TBH LN Série Mode D'emploi page 56

LN / OEN
Pos.1: Main switch
Pos.2: Real time operation hour counter
Pos.3: Filter display
green LED = Filter ok,
●
1 st yellow LED = 30% Filter saturation
●
2 nd yellow LED = 75% Filter saturation
●
red LED = 100% Filter saturation
●
When reaching 100%, the system will shut
down for safety reasons!
16 Filter saturation percentage may vary dependent on the respective filter equipment. Flashing of the 30% warning light after a short
time is not necessarily an indicator for short altogether filter lifetime
5 Operation
Pos.4: Stand-By Switch
Pos.5: Stand-By Display
Pos.6: Speed control
Pos.7: Failure display (temperatur too high /
turbine dows not run)
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