56 Installation and maintenance instructions 0020244997_07
Code Parameter Values or explanations
Factory
setting
Own setting
D.026 Auxiliary relay 1 = Circulation pump
2 = External pump
3 = Cylinder charging pump
4 = Extraction hood
5 = External solenoid valve
6 = External fault message
7 = Solar pump (not active)
8 = eBUS remote control (not active)
9 = Anti-legionella pump (not active)
10 = Solar valve (not active)
2 = External
pump
D.027 Accessory relay 1 Switching of relay 1 on the VR 40 "2 in 7" multi-func-
tional module
1 = Circulation pump
2 = External pump
3 = Cylinder charging pump
4 = Extraction hood
5 = External solenoid valve
6 = External fault message
7 = Solar pump (not active)
8 = eBUS remote control (not active)
9 = Anti-legionella pump (not active)
10 = Solar valve (not active)
2 = External
pump
D.028 Accessory relay 2 Switching of relay 2 on the VR 40 "2 in 7" multi-func-
tional module
1 = Circulation pump
2 = External pump
3 = Cylinder charging pump
4 = Extraction hood
5 = External solenoid valve
6 = External fault message
7 = Solar pump (not active)
8 = eBUS remote control (not active)
9 = Anti-legionella pump (not active)
10 = Solar valve (not active)
2 = External
pump
D.029 Water circulation vol. actual value Actual value in m³/h Not ad-
justable
D.033 Fan speed target value In rpm Not ad-
justable
D.034 Fan speed actual value In rpm Not ad-
justable
D.035 3-way valve position Heating mode
Parallel operation (mid-position)
DHW mode
Not ad-
justable
D.036 DHW flow rate In l/min Not ad-
justable
D.039 Solar inlet temp. actual value Actual value in °C Not ad-
justable
D.040 Flow temperature actual value Actual value in °C Not ad-
justable
D.041 Return temperature actual value Actual value in °C Not ad-
justable
D.044 Ionisation value actual value Display field 0 to 1020
> 800 no flame
< 400 good flame
Not ad-
justable
D.046 Pump mode 0 = Relay with disable facility
1 = PWM with disable facility
0 = Relay
with disable
facility
D.047 Current outside temperature (with Vaillant weather-compensated control)
Actual value in °C
Not ad-
justable
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