Sterling 30RA010-055 manual Temp

Page 65

Table 34 — 5K Thermistor Temperatures (°C) vs. Resistance/Voltage Drop

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

TEMP

VOLTAGE

RESISTANCE

DROP

(C)

(Ohms)

(V)

 

 

–32

3.705

100,260

–31

3.687

94,165

–30

3.668

88,480

–29

3.649

83,170

–28

3.629

78,125

–27

3.608

73,580

–26

3.586

69,250

–25

3.563

65,205

–24

3.539

61,420

–23

3.514

57,875

–22

3.489

54,555

–21

3.462

51,450

–20

3.434

48,536

–19

3.406

45,807

–18

3.376

43,247

–17

3.345

40,845

–16

3.313

38,592

–15

3.281

38,476

–14

3.247

34,489

–13

3.212

32,621

–12

3.177

30,866

–11

3.140

29,216

–10

3.103

27,633

–9

3.065

26,202

–8

3.025

24,827

–7

2.985

23,532

–6

2.945

22,313

–5

2.903

21,163

–4

2.860

20,079

–3

2.817

19,058

–2

2.774

18,094

–1

2.730

17,184

0

2.685

16,325

1

2.639

15,515

2

2.593

14,749

3

2.547

14,026

4

2.500

13,342

5

2.454

12,696

6

2.407

12,085

7

2.360

11,506

8

2.312

10,959

9

2.265

10,441

10

2.217

9,949

11

2.170

9,485

12

2.123

9,044

13

2.076

8,627

14

2.029

8,231

TEMP

VOLTAGE

RESISTANCE

DROP

(C)

(Ohms)

(V)

 

 

15

1.982

7,855

16

1.935

7,499

17

1.889

7,161

18

1.844

6,840

19

1.799

6,536

20

1.754

6,246

21

1.710

5,971

22

1.666

5,710

23

1.623

5,461

24

1.580

5,225

25

1.538

5,000

26

1.497

4,786

27

1.457

4,583

28

1.417

4,389

29

1.378

4,204

30

1.340

4,028

31

1.302

3,861

32

1.265

3,701

33

1.229

3,549

34

1.194

3,404

35

1.160

3,266

36

1.126

3,134

37

1.093

3,008

38

1.061

2,888

39

1.030

2,773

40

0.999

2,663

41

0.969

2,559

42

0.940

2,459

43

0.912

2,363

44

0.885

2,272

45

0.858

2,184

46

0.832

2,101

47

0.807

2,021

48

0.782

1,944

49

0.758

1,871

50

0.735

1,801

51

0.713

1,734

52

0.691

1,670

53

0.669

1,609

54

0.649

1,550

55

0.629

1,493

56

0.610

1,439

57

0.591

1,387

58

0.573

1,337

59

0.555

1,290

60

0.538

1,244

61

0.522

1,200

TEMP

VOLTAGE

RESISTANCE

DROP

(C)

(Ohms)

(V)

 

 

