UTICA BOILERS DV-B Series, Дополнение

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B. Examine vent or chimney cleanouts to make sure they remain tightly closed when not
in use. Make sure vent or chimney passageway is clear and free of obstructions. Look for
evidence of condensate or deterioration in vent or chimney. Either of these means an
inadequate vent.
C. If you find an inadequate vent or chimney, do not leave it as is. Repair or replace
it. A new vent must meet these instructions and the latest revision of the National Fuel Gas
Code ANSI Z223.1/NFPA 54.
PAGE 16
FIGURE 16
VER VER VER VER VERTICAL TICAL TICAL TICAL TICAL VENTING INST VENTING INST VENTING INST VENTING INST VENTING INSTALLA ALLA ALLA ALLA ALLATION FOR (TYPE B TION FOR (TYPE B TION FOR (TYPE B TION FOR (TYPE B TION FOR (TYPE B VENT)* VENT)* VENT)* VENT)* VENT)*
MODEL D1 D2 D2
MIN MAX
DV50 4" 4" 5"
DV75 & 100 4" 4" 6"
DV125 4" 4" 8"
DV150 - 200 4" 5" 8"
NOTE: See below*
*
The information contained in this figure is only one of many possible vertical
venting configurations. Follow appropriate sections of NFGC for proper
venting practice for category 1 appliances.