MODEL 51240B/53540B/53640B/61240B/63540B/63640B
4
Interlock function
It has a function of interlock to realize only one valve in regeneration
but the other valves are in service while several valves parallel in system.
In multi-steps treatment systems such as RO pre-treatment, when several
valves are in series, there is only one valve in regeneration or washing to
ensure pass water all the times while different valves in regeneration or
washing.(Application refers to Figure 3-9)
Control signal output
There is a signal output connector on main control board. It is for
controlling external wiring (Refer to figures from Figure3-1 to Figure 3-8).
There are two kinds of output modes: b-01 Mode: Turn on at the start
of regeneration and shut off at the end of regeneration; b-02 Mode: Signal
is available only at 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 refers to Figure3-11)
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 diaphragm booster pump was
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