Blagdon Pump B75 Non-Metallic - Manual (Page 25)

s30nmdl2sm-rev0312 Model B75 Non-Metallic Design Level 2 Page 25
2/07 Model B75 Non-Metallic Design Level 2 Page 22
SOLENOID SHIFTED AIR
DISTRIBUTION VALVE OPTION
The solenoid shifted, air distribution
valve option utilizes electrical signals
to precisely control your pump’s speed.
The solenoid coil is connected to a
customer - supplied control.
Compressed air provides the pumping
power, while electrical signals control
pump speed (pumping rate).
OPERATION
The Solenoid Shifted pump has a
solenoid operated, air distribution valve
in place of the standard pump’s pilot
operated, air distribution valve. Where
a pilot valve is normally utilized to
cycle the pump’s air distribution valve,
an electric solenoid is utilized. As the
solenoid is powered, one of the pump’s
air chambers is pressurized while the
other chamber is exhausted. When
electric power is turned off, the
solenoid shifts and the pressurized
chamber is exhausted while the other
chamber is pressurized. By alternately
applying and removing power to the
solenoid, the pump cycles much like a
standard pump, with one exception. This
option provides a way to precisely
control and monitor pump speed.
BEFORE INSTALLATION
Before wiring the solenoid, make certain
it is compatible with your system
voltage.
Solenoid Connector
#2 Terminal
Neutral
(Negative) #1 Terminal
Power
(Positive)
3rd Terminal
for ground.
Wiring
Diagram
Before wiring,
remove terminal
block from conduit
connector.