EQJW146F002 EN
137
Appendix
F
Function
WE
Anl
Comments
Function block parameters: value range (default setting)
14 Thermal disin-
fection
0
All*
CO4 > F14 - 1: Thermal disinfection
(only with CO4 > F01 - 1)
Function block parameters >
Day of week: Monday, Tuesday, ..., daily (Wednesday)
Time: Adjustable as required (00:00 – 04:00)
Disinfection temperature: 60.0 to 90.0 °C (70.0 °C)
Duration: 0 to 255 min (0 min)
Active when BI = OFF, ON (ON) only possible with setting
Start time = Stop time and without SF2/RF2. Input: terminals
03/12
15 SLP depending
on return flow
temperature
0
1.5, 2.0,
2.1, 2.3,
4.1, 11.1
CO4 > F15 - 1: storage tank charging pump not ON unless
return flow hot (only with CO1 > F03 - 1 for systems Anl 1.5,
2.0, 2.1, 2.3, 4.1; only with CO4 > F03 - 1 for system Anl
11.1)
16 Priority for ex-
ternal demand
0
1.5, 1.6,
2.x, 4.1
CO4 > F16 - 1: Priority for external demand
Note: a high external demand causes excessive charging tem-
peratures in DHW circuits without control valve.
19 Switchover
0
1.1–1.3,
1.5, 1.6,
2.x, 4.1,
4.5, 11.1,
11.2
CO4 > F19 - 1: Switchover SF1, SF2 according to a time
schedule. SF1 applies for day mode and SF2 for night mode
(only with CO4 > F02 - 1)
20 Return flow
control
0
11.1
CO4 > F20 - 1: DHW circuit additionally controlled by a
globe valve
21 Speed control
of the charging
pump
0
1.1–1.3,
1.5, 1.6,
2.x, 4.1,
11.1, 11.2
CO4 > F21 - 1: Temperature-based adaptation of the delivery
rate of the charging pump
Function block parameters:
Start speed reduction - SF2 limit: 5.0 to 90.0 °C (40.0 °C)
Stop speed reduction - SF2 limit: 5.0 to 90.0 °C (50.0 °C)
Min. speed signal: 0 to 50 % (20 %)
22 Cold charging
protection
0
1.1
CO4 > F22 - 1: Storage tank charging started when the pri-
mary flow temperature is high enough
F Function block number, WE Default setting, Anl System code number