62

0.506

1,158

63

0.490

1,118

64

0.475

1,079

65

0.461

1,041

66

0.447

1,006

67

0.433

971

68

0.420

938

69

0.407

906

70

0.395

876

71

0.383

836

72

0.371

805

73

0.360

775

74

0.349

747

75

0.339

719

76

0.329

693

77

0.319

669

78

0.309

645

79

0.300

623

80

0.291

602

81

0.283

583

82

0.274

564

83

0.266

547

84

0.258

531

85

0.251

516

86

0.244

502

87

0.237

489

88

0.230

477

89

0.223

466

90

0.217

456

91

0.211

446

92

0.204

436

93

0.199

427

94

0.193

419

95

0.188

410

96

0.182

402

97

0.177

393

98

0.172

385

99

0.168

376

100

0.163

367

101

0.158

357

102

0.154

346

103

0.150

335

104

0.146

324

105

0.142

312

106

0.138

299

107

0.134

285

65

Image 65
Contents SAFETY CONSIDERATIONS GENERAL CONTENTSControl Module Communication MAJOR SYSTEM COMPONENTSSterlco Comfort Network SCN Interface — Table 1 — Unit SizesTable 5 - SCN Communication Bus Wiring Table 3 — Status SwitchesTable 2 — Thermistor Designations Table 4 - Output RelaysLEGEND FOR FIG. Page Page 30RA010-018AQUA SNAP Fig. 3 — Wiring Schematic 30RA010-018SEE NOTE SEE NOTE AQUA-SNAPLOW VOLTAGE CONTROL SCHEMATICFig. 3 - Wiring Schematic 30RA010-018cont 30RA022-030AQUA SNAP Fig. 4 - Wiring Schematic 30RA022-030AQUA-SNAPLOW VOLTAGE CONTROL SCHEMATIC Fig. 4 - Wiring Schematic 30RA022-030cont30RA032-040AQUA SNAP Fig. 5 — Wiring Schematic 30RA032-040AQUA-SNAPLOW VOLTAGE CONTROL SCHEMATIC Fig. 5 — Wiring Schematic 30RA032-040cont30RA042-055AQUA SNAP Fig. 6 — Wiring Schematic 30RA042-055AQUA-SNAPLOW VOLTAGE CONTROL SCHEMATIC Fig. 6 — Wiring Schematic 30RA042-055contESCAPEENTER Fig. 7 — Main Base BoardREMOTE CONTACT SW1 OFF ENABLE OFF SW2 ON MODEFig. 9 — Typical Space Temperature Sensor Wiring CEPL130351 Fig. 11 - Energy Management Module100/100 Fig. 12 — Deadband Multiplier Fig. 14 — 30RA Condenser Fan Sequence Fig. 13 — Operating Envelope forR-22Maneurop Compressor Cooling Set Point Select and control circuit power must be on Service Test See Table 11 — Both main powerTable 8 — Control Methods and Cooling Set Points Fig. 16 — Scrolling Marquee DisplayOptional Factory-InstalledHydronic Package — •Cooler Pump Control CPC Configuration, OPT1 ON Table 9 — Marquee Display Menu Structure Fig. 17 — Dual Chiller Thermistor LocationTable 10 — Run Status Mode and Sub-ModeDirectory SUB-MODE Table 12 - Temperature Mode and Sub-ModeDirectory Table 15 — Inputs Mode and Sub-ModeDirectory Table 13 — Pressure Mode and Sub-ModeDirectoryTable 14 — Set Point and Sub-ModeDirectory SUB-MODE Table 16 — Outputs Mode and Sub-ModeDirectoryKEYPAD DISPLAYKEYPAD SUB-MODEITEM DISPLAYKEYPAD SUB-MODEITEM DISPLAYTable 18 — Time Clock Mode and Sub-ModeDirectory PER.3 SUB-MODE Table 19 — Operating Mode and Sub-ModeDirectory Table 20 — Alarms Mode and Sub-ModeDirectoryITEM SUB-MODEKEYPAD ENTRY DISPLAYRSET DISP Table 23 — Operating Modes Table 25A — 4-20mA Reset Table 24 — Example of Reading and Clearing AlarmsTable 26B — Configuring Return Temperature Reset Temperature Control — No Reset Fig. 18 — Standard Chilled FluidFig. 19 — Outdoor-AirTemperature Reset Fig. 20 — Space Temperature ResetFig. 