16
Automatic Control
Make sure the Control Mode toggle switch SW17 is in the lower
AUTO
position (item 8 in Figure 7),
so that the Dripmaster automatically stabilizes the preset drip rate. At the end of each 60 second
interval, a short correction command is given only if there is a deviation from the desired preset drip
rate.
The valve closes if the actual drip rate is 2 drips/minute or more than the preset value.
The valve opens if the actual drip rate is 1 drip/minute less than the preset value.
Setting Normal (pump on) Mode Drip Rates
During normal operation (when the well pump is operating), the drip rate is selectable for drip rates
of 20, 25, 30, 35, or 40 drips/minute (Figure 7).
The toggle switch positions for each drip rate are shown below.
20 dpm toggle switch setting
20 25 30 35 40
1
2
4
8 10
25 dpm toggle switch setting
20 25 30 35 40
1
2
4
8 10
30 dpm toggle switch setting
20 25 30 35 40
1
2
4
8 10
Summary of Contents for Dripmaster EDD-4C
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