Vaillant ecoTEC plus VU 446/5-5 (H-GB) Installation And Maintenance Instructions Manual page 44

Appendix
Code Parameter
D.067 Remaining burner anti-cycling time
D.068 Unsuccessful ignitions at 1st attempt
D.069 Unsuccessful ignitions at 2nd at-
tempt
D.071 Target value maximum heating flow
temperature
D.072 Overrun time for the heating pump
after cylinder post-heating
D.074 Anti-legionella function
D.075 Maximum charging time for the
domestic hot water cylinder
D.076 Product-specific number
D.077 Limit on cylinder charging output
D.078 Cylinder charging temperature limit
(target flow temperature in cylinder
charging mode) in °C
D.080 Operating hours of the burner in
heating mode
D.081 Operating hours of the burner for
domestic hot water generation
D.082 Number of burner start-ups in heat-
ing mode
D.083 Number of burner starts in domestic
hot water mode
D.084 Maintenance indicator: Number of
hours until the next maintenance
D.085 Minimum output of the product
D.090 Status of the eBUS control
D.091 Status of DCF with outdoor temper-
ature sensor connected
D.093 Unit variant setting (DSN)
D.094 Delete fault history
D.095 Software version of PeBUS compon-
ents
D.096 Default setting
D.122 Target value for the available pres-
sure in the heating circuit
D.123 Duration of last cylinder charging
D.124 Domestic hot water cylinder in ECO
mode
D.125 Domestic hot water temperature at
the cylinder outlet
D.126 Back-up heater delay when there is
sunlight
44
Values or explanations
min
Number of unsuccessful ignitions
Number of unsuccessful ignitions
30 ... 80 ℃
0 ... 600 s
Thermal disinfection is carried out every 24 hours
0 = Inactive
1 = Active
20 ... 90 min
Unit variant display (DSN)
Adjustable cylinder charging output in kW
55 ... 85 ℃
h
h
Number of burner start-ups (x 100)
Number of burner start-ups (x 100)
0 ... 3,000 h
"-" to deactivate the function
kW
1 = Detected
2 = Not detected
0 = No reception
1 = Reception
2 = Synchronised
3 = Valid
Adjustment range: 170 to 199
The three-digit DSN code is located on the product's
data plate.
Delete fault list
0 = No
1 = Yes
Main PCB (BMU)
PCB for the control element (AI)
Reset all adjustable parameters to factory setting
0 = No
1 = Yes
100 ... 400 mbar
min
Not connect.
Not connect.
Not connect.
Installation and maintenance instructions ecoTEC plus 0020261389_02
Default User-spe-
setting cific setting
Not ad-
justable
Not ad-
justable
Not ad-
justable
75 ℃
120 s
0
45 min
Not ad-
justable
Maximum
output
80 ℃
Not ad-
justable
Not ad-
justable
Not ad-
justable
Not ad-
justable
„-"
Not ad-
justable
Not ad-
justable
Not ad-
justable
0
200 mbar