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

Page 76

Table 10A Ð Thermistor Temperature (F) vs Resistance/Voltage Drop

TEMPERATURE

VOLTAGE

RESISTANCE

 

TEMPERATURE

VOLTAGE

RESISTANCE

 

TEMPERATURE

VOLTAGE

RESISTANCE

(F)

DROP (V)

(Ohms)

 

(F)

DROP (V)

(Ohms)

 

(F)

DROP (V)

(Ohms)

−25

4.821

98,010

 

59

3.437

7,868

 

143

1.250

1,190

−24

4.818

94,707

60

3.409

7,665

144

1.230

1,165

−23

4.814

91,522

61

3.382

7,468

145

1.211

1,141

−22

4.806

88,449

62

3.353

7,277

146

1.192

1,118

−21

4.800

85,486

63

3.323

7,091

147

1.173

1,095

−20

4.793

82,627

64

3.295

6,911

148

1.155

1,072

−19

4.786

79,871

65

3.267

6,735

149

1.136

1,050

−18

4.779

77,212

66

3.238

6,564

150

1.118

1,029

−17

4.772

74,648

67

3.210

6,399

151

1.100

1,007

−16

4.764

72,175

68

3.181

6,238

152

1.082

986

−15

4.757

69,790

69

3.152

6,081

153

1.064

965

−14

4.749

67,490

70

3.123

5,929

154

1.047

945

−13

4.740

65,272

71

3.093

5,781

155

1.029

925

−12

4.734

63,133

72

3.064

5,637

156

1.012

906

−11

4.724

61,070

73

3.034

5,497

157

0.995

887

−10

4.715

59,081

74

3.005

5,361

158

0.978

868

−9

4.705

57,162

75

2.977

5,229

159

0.962

850

−8

4.696

55,311

76

2.947

5,101

160

0.945

832

−7

4.688

53,526

77

2.917

4,976

161

0.929

815

−6

4.676

51,804

78

2.884

4,855

162

0.914

798

−5

4.666

50,143

79

2.857

4,737

163

0.898

782

−4

4.657

48,541

80

2.827

4,622

164

0.883

765

−3

4.648

46,996

81

2.797

4,511

165

0.868

750

−2

4.636

45,505

82

2.766

4,403

166

0.853

734

−1

4.624

44,066

83

2.738

4,298

167

0.838

719

0

4.613

42,679

84

2.708

4,196

168

0.824

705

1

4.602

41,339

85

2.679

4,096

169

0.810

690

2

4.592

40,047

86

2.650

4,000

170

0.797

677

3

4.579

38,800

87

2.622

3,906

171

0.783

663

4

4.567

37,596

88

2.593

3,814

172

0.770

650

5

4.554

36,435

89

2.563

3,726

173

0.758

638

6

4.540

35,313

90

2.533

3,640

174

0.745

626

7

4.527

34,231

91

2.505

3,556

175

0.734

614

8

4.514

33,185

92

2.476

3,474

176

0.722

602

9

4.501

32,176

93

2.447

3,395

177

0.710

591

10

4.487

31,202

94

2.417

3,318

178

0.700

581

11

4.472

30,260

95

2.388

3,243

179

0.689

570

12

4.457

29,351

96

2.360

3,170

180

0.678

561

13

4.442

28,473

97

2.332

3,099

181

0.668

551

14

4.427

