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Fb Function WE Anl
Comments
Function block parameters / Range of values (default settings)
09 RK switched off
when switch at
MAN-CLOSED
OFF All Co1, 2, 3 -> Fb09 = ON: UP still runs until 1 x T
Y
.
The flow sensor is no longer be read.
10 4-point character
-
istic
OFF Not
3, 5,
8, 10
Co1, 2, 3 -> Fb10 = ON: 4-point characteristic
Co1, 2, 3 -> Fb10 = OFF: Gradient characteristic
11 Summer mode ON All Co1, 2, 3 -> Fb11 = ON: Function block parameters:
Start summer mode / 01.01 to 31.12 (01.05)
End summer mode/ 01.01 to 31.12 (30.09)
Outdoor temp. limit for summer mode / 0 to 30 °C (18 °C)
12 Potentiometer input
Release HK
OFF All Co1, 2, 3 -> Fb12 = ON: Valve position feedback
(0 to 1000
Ω
), 1000
Ω
additional resistor required
Co1, 2, 3 -> Fb12 = OFF: RK released with binary signal;
Option FrG-E: Released over bin. signal (potentiometer)
FrG-A: Released over time schedule
With FrG-A:RLG: Configuration acc. to input
FREE: Input freely available
13 Pump
management
OFF All Co1, 2 -> Fb13 = ON: BA 2, 4 OFF outside time-of-use
Co1, 2 -> Fb13 = OFF: BA 2, 4 ON outside time-of-use
14 Continuous-action
control for heating
circuit
OFF All Co1, 2, 3 -> Fb14 = ON: Continuous-action control 0 to 10 V
Function block parameters:
K
P
(proportional gain) / 0.1 to 50.0 (0.5)
T
N
(reset time) / 1 to 999 s (200 s)
T
V
(derivative-action time) / 0 to 999 s (0 s)
15 Three-step control
for heating circuit
ON All Co1, 2, 3 -> Fb15 = ON: Three-step control;
Function block parameters:
K
P
(proportional gain) / 0.1 to 50.0 (0.5)
T
N
(reset time) / 1 to 999 s (200 s)
T
Y
(valve transit time) / 15 to 240 s (120 s)
UP lag time / 120 to 1200 s (240 s)
Co1, 2, 3 -> Fb15 = OFF: On/off control
Function block parameters:
Hysteresis / 1 to 30 °C (5 °C)
Min. activation time / 0 to 600 s (120 s)
Min. deactivation time / 0 to 600 s (120 s)
UP lag time / 120 to 1200 s (240 s)
16 Parameter
optimization
OFF 6, 9 Co1, 2, 3 -> Fb16 = ON: Automatic parameter optimization
(K
P
,T
N
, T
V
)
98 EB 5179 EN
Appendix