0020277262_02 ecoFIT sustain Installation and maintenance instructions
37
#
Maintenance work
Interval
28
Reassemble the product
After each time maintenance
work is carried out
29
Opening the service valves
Annually
30
Fill the product/heating installation to the filling pressure specified for the
system
Annually
31
Connect the product to the electrical installation
Annually
32
Run the test operation on the product/heating installation including hot
water generation (if available) and, if required, purge the product/heating
installation
Annually
33
Measure the CO content, CO
₂
content and the CO/CO
₂
ratio again
Annually
B
Overview of diagnostics codes
Setting level
Values
Unit
Increment, select, explanation
Default set-
ting
Own setting
Min.
Max.
d.00 Heating maximum output
–
–
kW
The maximum heating output varies
depending on the product.
→
Section "Technical data"
→
Section
"Technical
data"
Adjustable
d.01 Pump overrun time in
heating mode
1
60
min
1
5
Adjustable
d.02 Burner anti-cycling time
in heating mode
2
60
min
1
20
Adjustable
d.04 Water temperature in the
cylinder
Current value
℃
–
–
Not
adjustable
d.05 Determined target heating
flow temperature
Current value
℃
–
–
Not
adjustable
d.07 Target temperature for
the domestic hot water cylin-
der
Current value
℃
–
–
Not
adjustable
d.08 Status of the 230 V ther-
mostat
Current value
–
0 = Room thermostat open (no heat
requirement)
1 = Room thermostat closed (heat
requirement)
–
Not
adjustable
d.09 Target heating flow tem-
perature that is set on the
eBUS room thermostat
Current value
–
–
–
Not
adjustable
d.10 Status of the internal
pump in the heating circuit
Current value
–
off / on
–
Not
adjustable
d.11 Status of the heating cir-
cuit's shunt pump
Current value
–
off / on
–
Not
adjustable
d.13 Status of the domestic
hot water circuit's circulation
pump
Current value
–
off / on
–
Not
adjustable
d.16 Status of the 24 V room
thermostat
Current value
–
off = Heating off
on = Heating on
–
Not
adjustable
d.17 Heating control
–
–
–
off = Flow temperature
on = Return temperature (adjustment
for underfloor heating. If you have ac-
tivated the return temperature control,
the automatic heating output determ-
ination function is not active.)
0
Adjustable
d.18 Pump overrun operating
mode
1
3
–
1 = Comfort (continuously operating
pump)
3 = Eco (intermittent pump operation
–
for the dissipation of the residual
heat after domestic hot water gen-
eration at an extremely low heat de-
mand)
1
Adjustable
d.20 Maximum target domestic
hot water temperature
50
60
℃
1
50
Adjustable
d.23 Status of the heat de-
mand
Current value
–
off = Heating off (Summer mode)
on = Heating on
–
Not
adjustable