Technical data

Adapting the boiler to the heating installation
40 Installation and maintenance instructions ecoTEC pro 0020129672_03
11
Code Parameters Adjustable values
Factory
setting
Your own
setting
D.027 Switching of relay 1 on the
"2 in 7" multi-functional module VR 40
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 = Remote control eBUS (not active)
9 = Legionella protection pump (not active)
10 = Collective solar valve (not active)
2
D.028 Switching of relay 2 on the
"2 in 7" multi-functional module VR 40
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 = Remote control eBUS (not active)
9 = Legionella protection pump (not active)
10 = Collective solar valve (not active)
2
D.033 Fan speed target value In rpm Not adjustable
D.034 Fan speed actual value In rpm Not adjustable
D.035 Position of the diverter valve 0 = Heating; 100 = Hot water; 40 = Mid-position Not adjustable
D.036 Hot water flow quantity
(impeller sensor)
In l/min Not adjustable
D.039 Solar feed temperature Actual value in °C Not adjustable
D.040 Flow temperature Actual value in °C Not adjustable
D.041 Return temperature Actual value in °C Not adjustable
D.044 Digitised ionisation value Display range 0 to 1020,
> 800 no flame
< 400 good flame
Not adjustable
D.046 Pump type Not relevant Not adjustable
D.047 Outside temperature (with weather-
controlled Vaillant controller)
Actual value in °C Not adjustable
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.058 Activation of solar post-heating for VUW
boilers;
Switch hot water mode
0: Solar post heat mode deactivated
3: DHW activation target value minimum 60 °C
0
D.060 Number of temperature limiter shut-
downs
Number of shutdowns Not adjustable
D.061 Number of ignition device cutoffs Number of unsuccessful ignitions in the last attempt Not adjustable
D.064 Average ignition time In seconds Not adjustable
D.065 Maximum ignition time In seconds Not adjustable
11.1 Diagnosis codes (continued)