Alfa
hot air gas-
fi
red air heaters
18
52.10.03.2017.eng
In support of engineering, installation, servicing, and maintenance
Ordering No.
For units of the type
SZFSK00001
Filter clogging indication
The manostat closes its contacts and the red pilot lamp lights up in response to
an air
fl
ow drop due to
fi
lter clogging. Avoid meddling with the manostat setting.
Replace immediately the
fi
lter when the clogging indicator turns on.
Filter Clogging Indication
SW
FUS
230V/1,6A
R G C
MANOSTAT
PILOT LAMP
Filteration Boxes
Filteration boxes. Replaceable
fi
lter forms a part of the
fi
lteration box.
Filteration level: G4 for radial fans / G3 for thrust fans
D
F
300
D
E
F
C
B
A
Ordering No.
Pro jednotku
Rozm
ě
ry (mm)
A
B
C
D
E
F
FBDAU00001
AL25-29
500
520
540
500
520
540
FBDBU00001
AL35-49
560
580
600
560
580
600
Ordering No.
Filteration box for the unit
FBDAU00001
Filteration box with KS GLAZ G3 plate
fi
lter AL25-29,/SK500/
FBDBU00001
Filteration box with KS GLAZ G3 plate
fi
lter AL35-49,/SK600/
FBKAU00001
Filteration box with AL25-29 pocket
fi
lter,/SK500/
FBKBU00001
Filteration box with AL35-49 pocket
fi
lter,/SK600/
FBDCU00001
Filteration box with KS GLAZ G3 pocket
fi
lter AL62
