50
Installation and maintenance instructions ecoTEC exclusive 0020193968_05
Code
Parameter
Values
Unit
Increment, select, explanation
Factory
setting
Own
setting
Min.
Max.
D.028
Accessory relay 2
1
10
–
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 = Extraction hood
5 = External solenoid valve
6 = External fault message
7 = Solar pump (not active)
8 = eBUS remote control (not act-
ive)
9 = Anti-legionella pump (not act-
ive)
10 = Solar valve (not active)
2
D.029
Water circulation vol. ac-
tual value
Current value
m
³
/h
Actual value: Circulation water
volume for flow sensor
–
Not ad-
justable
D.033
Fan speed target value
Current value
rpm
–
–
Not ad-
justable
D.034
Fan speed actual value
Current value
rpm
–
–
Not ad-
justable
D.035
3-way valve position
Current value
–
Position of the prioritising diverter
valve
0. Heating mode
1: Parallel operation (mid-position)
2: DHW mode
–
Not ad-
justable
D.036
DHW flow rate
Current value
l/min
–
–
Not ad-
justable
D.039
Solar inlet temp. actual
value
Current value
°C
–
–
Not ad-
justable
D.040
Flow temperature actual
value
Current value
°C
–
–
Not ad-
justable
D.041
Return temperature actual
value
Current value
°C
–
–
Not ad-
justable
D.044
Ionisation value actual
value
Current value
–
> 800 = No flame
< 400 = Good flame
–
Not ad-
justable
D.046
Pump mode
0
1
–
0 = Relay with disable facility
1 = PWM with disable facility
0
D.047
Current outside temperat-
ure
Current value
°C
(with Vaillant weather-compensated
control)
–
Not ad-
justable
D.050
Offset min. speed
0
3000
rpm
Nominal value set in factory
–
D.051
Offset max. speed
-990
0
rpm
Nominal value set in factory
–
D.052
Min. gas valve steps offset
0
99
–
The offset is specified at the gas
valve assembly.
–
D.058
Solar post-heating
0
3
–
Only products with integrated do-
mestic hot water generation
0 = Solar post-heating deactivated
3 = Domestic hot water activated
(min. target value 60 °C)
0
D.060
Number of safety therm.
shut-downs
Current value
–
Number of safety cut-out switch-off
sequences
–
Not ad-
justable
D.061
No. of shut-downs in ign.
flame controller
Current value
–
–
–
Not ad-
justable
D.064
Avg. ignition time
Current value
s
–
–
Not ad-
justable
D.065
Max. ignition time
Current value
s
–
–
Not ad-
justable
D.067
Remaining anti-cycl. time
for heating
Current value
min
–
–
Not ad-
justable
D.068
Number of first start at-
tempts
Current value
–
Unsuccessful ignitions at 1st at-
tempt
–
Not ad-
justable
