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8
Frame
DuctDuct
Frame
Frame
Roof
Opening
Roof Opening
Roof
SIDE VIEW
(TOWARD BACK OF RV)
Duct
Ceiling
Duct
TOP VIEW
(BACK OF RV)
● Return air openings must have
80 square inches (516 square
centimeters) minimum free area
including the filter.
● Return air to the unit must be filtered
to prevent dirt accumulation on the
unit cooling surface.
Air Distribution System
Installation
It is the responsibility of the installer to
review each RV floor plan to determine
the following items in conjunction with
“Air Distribution Duct Sizing and Design”
section on Page 8.
NOTE: Alternate configurations and
methods may be used which will allow
the unit to operate properly, however,
these alternate configurations and
methods MUST be approved by Furrion
in writing.
● Duct size
● Duct layout
● Register size
● Register location
● Thermostat location
● Indoor temperature sensor location (if
applicable)
Front
Registers 4
Min - 8 Max.
(Per Unit) 14
Sq. In. Free
Area Per
Register
Air Conditioner
Return Air
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