Carrier 50EW, 50EJ, 50EY, 50EK installation instructions 16,000

Page 37

Table 13 Ð Fan Performance, 50EJ038,044 and 50EK044 Ð Vertical Discharge Units

For EW/EY UNITS, REDUCE NET AVAILABLE EXTERNAL STATIC PRESSURE BY 0.5 IN. WG

AVAILABLE EXTERNAL STATIC PRESSURE (in. wg)

AIRFLOW

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

0.2

 

0.4

 

 

 

 

 

0.6

 

 

0.8

1.0

 

 

 

1.2

 

 

1.4

 

 

1.6

(Cfm)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Rpm

 

Bhp

 

Rpm

 

Bhp

 

Rpm

 

Bhp

 

Rpm

 

 

 

Bhp

Rpm

 

Bhp

 

Rpm

 

Bhp

 

Rpm

Bhp

 

Rpm

 

Bhp

8,000

448

2.18

 

498

 

2.87

 

544

 

3.25

 

589

 

 

 

3.64

631

 

4.04

 

671

 

4.44

 

710

4.86

 

747

 

5.27

9,000

492

2.87

 

537

 

3.68

 

580

 

4.09

 

621

 

 

 

4.50

660

 

4.92

 

698

 

5.35

 

734

5.78

 

769

 

6.22

10,000

537

3.69

 

578

 

4.63

 

617

 

5.07

 

655

 

 

 

5.50

692

 

5.95

 

727

 

6.39

 

761

6.85

 

795

 

7.30

11,000

582

4.65

 

620

 

5.75

 

657

 

6.20

 

692

 

 

 

6.66

726

 

7.13

 

759

 

7.60

 

792

8.07

 

823

 

8.55

12,000

629

5.75

 

664

 

7.02

 

698

 

7.50

 

730

 

 

 

7.98

763

 

8.47

 

794

 

8.96

 

824

9.45

 

854

 

9.95

13,000

675

7.00

 

708

 

8.48

 

739

 

8.98

 

770

 

 

 

9.48

800

 

9.99

 

830

 

10.50

 

859

11.01

 

887

 

11.53

14,000

722

8.42

 

753

10.11

 

782

 

10.63

 

811

 

 

 

11.16

840

 

11.69

 

868

 

12.22

 

895

12.75

 

922

 

13.29

15,000

770

10.00

 

798

11.94

 

826

 

12.48

 

853

 

 

 

13.03

880

 

13.57

 

907

 

14.13

 

932

14.68

 

958

 

15.24

16,000

817

11.76

 

844

13.96

 

870

 

14.53

 

896

 

 

 

15.09

922

 

15.66

 

947

 

16.23

 

971

16.81

 

995

 

17.38

17,000

865

13.70

 

890

16.19

 

915

 

16.78

 

940

 

 

 

17.37

964

 

17.95

 

988

 

18.54

 

1011

19.14

 

1034

 

19.73

18,000

913

15.83

 

937

18.64

 

961

 

19.25

 

984

 

 

 

19.85

1007

 

20.46

 

1030

 

21.07

 

1052

21.68

 

1074

 

22.30

19,000

961

18.16

 

984

21.32

 

1006

 

21.94

 

1029

 

 

 

22.56

1050

 

23.19

 

1072

 

23.82

 

1093

24.45

 

1115

 

25.08

20,000

1009

20.69

 

1031

24.22

 

1052

 

24.86

 

1074

 

 

 

25.50

1095

 

26.15

 

1115

 

26.80

 

1136

27.45

 

1156

 

28.10

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

AIRFLOW

 

 

 

 

 

 

 

 

 

 

AVAILABLE EXTERNAL STATIC PRESSURE (in. wg)

 

 

 

 

 

 

 

1.8

 

2.0

 

 

 

 

 

2.2

 

 

2.4

2.6

 

 

 

2.8

 

 

3.0

 

 

3.2

(Cfm)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Rpm

 

Bhp

 

Rpm

 

Bhp

 

Rpm

 

Bhp

 

Rpm

 

 

 

Bhp

Rpm

 

