3. INSTALL THE UNIT (CONT’D)
3.5 INSTALLING 6’’ DUCTS AND REGISTERS (CONT’D)
3.5.3 SUGGESTED REGISTER LOCATIONS (CONT’D)
MULTI-LEVEL
Stairwell (A): Open, central.
Two stale air exhaust registers (1) in the upper
lived-in levels of the house and one fresh air
distribution register (2) in the lowest lived-in
level of the house.
1
1
2
A
COTTAGE
Basement stairwell (A): Open.
Two stale air exhaust registers (1) in the upper
lived-in levels of the house and one fresh air
distribution register (2) in the lowest lived-in
level of the house.
1
1
2
A
A
COTTAGE
Basement stairwell (A): One part open, some
parts closed (B).
One stale air exhaust register (1) in the highest
lived-in level of the house and one fresh air
distribution register (2) in the lowest lived-in
level of the house.
For the closed stairwell, use floor grilles (B).
2
A
B
B
1
10