Hydraulic Components

SDC / DHC

 

 

For stratified discharge, an optional second buffer tank sensor (PF2) can be connected to a variable input (VI1 to VI3).

The heat generator temperature is supplied by the temperature measuring device of the heat generator.

Function Buffer or energy tanks are used for storing energy that is available without control (e.g. from solar power system or wood boilers). This energy buffer covers the energy demand from heating circuits and hot-water systems.

Additional energy demand can be covered by controlled heat generators (boilers).

The buffer loading pump function ensures that a controlled heat generator supplies the additional energy to the buffer tank or the heating and hot-water circuits, respectively.

If no controlled heat generator is used (e.g. heating by wood boilers only), buffer functions such as forced dissipation into the heating circuits can be used by connecting and activating buffer sensor 1 to a variable input.

Control modes To support the full range of available combination options in multivalent heating systems with buffer support, the control system offers the possibility to set various control modes for buffer operation. The different settings cause different processing sequences of heat demand for heating circuit and hot water. In the following, the different control modes are illustrated using exemplary hydraulics layouts.

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Honeywell EN2H-0221GE51 R0808 service manual Sdc / Dhc
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EN2H-0221GE51 R0808 specifications

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