•
Switch on the circulating pump of the heat source
and allow to run…
•
After 2 minutes, with the circulating pump running,
turn wrench clockwise until the regulator of the
servo-motor is at 100 %…
Leave at this setting for 2 minutes…
•
With the circulating pump running, turn wrench
counter-clockwise until the regulator of the servo-
motor is at 50 %…
Turning the regulator to 50 % means an even mix
-
ture in the 3-way mixing valve from A and B to AB.
Reset servo-motor of the mixing valve to automatic
as soon as bleeding is completed.
NOTICE:
Push switch on servo-motor up.
Overflow valve
Set the overflow valve so that the spread between the for-
ward and return flow is ≤ 10K (set at the factory to 200
mbar and sealed by paint).
BLEEdING THE HEAT SOURCE FOR A UNIT wITH COOL-
ING FUNCTION
The bleeding must be conducted manually.
Proceed as follows:
Release the servo-motor at the mixing valve inside
the unit…
Push switch on servo-motor down…
Adjust mixing valve…
Use the wrench included in the scope of delivery.
Alternatively: Use a size 6 Allen wrench.
•
Insert wrench in the servo-motor…
•
Turn wrench counter-clockwise until the regulator
of the servo-motor is at 0 %…
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