Rev. B 08-2017
19
30
10 20 30 40
50
40
70
60
90
100
80
30
0 102030405060
50
40
70
60
90
100
80
Mod.
Lw Lp
63 125 250 500 1K 2K 4K 8K
dB dB(A) dB(A)
dB dB dB dB dB dB dB dB
25 - 25WZ 58,1 49,3 43,2 41,7 40,6 35,2 31,8 22,7 58,9 45 37
50 - 50WZ 63,1 54,3 48,2 46,7 45,6 40,2 36,8 27,7 63,9 50 42
100-100WZ 70,1 61,3 55,2 53,7 52,6 47,2 43,8 34,7 70,9 57 49
200-200WZ 77,1 68,3 62,2 60,7 59,6 54,2 50,8 41,7 77,9 64 56
MTEC.4680.GB-B-1 Operation and maintenance manual GH serie English
GH Dehumidifiers for radiant cooling system
3.8 Operation limits
Room relative humidity (%)
Room relative humidity (%)
Water Temperature (°C) Air Temperature (°C)
Functioning in dehumidification
Functioning in ventilation
3.9 Sound Data
Sound Data
Octave band (Hz)
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.
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 condi-
tions, 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.
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