3.
Terminate the test program with
"
BACK
".
Checking the direction of rotation of the mixer motor
Mixer motor for Viessmann mixer DN 20 to 50 (welding version
–
Part no.
7450 657, accessory)
A
Plug in the mixer motor
&
Test:
When carrying out a relay test of the
control unit (see page 79), the mixer
is set to "
Open
" and "
Close
"
&
Changing the rotational direction:
Turn plug
A
by 180°.
&
Manual mixer adjustment:
Lift and disengage the mixer han-
dle.
Rated voltage:
230 V
∼
Rated frequency:
50 Hz
Power consumption:
4 W
Protection:
IP 32 in ac-
cordance
with
EN 60529
Torque:
3 Nm
Runtime for 90°
∢
120 s
Further details regarding the individual steps
(cont.)
52
Commissioning, inspection, maintenance
55
92
901
GB
Summary of Contents for VITOCAL 300
Page 19: ...Connection diagram Open CLOSE System version 1 cont 19 Preparing for installation 5592 901 GB...
Page 22: ...Connection diagram Open CLOSE System version 2 cont 22 Preparing for installation 5592 901 GB...
Page 137: ...Control PCB 137 Connection and wiring diagrams 5592 901 GB Service...
Page 140: ...Parts lists cont 140 Parts lists 5592 901 GB...
Page 141: ...Parts lists cont 141 Parts lists 5592 901 GB Service...
Page 159: ...159 5592 901 GB...