LG ARNU363DDA4 Installation Manual page 9

Table 6: Sound Power Levels.
CFM
Freq. (Hz)
1,200 Lw (dB)
Lw (dB) (A)
Freq. (Hz)
1,400 Lw (dB)
Lw (dB) (A)
Freq. (Hz)
1,700 Lw (dB)
Lw (dB) (A)
Freq. (Hz)
1,800 Lw (dB)
Lw (dB) (A)
Table 7: Sheave Adjustment.
Sheave Turns to Achieve CFM / RPM
CFM Sheave Turns
1,200
1,400
1,700
1,800
• Turns open are determined from fully closed position.
• Fan data acquired by third-party testing.
Service Clearances
Figure 2: Service Clearances.
63 125 250
78 78 68
52 62 59
63 125 250
78 78 68
52 62 59
63 125 250
79 79 69
53 63 60
63 125 250
82 82 72
56 66 63
Actual RPM
5 828
4.5 846
4 884
3.5 899
Due to our policy of continuous product innovation, some specifications may change without notification.
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Sound Power Levels
500 1,000 2,000
63 61 56
60 61 57
500 1K 2K
63 61 56
60 61
500 1K 2K
64 62
61 62
500 1K 2K
65 67
62 67
Table 8: Damper Pressure Drop.
Damper Pressure Drop
CFM
1,200
1,400
1,700
1,800
Service area not drawn to scale.
PRODUCT DATA
4,000 8,000
51 46
52 45
4K 8K
51 46
57 52 45
4K 8K
57 52 47
58 5 46
4K 8K
60 55 50
61 56 49
O/A PD (IN� WG) R/A PD (IN� WG)
0.0137
0.0159
0.0194
0.0205
Overall
82
82
Overall
82
68
Overall
83
69
Overall
86
72
0.0137
0.0159
0.0194
0.0205
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