Carrier 19XL specifications Ð Thermistor Temperature C vs Resistance/Voltage Drop

Page 77

Table 10B Ð Thermistor Temperature (C) vs Resistance/Voltage Drop

TEMPERATURE

VOLTAGE

RESISTANCE

 

TEMPERATURE

VOLTAGE

RESISTANCE

 

TEMPERATURE

VOLTAGE

RESISTANCE

(C)

DROP (V)

(Ohms)

 

(C)

DROP (V)

(Ohms)

 

(C)

DROP (V)

(Ohms)

−40

4.896

168 230

 

18

3.285

6 840

 

76

0.813

693

−39

4.889

157 440

19

3.234

6 536

77

0.789

669

−38

4.882

147 410

20

3.181

6 246

78

0.765

645

−37

4.874

138 090

21

3.129

5 971

79

0.743

623

−36

4.866

129 410

22

3.076

5 710

80

0.722

602

−35

4.857

121 330

23

3.023

5 461

81

0.702

583

−34

4.848

113 810

24

2.970

5 225

82

0.683

564

−33

4.838

106 880

25

2.917

5 000

83

0.665

547

−32

4.828

100 260

26

2.864

4 786

84

0.648

531

−31

4.817

94 165

27

2.810

4 583

85

0.632

516

−30

4.806

88 480

28

2.757

4 389

86

0.617

502

−29

4.794

83 170

29

2.704

4 204

87

0.603

489

−28

4.782

78 125

30

2.651

4 028

88

0.590

477

−27

4.769

73 580

31

2.598

3 861

89

0.577

466

−26

4.755

69 250

32

2.545

3 701

90

0.566

456

−25

4.740

65 205

33

2.493

3 549

91

0.555

446

−24

4.725

61 420

34

2.441

3 404

92

0.545

436

−23

4.710

57 875

35

2.389

3 266

93

0.535

427

−22

4.693

54 555

36

2.337

3 134

94

0.525

419

−21

4.676

51 450

37

2.286

3 008

95

0.515

410

−20

4.657

48 536

38

2.236

2 888

96

0.506

402

−19

4.639

45 807

39

2.186

2 773

97

0.496

393

−18

4.619

43 247

40

2.137

2 663

98

0.486

385

−17

4.598

40 845

41

2.087

2 559

99

0.476

376

−16

4.577

38 592

42

2.039

2 459

100

0.466

367

−15

4.554

38 476

43

1.991

2 363

101

0.454

357

−14

4.531

34 489

44

1.944

2 272

102

0.442

346

−13

4.507

32 621

45

1.898

2 184

103

0.429

335

−12

4.482

30 866

46

1.852

2 101

104

0.416

324

−11

4.456

29 216

47

1.807

2 021

105

0.401

312

−10

4.428

27 633

48

1.763

1 944

106

0.386

299

−9

4.400

26 202

49

1.719

1 871

107

0.370

285

−8

4.371

24 827

50

1.677

1 801

 

 

 

 

 

 

 

 

−7

4.341

23 532

51

1.635

1 734

 

 

 

 

−6

4.310

22 313

52

1.594

1 670

 

 

 

 

−5

4.278

21 163

53

1.553

1 609

 

 

 

 

−4

4.245

20 079

54

1.513

1 550

 

 

 

 

−3

4.211

19 058

55

1.474

1 493

 

 

 

 

−2

4.176

18 094

56

1,436

1 439

 

 

 

 

−1

4.140

17 184

57

1.399

1 387

 

 

 

 

0

4.103

16 325

58

1.363

1 337

 

 

 

 

1

4.065

15 515

59

1.327

1 290

 

 

 

 

2

4.026

14 749

60

1.291

1 244

 

 

 

 

3

3.986

14 026

61

1.258

1 200

 

 

 

 

4

3.945

13 342

62

1.225

1 158

 

 

 

 

5

3.903

12 696

63

1.192

1 118

 

 

 

 

6

3.860

12 085

64

1.160

1 079

 

 

 

 

7

3.816

11 506

65

1.129

1 041

 

 

 

 

8

3.771

10 959

66

1.099

1 006

 

 

 

 

9

3.726

10 441

67

1.069

971

 

 

 

 

10

3.680

9 949

68

1.040

938

 

 

 

 

