MODEL: N74A1-63510/N74A3-63610/N74B1-63510B/N74B3-63610B
4
Signal output
There is a signal output connector on main control board. It is for
controlling external wiring (Refer to Figure from Figure 3-1 to Figure 3-8).
There are two kinds of output modes. b-01 Mode: Turn on start of
regeneration and shut off end of regeneration; b-02 Mode: Signal available
only intervals of regeneration cycles and in service.
Remote handling input
This connector can receive external signal, used together with PLC,
and computer etc. to control the valve. (Application refer to Figure 3-11)
Pressure relief output
The valve will cut off feeding water to drain line when it switches in
regeneration cycles (Same as signal output b-02). Thus in some water
treatment system, e.g. Deep Well, one booster pump was installed on the
inlet to increase the system water feeding pressure, this cut-off will cause
pressure on inlet rising too fast to damage the valve. Pressure Relief
Output can be used to avoid this problem. (Application refer to Figure 3-10)
Maximum interval regeneration days
Under the situation of service reaching the setting days and the
volume not yet, it could enter into regeneration process forcibly when
current time is the same as regeneration time.
All parameters can be modified
According to the water quality and usage, the parameters in the
process can be adjusted.
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