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16. CIRCULATION PUMP INFORMATION
1. Energy Efficient Pump (Optional)
Indicator Lights (Leds)
Signal display
LED is lit up in green in normal operation
LED lights up/flashes in case of fault
Display of selected control mode Δp-v, Δp-c and
con-stant speed
Display of selected pump curve (I, II, III) within the
control mode
LED indicator combinations during pump venting
function, manual restart and key lock
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