124 | FOUR-WAY
MUL
TI V Ceiling Cassette Indoor Unit Engineering Manual
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Table 53: ARNU243TMA4, ARNU283TMA4, ARNU363TMA4, ARNU423TMC4 Heating Capacity Table.
FOUR-WAY CEILING CASSETTE
Heating Capacity Tables
ARNU243TMA4, ARNU283TMA4, ARNU363TMA4, ARNU423TMC4
Model No. /
Capacity Index
Outdoor Air Temp.
Indoor Air Temperature (°F DB)
59
61
64
67
70
73
76
80
°F DB
°F WB
TC
TC
TC
TC
TC
TC
TC
TC
MBh
MBh
MBh
MBh
MBh
MBh
MBh
MBh
ARNU243TMA4 /
24.2
-4
-4.4
18.3 18.3 18.3 18.3 18.0 18.0 18.0 18.0
0
-0.4
18.8 18.8 18.8 18.8 18.8 18.6 18.6 18.6
5.0
4.5
21.3 21.0 20.7 20.7 20.7 20.7 20.7 20.7
10.0
9.0
22.1 22.1 22.1 21.8 21.8 21.8 21.8 21.8
15.0
14.0
23.5 23.5 23.5 23.5 23.5 23.5 23.2 22.9
20.0
19.0
24.8 24.8 24.8 24.8 24.2 24.2 23.9 23.6
25.0
23.0
25.9 25.9 25.9 25.9 25.9 25.4 25.1 24.8
30.0
28.0
26.5 26.5 26.5 26.5 26.5 25.9 25.1 24.3
35.0
32.0
27.3 27.3 27.3 27.3 27.0 26.5 25.1 23.8
40.0
36.0
28.4 28.4 28.4 28.4 27.3 26.5 25.1 23.8
45.0
41.0
29.5 29.5 29.5 28.7 27.3 26.5 25.1 23.8
47.0
43.0
30.6 30.3 30.0 28.7
27.3
26.5 25.1 23.8
50.0
46.0
32.8 31.4 30.0 28.7 27.3 26.5 25.1 23.8
55.0
51.0
33.4 31.7 30.0 28.7 27.3 26.5 25.1 23.8
60.0
56.0
33.4 31.7 30.0 28.7 27.3 26.5 25.1 23.8
ARNU283TMA4 /
28.0
-4
-4.4
21.1 21.1 21.1 21.1 20.8 20.8 20.8 20.8
0
-0.4
21.7 21.7 21.7 21.7 21.7 21.4 21.4 21.4
5.0
4.5
24.6 24.3 23.9 23.9 23.9 23.9 23.9 23.9
10.0
9.0
25.5 25.5 25.5 25.2 25.2 25.2 25.2 25.2
15.0
14.0
27.1 27.1 27.1 27.1 27.1 27.1 26.8 26.5
20.0
19.0
28.7 28.7 28.7 28.7 28.0 28.0 27.6 27.2
25.0
23.0
29.9 29.9 29.9 29.9 29.9 29.3 29.0 28.7
30.0
28.0
30.6 30.6 30.6 30.6 30.6 29.9 29.0 28.1
35.0
32.0
31.5 31.5 31.5 31.5 31.2 30.6 29.0 27.5
40.0
36.0
32.8 32.8 32.8 32.8 31.5 30.6 29.0 27.5
45.0
41.0
34.0 34.0 34.0 33.1 31.5 30.6 29.0 27.5
47.0
43.0
35.3 35.0 34.7 33.1
31.5
30.6 29.0 27.5
50.0
46.0
37.9 36.2 34.7 33.1 31.5 30.6 29.0 27.5
55.0
51.0
38.5 36.5 34.7 33.1 31.5 30.6 29.0 27.5
60.0
56.0
38.5 36.5 34.7 33.1 31.5 30.6 29.0 27.5
ARNU363TMA4 /
36.2
-4
-4.4
27.2 27.2 27.2 27.2 26.8 26.8 26.8 26.8
0
-0.4
28.0 28.0 28.0 28.0 28.0 27.6 27.6 27.6
5.0
4.5
31.7 31.3 30.9 30.9 30.9 30.9 30.9 30.9
10.0
9.0
32.9 32.9 32.9 32.5 32.5 32.5 32.5 32.5
15.0
14.0
34.9 34.9 34.9 34.9 34.9 34.9 34.5 34.1
20.0
19.0
36.9 36.9 36.9 36.9 36.0 36.0 35.5 35.0
25.0
23.0
38.6 38.6 38.6 38.6 38.6 37.8 37.4 37.0
30.0
28.0
39.4 39.4 39.4 39.4 39.4 38.6 37.4 36.2
35.0
32.0
40.6 40.6 40.6 40.6 40.2 39.4 37.4 35.4
40.0
36.0
42.2 42.2 42.2 42.2 40.6 39.4 37.4 35.4
45.0
41.0
43.8 43.8 43.8 42.6 40.6 39.4 37.4 35.4
47.0
43.0
45.5 45.1 44.7 42.6
40.6
39.4 37.4 35.4
50.0
46.0
48.8 46.7 44.7 42.6 40.6 39.4 37.4 35.4
55.0
51.0
49.7 47.1 44.7 42.6 40.6 39.4 37.4 35.4
60.0
56.0
49.7 47.1 44.7 42.6 40.6 39.4 37.4 35.4
ARNU423TMC4 /
42.0
-4
-4.4
29.3 29.3 29.3 29.3 28.9 28.9 28.9 28.9
0
-0.4
30.2 30.2 30.2 30.2 30.2 29.8 29.8 29.8
5.0
4.5
34.2 33.7 33.3 33.3 33.3 33.3 33.3 33.3
10.0
9.0
35.5 35.5 35.5 35.0 35.0 35.0 35.0 35.0
15.0
14.0
37.7 37.7 37.7 37.7 37.7 37.7 37.2 36.8
20.0
19.0
39.9 39.9 39.9 39.9 38.9 38.9 38.3 37.8
25.0
23.0
41.6 41.6 41.6 41.6 41.6 40.7 40.3 39.9
30.0
28.0
42.5 42.5 42.5 42.5 42.5 41.6 40.3 39.0
35.0
32.0
43.8 43.8 43.8 43.8 43.4 42.5 40.3 38.2
40.0
36.0
45.6 45.6 45.6 45.6 43.8 42.5 40.3 38.2
45.0
41.0
47.3 47.3 47.3 46.0 43.8 42.5 40.3 38.2
47.0
43.0
49.1 48.6 48.2 46.0
43.8
42.5 40.3 38.2
50.0
46.0
52.7 50.4 48.2 46.0 43.8 42.5 40.3 38.2
55.0
51.0
53.6 50.8 48.2 46.0 43.8 42.5 40.3 38.2
60.0
56.0
53.6 50.8 48.2 46.0 43.8 42.5 40.3 38.2
TC: Total Capacity (MBh).
The System Combination Ratio must be between 50–130%.
Rated capacity is certified under AHRI Standard 1230. Ratings are subject to change without notice.
Current certified ratings are available at www.ahridirectory.org.
For outdoor unit performance data, see the respective outdoor unit performance data manuals on
www.lg-vrf.com.