11

3.633

9 485

69

1.012

906

 

 

 

 

12

3.585

9 044

70

0.984

876

 

 

 

 

13

3.537

8 627

71

0.949

836

 

 

 

 

14

3.487

8 231

72

0.920

805

 

 

 

 

15

3.438

7 855

73

0.892

775

 

 

 

 

16

3.387

7 499

74

0.865

747

 

 

 

 

17

3.337

7 161

 

75

0.838

719

 

 

 

 

77

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Page 76 Page 78
Contents Safety Considerations Start-Up, Operation, and Maintenance InstructionsContents Contents Abbreviations and Explanations IntroductionMOTOR/OIL Refrigeration Cooling Cycle Chiller FamiliarizationRefrigeration Cycle 19XL Rear View Cooler In/Out Temperature Sensors Take-Apart Rabbet Fit ConnectorCondenser In/Out Temperature Sensors Cooler Pressure Schrader FittingRefrigerant Motor Cooling and Oil Cooling Cycles Lubrication CycleLubrication System Unit-Mounted Solid-State Starter Optional Starting EquipmentControls DenitionsMajor PIC Components Panel Locations PIC Component PanelPressure Transducer, Typical 19XL Controls and Sensor LocationsControl and OIL Heater Voltage Selector S1 Power Panel with OptionsSelect LID Operation and Menus FigGeneral Override Operations − Example of Point Status Screen Status01Example of Time Schedule Operation Screen 19XL Menu Structure 19XL Service Menu Structure 19XL Service Menu Structure Example of Set Point Screen SetpointLID Screens Description Range Units Reference Point Name Alarm HistoryExample 1 Ð STATUS01 Display Screen Menu Status SelectExample 3 Ð STATUS03 Display Screen Example 2 Ð STATUS02 Display ScreenExample 4 Ð Setpoint Display Screen MenuExample 6 Ð LEAD/LAG Configuration Display Screen Example 5 Ð Configuration Config Display ScreenECW Control Option ICE Build TerminationExample 7 Ð SERVICE1 Display Screen Spare Alert Enable Example 8 Ð SERVICE2 Display ScreenExample 9 Ð SERVICE3 Display Screen Menu ServiceExample 11 Ð Maintenance MAINT02 Display Screen Example 10 Ð Maintenance MAINT01 Display ScreenDischarge Temperature Bearing TemperatureDescription RANGE/STATUS Units Reference Point Name Example 12 Ð Maintenance MAINT03 Display ScreenExample 13 Ð Maintenance MAINT04 Display Screen PIC System Functions Page Protective Safety Limits and Control Settings Capacity Overrides Page Page ECW Lead/Lag ControlHgbp Hot Gas BypassPage Cent Capacity Ice Build ControlPage To LOG on Example of Attach to Network Device ScreenSequence Fig START-UP/SHUTDOWN/RECYCLERecycle Restart Delta T Before Initial START-UP Using the Optional Storage Tank and PumpoutJob Data Required Equipment Required19XL Leak Test Procedures Page Ð HCFC-22 Pressure Ð Temperature C Ð HCFC-22 Pressure Ð Temperature FTemperature Pressure Ð HFC-134a Pressure Ð Temperature FÐ HFC-134a Pressure Ð Temperature C Page Check Optional Pumpout Compressor Water Pip Inspect WiringMECHANICAL-TYPE Starters Check StarterBENSHAW, INC. SOLID-STATE Starter Benshaw, Inc. Solid-State Starter Power StackSet Up Chiller Control Conguration Power Up the Controls and Check the Oil HeaterLoad Surge Prevention Occurs TOO Soon Occurs TOO Late Volt Motor Code Amps Correction Factors For 19XL Motors19XL Chiller Equalization Without PUMP- OUT Unit Charge Refrigerant into ChillerControl Test Menu Functions Tests to be Devices Tested Performed19XL Total Refrigerant Charge Refrigerant ChargesCooler SizeCheck Rotation Initial START-UPDry Run to Test Start-Up Sequence Calibrate Motor Current Check Oil Pressure and Compressor StopOperating Instructions Operator DutiesTo Stop the Chiller Plant Operating the Optional Pumpout Compressor Pumpout and Refrigerant Transfer ProceduresTransfer Refrigerant from Storage Tank to Chiller TstatTransfer the Refrigerant from Chiller to Storage Tank Chillers with Isolation ValvesReturn Refrigerant to Normal Operating Conditions General MaintenanceTest After Service, Repair, or Major Leak Ð If Guide Vane Actuator Linkage Weekly MaintenanceTo Change the OIL Scheduled MaintenanceCheck Safety and Operating Controls Monthly Inspect the Heat Exchanger Tubes Compressor Bearing and Gear MaintenOptional Pumpout System Controls Troubleshooting Guide MAINT02 MAINT01MAINT03 MAINT04Timing OUT or Timed OUT Shutdown with ON/OFF/RESET-OFFAutorestart in Progress Recycle ShutdownNormal or AUTO.-RESTART LOW Chilled Water Compressor Jumpstart and Refrigerant Protection Normal RUN with RESET, TEMPERATURE, or DemandLimited Normal RUN Overrides Active AlertsOUT-OF-RANGE Sensor Failures Protective Limit Chiller Protect Limit FaultsSpare Sensor Alert Messages Chiller AlertsDESCRIPTION/MALFUNCTION Probable CAUSE/REMEDY Other PROBLEMS/MALFUNCTIONSTemperature Voltage Resistance Drop Ð Thermistor Temperature F vs Resistance/Voltage DropÐ Thermistor Temperature C vs Resistance/Voltage Drop Input Options Module Control ModulesModule Address Options Module Starter Management Module SMM FigProcessor Module Psio Fig Switch Options Setting Module InstallationTypical Benshaw, Inc. Solid-State Starter internal View Page Page Problem Probable Causes Area of Correction Benshaw, Inc. Solid-State Starter Troubleshooting GuideRV1 SCRAdditional Data for Marine Waterboxes Heat Exchanger DataCooler CondenserCoolers Waterbox Cover WeightsCondensers 1034 kPaOptional Pumpout System Electrical Data Compressor/Motor WeightsCompressor Weights Compressor Fits and Clearances Description Torque Compressor Assembly TorquesFt-lb ``ZCOM CLRComm EXTPage CLR Page Chiller Power Panel, Starter Assembly Motor Wiring Schematic Chiller Power Panel, Starter Assembly Motor Wiring Schematic POT PMRGFR HPSTypical Wye-Delta Unit Mounted Starter Wiring Schematic Index Index Copyright 1996 Carrier Corporation

