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Installation Indications, functions and options MessagesCommissioningOperation and function
Display channels
Channel Description Connection terminal Page
COL x Temperature collector S1 53
TST1 x Temperature store 1 base S2 53
TST2 x Temperature store 2 base S3 53
S4 x Temperature sensor 4 S4 53
TSTT x* Temperature store top S4 53
n1 % x Speed R1 R1 54
n2 % x Speed R2 R2 54
h P1 x Operating hours R1 R1 55
h P2 x Operating hours R2 R2 55
kWh x* Heat quantity in kWh - 54
MWh x* Heat quantity in MWh - 54
TIME x Time - 55
Adjustment channels
Channel Description Factory setting Page
Arr x System 6 55
DT1O x Switch-on temperature difference R1 6.0 K [12.0 °Ra] 56
DT1F x Switch-off temperature difference R1 4.0 K [8.0 °Ra] 56
DT1S x Set temperature difference R1 10.0 K [20.0 °Ra] 56
RIS1 x Rise R1 2 K [4 °Ra] 56
PUM1 x Pump control type R1 PSOL 56
n1MN x Minimum speed R1 30 % 57
n1MX x Maximum speed R1 100 % 57
S1MX x Maximum store temperature 1 75 °C [167 °F] 56
OSEM x Store emergency shutdown option OFF 56
DT2O x Switch-on temperature difference R2 6.0 K [12.0 °Ra] 56
DT2F x Switch-off temperature difference R2 4.0 K [8.0 °Ra] 56
DT2S x Set temperature difference R2 10.0 K [20.0 °Ra] 56
RIS2 x Rise R2 2 K [4 °Ra] 56
PUM2 x Pump control type R2 PSOL 56
n2MN x Minimum speed R2 30 % 57
n2MX x Maximum speed R2 100 % 57
S2MX x Maximum store temperature 2 75 °C [167 °F] 56
EM x Collector emergency temperature 130 °C [270 °F] 56