Airwell PAC BTE UI 4 Manuel D'utilisation page 94

10 - TECHNICAL INFORMATION
SOUND LEVELS - EXTERNAL UNIT
Sound power level (Db)
SIZE
Octave band (Hz)
63 125 250 500 1000 2000 4000 8000
4kW 65 61 59 60
6kW 64 64 61 61
67 67 64 64
8kW
10kW 70 72 66 64
12kW 69 73 65 65
71 74 69 67
14kW
72 70 68 67
16kW
ADMISSIBLE WATER FLOW RATES
Min. (Qmin) and max. (Qmax) water flow-rates admissibles for the correct unit operation.
Size
Minimum system water content
Minimum admitted water flow rate
Maximum admitted water flow rate
1. The minimum system water charge is the water contained in the system and in the unit when the zone with the smaller water content is demanding service.
PRESSURE CURVES OF THE INSTALLATION CIRCULATOR
Size 4kW - 6kW - 8kW
Size 10kW - 12kW - 14kW - 16kW
DP [kPa] = Available pressure
Q [l/s] = water flow-rate
Pe [W] = Electric power consumption
Sound
pressure
level
dB(A)
54 50 42 37 46
56 53 47 42 48
59 56 50 45
50
65 55 49 43 52
67 55 51 44 54
67 59 55 48
55
68 59 54 47
55
Sound
power
Sound levels refer to units with full load under nominal test
level
conditions.
dB(A)
The sound pressure level refers to a distance of 1 meter from
the outer surface of the unit operating in open field.
60
Noise levels are determined using the tensiometric method
62
(UNI EN ISO 9614-2)
65
Data referred to the following conditions:
67 entering / leaving exchanger water temperature user side
12/7°C
69
entering / leaving exchanger water temperature source side
70
30/35°C
70
4 kW 6 kW 8 kW
(1) l 15 22 28
l/s 0,17 0,17 0,17
l/s
0,90 0,90 0,90
Size 4kW - 6kW - 8kW
Size 10kW - 12kW - 14kW - 16kW
10 kW 12 kW 14 kW 16 kW
35 42 50 55
0,25 0,25 0,25 0,25
1,50
1,10 1,30 1,70
94