Bhp

 

Rpm

 

Bhp

 

Rpm

Bhp

 

Rpm

 

Bhp

8,000

783

5.70

 

818

 

6.13

 

852

 

6.56

 

884

 

 

 

7.00

916

 

7.45

 

947

 

7.90

 

978

8.36

 

1007

 

8.82

9,000

803

6.66

 

836

 

7.11

 

869

 

7.56

 

900

 

 

 

8.02

930

 

8.48

 

960

 

8.95

 

989

9.42

 

1018

 

9.90

10,000

827

7.77

 

858

 

8.23

 

889

 

8.70

 

919

 

 

 

9.18

948

 

9.66

 

977

 

10.15

 

1005

10.64

 

1032

 

11.13

11,000

854

9.03

 

884

 

9.51

 

913

 

10.00

 

941

 

 

 

10.50

969

 

11.00

 

997

 

11.50

 

1024

12.01

 

1050

 

12.52

12,000

883

10.45

 

911

10.96

 

939

 

11.47

 

967

 

 

 

11.98

993

 

12.50

 

1020

 

13.02

 

1046

13.54

 

1071

 

14.07

13,000

914

12.05

 

942

12.57

 

968

 

13.10

 

994

 

 

 

13.63

1020

 

14.17

 

1045

 

14.71

 

1070

15.25

 

1094

 

15.79

14,000

948

13.83

 

974

14.37

 

999

 

14.92

 

1024

 

 

 

15.47

1049

 

16.02

 

1073

 

16.58

 

1096

17.14

 

1120

 

17.70

15,000

983

15.80

 

1007

16.36

 

1032

 

16.92

 

1056

 

 

 

17.49

1079

 

18.06

 

1102

 

18.64

 

1125

19.21

 

1148

 

19.79

16,000

1019

17.96

 

1043

18.54

 

1066

 

19.13

 

1089

 

 

 

19.71

1111

 

20.30

 

1134

 

20.89

 

1156

21.49

 

1177

 

22.08

17,000

1057

20.33

 

1079

20.93

 

1102

 

21.53

 

1124

 

 

 

22.14

1145

 

22.75

 

1167

 

23.35

 

1188

23.97

 

Ð

 

Ð

18,000

1096

22.91

 

1117

23.53

 

1138

 

24.15

 

1160

 

 

 

24.78

1180

 

25.40

 

Ð

 

Ð

 

 

Ð

Ð

Ð

Ð

 

19,000

1135

25.72

 

1156

26.36

 

1176

 

26.99

 

1197

 

 

 

27.63

Ð

 

Ð

 

 

Ð

 

Ð

 

Ð

Ð

Ð

 

Ð

 

 

20,000

1176

28.75

 

1196

29.41

 

Ð

 

 

Ð

 

Ð

 

Ð

Ð

Ð

 

Ð

 

Ð

 

Ð

 

Ð

Ð

 

Ð

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

AIRFLOW

AVAILABLE EXTERNAL STATIC PRESSURE (in. wg)

 

 

LEGEND

 

 

 

 

 

 

 

 

 

 

 

 

3.4

 

 

 

 

3.6

 

 

 

3.8

 

 

 

 

Bhp Ð

 

Brake Horsepower

 

 

 

 

 

 

 

(Cfm)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Rpm

 

Bhp

 

Rpm

 

Bhp

 

Rpm

 

Bhp

 

 

 

NOTES:

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

8,000

1036

 

9.29

 

1065

 

 

9.76

 

1092

 

10.24

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1.

Fan performance is based on wet coils, economizer, roof curb,

9,000

1046

 

10.38

 

1073

 

10.87

 

1100

 

11.36

 

 

 

 

cabinet losses, and clean 2-in. ®lters.

 

 

 

 

 

10,000

1059

 

11.63

 

1086

 

12.13

 

1112

 

12.64

 

 

 

2.

