Rev. B 07-2013
21
Mod.
Lw
Lp
63
125
250
500
1K
2K
4K
8K
dB
dB(A)
dB(A)
dB
dB
dB
dB
dB
dB
dB
dB
06
64,1
55,3
49,2
47,7
46,6
41,2
37,8
28,7
64,9
51
43
08
65,1
56,3
50,2
48,7
47,6
42,2
38,8
29,7
65,9
52
44
10
65,1
56,3
50,2
48,7
47,6
42,2
38,8
29,7
65,9
52
44
14
67,1
58,3
52,2
50,7
49,6
44,2
40,8
31,7
67,9
54
46
16
67,1
58,3
52,2
50,7
49,6
44,2
40,8
31,7
67,9
54
46
21
73,1
64,3
58,2
56,7
55,6
50,2
46,8
37,7
73,9
60
52
26
73,1
64,3
58,2
56,7
55,6
50,2
46,8
37,7
73,9
60
52
31
75,1
66,3
60,2
58,7
57,6
52,2
48,8
39,7
75,9
62
54
36
77,1
68,3
62,2
60,7
59,6
54,2
50,8
41,7
77,9
64
56
41
77,1
68,3
62,2
60,7
59,6
54,2
50,8
41,7
77,9
64
56
MTEC.3800.GB-B-1 Operation and maintenance WSA series English
WSA
Water chiller
The sound pressure level of the STANDARD VERSIONS without compressor jackets and compressor vane insula-
tion is approx. 1,5 dB(A) higher than the equivalent low noise versions LS.
3.7 Sound data
LOW NOISE VERSION (LS)
Octave bands (Hz)
Lw: Sound power level according to ISO 9614.
Lp: Sound pressure level measured at 10 mt from the unit in free field conditions direction factor Q=2 according to ISO 9614.
Before undertaking any task the operator must be fully trained in the operation of the machines to be used and
their controls. They must also have read and be fully conversant with all operating instructions.
All maintenance must be performed by TRAINED personnel and be in accordance with all national and local regu-
lations.
The installation and maintenance of the unit must comply with the local regulations in force at the time of the installa-
tion.
Avoid contact and do not insert any objects into moving parts.
4. INSTALLATION
4.1 General safety guidelines and and use of symbols
