32
Base construction and installation of the outdoor unit
Cautions regarding on connecting the anchor bolt
X
X
Tighten the rubber washer to prevent the bolt connection part of the outdoor unit from corroding .
Rubber washer
X
f
Anchor specification
Size
Diameter of
drill bit (a)
Anchor
length (b)
Sleeve length
(c)
Insert depth
Fastening
torque
a
b
c
m
Ø 10
14 mm
75 mm
40 mm
50 mm
30 N·m
❇
❇
Use the anchor bolts and nuts that is zinc plated or made of STS material .
Regular anchor bolts or nuts may get damaged by corrosion .
Cautions regarding on connecting the pipe
X
f
If you install the outdoor unit on the rooftop, check the strength and make sure to waterproof the
rooftop .
X
f
Construct draining pit around the base construction and pay attention to the drainage around the
outdoor unit . (Condensation or defrost water may form during outdoor unit operation .)
X
f
If there's any possibility of small animals from entering the pipe outlet, block the outlet as shown in the
illustration .
Liquid side pipe
Gas side pipe
Block the part . (When withdrawing the pipe from
the front side)
Cautions regarding on anti-vibration frame installation
X
f
During installation, make sure there is no gap between the base ground and the supporting structures
such as anti-vibration frame or H beam .
X
f
Base ground must be constructed strongly to support the bottom part of the anti-vibration mount .
X
X
After installing the anti-vibration frame, untighten the fixing part on the top and bottom part of the
frame .
CAUTION
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