Xylem MM 611C Model FS8-WG-SL Flow Switch - Manual (Page 4)

4
STEP 5 - Making Electrical Connections
a. Apply pipe sealing compound or PTFE tape
to the threads (U) of a 1/2” (15mm) NPT pipe.
U
b. Insert the three (3) wires (V) extending from
the flow switch adapter (W) into the pipe (X).
V X W
c. Insert the pipe (X) into the adapter (W) and
finger tighten.
X W
d. Place a pipe wrench (Y) on the pipe (X) and
another pipe wrench (Z) on the adapter (W).
While keeping the adapter (W) stationary,
tighten the pipe (X) into it.
Y
X
Z
W
c. Insert the flow switch (Q) into the pipe tee (L)
or pipe half coupling (N), depending on your
installation. Turn the flow switch (Q) two (2)
or three (3) revolutions by hand.
Q
L N
Q
d. Place a 1 3/8” (35mm) open end box wrench
(R) on the hex (S) and tighten the flow switch
(Q). The final position of the flow arrow on the
side of the hex (T) must be parallel to the pipe
and in the same direction as the flow.
FLOW
Q
R
T
S
PTFE