Vaillant ecoFIT sustain 615 Installation And Maintenance Instructions Manual page 29

Dia-
gnostics Parameter
code
d.18 Pump overrun operating
mode
d.19 Pump operating mode, 2
stage pump
d.20 Maximum hot water set
target temperature
d.21 Status of the warm start
for hot water
d.22 Status of the hot water
request
d.23 Status of the heating
demand
d.24 Status of the pressure
monitor
d.25 Status of the requirement
to reheat the cylinder or
for the hot water warm
start from the eBUS ther-
mostat
d.27 Function of relay 1
(multi-functional module)
d.28 Function of relay 2
(multi-functional module)
d.31 Automatic filling device
d.33 Fan speed target value
d.34 Value for the fan speed
0020277252_00 ecoFIT sustain Installation and maintenance instructions
Values
Unit Increment, select, explanation
Min. Max.
–
1 3 1 = Continuous (pump runs per-
manently)
3 = Eco (intermittent pump mode
– for the dissipation of the resid-
ual heat after hot water gener-
ation at an extremely low heat
demand)
–
0 3 0 = Burner mode stage 2, pump
flow/overrun stage 1
1 = Heating mode and pump
flow/overrun stage 1, hot water
handling mode stage 2
2 = Automatic heating mode,
pump flow/overrun stage 1, hot
water handling mode stage 2
3 = Stage 2
℃
50 60 1
–
Current value off = Function deactivated
on = Function activated and
available
–
Current value off = No current requirement
on = Current requirement
–
Current value off = Heating off (Summer mode)
on = Heating on
–
0 1 off = Not switched
on = Switched
–
Current value off = Function deactivated
on = Function activated
–
1 10 1 = Circulation pump
2 = External pump
3 = Cylinder charging pump
4 = Extractor hood
5 = External solenoid valve
6 = Fault display
7 = Solar pump (omitted)
8 = eBUS remote control
9 = Legionella protection pump
10 = Solar valve
–
1 10 1 = Circulation pump
2 = External pump
3 = Cylinder charging pump
4 = Extractor hood
5 = External solenoid valve
6 = Fault display
7 = Solar pump (omitted)
8 = eBUS remote control
9 = Legionella protection pump
10 = Solar valve
–
0 2 0 = Manual
1 = Semi-automatic
2 = Automatic
Current value rpm Fan speed = Display value x 100
Current value rpm Fan speed = Display value x 100
Appendix
Default set-
Own setting
ting
1 Adjustable
3 Adjustable
60 Adjustable
–
Not
adjustable
–
Not
adjustable
–
Not
adjustable
–
Not
adjustable
–
Not
adjustable
1 Adjustable
2 Adjustable
0 Adjustable
–
Not
adjustable
–
Not
adjustable
29