III. Unit Start-Up | Sterling 30RA010-055 guide

5. CHILLED WATER PUMP STARTER INTERLOCKED WITH CHILLER.

YES

NO

6. CHILLED WATER FLOW SWITCH IS OPERATIONAL.

YES

NO

7. WATER LOOP VOLUME GREATER THAN MINIMUM REQUIREMENTS. (See Table 40).

YES

NO

8. PROPER LOOP FREEZE PROTECTION PROVIDED TO _____ °F (°C).

YES

NO

ANTIFREEZE TYPE _____________________ CONCENTRATION __________%.

IF OUTDOOR AMBIENT IS BELOW 32 F (0° C) THEN ITEMS 9-11 HAVE TO BE

COMPLETED TO PROVIDE COOLER FREEZE PROTECTION TO –20 F (–29 C). (REFER

TO WINTER SHUTDOWN FOR PROPER COOLER WINTERIZATION PROCEDURE.)

9. OUTDOOR PIPING WRAPPED WITH ELECTRIC HEATER TAPE,

YES

NO

INSULATED AND OPERATIONAL.

10. COOLER HEATERS INSTALLED AND OPERATIONAL.

YES

NO

11. CHILLED WATER PUMP CONTROLLED BY CHILLER.

YES

NO

III. Unit Start-Up

1. COMPRESSOR OIL LEVEL IS CORRECT.

YES

NO

2. VERIFY COMPRESSOR MOUNTING BOLT TORQUE IS 10-14 FT-LB. (13.5-18.9 N-M).

YES

NO

3. LEAK CHECK UNIT. LOCATE, REPAIR AND REPORT ANY REFRIGERANT LEAKS.

YES

NO

4. VOLTAGE IS WITHIN UNIT NAMEPLATE RANGE.

YES

NO

5. CONTROL TRANSFORMER PRIMARY CONNECTION SET FOR PROPER VOLTAGE.

YES

NO

6. CONTROL TRANSFORMER SECONDARY VOLTAGE =

7. CHECK VOLTAGE IMBALANCE:

A-B

A-C

B-C

AVERAGE VOLTAGE =

(A-B + A-C + B-C)/3

MAXIMUM DEVIATION FROM AVERAGE VOLTAGE =

VOLTAGE IMBALANCE = ____________% (MAX. DEVIATION/AVERAGE VOLTAGE) X 100

VOLTAGE IMBALANCE LESS THAN 2%.

YES

NO

(DO NOT START CHILLER IF VOLTAGE IMBALANCE IS GREATER THAN 2%.

CONTACT LOCAL UTILITY FOR ASSISTANCE.)

8. VERIFY COOLER FLOW RATE.

YES

NO

PRESSURE ENTERING COOLER

________ psig (kPa)

PRESSURE LEAVING COOLER

________ psig (kPa)

COOLER PRESSURE DROP

________ psig (kPa)

Psig X 2.31 ft./psi =

________ ft of water

kPa X 0.334 m/psi

________ m of water

COOLER FLOW RATE

________ gpm (l/s) (See Cooler Pressure

Drop Curves from

Installation, Start-up and

Service Instructions)

Start and Operate Machine. Complete the Following:

1. COMPLETE COMPONENT TEST.

YES

NO

2. CHECK REFRIGERANT AND OIL CHARGE.

YES

NO

3. RECORD COMPRESSOR MOTOR CURRENT.

YES

NO

4. RECORD CONFIGURATION SETTINGS.

YES

NO

5. RECORD OPERATING TEMPERATURES AND PRESSURES.

YES

NO

6. PROVIDE OPERATING INSTRUCTIONS TO OWNER’S PERSONNEL.

Instruction Time ________ hours.

CL-2

Image 94

Sterling 30RA010-055 manual III. Unit Start-Up, Start and Operate Machine. Complete the Following

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 Fig. 3 - Wiring Schematic 30RA010-018cont AQUA-SNAPLOW VOLTAGE CONTROL SCHEMATICSEE NOTE SEE NOTE 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 R-22Maneurop Compressor Fig. 13 — Operating Envelope forFig. 14 — 30RA Condenser Fan Sequence 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 14 — Set Point and Sub-ModeDirectory Table 13 — Pressure Mode and Sub-ModeDirectoryTable 15 — Inputs Mode 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 Recommended that system be filled with an appro Table 28 — Troubleshootingand fluid tubing 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. 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 PRE-START-UP MAINTENANCEMinimum Loop Volume System Check Operating Limitations Table 41 — Temperature Limits for OPERATION SEQUENCEStandard 30RA Units CIRCADIO Circuit A Discrete Inputs/Outputs APPENDIX ASCN Tables A_UNIT General Unit Parameters CIRCA_AN Circuit A Analog Parameters CIRCB_AN Circuit B Analog Parameters CIRCBDIO Circuit B Discrete Inputs/OutputsOPTIONS Unit 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 RESETCON Temperature Reset and Demand Limit SCHEDOVR Timed Override SetupSETPOINT UNIT ALARMS: Maintenance DisplayMAINTENANCE CURRMODS: Maintenance Display DUALCHIL: Maintenance Display LEARNFNS Maintenance Display LOADFACT: Maintenance Display PM-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, 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 COMMENTS Record Software Versions MODE — RUN STATUSCL-4 OPTIONS1 Options Configuration UNIT Configuration SettingsIII.Unit Start-Upcont 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