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Siemens
Heating and D.h.w. Controller RVL481
CE1P2541en
Building Technologies
3 Fundamentals
20.05.2008
Notes on the plant diagrams with the different types of space heating and d.h.w. circuits
are given in the following sections:
•
Symbols and
indicate where and how the space heating circuit is connected to
the d.h.w. circuit. where:
representing the flow
representing the return
•
The numbers beneath these symbols indicate the type of d.h.w. circuit with which the
heating circuit can be combined
3.2.2 Heating
circuit plant types
Heating circuit control with mixing group
Space heating with weather-compensated flow temperature control. 3-position control
acting on the mixing valve of the heating zone.
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 1, 2 and 4 via hydraulic connection at and
•
with type 5 without hydraulic connection
A6/B5
B7
252
4
S
01
1, 2, 4
Heating circuit control with boiler
Space heating with own boiler, with weather-compensated boiler temperature control.
2-position control acting on the burner.
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 1, 2 and 3 via hydraulic connection at and
•
with type 5 without hydraulic connection
A6/B5
25
24
S02
1, 2
3
Heating circuit
plant type 1
Heating circuit
plant type 2
