186 | VAH
MUL
TI V Ducted Indoor Unit Engineering Manual
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.
Heating Capacity Tables
ARNU423NKA4
Table 144: ARNU423NKA4 Heating Capacity Table.
VERTICAL / HORIZONTAL AIR HANDLER
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
ARNU423NKA4 /
42.0
-21.6
-22.0
23.3
23.3
23.3
23.3
23.0
23.0
23.0
23.0
-17.1
-17.5
26.2
26.2
26.2
26.2
25.8
25.8
25.8
25.8
-12.6
-13
29.0
29.0
29.0
29.0
28.6
28.6
28.6
28.6
-7
-7.6
29.9
29.9
29.9
29.9
29.4
29.4
29.4
29.4
-4
-4.4
30.8
30.8
30.8
30.8
30.4
30.4
30.4
30.4
0
-0.4
31.7
31.7
31.7
31.7
31.7
31.3
31.3
31.3
5
4.5
35.9
35.4
35.0
35.0
35.0
35.0
35.0
35.0
10
9
37.3
37.3
37.3
36.8
36.8
36.8
36.8
36.8
15
14
39.6
39.6
39.6
39.6
39.6
39.6
39.1
38.6
20
19
41.9
41.9
41.9
41.9
40.9
40.9
40.3
39.8
25
23
43.7
43.7
43.7
43.7
43.7
42.8
42.3
40.3
30
28
44.6
44.6
44.6
44.6
44.6
43.7
42.3
40.3
35
32
46.0
46.0
46.0
46.0
45.5
44.6
42.3
40.3
40
36
47.8
47.8
47.8
47.8
46.0
44.6
42.3
40.3
45
41
49.7
49.7
49.7
48.3
46.0
44.6
42.3
40.3
47
43
51.5
51.1
50.6
48.3
46.0
44.6
42.3
40.3
50
46
55.2
52.9
50.6
48.3
46.0
44.6
42.3
40.3
55
51
56.4
53.4
50.6
48.3
46.0
44.6
42.3
40.3
60
56
56.4
53.4
50.6
48.3
46.0
44.6
42.3
40.3
Low ambient performance with LGRED° heat technology is included in Multi V 5 Air Source Units produced after February 2019.
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
https://lghvac.com/commercial
.
