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Siemens Building Technologies
Basic Dokumentation RVA63.280, RVA53.280
CE1P2374E
Landis & Staefa Division
19.04.2001
2.27.1
Examples of room unit assignments
In the case of plants with two heating circuits and one room unit, it may be advisable to
choose a separate assignment of the room unit functions. The listing below shows
some typical applications with the respective settings of the room unit operating mode
(line 103) and the room unit values (line 104).
The heating circuits are in separate, independent flats or apartments. This represents
the "normal application ".
Plant types
Location of heating circuits
Line 103
Line 104
21/22/23/24
Not in the same space
0
0
The heating circuits are located in partly separate spaces or flats.
Plant types
Location of heating circuits
Line 103
Line 104
21/22/23/24
Not in the same space
2
0
•
The heating circuits are always separate.
Plant types
Location of heating circuits
Line 103
Line 104
21/22/23/24
Not in the same space
0
0
•
Simultaneous change of the operating mode is possible, however.
Plant types
Location of heating circuits
Line 103
Line 104
21/22/23/24
Not in the same space
2
0
The heating circuits are located in the same space. Comfort control is provided by the
faster-reacting radiators. This means that the room unit values shall only act on heating
circuit 2.
Plant types
Location of heating circuits
Line 103
Line 104
21/22/23/24
In the same space
2
1
Introduction
Separate flat
Bathroom heating
Staircase heating
Underfloor or radiator
heating system
