Hitachi RAS-FSNM Serie Manual De Instrucciones página 20

UNITS INSTALLATION
7.2.1 Installation place provision

Concrete Foundation
1 Foundation could be on flat and is recommended be
100-300 mm higher than ground level.
2 Install a drainage around foundation for smooth drain.
3 When installing the outdoor unit fix the unit by anchor bolts
of M10.
4 When installing the unit on a roof or a veranda, drain water
sometimes turns to ice on a cold morning. Therefore, avoid
draining in an area that people often use because it is
slippery.
Air Flow
Direction
Concrete
4-Ø16x23.5 Hole
for anchor bolt
?
N O T E
When the mark * dimension is secured, piping work from bottom side is
easy without interference of foundation.
A
Cut this portion when this
type of anchor bolt is used.
If not, it is difficult to remove
the service cover.
5 Fix the outdoor unit firmly so that declining, making noise,
and falling down by strong wind or earthquake is avoided.
10 PMML0390B REV.0 - 11/2015 - P5416649
Base of
outdoor unit
Nut
Special washer
Anchor Bolt
M12
Filled Mortar
Fixing Plate
(Field-Supplied)
6 When installing the unit on a roof or a veranda, drain water
sometimes turns to ice in a cold morning. Therefore, avoid
draining in an area where people often use because it is
slippery.
7 In case of the drain piping is necessary for the outdoor unit,
use the drain-kit (DBS-26: Optional Parts).
Drain Hole (2-φ26)
(Drain Boss Attaching Position)
8 The whole of the base of the outdoor unit should be installed
on a foundation. When using vibration-proof mat, it should
also be positioned the same way.
When installing the outdoor unit on a field-supplied frame,
use metal plates to adjust the frame width for stable
installation as shown in next figure.
INCORRECT
Outdoor Unit
is Unstable.
Frame
Both sides on the unit
fixing can be possible
When vibration
measures are
necessary, add
vibration proof rubber.
(Field-Supplied)
Air Inlet Drain Hole
Base Without of Outdoor Unit
100mm
Frame Width 60mm
(Field-Supplied)