MODEL 63504-F63C1/63604-F63C3/73504-F68C1/73604-F68C3
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3.2. The Function and Connection of PC Board
Open the front cover of control valve, you will see the main control board
and connection port as below:
The main functions on main control board:
Signal
output
connector
b-01
If system strictly require no hard water
flow from outlet or controlling the liquid
level in water tank.
Increase pressure for regeneration or
washing.
Use the liquid level controller to control
inlet pump to ensure there is water in
tank.
Signal
output
connector
b-02
Inlet solenoid
valve or inlet
pump
When inlet pressure is high, it needs to
close water inlet when valve is rotating
to protect motor.