Qei-27 class ii, Performance data, Qei-27ii – Greenheck Fan Mixed Flow Fans Belt and Direct Drive QEI-L User Manual

Page 35: Specification data

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35

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

Shaded values show where Class I fan selections are more efficient than Class II.

QEI-27 Class II

CFM

OV

STATIC PRESSURE (inches wg)

0.5

1

2

3

4

5

6

7

8

RPM

BHP

RPM

BHP

RPM

BHP

RPM

BHP

RPM

BHP

RPM

BHP

RPM

BHP

RPM

BHP

RPM

BHP

8300

1100

727

1.21

807

1.89

967

3.57

1119

5.59

1265

7.80

9100

1206

782

1.45

854

2.16

1002

3.91

1147

5.98

1281

8.29

1410

10.8

9900

1312

839

1.73

906

2.49

1038

4.28

1175

6.41

1303

8.81

1427

11.4

1543

14.1

10700

1419

896

2.05

959

2.87

1082

4.71

1207

6.89

1331

9.34

1444

12.0

1560

14.8

1667

17.8

11500

1525

953

2.41

1012

3.28

1128

5.19

1243

7.42

1359

9.91

1472

12.7

1576

15.6

1684

18.6

1783

21.8

12300

1631

1011

2.82

1067

3.75

1174

5.71

1280

7.99

1392

10.6

1500

13.4

1602

16.4

1700

19.5

1800

22.7

13100

1737

1070

3.28

1123

4.26

1223

6.30

1325

8.65

1428

11.3

1529

14.1

1630

17.2

1723

20.4

1816

23.8

13900

1843

1130

3.78

1179

4.82

1275

6.97

1371

9.36

1464

12.0

1563

14.9

1658

18.0

1752

21.3

1839

24.8

14700

1949

1189

4.35

1236

5.44

1327

7.69

1417

10.1

1506

12.8

1599

15.8

1688

18.9

1780

22.3

15500

2055

1249

4.97

1293

6.12

1380

8.48

1464

11.0

1551

13.8

1635

16.7

1724

20.0

1809

23.3

16300

2161

1309

5.65

1351

6.86

1434

9.33

1515

11.9

1597

14.7

1676

17.8

1760

21.0

1843

24.5

17100

2267

1370

6.39

1409

7.67

1488

10.2

1566

12.9

1644

15.8

1721

18.9

1797

22.2

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

550

100

81

72

67

64

68

62

50

43

71

550

100

83

74

70

71

68

64

55

45

73

80

79

71

64

62

62

58

50

44

67

80

82

72

67

70

66

62

56

45

71

60

76

68

62

61

62

59

51

45

66

60

79

69

65

68

65

62

56

45

70

50

74

68

63

61

62

59

51

45

66

50

79

70

65

67

65

62

56

45

70

750

100

73

80

75

72

71

77

58

53

79

750

100

79

81

78

79

74

75

62

55

81

80

65

73

71

68

68

62

56

49

72

80

76

76

75

77

72

67

61

53

77

60

67

70

70

65

67

62

56

50

71

60

75

73

72

74

71

66

61

52

75

50

68

71

69

65

67

62

56

51

70

50

77

75

71

73

70

66

61

53

75

1100

100

78

90

84

83

81

83

78

65

88

1100

100

85

92

88

89

84

84

78

67

91

80

74

89

80

79

78

73

67

61

82

80

81

84

84

86

82

77

69

62

87

60

74

84

76

75

77

72

67

62

80

60

83

82

81

83

79

75

68

63

84

50

78

83

77

74

76

71

67

63

80

50

84

84

81

82

79

74

68

64

84

1500

100

83

86

95

91

89

86

89

75

95

1500

100

90

91

96

96

92

89

90

77

98

80

78

80

91

87

85

80

76

70

89

80

85

86

91

94

89

85

79

72

95

60

80

80

87

83

82

79

75

71

87

60

89

88

88

91

87

82

77

72

92

50

83

83

86

83

81

78

75

72

86

50

91

90

90

90

86

82

77

73

91

1847

100

85

90

97

97

96

92

94

84

101

1847

100

96

95

100 101

99

94

94

86

103

80

82

83

91

92

92

87

84

77

96

80

91

90

98

98

96

91

86

79

100

60

89

86

90

89

89

85

82

78

93

60

97

94

94

95

93

88

83

79

97

50

89

89

91

89

88

84

81

78

92

50

97

96

96

95

92

88

83

79

97

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

0

5

10

15

20

DO

NO

T S

EL

EC

T

TO

T

H

E

LE

FT

O

F

TH

IS

S

Y

S

TE

M

C

U

R

VE

0

2

4

6

8

10

12

14

16

18

20

22

24

0

1

2

3

4

5

6

7

8

9

10

QEI-27II

RPM
BHP
% WOV
Density 0.075 lb/ft

3

Density 1.2 kg/m

3

794

1077

1232

1356

1552

60% WOV

70% WOV

80% WOV

90% WOV

1847

5

2

10

15

20

25

30

1708

Performance Data

Maximum Fan RPM

1847

Specification Data

Maximum Motor
Frame Size

286T

Minimum Motor
Starting hp

1

1

2

hp

1.1 kW

Wheel Diameter

33 in.

838 mm

Approximate Weight
(Less Motor & Drives)

670 lbs.

304 kg.

Maximum Bhp = (Fan RPM / 630)

3

Outlet Velocity (FPM) = CFM / 7.54
Tip Speed (FPM) = Fan RPM x 8.64
% WOV = (CFM x 100) / (Fan RPM x 12.9)
Imperial data —

Metric data

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