21B — Cooling Set Point 4 to 20 mA Fig. 21A — 4- to 20-mADemand LimitingTable 27 — Configuring Demand Limit TROUBLESHOOTINGand fluid tubing Table 28 — TroubleshootingRecommended that system be filled with an appro FU — Fuse GND — Ground Fig. 22 — Component Arrangement — 30RA010-030FU — Fuse GND — Ground Fig. 23 — Component Arrangement — 30RA032-040FU — Fuse GND — Ground Fig. 24 — Component Arrangement — 30RA042-055NOTES LEGEND Table 29 — Alarm and Alert Codes Table 29 - Alarm and Alert Codes cont ALARM Table 29 — Alarm and Alert Codes contALARM Table 29 — Alarm and Alert Codes contALARM Table 29 — Alarm and Alert Codes contCompressor Replacement Refer to Fig SERVICETable 30 - Unit Torque Specification Electronic ComponentsFig. 27 — Typical Compressor Mounting — All Sizes Fig. 28 — Compressor WiringFig. 29 — Compressor Location — 30RA010-030 Fig. 30 — Compressor Location — 30RA032-055Table 31 - Oil Charge Condenser Section and CoilsCheck Refrigerant Feed Components Fig. 31 — 30RA Access PanelsFig. 32 — Condenser-FanMounting Fig. 33 — Condenser-FanPosition Standard FanSwitch Fixed Table 32 — Factory Settings, High-PressureCompressor and Unit Protective Devices Check Unit SafetiesCOOLER FREEZE-UPPROTECTION TEMP TEMP For Thermistor T10 For Thermistor T10 Fig. 36 — Thermistor Connections to Main Base Board, J8 ConnectorFig. 35 — Fluid-SideTemperature Sensors T1 and T2 PROGRAMMING Mode •P51: SOFTWARE version Table 37 - Fault Codes•P50: FAULT HISTORY — Last 8 faults PARAMETERS Table 39 — Replacement Modules Minimum Loop Volume MAINTENANCEPRE-START-UP System CheckOperating Limitations Standard 30RA Units OPERATION SEQUENCETable 41 — Temperature Limits for SCN Tables A_UNIT General Unit Parameters APPENDIX ACIRCADIO Circuit A Discrete Inputs/Outputs CIRCA_AN Circuit A Analog ParametersOPTIONS Unit Parameters CIRCBDIO Circuit B Discrete Inputs/OutputsCIRCB_AN Circuit B Analog Parameters DISPLAY Marquee Display SETUP ALARMDEF Alarm Definition TableDUALCHIL Dual Chiller Configuration Settings BRODEFS Broadcast POC Definition TableOPTIONS2 Options 2 Configuration OPTIONS1 Options 1 ConfigurationSETPOINT SCHEDOVR Timed Override SetupRESETCON Temperature Reset and Demand Limit MAINTENANCE ALARMS: Maintenance DisplayUNIT DUALCHIL: Maintenance Display CURRMODS: Maintenance DisplayLOADFACT: Maintenance Display LEARNFNS Maintenance DisplayPM-STRN Maintenance Display PM-COIL:Maintenance DisplayPM-PUMP:Maintenance Display RUNTEST: Maintenance Display VERSIONS: Maintenance Display STRTHOUR Maintenance DisplayTESTMODE: Maintenance Display WSMDEFME: Maintenance Display AND MANUAL STARTERS FACTORY SETTINGS FOR COMPRESSOR, FAN, PUMPAPPENDIX B FACTORY SETTINGS FOR COMPRESSOR, FAN, PUMP AND MANUAL STARTERS contDataPort, DataLink, BAClink Object Definition APPENDIX CSETPOINT OPTIONSRemove and use for Job File I.Project Information START-UPCHECKLIST FOR 30RA LIQUID CHILLERII. Preliminary Equipment Check Design InformationStart and Operate Machine. Complete the Following III. Unit Start-UpCL-3 CL-4 Record Software Versions MODE — RUN STATUSCOMMENTS III.Unit Start-Upcont UNIT Configuration SettingsOPTIONS1 Options Configuration RSET Reset Configuration Settings OPTIONS2 Options ConfigurationIII.Unit Start-Upcont CL-6III.Unit Start-Upcont SLCT Setpoint and Ramp Load ConfigurationSETPOINT CL-7III.Unit Start-Upcont Service Test Mode and Sub-ModeDirectory