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7
Volvo L-5 A/C - Air Distribution System
INSTALLING THE RETURN AIR
VENT
The supplied return air vent should be installed under
the bunk in the side panel, either on the passenger or
driver side. The passenger side is recommended as
there is less chance that it will get blocked by objects
in the luggage compartment, and it will also allow
easy access to the refrigerant tting.
To install, locate the area shown in Figure 4.
The grill should be installed between the panel
supports on the backside of the kickpanel. Locate
the supports and cut out for the grill. A holesaw and
reciprocating saw is recommended to cut out the
hole. If your kit contains the 12.5" x 5.5" grills instead
of the 10" x 10" grill, use a 4" holesaw to cut at least
two holes behind each grill. Use of the reciprocating
saw is optional for those grills.
Figure 4. Vent location
INSTALLING THE SUPPLY AIR
DISTRIBUTION
For this installation, a custom air plenum must be
installed, as well as the Volvo ductwork. A 4" duct
will feed the Volvo ductwork, and a 6" (for the 14k
system) or 4" (for the 10k system) will feed the custom
air plenum.
Volvo Ductwork
To feed the Volvo ductwork, remove the passenger
side window footwell and a section of the duct, as
shown in Figure 5 and 6.
The duct is secured from the top by “star” screws.
Below the bunk, there is a sensor which must be
removed. Access the sensor from the passenger
luggage door. Remove the duct from the truck, and
cut a 4" hole into it as shown in Figure 7 & 8.