SYSHRW Engineering Data Manual (EDM HRW S 4GB)

Test room
Ducted
return (**)
Ducted
discharge (**)
WATER SOURCE
HEAT PUMP (*)
Test room
Non ducted
return
Ducted
discharge (**)
WATER SOURCE
HEAT PUMP (*)
SYSHRW
16
Acoustical Data
Sound power levels Lw - SYSHRW 019
Sound power levels Lw - SYSHRW 027
Sound power levels Lw - SYSHRW 030
Conguration A Conguration B
(*) Unit suspended at 1 metre from ground.
(**) 1.5 metre long acoustic duct.
(*) Unit suspended at 1 metre from ground.
(**) 1.5 metre long acoustic duct.
Speeds Type
Frequency
Global
dB(A)
125 Hz 250 Hz 500 Hz 1k Hz 2k Hz 4k Hz
LS
Lw radiated inlet + casing (Config. A) 48.9 50.4 52.2 54.9 51.3 40.4 59.1
Lw radiated casing only (Config. B) 44.2 43.1 44.7 45.7 41.5 30.1 51.1
MS
Lw radiated inlet + casing (Config. A) 51.4 53.8 55.0 57.7 52.7 43.3 61.7
Lw radiated casing only (Config. B) 47.1 46.6 47.4 49.1 45.5 35.5 54.4
HS
Lw radiated inlet + casing (Config. A) 53.9 57.1 57.8 60.6 54.0 46.2 64.5
Lw radiated casing only (Config. B) 50.0 50.2 50.1 52.5 49.5 40.9 57.7
Speeds Type
Frequency
Global
dB(A)
125 Hz 250 Hz 500 Hz 1k Hz 2k Hz 4k Hz
LS
Lw radiated inlet + casing (Config. A) 51.5 50.5 50.1 53.9 51.7 41.9 58.8
Lw radiated casing only (Config. B) 46.8 47.1 45.9 48.8 44.5 33.4 53.9
MS
Lw radiated inlet + casing (Config. A) 51.7 52.6 49.7 55.2 53.6 44.1 60.1
Lw radiated casing only (Config. B) 47.4 47.9 48.1 51.4 47.9 37.7 55.9
HS
Lw radiated inlet + casing (Config. A) 54.3 54.2 53.1 57.5 56.1 46.7 62.5
Lw radiated casing only (Config. B) 48.4 48.5 49.4 53.4 49.8 40.2 57.4
Speeds Type
Frequency
Global
dB(A)
125 Hz 250 Hz 500 Hz 1k Hz 2k Hz 4k Hz
LS
Lw radiated inlet + casing (Config. A) 45.6 51.1 52.3 53.9 47.0 43.2 58.2
Lw radiated casing only (Config. B) 45.4 45.7 45.0 48.4 40.8 29.3 52.7
MS
Lw radiated inlet + casing (Config. A) 48.2 51.7 55.2 56.2 50.2 43.2 60.3
Lw radiated casing only (Config. B) 46.3 44.7 48.3 49.9 43.0 32.7 54.2
HS
Lw radiated inlet + casing (Config. A) 50.5 54.3 58.1 59.0 54.0 48.1 63.3
Lw radiated casing only (Config. B) 48.4 48.4 51.5 51.3 46.4 38.7 56.7