Noise Criterion Curves - Mitsubishi Electric PUHZ-FRP71VHA Service Manual

5 DATA
5-1. REFILLING REFRIGERANT CHARGE (R410A : kg)
Service Ref.
PUHZ-FRP71VHA
5-2. COMPRESSOR TECHNICAL DATA
Service Ref.
Compressor model
U-V
Winding
Resistance U-W
( )
W-V

5-3. NOISE CRITERION CURVES

PUHZ-FRP71VHA
90
80
70
60
50
40
30
20
APPROXIMATE
THRESHOLD OF
HEARING FOR
CONTINUOUS
NOISE
10
63 125 250
BAND CENTER FREQUENCIES, Hz
OCH544
10m 20m
3.4 3.6
(at 20°C)
PUHZ-FRP71VHA
SNB172FSHM1
1.34
1.34
1.34
SPL(dB)
MODE LINE
ATA Cooling,
47
HR Cooling
ATA Heating,
48
ATW Heating
NC-70
NC-60
NC-50
NC-40
NC-30
NC-20
500 1000 2000 4000 8000
Total piping length (one way)
30m 40m 50m
3.8 4.4 5.0
Additional charge is required for pipes
longer than total 30 m.
MICROPHONE
1.5m
9
60m 75m
5.6 —
1m
UNIT
GROUND
Initial
charged
3.8