SOUND DATA
15.
CALIBRATION OF SAFETY PARAMETERS
16.
To prevent the transmission of noise to
the heating system, it is recommended
to install VT anti-vibration mounts
(ACCESSORY) and flexible pipes between
the VXT and the heating system.
Sound power
The data given express the total sound
power emitted from the machine in
nominal functioning conditions
.
Sound Pressure
(*) Environment volume of 80m3,
reverberation time 0.5s, distance 3 metres
and directionality factor 4.
COOLIN
G MODE
HEA
TIN
G MODE
Total sound levels
Octave band [Hz]
Power.
dB(A)
Pressure.
125
250
500
1000 2000 4000 8000
dB(A)
*
Sound potential for centre of band [dB] frequency
VXT06
43.0
35.0
57.0
45.8
35.4
30.3
22.0
18.3
12.1
VXT08
45.0
37.0
59.0
47.8
37.4
32.3
24.0
20.3
14.1
VXT10
45.0
37.0
59.0
47.8
37.4
32.3
24.0
20.3
14.1
VXT14
47.0
39.0
61.1
49.9
39.5
34.4
26.1
22.4
16.2
VXT16
49.5
41.5
63.2
52.0
41.6
36.5
28.2
24.5
18.3
CONTROL PARAMETERS
VXT
06
08
10
14
16
MAGNET CIRCUIT BREAKER COMPRESSORS
MTC1
230V
A
20
25
25
-
-
MTC1
400V
A
10
16
16
16
TRANSDUCERS AND PRESSURE SWITCHES
High pressure pressure switch
bar
42
42
42
42
42
Low pressure transducer
cooling mode bar
30
30
30
30
30
heating mode bar
30
30
30
30
30
High pressure transducer
bar
45
45
45
45
45
VXT
min
standard
max
Cooling set point
°C
-6
7
18
Heating set point
°C
35
48
55
Defrosting mode
°C
-9
3
4
Total differential
°C
3
5
10
Autostart
auto
28