Vaillant ecoTEC plus Installation And Maintenance Instructions Manual page 53

Code Parameter
D.026 Auxiliary relay
D.027 Accessory relay 1
D.028 Accessory relay 2
D.029 Water circulation vol. actual value
D.033 Fan speed target value
D.034 Fan speed actual value
D.035 3-way valve position
D.036 DHW flow rate
D.039 Solar inlet temp. actual value
D.040 Flow temperature actual value
D.041 Return temperature actual value
D.044 Ionisation value actual value
D.046 Pump mode
D.047 Current outside temperature
0020244998_04 ecoTEC plus Installation and maintenance instructions
Values or explanations
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)
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)
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)
Actual value in m³/h
In rpm
In rpm
Heating mode
Parallel operation (mid-position)
DHW mode
In l/min
Actual value in °C
Actual value in °C
Actual value in °C
Display field 0 to 1020
> 800 no flame
< 400 good flame
0 = Relay with disable facility
1 = PWM with disable facility
(with Vaillant weather-compensated control)
Actual value in °C
Factory Own setting
setting
2 = External
pump
2 = External
pump
2 = External
pump
Not ad-
justable
Not ad-
justable
Not ad-
justable
Not ad-
justable
Not ad-
justable
Not ad-
justable
Not ad-
justable
Not ad-
justable
Not ad-
justable
0 = Relay
with disable
facility
Not ad-
justable
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