Viessmann Vitovalor PT2 E11T Installation And Service Instructions Manual page 57

Filling the fuel cell module trap
B
Fig. 52
1. Remove the cover of filling aperture
2. Remove the closure of vent aperture
3. Undo funnel and then push it onto filling aper-
B
ture .
A
4. Turn on the ON/OFF switch on the fuel cell mod-
ule.
Checking all connections on the heating water and DHW sides for leaks
D
C
A
.
A
.
C
Commissioning, inspection, maintenance
(cont.)
5. Fill with distilled water (VDE 0510) until water runs
from the trap drain on the rear.
Distilled water (5 l) is available as an accessory
(see parts list).
!
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.
6. Once water has run from the drain, filling is com-
plete.
7. Remove funnel
B
to the front panel with the screw.
8. Push cover onto the filling aperture and secure
A
with the screw.
9. Fit the closure of vent aperture
from the filler neck and secure it
.
C
57