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4. INSTALL THE UNIT
4.5 I
NSTALLING
4.5.2 C
ENTRAL
Filtered air ductwork (Return side connection) (cont'd)
• Fix the duct connector to the forced air unit
duct using its 4 retaining screws (#8 x 3/4" long).
Seal with duct tape.
• Take one end of the 8'' flexible duct and slide
it over the duct connector. Secure with a tie
wrap. Carefully seal the connection with duct
tape. Identifiy the duct using the blue sticker
dot included.
• Attach this duct to the
port (see icon on the top of the unit), using tie
wrap and duct tape.
4.5.3 R
ETURN
When performing duct connections, always use approved tools and
materials. Respect all corresponding laws and/or safety regulations. Please
refer to your local building code.
Fresh/Filtered air ductwork (Return side connection)
Same as for Central Draw Point, described in point 4.5.2.
Stale air ductwork (Return side connection)
• Locate the stale air ductwork opening at
least 3' (0.9 m) from the fresh/filtered air
ductwork connection. Proceed as for the
fresh/filtered air ductwork, but instead of
using the blue dot sticker to identify the
duct, use the red dot.
• Attach this duct to the
port (see icon on the top of the
BUILDING
unit), using tie wrap and duct tape.
(CONT'D)
8'' D
R
UCTS AND
D
P
(
RAW
OINT
AS ILLUSTRATED IN
FRESH AIR TO BUILDING
-
-R
(
TO
ETURN
AS ILLUSTRATED IN
!
0
EXHAUST AIR FROM
(
EGISTERS
CONT
S
ECTIONS
S
WARNING
- 22 -
'
)
D
2.1.2
AND
2.1.3
ECTIONS
AND
2.3.2) (
'
)
CONT
D
2.3.3)
3' (0.9 m)
minimum
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