Vaillant ecoCOMPACT VCC4 Series Installation And Maintenance Instructions Manual page 46

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Appendix
Code Parameter
D.002 Max. burner anti-cycling time heating
at 20 °C flow temperature
D.003 Parameter not in use for this product
D.004 Cylinder domestic hot water temper-
ature
D.005 Heating flow temperature, target
value (or return target value)
D.007 Domestic hot water temperature
target value
D.009 Heating flow temperature, target
value from external eBUS control
D.010 Status of internal heating pump
D.011 Status of external heating pump
D.012 Status of the cylinder charging pump
D.013 Status of the domestic hot water
circulation pump
D.014 Target pump speed (high-efficiency
pump)
D.015 Actual pump speed (high-efficiency
pump)
D.016 24 V DC room thermostat
open/closed
D.017 Heating flow/return temperature
control changeover
D.018 Pump mode setting
D.020 Max. set value for target cylinder
value
D.022 Domestic hot water demand
D.023 Summer/winter mode (heating off/on)
D.025 Domestic hot water generation en-
abled by eBUS control
D.026 Additional relay actuation
46
Values or explanations
2 ... 60 min
In °C
In °C, max. of the value set in D.071, limited by an eBUS
controller if connected
35 ... 65 ℃
In °C
On, Off
On, Off
On, Off
On, Off
Target value of internal high-efficiency pump in %. Pos-
sible settings:
0 = Auto
1 = 53
2 = 60
3 = 70
4 = 85
5 = 100
6 = Auto (DP limit) proKlima
7 = Fixed (DP limit) KfW
8 = Auto (pump boost)
Actual value for internal high-efficiency pump in %
Heating mode off/on
Control type:
0 = Flow, 1 = Return
1 = Comfort (continuously operating pump)
3 = Eco (intermittently operating pump)
Adjustment range: 35-65 °C
On, Off
Heating on, heating off (summer mode)
On, Off
1 = Circulation pump
2 = External pump
3 = Cylinder charging pump (not activated)
4 = Flue non-return flap
5 = External solenoid valve
6 = External fault message
7 = Solar pump (not active)
8 = eBUS remote control (not active)
9 = Anti-legionella pump (not activated)
10 = Solar valve (not active)
Installation and maintenance instructions ecoCOMPACT 0020181421_04
Default
User-spe-
setting
cific setting
20 min
Not ad-
justable
Not ad-
justable
Not ad-
justable
Not ad-
justable
Not ad-
justable
Not ad-
justable
Not ad-
justable
Not ad-
justable
Not ad-
justable
0 = Auto
Not ad-
justable
Not ad-
justable
0 = Flow
3 = Eco
65 °C
Not ad-
justable
Not ad-
justable
Not ad-
justable
1 = Circula-
tion pump

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