76
Note
The fuel cell module will only start operating again if
"Ecological"
,
"Economical"
or
"Energy manager
OFF"
has been selected at the programming unit.
Tap the following buttons:
1.
2.
"Fuel cell"
3.
for
"Ecological"
,
"Economical"
or
"Energy manager OFF"
Note
For installation without an external electricity meter,
select operating mode
"Energy manager OFF"
.
4.
to confirm
5.
Check that the
"MNT"
indicator on the fuel cell
module programming unit is OFF.
If the indicator is still illuminated, terminate mainte-
nance mode via the programming unit of the fuel
cell module: See the following chapter.
Terminating maintenance mode on the fuel cell module programming unit
1.
Check that
"Ecological"
,
"Economical"
or
"Energy manager OFF"
is selected at the pro-
gramming unit.
If not, select one of the operating modes.
2.
Use to select
"17"
on the fuel cell module pro-
gramming unit.
3.
Press and hold
SET
for at least 3 s.
"OFF"
will appear in
STATE
.
Maintenance mode has terminated if the
"MNT"
indicator is no longer illuminated.
Tightness test on balanced flue system (annular gap check)
A
Fig. 69
A
Combustion air aperture (ventilation air)
Commissioning, inspection, maintenance
Terminating maintenance mode and activating energy manager
5853335
