Samson TROVIS 5571 - 8 Terminal Assignment

8 Terminal assignment
Legend
The gray-shaded terminals belong to the ModBus I/O (1402-0328). Refer to the Mounting
and Operating Instructions EB 5571 EN for more details.
EB 5571-2 EN 45
Terminal assignment
AA Analog output (0 to 10 V)
AE Analog input
BA Binary output
BE Binary input
HK Heating circuit mixing valve
RK Heat exchanger control valve
Kl Shut-off valve
Pu Heat exchanger circulation pump
Pu (HK) Heating circuit pump
SLP Storage tank charging pump
AF Outdoor sensor
RüF1…3 Heat exchanger return flow sensor
RüF4…6 Heating circuit return flow sensor
SF Storage tank sensor
VF1…3 Heat exchanger flow sensor
VF4…6 Heating circuit flow sensor
VFg Overall flow sensor
Frg_WT Heat exchanger enabled
SM_Pu Pump fault alarm
SM_WT Heat exchanger fault alarm
SSM Collective fault alarm
WWA External set point demands
[ ] Alternative assignment depending
on connections (alternative as-
signments for continuous-action
control circuits RK1, RK2 and RK3
as well as for the continuous-action
heating circuit HK1. Refer to
section 8.1)
Applies to WWA [ext Bdf]:
WWA
ext Bdf
WWA
ext Bdf