Qei-44 class i, Performance data, Qei-44i – Greenheck Fan Mixed Flow Fans Belt and Direct Drive QEI-L User Manual

Page 44: Specification data

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44

Performance certified is for installation type B: Free inlet, Ducted outlet. Power rating (Bhp) does not include transmission losses. Performance ratings do not

include the effects of appurtenances (accessories).
The sound power level ratings shown are in decibels, referred to 10

-12

watts, calculated per AMCA Standard 301. Values shown are for inlet L

Wi

, L

Wi

A and outlet L

Wo

,

L

Wo

A sound power levels for installation type B: Free inlet, Ducted outlet. Ratings for inlet sound do not include the effects of duct end correction. Ratings for outlet

sound include the effects of duct end correction. The A-weighted sound power ratings shown have been calculated per AMCA Standard 301. The AMCA Certified
Ratings Seal applies to L

Wi

A and L

Wo

A values only.

Performance Data

QEI-44 Class I

CFM

OV

STATIC PRESSURE (inches wg)

0.25

0.5

1

1.5

2

2.5

3

3.5

4

RPM

BHP

RPM

BHP

RPM

BHP

RPM

BHP

RPM

BHP

RPM

BHP

RPM

BHP

RPM

BHP

RPM

BHP

15200

741

280

0.93

329

1.69

417

3.49

18500

902

322

1.30

362

2.12

440

4.12

510

6.39

21800

1063

367

1.81

400

2.69

468

4.84

532

7.31

590

9.96

25100

1224

413

2.45

442

3.42

501

5.70

559

8.36

613

11.2

663

14.2

717

17.6

28400

1386

459

3.26

485

4.32

537

6.72

589

9.51

640

12.6

689

15.9

733

19.2

779

22.8

826

26.8

31700

1547

507

4.25

531

5.42

577

7.97

624

10.9

670

14.1

715

17.6

759

21.2

800

24.9

838

28.7

35000

1708

556

5.44

577

6.72

619

9.44

660

12.5

704

15.8

745

19.5

786

23.3

826

27.3

864

31.3

38300

1869

605

6.86

623

8.25

661

11.1

700

14.3

739

17.8

777

21.5

816

25.6

853

29.8

889

34.1

41600

2030

654

8.53

670

10.0

706

13.1

741

16.5

775

20.0

813

23.9

847

28.0

884

32.4

44900

2191

703

10.5

719

12.1

751

15.4

784

18.9

816

22.6

849

26.6

883

30.9

48200

2352

753

12.7

767

14.4

797

17.9

827

21.6

858

25.5

888

29.6

51500

2513

802

15.2

816

17.0

843

20.8

872

24.6

901

28.7

Inlet Sound Power, L

Wi

[dB ref 10

-12

watts]

Outlet Sound Power, L

Wo

[dB ref 10

-12

watts]

RPM

% WOV

1

2

3

4

5

6

7

8

L

Wi

A

RPM

% WOV

1

2

3

4

5

6

7

8

L

Wo

A

225

100

71

68

64

64

59

47

39

32

64

225

100

72

69

67

67

62

52

45

38

67

80

70

67

63

63

58

48

40

34

63

80

71

69

66

66

62

52

45

38

67

60

66

65

62

63

58

48

39

32

63

60

71

68

65

66

62

53

46

39

66

50

68

66

63

63

58

47

39

33

63

50

71

69

65

66

62

53

46

40

67

325

100

77

76

72

72

67

56

50

45

72

325

100

80

77

74

74

69

60

52

45

74

80

75

74

71

70

64

57

49

42

70

80

79

75

73

71

66

59

52

44

72

60

73

72

70

70

64

58

51

43

70

60

78

74

71

71

66

59

52

45

71

50

73

71

70

70

64

57

50

42

70

50

79

75

71

71

66

59

52

45

72

450

100

86

83

79

77

76

71

60

54

80

450

100

90

84

82

81

78

72

61

53

82

80

83

81

77

75

72

66

60

53

77

80

88

83

80

80

75

68

60

52

80

60

82

80

75

74

72

66

60

54

76

60

87

82

78

77

74

68

61

53

79

50

82

79

75

74

72

66

61

54

76

50

87

82

77

77

73

67

61

54

78

650

100

92

95

89

85

84

82

70

63

89

650

100

91

92

91

90

86

83

74

65

91

80

91

93

86

82

79

74

68

62

85

80

90

91

88

87

82

77

70

63

88

60

89

90

82

79

78

74

69

64

83

60

89

89

86

84

80

76

70

65

86

50

88

88

81

79

78

74

69

64

82

50

90

90

85

84

80

76

71

65

86

915

100

96

101

97

95

92

91

86

71

98

915

100

95

99

100 100

95

93

88

75

101

80

94

99

95

92

88

84

78

71

94

80

94

98

97

97

92

88

81

73

98

60

93

96

90

88

86

82

78

74

91

60

95

96

95

93

89

85

80

74

95

50

93

96

90

88

86

82

78

74

91

50

96

97

95

93

89

85

80

75

95

Static Pr

essur

e (in. wg)

Static Pr

essur

e (Pa x 100)

Volume (cfm x 1000)

3

Volume (m /hr x 1000)

0

10

20

30

40

50

60

70

80

90

100

0

2

4

6

8

10

12

14

DO

NO

T S

EL

EC

T

TO

T

HE

L

EF

T

O

F

TH

IS

S

YS

TE

M

C

U

R

VE

0

5

10

15

20

25

30

35

40

45

50

55

60

0

1

2

3

4

5

6

QEI-44I

RPM
BHP
% WOV
Density 0.075 lb/ft

3

Density 1.2 kg/m

3

345

468

589

60% WOV

70% WOV

80% WOV

90% WOV

850

5

2

10

20

30

743

915

40

Performance Data

Maximum Fan RPM

915

Specification Data

Maximum Motor
Frame Size

326T

Minimum Motor
Starting hp

7

1

2

hp

5.5 kW

Wheel Diameter

54.25 in.

1378 mm

Approximate Weight
(Less Motor & Drives)

2000 lbs.

907 kg.

Maximum Bhp = (Fan RPM / 273)

3

Outlet Velocity (FPM) = CFM / 20.49
Tip Speed (FPM) = Fan RPM x 14.2
% WOV = (CFM x 100) / (Fan RPM x 65.3)
Imperial data —

Metric data

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