Sterling 30RA010-055 manual Appendix A, SCN Tables A_UNIT General Unit Parameters

Page 77

APPENDIX A

SCN Tables

A_UNIT (General Unit Parameters)

DESCRIPTION		VALUE	UNITS	POINT NAME	FORCEABLE
Control Mode	0	= Test		STAT	N
	1	= Local Off
	2	= SCN Off
	3	= Clock Off
	4 = Emergency Stop
	5	= Local On
	6	= SCN On
	7	= Clock On
	8	= Heat Enabled
	9	= Pump Delay
Occupied	No/Yes			OCC	N
SCN Chiller	Start/Stop			CHIL_S_S	Y
Low Sound Active	No/Yes			LSACTIVE	N
Alarm State	Normal/Alert/Alarm			ALM	N
Active Demand Limit	0 to 100		%	DEM_LIM	Y
Override Modes in Effect	No/Yes			MODE	N
Percent Total Capacity	0 to 100		%	CAP_T	N
Requested Stage	0 to 99			STAGE	N
Active Set Point	–20 to 70		°F	SP	N
Control Point	–20 to 70		°F	CTRL_PNT	Y
Entering Fluid Temp	snnn.n		°F	EWT	N
Leaving Fluid Temp	snnn.n		°F	LWT	N
Emergency Stop	Enable/Emstop		Enable	EMSTOP	Y
Minutes Left for Start	00:00 to 15:00		minutes	MIN_LEFT	N
PUMPS
Cooler Pump Relay 1	Off/On			COOLPMP1	N
Cooler Pump Relay 2	Off/On			COOLPMP2	N
Cooler Pump 1 Interlock	Open/Close			PMP1_FBK	N
Cooler Pump 2 Interlock	Open/Close			PMP2_FBK	N
Cooler Flow Switch	Open/Close			COOLFLOW	N
Rotate Cooler Pumps Now	No/Yes			ROT_PUMP

Heat/Cool Select	Heat/Cool			HC_SEL	N

CIRCADIO (Circuit A Discrete Inputs/Outputs)

DESCRIPTION	VALUE	UNITS	POINT NAME	FORCEABLE
CIRC. A DISCRETE OUTPUTS
Compressor A1 Relay	On/Off		K_A1_RLY	N
Compressor A2 Relay	On/Off		K_A2_RLY	N
Minimum Load Valve Relay	On/Off		MLV_RLY	N

CIRC. A DISCRETE INPUTS
Compressor A1 Feedback	On/Off		K_A1_FBK	N
Compressor A2 Feedback	On/Off		K_A2_FBK	N

CIRCA_AN (Circuit A Analog Parameters)

DESCRIPTION	VALUE	UNITS	POINT NAME	FORCEABLE
CIRCUIT A ANALOG VALUES
Percent Total Capacity	0-100	%	CAPA_T	N
Percent Available Cap.	0-100	%	CAPA_A	N
Discharge Pressure	nnn.n	PSIG	DP_A	N
Suction Pressure	nnn.n	PSIG	SP_A	N
Calculated HP Setpoint A	nnn.n	°F	HSP_A	N
Saturated Condensing Tmp	snnn.n	°F	TMP_SCTA	N
Saturated Suction Temp	snnn.n	°F	TMP_SSTA	N
Compr Return Gas Temp	snnn.n	°F	TMP_RGTA	N
Suction Superheat Temp	snnn.n	∆F	SH_A	N

77

Image 77

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