CSH. series

Sound power levels (one-third octave band) and sound pressure levels

The measurements were taken with the refrigerant R134a resp. R407C at an operating frequency of 50 Hz.
Evaporation temperature to = 5°C, condensing temperature tc = 50°C
The calculated sound pressure level in the last column refers to free field conditions with hemispherical sound propagation at a distance of 1 m.
The tolerance for all specifications is +/- 2 dB(A).
For the measured quantities and their units: Introduction

For many CS. and CSV. compressors, sound insulation hoods are available. Mounting instructions are compiled in the Technical Information SW-179.

With refrigerant R134a

Sound power and sound pressure levels for screw compressors of series CSH with refrigerant R134a





Compressor

Sound power level in dB(A) at different frequencies (one-third octave band)

Sound pressure level in dB(A)


25 Hz


31.5 Hz


40 Hz


50 Hz


63 Hz


80 Hz


100 Hz


125 Hz


160 Hz


200 Hz


250 Hz


315 Hz


400 Hz


500 Hz


630 Hz


800 Hz


1000 Hz


1250 Hz


1600 Hz


2000 Hz


2500 Hz


3150 Hz


4000 Hz


5000 Hz


6300 Hz


8000 Hz


10000 Hz

CSH 6553-35

8.1

10.5

11.2

36.1

13.5

22.5

34.1

31.8

32.0

52.1

61.3

50.8

63.0

81.5

65.2

69.3

79.7

73.5

73.7

68.6

68.2

64.4

60.0

59.0

56.6

52.8

46.9

77.0

CSH 6563-40

10.3

13.1

10.3

33.1

15.7

19.9

34.1

33.4

33.4

52.8

62.5

52.6

63.7

82.6

66.7

70.6

81.5

75.1

75.3

71.2

70.8

66.4

61.1

59.4

56.6

52.5

46.6

78.5

CSH 6583-50

19.8

13.8

19.8

24.2

31.9

29.7

38.7

41.4

41.8

52.9

59.9

56.6

63.9

82.6

65.8

71.9

80.7

81.3

82.3

75.3

74.4

73.8

68.4

65.7

63.0

58.1

52.5

80.6

CSH 6593-60

19.8

15.4

14.1

25.0

22.9

36.4

36.4

33.6

41.6

57.7

64.3

62.8

62.5

81.2

67.4

72.1

82.0

78.2

84.2

76.3

73.4

72.1

66.9

64.2

61.4

57.9

51.5

80.7

CSH 7553-50

17.1

20.3

14.7

20.2

31.0

27.0

41.4

45.1

44.6

57.4

72.5

63.7

66.6

82.1

69.9

77.4

75.8

82.8

76.5

73.8

70.4

69.1

63.6

61.8

57.4

53.5

48.6

79.6

CSH 7563-60

21.2

16.5

2.4

35.0

21.1

38.3

41.6

47.6

54.2

63.1

76.9

71.4

67.1

79.6

69.6

75.3

82.5

79.5

75.5

74.0

71.8

69.7

63.9

62.1

57.1

51.9

38.3

79.5

CSH 7573-70

14.9

16.7

12.8

33.9

15.4

37.1

47.5

38.8

51.2

58.7

74.6

64.2

66.3

78.4

73.6

78.9

78.1

81.9

77.1

77.7

73.2

73.3

66.2

64.3

60.4

57.7

52.2

79.7

CSH 7583-80

22.1

15.9

21.3

38.2

30.3

31.3

51.7

33.1

44.8

64.2

71.8

68.7

67.5

80.0

74.5

78.0

80.9

81.9

77.1

74.7

72.5

71.5

65.6

63.8

60.0

57.2

50.4

79.9

CSH 7593-90

21.6

10.6

19.9

37.2

22.1

38.0

61.1

46.3

48.7

65.6

71.6

69.4

67.7

79.1

73.9

80.5

79.3

79.5

79.4

75.6

72.9

69.3

62.7

59.8

56.1

51.5

46.0

79.6

CSH 8553-80

17.0

13.4

16.7

36.2

25.7

39.5

45.1

35.0

45.0

54.3

70.6

61.6

72.6

89.6

78.4

83.9

78.0

76.8

79.4

74.0

68.6

68.6

68.3

64.4

58.2

52.8

47.4

83.8

CSH 8563-90

10.5

3.0

20.6

42.8

6.9

45.4

50.5

40.0

42.8

49.4

66.7

60.4

71.8

89.2

76.6

85.8

80.2

78.1

78.0

72.5

67.8

65.0

62.7

58.7

53.9

49.4

46.2

83.9

CSH 8573-110

8.7

10.1

15.8

36.6

12.4

25.7

43.0

32.0

46.6

55.6

74.7

65.2

73.1

88.8

81.1

88.0

83.1

83.0

81.6

75.2

71.2

67.2

64.7

62.5

55.7

49.4

45.9

85.4

CSH 8583-125

22.2

26.6

21.7

37.1

24.6

27.5

50.8

42.9

46.0

54.5

72.6

63.8

70.7

83.2

78.4

85.5

85.1

83.3

85.4

74.7

73.0

65.5

62.6

57.9

53.6

49.4

44.8

84.1

CSH 8593-140

29.9

36.2

37.0

40.8

41.6

42.8

49.6

52.2

55.8

58.5

72.1

63.5

70.3

86.1

79.2

88.4

80.1

81.2

84.8

