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3. I
(
'
NSTALLATION
CONT
3.5 I
N
-I
NSTALLING
ON
NSULATED
3.5.1 F
D
ULLY
UCTED
Never install a stale air exhaust diffuser in a closed room where a combustion device operates, such as a
gas furnace, a gas water heater or a fireplace.
Stale air exhaust ductwork
•
Install the stale air exhaust diffuser in the main area where the contaminants are produced: kitchen, living room, etc. Position
the diffuser as far from the stairway as possible and in such a way that the air circulates in all the lived-in spaces in the house.
If desired, you can install another diffuser (sold separately).
•
If a diffuser is installed in the kitchen, it must be located at least 4 feet from the range.
•
Install the diffuser 6 to 12 inches from the ceiling on an interior wall OR install it in the ceiling.
Fresh air distribution ductwork
•
Install the fresh air distribution diffuser in a large, open area in the lowest level to ensure the greatest possible air circulation.
•
Keep in mind that the fresh air diffuser must be located as far as possible from the stale air diffuser. If desired, you can install
another diffuser.
•
Install the diffuser either in the ceiling OR 6 to 12 inches from the ceiling on an interior wall. (The cooler air will then cross the
upper part of the room and mix with room air, before descending to occupant's level.)
•
If a register must be floor installed, direct the airflow up the wall.
H
OW TO CONNECT THE FLEXIBLE DUCTS TO THE DIFFUSERS
Once the diffusers location is determined, cut out 5¼" diameter hole.
Run one end of the flexible duct through the hole and fix it to the diffuser base (1),
using a tie wrap and duct tape. Assemble the diffuser base to the wall (or ceiling)
using its 4 no. 8 x 3/4" screws. Then, slide in the diffuser (2).
See illustration at right.
U
NIT PORTS IDENTIFICATION
Each unit port has an identification label
beside it to avoid wrong duct connections to
the unit. Always refer to these labels before
performing any duct and port connection.
H
OW TO CONNECT THE FLEXIBLE DUCTS TO THE UNIT PORTS
Both flexible ducts attached to the diffusers must be connected to the bottom ports of
the unit. When facing the unit door, the fresh air to building port is located on left side
and the exhaust air from building port is on the right side. Refer to the identification
labels affixed beside each unit ports. Using tie wrap, attach the fresh air to building
duct to its corresponding port, then do the same for the exhaust air to building duct
and port. See illustration at right.
NOTE: Use an insulated duct if the duct will have to go through a space where it is
possible to experience extreme temperature conditions (eg: in northern area,
unheated attic in winter or uncooled attic in southern area). Also, if you plan to
stop the unit for more than 12 hours, we recommend to cover the duct with R12
insulation.
)
D
D
D
UCTS AND
IFFUSERS
S
(
S
YSTEM
AS ILLUSTRATED IN
2.1)
ECTION
!
WARNING
Aire de salida hacia el exterior
Aire fresco hacia el interior
VJ0106
7
Ø 5¼"
1
VJ0094A
Aire fresco desde el exterior
UNIT
DOOR
Aire de salida desde el interior
R
IGHT SIDE OF THE UNIT
Aire de salida desde el interior
VJ0107
2
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