Replacement Parts List

page 3
TERMINATION LOCATION GUIDELINES
Mount intake hood 12" above finished 1.
grade. If mounting on the side of a
building prone to drifting snow, mount 12"
above the snow line.
Mount at least 12" from either side of the 2.
vent termination and on the same wall if
side wall venting.
Always mount with the inlet vent 3.
termination opening pointing down.
NOTE: Make sure hood is kept free of debris.
FOR LOW FIRING RATE APPLICATIONS 2.
WITH BURNER INPUTS UP TO .75 GPH
(CAS-2B ONLY)
Insert flow restrictor pan in the inlet collar a.
with the flat of the pan inward.
(See Figure 4)
Push the pan in all the way, b.
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)
Assemble VRV balance weight onto the 3.
gate. Screw the weight all the way in. Then
attach lock nut and knurl nut. (See Figure 7)
Mount the VRV assembly onto the tee and 4.
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)
Refer to Figure 9 for general 5.
installation layout.
Figure 6
Figure 5
Figure 4