Installation - Dometic DF Serie Instructions D'installation

PRE-INSTALLATION
Proper Return-Air Inlet Clearance
 When a furnace is installed so that supply ducts carry air circulated by the furnace to areas outside the space
containing the furnace, the return air shall also be handled by duct(s) sealed to the furnace casing and terminating outside the space
containing the furnace . Failure to do so could result in property damage, serious injury, or death .
Furnaces MUST have at least the Minimum Return Air detailed in section "A . Model Specifications" on page 4 and
page 5 .
FIG. 1
If one wall is close
to the Return-Air
Inlet, there MUST
be at least 2"
clearance from the
TOP or Inlet SIDE.
2"
FIG. 2
If 2 or more walls are
close to the Return-Air
Inlet, there MUST be at
least 3" clearance from
the TOP and Inlet SIDE.
(Vertical Installation)
Horizontal Wall
2"
Vertical Wall
(Either Side
Of Furnace)
(Vertical Installation)
Horizontal Wall
3"
Vertical Wall
3"
3"
Vertical Wall
2"
3"
3"
(Horizontal Installation)
7
Horizontal Wall
2"
(Horizontal installation)
Horizontal Wall
Vertical Wall