Hitachi UTOPIA ES Serie Bedienungsanleitung Seite 18

UNITS INSTALLATION
Serial Installation in Multiple Rows (E.g. Rooftop)
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.
8 PMML0396B rev.0 - 11/2015
Multiple Installation in Multiple Rows
Description
Allow approx. 100 mm of space from the side unit.
Leave open both right and left sides.
The length A is as shown in the following table:
L
0<L≤1/2H
1/2H<L≤H
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 fieldsupplied frame, use metal plates to
adjust the frame width for stable installation as shown in
below figure.
Outdoor unit
is unstable
Frame
Outdoor unit
is stable
Frame
Recommended Metal Plate Size
- (Field-Supplied) Material: Hot-Rolled Mild Steel
- Plate (SPHC) Plate Thickness: 4.5 T
A
≥200
≥300
INCORRECT
100 mm
Base width of outdoor unit
60mm
Frame width (Field supplied)
CORRECT
100 mm
Base width of outdoor unit
100mm or more
Metal plate