F Function
WE
Anl
Comment
Function block parameters
/ Range of values (default)
12 Control mode
three-step [RK2]
0 to 10 V [Y2]
1
All*
CO2 -> F12 - 1: With [RK2] three-step control
With [Y2] 0 to 10 V control
Function block parameters
:
K
P
(proportional gain) / 0.1 to 50.0 (2.0)
T
N
(reset time) / 1 to 999 sec (120 sec)
T
V
(derivative-action time) / 0 to 999 sec (0 sec)
T
Y
(transit time) / 15, 30, ..., 240 sec (45 sec)
CO2 -> F12 - 0 (only in systems Anl 10.0, 10.1 and 10.3):
On/off control; OPEN/CLOSED signal for valve issued, i.e.
when BA9 = 0 –> BA8 = 1, when BA9 = 1 –> BA8 = 0
Function block parameters:
Hysteresis / 1 to 30 °C (5 °C)
Min. ON time / 0 to 10 min (2 min)
Min. OFF time / 0 to 10 min (2 min)
13 Limit deviation for
OPEN signal
0
All*
CO2 -> F13 - 1: Only with CO2 -> F12 - 1
Function block parameter:
Max. deviation / 2 to 10 °C (2 °C)
14 Release RK2
at BE16
0
All*
CO2 -> F14 - 1: FG2 has no function
Select
bE / 1, 0 (1)
F Function block number, WE Default value, Anl System code number
CO4: DHW heating
(Anl 1.1–1.8, 2.x, 3.1–3.4, 4.1–4.5, 7.x, 8.x, 10.1–10.3, 11.x )*
F Function
WE
Anl
Comment
Function block parameters
/ Range of values (default)
01 Storage sensor
SF1
1
All*
CO4 -> F01 - 0 (not in Anl 11.0, 11.3): Storage tank thermo-
stat, only with CO4 -> F02 - 0
02 Storage sensor
SF2
0
1)
CO4 -> F02 - 1 (not in Anl 11.0, 11.3): Only with
CO4 -> F01 - 1
1)
WE = 0 in Anl 1.1, 1.3, 1.5, 1.7, 2.0, 2.1, 2.3, 3.1, 3.3,
4.1, 4.3, 4.5, 7.1, 8.1, 10.1, 10.3, 11.1
2)
WE = 1 in Anl 1.2, 1.4, 1.6, 1.8, 2.2, 2.4, 3.2, 3.4, 4.2,
7.2, 8.2, 10.2, 11.2, 11.4
1
2)
03 Return flow
sensor RüF2
0
7.x, 8.x,
11.x
CO4 -> F03 - 1: Sensor and limiting function active
Function block parameter:
Limiting factor / 0.1 to 10.0 (1.0)
110
EB 5576 EN
Appendix
