9
3.2.2 When there is wall (or similar obstruction) above the unit, keep the distance
between the unit top and the wall at least 3000mm (118-1/8in.) or above. When the
unit is located in a totally open space with no obstructions in four directions, keep
the distance between the unit top and wall at least 1500mm (59in.) or above (See
Fig.7). When space is limited within 1500mm (59in.) or the unit is not set in an open
space, air return pipe is required to be installed in order to keep good ventilation
(See Fig.8).
Unit: mm(in.)
Fig.7
Fig.8
3.2.3 Space dimension for multiple-module unit
For keeping good ventilation, make sure there is no obstructions above the unit.
When the unit is located at a half-open space (front and left/right side is open), install the
unit as per the same or opposite direction.
Fig.9
Lennox
VRF Unit