Basic Documentation

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Siemens Universal controllers RMU710B, RMU720B, RMU730B CE1P3150en
Building Technologies Aggregates 03.10.2011
10.2.1 Activate pump block
The pump block is activated via assignment to the corresponding outputs.
Valid configurations:
Motor / Pumps Configuration point Setting
Single pump Pump A
Pump B
Qx
---
Twin pump Pump A
Pump B
Qx
Qx
Any free relay can be assigned to the output. For transparency, we recommend to
arrange the relays side by side.
Main menu > Commissioning > Extra configuration> Aggregates > Pumps > Pump 1...4 >
Operating line Adjustable values / remarks
Pump A ---, N.Q1, N.Q2, ... (free outputs only).
Pump B ---, N.Q1, N.Q2, ... (free outputs only).
10.2.2 Operating mode
To enable the pump to be switched on via the plant operating mode, value
"Operating mode-dependent ON" must be set to "Yes".
Main menu > Commissioning > Extra configuration > Aggregates > Pumps > Pump 1…4
Operating line Adjustable values / remarks Factory setting
Operating mode-
dependent ON
Yes, No No
The pumps are switched on as per the plant operating mode (thus e.g. also during
sustained mode, night cooling, etc.). The pumps are switched off if the plant
operating mode is Off, e.g. based on a fault triggering a plant stop.
In normal operation, the pumps are assigned to the operating modes as follows:
Room operating mode Pump
Comfort:
On
Precomfort:
On
Economy:
Off
Operating mode-dependent ON.
DO
N Q1
M

Configuration
Configuration
Example