Bell & Gossett DN0137D Domestic Pump Vacuum & Boiler Feed Unit Series VCMD - Manual (Page 2)

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Domestic ® Series VCMD ™ Combination Boiler Feed
and Vacuum Units
Style CMHD-A vacuum unit mounted on horizontal steel boiler feed receiver.
Style CMHD-B vacuum unit with separate horizontal steel boiler feed receiver.
Style CMVD-A vacuum unit mounted on vertical steel boiler feed receiver.
Style CVM vacuum unit with separate cast iron boiler feed receiver.
FIG. 1 REPRESENT ATIVE PIPING DIAGRAM - VCMD
Style CMHD-A with vacuum unit mounted on
horizontal steel boiler feed receiver, and returns
above receiver inlet. Refer to separate diagram
for piping between boiler feed pump(s) and
boiler(s).
FIG. 2 REPRESENT ATIVE PIPING DIAGRAM - VCMD
Style CMHD-B with separate vacuum unit and
horizontal steel boiler feed receiver, returns above
receiver inlet. Refer to separate diagram for piping
between boiler feed pump(s) and boiler(s).
FIG. 3 REPRESENT ATIVE PIPING DIAGRAM - VCMD
Style CVM with separate vacuum unit and cast ir on
boiler feed receiver, returns above receiver inlet. Refer
to separate diagram for piping between boiler feed
pump(s) and boiler(s).