27,624

98

2.305

3,031

182

0.659

542

15

4.413

26,804

99

2.277

2,964

183

0.649

533

16

4.397

26,011

100

2.251

2,898

184

0.640

524

17

4.381

25,245

101

2.217

2,835

185

0.632

516

18

4.366

24,505

102

2.189

2,773

186

0.623

508

19

4.348

23,789

103

2.162

2,713

187

0.615

501

20

4.330

23,096

104

2.136

2,655

188

0.607

494

21

4.313

22,427

105

2.107

2,597

189

0.600

487

22

4.295

21,779

106

2.080

2,542

190

0.592

480

23

4.278

21,153

107

2.053

2,488

191

0.585

473

24

4.258

20,547

108

2.028

2,436

192

0.579

467

25

4.241

19,960

109

2.001

2,385

193

0.572

461

26

4.223

19,393

110

1.973

2,335

194

0.566

456

27

4.202

18,843

111

1.946

2,286

195

0.560

450

28

4.184

18,311

112

1.919

2,239

196

0.554

445

29

4.165

17,796

113

1.897

2,192

197

0.548

439

30

4.145

17,297

114

1.870

2,147

198

0.542

434

31

4.125

16,814

115

1.846

2,103

199

0.537

429

32

4.103

16,346

116

1.822

2,060

200

0.531

424

33

4.082

15,892

117

1.792

2,018

201

0.526

419

34

4.059

15,453

118

1.771

1,977

202

0.520

415

35

4.037

15,027

119

1.748

1,937

203

0.515

410

36

4.017

14,614

120

1.724

1,898

204

0.510

405

37

3.994

14,214

121

1.702

1,860

205

0.505

401

38

3.968

13,826

122

1.676

1,822

206

0.499

396

39

3.948

13,449

123

1.653

1,786

207

0.494

391

40

3.927

13,084

124

1.630

1,750

208

0.488

386

41

3.902

12,730

125

1.607

1,715

209

0.483

382

42

3.878

12,387

126

1.585

1,680

210

0.477

377

43

3.854

12,053

127

1.562

1,647

211

0.471

372

44

3.828

11,730

128

1.538

1,614

212

0.465

367

45

3.805

11,416

129

1.517

1,582

213

0.459

361

46

3.781

11,112

130

1.496

1,550

214

0.453

356

47

3.757

10,816

131

1.474

1,519

215

0.446

350

48

3.729

10,529

132

1.453

1,489

216

0.439

344

49

3.705

10,250

133

1.431

1,459

217

0.432

338

50

3.679

9,979

134

1.408

1,430

218

0.425

332

51

3.653

9,717

135

1.389

1,401

219

0.417

325

52

3.627

9,461

136

1.369

1,373

220

0.409

318

53

3.600

9,213

137

1.348

1,345

221

0.401

311

54

3.575

8,973

138

1.327

1,318

222

0.393

304

55

3.547

8,739

139

1.308

1,291

223

0.384

297

56

3.520

8,511

140

1.291

1,265

224

0.375

289

57

3.493

8,291

141

1.289

1,240

225

0.366

282

58

3.464

8,076

 

142

1.269

1,214

 

 

 

 

 

 

 

 

