EQJW146F001 EN
39
Appendix
F
Function
WE
Anl
Comments
Function block parameters: value range (default setting)
12
Control mode
1
1.9, 11.x
CO4 > F12 - 1: Three-step control
Function block parameters:
KP (gain): 0.1 to 50.0 (2.0; system Anl x.9: 0.6)
Tn (reset time): 1 to 999 s (120 s; system Anl x.9: 12 s)
TV (derivative-action time): 0 s, do not change the value.
TY (valve transit time): 15, …, 240 s (120 s; system Anl x9: 20 s)
CO4 > F12 - 0 (systems Anl 11.0, 11.1 only): On/off control
Function block parameters:
Hysteresis: 1.0 to 30.0 °C (5.0 °C)
Min. ON time: 0 to 10 min (2 min)
Min. OFF time: 0 to 10 min (2 min)
13
Limitation of set
point deviation
for OPEN signal
0
1.9, 11.x
CO4 > F13 - 1: only with CO4 > F12 - 1
Function block parameters:
Max. system deviation: 3.0 to 10.0 °C (3.0 °C)
14
Thermal
disinfection
0
All*
CO4 > F14 - 1: only with CO4 > F01 - 1
Function block parameters:
Day of the week: 1, 2, ..., 7, 1-7 (3)
Start time: 00:00 to 23:45 (00:00)
Stop time: 00:00 to 23:45 (04:00)
Disinfection temperature: 60.0 to 90.0 °C (70.0 °C)
Set point boost: 0 to 50 °C (10 °C)
Disinfection temperature sustaining time: 0 to 255 min (0 min)
When the start time is set to the same time as the stop time
Selection:
BI = 1, BI = 0 (BI = 1), input terminals 03/12 (only possible
without SF2/RF2)
15
SLP ON
depending on
return flow
temperature
0
1.5, 1.6, 2.0,
2.1, 2.3, 4.1,
11.1, 11.2
For systems Anl 1.5, 1.6, 2.0, 2.1, 2.3, 4.1: CO4 > F15 - 1: only when
CO1 > F03 - 1
For systems Anl 11.1 and 11.2: CO4 > F15 - 1: only when CO4 > F03 - 1
16
Priority for
external demand
0
1.5, 1.6, 2.x,
4.1
When CO4 > F16 - 1 is configured, a high external demand causes corre-
spondingly excessive charging temperatures in DHW circuits without control
valve.
19
Time-controlled
changeover of
storage tank sen-
sors
0
1.1–1.3, 1.5,
1.6, 2.x, 4.1,
4.5, 11.1, 11.2
CO4 > F19 - 1: only when CO4 > F02 - 1
SF1 applies for day mode and SF2 for night mode.
20
DHW circuit ad-
ditionally con-
trolled by a
globe valve
0
11.1
CO4 > F20 - 1: Return flow temperature limitation using the globe valve with
VF2 in the heating register return flow of the storage tank
