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The pressures st at ed here are
net of pressure drops of the heat
exchangers, filter, storage. They must
therefore be considered USEFUL TO
THE PLANT.
NOTE
- The pressures are calculated when
cold, WITH ∆T 5 °C. FOR LOWER
∆T INFERIORI CONTACT THE HEAD
OFFICES.
- IN PRESENCE OF GLYCOL for the
ef fective pressure to the plant
CONTACT THE HEAD OFFICES.
The data stated expresses the total sound
power level emitted by the machine at
nominal functioning conditions in cooling
mode.
The sound pressure is calculated in a semi-
reverberant chamber with volume of 85
m 3 and with reverberation time Tr = 0.5 s.
KEY
Functioning conditions:
Water evaporator (in/out) 12/7 °C
Condensate air 35 °C
CONTROL PARAMETERS
NOTE
(1) = Version Y
16
EFFECTIVE PRESSURE TO THE PLANT
10
kPa
SOUND DATA
11
Total sound levels
Pow.
Pres.
125
(°) - H
dB(A)
dB(A)
15
56.0
47.5
71.0
20
56.5
48.0
66.0
25
57.0
48.5
70.7
30
57.5
49.0
71.2
CALIBRATION OF CONTROL AND SAFETY
12
PARAMETERS
Heating set point
Differential in heating mode
Cooling set point
Differential in cooling mode
Autostart
magnet circuit breaker
A
compressor (230V ~ )
High pressure switch
bar
Low pressure switch
bar
magnet circuit switch
A
compressor (230V ~ )
High pressure switch
bar
Low pressure switch
bar
Water flow rate l/h
Octave band [Hz]
250
500
1000
Sound power level for band central frequency [dB]
50.8
44.7
40.2
59.0
51.2
49.5
58.6
46.5
48.7
59. 1
47.0
49,.2
min.
standard
°C
25
46
1
2
°C
7
11
°C
1
2
°C
015
020
13
16
26
26
2
2
015H
020H
13
16
26
26
1
1
2000
4000
8000
34.5
27.3
20.8
47.6
37.2
32.6
41.2
28.9
24.0
41.7
29.4
24.5
max.
55
5
25
5
auto
025
030
20
20
26
26
2
2
025H
030H
20
20
26
26
1
1
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