69
13.
Regulate pressure again using fill valve
D
to
1.5 bar.
14.
Check whether fill valve
D
and drain valve
F
are
sealed.
15.
Dismantle the fill hose and drain hose.
16.
Lock filling connector
C
and drain connection
E
with the caps.
17.
Once air stops escaping through air vent valve
H
,
switch off the fuel cell circulation pump using the
software tool or the actuator and sensor test (Sys-
tem separation circuit pump OFF).
Checking all connections on the heating water and DHW sides for leaks
Setting max. heating output (gas condensing module)
A limit can be set on the maximum heating output for
heating mode
. The limit is set via the modulation
range. The upper limit of the max. adjustable heating
output is set by parameters specific to the appliance.
The adjustment is made in parameter
596.0
"Maxi-
mum heating output"
. See page 93.
Naming the heating circuits
In the delivered condition, the heating circuits are des-
ignated
"Heating circuit 1"
,
"Heating circuit 2"
,
"Heating circuit ..."
(if installed).
If the system user prefers, the heating circuits can be
renamed to suit the specific system.
To enter names for heating circuits:
Operating instructions
Entering heating contractor contact details
The system operator can call up contact details when
required and notify the heating contractor.
1.
2.
Select
"Information"
.
3.
Select
"Service contact details"
.
4.
Fill in each field and confirm with
OK
.
Measuring connection pressure (flow pressure)
Danger
CO formation as a result of incorrect burner
adjustment can have serious health implications.
Always carry out a CO test before and after
work on gas appliances.
Note
To measure the connection pressure, operate the gas
condensing boiler with max. heating output (DHW
heating).
Commissioning, inspection, maintenance
Filling system separation circuit fuel cell…
(cont.)
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