75
10.
Fill with distilled water (VDE 0510).
Distilled water (5 l) is available as an accessory.
When the displays "01" to "02" flash:
Fill with distilled water until water runs from the
trap drain at the back.
!
Please note
Commissioning with non-distilled water
(VDE 0510) (e.g. tap water) will damage the
appliance.
Fill only with the distilled water supplied or
available as an accessory (VDE 0510).
Danger
Escaping flue gas can damage your health.
Ensure that the integral trap is filled with
water.
11.
Once water has run from the drain, filling is com-
plete.
12.
Remove funnel
B
from the filler neck and secure
it to the front panel with the screw.
13.
Push cover
A
onto the filling aperture and secure
with the screw.
14.
Fit the closure of vent aperture
C
.
15.
Confirm filling with
SET
. A venting program will
then start.
The process takes about 40 to 60 min.
16.
When "05" is displayed in
STATE
, the venting
process has finished and the start phase will com-
mence.
The starting procedure automatically follows the
venting program and takes approx. 60 min.
17.
When "12" is displayed in
STATE
, power genera-
tion starts.
Indicators
"GEN"
and
"GRD"
illuminate.
Note
A fault has occurred during the commissioning
process if the display alternately shows
"End"
and
"n1"
,
"n2"
or
"n3"
. For explanations see the fol-
lowing table.
■
Find the cause of the fault. Remove the fault.
■
Then switch off the ON/OFF switch for the fuel
cell module and switch it on again after
10 seconds. Initiate new starting procedure.
■
If a fault recurs or the cause of the fault is
unclear, notify Viessmann Technical Service.
18.
Terminate maintenance mode if the transferred
electrical output is more than 600 W: See energy
cockpit and the next chapter.
19.
Replace the programming unit cover on the fuel
cell module.
Commissioning lapse times
Phase
Duration (approx. min)
01
Preparation for filling with distilled water.
1
02
Fill with distilled water. Confirm filling.
5
03 - 05
Ventilation programme, distilled water circuit
40 to 60
06 - 10
Heating
40 to 60
11 - 12
Power generation (up to specified electrical output > 600 W)
10 to 25
Fault messages
Display in
STATE
Cause
Remedy
n1
No heat transfer from the fuel cell
module possible
Remedy the cause for the lack of heat transfer.
Use consumers to draw off heat until the "n1" message
disappears.
n2
Fuel cell module is in cooling mode.
Wait until cooling mode has terminated and the "n2"
message disappears.
The process may take up to 90 min.
n3
Fuel cell fault
Read the fault message on the control unit and take
measures according to the information in "Trouble-
shooting".
Commissioning, inspection, maintenance
Filling with distilled water and starting the…
(cont.)
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