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Table 19 — Fan Performance 551B120 — Vertical Discharge Units; Standard Motor (Belt Drive*

LEGEND

*Motor drive range: 860 to 1080 rpm. All other rpms require field-

supplied drive.

NOTES:

1.

Boldface

 indicates field-supplied drive is required.

2. Maximum continuous bhp is 3.70.
3. See page 23 for general fan performance notes.

AIRFLOW

CFM

EXTERNAL STATIC PRESSURE (in. wg)

0.2

0.4

0.6

0.8

1.0

Rpm

Bhp

Watts

Rpm

Bhp

Watts

Rpm

Bhp

Watts

Rpm

Bhp

Watts

Rpm

Bhp

Watts

3000

556

0.65

604

623

0.80

748

684

0.95

891

738

1.11

1034

789

1.26

1177

3100

569

0.70

656

636

0.86

805

695

1.02

953

749

1.18

1100

799

1.34

1249

3200

583

0.76

712

648

0.93

865

707

1.09

1018

760

1.26

1170

809

1.42

1323

3300

597

0.83

770

661

1.00

929

718

1.17

1086

771

1.33

1244

820

1.50

1401

3400

611

0.89

832

674

1.07

996

730

1.24

1158

782

1.42

1320

831

1.59

1483

3500

625

0.96

898

687

1.14

1066

742

1.32

1233

794

1.50

1400

841

1.68

1567

3600

639

1.04

967

700

1.22

1140

754

1.41

1312

805

1.59

1484

852

1.78

1656

3700

654

1.11

1040

713

1.31

1218

767

1.50

1395

817

1.69

1571

863

1.87

1748

3800

668

1.20

1116

726

1.39

1299

779

1.59

1481

828

1.78

1662

874

1.98

1844

3900

683

1.28

1197

739

1.48

1385

792

1.69

1572

840

1.88

1758

886

2.08

1943

4000

697

1.37

1281

753

1.58

1474

804

1.79

1666

852

1.99

1857

897

2.20

2048

4100

712

1.47

1370

766

1.68

1567

817

1.89

1764

864

2.10

1960

909

2.31

2155

4200

726

1.57

1462

780

1.79

1665

830

2.00

1866

876

2.22

2067

920

2.43

2268

4300

741

1.67

1559

794

1.89

1767

843

2.12

1973

889

2.34

2179

932

2.56

2384

4400

755

1.78

1660

807

2.01

1873

856

2.23

2084

901

2.46

2295

944

2.69

2505

4500

770

1.89

1766

821

2.13

1984

869

2.36

2200

914

2.59

2415

956

2.82

2630

4600

785

2.01

1876

835

2.25

2099

882

2.49

2320

926

2.72

2541

968

2.96

2760

4700

800

2.14

1991

849

2.38

2219

895

2.62

2445

939

2.86

2670

980

3.10

2895

4800

815

2.26

2111

863

2.51

2344

909

2.76

2575

952

3.01

2805

993

3.25

3034

4900

829

2.40

2235

877

2.65

2473

922

2.91

2709

965

3.16

2944

1005

3.41

3178

5000

844

2.54

2365

891

2.80

2608

936

3.06

2849

978

3.31

3089

1018

3.57

3328

AIRFLOW

CFM

EXTERNAL STATIC PRESSURE (in. wg)

