(Primarily for homes with radiant hot water or electric baseboard heating.
See illustration at right.)
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.
If required, bathroom fans and a range hood may be used to better exhaust
stale air.
Homes with more than one level require at least one exhaust register at the
highest level.
2. TYPICAL INSTALLATIONS
2.1 F
ULLY
D
UCTED
S
YSTEM
6
NOTE: Installation may vary according to the model number and the position; normal or reverse (Solo units only) in wich the unit is installed.
There are three common installation methods.
VH0077
(For homes with forced air heating. See illustration at right.)
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. If required, bathroom fans and a range hood
may be used 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.
2.2 E
XHAUST
D
UCTED
S
YSTEM
(S
OURCE
P
OINT
V
ENTILATION
)
VH0078
(For homes with forced air heating. See illustration at right.)
Fresh air and exhaust air flow through the furnace ducts, which simplifies the
installation.
The use of bathroom fans and a range hood is suggested to exhaust stale air.
NOTE: For this type of installation, the
furnace blower must be running
when the unit is in operation.
2.3 S
IMPLIFIED
(V
OLUME
V
ENTILATION
)
VH0079
See 3.5.1 for details
See 3.5.2 for details
See 3.5.3 for details