16
2. Operation
2.5.4 Solid fuel/buffer mode
If the FireWIN pellet central heating boiler for living areas is combined with a
solid fuel boiler or an buffer tank, the WVF or B-PLM automatically switches
over between pellet and solid fuel/buffer mode.
Combustion of the FireWIN is stopped when the WVF or B-PLM module sends
the request to switch over to solid fuel/buffer mode – Fig. 20.
Following this, the system switches over to solid fuel/buffer mode and the
FireWIN burner is locked – Fig. 21
If the pellet central heating boiler for living areas is switched off using the ON/
OFF button on the InfoWINplus, an automatic switchover to solid fuel/buffer
mode is performed in conjunction with a WVF module. Once the InfoWINplus
unit is switched on, the pellet central heating boiler may be locked for a maxi-
mum of 15 minutes due to the switch-over delay. This is displayed by InfoWIN-
plus – Fig. 21.
After an hour in solid fuel/buffer mode, the display is shut down fully, only the
green LED is lit up. The display is switched back on by pressing a button or when
there is a heating requirement.
Fig. 18
Pellet feed
Burnout
Info Menu
42
°C
Fig. 19
Pellet feed
in operation
Burner locked
Info Menu
42
°C
Fig. 20
Solid fuel/ buffer mode
Burnout
Info Menu
42
°C
Fig. 21
Solid fuel/buffer mode
Burner locked
Info Menu
42
°C
2.5.3 Pellet feed
Pellet feed – burnout
Pellet feed from the storage room into the reserve supply container has been
requested. Combustion is stopped.
Pellet transport into the burner pot is stopped, the Induced draught fan conti-
nues to run until all the remaining pellets have been burned and the burner pot
has cooled down – Fig. 18.
Pellet feed in operation
The pellet feed is in operation. Pellets are supplied from the storage room into
the reserve supply container. The burner is locked – Fig. 19.
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