Placement Considerations - LG MULTI F Series Engineering Manual
Multi-zone heat pump systems 1.5 to 4.5 tons
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Also See for MULTI F Series:
- Installation manual (104 pages) ,
- Owner's manual (234 pages) ,
- Install (6 pages)
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Selecting the Best Location for the Indoor Units
Select a location for installing the indoor units that will meet the following conditions:
• Within allowable parameters for proper connection to the outdoor unit (or Branch Distribution unit, if a Multi F MAX system).
• No obstacles to air circulation around the unit; keep proper distances from ceilings, doorways, floor, walls, etc.
• So that condensation drainage can be conveniently routed away.
• Include enough space around the indoor unit so that it is accessible for maintenance and service purposes.
• Where electrical noise / electromagnetic waves will not affect indoor unit operation. Maintain proper distances between the indoor units and
electric wires, audio and visual appliances, breaker / circuit panels, etc. If the frequency signal of the appliance is unstable, then install the
indoor unit a minimum of ten (10) feet away, and run the power and transmission cables through a conduit.
• An area that is level and with enough strength to bear the weight of the indoor unit(s).
• An area where operation sound won't disturb occupants.
• An area that does not expose the indoor unit(s) to heat, water, steam, oil splattering or spray.
Selecting the Best Location for the Branch Distribution (BD) Unit
Branch Distribution (BD) units are used only with Multi F MAX systems to distribute the refrigerant from the outdoor unit to up to eight indoor
units. Select location indoors that will meet the following conditions:
• Within allowable parameters for proper connection to the Multi F MAX outdoor unit and indoor unit(s); refrigerant piping and wire lengths
must not exceed amounts specified by LG Electronics, U.S.A., Inc.
• No obstacles to air circulation around the unit; keep proper distances from ceilings, doorways, floor, walls, etc.
• Condensate drain piping is not required.
• Ensure there is enough space in the installation area for service purposes; install the refrigerant piping and electrical wiring system in an
easily accessible location.
• Do not install the BD unit in a location where it would be subjected to strong radiation heat from heat sources.
• Avoid an installation environment where the BD unit would be exposed to heat, water, steam, oil splattering or spray.
• Where high-frequency electrical noise / electromagnetic waves will not affect operation. Maintain proper distances between the BD unit(s)
and electric wires, audio and visual appliances, breaker / circuit panels, etc.
• Level where there is enough strength to bear the weight of the BD unit.
• Install the unit in a location where any sound it generates will not disturb occupants in the surrounding rooms.
Selecting the Best Location for the Outdoor Unit
Select a location for installing the outdoor unit that will meet the following general conditions:
• A location strong enough to bear the weight of the outdoor unit.
• A location that allows for optimum air flow and is easily accessible for inspection, maintenance, and service.
• Where piping between the outdoor unit, indoor unit(s), and BD units (Multi F MAX systems only) are within allowable limits.
• Where it will not be subjected to direct thermal radiation from other heat sources, nor an area that would not expose the outdoor unit to heat
or steam like discharge from boiler stacks, chimneys, steam relief ports, other air conditioning units, kitchen vents, plumbing vents, and
other sources of extreme temperatures.
• Where operating sound from the unit will not disturb inhabitants of surrounding buildings.
• Where the unit will not be exposed to direct, strong winds.
• Where high-frequency electrical noise / electromagnetic waves will not affect operation.
• Include space for drainage to ensure condensate flows properly out of the unit when it is in heating mode. Avoid placing the outdoor unit in
a low-lying area where water could accumulate.
When deciding on a location to place the outdoor unit, be sure to choose an area where run-off from defrost mode will not
accumulate and freeze on sidewalks or driveways.
• To avoid the possibility of fire, do not install the unit in an area where combustible gas may generate, flow, stagnate, or leak.
• Don't install the unit in a location where oil, acidic solutions, sprays, or dust (sulfur, carbon, other corrosive materials) are present / often used.
PLACEMENT CONSIDERATIONS
Due to our policy of continuous product innovation, some specifications may change without notification.
©LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. "LG" is a registered trademark of LG Corp.
APPLICATION GUIDELINES | 353
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