Fresh Air Housing (B3, Bx, Bp, Ba, Bw, Rp 070 To 093, Rw Assemblies) - Carrier 020-093 Installation, Operation And Maintenance Instructions

Packaged rooftop units
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12 - FACTORY OPTIONS AND ACCESSORIES
The following image shows the droplet eliminator placed:
All the screws required for this assembly are supplied in a bag.
12.3 - Fresh air housing (B3, BX, BP, BA, BW, RP
070 to 093, RW assemblies)
The fresh air housing is supplied disassembled with the unit, for
installation on site.
This housing is composed of the parts that appear in the following
image. The number of each part corresponds to the order of
assembly.
7
3
2
■ First, parts (1) and (2) must be connected. Then, part (3) is put
in place. This structure must be fi tted on top of the unit before
continuing with the assembly process.
8
5
6
4
1
2
Important: Silicone should be applied to the joining area of the
the fresh air housing with the machine, to prevent water entry
and ensure tightness.
7
■ Then, the screen panel (4) is fi tted to the cover and to the lower
tab which incorporates the machine.
■ Before fi tting the trim (6), the folded down hood (5) must be
positioned so as to rest against the lower tab of the trim. Next,
the trim is screwed onto the screen panel (4). This ensures that
the hood is secure but still able to move.
■ Finally, the hood (5) is raised and the left (7) and right (8) side
parts are secured, by being screwed onto the screen panel (4)
and onto the hood.
7
The screws required for this assembly are 4.8 self-tapping hex
except those of the trim (6) that are M4 Allen. All the screws are
supplied in a bag.
Note: if the unit incorporates droplet eliminator, the assembly
process is described in the previous section.
5
8
6
4
Lower tab
6
5
8
39

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