Vaillant ecoTEC VU Installation And Maintenance Instructions Manual page 45

Code Parameters
D.027 Switching of relay 1 on the
"2 in 7" multi-functional module VR 40
D.028 Switching of relay 2 on the
"2 in 7" multi-functional module VR 40
D.033 Fan speed target value
D.034 Fan speed actual value
D.035 Position of the diverter valve
D.036 Hot water flow quantity
(impeller sensor)
D.039 Solar feed temperature
D.040 Flow temperature
D.041 Return temperature
D.044 Digitised ionisation value
D.046 Pump type
D.047 Outside temperature (with weather-
controlled Vaillant controller)
D.050 Offset for minimum speed
D.051 Offset for maximum speed
D.058 Activation of solar post-heating for VUW
boilers;
Switch hot water mode
D.060 Number of temperature limiter shut-
downs
D.061 Number of ignition device cutoffs
D.064 Average ignition time
D.065 Maximum ignition time
11.1 Diagnosis codes (continued)
Installation and maintenance instructions ecoTEC 0020173113_01
Adapting the boiler to the heating installation
Adjustable values
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)
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)
In rpm
In rpm
0 = Heating; 100 = Hot water; 40 = Mid-position
In l/min
Actual value in °C
Actual value in °C
Actual value in °C
Display range 0 to 1020,
> 800 no flame
< 400 good flame
Not relevant
Actual value in °C
In rpm, setting range: 0 to 3000
In rpm, setting range: -990 to 0
0: Solar post heat mode deactivated
3: DHW activation target value minimum 60 °C
Number of shutdowns
Number of unsuccessful ignitions in the last attempt
In seconds
In seconds
11
Factory Your own
setting setting
2
2
Not adjustable
Not adjustable
Not adjustable
Not adjustable
Not adjustable
Not adjustable
Not adjustable
Not adjustable
Not adjustable
Not adjustable
Nominal value
set in factory
Nominal value
set in factory
0
Not adjustable
Not adjustable
Not adjustable
Not adjustable
45