1
3
. Installation
Base construction and installation of the DVM Hydro unit / Hydro unit HT
Base ground construction
Drain hole
200 mm (7.9 inch) or more
f
Manufacturer is not responsible for the damage occurred by not following the installation standards .
1 . Considering the vibration and weight of the DVM Hydro unit / Hydro unit HT, strength of the base ground must be strong
enough to prevent noise and the top part of the base ground has to be flat .
2 . Base ground should be 1 .5 times larger than the bottom of the Hydro unit .
3 . It is necessary to add wire mesh or steel bar during concrete construction for the base ground to prevent damages or
cracks .
4 . Place the DVM Hydro unit / Hydro unit HT on the base construction and completely fix it with the bolt, nut and washer .
[The bearing force has to be over 3 .5 kN (786 .8 lbf)]
5 . Fix the DVM Hydro unit / Hydro unit HT firmly with 4 foundation bolts .
6 . When concrete construction for DVM Hydro unit / Hydro unit HT installation is completed, install an anti-vibration
pad(t=20 mm or more) or an anti-vibration frame(vibration transmissibility=5 % and below) to prevent vibration
of the outdoor unit from transferring to the base ground .
7 . When constructing base ground, DVM Hydro unit / Hydro unit HT must be supported within the range of following
dimensions .
•
If this product is installed in residential area, apply vibration isolation to prevent the vibration
from transferring
to the building .
WARNING
DVM Hydro unit installation
333 (13 .
1)
330 (13 .0)
16 (0 .6)
365 (14 .
4)
340 (13 .4)
518 (20 .4)
Unit: mm (inch)
DVM Hydro unit
Anchor bolt
Nut, Spring washer
Anti-vibration pad
H beam or anti-vibration frame
A+10 ~ 20 mm (0 .4 ~ 0 .8 inch) or more
A
20 mm
(0 .8 inch)
Over
50
m
m
(2
.0
in
ch
)
