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Siemens Building Technologies Basic documentation RVD240 CE1P2384en
HVAC Products 19 Function block Assignment of d.h.w. 27.05.2004
19 Function block Assignment of d.h.w.
19.1 Operating line
Line Function, parameter Unit Factory setting Range
125 Assignment of d.h.w. heating 0 0...2
19.2 Assignment of d.h.w. heating
Operating line 125 is used to select for which controllers in an LPB system the d.h.w. is
heated or, in other words, which heating circuits get their d.h.w. from the same source.
With plant types x–0, this setting is not required since they provide no d.h.w. heating.
Setting Explanation
0 The d.h.w. is only provided for the heating circuit associated with the own
controller.
1
The d.h.w. is only provided for the heating circuits of the controllers with
the same segment number that are connected to the data bus (LPB).
2
The d.h.w. is provided for all heating circuits of the controllers connected to
the data bus (LPB).
The setting is active only when setting 1 (according to the space heating switching pro-
gram with forward shift) has been selected on operating line 101 (d.h.w. release).
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