Enclosure For Lower Return (Models 052 To 062 With R2 Assembly); Return Fans Module (Models 052 To 062 With Rp Assembly) - Carrier 50FF/FC 020-093 Installation, Operation And Maintenance Instructions

12 - FACTORY OPTIONS AND ACCESSORIES
12.5 - Enclosure for lower return (models 052 to
062 with R2 assembly)
Models 052 to 062 with R2 assembly are supplied factory-set with
a lateral air return.
Lateral return
An enclosure must be fi tted for the lower return, as shown in the
image.
All the parts and screws required for this assembly are supplied
with the unit.
Lower return
This enclosure is composed of the parts that appear in the
following image. The number of each part corresponds to the
order of assembly.
1
■ First, side part (1) must be connected. Then, parts (2) and (3)
are put in place.
38
3
1
2
4
All these parts are fi tted to the unit using 4.8 self-tapping hex
screws.
■ Finally, the trim (4) is fi xed using M6 Allen screws.
Self-tapping
hex screws
12.6 - Return fans module (models 052 to 062 with
RP assembly)
12.6.1 - Transport and handling
In these models, the module with the return fans is supplied
disassembled with the unit, for installation on site.
For transport and lifting up to the roof using a crane, a rocker arm
as well as approved slings must be used. These slings are attached
on the grips fi tted to the cover of the module.
12.6.2 - Installation
■ First, the three reinforcement parts (1) are fi tted to the base
frame of the unit, using the 8x30 hex screws (supplied in a bag).
■ Next, the module is secured to the unit using 10x30 hex bolts.
To do this, the side panels secured with M6 Allen bolts must
be removed from the module.
M6 Allen
screws
Lifting
grips
Reinforcement parts