Fuel Cell Module Commissioning; Starting Maintenance Mode - Viessmann Vitovalor PT2 Installation And Service Instructions For Contractors

Commissioning, inspection, maintenance
Function sequence and possible faults (gas...
Yes
Automatic calibration of
the combustion controller
More details regarding faults can be found on the
page 115.

Fuel cell module commissioning

Further commissioning of the fuel cell module may
only be carried out by Viessmann Technical Service or
a contractor certified by Viessmann.
The following options are available for commissioning
the fuel cell module:
Commissioning via the fuel cell module programming
■
unit: See following chapters.
■ Commissioning via software tool: See online help.
!
Please note
Simultaneous commissioning via the software
tool and the fuel cell module programming unit
will result in the system malfunctioning.
Commissioning must only be carried out via one
of the options given.

Starting maintenance mode

Start the maintenance mode to commission the fuel
cell module or to perform maintenance work.
If the fuel cell module is in operation, it will be shut
down. Power generation will be interrupted.
Note
If the fuel cell module does not immediately enter
maintenance mode (e.g. in the shutdown phase), wait
until maintenance mode is active. Maintenance mode
is adopted when the "MNT" indicator on the program-
ming unit is illuminated.
Start maintenance mode to commission the fuel cell
module or to perform a service.
72
Fault F.62, F.373
No
Fault F.346, F.377
If the gas condensing module is going to be oper-
ated before commissioning the fuel cell module:
■
■
If the fuel cell module is in operation, it will be shut
down. Power generation will be interrupted.
(cont.)
Ensure adequate heat trans-
fer. Reset device.
Check gap between ionisa-
tion electrode and burner
gauze assembly.
Check flue system. Remove
flue gas recirculation if re-
quired.
Reset device.
The trap on the fuel cell module must be filled.
The fuel cell module ON/OFF switch must be
switched ON.
Operating instructions