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Hydraulic Components SDC / DHC
154 EN2H-0221GE51 R0808
• Offset 0 - 100%
• Default value 0%: Represents the valve start-up value (degree
of opening) in %. It functions as an offset to the current valve
position (0% means no accessing of the valve)
• DT
min
: 2 … 20 K, factory value: 5 K
In case of a defect, the tank sensor or flow sensor switches off to
prevent scalding.
If hot-water loading is not activated, there is no setpoint for the
mixed heating circuit. The setpoint for the mixed heating circuit is
mandatory.
7.2.8 Mode of operation of hot-water control mode "external
operation"
If the energy supply for hot-water loading is not provided through
the district heating valve, no hot-water demand may be sent to the
heat generator. The following setting needs to be selected for this
case:
"Hot Water Circuit" menu, parameter 07 ("Hot-Water Circuit"
control mode) = 7 (external operation)
The hot-water pre-control is part of the hot-water loading.
Consequently, the request from storage control is forwarded to
the hot-water pre-control, which acts according to its function.
In the "Hot-Water Circuit" "External Operation" control mode, the
setpoint value from the hot-water pre-control is not forwarded to
the energy management unit (or the district heating valve).
Set value
Function