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3.2 Function
Application range:
Consumer circuits with a
●
considerably lower flow
temperature than the boiler
flow temperature
Consumer circuits with high
●
flow rates, e.g. radiant floor
heating and radiant panel
heating systems
6
3-way mixing valve with bypass 0-50%
The flow temperature of the heating circuit is controlled by
the integrated mixing valve. Hot water from the boiler and
cold return water are mixed to obtain the desired flow
temperature of the heating circuit. The mixing valve is
adjusted via an external controller in combination with an
electric actuator.
Due to the premixing rate that must be adjusted at the
bypass of the mixing valve, a certain amount of cold return
water is added to the flow water. The 3-way actuator can
thus work over the whole adjustment range (0-100 %),
although only a small amount of water from the boiler is
necessary.
Example: Panel heating systems operate on a low
temperature level with small temperature differences, but
with high flow rates. It is therefore sufficient to add a small
amount of hot water to the "warm" return water.
993x063x-mub-en - V04
3
Product description
02/2023
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