
2. Preparation for installation
26
Class
Pre-check items
Handling methods and rules
Reference
Gallery
- Is the gallery spec
suggested?
- Louver angle should be less than
20°
- Opening rate of more than 80%.
- Select a louver with a smooth
cross section.
(Do not use a rainwater
prevention louver.)
Upper
discharge
type
- Can you clear 500
mm(20inch) or more from
the front of the outdoor unit
and 300mm(12inch) or
more from the rear?
[Tray and interfering pipes
included.]
- Can you access the
outdoor unit?
Need some service space.
Front
discharge
type
-Is the service space
available?
※
2 level stacking not allowed.
- Possible when the metal frame is
used.
Height of 300mm(12inch),
side of 100mm(4inch)
- Can you have more than
1500mm(60inch) in front of
the outdoor unit?
※
When the front and the rear are
face-to-face, separate them by
more than 3,000mm.
2-level stacking prohibited.
Corrosion in
the outdoor
unit
- Is the outdoor unit located
close to a bathroom/
kitchen vent/cooling tower
or air vent?
※
Corrosion in the outdoor unit and
the pipe lead to refrigerant
leakage.
- Need another location that is not
affected by the surroundings.
- Is the installation location
close to a beach or hot
spring?
- Is there another source of
corrosion?
〔
Methane gas, SO2 gas
discharging area, sewage
water treatment facility, hot
spring, dyeing factory
〕
Installation near toxic gas
source is prohibited.
Outdoor unit
installation
- Is group installation of
outdoor unit necessary?
(Group installation for more
than 3 rows.)
※
Check the CFD simulation.
- Request to HQ’s SE.
Installation in group may
result in compressor
damage
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