19XL specifications

The Carrier 19XL is a highly regarded commercial heating and cooling solution, designed to provide optimum performance and energy efficiency in various applications. This rooftop unit is engineered to meet the diverse needs of businesses, making it an ideal choice for those requiring reliable climate control in their facilities.

One of the standout features of the Carrier 19XL is its advanced cooling and heating capabilities. The unit utilizes a high-efficiency scroll compressor that ensures a quieter operation and improved reliability. The system can operate across a wide range of temperatures, making it versatile for various climates. Additionally, it offers both cooling and heating options, allowing for year-round comfort.

Energy efficiency is a focal point of the 19XL design. With an impressive Seasonal Energy Efficiency Ratio (SEER) and Heating Seasonal Performance Factor (HSPF), this unit not only helps reduce energy costs but also supports environmental sustainability initiatives. The unit is equipped with environmentally friendly refrigerants, further contributing to lower greenhouse gas emissions.

The Carrier 19XL features a user-friendly control system, allowing for easy monitoring and management of the unit's performance. This control system is designed to maximize energy savings, offering features such as demand control ventilation and integrated economizers that facilitate the use of outdoor air for cooling, reducing reliance on mechanical systems when conditions allow.

Construction-wise, the Carrier 19XL is built to withstand tough environmental conditions. Its robust cabinet is made from galvanized steel, providing durability and protection against the elements. The design also includes insulation to minimize noise levels, creating a more comfortable indoor environment.

Maintenance is a key consideration in the design of the 19XL. The unit features accessible service ports and a simplified access panel, allowing technicians to perform routine maintenance with ease. This proactive design helps ensure the longevity of the system and minimizes downtime, keeping operations running smoothly.

In summary, the Carrier 19XL is an exceptional choice for commercial heating and cooling needs. With its energy-efficient features, advanced technology, and durable construction, it stands out as a reliable solution for businesses looking for sustainable climate control options.
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