1.2

1.4

1.6

1.8

2.0

Rpm

Bhp

Watts

Rpm

Bhp

Watts

Rpm

Bhp

Watts

Rpm

Bhp

Watts

Rpm

Bhp

Watts

3000

836

1.42

1322

881

1.57

1467

923

1.73

1613

963

1.89

1761

1001

2.05

1909

3100

846

1.50

1398

890

1.66

1547

932

1.82

1698

972

1.98

1849

1010

2.15

2002

3200

856

1.58

1477

899

1.75

1631

941

1.92

1786

980

2.08

1942

1018

2.25

2099

3300

866

1.67

1559

909

1.84

1718

950

2.01

1878

989

2.19

2038

1027

2.36

2199

3400

876

1.76

1645

919

1.94

1808

960

2.12

1972

998

2.29

2137

1036

2.47

2303

3500

886

1.86

1734

929

2.04

1902

969

2.22

2071

1008

2.40

2240

1045

2.58

2410

3600

897

1.96

1827

939

2.14

2000

979

2.33

2173

1017

2.52

2347

1054

2.70

2521

3700

907

2.06

1924

949

2.25

2101

989

2.44

2279

1027

2.63

2457

1063

2.83

2636

3800

918

2.17

2025

959

2.37

2207

999

2.56

2389

1036

2.76

2571

1073

2.95

2755

3900

929

2.28

2130

970

2.48

2316

1009

2.68

2502

1046

2.88

2690

1082

3.09

2877

4000

940

2.40

2238

980

2.61

2429

1019

2.81

2620

1056

3.02

2812

1092

3.22

3004

4100

951

2.52

2351

991

2.73

2547

1029

2.94

2743

1066

3.15

2939

1102

3.36

3136

4200

962

2.65

2468

1002

2.86

2668

1040

3.08

2869

1076

3.29

3070

1112

3.51

3271

4300

973

2.78

2589

1013

3.00

2794

1050

3.22

2999

1087

3.44

3205

1122

3.66

3411

4400

985

2.91

2715

1024

3.14

2924

1061

3.36

3134

1097

3.59

3345

4500

996

3.05

2845

1035

3.28

3059

1072

3.51

3274

4600

1008

3.20

2979

1046

3.43

3199

1083

3.67

3418

4700

1020

3.34

3119

1058

3.58

3343

4800

1032

3.50

3263

4900

1044

3.66

3413

5000

Bhp

Brake Horsepower Input to Fan

Watts —

Input Watts to Motor

Содержание DURAPAC PLUS 551B

Страница 1: ...gasket supplied with the roof curb as shown in Fig 2 Improperly applied gasket can also result in air leaks and poor unit performance Curb should be level This is necessary for unit drain to func tion...

Страница 2: ...G AND PLACE UNIT Inspect unit for transportation damage File any claim with transportation agency Keep unit upright and do not drop Spreader bars are not required if top crating is left on unit Roller...

Страница 3: ...RBTMPWR001A01 and 2A01 are for thru the curb gas type Packages CRBTMPWR003A01 and 4A01 are for thru the bottom type gas connections ROOF CURB ACCESSORY A UNIT SIZE CRRFCURB003A01 1 2 356 551B090 150 C...

Страница 4: ...rating weights with the Perfect Humidity dehumidification system CAUTION All panels must be in place when rigging Fig 6 Rigging Details 551B OPERATING WEIGHT A B C lb kg in mm in mm in mm 090 755 343...

Страница 5: ...5 Fig 7 Base Unit Dimensions...

Страница 6: ...5 Nominal Cfm Standard 3000 3400 4000 5000 Maximum Continuous Bhp Standard 2 90 2 90 3 70 5 25 High Static 4 20 4 20 5 25 Motor Frame 56 56 56 56 Fan Rpm Range Standard 840 1085 840 1085 860 1080 830...

Страница 7: ...must be within range indicated on unit nameplate see Table 2 On 3 phase units voltages between phases must be balanced within 2 and the current within 10 Use the formula shown in Table 2 Note 2 on pag...

Страница 8: ...80 66 136 575 3 60 STD NO 518 632 4 8 34 0 4 8 34 0 2 0 7 3 4 14 6 20 15 94 17 0 16 4 23 8 20 22 95 34 0 32 7 44 3 45 41 95 STD YES 518 632 4 8 34 0 4 8 34 0 2 0 7 3 4 16 8 20 17 96 17 0 16 4 26 5 20...

