Hitachi UTOPIA RASC Series Installation And Operation Manual page 26

UNITS INSTALLATION
10.1.3. AVAILABLE CONFIGURATION
Different configuration are available for RASC unit only changing
the inlet/outlet air panels (and fan position for the case of
RASC-10HRNE).
Air inlet modification (option)
¡
To change air inlet is only necessary to interchange the
-
indicated panels position. Both panels use screws to be fixed
to unit chasis.
(View from top)
(Factory supplied)
Air outlet modification (option only for RASC-10HRNE)
¡
To change air outlet is necessary to interchange panels too.
-
Fan outlet panel is attached to fan structure, which must be
mounted as follow:
10.1.4. INSTALLATION PLACE PROVISION
Concrete Foundation inside building
¡
1. Foundation could be on flat and is recommended be
100-300mm higher than floor level.
2. Install a drainage around foundation for smooth drain
3. When installing the unit fix it by anchor bolts of M10
4. Use vibration-proof rubber (approx. 60 degree) between
the unit and foundation.
5. Drain water sometimes turns to ice on a cold morning.
Therefore, avoid draining in an area that people often use
because it is slippery.
6. Check to ensure that water-proofing measure shall be
taken to the foundation.
(Option)
Change Panel
Change Panel
7. Install the unit so that the drain outlet parts is slightly
(approx. 20 mm) lower than the other side in order to avoid
incorrect drain discharge.
Suspended unit
¡
1. Suspend the unit as the drawing indicates.
2. Ensure that ceiling can resist the unit weight which is
indicated into the specification label.
3. Install the unit so that the drain outlet parts is slightly (approx.
20 mm) lower than the other side, in order to avoid incorrect
drain discharge.
Sling Bolt (M10)
Suspension Bracket

CAUTION:
If the unit is suspended in the ceiling, place for installation
is sufficiently strong. If not, reinforce the place with beams,
etc., (more than 150 kg for one sling bolt) otherwise, the
unit may fall down or resonance of the unit wind abnormal
noise may be occured.
PMML0140A rev.1 - 07/2009
Mark Anchor bolt pitch
Model 3/5HP 10HP
A(mm) 1250 1770
B(mm) 1300 1113
Nº Description
Unit

Cut this portion of bolt If not, it's

difficult to remove Service Cover
Mortar Hole (Ø100xDepth 150)

Anchor Bolt M10

 Drainage (Wide 100xDepth 150)
 Drainage
Vibration-proof rubber

Mark Sling Bolt Pitch
Model 3/5HP 10HP
A(mm) 1250 1770
B(mm) 1300 1113
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