76

Image 76
Contents Start-Up, Operation, and Maintenance Instructions Safety ConsiderationsContents Contents Introduction Abbreviations and ExplanationsRefrigeration Cycle Chiller FamiliarizationMOTOR/OIL Refrigeration Cooling Cycle 19XL Rear View Take-Apart Rabbet Fit Connector Cooler In/Out Temperature SensorsCondenser In/Out Temperature Sensors Cooler Pressure Schrader FittingLubrication Cycle Refrigerant Motor Cooling and Oil Cooling CyclesLubrication System Starting Equipment Unit-Mounted Solid-State Starter OptionalDenitions ControlsMajor PIC Components Panel Locations PIC Component Panel19XL Controls and Sensor Locations Pressure Transducer, TypicalPower Panel with Options Control and OIL Heater Voltage Selector S1General LID Operation and Menus FigSelect − Example of Point Status Screen Status01 Override OperationsExample of Time Schedule Operation Screen 19XL Menu Structure 19XL Service Menu Structure 19XL Service Menu Structure Setpoint Example of Set Point ScreenDescription Range Units Reference Point Name Alarm History LID ScreensExample 1 Ð STATUS01 Display Screen Menu Status SelectExample 2 Ð STATUS02 Display Screen Example 3 Ð STATUS03 Display ScreenExample 4 Ð Setpoint Display Screen MenuExample 5 Ð Configuration Config Display Screen Example 6 Ð LEAD/LAG Configuration Display ScreenECW Control Option ICE Build TerminationExample 7 Ð SERVICE1 Display Screen Example 8 Ð SERVICE2 Display Screen Spare Alert EnableExample 9 Ð SERVICE3 Display Screen Menu ServiceExample 10 Ð Maintenance MAINT01 Display Screen Example 11 Ð Maintenance MAINT02 Display ScreenDischarge Temperature Bearing TemperatureExample 13 Ð Maintenance MAINT04 Display Screen Example 12 Ð Maintenance MAINT03 Display ScreenDescription RANGE/STATUS Units Reference Point Name PIC System Functions Page Protective Safety Limits and Control Settings Capacity Overrides Page Page Lead/Lag Control ECWHgbp Hot Gas BypassPage Ice Build Control Cent CapacityPage Example of Attach to Network Device Screen To LOG onSTART-UP/SHUTDOWN/RECYCLE Sequence FigRecycle Restart Delta T Using the Optional Storage Tank and Pumpout Before Initial START-UPJob Data Required Equipment Required19XL Leak Test Procedures Page Ð HCFC-22 Pressure Ð Temperature F Ð HCFC-22 Pressure Ð Temperature CÐ HFC-134a Pressure Ð Temperature C Ð HFC-134a Pressure Ð Temperature FTemperature Pressure Page Inspect Wiring Check Optional Pumpout Compressor Water PipCheck Starter MECHANICAL-TYPE StartersBenshaw, Inc. Solid-State Starter Power Stack BENSHAW, INC. SOLID-STATE StarterPower Up the Controls and Check the Oil Heater Set Up Chiller Control CongurationLoad Surge Prevention Occurs TOO Soon Occurs TOO Late Amps Correction Factors For 19XL Motors Volt Motor CodeCharge Refrigerant into Chiller 19XL Chiller Equalization Without PUMP- OUT UnitControl Test Menu Functions Tests to be Devices Tested PerformedRefrigerant Charges 19XL Total Refrigerant ChargeCooler SizeDry Run to Test Start-Up Sequence Initial START-UPCheck Rotation Check Oil Pressure and Compressor Stop Calibrate Motor CurrentOperating Instructions Operator DutiesTo Stop the Chiller Plant Pumpout and Refrigerant Transfer Procedures Operating the Optional Pumpout CompressorTransfer Refrigerant from Storage Tank to Chiller TstatChillers with Isolation Valves Transfer the Refrigerant from Chiller to Storage TankTest After Service, Repair, or Major Leak Ð If General MaintenanceReturn Refrigerant to Normal Operating Conditions Weekly Maintenance Guide Vane Actuator LinkageCheck Safety and Operating Controls Monthly Scheduled MaintenanceTo Change the OIL Compressor Bearing and Gear Mainten Inspect the Heat Exchanger TubesOptional Pumpout System Controls Troubleshooting Guide MAINT01 MAINT02MAINT03 MAINT04Shutdown with ON/OFF/RESET-OFF Timing OUT or Timed OUTNormal or AUTO.-RESTART Recycle ShutdownAutorestart in Progress LOW Chilled Water Normal RUN with RESET, TEMPERATURE, or Demand Compressor Jumpstart and Refrigerant ProtectionOUT-OF-RANGE Sensor Failures Normal RUN Overrides Active AlertsLimited Chiller Protect Limit Faults Protective LimitChiller Alerts Spare Sensor Alert MessagesOther PROBLEMS/MALFUNCTIONS DESCRIPTION/MALFUNCTION Probable CAUSE/REMEDYÐ Thermistor Temperature F vs Resistance/Voltage Drop Temperature Voltage Resistance DropÐ Thermistor Temperature C vs Resistance/Voltage Drop Module Address Control ModulesInput Options Module Processor Module Psio Fig Starter Management Module SMM FigOptions Module Installation Switch Options Setting ModuleTypical Benshaw, Inc. Solid-State Starter internal View Page Page Benshaw, Inc. Solid-State Starter Troubleshooting Guide Problem Probable Causes Area of CorrectionRV1 SCRHeat Exchanger Data Additional Data for Marine WaterboxesCooler CondenserWaterbox Cover Weights CoolersCondensers 1034 kPaCompressor Weights Compressor/Motor WeightsOptional Pumpout System Electrical Data Compressor Fits and Clearances Compressor Assembly Torques Description TorqueFt-lb ``ZCLR COMComm EXTPage CLR Page Chiller Power Panel, Starter Assembly Motor Wiring Schematic Chiller Power Panel, Starter Assembly Motor Wiring Schematic PMR POTGFR 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.