Appendix
0020134823_04 ecoTEC plus Installation and maintenance instructions
39
Code Parameter
Values or explanations
Default
setting
Own setting
D.027 Switching of relay 1 on the VR 40 "2
in 7" multi-functional module
1 = Circulation pump
2 = External pump
3 = Cylinder charging pump
4 = Extractor hood
5 = External solenoid valve
6 = External fault message
7 = Solar pump (not active)
8 = eBUS remote control (not active)
9 = Legionella protection pump (not active)
10 = Solar valve (not active)
1 = Circula-
tion pump
D.028 Switching of relay 2 on the VR 40 "2
in 7" multi-functional module
1 = Circulation pump
2 = External pump
3 = Cylinder charging pump
4 = Extractor hood
5 = External solenoid valve
6 = External fault message
7 = Solar pump (not active)
8 = eBUS remote control (not active)
9 = Legionella protection pump (not active)
10 = Solar valve (not active)
2 = External
pump
D.033 Fan speed target value
In rpm
Not ad-
justable
D.034 Fan speed actual value
In rpm
Not ad-
justable
D.039 Solar feed temperature
Actual value in °C
Not ad-
justable
D.040 Flow temperature
Actual value in °C
Not ad-
justable
D.041 Return temperature
Actual value in °C
Not ad-
justable
D.044 Digitised ionisation value
Display field 0 to 1020
> 800 no flame
< 400 good flame
Not ad-
justable
D.046 Pump type
0 = Relay with disable facility
1 = PWM with disable facility
0 = Relay
with disable
facility
D.047 Outside temperature (with Vaillant
weather compensator)
Actual value in °C
Not ad-
justable
D.050 Offset for minimum speed
In rpm, setting range: 0 to 3000
Nominal
value set in
factory
D.051 Offset for maximum speed
In rpm, setting range: -990 to 0
Nominal
value set in
factory
D.060 Number of temperature limiter shut-
downs
Number of shutdowns
Not ad-
justable
D.061 Number of ignition device cutoffs
Number of unsuccessful ignitions in the last attempt
Not ad-
justable
D.064 Average ignition time
In seconds
Not ad-
justable
D.065 Maximum ignition time
In seconds
Not ad-
justable
D.067 Remaining burner anti-cycling time
In minutes
Not ad-
justable
D.068 Unsuccessful ignitions at 1st attempt
Number of unsuccessful ignitions
Not ad-
justable
D.069 Unsuccessful ignitions at 2nd at-
tempt
Number of unsuccessful ignitions
Not ad-
justable
D.071 Target value maximum heating flow
temperature
40 … 85
℃
75
℃
