip edge of the air
handler, top flange of the inlet hood and the air handler wall panel.
NOTE: After installing the inlet hood, all hardware must be tightened with a torque wrench. The roof, side and
bottom seams must be caulked (supplied by others).
12.4.3 Inlet Hood Installation to Air Handler (2010 - 2030)
Inlet hoods are assembled onto the air handler. For Models 2010 and 2010B See Page 46, Step 12.2.1. For
Models 2020 and 2030 See Page 55, Step 12.3.1.
FIGURE 25: Inlet Hood Positioning
Moisture Limiter
Side Cover
Outer Support Rail
Place the moisture limiter frame side cover to the flange at the
top overlaps the top of the frame. Attach to the inlet hood drip rail
using eight TEK screws. Attach to the bottom pan assembly and
top with two #10-24 x ½" bolts and #10-24 nuts each. Attach
front stiffeners to the left and right side of the moisture limiter
frame using four TEK screws for each support.
Description Part Number
Right Side Cover 13205079 / 13305079
Outer Support Rail 13205098 / 13305098
TEK Screw 13404
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