32 Wilo SE 06/2020
en
Technical data
*
Pump operation in high ambient/fluid temperature may
affect hydraulic performances. Please contact Wilo.
Indicator
lights (LEDs)
•Signal display
• LED is lit up in green in normal operation
• LED lights up/flashes in case of a fault
(see chapter 10.1)
• Display of selected control mode
External control, Δp-c and constant speed
• Display of selected pump curve (I, II, III, or iPWM 1,
iPWM 2) within the control mode
• LED indicator combinations during the pump venting
function, manual restart and key lock
Connection voltage 1 ~ 230 V +10 %/-15 %, 50/60 Hz
Protection class IPX4D
Energy efficiency index EEI See rating plate (6)
Fluid temperatures at max. ambient
temperature + 40°C *
-20 °C to +95 °C (Heating/Geothermal)
-10 °C to +110 °C (Solar)
(with adapted frost protection mixture)
Max. operating pressure 10 bar (1000 kPa)
Min. inlet pressure at +95 °C/+110 °C
0.5 bar / 1.0 bar (50 kPa / 100 kPa)
iPWM 2
iPWM 1
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