Страница 9: ...68 7 70 63 171 50 0 60 1 66 1 80 75 171 STD YES 414 508 8 3 62 5 8 3 62 5 2 0 7 4 8 27 6 20 29 172 13 9 16 7 30 3 35 29 173 16 5 19 8 33 5 35 31 173 33 0 39 7 58 3 60 54 173 41 7 50 2 71 4 80 66 173 5...

Страница 10: ...n voltage of 215 v kW new 16 kW 215 240 2 kW new 12 8 kW rating at 215 v FLA Full Load Amps HACR Heating Air Conditioning and Refrigeration IFM Indoor Evaporator Fan Motor LRA Locked Rotor Amps MCA Mi...

Страница 11: ...lling holes in basepan C Heat Anticipator Settings For units with electric heat set heat anticipator settings as shown in Table 4 VI STEP 6 ADJUST FACTORY INSTALLED OPTIONS A Disconnect Switch The opt...

Страница 12: ...ions included with the Bryant Light Commercial Thermi distat device for more information Fig 12 Light Commercial Thermidistat Device Fig 13 Typical Perfect Humidity Dehumidification System Humidistat...

Страница 13: ...gn screw holes on hood with screw holes on side of manual outdoor air damper See Fig 16 and 17 Secure hood with 8 screws from Step 6 8 Adjust minimum position setting of the damper blade by adjusting...

Страница 14: ...ivider Push the filter into position past the open filter clips Close the filter clips to lock the filter into place See Fig 24 8 Caulk the ends of the joint between the unit top panel and the hood to...

Страница 15: ...oor Air Temperature POT Potentiometer RAT Return Air Temperature Potentiometer Defaults Settings Power Exhaust Middle Minimum Pos Fully Closed DCV Max Middle DCV Set Middle Enthalpy C Setting NOTES 1...

Страница 16: ...2 is an accessory aspirator box required for duct mounted applications CRCBDIOX005A00 is an accessory that contains both 33ZCSENCO2 and 33ZCASPCO2 accessories TEMPERATURE F RESISTANCE ohms 58 200 250...

Страница 17: ...ing location See Fig 19 When the outdoor air enthalpy rises above the outdoor enthalpy changeover set point the outdoor air damper moves to its minimum position The outdoor enthalpy changeover set poi...

Страница 18: ...1 2 1 4 1 6 1 8 2 0 2 2 2 4 2 6 2 8 3 0 3 2 3 4 3 6 3 8 4 0 4 2 4 4 4 6 9 0 1 0 0 8 0 7 0 6 0 5 0 4 0 3 0 20 10 E N T H A L P Y B T U P E R P O U N D D R Y A I R 85 29 90 32 95 35 100 38 105 41 110 4...

Страница 19: ...er position remotely remove the factory installed jumper on the P and P1 terminals on the EconoMi er IV controller Wire the field supplied poten tiometer to the P and P1 terminals on the EconoMi er IV...

Страница 20: ...ection 5 Press Mode to exit and resume normal operation The custom settings of the CO2 sensor can be changed any time after the sensor is energized Follow the steps below to change the non standard se...

Страница 21: ...rest keyway of pulley hub and tighten setscrew See Table 1 for speed change for each full turn of pulley flange To align fan and motor pulleys 1 Loosen fan pulley setscrews 2 Slide fan pulley along fa...

Страница 22: ...EN 0 1 2 1 11 2 2 21 2 3 31 2 4 41 2 5 51 2 6 090 102 1085 1060 1035 1010 985 960 935 910 890 865 840 120 1080 1060 1035 1015 990 970 950 925 905 880 860 150 1130 1112 1087 1062 1037 1212 987 962 937...

Страница 23: ...he motor can be utilized with confidence Using fan motors up to the ratings shown will not result in nuisance trip ping or premature motor failure Unit warranty will not be affected For additional inf...

