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3.7 Operation limits
100
90
80
70
60
50
40
30
10
Air Temperature (°C)
The units MUST be used within the operation limit indicated in the diagrams. The warranty will be invalidated if the units are used
in ambient conditions outside the limits reported. If there is the necessity to operate in different conditions, please contact our
technical office.
The units are designed and manufactured to work with ambient temperatures from 15 ° C to 30 ° C and relative humidity from 40%
to 90%. The temperature of the supply water can vary from 15 ° C to 45 ° C.
When the water temperature exceeds 25 ° C the unit will work only in ventilation mode.
The units are designed to operate within false ceiling and/or heated technical room. The units are NOT suitable for outdoor
installations and / or technical room w/o heat (attics, rooms communicating with the outside) as it may form condensation on the
walls and inside the unit cabinet causing damages.
3.8 Sound Data
Mod.
63
125
dB
dB
25
56,1
47,3
Lw: Sound power level according to UNI EN ISO 3746:1997.
Lp: Sound pressure level measured at 1 mt from the unit in free field conditions direction factor Q=2 according to ISO 9614, minimum fan speed.
20
30
40
Sound Data
Octave band (Hz)
250
500
1K
dB
dB
dB
41,2
39,7
38,6
100
90
80
70
60
50
40
30
0
10
Water Temperature (°C)
2K
4K
8K
dB
dB
dB
33,2
29,8
20,7
16
20
30
40
50
60
Lw
dB
dB(A)
56,9
43
Lp
dB(A)
35
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