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3.2 Bypass (secondary)<br />
The default setting for the bypass is the closed position. Adjustment instructions are found in the following table (open by turning to the left).<br />
Bypass – open<br />
(rotations)<br />
3.3. Bypass (primary)<br />
In default setting without function on delivery.<br />
For initial operation:<br />
Unscrew bleeder valve (1). Unscrew the threaded pin (2) (Allen wrench) and refit the bleeder valve.<br />
see Fig. 6.6<br />
4. Technical Data<br />
0.5 1 1.5 2 3 4 5 6<br />
Volumetric flow 30% 44% 71% 82% 92% 96% 98% 100%<br />
see Fig. 6.5 1 Bypass (primary) 2 Bypass (secondary) A Heating circuit B Boiler<br />
Technical data <strong>Thermix</strong><br />
Reference no. pump<br />
27400 UPS 15/50 MBP<br />
27401 HU 15/4-2-3<br />
27401.1 HU 15/6-2-3<br />
Upper connection 3/4“ AG<br />
Lower connection 3/4“ AG Eurokonus<br />
Components made of press brass, brass, EPP insulation<br />
Dimensions approx. H x W x D 280 mm x 225 mm x 165 mm<br />
Sealing material O-ring EPDM<br />
Operating pressure up to 6 bar<br />
Kvs value 2.8<br />
see Fig. D1 and D1.1 Fig. D1<br />
A Volumetric flow - pressure loss diagram -<strong>Thermix</strong><br />
B Pressure loss (bar)<br />
C Volumetric flow [l/h]<br />
Fig. D1.1<br />
A Bypass volumetric flow - <strong>Thermix</strong> with pump discharge head at 6 mWs<br />
B Volumetric flow [l/h]<br />
C Bypass position (rotations) (0 = closed, 6 = open)<br />
16<br />
GB