73.9

68.6

67.5

64.7

58.4

56.1

51.8

46.8

84.5

CSH 9563-160

15.9

16.1

12.3

25.7

37.1

44.8

68.9

52.7

50.0

61.7

82.5

68.9

72.5

84.3

79.5

89.1

85.0

83.7

81.0

78.9

75.5

77.0

71.4

65.9

62.3

58.4

53.1

85.5

CSH 9573-180

20.6

22.4

19.3

31.3

28.4

43.3

66.0

52.4

54.3

63.6

84.6

70.7

75.2

85.7

80.1

87.5

86.8

81.1

82.8

79.2

74.6

73.2

71.0

64.6

61.6

57.1

52.0

85.7

CSH 9583-210

17.2

21.4

20.7

29.2

23.6

44.4

64.0

50.8

56.2

67.7

88.2

74.3

74.0

88.0

80.9

86.2

83.5

85.0

81.6

84.6

76.1

63.9

65.0

58.2

53.8

51.4

48.9

86.6

CSH 9593-240

20.1

16.6

14.9

20.3

31.8

43.3

64.9

49.9

54.7

66.4

86.7

74.3

78.0

86.1

81.8

89.5

81.8

89.2

81.1

84.2

78.8

74.0

71.1

65.0

61.4

57.5

53.0

87.5

CSH 95103-280

9.9

18.9

18.0

44.6

30.1

49.9

61.0

46.0

62.6

62.8

85.9

69.3

72.3

85.6

82.4

93.5

86.1

84.4

83.2

80.5

74.5

72.6

70.8

66.6

62.7

57.6

45.9

88.3

CSH 95113-320

22.2

21.2

24.5

49.4

27.2

38.7

56.7

48.0

49.0

63.1

83.1

73.4

73.7

90.0

83.1

91.9

87.5

88.2

85.4

82.7

76.2

77.1

71.8

67.0

61.5

56.8

47.0

88.9

With refrigerant R407C

Sound power and sound pressure levels for screw compressors of series CSH with refrigerant R407C





Compressor

Sound power level in dB(A) at different frequencies (one-third octave band)

Sound pressure level in dB(A)


25 Hz


31.5 Hz


40 Hz


50 Hz


63 Hz


80 Hz


100 Hz


125 Hz


160 Hz


200 Hz


250 Hz


315 Hz


400 Hz


500 Hz


630 Hz


800 Hz


1000 Hz


1250 Hz


1600 Hz


2000 Hz


2500 Hz


3150 Hz


4000 Hz


5000 Hz


6300 Hz


8000 Hz


10000 Hz

CSH 6553-50

12.7

17.7

22.7

37.7

23.3

49.2

44.8

29.9

40.1

50.2

63.1

48.2

61.5

78.2

67.6

73.9

74.2

76.3

73.5

69.5

68.8

69.4

65.2

63.6

60.6

56.3

51.5

75.5

CSH 6563-60

21.6

28.2

19.0

25.6

32.2

38.8

44.8

36.3

45.8

52.9

67.9

55.3

64.4

80.5

73.8

79.0

81.3

82.7

80.0

79.8

79.1

77.4

69.5

65.1

60.5

55.0

50.2

81.5

CSH 7553-70

9.2

14.4

19.6

32.6

28.5

39.1

36.5

44.6

54.3

57.2

70.9

66.9

68.2

80.4

71.3

76.6

82.4

84.9

78.7

78.3

73.9

73.1

69.1

65.5

61.1

56.1

50.8

81.4

CSH 7563-80

16.1

13.2

20.6

32.6

29.7

38.9

30.8

44.1

48.7

58.7

72.3

68.6

68.7

80.4

73.5

79.5

83.1

84.7

78.9

77.5

73.8

73.1

69.1

66.0

61.9

56.4

51.1

81.8

CSH 7573-90

16.2

12.4

18.7

42.6

20.5

44.8

53.1

41.1

51.6

56.8

73.7

68.7

71.1

84.0

75.0

82.0

81.2

83.5

78.7

77.9

75.8

71.6

67.9

65.5

61.1

57.0

51.9

82.2

CSH 8553-110

16.7

15.4

6.3

37.1

40.6

45.1

29.2

32.1

39.2

54.7

63.3

62.1

69.4

80.9

71.9

78.8

85.8

82.1

80.0

74.0

71.3

66.6

65.5

63.9

58.0

52.9

48.9

81.6

CSH 8573-140

19.3

15.7

11.7

15.6

8.5

27.6

46.1

30.8

32.9

49.7

62.9

63.0

71.1

87.9

72.8

78.2

89.1

85.7

82.9

78.2

74.7

68.9

66.6

64.0

58.1

53.3

50.0

85.4

CSH 9553-180

26.5

27.1

25.7

7.6

19.8

32.6

57.6

43.9

46.1

55.9

72.6

70.4

75.2

90.2

83.6

91.0

86.8

86.0

84.0

84.0

78.2

73.9

72.6

70.0

66.7

63.0

59.3

88.1

CSH 9563-210

21.1

31.3

22.0

3.1

20.9

39.8

63.5

47.5

51.6

63.9

79.1

71.0

74.9

92.7

81.2

90.5

86.2

84.7

87.7

85.8

79.8

75.4

73.0

69.9

66.0

63.3

59.8

89.1

CSH 9573-240

20.4

25.0

23.8

3.1

14.4

37.1

60.2

46.7

58.4

59.7

76.4

71.2

79.0

90.1

81.0

89.7

84.1

83.4

83.9

85.0

77.2

72.5

70.2

66.7

62.9

58.7

54.3

87.2

CSH 9593-300

20.0

22.6

21.0

48.1

41.6

50.5

64.5

50.0

53.4

62.2

78.1

70.9

78.1

93.3

87.7

95.2

90.5

85.9

87.0

87.6

79.2

72.3

69.1

64.5

60.0

57.5

53.1

91.5