Engineering Manual

STD. WALL-MOUNTED | 73
Standard Wall-Mounted
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Selecting the Best Location
Do’s
• Place the unit where air circulation will not be blocked.
• Place the unit where drainage can be obtained easily.
• Place the unit where noise prevention is taken into consideration.
• Ensure there is sufficient space from the ceiling and floor.
• Ensure there is sufficient maintenance space.
• Locate the indoor unit where it can be easily connected to the outdoor unit or branch
distribution unit.
Don’ts
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•
Do not install the unit near high-frequency generators.
• Do not install the unit near a doorway.
The unit may be damaged, may malfunction, and / or will not operate as designed if installed in any of the conditions listed.
>4 inches
Recommended height
>6-1/2 feet from floor
>4 inches
≥5 inches
Figure 85: Minimum Clearance Requirements.
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Mounting the Installation Plate
The mounting wall should be strong and solid enough to protect the unit from
vibration.
• Mount the installation plate on the wall using the Type “A” screws. If mounting
the unit on concrete, consider using anchor bolts.
• Always mount the installation plate horizontally. Measure the wall and mark the
centerline using thread and a level.
Figure 86: Installation Plate—
Side View.
Installation Plate
Frame
Hooks
Type "A" Screws
Figure 87: Installation Plate for LMN078HVT, LSN090HSV4,
LSN120HSV4, and LMN158HVT Units. Figure 88: Installation Plate for LSN180HSV4 and LMN248HVT Units.
Ø2-3/4 inches
Ø2-3/4 inches
2-23/32 inches
2-7/32 inches
Right rear
piping
Left rear
piping
Installation Plate
Measuring Tape
Measuring Tape Hanger
Place a level on raised tab
Unit Outline
8-5/32 inches
4-1/8 inches
18-1/8 inches 22-7/16 inches
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taken for the unit and all components.
STANDARD WALL-MOUNTED INDOOR UNITS
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.
Ø2-9/16
5-3/16 3-11/16
Right rear piping
Left rear piping
Place a level on raised tab
Unit Outline
8-1/2
6-7/8
17-3/8 17-3/8
5
Ø2-9/16