Series Installation - LG AUUW09GA0 Engineering Product Data Book

MULTI/SINGLE CAC
2. Installation Space

Series installation

• One row of stand alone installation
2.2 Air guide work
In case of out door unit is located outdoor cabin of
apartment or flats, then the efficiency can drop and
system pressure increases thus finally damaging the
compressor or other components in the system by heat
short circuit.
2.3 Lightning safety zone
1. To protect outdoor unit from lightning, it should be placed within lightning safety zone.
 Safety zone
Building Height [m]
Protection Angle [ ]
2. Power cable and communication cable should be 1.5m away from lightning rod.
3. High resistance grounded system should be performed against induced lightning or indirect stroke.
4. If the building has no lightning protection, outdoor may be damage from lightning. This should be informed to
customer or building owner in advance.
6
300(11-13/16)
or more
2000(78-3/4) or more
600(23-19/32) or more
1000(39-3/8) or more
Lightning rod
• Rows of collective installation (2 or more)
• L should be smaller than H
L ≤ H
:
[Example]
<Without air guide>
Safety device activation
Lightning rod
Protection Angle (25˚~55˚)
1.5m 1.5m
Regarding the safety
from atmosphere
electricity, follow the
local or national reg-
ulations
Safe zone
Ground
20 30
55 45
Installation of Outdoor Units
[Unit : mm(inch)]
300(11-13/16)
or more
3000(118-1/8) or more
600(23-19/32) or more
1500(59-1/16) or more
<With air guide>
Normal operation
45 60
35 25