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Installation & Operation Manual
30
4 Sidewall direct venting
Sidewall termination – optional concentric vent: Models 150 - 600
Multiventing sidewall terminations
When two (2) or more direct vent appliances are vented near
each other, each appliance must be individually vented (see
FIG. 4-13). NEVER common vent or breach vent this appliance.
When two (2) or more direct vent appliances are vented near
each other, two (2) vent terminations may be installed as shown
in FIG. 4-13. The next two (2) vent terminations must be at
least 36 inches away from the first two (2) terminations. It is
important that vent terminations be made as shown to avoid
recirculation of flue gases. Dimension A in FIG. 4-13 represents
the distance between pipes or rain shields, as touching or a 2
inch maximum separation.
Figure 4-13 Concentric Vent and Combustion Air Termination Dimension A as
Touching or 2 inches Maximum Separation
Figure 4-12 Concentric Vent Sidewall Attachment
DO NOT use field-supplied couplings to
extend pipes. Airflow restriction will
occur and may cause intermittent
operation.
9. Cement appliance combustion air and vent pipes to the
concentric vent termination assembly. See FIG. 4-12 for
proper pipe attachment.
10. Operate the appliance one (1) heat cycle to ensure
combustion air and vent pipes are properly connected to
the concentric vent termination connections.
CAUTION
Note: CVK3003 shown for illustration purposes.