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PLACEMENT CONSIDERATIONS
Outdoor Units / Indoor Units
Provide a means to drain the condensate generated during heating mode and defrost cycle in addition to rainwater that infiltrates the inlet
louver enclosed area.
• Install a field-provided drain pan under the outdoor units and provide a path to a nearby floor drain.
• If the ambient air temperature is expected to drop below 32°F in the enclosure, heat the bottom surface of the pan, drain line, and floor
drain so that the condensate does not freeze before reaching the drain.
Allow for ventilation intake and exhaust air based on maximum outdoor unit fan capacity.
• Select the size, type and orientation of architectural louvers with adequate "net free area" face velocity to ensure the total external static
pressure from the outdoor unit fan does not exceed design limitations (see specification data tables).
• No obstructions should be placed in front of the louver that could hamper the free flow (throw) of air.
• Roof top openings and / or discharge and supply louvers should be equipped with screens to prevent bird and insect infiltration.
As always, the best solution for each project balances acceptable heating performance (considering local weather conditions), capital costs,
life cycle energy consumption, and limitations set forth by local building codes. For more detailed information on how to design indoor spaces
for LG Multi V outdoor units, see the white paper "Air-Source VRF Mechanical Room Design Considerations for Outdoor Unit Placement in
Enclosures" on www.lg-vrf.com.
Selecting the Best Location—Indoor Units
General Do's
• 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 consideration.
• Ensure there is sufficient supply air and maintenance space.
• Locate the indoor unit in a location where it can be easily connected to the outdoor unit / heat recovery unit.
• Follow the clearance and installation area weight requirements designated for each indoor unit type
General Don'ts
• Avoid installing the unit near high-frequency generators.
• Do not install the unit near a doorway.
• The unit should not be installed 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 to malfunction. If this is a potential prob-
lem, install a ventilation fan large enough to vent out these materials.)
or Installation Manuals.
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.
The unit may be damaged, may malfunction, and / or will not operate as designed if installed in any of the conditions listed.
If the unit is installed near a body of water, the installation parts are at risk of being corroded. Appropriate anti-corrosion methods should be
taken for the unit and all installation parts.
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