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Description
Line 93
Effect
Description
Line 94
Forward shift
Description
Line 95
Siemens Building Technologies
HVAC Products
4.24 D.h.w. operating mode selector
The operating mode button for d.h.w. on the controller front an be extended by the
d.h.w. operating mode "ON eco". This additional operating mode is used for d.h.w.
systems with instantaneous heating. Also refer to section "D.h.w. operating mode".
1.
Press the line selection buttons to select line 93.
2.
Press the + / – buttons to release or lock operating mode "ON eco".
Setting range
Without ECO / With ECO
When using setting "With ECO", the user can also select operating mode "ON Eco" via
the d.h.w. operating mode button.
4.25 Control of d.h.w. circulating pump
The d.h.w. circulating pump is used for circulating the d.h.w. D.h.w. circulation prevents
the d.h.w. from cooling down by the time it reaches the consumer. With this setting, the
temporal dependence for operation of the circulating pump can be selected.
Setting range
Release of d.h.w. / Prog 2
Release of d.h.w. – according to d.h.w. release
The d.h.w. circulating pump is activated and deactivated according to the d.h.w. release
selected on line 91. During that period of time, the circulating pump operates
continuously, without giving consideration to actual d.h.w. heating.
Prog 3 – according to time switch program 3
The d.h.w. circulating pump is controlled according to the switching times of time switch
program 3. It is thus possible to operate the circulating pump only during the times of
usage individually set.
Prog 2 - according to time switch program 2
The d.h.w. circulating pump is controlled according to the switching times of time switch
program 2. It is thus possible to operate the circulating pump only during individually set
times of usage.
The circulating pump does not follow any forward shift. This means it is operated in
accordance with the actual times of usage.
General
4.26 Programming
If the parameter values shall not be changed, entry can be locked.
1.
Press the line selection buttons to select line 95.
2.
Press the + / – buttons to activate or deactivate programming.
Basic Documentation QAA73.110 Room unit
Error! Style not defined.
Unit
–
Unit
–
Factory setting
Without ECO
Factory setting
D.h.w. program
49/70
CE1P2284en
19.06.2002
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