Installation And Best Layout Practices - LG MULTI F Engineering Manual

F
MULTI
F
MULTI MAX
If the unit is installed near a body of water, certain components are at risk of being corroded. Appropriate anti-corrosion methods should be
taken for the unit and all components.
Installing in an Area Exposed to Unconditioned Air
In some installation applications, areas (floors, walls) in some rooms may be exposed to unconditioned air (room may be above or next to an
unheated garage or storeroom). To countermeasure:
• Verify that carpet is or will be installed (carpet may increase the temperature by three degrees).
• Add insulation between the floor joists.
• Install radiant heat or another type of heating system to the floor.
Installing in an Area with High Humidity Levels
If the environment is prone to humidity levels of 80% or more (near the ocean, lakes, etc.) or where steam could collect in the plenum:
• Install additional insulation to the indoor unit (glass wool insulation >13/32 inches thick).
• Install additional insulation to the refrigerant piping (insulation >13/16 inches thick).
• Seal all gaps between the indoor
conditioned space. Also, add a ceiling grille for ventilation.
Figure 162:Access Panel and General Service Space Required
Dimensions.
23-5/8 inches x 23-5/8 inches
23-5/8
inches
Table 63:Indoor Unit Bolt Location Dimensions.
Model / Capacity
(Btu/h)
LMHN240HV / 24,000
48-17/32
LMHN360HV / 36,000
DUCT (HIGH STATIC) INDOOR UNITS
unit and the ceiling tiles (make the area air tight) so that humidity does not transfer from the plenum to the
23-5/8
inches
H = ≥25/32 inches
A B C
46-17/32 13-31/32
Due to our policy of continuous product innovation, some specifications may change without notification.
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Installation and Best Layout Practices

Figure 163:Indoor Unit Bolt Locations.
Drain hole
Dimensions (inches)
D E F
1-25/32 17-23/32 1-7/32
A
B
G
H
G H
3-5/8 32-19/32
DUCT (HIGH STATIC) | 121
I
7-11/32