16
10 EFFECTIVE PRESSURE TO THE PLANT
The pressures stated 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
effective pressure to the plant
CONTACT THE HEAD OFFICES.
kPa
Water flow rate l/h
~ ~ ~ ~~
~
11 SOUND DATA
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
(°) - H
Total sound levels Octave band [Hz]
Pow.
dB(A)
Pres. 125 250 500 1000 2000 4000 8000
dB(A)
Sound power level for band central frequency [dB]
15 56.0 47.5 71.0 50.8 44.7 40.2 34.5 27.3 20.8
20 56.5 48.0 66.0 59.0 51.2 49.5 47.6 37.2 32.6
25 57.0 48.5 70.7 58.6 46.5 48.7 41.2 28.9 24.0
30 57.5 49.0 71.2 59.1 47.0 49,.2 41.7 29.4 24.5
12 CALIBRATION OF CONTROL AND SAFETY
PARAMETERS
min. standard max.
Heating set point °C 25 46 55
Differential in heating mode °C
12
5
Cooling set point °C
711
25
Differential in cooling mode
°C
12
5
Autostart
auto
CONTROL PARAMETERS
NOTE
(1) = Version Y
015 020 025 030
magnet circuit breaker
compressor (230V
~
)
A13 16 20 20
High pressure switch bar 26 26 26 26
Low pressure switch bar 2222
015H 020H 025H 030H
magnet circuit switch
compressor (230V
~
)
A
13 16 20 20
High pressure switch bar 26 26 26 26
Low pressure switch bar 1111
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