Changing The Set Value Of Residual Oxygen Content; Restoring The Factory Settings - Viessmann VITOTRANS 353 Operating Instructions Manual

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Further adjustments

Changing the set value of residual oxygen content

Only change this setting in consultation with a heating
contractor or let a heating contractor change it.
In the delivered condition, the min. set value is 7 %.
Press the following keys in the standard menu:
1.
for the extended menu
å
2.
/
for "Boiler"
|
~
3.
to confirm.
d

Restoring the factory settings

You can individually restore all modified values for
each heating circuit to their factory setting.
1.
for the "extended menu"
å
2.
/
for "Settings"
|
~
3.
to confirm.
d
4.
/
for "Standard settings"
|
~
5.
to confirm.
d
6.
/
for selecting the required sub-menu.
|
~
The available options are "General",
"Boiler", "Heating" or "DHW".
Select the required heating circuit under
"Heating" with
7.
to confirm.
d
8.
/
to change "No" to "Yes"
|
~
9.
until the default display is shown.
ä
The following settings and values are reset:
Set room temperature
Set DHW temperature
Time program for central heating
Time program for DHW heating
Party mode is deleted
Economy mode is deleted
Holiday program is deleted
Heating curve slope and level
38
/
and continue.
Ù
Ú
4.
/
for "Flue gas residual O2"
|
~
5.
to confirm.
d
6.
/
for the required value.
|
~
7.
to confirm.
d
8.
until the default display is shown.
ä

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