Carrier 30GN040-420 operating instructions Temperature Voltage Resistance Drop Ohms

Page 58

Table 17 Ð Thermistor Temperature (°F) vs Resistance/Voltage Drop; Flotronic™ II

TEMPERATURE

VOLTAGE

RESISTANCE

 

TEMPERATURE

VOLTAGE

RESISTANCE

 

TEMPERATURE

VOLTAGE

RESISTANCE

(F)

DROP (V)

(OHMS)

 

(F)

DROP (V)

(OHMS)

 

(F)

DROP (V)

(OHMS)

−25.0

4.821

98010

 

71

3.093

5781

 

167

0.838

719

−24.0

4.818

94707

72

3.064

5637

168

0.824

705

−23.0

4.814

91522

73

3.034

5497

169

0.810

690

−22.0

4.806

88449

74

3.005

5361

170

0.797

677

−21.0

4.800

85486

75

2.977

5229

171

0.783

663

−20.0

4.793

82627

76

2.947

5101

172

0.770

650

−19.0

4.786

79871

77

2.917

4976

173

0.758

638

−18.0

4.779

77212

78

2.884

4855

174

0.745

626

−17.0

4.772

74648

79

2.857

4737

175

0.734

614

−16.0

4.764

72175

80

2.827

4622

176

0.722

602

−15.0

4.757

69790

81

2.797

4511

177

0.710

591

−14.0

4.749

67490

82

2.766

4403

178

0.700

581

−13.0

4.740

65272

83

2.738

4298

179

0.689

570

−12.0

4.734

63133

84

2.708

4196

180

0.678

561

−11.0

4.724

61070

85

2.679

4096

181

0.668

551

−10.0

4.715

59081

86

2.650

4000

182

0.659

542

−9.0

4.705

57162

87

2.622

3906

183

0.649

533

−8.0

4.696

55311

88

2.593

3814

184

0.640

524

−7.0

4.688

53526

89

2.563

3726

185

0.632

516

−6.0

4.676

51804

90

2.533

3640

186

0.623

508

−5.0

4.666

50143

91

2.505

3556

187

0.615

501

−4.0

4.657

48541

92

2.476

3474

188

0.607

494

−3.0

4.648

46996

93

2.447

3395

189

0.600

487

−2.0

4.636

45505

94

2.417

3318

190

0.592

480

−1.0

4.624

44066

95

2.388

3243

191

0.585

473

0.0

4.613

42679

96

2.360

3170

192

0.579

467

1.0

4.602

41339

97

2.332

3099

193

0.572

461

2.0

4.592

40047

98

2.305

3031

194

0.566

456

3.0

4.579

38800

99

2.277

2964

195

0.560

450

4.0

4.567

37596

100

2.251

2898

196

0.554

445

5.0

4.554

36435

101

2.217

2835

197

0.548

439

6.0

4.540

35313

102

2.189

2773

198

0.542

434

7.0

4.527

34231

103

2.162

2713

199

0.537

429

8.0

4.514

33185

104

2.136

2655

200

0.531

424

9.0

4.501

32176

105

2.107

2597

201

0.526

419

10.0

4.487

31202

106

2.080

2542

202

0.520

415

11.0

4.472

30260

107

2.053

2488

203

0.515

410

12.0

4.457

29351

108

2.028

2436

204

0.510

405

13.0

4.442

28473

109

2.001

2385

205

0.505

401

14.0

4.427

27624

110

1.973

2335

206

0.499

396

15.0

4.413

26804

111

1.946

2286

207

0.494

391

16.0

4.397

26011

112

1.919

2239

208

0.488

386

17.0

4.381

25245

113

1.897

2192

209

0.483

382

18.0

4.366

24505

114

1.870

2147

210

0.477

377

19.0

4.348

23789

115

1.846

2103

211

0.471

372

20.0

4.330

23096

116

1.822

2060

212

0.465

367

21.0

4.313

22427

117

1.792

2018

213

0.459

361

22.0

4.295

21779

118

1.771

1977

214

0.453

356

23.0

4.278

21153

119

1.748

1937

215

0.446

350

24.0

4.258

20547

120

1.724

1898

216

0.439

344

25.0

4.241

19960

121

1.702

1860

217

0.432

338

26.0

4.223

19393

122

1.676

1822

218

0.425

332

27.0

4.202

18843

123

1.653

1786

219

0.417

325

28.0

4.184

18311

124

1.630

1750

220

0.409

318

29.0

4.165

17796

125

1.607

1715

221

0.401

311

30.0

4.145

17297

126

1.585

1680

222

0.393

304

31.0

4.125

16814

127

1.562

1647

223

0.384

297

32.0

4.103

16346

128

1.538

1614

224

0.375

289

33.0

4.082

15892

129

1.517

1582

225

0.366

282

34.0

4.059

15453

130

1.496

1550

 

