Hitachi RAS-2HVNP Installations- Und Betriebshandbuch Seite 22

1 Units installation
13
13.3 INSTALLATION PLACE PROVISION
1 Secure the outdoor unit with the anchor
Concrete
Fix the outdoor unit to the anchor bolts by special washer of fac-
tory-supplied accessory.
2 When installing the outdoor unit, fix the unit by anchor bolts.
Regarding the location of fixing holes.
M10 Hole for anchor bolt (Ø 12)
3 Example of fixing outdoor unit by anchor bolts.
A
Cut this portion when
this type of anchor
bolt is used. If not, it
is dificult to remove
the service cover
4 Provide an adequate drainage around the foundation. When
installing the unit on a roof or a veranda, drain water may
turn to ice in a cold morning. Therefore, avoid draining in an
area where people often use because it is slippery. In case of
installing such a place, provide the additional drainage around
the foundation.
Drain hole
(30x80)
76 339
4-R8
22
Base of
outdoor unit
Nut
Special
washer
(M12)
Anchor bolts
Filled mortar
Pipe cover
Front side
Concrete Anchor bolt
Drain hole
Position for drain
Drain hole
boss (optional)
(30x80)
147 (228)
Front side
PMML0248A
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 figure.
INCORRECT
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: 4.5T
-
57mm
Base width of
outdoor unit
60mm
Frame width
(field supplied)
CORRECT
57mm
Base width of
outdoor unit
Metal plate
100mm or more
Metal plate