Warm air
Cold
Fresh air
Light
well
Exterior unit
Warm air
Light
well
Additional
fan
5 Installation inside buildings
Installation inside buildings
■
Ensure there is adequate heat
dissipation when placing the
outdoor component in cellars,
attics, adjoining rooms or halls
(Fig 5)
.
■
Install an additional fan with a
rated flow comparative to that
of the outdoor unit being in-
stalled in the room. This is used
in conjunction with ventilation
ducts to compensate any pres-
sure losses
(Figure 5).
Minimum clearances
Observe the minimum clearances to allow access for maintenance and
repair work and facilitate optimum air distribution.
500
1000
1000
1000
1000
E
C
B
A
D
Air intake
Air outlet
All values in mm
Minimum clearances
■
Ensure a continuous and unob-
structed air flow from outside,
preferably using sufficiently
large air intakes placed opposite
each other
(Figure 5)
.
■
Comply with any regulations
and conditions affecting the
statics of the building. If neces-
sary, fit acoustic installation.
Minimum clearance to snow
20 cm
Snow
Snow
The unit should be wall-mounted
in areas of heavy snowfall.
Installation should be at least 20
cm above the expected level of
snow to prevent snow from enter-
ing the outdoor component. An
optional wall bracket is available as
an accessory.
RVD 351DC AT RVD 521DC AT RVD 681DC AT RVD 1051DC AT
A
150 mm
B
900 mm
C
500 mm
D
150 mm
E
500 mm
17
