Vaillant ecoTEC plus VU Series Installation And Maintenance Instructions Manual page 31

Code Parameter
D.26 Internal accessory relay at X6 (pink
plug)
D.27 Switching accessory relay 1 for ac-
cessory "2-in-7" multi-functional mod-
ule
D.28 Switching accessory relay 2 for ac-
cessory "2-in-7" multi-functional mod-
ule
D.30 Control signal for gas valve
D.33 Fan speed target value
D.34 Fan speed actual value
D.35 Not relevant
D.40 Flow temperature
D.41 Return temperature
D.44 Digitalised ionisation voltage
D.47 Outside temperature (with weather
compensator)
D.50 Offset for minimum speed
D.51 Offset for maximum speed
D.60 Number of temperature limiter shut-
downs
D.61 Number of ignition device cutoffs
D.64 Average ignition time
D.65 Maximum ignition time
D.67 Remaining burner anti-cycling time
D.68 Unsuccessful ignitions at 1st attempt
D.69 Unsuccessful ignitions at 2nd at-
tempt
D.70 Not relevant
D.71 Maximum target value heating flow
temperature
1. Five-digit numbers are saved for diagnostics codes 80 to 83. If you select D.80, for example, only the first two digits of the number
will be displayed (e.g. 10). Pressing
ating hours for the heating is 10947 hrs. Pressing the
called up.
0020029173_04 ecoTEC plus Installation and maintenance instructions
Values or explanations
1 = Circulation pump
2 = Second external pump
3 = Cylinder charging pump
4 = Flue non-return flap/extractor hood
5 = External gas valve
6 = External fault message
1 = Circulation pump
2 = Second external pump
3 = Cylinder charging pump
4 = Flue non-return flap/extractor hood
5 = External gas valve
6 = External fault message
1 = Circulation pump
2 = Second external pump
3 = Cylinder charging pump
4 = Flue non-return flap/extractor hood
5 = External gas valve
6 = External fault message
0 = Off; 1 = On
in rpm/10
in rpm/10
Not relevant
Actual value in °C
Actual value in °C
Display field 0 to 102
>80 no flame
< 40 good flame
Actual value in °C, if the outside temperature sensor is
connected to X41
in rpm/10, adjustment range: 0 to 300
in rpm/10, adjustment range: -99 to 0
Number of shutdowns
Number of unsuccessful ignitions in the last attempt
In seconds
In seconds
In minutes
Number of unsuccessful ignitions
Number of unsuccessful ignitions
Not relevant
40 ... 85 ℃
switches the display to the last three digits (e.g. 947). In this example, the number of oper-
again causes the display to switch back to the diagnostics code that was
Appendix
Default set- Own setting
ting
2
2
3
Not
adjustable
Not
adjustable
Not
adjustable
Not
adjustable
Not
adjustable
Not
adjustable
Not
adjustable
30
-45
Not
adjustable
Not
adjustable
Not
adjustable
Not
adjustable
Not
adjustable
Not
adjustable
Not
adjustable
75 ℃
31