Noise Criterion Curves - Mitsubishi Electric PUHZ-W50VHA Service Manual

4
DATA

4-1. NOISE CRITERION CURVES

PUHZ-W50VHA(-BS)
PUHZ-W50VHAR1(-BS)
PUHZ-W50VHAR2(-BS)
PUHZ-W50VHAR3(-BS)
90
80
70
60
50
40
30
20 APPROXIMATE
THRESHOLD OF
HEARING FOR
CONTINUOUS
NOISE
10
63 125 250
BAND CENTER FREQUENCIES, Hz
PUHZ-HW112YHA(-BS)
PUHZ-HW112YHA2(-BS)
PUHZ-HW112YHA2R1(-BS)
PUHZ-HW112YHA2R3(-BS)
PUHZ-HW112YHA2R4(-BS)
PUHZ-HW112YHA2R5(-BS)
PUHZ-HW112YHA2R6(-BS)
PUHZ-HW112YHA2R7(-BS)
PUHZ-HW140VHA(-BS)
PUHZ-HW140YHA(-BS)
PUHZ-HW140VHA2(-BS)
PUHZ-HW140VHA2R1(-BS)
90
80
70
60
50
40
30
20 APPROXIMATE
THRESHOLD OF
HEARING FOR
CONTINUOUS
NOISE
10
63 125 250
BAND CENTER FREQUENCIES, Hz
OCH439M
MODE SPL(dB) LINE
COOLING 45
HEATING 46
NC-70
NC-60
NC-50
NC-40
NC-30
NC-20
500 1000 2000 4000 8000
PUHZ-HW140VHA2R2-BS
PUHZ-HW140VHA2R3(-BS)
PUHZ-HW140VHA2R4(-BS)
PUHZ-HW140VHA2R5(-BS)
PUHZ-HW140VHA2R6(-BS)
PUHZ-HW140VHA2R7(-BS)
PUHZ-HW140YHA2(-BS)
PUHZ-HW140YHA2R1-BS
PUHZ-HW140YHA2R3(-BS)
PUHZ-HW140YHA2R4(-BS)
PUHZ-HW140YHA2R5(-BS)
PUHZ-HW140YHA2R6(-BS)
PUHZ-HW140YHA2R7(-BS)
SPL(dB)
MODE LINE
COOLING 53
HEATING 53
NC-70
NC-60
NC-50
NC-40
NC-30
NC-20
500 1000 2000 4000 8000
PUHZ-W85VHA(-BS)
PUHZ-W85VHAR1(-BS)
90
80
70
60
50
40
30
20
APPROXIMATE
THRESHOLD OF
HEARING FOR
CONTINUOUS
NOISE
10
63 125 250
BAND CENTER FREQUENCIES, Hz
MICROPHONE
1.5 m
31
SPL(dB)
MODE LINE
COOLING
48
HEATING 48
500 1000 2000 4000 8000
1 m
UNIT
GROUND
NC-70
NC-60
NC-50
NC-40
NC-30
NC-20