DeDietrich C 330 ECO Installation, User And Service Manual page 45

C 330 ECO - C 630 ECO
R
max
min
Off
1 2 3 4 5 6 7 8 9
31/05/2012 - 7600532-01
n Connecting a shunt pump (Pump)
If required, a shunt pump may also be installed on the terminals
Pump of the connector. Only an on/off pump can be controlled. The
pump is activated during blockages {BL.DERIVE EXCH}{BL.DT
EXC.BACK} and BL.DT BOI.EXC. (Diematic iSystem) or 5t:9
(5v:4,5 and 6 (IniControl. The maximum input power is 300
VA.
n Operation signal and failure signal (Status)
Diematic iSystem: For connection to the boiler's S.TEL outlet.
¼ For the settings, refer to the control panel manual.
IniControl: The alarm or operation signal is selected using parameter
p26 (Connector X4). The alarm or operation signal is selected
using parameter p27 (Connector X5).
4 If the boiler is operating, the operation signal can be switched via
a potential-free contact (maximum 230 VAC, 1 A) on the No and
C terminals of the connector.
4 If the boiler locks out, the alarm can be transmitted via a potential-
free contact (maximum 230 VAC, 1 A) on the Nc and C terminals
of the connector.
n Analogue output (0-10 V)
The analogue output function can be set with parameter {ANALOG
OUTL} or p36 (IniControl).
An outgoing 0-10 V signal can be used either to report the supplied
heat output or the supplied temperature.
The speed of the system pump can be controlled with an outgoing
0-10 V signal. (Only possible if the pump is suitable for this).
Control of 0-10V Wilo system pump
R
min
max
Off
U
10
U
T003802-B
Output signal (V) Description
< 1
1 - 2
2 - 3
3 - 10
Pump regime
Minimum pump speed
Maximum pump speed
The pump is off
Output signal (V)
Pump off
Hysteresis
Pump on (Minimum pump speed)
Pump modulates (Linear)
4. Installation
43