3
1
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• VRV Systems • Outdoor Units
74
• Outdoor Units • VRV HEAT PUMP • RXYHQ12-36P(8)
10
Installation
10 - 2 Fixation and foundation of units
RXYHQ12P8
3TW30609-6A
NOTES
1
The proportions of cement:sand:gravel for the concrete shale be 1:2:4, and the
reinforcement bars that their diameter are 10mm, (Approx. 300mm intervals) shall
be placed.
2
The surface shall be finished with mortar. The corner edges shall be chamfered.
3
When the foundation is build on a concrete floor, rubble is not necessary. However,
the surface of the section on which the foundation is built shall have rough finish.
4
A drain ditch shall be made around the foundation to thoroughly drain water from
the equipment installation area.
5
When installing the equipment on a roof, the floor strength shall be checked, and
water-proofing measures shall be taken.
Drain ditch
Y ditch
(Smooth down grade of about 1/50)
Drain ditch
When building a
foundation on the
ground
Y
ditch
Y
ditch
Floor
X - X cross section
When building a
foundation on the
concrete floor
Nut
Spring washer
Frame
Foundation bolt type: JA
Size: M12
Four bolts are required
3 thread ridges or more
Foundation bolt executing method
When installing multiple units in connection
Model
A
B
RXYHQ12P8
1102
1302