Installation - Dometic DFSD12 Installation Manual

INSTALLATION

A. Installing The Furnace Using A Standard Door Option
STEP 1
The standard door option requires that the rectangular
hole cut into the wall for the door opening has sharply cut
corners to match the Furnace . The Furnace must be able to
slide freely through the opening .
• Place the Furnace through the cutout approximately 1"–2"
from the wall .
• Apply RTV sealant or butyl tape to the entire back flange of
the bezel .
STEP 3
• Connect the electrical wiring . Refer to "H . Connecting The
Electrical" on page 22 .
• Connect the gas line to the valve . Refer to "F . Connecting
The Gas" on page 20 .
Sealant
(Or Butyl Tape)
Bezel
Electrical Connection
Gas
Connection
STEP 2
RV Wall
• Place the bezel over the tabs and flush with the front edge
of the casing . Be sure the edge of the bezel marked "TOP"
faces the top of the casing . Bend the casing tabs over the
bezel .
• Push the Furnace and bezel against the side wall . Secure
using six #6 or #8-18 Pan Head Type A screws (not
provided) placed through the bent tabs, bezel, and into
the RV wall .
• Place six more screws (three per side) to the left and right
side of the bezel . The bezel MUST fit tightly against the
wall . Remove excess sealant .
Do NOT deform the bezel during placement . The bezel
must fit tightly to maintain an airtight seal .
STEP 4
Mounting
Bracket
RV Wall
• Align the door with the bezel .
• Secure the door with four #6-19x1/2" thread-forming
screws for plastic (not provided), or with a screw that
engages the RV wall and that is longer than 1/2" .
• Place the screws through the door into the bezel bosses .
• Insert the vent assembly (provided) through the hole in
the door, making sure the vent assembly goes into the
chamber tube . Make sure the vent assembly is aligned with
the Dometic text at the TOP .
• Secure the vent assembly to the door using four stainless
steel exhaust screws (provided with the door) .
• To secure the Furnace to the floor of the RV, proceed to
"D . Installing The Mounting Brackets" on page 19 .
16
Bezel
Bezel
Door
Vent
Assembly