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Siemens Building Technologies Basic Documentation RVD230 CE1P2383en
HVAC Products Glossary 27.05.2004
Glossary
In this Basic Documentation, the following key terms are used:
Term Explanation
Heat converter Heat exchanger that, on the primary side, is con-
nected to the district heat network and that, on the
secondary side, delivers the hot water to a pre-
controlled or common flow. The flow then supplies
the hot water to several consumers that are con-
trolled by zone controllers, etc.
Heat exchanger Heat exchanger that delivers heat directly to the
consumers (e.g. space heating, d.h.w. heating,
etc.).
Term Explanation
Storage tank charging pump Pump that supplies tap water via the heat ex-
changer into the storage tank where it is made
available as d.h.w.
System pump Pump that supplies water from the heat source
(heat converter) to the consumers. The pump can
be located either in the flow or the return.
Intermediate circuit pump Pump that supplies water as a heat conducting
medium. The water transfers its heat via a coil or
storage tank to the d.h.w. without getting in direct
contact with it.
Term Explanation
Coil type storage tank
2383S33
Instantaneous d.h.w. heating (via
heat exchanger)
2383S34
Stratification storage tank
2383S35
Storage tanks Common term used for coil type and stratification
storage tanks.
Heat source, heat
generation
Pumps
D.h.w. heating
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