FCS300 Series Manual
Revision D / June 2020
Page 7 of 34
Safety
Due to material contents being under pressure, eye protection is required for operators. All
spray valves should be used in a well-ventilated area. For additional precautions, refer to
the MSDS sheet for the dispensed material.
Setup
The FCS300 Series requires a 2-position, 4-way air solenoid valve to actuate the air
section. The valve should be operated with clean, dry air between 60-100psi. Two #10-32
threaded air ports are located on the air section of the valve. The port located furthest from
the midsection of the valve is air to close the valve. The port located closest to the mid-
section of the valve is air to open the valve. Quick connect air fittings are typically supplied
with the FCS300 Series to fit 5/32” tubing.
Note: The valve should normally be in the closed position.
Atomizing air is connected to the #10-32 threaded port located on the fluid section. Quick
connect air fittings are typically supplied to fit 5/32” tubing. Atomizing air should be
connected such that it turns on only when the valve is cycled to the open position. There
are two configurations that can be used to connect atomizing air. The first configuration
uses a Single Solenoid with a one output used to simultaneously open the valve and
pressurize the atomizing air regulator. The second option uses a Dual Solenoid
configuration to allow independent control of the atomizing air.
Fluid is supplied to the FCS300 Series through the 1/8”fnpt port located on the stainless
steel fluid section of the valve.
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