Unit Sound Power Level Indication (Lw In Db A) - York VCH-25A Installation Manual

Large split air - air vitality series air conditioners
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Integrity of the unit structure and components
Check:
The correct condition of the unit structure and exterior components.
No knocks or dents.
correct fixture of bolts.
The correct closure of access doors, including the condition of the sealing strip and locks.
Hot water coil
Where the unit is fitted with this accessory, check the following at the start of the heating season:
The control elements.
System water filling.
Bleeding of air from the coil.
N O T E
Check that the proportion of antifreeze is correct, if necessary, depending on the area and the installation.

1.14 Unit sound power level indication (Lw in dB A)

Outdoor units
Octave band sound
spectrum
20A
dB(A), indoor
125 Hz
250 Hz
66,2
500 Hz
70,6
1000 Hz
73,9
2000 Hz
4000 Hz
68,2
8000 Hz
59,6
Sound power level
77,8
dB (A)
Indoor units
Octave band sound
spectrum dB(A)
125 Hz
250 Hz
500 Hz
1000 Hz
2000 Hz
4000 Hz
8000 Hz
Sound power level dB
(A)
VCH models
25A
30A
65
65,2
75,1
66,5
75,7
70,7
79,1
74,1
82,2
71
71,2
81,6
68,4
76,6
59,9
69,2
78
87
VIR Models
25A
40A
63,7
68,6
63,7
70,1
69,8
73,8
70,6
74,8
68,7
75,1
64,9
70,5
55,8
62,3
75,4
81,3
Unit sound power level indication (Lw in dB A) 1.14
40A
45A
75,4
77,7
75,9
79,1
79,3
78,7
82,4
81,8
81,9
80,2
76,8
76,3
69,5
68,6
87,3
87,5
45A
60A
73,9
75,5
73,5
75,1
74,5
76,1
77,2
78,8
77,1
78,7
72,5
74,1
655
66,6
82,7
84,3
Installation manual
60A
75A
90A
78,1
79,8
79,8
80,5
81,7
81,7
79
79,9
80
82,2
83,1
83,2
80,6
81,6
81,6
76,3
77,1
77
68,9
69,8
69,8
88
88,8
88,8
75A
90A
67
68,6
70
71,6
73,8
75,4
74
75,6
74,6
76,2
73,7
75,3
67,5
69,1
81,5
83,5
1
45

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