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18-13
A2677 Rev 1.5
X20 Sprayer Reference Manual
The Dickey-John setting is for the Dickey-John Regulator Valve and
is very fast. The same principles apply in setting up or tuning the
system, just the numbers will be different. Note that the PWM
settings have an entirely different range of settings. If good control
cannot be achieved with the set of values available for that valve, try
another set. The settings groups are simply optimized for the valve
indicated. Different models may require different settings, although
they are from the same manufacturer. (See Raven below).
The Raven setting is for the Raven Fast Flow valve only. The normal
Raven system uses the Standard settings. The Fast Flow valve MUST
have the PWM set to 100%. Any reduction of the PWM results in
the valve operating very slowly due to the control electronics in the
valve. This valve operates fully closed to fully open in 1.5 seconds
and is used for the dump as well as the control. Because it is the
dump valve as well as control, the Close Valve When Flow Off option
needs to be ticked.
This valve can be difcult to setup, but the Max and Min values and
the Gain settings are the only settings that can be changed. Setting the
(Flow Meter) Sensitivity to Reduced may help. The Sprayers tted
with this valve usually have an under-rated pressure relief system and
it is recommended to install another adjustable relief valve.