Operating instructions

Extension kit for heating circuit with mixer
Checking the rotat ional direction of
the mixer motor
1.
Switch the ON/OFF switch A at
the extension kit f irst OFF and then
ON again. The dev ice will carry out
the following self-test:
&
Mixer "Close" (1 50 s)
&
Pump "ON" (10 s)
&
Mixer "Open" (10 s)
&
Mixer "Close" (10 s)
Standard con trol mode then r ecom-
mences.
2. Observe the rotational direction of
the mixer motor during its self-test.
Then set the mixer manually to
"Open" again.
Note
The flow temperature sensor must
now capture a hig her temperature .
If the temperature falls, either the
motor is turnin g in the wrong direc-
tion or the mixer s et is incorrectly
fitted.
Mixer installation instruc-
tions
Changing the rotational direction of
the mixer motor (if required)
1.
Danger
An electric shoc k can be
life-threatening.
When openi ng the equip -
ment, switch OFF the ON/
OFF switch and mains vol-
tage, for example at the fuse
or the mains isolator.
2. Remov e the lower and u pper hous-
ing cover of the extension kit.
Extension kit installation
instructions
3.
A ON/OFF switch
B Rotational direction switch
Change the rotational direction
switch:
Repairs (cont.)
88
Troubleshooting
5692 619 GB