Aqua HC 899 Instrukcja programowania - Strona 3
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ENGLISH
INTRODUCTION
HC897-899 are constant flow rate dosing pumps.
probe, placed in the bottom of the case.
panel of the pump. It is possibile to reduce the range of trimmer from 0 to 20% following the procedure described in
Programming paragraf.The front panel is also equipped with a red flashing led, that can indicate:
Flashing led with trimmer at every position exept 0%: each flashing correponds to a single injection of the pump
Flashing led with trimmer at 0%: a fast flashing indicates that the range of trimmer is from 0 to 100% a slow
flashing indicates that the range of trimmer is from 0 to 20%
Fixed led: low level alarm is activated. Please note that alarm has 5 seconds of waiting before activating or
disactivating
Fast Flashing led with trimmer at every position exept 0%: a fast flashing without pump impulses indicates a
protection condition dued to over-heating of magnet, the pump comes back automatically to normal function
when the temperature decreses
PROGRAMMING
HC897-899 programming is based on setting of number of pulses per minutes. The number of pulses per minutes will
change the flow rate of the pump. It is possibile to modify the number of pulses per minutes using 2 range: Complete 0-
100%, Reduced 0-20%.
To change the range of trimmer proceed as follow:
Put the trimmer at minimum 0%
Flashing frequency indicates the actual dosing range: fast flashing = 0-100%, slow flashing 0-20%
Turn the trimmer clockwise ann reach the maximum of range then within 2 second turn back the trimmer to
minimum 0%
Flashing frequency has changed to indicate the new dosing range, if necessary repeat procedure.
23/11/2015
They are equipped with an ON / OFF switch and a connector for level
The flow rate can be adjusted from 0 to 100% with a trimmer placed in the front
ADSP9000021 Rev.1.2
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