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CO2: DHW circuit
F Function
WE Anl
Comment
Function block parameters / Range of values (default)
01 Storage sensor SS1
1
2, 3,
4, 6
CO2 -> F01 - 1: Sensor SS1 ON
CO2 -> F01 - 0: Storage tank thermostat, only with CO2 -> F02 - 0
Function block cannot be selected if:
CO2 -> F02 - 1, CO2 -> F05 - 1, CO2 -> F08 - 1 or
CO2 -> F19 - 1
02 Storage sensor SS2
0
2
CO2 -> F02 - 1: Sensor SS2 ON, only with CO2 -> F01 - 1
1
3, 4,
6
03 Flow sensor VS2
0
3, 6 CO2 -> F03 - 1: Flow sensor VS2 to measure the storage tank
charging temperature active (control switchover)
04 Operation of
circulation pump
during storage tank
charging
0
2, 3,
4
CO2 -> F04 - 1: Circulation pump (ZP) operates according to
schedule during storage tank charging
05 Thermal
disinfection
0
2, 3,
4, 6
CO2 -> F05 - 1*:
Function block parameters:
Day of the week / 0 to 7 (3) with 0 = every day
Start time / 0:00 h to 23:30 h (0:00 h)
Stop time / 0:00 h to 23:30 h (4:00 h)
Disinfection temperature / 60 to 90 °C (70 °C)
*
In Anl 2, 3, 4 and 6: only with CO2 -> F01 - 1
In Anl 5: the function block cannot be selected if:
CO2 -> F13 - 1 or CO2 -> F14 - 1
06 Parallel pump
operation
0
2, 3 CO2 -> F06 - 1 only with CO2 -> F10 - 0;
Options
:
1
Parallel pump operation with UP and SLP
2
Control of changeover valve and UP
Function block parameter
(Anl 2, option 1 or Anl 3):
Stop parallel operation in case of deviation /– – –, 60 to 600 sec
(600 sec)
07 Vacations and
holidays also valid
for DHW
0
2, 3,
4, 5
CO2 -> F07 - 1: Vacations and holidays also apply to DHW
heating
EB 5433 EN
79
Appendix