Appendix
0020258610_00 ecoVIT exclusiv Installation and maintenance instructions
29
Code
Parameter
Values
Unit
Explanation, selection, increment
Default
setting
Own
setting
Min.
Max.
D.040
Flow temperature actual
value
Current value
℃
–
–
Not ad-
justable
D.041
Return temperature actual
value
Current value
℃
–
–
Not ad-
justable
D.043
Boiler temperature
0
99
℃
Current boiler temperature
–
Not ad-
justable
D.044
Ionisation value actual
value
0
1020
–
> 700: No flame
< 450: Flame detected
< 250: Excellent flame
–
Not ad-
justable
D.047
Current outside temperat-
ure
Current value
℃
If an outdoor temperature sensor is
connected to X41
(with Vaillant weather-compensated
control)
–
Not ad-
justable
D.050
Offset min. speed
-40
40
rpm
Nominal value set in factory
10
–
D.051
Offset max. speed
-40
40
rpm
Nominal value set in factory
10
–
D.054
Switch-on hysteresis offset
0
-10
K
1
-2
D.055
Switch-off hysteresis off-
set
0
10
K
1
6
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
–
Number of unsuccessful ignitions in
the last attempt
–
Not ad-
justable
D.063
Air-monitoring switch-off
sequences
Current value
–
Number of switch-off sequences
caused by the air monitoring
–
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
Remaining burner anti-cycling time
–
Not ad-
justable
D.068
Number of first start at-
tempts
Current value
–
Number of unsuccessful ignitions at
1st attempt
–
Not ad-
justable
D.069
Number of second start
attempts
Current value
–
Number of unsuccessful ignitions at
2nd attempt
–
Not ad-
justable
D.071
Max. heating target flow
temp.
40
85
℃
Target value maximum heating flow
temperature
1
75
D.072
Pump overrun after cylin-
der charging
0
600
s
External heating pump overrun
time after cylinder charging
1
300
D.073
Offset setting for comfort
mode
0
25
K
Cylinder charging offset
Excess temperature between the
target cylinder temperature and
the target flow temperature when
cylinder charging
1
25
D.075
Max. cylinder charging
time
20
90
min
Max. charging time for domestic
hot water cylinder without inde-
pendent control system
1
45
D.076
Device Specific Number
Current value
–
(Device specific number = DSN)
15: ecoVIT
–
Not ad-
justable
D.077
DHW partial load
Output-range-
specific
kW
Adjustable cylinder charging output
Maximum value = automatic
cylinder partial load
Maximum
value