F Function
WE
Anl
Comment
Function block parameters
/ Range of values (default)
04 Reserved
05 Flow sensor
VF4
0
1.1–1.4,
1.6, 1.8,
2.2, 2.4,
3.2, 3.4,
4.2, 7.2,
8.2,
10.1-10.3,
11.2
CO4 -> F05 - 1: Flow sensor VF4 to measure the storage
tank charging temperature active
In some systems, VF4 replaces the flow sensor VF2, which
then measures the heat exchanger charging temperature.
06 Parallel pump
operation
0
2.1–2.4,
4.1–4.5
CO4 -> F06 - 1:
Function block parameters:
Stop parallel pump operation in case of deviation /
0 to 10 min (10 min)
Flow limit temp. parallel pump operation / 20 to 90 °C (40 °C)
CO4 -> F06 - 0: UP1 switched off during DHW heating
1
8.x
07 Intermediate
heating
1
2.x,
4.1–4.5
CO4 -> F07 - 1: After 20 minutes of DHW heating, heating
operation in UP1 circuit reactivated for 10 minutes
CO4 -> F07 - 0: Storage tank charging is given unlimited
priority over heating operation in UP1 circuit
0
8.x
08 Priority through
reverse control
0
1.1–1.4,
3.1–3.4,
4.1–4.5,
10.1–10.3,
11.x
CO4 -> F08 - 1: Only with CO4 -> F09 - 0;
in systems Anl 10.x, only RK2 is influenced
Function block parameters:
Activate priority in case of deviation / 2 to 10 min (2 min)
Correction factor / 0.1 to 10.0 (1.0)
09 Priority through
set-back opera-
tion
0
1.1–1.4,
3.1–3.4,
4.1–4.5,
10.1–10.3,
11.x
CO4 -> F09 - 1: Only with CO4 -> F08 - 0
in systems Anl 10.x, only set-back in RK2
Function block parameter:
Activate priority in case of deviation / 2 to 10 min (2 min)
10 Circulation pump
integrated into
heat exchanger
0
1.6, 1.8,
7.2, 8.2,
11.2, 11.4
CO4 -> F10 - 1: Control of DHW circuit active while circula-
tion pump ZP is operated
11 Operation of
circulation pump
during storage
tank charging
0
Not Anl
11.0, 11.3
CO4 -> F11 - 1: Circulation pump (ZP) operates according
to time schedule during storage tank charging
CO4 -> F11 - 0: ZP switched off during storage tank
charging
EB 5576 EN
111
Appendix
