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68db
COOLING &
HEATING
NC-20
NC-30
NC-40
NC-50
NC-60
NC-70
50Hz
10
8000560040002800200014001000
7105003552501801259063
all
over
octave-band lebel db (0db=0.0002ubar)
octave-band frequency [Hz]
45
90
80
70
60
50
40
30
20
A scale
CONDITION
63 Hz 1000 Hz 2000 Hz 4000 Hz 8000 Hz125 Hz 250 Hz 500 Hz
77 70 65 60 58 51 48
Note. The measuring point is 1m from the comp. service panel.
73.5
OUTLINE DIMENSIONS
- 27 -
25103025
25
WIRING HOLE
1534
80
80
25
26.5
424
25(1030)
25
15
742 742
22
22
42
30019941049
1000
49
1600
944
470
607
16-ø3.5 HOLES
16-ø3.5 HOLES
30
21021021021030
900
10
25
200200
20020025
A
65
10
65
10
410
25 180 180 25
65
300
20 130 130
20
65
10
850
54.5 971 54.5
1080
50
40 1000 40
900 50
75
850 75
4- ø25
SASPENSION HOLES
DRAIN 1B PT
A(DETAIL)
CONDENSER AIR OUTLET
SUPPLY AIR
RETURN AIR
6-15X25 MTG HOLES
CONDENSER AIR INLET
(2 SIDES)
CONTROL BOX
RETURN AIR DUCT FLANGE
SUPPLY AIR DUCT FLANGE
PR-5YC
PRH-5YA
PRH-5YA-L
PR-20YC
PRH-20YA
PRH-20YA-L