200 m² floor space). The power of the ecocirc
pump must not be
adjusted by applying phase trimming ("pulsing") to the supply voltage.
3. Dimensions (see figure 1a- 1b)
4. Technical Specifications
Energy Efficiency Index
(EEI)*
see label on the
front page
see label on the
front page
Permitted temperature
range of pumped fluid**
Permitted pumping
media***
Heating water according to VDI 2035,
water/glycol mixtures
* The benchmark for the most efficient circulators is EEI ≤ 0.20
** Must not freeze. To avoid condensation the fluid temperature must always
be higher than the ambient temperature. For Domestic Hot Water
applications the max fluid temperature is 85°C
*** Performance of the pump will noticeably change when pumping
water/glycol mixtures with concentrations higher than 20%.
5. Characteristic Curves (see figure 2a + 2b +2c)
6. Installation Advice
The installation of a stop valve upstream and downstream of the pump
is recommended so the pump can be replaced at a later time without
the need to completely drain the system.
7. Installation
The unit must not be installed in areas where there is a
danger of explosion and must not be used to pump
flammable liquids.
Figure 3: Only install in dry, frost-proof rooms in one of the permitted
fitting positions.
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