Combustion Air Requirement, Scfm; Maintenance - Patterson-Kelley DVSCM-02 Owner's Manual

®
Thermific Gas-Fired Boiler
When the chart is completed, set up your boiler's
combustion to the corresponding information at the
temperature relative during the time of the start up.
Enter your 100º F
operational range.
Important: measure combustion air temperature at the
unit; do not assume the combustion air temperature is
the same as the outside air temperature.
% Oxygen % Carbon
Dioxide
8 7.2
7.9 7.3
7.8 7.4
7.7 7.4
7.6 7.5
7.5 7.5
7.4 7.6
7.3 7.6
7.2 7.7
7.1 7.7
7.0 7.8
6.9 7.8
6.8 7.9
6.7 8
6.6 8
6.5 8.1
6.4 8.1
6.3 8.2
6.2 8.2
6.1 8.3
6 8.3

4.2.1 Combustion Air Requirement, SCFM

Series Series
700 1000
170 251

5.0 MAINTENANCE

Maintenance procedures for the Direct Vent option are
the same as for the standard Thermific® model. Refer
to the Thermific Installation and Owner's Manual.
"TBIG," latest edition.
Page 10
Operation/Maintenance
Series Series Series
1200 1500 1700
291 364 413
Series
2000
501