GMV5 D.C INVERTER MULTI VRF SERVICE MANUAL
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(3) Installation space requirements for triple-module unit
3.3.2 When there is wall (or similar obstruction) above the unit, keep the distance
between the unit top and the wall at least 3000mm(118-1/8inch) 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 (59inch) or above (See
Fig.1). When space is limited within 1500mm (59inch) 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.2).
Fig.1 Fig.2