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6
Installation Specifications
• When connecting the duct work to the back of the unit,
the customer must supply a 3 ¼” X 10” rectangular
transition to make the connection.
• For side and bottom exhaust connections, use the sup-
plied ATD2 transition to connect the duct work to the
unit.Ittransitionsbetweenthe1⅝”X16”exhaustout-
let on the unit and a 3 ¼” X 10” rectangular duct con-
nection. On bottom exhaust installations cut a hole in
the floor to allow the transition and/or duct work to pass
through the floor (see page 8).
ADT2 Transition
• All duct work materials (including screws and duct tape)
must be purchased separately by the customer.
• When planning new duct work, always look for the
shortest, most direct route to the outside. See page
5 for examples.
• You can increase the duct size over the duct run if
desired. To prevent a back draft, never decrease the
duct size over the run.
• Do not rely on duct tape alone to seal duct joints.
Fasten all connections with sheet metal screws and
tape all joints with certified silver tape or duct tape.
• Use sheet metal screws as required to support the duct
weight.
• To prevent back-drafts, a damper at the duct outlet may
also be required.
You must install one of the Dacor remote or in-line blower
models listed below for the raised vent to operate properly.
See the blower installation instructions for directions. Only
one blower shall be installed.
APPROVED DACOR BLOWERS
FOR USE WITH ERV3015 AND ERV3615
Model
Number
REMP3 REMP16 ILHSF8 ILHSF10
Rating* 600 CFM 1000 CFM 600 CFM 1100 CFM
* Nominal rating at zero inches static pressure. See blower
installation instructions for actual ratings.
The raised vent can be configured to exhaust through the
back, the bottom or either side by removing the appropriate
exhaust knock out shown below.
Rear Exhaust Knock Out (3 ¼
”
X 10”)
3”
Vertical center line of rear exhaust knock out lines up with vertical
center line of chassis
The vertical center line of bottom knock out is offset 3”
Side Exhaust Knock Outs (1 ⅝
”
X 16”)
Bottom Exhaust Knock Out (1 ⅝
”
X 16”)
Motor
cover
Front of unit
26" (66.0 cm)
6 1/2
”
(16.5 cm)
1 1/8
”
(2.9 cm)
C
L
C
L
C
L
3 ¼” X 10” to duct work
2” X 16”, connects to
side or bottom exhaust
on raised vent
1"
(2.5 cm)
5"
(12.7 cm)
Planning the Duct Work
WARNING
• To reduce the risk of fire and to properly exhaust air, be sure to duct air outside the house or building. Do not vent
exhaust air into spaces within walls or ceilings or into attics, crawl spaces or garages.
• Tape all duct joints securely to prevent combustion by-products, smoke or odors from entering the home. Doing so
will also improve system efficiency.
• TO REDUCE THE RISK OF FIRE, USE ONLY METAL DUCT WORK.
• DO NOT install more than one blower to increase the length of the duct run. Even small differences between blower
air flow rates can greatly reduce the air draw by the raised vent.