Mitsubishi Electronics Noise Criterion Curves, PCA-A24GA1, PCA-A30GA1, PCA-A36GA1, PCA-A42GA1

INDOOR UNIT

Service Ref.
Power supply(phase, cycle, voltage)
	Max. Fuse Size		A
	Min.Circuit Ampacity		A
External finish
Heat exchanger
Fan	Fan(drive) o No.
	Fan motor output		kW
	Fan motor		F.L.A
	Airflow(Low-Medium2-Medium1-High) K/min(CFM)
	External static pressure		Pa(mmAq)
Operation control & Thermostat			dB
Noise level(Low-Medium2-Medium1-High)
Field drain pipe O.D.			mm(in.)
Dimensions		W	mm(in.)
		D	mm(in.)
		H	mm(in.)
Weight			kg(lbs)

PCA-A42GA, PCA-A42GA1

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)

6

NOISE CRITERION CURVES

PCA-A24GA						NOTCH		SPL(dB)	LINE
PCA-A30GA							High	43
						Medium1		41
PCA-A24GA1
						Medium2		39
PCA-A30GA1							Low	37
	90
∝bar)	80
= 0.0002	70								NC-70
dB (0 dB	60
LEVEL,									NC-60
PRESSURE	50
									NC-50
SOUND	40
									NC-40
BAND	30
OCTAVE
									NC-30
	20	APPROXIMATE
		THRESHOLD OF
		HEARING FOR							NC-20
		CONTINUOUS
		NOISE
	10	63	125	250	500	1000	2000	4000	8000

BAND CENTER FREQUENCIES, Hz

PCA-A36GA						NOTCH		SPL(dB)	LINE
PCA-A42GA							High	45
						Medium1		43
PCA-A36GA1
						Medium2		41
PCA-A42GA1							Low	40
	90
∝bar)	80
= 0.0002	70								NC-70
dB (0 dB	60
LEVEL,									NC-60
PRESSURE	50
									NC-50
SOUND	40
									NC-40
BAND	30
OCTAVE
									NC-30
	20	APPROXIMATE
		THRESHOLD OF
		HEARING FOR							NC-20
		CONTINUOUS
		NOISE
	10	63	125	250	500	1000	2000	4000	8000

BAND CENTER FREQUENCIES, Hz

3.3ft	ceiling
3.3ft	unit
about 4.62ft
MICROPHONE

9