Carrier 50FC 020-099, Installation, Operation And Maintenance Instructions, Page: 43 / 80

43
12.7 - Air
fi
lters
The access panel to the
fi
lters incorporates dual locks, they can
function as hinges or can be used to remove the panel.
Note: Check that the locks are not blocked. Open them with a 4
mm Allen wrench (in an anti-clockwise direction).
12 - FACTORY OPTIONS AND ACCESSORIES
■
Finally, raise the hoods and secure the side parts.
Access panel
“Standard” assemblies
Access panel
“In-line” assemblies
Electrical connection to be made by the costumer:
Note: see the wiring diagram included with the unit for a more
detailed information about the wiring.
The connection is done trought the left-hand panels (front view).
50FF/FC unit
RP 052 to 062
Return fans
module
5
4
3
2
1
Return probe
Damper
servo
5
4
3
2
1
BOX6
BOX6
TP
Initial location of the cables for connection:
Connection to be made by the customer:
5
4
3
2
1
W60TP
W33TP
W68TP
W67TP
VR1
VR2
Return probe
Damper
servo
50FF/FC unit
RP 052 to 062
Return fans
module
BOX6
BOX6
TP
5
4
3
2
1 W60TP
W33TP
W68TP
W67TP
VR1
VR2
Electric
panel
S1
S1
Electric
panel
10x30 hex screws
Left-hand
panels
■
These units include G4 gravimetric
fi
lters standard type, which
can be replaced by:
- G4 gravimetric
fi
lters with low pressure drop.
- G4 gravimetric
fi
lters standard type + M6, F7 or F9 folded
opacimetric
fi
lters.
- G4 gravimetric
fi
lters with low pressure drop + F7 or F9 folded
opacimetric
fi
lters.
- Double stage of folded opacimetric
fi
lters (M6 + F7, M6 + F9,
F7 + F9 or F9 + F9).
■
The thickness of the frames is 25 mm for the G4 standard type
and 50 mm for the G4 low pressure drop and all opacimetric
fi
lters.
Filters supplied from the factory can be replaced on site by
other types of
fi
lters with di
ff
erent thickness.
The filter holder structure supports the following filter
combinations: 25 mm, 25 mm + 50 mm, 50 mm + 50 mm.
The
fi
lter holder structure incorporates a tensioner that can be
moved along a guide to adjust the width according to the chosen
combination. With the help of a locking knob, the position of
the frames is locked after placement.
To extract the frames from each row, simply slide the tab.
Note: the
fi
lters cleaning procedure is explained in the chapter
of “Maintenance”.
Tab for displacement
of the frames
Tensioner
Locking knob for
the tensioner Guide