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5.0 Typical Installation
(Primarily for homes with radiant hot water or
electric baseboard heating. See figure 1.)
Moist, stale air is exhausted from the high
humidity areas in the home, such as bathrooms,
kitchen and laundry room. Fresh air is supplied
to bedrooms and principal living areas.
The use of bathroom fans and a range hood is
suggested to better exhaust stale air.
Homes with more than one level require at least
one exhaust register at the highest level.
5.1 FULLY DUCTED SYSTEM
There are three (3) common installation methods.
VH
00
2
4
figure 1
See 6.5.1
for details
5.2 EXHAUST DUCTED SYSTEM
(SOURCE POINT VENTILATION)
(For homes with forced air heating. See figure 2.)
Moist, stale air is exhausted from the high
humidity areas in the home, such as bathrooms,
kitchen and laundry room. Fresh air is supplied
to the cold air return or the supply duct of the
furnace.
The use of bathroom fans and a range hood is
suggested to better exhaust stale air.
Homes with more than one level require at least
one exhaust register at the highest level.
NOTE: For this type of installation, it is not
essential that the furnace blower runs
when the unit is in operation, but we
recommend it.
VH
00
2
5
See 6.5.2
for details
figure 2
5.3 SIMPLIFIED
(VOLUME VENTILATION)
(For homes with forced air heating. See figure 3 or 4.)
Fresh air and exhaust air flow through the furnace ducts wich simplifies the installation.
The use of bathroom fans and a range hood is suggested to better exhaust stale air.
NOTE: For the installation type shown in figure 4, furnace blower should be running when the unit is
in operation.
VH
00
2
7
figure 3
See 6.5.3
VH
00
2
6
figure 4
See 6.5.3
OR