Grundfos Alldos DDI 209-222 Data Booklet - WES Dosing Products
Grundfos Alldos DDI 209-222 Data Booklet - WES Dosing Products
Grundfos Alldos DDI 209-222 Data Booklet - WES Dosing Products
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Functions<br />
<strong>DDI</strong><br />
Menu<br />
Menu, first level<br />
Pump is not running<br />
(indicator light is red)<br />
Pump is running<br />
(indicator light is green)<br />
Manual control<br />
Set dosing rate (percentage of<br />
maximum dosing rate).<br />
Contact signal control<br />
Set dosing amount per stroke (setting<br />
range: 2% to 400% of the volume per<br />
stroke).<br />
Analog control<br />
0-20 mA<br />
<strong>Dosing</strong> rate proportional to current signal<br />
< 0.2 mA Pump stops.<br />
0.2-20 mA <strong>Dosing</strong> rate proportional to current signal.<br />
≥ 20 mA Continuous operation at maximum dosing<br />
rate.<br />
Analog control<br />
4-20 mA<br />
<strong>Dosing</strong> rate proportional to current signal<br />
< 2 mA Fault signal switches on.<br />
Display -> "ERROR".<br />
LED flashes red.<br />
< 4.2 mA Pump stops.<br />
4.2-20 mA <strong>Dosing</strong> rate proportional to current signal.<br />
≥ 20 mA Continuous operation at maximum dosing<br />
rate.<br />
TM03 4453 2106<br />
Fig. 9 Menu, first level<br />
10
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