 

 

 

 

 

 

 

35.0

4.037

15027

131

1.474

1519

 

 

 

 

36.0

4.017

14614

132

1.453

1489

 

 

 

 

37.0

3.994

14214

133

1.431

1459

 

 

 

 

38.0

3.968

13826

134

1.408

1430

 

 

 

 

39.0

3.948

13449

135

1.389

1401

 

 

 

 

40.0

3.927

13084

136

1.369

1373

 

 

 

 

41.0

3.902

12730

137

1.348

1345

 

 

 

 

42.0

3.878

12387

138

1.327

1318

 

 

 

 

43.0

3.854

12053

139

1.308

1291

 

 

 

 

44.0

3.828

11730

140

1.291

1265

 

 

 

 

45.0

3.805

11416

141

1.289

1240

 

 

 

 

46.0

3.781

11112

142

1.269

1214

 

 

 

 

47.0

3.757

10816

143

1.250

1190

 

 

 

 

48.0

3.729

10529

144

1.230

1165

 

 

 

 

49.0

3.705

10250

145

1.211

1141

 

 

 

 

50.0

3.679

9979

146

1.192

1118

 

 

 

 

51.0

3.653

9717

147

1.173

1095

 

 

 

 

52.0

3.627

9461

148

1.155

1072

 

 

 

 

53.0

3.600

9213

149

1.136

1050

 

 

 

 

54.0

3.575

8973

150

1.118

1029

 

 

 

 

55.0

3.547

8739

151

1.100

1007

 

 

 

 

56.0

3.520

8511

152

1.082

986

 

 

 

 

57.0

3.493

8291

153

1.064

965

 

 

 

 

58.0

3.464

8076

154

1.047

945

 

 

 

 

59.0

3.437

7868

155

1.029

925

 

 

 

 

60.0

3.409

7665

156

1.012

906

 

 

 

 

61.0

3.382

7468

157

0.995

887

 

 

 

 

62.0

3.353

7277

158

0.978

868

 

 

 

 

63.0

3.323

7091

159

0.962

850

 

 

 

 

64.0

3.295

6911

160

0.945

832

 

 

 

 

65.0

3.267

6735

161

0.929

815

 

 

 

 

66.0

3.238

6564

162

0.914

798

 

 

 

 

67.0

3.210

6399

163

0.898

782

 

 

 

 

68.0

3.181

6238

164

0.883

765

 

 

 

 

69.0

3.152

6081

165

0.868

750

 

 

 

 

70.0

3.123

5929

 

166

0.853

734

 

 

 

 

