Four-Way Ceiling-Cassette Indoor Units - LG Multi V ARNU093TUD4 Engineering Manual
Ceiling cassette indoor unit; one-way ceiling cassettes; two-way ceiling cassettes; four-way ceiling cassettes
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Also See for Multi V ARNU093TUD4:
- Engineering manual (108 pages) ,
- Installation manual (75 pages) ,
- Installation manual (73 pages)
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APPLICATION GUIDELINES
Selecting the Best Location
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 and to mini-
mize the length of the condensate drain piping.
• 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 in a location where it can be easily connect-
ed to the outdoor unit / heat recovery unit.
Don'ts
•
•
•
The unit may be damaged, may malfunction, and / or will
not operate as designed if installed in any of the conditions
listed.
•
•
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.
128 | GUIDELINES
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Figure 96: Selecting the Best Location / Minimum Clearance Require-
ments — One-, Two-, and Four-Way Ceiling-Cassette Indoor Units.
* Four-Way TQ/TR Frames
1-3/16 ± 1/8
Ceiling
Ceiling Tile
* Four-Way TP/TN/TM Frames
19-11/16
or more
19/32 ±1/8
* Two-Way TS Frames
"A"
One-Way: 70-7/8 to 129-15/16 inches
13/16 ±1/8
Two-Way: 70-7/8 to 129-15/16 inches
Figure 97: Installing Near a Heat or Steam Source.
Indoor Unit
Include enough
distance
One-Way
13/32
Only: 7-7/8 or more
or more
Ceiling Tile
19-11/16
39-3/8
or more
11-13/16
or more
or less
"A"
Floor
Four-Way <36,000 Btu/h: 70-7/8 to 141-23/32 inches
Four-Way >36,000 Btu/h: 70-7/8 to 165-11/32 inches
Install a ventilation fan
with sufficient capacity
Heat or steam source
Unit: Inch
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