EW-Y, the WebMaster monitors the when the pump is on and compares it to
the signals from the PosiFlow. Superior to the pump alone, in this set-up, you
can calibrate, monitor and display the amount of chemical being pumped, in
addition to triggering an alarm if the pump loses prime, and/or start a backup
pump.
3. A PLC is the third most common interface with a PosiFlow. The connection
and use is virtually the same as the WebMaster, however the signal from the
PosiFlow can be integrated into the PLC programming in whatever way suits
the needs of the system.
e. How do I order/specify the PosiFlow®?
1. Select the best materials of construction for the application based on the pump
liquid end and choose from the (4) models:
a. FCP-1VC (PVC & FKM)
b. FCP-1VE (PVC & EDPM)
c. FCP-1PC (GFRPP & FKM)
d. FCP-1PE (GFRPP & EDPM)
Wiring, Programming & Installation Setup
a. The PosiFlow requires 12 VDC power. When connecting directly to the EW-Y series
pumps, the power is supplied from the pump. 12 VDC is also available in the
WebMaster controllers as well.
b. Installation of the sensor itself is directly into the Manual Air Vent Valve (MAVV) of
E Series pump sizes 11,16,21. It simply replaces the knob used to open and close the
valve. Turning the sensor replaces the function of the knob. The PosiFlow can also be
used to replace the knob in the MFV as this is the same knob.
1. The MAVV of the B31, C31 and C36 size pumps is different and will not
accept the PosiFlow directly. In this case, an in-line tubing adapter (P/N
E90600) can be used to place the PosiFlow into the discharge tubing. NOTE:
Keep the tubing adapter to within 6” of the pump discharge.
2. Similarly, using the PosiFlow with pumps that have the Auto Air Vent Valve
(AAVV) also require a tubing adapter (P/N E90599) as the knob in this valve
is different and is used for the gas venting feature.
a. Wiring of the PosiFlow sensor is simple. The BLACK wire is for
common, the RED wire is for the 12 VDC power supply, and the
WHITE wire is the signal wire. Below is a brief schematic of the signal.
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