Siemens RVD230 Basic Documentation page 76

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HVAC Products
T
BWx
T
BWw
T - SD
BWw BW
T - SD - 2 K
BWw BW
ON
1
OFF
ON
2
OFF
ON
3
OFF
4
①
Circulating pump
②
Forced charging
③
Release of the legionella function
④
Start conditions for the legionella function met
⑤
Start dwelling time
⑥
Reset dwelling time
⑦
Start dwelling time
⑧
Dwelling time has elapsed
T D.h.w. temperature
BWx
T D.h.w. temperature setpoint
BWw
SD Switching differential of d.h.w. heating
BW
t Time
If a maximum d.h.w. charging time has been set, it also acts here. If the legionella set-
point is not reached, the legionella function will be interrupted and resumed on comple-
tion of the maximum charging time.
The legionella setpoint will not be affected by the maximum of the d.h.w. temperature
setpoint.
Basic Documentation RVD230
18 Function block Extra legionella functions
5 6 7
8
t
CE1P2383en
27.05.2004