10. Installation
Base construction and installation of the outdoor unit
Classification
A
B
Cautions regarding on connecting the anchor bolt
X Tighten the rubber washer to prevent the bolt connection part of the outdoor unit from corroding.
X
CAUTION
Rubber washer
f Anchor specification
Diameter of
Size
drill bit (a)
Ø 10
❇ 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
f If you install the outdoor unit on the rooftop, check the strength and make sure to waterproof the rooftop.
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.)
f If there's any possibility of small animals from entering the pipe outlet, block the outlet as shown in the illustration.
Cautions regarding on anti-vibration frame installation
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.
f Base ground must be constructed strongly to support the bottom part of the anti-vibration mount.
X After installing the anti-vibration frame, untighten the fixing part on the top and bottom part of the frame.
X
DVM S Small Type
940
740
Anchor
length (b)
14 mm
75 mm
Block the
part. (When withdrawing the pipe from the front side)
Liquid side pipe
Gas side pipe
DVM S Large A Type
1,350
1,150
Sleeve
Insert
length (c)
depth
40 mm
50 mm
DVM S Large B type
1,350
1,150
Fastening
m
torque
30 N·m
a
(Unit : mm)
49