LP-446-r4 Rev. 10.12.16
28
All vent pipes must be glued, properly supported, and the
exhaust pitched a minimum of 1/4” per foot back to the boiler to
allow drainage of condensate. When placing support brackets
on vent piping, the first bracket must be within 1 foot of the
boiler and the balance of 4 foot intervals on the vent pipe.
Venting must be readily accessible for visual inspection from
the first three feet from the boiler.
NOTE:
These drawings are meant to demonstrate system
venting only. The installer is responsible for all equipment and
detailing required by local codes.
Figure 18 - Unbalanced Venting - Roof Exhaust and Sidewall Intake
An unbalanced vent system can be installed ONLY when the
exhaust is in the vertical position. Failure to do so could result in
serious personal injury or death.
Figure 19 - Roof and Sidewall Venting with Stainless Steel
Take extra precaution to adequately support the weight of vent
pipes terminating through the roof. Failure to properly support
roof terminated vent piping could result in property damage,
serious personal injury, or death due to flue gas leakage.
Summary of Contents for MODCON500
Page 35: ...LP 446 r4 Rev 10 12 16 35 Figure 29 Cascade Master and FollowerWiring...
Page 57: ...LP 446 r4 Rev 10 12 16 57 Figure 35 500 Model Combustion System Replacement Parts...
Page 58: ...LP 446 r4 Rev 10 12 16 58 Figure 36 700 850 Models Combustion System Replacement Parts...
Page 60: ...LP 446 r4 Rev 10 12 16 60 Figure 38 Cabinet Replacement Parts All Models...
