Field Controls 24 Vac System Control Kit CK-43 - Manual (Page 3)

Page 3
DRAFT CONTROL INSTALLATION
See Figure 4 for typical vent
system layout.
CAUTION: This draft control is
shipped as a single acting draft
control. If the draft control is not
being used on a gas draft induced
furnace, remove the gate stop on
the draft control ring before
installing.
C OLLAR I NSTALLATION
This control is shipped with a collar
patterned to fit a single wall round
vent pipe. To attach this collar to
the flue, see Figure 5 and follow
the instructions below.
1. Bend outward the two ears at
the front corners of the collar.
Bend 90 degrees, 1/4 inch
behind the single hole on the
straps.
2. Insert clamping screw in ears on collar and bolt the remainder of
the collar together.
3. Hold the collar against the side of the flue in the exact position it
is to be installed (shown by dotted lines) and mark the outline
of the collar on the flue.
4. Cut a hole in the flue about 1/2" inside of this outline.
5. Make a series of cuts about 1/2" apart from the edge of this hole
to the outline marks.
6. Strap the collar to the flue pipe.
7. Bend the tabs formed by the series of cuts outward against the inside of the collar to make a tight joint.
8. Refer to Insertion of Draft Control Section.
Figure 4
Figure 5