Hitachi UTOPIA RAS-4HVRP2E Installations- Und Betriebshandbuch Seite 38

Units installation
7.1.2 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.
*
Space for downward piping space
Nº
Outdoor Unit

Cut this portion of bolt. If not, it's difficult to remove Service Cover

Mortar Hole (Ø100xDepth 150)

Anchor Bolt M10 (Ø12.5 Hole)

Drainage (Wide 100xDepth 150)

Drainage

Vibration-proof rubber

?
N O T E
When the mark * dimension is secured, piping work from bottom side is
easy without interference of foundation.
7 PMML0545 rev.2 - 04/2021
Description
5 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
below figure.
INCORRECT
Outdoor unit
is unstable
Frame
CORRECT
Outdoor unit
is stable
Frame
Recommended Metal Plate Size
(Field-Supplied) Material: Hot-Rolled Mild Steel
-
- Plate (SPHC) Plate Thickness: 4.5 T
70 mm
Base width of outdoor unit
60mm
Frame width (Field supplied)
70 mm
Base width of outdoor unit
100mm or more
Metal plate