Siemens RVL481 Basic Documentation page 20

D.h.w. plant type 2
D.h.w. plant type 3
D.h.w. plant type 4
D.h.w. plant type 5
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D.h.w. heating with mixing group
Charging of d.h.w. storage tank through control of the mixing valve according to own
temperature sensor in the storage tank flow. Acquisition of the d.h.w. temperature with
one or 2 sensors or thermostats. Circulating pump and solar collector or electric immer-
sion heater are optional.
N1
Y7
B3
M3
K6
D.h.w. heating with changeover valve
Charging of the d.h.w. storage tank through control of the changeover valve. Acquisi-
tion of the d.h.w. temperature with one or 2 sensors or thermostats. Circulating pump
and solar collector or electric immersion heater are optional.
N1
Y3
K6
D.h.w. heating with heat exchanger
D.h.w. heating via heat exchanger (instantaneous d.h.w. heating) through control of the
2-port valve in the heat exchanger's primary return. Acquisition of the d.h.w. tempera-
ture in the heat exchanger's secondary flow. Circulating pump is optional, but strongly
recommended.
N1
Y7
D.h.w. heating with electric immersion heater
Charging of d.h.w. storage tank only through release of the electric immersion heater.
No control of d.h.w. heating by the controller. Circulating pump and solar collector are
optional.
N1
B31
K6
B32
Heating and D.h.w. Controller RVL481
3 Fundamentals
B6
B31
M4
B32
M5
B6
B31
M4
B32
M5
B3
M4
B6
M4
M5
CE1P2541en
20.05.2008