Vaillant ecoTEC pure VC 146/7-2(E-DE), Installation And Maintenance Instructions Manual

Page: 34 / 48

Appendix
34
Installation and maintenance instructions ecoTEC pure 0020258016_01
Dia-
gnostics
code
Parameter
Values
Unit Increment, select, explanation
Default set-
ting
Own setting
Min. Max.
d.07 Set target temperature
for the domestic hot wa-
ter cylinder Current value
℃
Applies to: Product with heat-
ing mode only, connected to do-
mestic hot water cylinder with
temperature sensor
–
Not
adjustable
d.09 Heating flow set target
temperature that is set
on the eBUS room ther-
mostat Current value
℃ – –
Not
adjustable
d.10 Status of the internal
pump in the heating cir-
cuit Current value
–
off / on
–
Not
adjustable
d.11 Status of the heating
circuit's shunt pump Current value
–
Applies to: Installed heating cir-
cuit shunt pump (optional)
off / on
–
Not
adjustable
d.13 Status of the hot water
circuit's circulation pump Current value
–
Applies to: Installed hot water
circuit circulation pump (optional)
off / on
–
Not
adjustable
d.14 Operating mode of the
modulating pump 0 5
–
0 = Speed-regulated (automatic
pump operation in levels 1 to 5)
1 = PWM = 65 %
2 = PWM = 73 %
3 = PWM = 80 %
4 = PWM = 88 %
5 = PWM = (95 … 100 %)
1; 2; 3; 4; 5 = Fixed rotational
speeds
→
Section "Setting the
pump output"
0 Adjustable
d.15 Pump speed Current value %
– –
Not
adjustable
d.16 Status of the 24 V room
thermostat (ON/OFF) Current value
–
off = Heating off
on = Heating activated or eBUS
controller used
–
Not
adjustable
d.17 Heating control
– – –
off = Flow temperature
on = Return temperature (ad-
justment for underfloor heating.
If you have activated the return
temperature control, the auto-
matic heating output determina-
tion function is not active.) 0 Adjustable
d.18 Pump overrun operating
mode 1 3
–
1 = Comfort (continuously operat-
ing pump)
3 = Eco (pump runs intermit-
tently) 3 Adjustable
d.20 Maximum hot water set
target temperature 50 60
℃
1 60 Adjustable
d.21 Status of the warm start
for hot water Current value
–
off = Function deactivated
on = Function activated and
available
–
Not
adjustable
d.22 Status of the hot water
request Current value
–
off = No current requirement
on = Current requirement
–
Not
adjustable
d.23 Status of the heating
demand Current value
–
off = Heating off (Summer mode)
on = Heating on
–
Not
adjustable
d.25 Status of the requirement
to reheat the cylinder or
for the hot water warm
start from the eBUS ther-
mostat Current value
–
off = Function deactivated
on = Function activated
–
Not
adjustable