Runxin F79A-LCD - 3.2. The Function and Connection of PC Board

MODEL 82602-F79A-LCD/82602B-F79B-LCD/82604-F82A-LCD/82604B-F82B-LCD
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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:
Function
Application
Explanation
Signal
output
connector
b-01
Outlet solenoid
valve
To strictly require no hard water
flow from outlet or controlling the
liquid level in water tank.
Inlet pump
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.