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Benefit
Description
Setting
Effect
Holiday mode
240/348
Siemens Building Technologies
HVAC Products
4.226 Assignment of d.h.w. heating
• Assignment of d.h.w. heating to the respective consumers
• All relevant time switch programs are taken into consideration
• Controllers in holiday mode are taken into consideration
Determines the consumers for which d.h.w. will be heated and which time switch pro-
grams will be appropriately considered, also checking whether the relevant controllers
are in holiday mode.
Setting range
0...2
Depending on the selection made, d.h.w. will be heated for the following consumers:
0
For the local consumer only (RVP540 / RVP550)
1
For all consumers (controllers) in the same segment
2
For all consumers (controllers) in the LPB system
(only if the controller is in segment 0)
In the case of d.h.w. heating according to the heating circuit time switch program (oper-
ating line 771, setting 1), the time switch programs are used from the appropriate range
for the release of d.h.w. heating at the nominal temperature setpoint, based on the con-
sumers selected here.
With all settings (operating line 771, setting 0 - 2), it is checked whether the controllers
of the selected range are in holiday mode. Controllers in holiday mode will not be con-
sidered for d.h.w. heating.
If all controllers in the selected range are in holiday mode, d.h.w. heating will not be
released (the d.h.w. button flashes if it was previously switched on). Only the frost pro-
tection function will remain active (see chapter 6. "General control processes").
Basic Documentation RVP540 / RVP550
Description of the heating engineer settings
Unit
–
Factory setting
2
CE1P2488en
18.10.2002
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