Air Distribution Duct Installation; Duct Size And Requirements Return Air Cover; Duct Size And Requirements For Genesis Air Filtration System - Dometic 57908.321 Installation Instructions Manual

C. AIR DISTRIBUTION DUCT INSTALLATION
1. Install the Air Distribution Ducts in the RV Roof Cavity. The Distribution System must meet:
a. RV's requirements
b. System requirements listed in Section 4 on page 6 of this Manual. Terminate the start of the Duct at the back edge
of the 14-1/4" x 14-1/4" (±1/8") opening previously cut. See FIG. 2, 3, & 4.
Duct Size And Requirements For 3105007.XXX And 3105935.XXX Return Air Cover
FIG. 3
Register Required
Short Duct Run Minimum
1/3 Total Duct Length
Ducts Min.
Depth 1-1/2"
Width 7.0"
Total Length 15.0'
Register Required
Note: Duct Size is Inside Dimensions
FIG. 4
Duct Size And Requirements For 3308120.XXX Genesis Air Filtration System
Register Required
Short Duct Run Minimum
1/3 Total Duct Length
Ducts Min.
Depth 2.0"
Width 8.0"
Total Length 15.0'
Register Required
Note: Duct Size is Inside Dimensions
INSTALLATION INSTRUCTIONS DUCTED CCC
FIG. 2
DUCT
FRAME
LOW VOLTAGE WIRES:
12VDC
Furnace
Load Shed
Sensors
ROOF
(TOWARD BACK OF RV)
INSULATION
DUCT
Total Outlet Air Area
Minimum 21.0 Sq. In.
Max.
2-1/2"
10.0"
40.0'
Total Outlet Air Area
Minimum 32.0 Sq. In.
Max.
2-1/2"
10.0"
40.0'
TOP VIEW
(BACK OF RV)
FRAME
14-1/4" (±1/8")
OPENING
DUCT
AC POWER
SUPPLY WIRE
FRAME
CCC, CONTROL CABLE(S)
or 7-Wire Analog Cable
SIDE VIEW
DUCT
14-1/4" (±1/8")
OPENING
CEILING
INSULATION
Roof
Rafters
14-1/4"x14-1/4" (±1/8")
Roof Opening
Roof
Rafters
14-1/4" x 14-1/4" (±1/8")
Roof Opening
8
Register Required
Registers
8 Min.-- 12 Max.
(Per Unit)
14 Sq. In Free Area
Per Register
Register Required
Register Required
Registers
8 Min.-- 12 Max.
(Per Unit)
14 Sq. In Free Area
Per Register
Register Required