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Dos
• Place the unit where air circulation will not be blocked.
• Place the unit where drainage can be obtained easily and to
minimize the length of the condensate drain piping.
• Place the unit where noise prevention is taken into consider-
ation.
• Place the unit in a location that can support the indoor unit
weight, and where the indoor unit can be level.
• The mounting floor must be strong and solid enough to prevent
the indoor unit from vibrating.
• Ensure there is sufficient maintenance and clearance space
(wall, ceiling, or other obstacles; see diagram for clearances).
• Locate the indoor unit in a location where it can be easily con-
nected to the outdoor unit.
If the unit is installed near a body of water, the installation parts are at risk of corroding. Appropriate anti-corrosion methods must be taken for the unit
and all installation parts.
Don’ts
• Avoid installing the unit near high-frequency generators.
• No obstacles must be present to prevent indoor unit air circulation.
• Do not install the unit near a doorway.
• Do not install the unit near a heat or steam source, or where considerable amounts of oil, iron powder, or flour are used. (These materials
may generate condensate, cause a reduction in heat exchanger efficiency, or the drain pump to malfunction. If this is a potential problem,
install a ventilation fan large enough to vent out these materials.)
The unit must not be installed where sulfuric acid and ammable or corrosive gases are generated, vented into, or stored. There is risk of re,
explosion, and physical injury or death.
The unit may be damaged, may malfunction, and / or will not operate as designed if installed in any of the conditions listed.
Figure 41: Recommended Clearances for Vertical Air Handling Unit IDU.
Indoor Unit
Selecting the Best Location for the
Indoor Unit
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 [3] degrees).
• Add insulation between the floor joists.
• Install radiant heat or another type of heating system to the floor.
PLACEMENT CONSIDERATIONS
Install a ventilation fan
with sufficient capacity
Heat or steam source
Indoor Unit
Include enough
distance
More than
23-5/8 inches
0 inches*
Minimum 14 inches
0 inches*
*When using top panel access holes
for power wiring / communications cable
Rear
0 inches
Front
Minimum 14 inches
Indoor units (IDUs) must not be placed in an environment where the IDUs may be exposed to harmful volatile organic compounds (VOCs) or in
environments where there is improper air make up or supply or inadequate ventilation. If there are concerns about VOCs in the environment where
the IDUs are installed, proper air make up or supply and/ or adequate ventilation must be provided. Additionally, in buildings where IDUs will be
exposed to VOCs, consider a factory-applied epoxy coating to the fan coils for each IDU.
Figure 42: Installing Near a Heat or Steam Source.
Due to our policy of continuous product innovation, some specications may change without notication.
©LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. “LG” is a registered trademark of LG Corp.
APPLICATION | 71
Application Guidelines
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