Noise Criterion Curves - Mitsubishi Electric Mr.SLIM PCA-A24GA Service Manual

Service Ref.
Power supply(phase, cycle, voltage)
Max. Fuse Size
Min.Circuit Ampacity
External finish
Heat exchanger
Fan(drive) o No.
Fan
Fan motor output
Fan motor
Airflow(Low-Medium2-Medium1-High)
External static pressure
Operation control & Thermostat
Noise level(Low-Medium2-Medium1-High)
Field drain pipe O.D.
Dimensions
Weight
6

NOISE CRITERION CURVES

PCA-A24GA
PCA-A24GA
PCA-A30GA
PCA-A30GA
PCA-A24GA
1
PCA-A30GA
1
90
80
70
60
50
40
30
APPROXIMATE
20
THRESHOLD OF
HEARING FOR
CONTINUOUS
NOISE
10
63 125 250
BAND CENTER FREQUENCIES, Hz
A
A
kW
F.L.A
K/min(CFM)
Pa(mmAq)
dB
mm(in.)
mm(in.)
W
mm(in.)
D
mm(in.)
H
kg(lbs)
2 NOTCH SPL(dB) LINE
High 43
2
Medium1 41
Medium2
39
Low 37
NC-70
NC-60
NC-50
NC-40
NC-30
NC-20
500 1000 2000 4000 8000
3.3ft
3.3ft
about 4.62ft
MICROPHONE
PCA-A42GA, PCA-A42GA
Single phase, 60Hz, 208/230V
Munsell 0.70Y 8.59/0.97
Plate fin coil
Sirocco fan (direct) o 3
Dry: 20-21-23-25(705-740-810-885)
Wet:18-19-21-22(635-670-730-790)
0(direct blow)
Remote controller & built-in
40-41-43-45
1,310(51-9/16)
680(26-25/32)
270(10-5/8)
PCA-A36GA PCA-A36GA
PCA-A42GA PCA-A42GA
PCA-A36GA
1
PCA-A42GA
1
90
80
70
60
50
40
30
APPROXIMATE
20
THRESHOLD OF
HEARING FOR
CONTINUOUS
NOISE
10
63 125
ceiling
unit
9
, PCA-A42GA
1 2
15
1
0.090
0.69
26(1-1/32)
37(82)
NOTCH SPL(dB)
2
High
2
Medium1
Medium2
Low
250 500 1000 2000 4000
BAND CENTER FREQUENCIES, Hz
LINE
45
43
41
40
NC-70
NC-60
NC-50
NC-40
NC-30
NC-20
8000