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Installation
d. Drill the three holes using a 3/16-inch bit. Do not install
the anti-rotation bracket.
8. To make the actuator control cable access hole, refer to
Figure 2, p.
9:
a. Drill a 1-1/2-inch diameter hole directly beneath the
damper shaft and out approximately 2-1/2-inches from
the damper assembly wall. The position of this hole
should be to the outside of the condenser coil
sheetmetal blockoff. On three condenser fan
applications, this hole will be located beside the
condenser coil area.
b. Insert the snap bushing into the access hole from the
top of the unit.
9. Locate the actuator cover, illustrated in
a. Assemble the two pieces together.
b. Position cover against damper assembly, and mark two
bottom anchor holes.
Figure 1.
Damper assembly mounting orientation and locations
8
10. If the unit being converted is a dual circuit system, repeat
11. To install the new damper actuator, illustrated in
Note: The mounting bracket must not bind or clamp the
Figure 3, p.
9:
12. Secure the bracket into place using two mounting screws.
c. Set the cover aside and drill the holes using a 3/16-inch
drill bit. Do not install the cover until the final checkout
is completed.
steps 2 through 9 for the low ambient damper assembly on
circuit 2.
p.
9:
a. Slide the actuator onto the new damper shaft (installed
in step 6). Do not tighten the actuator clamp to the shaft.
b. Install the anti-rotation bracket by inserting the
mounting bracket tab into the actuator slot.
actuator to the damper assembly. The mounting
bracket is used to prevent the actuator housing from
rotating.
Figure 4,
ACC-SVN137C-EN
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