0020230535_07 ecoFIT pure Installation and maintenance instructions 39
# 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, CO₂ content and the CO/CO₂ 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
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