Sterling 30RA010-055 manual Temp

Page 64

Table 33 — 5K Thermistor Temperatures (°F) vs. Resistance/Voltage Drop

(Voltage Drop for Entering, Leaving Water and Outside-Air Thermistors T1, T2, T9)

TEMP

VOLTAGE

RESISTANCE

DROP

(F)

(Ohms)

(V)

 

 

–25

3.699

98,010

–24

3.689

94,707

–23

3.679

91,522

–22

3.668

88,449

–21

3.658

85,486

–20

3.647

82,627

–19

3.636

79,871

–18

3.624

77,212

–17

3.613

74,648

–16

3.601

72,175

–15

3.588

69,790

–14

3.576

67,490

–13

3.563

65,272

–12

3.550

63,133

–11

3.536

61,070

–10

3.523

59,081

–9

3.509

57,162

–8

3.494

55,311

–7

3.480

53,526

–6

3.465

51,804

–5

3.450

50,143

–4

3.434

48,541

–3

3.418

46,996

–2

3.402

45,505

–1

3.386

44,066

0

3.369

42,679

1

3.352

41,339

2

3.335

40,047

3

3.317

38,800

4

3.299

37,596

5

3.281

36,435

6

3.262

35,313

7

3.243

34,231

8

3.224

33,185

9

3.205

32,176

10

3.185

31,202

11

3.165

30,260

12

3.145

29,351

13

3.124

28,473

14

3.103

27,624

15

3.082

26,804

16

3.060

26,011

17

3.038

25,245

18

3.016

24,505

19

2.994

23,789

20

2.972

23,096

21

2.949

22,427

22

2.926

21,779

23

2.903

21,153

24

2.879

20,547

25

2.856

19,960

26

2.832

19,393

27

2.808

18,843

28

2.784

18,311

29

2.759

17,796

30

2.735

17,297

31

2.710

16,814

32

2.685

16,346

33

2.660

15,892

34

2.634

15,453

35

2.609

15,027

36

2.583

14,614

37

2.558

14,214

38

2.532

13,826

39

2.506

13,449

40

2.480

13,084

41

2.454

12,730

42

2.428

12,387

43

2.402

12,053

44

2.376

11,730

45

2.349

11,416

46

2.323

11,112

47

2.296

10,816

48

2.270

10,529

49

2.244

10,250

50

2.217

9,979

51

2.191

9,717

52

2.165

9,461

53

2.138

9,213

54

2.112

8,973

55

2.086

8,739

56

2.060

8,511

57

2.034

8,291

58

2.008

8,076

TEMP

VOLTAGE

RESISTANCE

DROP

(F)

(Ohms)

(V)

 

 

59

1.982

7,686

60

1.956

7,665

61

1.930

7,468

62

1.905

7,277

63

1.879

7,091

64

1.854

6,911

65

1.829

6,735

66

1.804

6,564

67

1.779

6,399

68

1.754

6,238

69

1.729

6,081

70

1.705

5,929

71

1.681

5,781

72

1.656

5,637

73

1.632

5,497

74

1.609

5,361

75

1.585

5,229

76

1.562

5,101

77

1.538

4,976

78

1.516

4,855

79

1.493

4,737

80

1.470

4,622

81

1.448

4,511

82

1.426

4,403

83

1.404

4,298

84

1.382

4,196

85

1.361

4,096

86

1.340

4,000

87

1.319

3,906

88

1.298

3,814

89

1.278

3,726

90

1.257

3,640

91

1.237

3,556

92

1.217

3,474

93

1.198

3,395

94

1.179

3,318

95

1.160

3,243

96

1.141

3,170

97

1.122

3,099

98

1.104

3,031

99

1.086

2,964

100

1.068

2,898

101

1.051

2,835

102

1.033

2,773

103

1.016

2,713

104

0.999

2,655

105

0.983

2,597

106

0.966

2,542

107

0.950

2,488

108

0.934

2,436

109

0.918

2,385

110

0.903

2,335

111

0.888

2,286

112

0.873

2,239

113

0.858

2,192

114

0.843

2,147

115

0.829

2,103

116

0.815

2,060

117

0.801

2,018

118

0.787

1,977

119

0.774

1,937

120

0.761

1,898

121

0.748

1,860

122

0.735

1,822

123

0.723

1,786

124

0.710

1,750

125

0.698

1,715

126

0.686

1,680

127

0.674

1,647

128

0.663

1,614

129

0.651

1,582

130

0.640

1,550

131

0.629

1,519

132

0.618

1,489

133

0.608

1,459

134

0.597

1,430

135

0.587

1,401

136

0.577

1,373

137

0.567

1,345

138

0.557

1,318

139

0.548

1,291

140

0.538

1,265

141

0.529

1,240

142

0.520

1,214

TEMP

VOLTAGE

RESISTANCE

DROP

(F)

