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NOISE CRITERION CURVES6
90
80
70
60
50
40
30
20
10
63 125 250 500 1000 2000 4000 8000
APPROXIMATE
THRESHOLD OF
HEARING FOR
CONTINUOUS
NOISE
NC-60
NC-50
NC-40
NC-30
NC-20
NC-70
BAND CENTER FREQUENCIES, Hz
OCTAVE BAND SOUND PRESSURE LEVEL, dB (0 dB = 0.0002 µbar)
PCA-A24GA
PCA-A30GA
PCA-A24GA
1
PCA-A30GA1
NOTCH
High
Medium1
Medium2
Low
SPL(dB)
43
41
39
37
LINE
90
80
70
60
50
40
30
20
10
63 125 250 500 1000 2000 4000 8000
APPROXIMATE
THRESHOLD OF
HEARING FOR
CONTINUOUS
NOISE
NC-60
NC-50
NC-40
NC-30
NC-20
NC-70
BAND CENTER FREQUENCIES, Hz
OCTAVE BAND SOUND PRESSURE LEVEL, dB (0 dB = 0.0002 µbar)
PCA-A36GA
PCA-A42GA
PCA-A36GA
1
PCA-A42GA1
NOTCH
High
Medium1
Medium2
Low
SPL(dB)
45
43
41
40
LINE
Single phase, 60Hz, 208/230V
15
1
Munsell 0.70Y 8.59/0.97
Plate fin coil
Sirocco fan (direct) o 3
0.090
0.69
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
26(1-1/32)
1,310(51-9/16)
680(26-25/32)
270(10-5/8)
37(82)
A
A
kW
F.L.A
K/min(CFM)
Pa(mmAq)
dB
mm(in.)
mm(in.)
mm(in.)
mm(in.)
kg(lbs)
Service Ref.
Power supply(phase, cycle, voltage)
Max. Fuse Size
Min.Circuit Ampacity
External finish
Heat exchanger
Fan Fan(drive) o No.
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
W
D
H
PCA-A42GA, PCA-A42GA
1
INDOOR UNIT
3.3ft
3.3ft
unit
about 4.62ft
MICROPHONE
ceiling
OC368B--1.qxp 07.6.20 1:01 PM Page 9