Страница 24: ...15 2004 3100 646 1 15 1071 711 1 41 1313 770 1 68 1568 824 1 97 1835 875 2 27 2114 3200 663 1 25 1162 726 1 51 1411 784 1 79 1672 837 2 09 1944 888 2 39 2229 3300 679 1 35 1259 741 1 62 1514 798 1 91...

Страница 25: ...1 86 1737 827 2 16 2017 878 2 48 2308 926 2 80 2610 3600 729 1 70 1583 787 1 99 1857 841 2 30 2144 892 2 62 2441 939 2 95 2749 3700 746 1 83 1703 803 2 13 1985 856 2 44 2277 906 2 77 2580 953 3 10 28...

Страница 26: ...000 697 1 37 1281 753 1 58 1474 804 1 79 1666 852 1 99 1857 897 2 20 2048 4100 712 1 47 1370 766 1 68 1567 817 1 89 1764 864 2 10 1960 909 2 31 2155 4200 726 1 57 1462 780 1 79 1665 830 2 00 1866 876...

Страница 27: ...67 817 1 89 1764 864 2 10 1960 909 2 31 2155 4200 726 1 57 1462 780 1 79 1665 830 2 00 1866 876 2 22 2067 920 2 43 2268 4300 741 1 67 1559 794 1 89 1767 843 2 12 1973 889 2 34 2179 932 2 56 2384 AIRFL...

Страница 28: ...99 882 2 49 2320 926 2 72 2541 968 2 96 2760 4700 800 2 14 1991 849 2 38 2219 895 2 62 2445 939 2 86 2670 980 3 10 2895 4800 815 2 26 2111 863 2 51 2344 909 2 76 2575 952 3 01 2805 993 3 25 3034 4900...

Страница 29: ...2 76 2575 952 3 01 2805 993 3 25 3034 4900 829 2 40 2235 877 2 65 2473 922 2 91 2709 965 3 16 2944 1005 3 41 3178 5000 844 2 54 2365 891 2 80 2608 936 3 06 2849 978 3 31 3089 1018 3 57 3328 AIRFLOW C...

Страница 30: ...53 977 3 78 3525 1018 4 07 3796 1057 4 36 4066 1094 4 65 4335 5700 950 3 67 3421 992 3 97 3698 1032 4 26 3974 1070 4 56 4249 1107 4 85 4522 5800 965 3 85 3594 1006 4 16 3876 1046 4 46 4157 1084 4 76 4...

Страница 31: ...8 660 1 23 1151 727 1 53 1422 787 1 82 1702 841 2 13 1991 3300 596 1 03 957 672 1 32 1228 738 1 61 1506 797 1 92 1792 851 2 24 2088 3400 609 1 10 1030 684 1 40 1308 749 1 71 1593 808 2 02 1887 861 2 3...

Страница 32: ...2 2 46 2294 3600 635 1 27 1187 708 1 59 1481 771 1 91 1781 829 2 24 2088 882 2 58 2403 3700 649 1 36 1272 720 1 69 1573 783 2 02 1881 840 2 35 2195 892 2 70 2517 3750 655 1 41 1316 726 1 74 1621 789 2...

Страница 33: ...09 1 42 1322 761 1 61 1506 812 1 82 1695 860 2 03 1890 4100 668 1 31 1223 722 1 51 1405 773 1 71 1593 822 1 92 1786 870 2 13 1984 4200 682 1 40 1305 734 1 60 1492 784 1 80 1683 833 2 02 1880 880 2 23...

Страница 34: ...773 1 71 1593 822 1 92 1786 870 2 13 1984 4200 682 1 40 1305 734 1 60 1492 784 1 80 1683 833 2 02 1880 880 2 23 2082 4300 696 1 49 1392 747 1 70 1582 796 1 91 1777 844 2 12 1979 890 2 34 2184 AIRFLOW...

