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2. TYPICAL INSTALLATIONS
Use the following illustrations as guidelines to help you decide on how the unit will be installed.
All the units should be hung from the joists.
If required, bathroom fans and a range hood may be used to exhaust stale air. Also, for homes with more than one level, we recommend
one exhaust register at the highest level.
There are 3 installation methods: Fully ducted, Central Draw Point and Simplified Installation.
NOTE: An electrical outlet has to be available within 3 feet of the unit.
2.1 F
D
S
ULLY
UCTED
YSTEM
Stale air coming from the registers located at the highest level of the house
is exhausted to the outside. Fresh air from outside is filtered and supplied by
the register located in the lowest liveable level.
Homes with more than one level require at least one exhaust register at the
highest level.
See figure at right.
2.2 C
D
P
ENTRAL
RAW
OINT
Stale air coming from the registers located at the highest level of the house is
exhausted to the outside. Fresh air from outside is filtered and supplied to the
return (plenum) or the supply duct of the forced air unit. See figure at right.
For this type of installation, it is not essential that the forced air system blower
runs when the unit is in operation, but we recommend it.
NOTE: Home with multiple forced air systems should have one unit on each
system.
2.3 S
I
IMPLIFIED
NSTALLATION
Stale air is exhausted to the outside. Fresh air from outside is filtered and
supplied to the return (plenum) or the supply duct of the forced air unit.
See figure at right.
To avoid cross-contamination and achieve the highest efficiencies, the forced
air system blower must always be ON.
NOTE: Home with multiple forced air systems should have one unit on each
system.
(P
RIMARILY FOR HOMES WITH RADIANT HOT WATER OR ELECTRIC BASEBOARD HEATING
(C
ONNECTION TO A FORCED AIR SYSTEM
(C
ONNECTION TO A FORCED AIR SYSTEM
VH0071
)
VH0072
)
VH0073
5
)
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