12
■
VENTILATION
9-1/8"
11-1/2
"
15"
7"
3-3/8
"
10-3/4"
9-1/8"
11-1/2"
A
Front
A
B
B
Rear Wall
Figure 20 – Floor Venting
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* See Step 8
*
*
1.
Floor ducting with an integral blower requires ducting
to the left within the area shown in Figure 20. Floor
joists may be avoided by rotating the blower and using
Elbow Model #STL90R, (purchased separately). See Table
1, Page 17.
2.
Secure the rear mounting rod in position "A". The
rear mounting rod has preset nuts on each end. Tighten
nut against plenum.
3.
Secure the front mounting rod in position "A". The
front mounting rod has one preset nut which shall be
tightened against plenum.
4.
Place blower inlet over plenum outlet ring (Figure
14), temporarily supporting blower with wood blocks.
5.
Place slot end of blower mounting bracket over
rear mounting rod lower nut.
6.
Rotate blower mounting bracket under blower for
support removing wood blocks as necessary.
7.
Place hole in blower mounting bracket over front
mounting rod and secure tightly with nut provided. Insure
gasket between blower and plenum is compressed.
8.
A short 90
°
Elbow Model STL90R (see page 17) is
available when integral blower exit hole through floor is
9-1/8" from centerline in Figure 20. A standard 6", 90
°
elbow shall be used when hole is more than 9-1/8"
from .
INTEGRAL BLOWER - FLOOR DUCTING
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Summary of Contents for RDDS30V
Page 16: ...16 BLOWER DUCT SIZING...
