Siemens RVL471 - Heating Circuit Type 6 - Precontrol with District Heat; Plant Type 0 - no D.h.w; Plant Type 1 - D.h.w. Storage Tank with Charging Pump; Plant Type 2 - D.h.w. Storage Tank with Mixing Valve

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Siemens Building Technologies Basic Documentation RVL471 CE1P2524E
HVAC Products 3 Fundamentals 23.10.2002
3.2.7 Heating circuit type 6 – precontrol with district heat
2524S06
B7
B71
Y1
N1
1, 2 0, 5
Precontrol with district heat connection, with demand-compensated control of the sec-
ondary flow temperature acting on the valve in the primary return.
Heat demand signal from data bus. No heating program.
3.2.8 D.h.w. plant type 0 – no d.h.w.
The RVL471 does not provide d.h.w. heating.
3.2.9 D.h.w. plant type 1 – d.h.w. storage tank with charging
pump
B31
B32
M3
M4
2524S07
K6
Charging of d.h.w. storage tank through control of the charging pump. Acquisition of the
d.h.w. temperature with one or 2 sensors or thermostats. Circulating pump and electric
immersion heater are optional.
3.2.10 D.h.w. plant type 2 – d.h.w. storage tank with mixing
valve
2524S08
B3
Y7
B31
B32
M3
M4
K6
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 electric immersion heater are
optional.