Switching On The Power Supply And The On/Off Switch; Selecting The Language - Only For Weather-Compensated Control Units; Setting The Time And Date - Only For Weather-Compensated Control Units - Viessmann Vitodens 200-W Installation And Service Instructions For Contractors

Commissioning, inspection, maintenance
Filling the heating system
Activating the filling function
Weather-compensated control unit
Service menu
1. Press OK and simultaneously for approx. 4 s.
å
2. "Service functions"
3. "Filling"
Filling function is enabled.
4. Ending filling function:
Press OK or .
ä

Switching on the power supply and the ON/OFF switch

Selecting the language - only for weather-compensated control units

At the commissioning stage, the display is in German
(factory setting).
Extended menu:
1.
å
2. "Einstellungen"
3. "Sprache"
4. Select the required language with
/ .

Setting the time and date - only for weather-compensated control units

The time and date need to be reset during commis-
sioning or after a prolonged time out of use.
Extended menu:
1.
å
2. "Settings"
3. "Time / Date"
4. Set current time and date.
22
(cont.)
Constant temperature control unit
Service menu
1. Press OK and
2. Select "
4 " and confirm with OK.
"ON" flashes.
3. Activate the filling function with OK.
"bF on" is shown constantly.
4. Ending filling function:
Press .
ä
Sprache
Deutsch
Bulgarski
Cesky
Dansk
Wählen mit
Fig. 16
Note on automatic testing of the flue gas tempera-
ture sensor
As soon as the time and date have been set, the con-
trol unit automatically checks the function of the flue
gas temperature sensor.
Weather-compensated control unit:
The display shows "Flue gas temp sensor test" and
"Active".
Constant temperature control unit:
The display shows "A".
If the flue gas temperature sensor is incorrectly posi-
tioned, commissioning will be cancelled and fault mes-
sage A3 will be shown (see page 87).
simultaneously for approx. 4 s.
å
DE
ê
ç
BG
ê
CZ
ê
DK
ê
(