STEP 7
Closing Speed Flow Adjustment: While free flow goes into the
upper chamber, the closing speed flow control restricts flow out of
the lower chamber of the main valve.
If valve closing is too slow, turn the adjustment screw OUT, coun-
terclockwise (See Figure 2B), increasing the rate of closing.
Figure 2
Flow Control
Counterclockwise to INCREASE
the rate of opening
Clockwise to DECREASE
rate of opening
2A
2B
STEP 8
At valve closure booster pump will stop. Adjust limit switch collar
to final position to ensure positive actuation of limit switch elec-
trical contact, if necessary, by sliding up/down to location (See
Figure 3).
Figure 3
Limit Switch in Closed Position
17
ES-ACV-LFM513-5 2115
© 2021 Watts
