Qei-49 class i, Performance data, Qei-49i – Greenheck Fan Mixed Flow Fans Belt and Direct Drive QEI-L User Manual

Page 46: Specification data

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46

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-49 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

18000

724

248

1.08

293

2.00

375

4.18

22000

885

285

1.52

323

2.51

394

4.91

459

7.67

26000

1046

325

2.10

356

3.16

418

5.77

477

8.73

532

12.0

30000

1207

366

2.85

393

4.02

448

6.77

500

10.0

551

13.4

597

17.1

647

21.2

34000

1368

407

3.79

432

5.06

479

7.98

527

11.4

574

15.1

618

19.0

659

23.1

703

27.6

38000

1529

450

4.95

472

6.35

514

9.43

558

13.0

601

16.9

641

21.1

682

25.5

719

29.9

755

34.6

42000

1690

494

6.34

513

7.88

552

11.2

590

14.8

629

18.9

668

23.3

705

28.0

742

32.8

776

37.7

46000

1851

538

8.01

554

9.67

590

13.2

625

17.0

661

21.3

696

25.8

732

30.7

766

35.8

799

41.0

50000

2012

582

9.96

597

11.8

630

15.5

662

19.5

694

23.9

728

28.6

759

33.6

793

38.9

824

44.4

54000

2173

626

12.2

640

14.2

670

18.1

700

22.4

730

26.9

760

31.7

792

36.9

820

42.3

58000

2334

670

14.8

683

16.9

711

21.1

739

25.5

767

30.3

794

35.2

823

40.6

62000

2494

714

17.8

727

20.0

752

24.5

779

29.2

805

34.1

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

200

100

72

68

64

64

57

46

38

31

64

200

100

72

69

67

67

60

51

44

37

67

80

70

66

63

63

57

47

40

34

63

80

72

69

67

67

60

52

44

37

67

60

67

65

63

63

57

47

38

31

63

60

71

68

66

67

60

52

45

39

66

50

69

66

63

63

56

46

39

33

63

50

71

68

66

67

61

52

46

39

67

300

100

79

76

73

73

67

57

50

46

73

300

100

81

78

76

75

69

61

53

45

75

80

77

74

73

71

65

57

50

43

71

80

80

76

74

72

67

60

52

45

73

60

75

72

72

71

65

58

51

44

71

60

79

75

72

72

67

60

53

45

72

50

74

72

71

70

65

58

51

43

71

50

80

75

73

72

67

60

53

45

73

425

100

88

84

81

79

78

71

61

55

82

425

100

91

85

84

82

80

73

62

55

84

80

85

82

78

77

74

67

61

54

78

80

89

84

82

81

76

69

61

53

82

60

84

81

76

76

73

68

62

55

78

60

89

83

80

79

75

69

62

54

80

50

84

81

76

76

73

68

62

56

78

50

88

83

79

79

75

69

62

55

80

575

100

94

94

89

84

85

80

69

62

89

575

100

92

92

91

89

87

81

73

64

91

80

93

92

86

82

79

74

67

61

85

80

92

90

88

86

82

76

69

62

87

60

91

88

81

79

78

74

68

63

82

60

90

88

86

84

80

76

70

64

86

50

90

87

81

79

77

73

68

64

82

50

91

89

86

83

80

75

70

65

85

828

100

98

101

98

95

92

93

85

70

99

828

100

97

100 102 100

96

94

87

74

102

80

96

99

96

93

89

84

78

71

94

80

96

98

99

97

92

88

81

73

98

60

95

96

91

89

86

83

78

74

91

60

96

96

96

94

90

86

80

74

95

50

95

96

91

89

86

83

78

74

91

50

97

97

96

94

90

85

81

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

20

40

60

80

100

120

0

2

4

6

8

10

12

14

DO

N

OT

S

EL

EC

T

TO

T

H

E

LE

FT

O

F

TH

IS

S

YS

TE

M

C

U

R

VE

0

10

20

30

40

50

60

70

80

0

1

2

3

4

5

6

QEI-49I

RPM
BHP
% WOV
Density 0.075 lb/ft

3

Density 1.2 kg/m

3

334

453

570

676

60% WOV

70% WOV

80% WOV

90% WOV

791

3

15

25

50

828

40

Performance Data

Maximum Fan RPM

828

Specification Data

Maximum Motor
Frame Size

364T

Minimum Motor
Starting hp

10 hp

7.5 kW

Wheel Diameter

60 in.

1524 mm

Approximate Weight
(Less Motor & Drives)

2400 lbs.

1089 kg.

Maximum Bhp = (Fan RPM / 231)

3

Outlet Velocity (FPM) = CFM / 24.85
Tip Speed (FPM) = Fan RPM x 15.7
% WOV = (CFM x 100) / (Fan RPM x 88.4)
Imperial data —

Metric data

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