AHI Carrier Catalog | Page 815
PACKAGED ROOFTOP UNITS
50EN/EH 90-360
Sound levels dB(A)
Standard unit
Sound power level
50EN/EH
90HEE
90T
120HEE
120T
160HEE
160T
180HEE
180T
200HEE
240HEE
240T
320HEE
320T
360HEE
360T
63 Hz
34,2
43,2
47,2
48,2
48,2
48,2
48,2
49,2
125 Hz
47,5
56,5
60,5
61,5
61,5
61,5
61,5
62,5
250 Hz
56,3
65,3
69,3
70,3
70,3
70,3
70,3
71,3
500 Hz
64,3
73,3
77,3
78,3
78,3
78,3
78,3
79,3
1000 Hz
70,7
79,7
83,7
84,7
84,7
84,7
84,7
85,7
2000 Hz
66,1
75,1
79,1
80,1
80,1
80,1
80,1
81,1
4000 Hz
58,8
67,8
71,8
72,8
72,8
72,8
72,8
73,8
8000 Hz
47,7
56,7
60,7
61,7
61,7
61,7
61,7
62,7
Total dB(A)
73,0
82,0
86,0
87,0
87,0
87,0
87,0
88,0
Sound pressure level
Measurement conditions: in a clear field, measured at a distance of 5 metres, directivity 2 and at 1,5 metres from the ground.
50EN/EH
90HEE
90T
120HEE
120T
160HEE
160T
180HEE
180T
200HEE
240HEE
240T
320HEE
320T
360HEE
360T
Total dB(A)
46,4
55,4
59,4
60,4
60,1
60,1
60,1
61,0
Note: The sound pressure level depends on the installation conditions and, as such, it only indicated as a guide. Values obtained according to the ISO 3744 standard.
Unit with return plug-fan in top box MC1 (optional)
Sound power level
90HEE
90T
120HEE
120T
160HEE
160T
180HEE
180T
200HEE
240HEE
240T
320HEE
320T
360HEE
360T
63 Hz
35,2
44,2
48,2
49,2
49,2
49,2
49,2
50,2
125 Hz
48,5
57,5
61,5
62,5
62,5
62,5
62,5
63,5
250 Hz
57,3
66,3
70,3
71,3
71,3
71,3
71,3
72,3
500 Hz
65,3
74,3
78,3
79,3
79,3
79,3
79,3
80,3
1000 Hz
71,7
80,7
84,7
85,7
85,7
85,7
85,7
86,7
2000 Hz
67,1
76,1
80,1
81,1
81,1
81,1
81,1
82,1
4000 Hz
59,8
68,8
72,8
73,8
73,8
73,8
73,8
74,8
8000 Hz
48,7
57,7
61,7
62,7
62,7
62,7
62,7
63,7
Total dB(A)
74,0
83,0
87,0
88,0
88,0
88,0
88,0
89,0
Sound pressure level
Measurement conditions: in a clear field, measured at a distance of 5 metres, directivity 2 and at 1,5 metres from the ground.
50EN/EH
90HEE
90T
120HEE
120T
160HEE
160T
180HEE
180T
200HEE
240HEE
240T
320HEE
320T
360HEE
360T
Total dB(A)
47,4
56,4
60,4
61,4
61,1
61,1
61,1
62,0
AIR TR EATMENT
50EN/EH
CONTROLS
Note: The sound pressure level depends on the installation conditions and, as such, it only indicated as a guide. Values obtained according to the ISO 3744 standard.
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