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Air Boot™ with the holes in the
housing and re-attach the oil pump.
(See Figure 3) Important: Replace
pump coupling with the coupling
supplied with kit or pump operation
problems may occur. Note that the
Air Boot™ may be oriented either
vertically or horizontally as space
allows. The round spacer plate
attached to the Air Boot™ must be
removed and rotated 90° if vertical
mounting is needed.
2. FOR LOW FIRING RATE
APPLICATIONS WITH BURNER
INPUTS UP TO .75 GPH (CAS-2B
ONLY)
a. Insert flow restrictor pan in the
inlet collar with the flat of the
pan inward. (See Figure 4)
b. Push the pan in all the way,
approximately 5/8" from the air
adjustment blades. (See Figure
5) Mount VRV tee assembly or
90° elbow onto the Air Boot™
intake. Fasten using three (3)
sheet metal screws spaced
120° apart on all joints. (See
Figure 6)
3. Assemble VRV balance weight
onto the gate. Screw the weight all
the way in. Then attach lock nut
and knurl nut. (See Figure 7)
4. Mount the VRV assembly onto the
tee and fasten with a screw and
nut in collar tabs. To ensure
proper operation, check the gate
for being level across the pivot
points and plumb. (See Figure 8)
5. Refer to Figure 9 for general
installation layout.
T
L
ERMINATION
OCATION
1. Mount intake hood 12 inches above
finished grade. If mounting on the
side of a building prone to drifting
snow, mount 12 inches above the
snow line.
2. Mount at least 12 inches from either
side of the vent termination and on
the same wall if sidewall venting.
3. Always mount with the inlet vent termination opening pointing down.
NOTE: Make sure hood is kept free of debris.
G
UIDELINES
Page 3
Figure 4
Figure 5
Figure 6
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