23
March 2011
Flex Fuel Owner’s Manual
The furnace is then switched on and you are returned to the start screen. The status line indicates the
current operational status of the furnace.
The significance of the status lines are best described in sections
•
Section 11.6: Status lines during furnace operating mode “Bulk materials”
•
Section 12.6: Status lines during furnace operating mode “Bulk materials auto control"
•
Section 13.6: Status lines during furnace operating mode “Pellets auto control”
Note: The furnace switch-on procedure is the same in all furnace operating modes
(“Pellets auto control”, “Bulk materials” and “Bulk materials auto control”).
7.2 Switching the Furnace Off
To switch the furnace off, press and hold the ESC button when the start screen is being displayed. A
switch-off message is displayed for several seconds before returning to the start screen.
The status line then indicates
“Boiler is switched off!”
If the furnace is running in Bulk materials or Bulk materials auto control mode, it is only possible to switch
off the furnace when the following conditions are met:
• Low flue gas temperature (Below factory default)
• Air factor is above 2.50
• Lambda sensor pre-heat time has elapsed (duration 150 seconds)
7: Switching the Furnace On/Off
Your boiler
is switched off!
Boiler operating mode:
Bulk materials
