Samson TROVIS 5431, Mounting And Operating Instructions

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System code number 2 with changeover valve
Weather-compensated heating control system with drinking water heating in a storage
tank system with changeover valve
4
Select this version of system 2 by choos-
ing 2 in Co2 F06. The changeover valve
must be a solenoid valve and connected
to terminal 20.
4
The control of the changeover valve de-
pends on the flow temperature
4
Drinking water heating system optionally
available with one or two storage tank
sensors or a storage tank thermostat, see
chapter 5.5.1
4
Generation of required charging temper-
ature via return flow sensor (RfS), see
chapter 5.5.5
4
Option of intermediate heating when the
charging of the drinking water storage
tank takes a long time, see chapter 5.5.3
4
Option of parallel pump operation of
HCP and SCP, see chapter 5.5.8
4
Optional activation of heating pump
(HCP) while the storage tank is being
charged, see chapter 5.5.7
32
EB 5431 EN
System descriptions
F RF
FS1
HCP
STS1
RS
OS
DW
Circ.
CP
CW
RfS
Fig. 5
⋅
System code number 2 with changeover valve