Filter
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4. The controller for units in an air series should be located
as shown in Fig. 28.
5. Volume controllers for units in an air series must be con-
nected from master to slave units in the same air series;
they must not be connected to units in a different air
series from that of the master unit. See examples shown
in Fig. 29 and 30.
6. To connect slave units with control tubing, use the end
bellows fittings only; do not attempt to use the 0.25 molded
connection on the filter. See Fig. 31 for examples of con-
trol tubing connections.
C—Controller
Fig. 28 — Location of Volume Controller on Units in an Air Series
C—Controller
Fig. 27 — Location of Volume Controller
on Single Unit
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