Appendix
34
Installation and maintenance instructions ecoTEC exclusive 0020189875_01
Code
Parameter
Values
Unit
Increment, select, explanation
Default
setting
Own
setting
Min.
Max.
D.017
Control type
0
1
–
Heating flow/return temperature
control changeover
0: Flow
1: Return (conversion for underfloor
heating)
If you have activated the return
temperature control, the function
for automatically limiting the heat-
ing output using the volume flow
remains active. The partial heat
load that is selected under
D.000
(
auto
= max.) continues to be the
upper limit.
0
D.018
Pump operating mode
1
3
–
Setting
1 = Comfort (continuously operat-
ing pump)
The internal pump is switched on
when the heating flow temperature
is not at
Heating off
and the heat
requirement is enabled via an ex-
ternal control
3 = Eco (intermittently operating
pump)
Internal pump is switched on every
25 minutes for 5 minutes once the
overrun time has elapsed
3
D.020
Max. DHW temperature
target value
50
70
°C
Max. set value for target cylinder
value
1
65
D.022
DHW demand
Current value
–
Domestic hot water requirement via
C1/C2, impeller or APC
0: Off
1: On
–
Not ad-
justable
D.023
Heating mode status
Current value
–
Summer/winter mode (heating
off/on)
0: Blocked
1: Released
–
Not ad-
justable
D.024
Air pressure sensor actual
value
Current value
Pa
–
–
Not ad-
justable
D.025
Ext. eBUS signal: Cylinder
charging
Current value
–
Domestic hot water generation
enabled by eBUS control
0: Off
1: On
–
Not ad-
justable
D.026
Auxiliary relay
1
10
–
1 = Circulation pump
2 = External pump
3 = Cylinder charging pump
4 = Extraction hood
5 = External solenoid valve
6 = External fault message
7 = Solar pump (not active)
8 = eBUS remote control (not act-
ive)
9 = Anti-legionella pump (not act-
ive)
10 = Solar valve (not active)
2
Summary of Contents for ecoTEC exclusive
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