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8 WILO SE 11/2015
4 Intended use
The circulation pumps in the Wilo-Stratos PICO series are
designed for warm water heating systems and similar systems
with constantly changing volume flows. Approved fluids are
heating water in accordance with VDI 2035, water/glycol mix-
ture at a mixing ratio of max. 1:1. If glycol is added, the delivery
data of the pump must be corrected according to the higher
viscosity, depending on the mixing ratio percentage.
Intended use of the pump/installation also includes following
these instructions.
Any other use is regarded as incorrect use.
5 Product information
5.1 Type key
Example: Wilo-Stratos PICO 25/1-6
Stratos PICO High-efficiency pump
25 Threaded connection DN 25 (Rp 1)
1-6 1 = Minimum delivery head in m
(adjustable down to 0.5 m)
6 = Maximum delivery head in m
at Q = 0 m³/h
5.2 Technical data
Connection voltage 1 ~ 230 V ± 10%, 50/60 Hz
Protection class IP See name plate
Energy efficiency index (EEI) See name plate
Water temperatures at max. ambient
temperature of +25 °C
+2 °C to +110 °C
Water temperatures at max. ambient
temperature of +40 °C
+2 °C to +95 °C
Water temperatures at max. ambient
temperature of +60 °C
+2 °C to +70 °C *
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