11
2-2
2-3
RECOMMENDED CONFIGURATIONS.
•
1
st
configuration: installation without
duct in unheated room
(Volume > 20 m
3
)
(Fig. 2-2).
INNER/INNER Parameter
(Par. 3.5).
Examples of unheated rooms:
- Garage: Recovery of free calories released by
household electrical appliances operating.
- Laundry room: dehumidifying the room
and recovery of waste calories from washing
machines and tumble-dryers.
- Room in basement: recovery of free calories
released by the floor and walls of the base-
ment.
•
2
nd
configuration: installation in a heated or
unheated room, with ducts
(Fig. 2-3).
OUTER/OUTER Parameter
(Par. 3.5).
Recommendations:
- Comply with maximum duct lengths (Par.
2.4).
- Use rigid or semi-rigid ducts.
- Provide grilles at air intake and outlet to
avoid ingress of foreign bodies. Note: man-
ually shuttered air inlet and outlet grids are
forbidden.