48 | HIGH STATIC
MUL
TI V Ducted Indoor Unit Engineering Manual
Due to our policy of continuous product innovation, some specifications may change without notification.
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Model
Rating
Fan
speed E.S.P RPM
CFM
Sound pressure level, Lp (dB one reference picopascals)
63Hz 125Hz 250Hz 500Hz 1kHz 2kHz 4kHz 8kHz
ARNU423M2A4
RETURN OPENING
H
0.20
1170
1262
36
46
44
46
46
40
33
27
M
1080
1087
33
44
41
43
43
37
30
24
L
1000
917
37
39
39
42
41
35
28
21
CASING RADIATED
H
1170
1262
33
46
44
42
43
38
30
23
M
1080
1087
29
43
41
38
40
34
27
19
L
1000
917
34
36
38
37
37
33
24
15
DUCTED DISCHARGE
H
1170
1262
48
43
47
49
50
45
39
36
M
1080
1087
45
41
45
46
47
42
36
33
L
1000
917
43
41
41
44
44
39
33
28
ARNU363M2A4
RETURN OPENING
H
0.20
1050
1021
33
43
41
43
43
36
30
24
M
970
844
36
38
39
42
41
34
27
21
L
910
695
35
40
38
41
39
32
25
17
CASING RADIATED
H
1050
1021
29
42
40
38
39
34
26
18
M
970
844
33
36
38
37
37
32
24
15
L
910
695
31
36
38
34
33
28
19
12
DUCTED DISCHARGE
H
1050
1021
45
40
44
46
46
42
35
32
M
970
844
43
40
41
44
44
39
32
28
L
910
695
43
38
40
42
42
37
29
23
ARNU283M2A4
RETURN OPENING
H
0.20
990
892
37
39
40
43
42
35
28
22
M
940
770
36
41
39
42
40
33
26
18
L
890
645
35
40
38
41
39
32
25
17
CASING RADIATED
H
990
892
35
37
39
38
38
33
25
16
M
940
770
33
37
39
35
35
29
20
14
L
890
645
31
36
38
34
33
28
19
12
DUCTED DISCHARGE
H
990
892
44
41
42
45
45
40
33
29
M
940
770
45
39
42
43
43
38
31
24
L
890
645
43
38
40
42
42
37
29
23
ARNU243M2A4
RETURN OPENING
H
0.20
840
640
34
39
37
40
38
32
25
17
M
820
520
34
39
37
40
38
31
24
16
L
800
435
34
39
37
40
38
31
24
16
CASING RADIATED
H
840
640
30
35
37
33
32
27
18
11
M
820
520
30
34
36
33
32
26
17
11
L
800
435
29
34
36
32
32
26
17
10
DUCTED DISCHARGE
H
840
640
42
37
39
41
41
36
28
22
M
820
520
42
36
39
41
40
35
28
21
L
800
435
41
36
38
40
40
35
27
21
DUCTED HIGH STATIC
Acoustic Data
Sound Pressure Data for M2 Units