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SDC / DHC Hydraulic Components
EN2H-0221GE51 R0808 157
The pulses for the amount of heat flowing through are counted,
e.g. 5 pulses within a minute. Through calibration via parameter
12, the actual thermal output in kW is calculated.
7.2.14 Charging pump (CHP)
This function is only active if the charging pump function was
assigned to one of the outputs "direct heating circuit pump",
"variable output 1"or "variable output 2" in the "Hydraulics" menu.
A charging pump to supply remote parts of the heating system is
active at every heating or hot-water demand to the heat
generator. It can be connected, through variable settings, at one
of the variable outputs or at the direct circuit pump output.
A charging pump connected to the central device under address
10 will run as soon as any demand is present on the data bus
(including all heating and hot-water circuits within the control
network).
A charging pump connected to an extension controller (address
20, 30 ... 50) runs only on demand from the heating circuit
associated with the respective control device.
To avoid a high-temperature safety switch-off of the heat
generator, a charging pump is switched off according to the set
time delay when a request to the heat generator is withdrawn.
5.4.1 "Hydraulics" menu (HYDRAULIC), Pg. 81
NOTE
Function
Bus system
Charging pump
extended running time
See also