Conversion − Bhp to watts:

 

 

 

 

 

 

 

11,000

1076

 

13.03

 

1102

 

13.55

 

1127

 

14.07

 

 

 

 

 

 

 

Bhp x 746

 

 

 

 

 

 

 

12,000

1096

 

14.60

 

1121

 

15.13

 

1145

 

15.67

 

 

 

 

Watts =

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

13,000

1118

 

16.34

 

1142

 

16.89

 

1165

 

17.45

 

 

 

 

Motor efficiency

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

14,000

1143

 

18.26

 

1166

 

18.83

 

1188

 

19.40

 

 

 

3. VAV units will operate down to 70 cfm/ton.

 

 

 

 

15,000

1170

 

20.37

 

1192

 

20.96

 

Ð

 

Ð

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

16,000

1199

 

22.68

 

Ð

 

 

Ð

 

 

Ð

Ð

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

17,000

Ð

 

Ð

 

 

Ð

 

 

Ð

Ð

Ð

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

18,000

Ð

 

Ð

 

 

Ð

 

 

Ð

Ð

Ð

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

19,000

Ð

 

Ð

 

 

Ð

 

 

Ð

Ð

Ð

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

20,000

Ð

 

Ð

 

 

Ð

 

 

Ð

Ð

Ð

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

37

Image 37
Contents Installation, Start-Up Service Instructions Roof Curb Sizes Unit Leveling Tolerances DimensionsRoof Curb Sizes Unit Size Operating Corner Weight 50EJ/EK Base Unit Dimensions, 50EJ/EK024-034Unit Size Operating Corner Weight Base Unit Dimensions, 50EJ038-048 and 50EK044Unit Size Operating Corner Weight 50EW/EY Base Unit Dimensions, 50EW/EY024-034Weight Base Unit Dimensions, 50EW038-048 and 50EY044Rigging Label Model Weight 50EJ/EK/EW/EYUnit 50EJ,EK,EW,EY Physical Data4282 4508 4795 Evaporator Fan Motor Data Make Unit Duct ConnectionsSAT Field Control Remote Start/Stop COM CCNSIO Make Electrical Connections Field Power Wiring ConnectionsPage FLA LRA MCA MOCP² Electrical Data Ð 50EJ,EK,EW,EY024-04824.2 187 254 57.1 266 39.1 228 46.2 225/200 82.4 100 12.6 23.6 95.0 110 43.3 86.6 104.1 187 254 69.2 345 59.4 187 254 82.1 446 69.2 345 74.8 Control Box Diagram Sizes CCN Connection Approved Shielded Cables Make Outdoor-Air Inlet AdjustmentsColor Code Recommendations Adding Seal Strip to Top of Hood Sides Adding Seal Strip to Hood Top Mounting Flange Attaching Seal Strip To Filter Cover Barometric Relief Damper and Power Exhaust Mounting Details Pressure Transducer Locations Ð Motormaster III Sensor Location Pressure Voltage VFD VFD Set PointSET Point Potentiometer Signal Levels Direct Digital Controls DIP Switch ConguraPower Exhaust Default Set Points Setting Setting OpenClosed POSSequence of Operation Airflow Fan Performance, 50EJ/EK024-034 Ð Vertical Discharge Units16,000 Air Quantity Limits Fan Performance, 50EJ048 Ð Vertical Discharge UnitsCFM CV User Dened Set Points Motor LimitationsPage Heat Interlock Relay Wiring Stages Economizer Cooling Capacity Staging Table CV Units with 2 CompressorsStages Lubrication Evaporator Fan Service and ReplacementManufacturer Lubricant Condenser-Fan Adjustment Belt Tension Adjustment Ð To adjust belt tensionEvaporator-Fan Motor Replacement Cooling Charging Chart Sizes Troubleshooting Typical Refrigerant Circuiting 50EJ,EK,EW,EY038,044 Typical Refrigerant Circuiting 50EJ,EW048 LED Error Description Troubleshooting Blinks Code Comments Control Board LED AlarmsDIP Base Module Ð CV I/O Channel DesignationsBase Module Ð VAV IAQ I/O Channel Designations Expansion Module Ð CV and VAVPage Page Packaged Service Training START-UP Checklist General START-UP Checklist