Vaillant ecoTEC exclusive 843 Installation And Maintenance Instructions Manual page 35

Setting level
Accessory relay 1
Accessory relay 2
Heating partial load
Contact details
Factory setting
Installer level → Diagnostics menu →
D.XXX - D.XXX
Installer level → Start inst. assistant →
Language
Filling mode: 3-way valve is in mid-
position
Purge program: Select circ. using
+/-
Target flow temp.
DHW temperature
Green iQ
Heating partial load
Auxiliary relay
¹Fault lists are only displayed, and can only be deleted, if faults have occurred.
0020193968_03 ecoTEC exclusive Installation and maintenance instructions
Values
Unit
Min. Max.
–
1 10
–
1 10
– –
kW
– –
Phone
num-
ber
– – –
–
Current value
– – –
–
0 2
– – –
℃
30 75
℃
35 60
–
– –
– –
kW
–
1 10
Increment, select, explanation
1 = Circulation pump
2 = External pump
3 = Cylinder charging pump
4 = Extractor hood
5 = External solenoid valve
6 = External fault message
7 = Solar pump (not active)
8 = eBUS remote control (not active)
9 = Legionella protection pump (not active)
10 = Solar valve (not active)
1 = Circulation pump
2 = External pump
3 = Cylinder charging pump
4 = Extractor hood
5 = External solenoid valve
6 = External fault message
7 = Solar pump (not active)
8 = eBUS remote control (not active)
9 = Legionella protection pump (not active)
10 = Solar valve (not active)
Partial load only, full load only, auto
0 – 9
On, Off
–
Languages available for selection
0 = Normal operating mode
1 = Mid-position (parallel operation)
2 = Permanent heating mode position
Automatic adaptive purging of the heating circuit
and hot water circuit
Not active
Active
1
1
Product with hot water generation
On, Off
Partial load only, full load only, auto
1 = Circulation pump
2 = External pump
3 = Cylinder charging pump
4 = Extractor hood
5 = External solenoid valve
6 = External fault message
7 = Solar pump (not active)
8 = eBUS remote control (not active)
9 = Legionella protection pump (not active)
10 = Solar valve (not active)
Appendix
Default
setting
2
2
Auto
Auto
–
–
Country-
specific
–
–
–
–
On
Auto
2
35