Viessmann VITODENS 222-F Installation And Service Instructions Manual page 30

Commissioning, inspection, maintenance
Commissioning the system
Commissioning assistant
sequence
Plug 96 function
No function
■
External demand, DHW
■
circulation pump
External demand
■
External blocking
■
Thermostat function
■
EM-EA1 function
Remote control unit
The system carries out a restart.
Automatic flue gas sensor check
The display shows: "Testing, flue gas temperature
sensor" and "Enabled, please wait ...".
If the flue gas temperature sensor is not positioned
correctly, fault message F.416 appears on the display.
For further details regarding the flue gas temperature
sensor test, see "Repairs".
If fault message F.416 appears, reposition the flue gas
temperature sensor in the flue gas connection. Check
for leaks on the flue gas side.
Note
The burner remains locked out until the test has been
passed.
When the fault has been remedied, turn the ON/OFF
switch off and back on again.
Confirm the message with OK.
Switching WiFi ON/OFF
The system can be remotely controlled via the internet
using an app. To do this, establish a connection to the
router; see also page 22.
Activating the internet connection:
Operating instructions
Labels with the credentials required for commissioning
are attached to the programming unit.
Affix one of the labels with the credentials here so that
you can find it again when you need it:
30
(cont.)
Explanations and references
Function selection if a contact has been connected to plug 96 of the HMU
heat management unit
Pushbutton function, DHW circulation pump runs for 5 min.
Heat generator demand with adjustable set flow temperature (parameter
528.0) and set primary circuit pump speed (parameter 1100.2)
If a room temperature controller/room thermostat is connected in room tem-
perature-dependent operating mode
If an EM-EA1 extension (DIO electronics module) is connected as a function
extension
Selection of the connected function according to the table in the installation
instructions for the EM-EA1 extension
Set the type of remote control and subscriber no. as assignment to the re-
spective heating circuit. Up to 3 heating circuits can be assigned to one re-
mote control unit. It is not possible for several remote control units to act on
one heating circuit.
Fig. 25
Affix a further credentials label to the place marked on
the type plate.
Calling up the commissioning assistant at a later
point
If you need to continue commissioning later, the com-
missioning assistant can be reactivated at any time.
Tap the following buttons:
1.
2. Use
3. OK
4. Use
5. OK
and OK – press simultaneously for approx. 4 s,
then release.
/ to select "Basic settings".
/ to select "Commissioning assistant".