7.2.1 Circulation return flow in heat exchanger
When the
Circulation return flow in heat exchanger
function is active, the control process using
the 'DHW day set point' remains active according to the time schedule even when the tempera-
ture T = 'DHW day set point' + 'Hysteresis' has been exceeded at storage tank sensor S8. In this
way, circulation losses (even for small amounts of tapped hot water) are compensated for over
the heat exchanger.
Functions
WE
Configuration
Circulation return flow in heat exchanger
OFF
DHW–CO4–10 = ON
EB 5610 EN
73
Functions of the DHW circuit
WW
KW
S3
S1
P3
P2
S8
S7
Fig. 6 · Schematics of a storage tank system with circulation return flow in the heat exchanger
Summary of Contents for trovis 5600
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