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Siemens Heating and D.h.w. Controller RVL481 CE1P2541en
Building Technologies 3 Fundamentals 20.05.2008
Heating circuit control with heat exchanger
Space heating with district heat connection, with weather-compensated flow tempera-
ture control acting on the valve in the primary return of the district heat connection.
Outside temperature signal from own sensor or data bus. With or without room influ-
ence. Heating up and setback according to the heating program.
Can be combined with d.h.w. types:
• with types 2, 4 / type 1 / type 3 via hydraulic connection at
and
• with type 5 without hydraulic connection
B7
B71
2521S03
A6/B5
Y1
N1
2, 4 1
3
Precontrol with mixing group
Precontrol with demand-dependent control of the main flow temperature. 3-position
control acting on the mixing valve in the main flow.
Heat demand signal from data bus. No heating program.
Can be combined with d.h.w. types:
• with types 1 and 2 via hydraulic connection at
and
• with type 5 without hydraulic connection
2524S04
B7
1, 2
Precontrol with boiler control
Precontrol with demand-compensated control of the boiler temperature. 2-position
control acting on the burner.
Heat demand signal from data bus. No heating program.
Can be combined with d.h.w. types:
• with types 1, 2 and 4 via hydraulic connection at
and
• with type 5 without hydraulic connection
2541S05
B7
1, 2, 4
Heating circuit
plant type 3
Heating circuit
plant type 4
Heating circuit
plant type 5
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