Install Instructions

STEP 6 - Adjustment
HOUSING
CAP
“A”
ADJUSTING SCREW
“B”
FLOW
FS7-4E / FS7-4W
Illustrated
Adjustment is necessary only if required flow/no flow set-
points are above factory set minimum.
a. Unscrew housing cap (A) using a flathead screwdriver.
b. Turn the adjusting screw (B) clockwise to
increase setpoint.
c. Replace housing cap (A) and tighten to approximately
11 ft•lb (15 N•m) torque.
d. Test the operation of the flow switch after
each adjustment.
Screws
10
• These screws are for factory adjustment only.
• Adjusting these screws in the field can cause the flow switch
to become inoperative.
!
CAUTION
IMPORTANT: Do not attempt to lower flow switch
setpoint from original factory minimum setting.
Lowering (turning adjusting screw counterclock-
wise) the setpoint from original factory setting
may cause erratic flow switch operation.