Operator's Manual: Models CB-1500 & CB-2500 (230 V / 50 Hz)
4-22
Installing the Interior Stack
WARNING:
Single wall stack components may be used
only
for those portions of the stack
which are located inside your building and away from any fire/burn hazards.
1.
Install the single wall stack with proper clearances from combustibles. Also ensure that the stack
is located a safe distance from all shop personnel.
2.
Install an elbow or clean-out tee at the junction of the horizontal and vertical stack components
to allow for easy cleaning of the stack.
ATTENTION:
Avoid additional 90-degree turns in the stack. Each additional 90-degree turn
slows down stack gases, creates back-pressure, and results in repeated burner shutdown and
unnecessary service calls. All other turns in the stack should be at a 45-degree (or smaller) angle.
NOTE:
Local codes may require the installation of a clean-out tee.
Installing the Barometric Damper
1.
Refer to Figure 4L. Install a single wall tee (min. 24 gauge) after the 90-degree elbow in the straight
vertical stack section within 90 to 150 cm (3 to 5 feet) of the furnace breach. For horizontal stack runs
(Figure 4M) install the tee after the first straight section of pipe.
NOTE:
This tee is required to support the barometric damper. You must purchase this tee when
you purchase your stack materials (8" single wall tee - CB#70174).
2.
Refer to Figure 4N. Install the barometric damper in the opening of the tee. Use a small spirit level to
make sure that it is properly level.
3.
Install two self-tapping screws as shown in Figure 4N (i.e. one on each side of the barometric
damper) to hold the damper in place. DO NOT install a screw at the bottom of the barometric
damper, or the flapper of the damper will not operate correctly.
NOTE:
Specifications for adjusting the barometric damper for proper draft overfire are provided in
Section 8
of this manual.
Figure 4N - Installation of Barometric Damper
I88539
8" CLEAN BURN BAROMETRIC DAMPER
INSTALLED IN SINGLE WALL TEE
ADJUST THIS WEIGHT TO
OBTAIN PROPER DRAFT
1
No QTY PART #
DESCRIPTION
8" BAROMETRIC DAMPER
31170
1
1
Summary of Contents for CB-500 series
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