58

Image 58
Contents Controls, Operation, Troubleshooting Unit Model Nominal Section a Section B Unit Sizes and Modular CombinationsTons Unit 30GN 30GN Control Panel 040-110 Unit Shown Keypad and Display Module Also Called Hsio LOCAL/ENABLE-STOP-CCN Switch Positions and OperationLOCAL/ENABLE StopThermistors Compressor Protection Control Module CpcsThermistor and Transducer Locations Pressure TransducersLoading Sequence a Loading Sequence B Unit Control Ð Capacity Control StepsSteps Ð Capacity Control Steps, 040-070 Ð Capacity Control Steps, 040-070 A1²**, B1² Displacement Compressors Approx 080, 230B 60 HzA1²,B1² A1²**,B1²090, 245B 60 Hz Compressors Displacement090, 245B 50 Hz 100, 255B 270B 60 HzUnit Control Loading Sequence a Loading Sequence B 270B 50 Hz315B 60 Hz 110, 290B315B 50 Hz A1*,A2,B1 A1,A2,B1 A1²²,A2,B1,B2 A1*,A2,B1,B2 130 60 Hz 130 50 Hz 150, 230A, 245AA1,kB1 170, 270A 330A/B 60 Hz330A/B,360B 50 Hz 330A/B, 360B 50 Hz A1,B1 Approx 190, 290A, 360A/B390B 60 Hz A1**,B1210, 315A, 390A 420A/B 60 Hz420A/B 50 Hz Head Pressure Control PumpoutCondenser Fan Sequence FAN Arrangement FAN Numbers FAN Contactor Controlled byFunction USE Keys Keypad and Display Module UsageFunctions and Subfunctions Operative USE KeysAccessing Functions and Subfunctions Keypad DirectorySubfunction Keypad Entry Display Comment Stage TemperatureKeypad Directory Status SET PointInputs Subfunction Keypad Entry Display Comment PressureAnalog OutputsSubfunction Keypad Entry Display Comment Compressors Subfunction Keypad Entry Display CommentSubfunction Keypad Entry Display Comment Outputs Unloaders CPA1Keypad Directory Test Keypad Directory Schedule Service Keypad Directory ServiceConfiguration Subfunction Keypad Entry Display Comment FactoryStarts ALARM/ALERTSubfunction Keypad Entry Display Comment RUN Time HISTORY²²Demand SET Points Reset SET PointsSubfunction Keypad Entry Display Comment SET Points Date and TimeExample 2 Ð Reading Current Operating Modes Example 1 Ð Reading Alarm CodesKeypad Display Comments Entry Response Operational and Mode Display Codes Example 3 Ð Using Test Function Reset Set PointsExample 4 Ð Reading and Changing Chilled Fluid Set Point Example 5A Ð External ResetReset Amounts Measurement Method Input Data DescriptionExample 5C Ð Using Return Fluid Temperature Reset Keypad Display Comments Entry ResponseComm Ð Communications Bus PowerSwitch PWRSUB Keypad Display Comment Service FunctionsPassword LoggedonTo Disable Demand Limit Example 8 Ð Setting Time of Day Day of Week4-20 mA Demand Limiting Adjustable Field Congurations Factory Conguration KeystrokesProgramming Period Example 9 Ð Using the Schedule FunctionKeypad Display Comment Entry Keypad Display Comment Entry Programming PeriodExample 10 Ð Holiday Schedule Function Enter DisplayTypical Stoppage Faults and Reset Types Stop position. Unit cannot start if these contacts areAlarm and Alert Codes LOCAL/ENABLE-STOP-CCNFSM CpcsWSM Dsio COM, CommDGT HPSComm CGF Subfunction. Groups Electronic Expansion Valve EXV EXV Cable Connections to EXV Driver Module, Dsio EXV Thermistor Replacement T1, T2, T7, T8 Temperature Voltage Resistance Drop Ohms Temperature Voltage Resistance Drop Thermistor and Pressure Transducer Locations Thermistor Locations Circuits a and B, Lead Compressor Only Lead Compressor Transducer and Thermistor Locations Module Address Selector Switch Locations Control ModulesAccessory Unloader Installation Installation 4 In/4 Out Module SIOTroubleshooting Standard and Accessory UnloadersPage Hgbpr Ð Or HGBPR-A²Or HGBPR-B COMCWP Ð Chilled Water Fluid Pump Externally PoweredOutdoor-Air Temperature TB Ð Terminal BlockRemote Alarm InterlocksPage Copyright 1995 Carrier Corporation

30GN040-420 specifications

The Carrier 30GN040-420 is a well-regarded model within the industry of chillers, designed to deliver efficient cooling solutions for a variety of commercial applications. Its compact design and advanced technology make it an ideal choice for businesses looking to optimize their HVAC systems.

One of the standout features of the Carrier 30GN series is its flexibility. This chiller model is available in a range of capacities, specifically from 40 to 420 tons, allowing for customized solutions based on specific cooling demands. Such versatility enables this unit to cater to a broad array of installations, from small commercial spaces to larger industrial facilities.

The Carrier 30GN040-420 utilizes a scroll compressor design, known for its reliability and efficiency. The scroll technology allows for a reduction in the number of moving parts, resulting in lower maintenance costs and increased durability. Additionally, the unit operates with environmentally friendly refrigerants such as R-410A, promoting sustainability without compromising performance.

Energy efficiency is another significant aspect of this model. The 30GN series is designed to provide high energy efficiency ratios (EER), which translates to lower operational costs for users over the lifespan of the unit. This is particularly beneficial in an era where energy costs are consistently rising.

The advanced controls found within the Carrier 30GN040-420 further enhance its performance and ease of use. The unit is equipped with a microprocessor-based control system that allows for precise temperature management while providing valuable diagnostic information. This feature not only improves the overall reliability of the system but also facilitates proactive maintenance, reducing the risk of unscheduled downtime.

Moreover, the design of the Carrier 30GN040-420 emphasizes quiet operation, making it suitable for environments where noise levels must be minimized. This characteristic is critical for applications in hospitals, schools, or office buildings, where a peaceful atmosphere is essential.

In summary, the Carrier 30GN040-420 chiller provides a robust solution for businesses requiring dependable and efficient cooling. Its features, including flexible capacity options, reliable scroll compressors, energy-efficient performance, advanced controls, and quiet operation, position it as a top choice for various commercial and industrial applications. As technology continues to evolve, models such as the 30GN series remain at the forefront, meeting the demands of modern HVAC needs while ensuring sustainability and efficiency.