Appendix
0020186710_06 ecoTEC exclusive Installation and maintenance instructions
37
Code
Parameter
Values
Unit
Increment, select, explanation
Default
setting
Own
setting
Min.
Max.
D.027
Accessory relay 1
1
10
–
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 = 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.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.
1
–