Страница 35: ...751 1 91 1778 798 2 13 1984 844 2 35 2195 889 2 59 2412 932 2 82 2633 4800 765 2 02 1885 812 2 25 2095 856 2 48 2310 900 2 71 2531 942 2 95 2756 4900 779 2 14 1996 825 2 37 2210 869 2 61 2430 912 2 8...

Страница 36: ...856 2 48 2310 900 2 71 2531 942 2 95 2756 4900 779 2 14 1996 825 2 37 2210 869 2 61 2430 912 2 85 2654 953 3 09 2883 5000 793 2 26 2112 838 2 50 2330 881 2 74 2554 923 2 98 2782 965 3 23 3014 AIRFLOW...

Страница 37: ...3 99 3716 1021 4 26 3976 1057 4 55 4240 5900 921 3 61 3370 959 3 89 3626 997 4 17 3885 1033 4 45 4149 1069 4 74 4416 6000 935 3 79 3536 973 4 07 3795 1010 4 35 4059 1046 4 64 4326 1082 4 93 4598 6100...

Страница 38: ...s with o rings located inside the caps These valves can not be accessed for service in the field Ensure the plastic caps are in place and tight or the possibil ity of refrigerant leakage could occur V...

Страница 39: ...er IV When free cooling is not available the compressors will be controlled by the zone thermostat When free cooling is avail able the outdoor air damper is modulated by the EconoMi er IV control to p...

Страница 40: ...coil When in subcooling mode there is a slight decrease in sys tem total gross capacity 5 less a lower gross sensible capacity 20 less and a greatly increased latent capacity up to 40 more Hot Gas Reh...

Страница 41: ...pletion 6 Reinstall economizer or two position damper and filters 7 Reconnect wiring 8 Replace access panels B Condenser Coils Inspect coils monthly Clean condenser coils annually and as required by l...

Страница 42: ...he suction line Mount the temperature sensing device on the suction line and insulate it so that outdoor ambient temperature does not affect the reading Indoor air cfm must be within the normal operat...

Страница 43: ...43 Fig 47 Cooling Charging Charts Standard 551B090 Unit Fig 48 Cooling Charging Charts Standard 551B102 Unit...

Страница 44: ...44 Fig 49 Cooling Charging Charts Standard 551B120 Unit Fig 50 Cooling Charging Charts Standard 551B150 Unit...

Страница 45: ...ification coil liquid line solenoid valve MUST be energized to use the charging charts and the outdoor motor speed controller jumpered to run the fan at full speed Fig 52 Cooling Charging Chart 581B10...

Страница 46: ...Replace Restriction in refrigerant system Locate restriction and remove Compressor s Operates Continuously Dirty air filter Replace filter Unit undersized for load Decrease load or increase unit size...

Страница 47: ...ification Coil Energized Thermostatic expansion valve TXV 1 Check TXV bulb mounting and secure tightly to suction line 2 Replace TXV if stuck open or closed PROBLEM CAUSE REMEDY Reheat Mode Will Not E...

Страница 48: ...tings and wiring to normal after completing troubleshooting D DCV Demand Controlled Ventilation and Power Exhaust To check DCV and Power Exhaust 1 Make sure EconoMi er IV preparation procedure has bee...

Страница 49: ...py to the ABCD set point Power at N terminal determines Occupied Unoccupied setting 24 vac Occupied no power Unoccupied Modulation is based on the supply air sensor signal Modulation is based on the D...

Страница 50: ...Heat anticipator settings 11 High flow valves 38 High pressure switch 6 Horizontal units 1 2 Humidistat 12 Indoor air quality sensor 18 Low pressure switch 6 Manual outdoor air damper 13 Mounting Unit...

Страница 51: ......

Страница 52: ...N AND IN PLACE VERIFY THAT UNIT INSTALLATION IS LEVEL CHECK FAN WHEEL AND PROPELLER FOR LOCATION IN HOUSING AND ORIFICE AND CHECK THAT SETSCREW IS TIGHT CHECK PULLEY ALIGNMENT AND BELT TENSION PER INS...

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