40
Installation and maintenance instructions ecoFIT pure 0020230531_06
#
Maintenance work
Interval
28
Checking the pre-charge pressure of the expansion vessel
at regular intervals
29
Check the water flow rate (domestic hot water). Insufficient water flow
rate
→
Check the incoming water supply. Incoming water supply sufficient,
water flow rate too low
→
Clean or replace the strainer in the cold water
inlet
Annually
30
Check the impeller sensor for dirt/damage and, if required, replace it
Annually
31
Reassemble the product
After each time maintenance
work is carried out
32
Open the service valves, carry out the required leak-tightness test
Annually
33
Fill the product/heating installation to the filling pressure specified for the
system
Annually
34
Connect the product to the electrical installation
Annually
35
Run the test operation on the product/heating installation including hot
water generation (if available) and, if required, purge the product/heating
installation
Annually
36
Measure the CO content, CO
₂
content and the CO/CO
₂
ratio again
Annually
B
Overview of diagnostics codes
Note
Since the code table is used for various products, some codes may not be visible for the product in question.
Dia-
gnostics
code
Parameter
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"
Automatic: Unit automatically
adjusts the maximum output to
the current system demand
→
Section
"Technical
data"
Adjustable
d.01
Pump overrun in heating
mode
1
60
min
1
5
Adjustable
d.02
Maximum 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 heating flow
set target temperature
Current value
℃
–
–
Not
adjustable
d.06
Hot water set target tem-
perature
Current value
℃
(Combination unit only)
–
Not
adjustable
d.07
Set target temperature
for the domestic hot wa-
ter cylinder
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
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
–
off / on
–
Not
adjustable
d.13
Status of the hot water
circuit's circulation pump
Current value
–
off / on
–
Not
adjustable
