Vaillant ecoTEC exclusive 627 Installation And Maintenance Instructions Manual page 47

Code Parameter
D.022 DHW demand
D.023 Heating mode status
D.024 Air pressure sensor actual
value
D.025 Ext. eBUS signal: Cylinder
charging
D.026 Auxiliary relay
D.027 Accessory relay 1
D.028 Accessory relay 2
D.029 Water circulation vol. ac-
tual value
D.033 Fan speed target value
D.034 Fan speed actual value
0020193966_04 ecoTEC exclusive Installation and maintenance instructions
Values
Unit
Min. Max.
–
Current value
–
Current value
Current value Pa
–
Current value
–
1 10
–
1 10
–
1 10
Current value m³/h
Current value rpm
Current value rpm
Increment, select, explanation
Domestic hot water requirement via
C1/C2, impeller or APC
0: Off
1: On
Summer/winter mode (heating
off/on)
0: Blocked
1: Released
–
Domestic hot water generation
enabled by eBUS control
0: Off
1: On
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)
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)
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)
Actual value: Circulation water
volume for flow sensor
–
–
Factory Own
setting setting
–
Not ad-
justable
–
Not ad-
justable
–
Not ad-
justable
–
Not ad-
justable
2
2
2
–
Not ad-
justable
–
Not ad-
justable
–
Not ad-
justable
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