(Ohms)

(V)

 

 

143

0.511

1,190

144

0.502

1,165

145

0.494

1,141

146

0.485

1,118

147

0.477

1,095

148

0.469

1,072

149

0.461

1,050

150

0.453

1,029

151

0.445

1,007

152

0.438

986

153

0.430

965

154

0.423

945

155

0.416

925

156

0.408

906

157

0.402

887

158

0.395

868

159

0.388

850

160

0.381

832

161

0.375

815

162

0.369

798

163

0.362

782

164

0.356

765

165

0.350

750

166

0.344

734

167

0.339

719

168

0.333

705

169

0.327

690

170

0.322

677

171

0.317

663

172

0.311

650

173

0.306

638

174

0.301

626

175

0.296

614

176

0.291

602

177

0.286

591

178

0.282

581

179

0.277

570

180

0.272

561

181

0.268

551

182

0.264

542

183

0.259

533

184

0.255

524

185

0.251

516

186

0.247

508

187

0.243

501

188

0.239

494

189

0.235

487

190

0.231

480

191

0.228

473

192

0.224

467

193

0.220

461

194

0.217

456

195

0.213

450

196

0.210

445

197

0.206

439

198

0.203

434

199

0.200

429

200

0.197

424

201

0.194

419

202

0.191

415

203

0.188

410

204

0.185

405

205

0.182

401

206

0.179

396

207

0.176

391

208

0.173

386

209

0.171

382

210

0.168

377

211

0.165

372

212

0.163

367

213

0.160

361

214

0.158

356

215

0.155

350

216

0.153

344

217

0.151

338

218

0.148

332

219

0.146

325

220

0.144

318

221

0.142

311

222

0.140

304

223

0.138

297

224

0.135

289

225

0.133

282

64

Image 64
Contents SAFETY CONSIDERATIONS CONTENTS GENERALMAJOR SYSTEM COMPONENTS Control Module CommunicationSterlco Comfort Network SCN Interface — Table 1 — Unit SizesTable 3 — Status Switches Table 5 - SCN Communication Bus WiringTable 2 — Thermistor Designations Table 4 - Output RelaysLEGEND FOR FIG. Page Page Fig. 3 — Wiring Schematic 30RA010-018 30RA010-018AQUA SNAPFig. 3 - Wiring Schematic 30RA010-018cont AQUA-SNAPLOW VOLTAGE CONTROL SCHEMATICSEE NOTE SEE NOTE Fig. 4 - Wiring Schematic 30RA022-030 30RA022-030AQUA SNAPFig. 4 - Wiring Schematic 30RA022-030cont AQUA-SNAPLOW VOLTAGE CONTROL SCHEMATICFig. 5 — Wiring Schematic 30RA032-040 30RA032-040AQUA SNAPFig. 5 — Wiring Schematic 30RA032-040cont AQUA-SNAPLOW VOLTAGE CONTROL SCHEMATICFig. 6 — Wiring Schematic 30RA042-055 30RA042-055AQUA SNAPFig. 6 — Wiring Schematic 30RA042-055cont AQUA-SNAPLOW VOLTAGE CONTROL SCHEMATICFig. 7 — Main Base Board ESCAPEENTERREMOTE CONTACT SW1 OFF ENABLE OFF SW2 ON MODEFig. 9 — Typical Space Temperature Sensor Wiring Fig. 11 - Energy Management Module CEPL130351100/100 Fig. 12 — Deadband Multiplier R-22Maneurop Compressor Fig. 13 — Operating Envelope forFig. 14 — 30RA Condenser Fan Sequence Cooling Set Point Select Service Test See Table 11 — Both main power and control circuit power must be onTable 8 — Control Methods and Cooling Set Points Fig. 16 — Scrolling Marquee DisplayOptional Factory-InstalledHydronic Package — •Cooler Pump Control CPC Configuration, OPT1 ON Fig. 17 — Dual Chiller Thermistor Location Table 9 — Marquee Display Menu StructureTable 10 — Run Status Mode and Sub-ModeDirectory SUB-MODE Table 12 - Temperature Mode and Sub-ModeDirectory Table 14 — Set Point and Sub-ModeDirectory Table 13 — Pressure Mode and Sub-ModeDirectoryTable 15 — Inputs Mode and Sub-ModeDirectory Table 16 — Outputs Mode and Sub-ModeDirectory SUB-MODEKEYPAD DISPLAYSUB-MODE KEYPADITEM DISPLAYSUB-MODE KEYPADITEM DISPLAYTable 18 — Time Clock Mode and Sub-ModeDirectory PER.3 SUB-MODE Table 20 — Alarms Mode and Sub-ModeDirectory Table 19 — Operating Mode and Sub-ModeDirectorySUB-MODE ITEMKEYPAD ENTRY DISPLAYRSET DISP Table 23 — Operating Modes Table 24 — Example of Reading and Clearing Alarms Table 25A — 4-20mA ResetTable 26B — Configuring Return Temperature Reset Fig. 18 — Standard Chilled Fluid Temperature Control — No ResetFig. 