Dometic DF Series Installation Manual

12
PRE-INSTALLATION
HORIZONTAL OR VERTICAL USE
(DUCTS 3, 4, & 5) OR BOTTOM
EXIT INTO HARD FLOOR DUCT
4" FLEX DUCTS
5" FRONT EXIT
FLEX DUCTS
SMALL
DFS20
Minimum CFM
N/A
130 92
DISCHARGE
REQ.
N/A
Two 4" flex ducts –
one each from the left and right side, based
on horizontal or vertical mounting.
One 5" OR two 4" ducts
(5" can be reduced to 4"
if necessary)
DFS16
Minimum CFM
N/A
110 82
DISCHARGE
REQ.
N/A
Two 4" flex ducts –
one each from the left and right side, based
on horizontal or vertical mounting.
One 5" OR two 4" ducts
(5" can be reduced to 4"
if necessary)
DFS12
Minimum CFM
N/A
90 80
DISCHARGE
REQ.
N/A
Two 4" flex ducts –
one each from the left and right side, based
on horizontal or vertical mounting.
One 5" OR two 4" ducts
(5" can be reduced to 4"
if necessary)
DFSA12
(LOW AMP)
Minimum CFM
N/A N/A
60
DISCHARGE
REQ.
N/A N/A One 5" front duct ONLY

Air flow: shown in cubic feet-per-minute, taken with a cold system (Cold CFM).
Registers: 4" x 10" floor registers flow air better than 4" Round Plastic registers. Using 4" Round registers may require additional
ducting.
Required Discharge
MODELS REQUIRED DISCHARGE AREA
SMALL
DFSA12 Front Grill or 15 in.
2
DFS (12, 16, & 20) 24 in.
2
MEDIUM
DFM (16 & 20) 24 in.
2
with 4" flex
DFM (25 & 30) 36 in.
2
with 4" flex
DFM35 48 in.
2
with 4" flex
DFM (30 & 35) Horizontal Bottom 48 in.
2
(Bottom + 4" duct)
DFM (16, 20, & 25) Horizontal Bottom 40 in.
2
(Bottom only)
DFM Vertical Bottom 48 in.
2
(Bottom only)
LARGE
DFL (35 & 40) 36 in.
2
with 4" flex
DFL (35 & 40) Horizontal Bottom 48 in.
2
(Bottom + 4" duct)
DFL (35 & 40) Vertical Bottom 48 in.
2
(Bottom only)

Dometic DF Series Specifications

General

Brand	Dometic
Model	DF Series
Category	Furnace
Language	English