Component Arrangement — 30RA042-055 | Sterling 30RA010-055 manual

Fig. 24 — Component Arrangement — 30RA042-055

LEGEND

C— Contactor, Compressor

CB — Circuit Breaker

CHC — Cooler/Pump Heater Contactor CWP — Chilled Water Pump

EMM — Energy Management

FC — Fan Contactor

FIOP — Factory-Installed Option

FU — Fuse GND — Ground

MBB — Main Base Board

MM — Motormaster®

MMPT — Motormaster Pressure Transducer

MS — Manual Starter

NEC — National Electrical Code

SW — Switch

TB — Terminal Block TRAN — Transformer

Factory Wiring

Field Wiring

Accessory or Option Wiring

Fig. 24 — Component Arrangement — 30RA042-055

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Image 50

Sterling 30RA010-055 manual Component Arrangement — 30RA042-055, FU — Fuse GND — Ground

Contents

SAFETY CONSIDERATIONS CONTENTS GENERAL Sterlco Comfort Network SCN Interface — MAJOR SYSTEM COMPONENTSControl Module Communication Table 1 — Unit Sizes Table 2 — Thermistor Designations Table 3 — Status SwitchesTable 5 - SCN Communication Bus Wiring Table 4 - Output Relays LEGEND FOR FIG. Page Page Fig. 3 — Wiring Schematic 30RA010-018 30RA010-018AQUA SNAP SEE NOTE SEE NOTE AQUA-SNAPLOW VOLTAGE CONTROL SCHEMATICFig. 3 - Wiring Schematic 30RA010-018cont Fig. 4 - Wiring Schematic 30RA022-030 30RA022-030AQUA SNAP Fig. 4 - Wiring Schematic 30RA022-030cont AQUA-SNAPLOW VOLTAGE CONTROL SCHEMATIC Fig. 5 — Wiring Schematic 30RA032-040 30RA032-040AQUA SNAP Fig. 5 — Wiring Schematic 30RA032-040cont AQUA-SNAPLOW VOLTAGE CONTROL SCHEMATIC Fig. 6 — Wiring Schematic 30RA042-055 30RA042-055AQUA SNAP Fig. 6 — Wiring Schematic 30RA042-055cont AQUA-SNAPLOW VOLTAGE CONTROL SCHEMATIC REMOTE CONTACT SW1 OFF ENABLE OFF SW2 ON Fig. 7 — Main Base BoardESCAPEENTER MODE Fig. 9 — Typical Space Temperature Sensor Wiring Fig. 11 - Energy Management Module CEPL130351 100/100 Fig. 12 — Deadband Multiplier Fig. 14 — 30RA Condenser Fan Sequence Fig. 13 — Operating Envelope forR-22Maneurop Compressor Cooling Set Point Select Table 8 — Control Methods and Cooling Set Points Service Test See Table 11 — Both main powerand control circuit power must be on Fig. 16 — Scrolling Marquee Display Optional Factory-InstalledHydronic Package — •Cooler Pump Control CPC Configuration, OPT1 ON Fig. 17 — Dual Chiller Thermistor Location Table 9 — Marquee Display Menu Structure Table 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 KEYPAD Table 16 — Outputs Mode and Sub-ModeDirectorySUB-MODE DISPLAY ITEM SUB-MODEKEYPAD DISPLAY ITEM SUB-MODEKEYPAD DISPLAY Table 18 — Time Clock Mode and Sub-ModeDirectory PER.3 SUB-MODE Table 20 — Alarms Mode and Sub-ModeDirectory Table 19 — Operating Mode and Sub-ModeDirectory KEYPAD ENTRY SUB-MODEITEM DISPLAY RSET DISP Table 23 — Operating Modes Table 24 — Example of Reading and Clearing Alarms Table 25A — 4-20mA Reset Table 26B — Configuring Return Temperature Reset Fig. 19 — Outdoor-AirTemperature Reset Fig. 18 — Standard Chilled FluidTemperature Control — No Reset Fig. 20 — Space Temperature Reset Fig. 21A — 4- to 20-mADemand Limiting Fig. 21B — Cooling Set Point 4 to 20 mA TROUBLESHOOTING Table 27 — Configuring Demand Limit and fluid tubing Table 28 — TroubleshootingRecommended that system be filled with an appro Fig. 22 — Component Arrangement — 30RA010-030 FU — Fuse GND — Ground Fig. 23 — Component Arrangement — 30RA032-040 FU — Fuse GND — Ground Fig. 24 — Component Arrangement — 30RA042-055 FU — Fuse GND — Ground NOTES LEGEND Table 29 — Alarm and Alert Codes Table 29 - Alarm and Alert Codes cont Table 29 — Alarm and Alert Codes cont ALARM Table 29 — Alarm and Alert Codes cont ALARM Table 29 — Alarm and Alert Codes cont ALARM Table 30 - Unit Torque Specification SERVICECompressor Replacement Refer to Fig Electronic Components Fig. 29 — Compressor Location — 30RA010-030 Fig. 28 — Compressor WiringFig. 27 — Typical Compressor Mounting — All Sizes Fig. 30 — Compressor Location — 30RA032-055 Condenser Section and Coils Table 31 - Oil Charge Fig. 32 — Condenser-FanMounting Fig. 31 — 30RA Access PanelsCheck Refrigerant Feed Components Fig. 33 — Condenser-FanPosition Standard Fan Compressor and Unit Protective Devices Table 32 — Factory Settings, High-PressureSwitch Fixed Check Unit Safeties COOLER 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 PRE-START-UP MAINTENANCEMinimum Loop Volume System Check Operating Limitations Standard 30RA Units OPERATION SEQUENCETable 41 — Temperature Limits for CIRCADIO Circuit A Discrete Inputs/Outputs APPENDIX ASCN Tables A_UNIT General Unit Parameters CIRCA_AN Circuit A Analog Parameters OPTIONS Unit Parameters CIRCBDIO Circuit B Discrete Inputs/OutputsCIRCB_AN Circuit B Analog Parameters DUALCHIL Dual Chiller Configuration Settings ALARMDEF Alarm Definition TableDISPLAY Marquee Display SETUP BRODEFS Broadcast POC Definition Table OPTIONS1 Options 1 Configuration OPTIONS2 Options 2 Configuration SETPOINT SCHEDOVR Timed Override SetupRESETCON Temperature Reset and Demand Limit MAINTENANCE ALARMS: Maintenance DisplayUNIT CURRMODS: Maintenance Display DUALCHIL: Maintenance Display LEARNFNS Maintenance Display LOADFACT: Maintenance Display PM-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 AND MANUAL STARTERS cont FACTORY SETTINGS FOR COMPRESSOR, FAN, PUMP APPENDIX C DataPort, DataLink, BAClink Object Definition OPTIONS SETPOINT II. Preliminary Equipment Check START-UPCHECKLIST FOR 30RA LIQUID CHILLERRemove and use for Job File I.Project Information Design Information III. Unit Start-Up Start and Operate Machine. Complete the Following CL-3 CL-4 Record Software Versions MODE — RUN STATUSCOMMENTS III.Unit Start-Upcont UNIT Configuration SettingsOPTIONS1 Options Configuration III.Unit Start-Upcont OPTIONS2 Options ConfigurationRSET Reset Configuration Settings CL-6 SETPOINT SLCT Setpoint and Ramp Load ConfigurationIII.Unit Start-Upcont CL-7 Service Test Mode and Sub-ModeDirectory III.Unit Start-Upcont