Changing The Heating Curve - Viessmann VITOTRANS 353 Operating Instructions Manual

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Setting a time program
3.
/
until "- - : - -" is displayed for the end point.
|
~
Note
Display "- - : - -" appears if the start and end
time are the same.
Heating
Mo-Fr
0
2
4
6
8 10 12 14 16 18 20 22 24
- -:- - - - -:- -
?
u
- -:- - - - -:- -
§
u
Adopt with
Fig. 25
4.
to confirm.
d
5.
until the default display is shown.
ä
Incorporating time phases into the standard set-
tings
If you want to restore all time phases to their factory
settings, press the following keys:
1.
for the "Extended menu".
å

Changing the heating curve

If the room temperature does not meet your require-
ments for a prolonged period of time you can alter
the heating characteristics.
You alter the characteristics by changing the slope
and level of the heating curve. For more information
regarding the heating curve, see page 28.
Please observe the modified heating characteristics
over several days (if possible, wait for a major
change in the weather) before making further adjust-
ments.
Heating characteristics
The living space is too cold during
winter.
The living space is too hot during win-
ter.
The living space is too cold during
spring/autumn and during winter.
The living space is too hot during
spring/autumn and during winter.
(cont.)
HC1
Std
Std
OK
Action
Set the heating curve slope to the next
higher value (e.g. 1.5)
Set the heating curve slope to the next
lower value (e.g. 1.3)
Set the heating curve level to a higher val-
ue (e.g. +3)
Set the heating curve level to a lower val-
ue (e.g.
3)
2.
/
to select "Settings".
|
~
3.
to confirm.
d
4.
/
for "Standard setting".
|
~
5.
to confirm.
d
6.
/
for "Heating".
|
~
7.
d
to confirm.
8.
/
to select "Heating circuit 1" (HC1), "Heat-
Ù
Ú
ing circuit 2" (HC2) or "Heating circuit 3"
(HC3, if installed).
9.
/
to select "Yes".
|
~
10.
to confirm.
d
11.
until the default display is shown.
ä
Changing slope and level
For assistance, use the following table.
Central heating
Example
Slope
1.5
Level
0 K
Slope
1.3
Level
0 K
Slope
1.4
Level
3 K
Slope
1.4
Level
-3 K
27

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