19 — Outdoor-AirTemperature Reset Fig. 20 — Space Temperature ResetFig. 21A — 4- to 20-mADemand Limiting Fig. 21B — Cooling Set Point 4 to 20 mATROUBLESHOOTING Table 27 — Configuring Demand LimitRecommended that system be filled with an appro Table 28 — Troubleshootingand fluid tubing Fig. 22 — Component Arrangement — 30RA010-030 FU — Fuse GND — GroundFig. 23 — Component Arrangement — 30RA032-040 FU — Fuse GND — GroundFig. 24 — Component Arrangement — 30RA042-055 FU — Fuse GND — GroundNOTES LEGEND Table 29 — Alarm and Alert Codes Table 29 - Alarm and Alert Codes cont Table 29 — Alarm and Alert Codes cont ALARMTable 29 — Alarm and Alert Codes cont ALARMTable 29 — Alarm and Alert Codes cont ALARMSERVICE Compressor Replacement Refer to FigTable 30 - Unit Torque Specification Electronic ComponentsFig. 28 — Compressor Wiring Fig. 27 — Typical Compressor Mounting — All SizesFig. 29 — Compressor Location — 30RA010-030 Fig. 30 — Compressor Location — 30RA032-055Condenser Section and Coils Table 31 - Oil ChargeFig. 31 — 30RA Access Panels Check Refrigerant Feed ComponentsFig. 32 — Condenser-FanMounting Fig. 33 — Condenser-FanPosition Standard FanTable 32 — Factory Settings, High-Pressure Switch FixedCompressor and Unit Protective Devices Check Unit SafetiesCOOLER FREEZE-UPPROTECTION TEMP TEMP For Thermistor T10 For Thermistor T10 Fig. 35 — Fluid-SideTemperature Sensors T1 and T2 Main Base Board, J8 ConnectorFig. 36 — Thermistor Connections to PROGRAMMING Mode •P50: FAULT HISTORY — Last 8 faults Table 37 - Fault Codes•P51: SOFTWARE version PARAMETERS Table 39 — Replacement Modules MAINTENANCE Minimum Loop VolumePRE-START-UP System CheckOperating Limitations Table 41 — Temperature Limits for OPERATION SEQUENCEStandard 30RA Units APPENDIX A SCN Tables A_UNIT General Unit ParametersCIRCADIO Circuit A Discrete Inputs/Outputs CIRCA_AN Circuit A Analog ParametersCIRCB_AN Circuit B Analog Parameters CIRCBDIO Circuit B Discrete Inputs/OutputsOPTIONS Unit Parameters ALARMDEF Alarm Definition Table DISPLAY Marquee Display SETUPDUALCHIL Dual Chiller Configuration Settings BRODEFS Broadcast POC Definition TableOPTIONS1 Options 1 Configuration OPTIONS2 Options 2 ConfigurationRESETCON Temperature Reset and Demand Limit SCHEDOVR Timed Override SetupSETPOINT UNIT ALARMS: Maintenance DisplayMAINTENANCE CURRMODS: Maintenance Display DUALCHIL: Maintenance DisplayLEARNFNS Maintenance Display LOADFACT: Maintenance DisplayPM-PUMP:Maintenance Display PM-COIL:Maintenance DisplayPM-STRN Maintenance Display RUNTEST: Maintenance Display TESTMODE: Maintenance Display STRTHOUR Maintenance DisplayVERSIONS: Maintenance Display WSMDEFME: Maintenance Display APPENDIX B FACTORY SETTINGS FOR COMPRESSOR, FAN, PUMPAND MANUAL STARTERS AND MANUAL STARTERS cont FACTORY SETTINGS FOR COMPRESSOR, FAN, PUMPAPPENDIX C DataPort, DataLink, BAClink Object DefinitionOPTIONS SETPOINTSTART-UPCHECKLIST FOR 30RA LIQUID CHILLER Remove and use for Job File I.Project InformationII. Preliminary Equipment Check Design InformationIII. Unit Start-Up Start and Operate Machine. Complete the FollowingCL-3 COMMENTS Record Software Versions MODE — RUN STATUSCL-4 OPTIONS1 Options Configuration UNIT Configuration SettingsIII.Unit Start-Upcont OPTIONS2 Options Configuration RSET Reset Configuration SettingsIII.Unit Start-Upcont CL-6SLCT Setpoint and Ramp Load Configuration III.Unit Start-UpcontSETPOINT CL-7Service Test Mode and Sub-ModeDirectory III.Unit Start-Upcont