Viessmann Vitotronic 200 KW2 Installation And Service Instructions Manual page 64

Weather-compensated, digital boiler and heating circuit control unit
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Components
Extension kit for mixer circuit
Mixer motor,
part no. 7450 657
A Plug in the mixer motor
Y Mixer open
B Mixer close
Checking the direction of rotation
When carrying out a relay test of the
control unit, the mixer is set to open
and close (see page 25).
64
(cont.)
A
Specification
Rated voltage:
Rated frequency:
Power consumption: 4 W
Protection:
Torque:
Run−time for 90ºí: 120 s
230 V~
50 Hz
IP 42
3 Nm

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