Main Base Board, Escapeenter, Mode, CB1 CB2 | Sterling 30RA010-055

Fig. 7 — Main Base Board

RED LED - STATUS	GREEN LED -	YELLOW LED -
	LEN (LOCAL EQUIPMENT NETWORK)	SCN (STERLCO COMFORT NETWORK)
		INSTANCE JUMPER

		CEPL130346-01
			K11	K10	K9
J1	J2	K8	K7	K6	K5
J1	J2	STATUS
J4	J3	LEN			J10
	J3

		K4	K3	K2	K1
		SCN
	J5
J6
	J7	J8			J9

Fig. 7 — Main Base Board

MODE
Run Status
Service Test
Temperature
Pressures
Setpoints
Inputs	Alarm Status
Outputs	ESCAPE ENTER
Configuration	ESCAPE ENTER
Time Clock
Operating Modes
Alarms

REMOTE

CONTACT

SW1 OFF

ENABLE

OFF

SW2

ON

CB1

CB2

		ENABLE/OFF/REMOTE
		CONTACT SWITCH
	TB3
N
LE
CS
N
	(+)
CN	(COM)	COMMUNICATIONS
		SCN
	(-)
	SHIELD

EMERGENCY

ON/OFF SWITCH

Fig. 8 — LEN/SCN Interface, Enable/Off/Remote Contact Switch, and Emergency On/Off Switch Locations

16

Image 16

Sterling 30RA010-055 manual Main Base Board, Escapeenter, Mode, CB1 CB2, REMOTE CONTACT SW1 OFF ENABLE OFF SW2 ON

Contents

SAFETY CONSIDERATIONS CONTENTS GENERAL MAJOR SYSTEM COMPONENTS Control Module CommunicationSterlco Comfort Network SCN Interface — Table 1 — Unit Sizes Table 3 — Status Switches Table 5 - SCN Communication Bus WiringTable 2 — Thermistor Designations 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 Fig. 7 — Main Base Board ESCAPEENTERREMOTE CONTACT SW1 OFF ENABLE OFF SW2 ON 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 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 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 Table 16 — Outputs Mode and Sub-ModeDirectory SUB-MODEKEYPAD DISPLAY SUB-MODE KEYPADITEM DISPLAY SUB-MODE KEYPADITEM 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 SUB-MODE ITEMKEYPAD ENTRY 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. 18 — Standard Chilled Fluid Temperature Control — No ResetFig. 19 — Outdoor-AirTemperature 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 SERVICE Compressor Replacement Refer to FigTable 30 - Unit Torque Specification Electronic Components Fig. 28 — Compressor Wiring Fig. 27 — Typical Compressor Mounting — All SizesFig. 29 — Compressor Location — 30RA010-030 Fig. 30 — Compressor Location — 30RA032-055 Condenser Section and Coils Table 31 - Oil Charge Fig. 31 — 30RA Access Panels Check Refrigerant Feed ComponentsFig. 32 — Condenser-FanMounting Fig. 33 — Condenser-FanPosition Standard Fan Table 32 — Factory Settings, High-Pressure Switch FixedCompressor and Unit Protective Devices 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 MAINTENANCE Minimum Loop VolumePRE-START-UP System Check Operating 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 Parameters CIRCB_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 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 START-UPCHECKLIST FOR 30RA LIQUID CHILLER Remove and use for Job File I.Project InformationII. Preliminary Equipment Check 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 OPTIONS2 Options Configuration RSET Reset Configuration SettingsIII.Unit Start-Upcont CL-6 SLCT Setpoint and Ramp Load Configuration III.Unit Start-UpcontSETPOINT CL-7 Service Test Mode and Sub-ModeDirectory III.Unit Start-Upcont