Sterling 30RA010-055 manual For Thermistor T10

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Table 36 — 10K Thermistor Temperature (°C) vs. Resistance/Voltage Drop

(For Thermistor T10)

TEMP	VOLTAGE	RESISTANCE		TEMP	VOLTAGE	RESISTANCE		TEMP	VOLTAGE	RESISTANCE
TEMP	DROP	RESISTANCE		TEMP	DROP	RESISTANCE		TEMP	DROP	RESISTANCE
(C)	DROP	(Ohms)		(C)	DROP	(Ohms)		(C)	DROP	(Ohms)
(C)	(V)	(Ohms)		(C)	(V)	(Ohms)		(C)	(V)	(Ohms)
	(V)				(V)				(V)
–32	4.762	200,510		15	3.056	15,714		62	0.940	2,315
–31	4.748	188,340	16		3.000	15,000	63		0.913	2,235
–30	4.733	177,000	17		2.944	14,323	64		0.887	2,157
–29	4.716	166,342	18		2.889	13,681	65		0.862	2,083
–28	4.700	156,404	19		2.833	13,071	66		0.837	2,011
–27	4.682	147,134	20		2.777	12,493	67		0.813	1,943
–26	4.663	138,482	21		2.721	11,942	68		0.790	1,876
–25	4.644	130,402	22		2.666	11,418	69		0.767	1,813
–24	4.624	122,807	23		2.610	10,921	70		0.745	1,752
–23	4.602	115,710	24		2.555	10,449	71		0.724	1,693
–22	4.580	109,075	25		2.500	10,000	72		0.703	1,637
–21	4.557	102,868	26		2.445	9,571	73		0.683	1,582
–20	4.533	97,060	27		2.391	9,164	74		0.663	1,530
–19	4.508	91,588	28		2.337	8,776	75		0.645	1,480
–18	4.482	86,463	29		2.284	8,407	76		0.626	1,431
–17	4.455	81,662	30		2.231	8,056	77		0.608	1,385
–16	4.426	77,162	31		2.178	7,720	78		0.591	1,340
–15	4.397	72,940	32		2.127	7,401	79		0.574	1,297
–14	4.367	68,957	33		2.075	7,096	80		0.558	1,255
–13	4.335	65,219	34		2.025	6,806	81		0.542	1,215
–12	4.303	61,711	35		1.975	6,530	82		0.527	1,177
–11	4.269	58,415	36		1.926	6,266	83		0.512	1,140
–10	4.235	55,319	37		1.878	6,014	84		0.497	1,104
–9	4.199	52,392	38		1.830	5,774	85		0.483	1,070
–8	4.162	49,640	39		1.784	5,546	86		0.470	1,037
–7	4.124	47,052	40		1.738	5,327	87		0.457	1,005
–6	4.085	44,617	41		1.692	5,117	88		0.444	974
–5	4.044	42,324	42		1.648	4,918	89		0.431	944
–4	4.003	40,153	43		1.605	4,727	90		0.419	915
–3	3.961	38,109	44		1.562	4,544	91		0.408	889
–2	3.917	36,182	45		1.521	4,370	92		0.396	861
–1	3.873	34,367	46		1.480	4,203	93		0.386	836
0	3.828	32,654	47		1.439	4,042	94		0.375	811
1	3.781	31,030	48		1.400	3,889	95		0.365	787
2	3.734	29,498	49		1.362	3,743	96		0.355	764
3	3.686	28,052	50		1.324	3,603	97		0.345	742
4	3.637	26,686	51		1.288	3,469	98		0.336	721
5	3.587	25,396	52		1.252	3,340	99		0.327	700
6	3.537	24,171	53		1.217	3,217	100		0.318	680
7	3.485	23,013	54		1.183	3,099	101		0.310	661
8	3.433	21,918	55		1.150	2,986	102		0.302	643
9	3.381	20,883	56		1.117	2,878	103		0.294	626
10	3.328	19,903	57		1.086	2,774	104		0.287	609
11	3.274	18,972	58		1.055	2,675	105		0.279	592
12	3.220	18,090	59		1.025	2,579	106		0.272	576
13	3.165	17,255	60		0.996	2,488	107		0.265	561
14	3.111	16,464		61	0.968	2,400

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Contents SAFETY CONSIDERATIONS GENERAL CONTENTSTable 1 — Unit Sizes MAJOR SYSTEM COMPONENTSControl Module Communication Sterlco Comfort Network SCN Interface —Table 4 - Output Relays Table 3 — Status SwitchesTable 5 - SCN Communication Bus Wiring Table 2 — Thermistor DesignationsLEGEND FOR FIG. Page Page 30RA010-018AQUA SNAP Fig. 3 — Wiring Schematic 30RA010-018Fig. 3 - Wiring Schematic 30RA010-018cont AQUA-SNAPLOW VOLTAGE CONTROL SCHEMATICSEE NOTE SEE NOTE 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 30RA042-055contMODE Fig. 7 — Main Base BoardESCAPEENTER REMOTE CONTACT SW1 OFF ENABLE OFF SW2 ONFig. 9 — Typical Space Temperature Sensor Wiring CEPL130351 Fig. 11 - Energy Management Module100/100 Fig. 12 — Deadband Multiplier R-22Maneurop Compressor Fig. 13 — Operating Envelope forFig. 14 — 30RA Condenser Fan Sequence Cooling Set Point Select Fig. 16 — Scrolling Marquee Display Service Test See Table 11 — Both main powerand control circuit power must be on Table 8 — Control Methods and Cooling Set PointsOptional 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 14 — Set Point and Sub-ModeDirectory Table 13 — Pressure Mode and Sub-ModeDirectoryTable 15 — Inputs Mode and Sub-ModeDirectory DISPLAY Table 16 — Outputs Mode and Sub-ModeDirectorySUB-MODE KEYPADDISPLAY SUB-MODEKEYPAD ITEMDISPLAY SUB-MODEKEYPAD ITEMTable 18 — Time Clock Mode and Sub-ModeDirectory PER.3 SUB-MODE Table 19 — Operating Mode and Sub-ModeDirectory Table 20 — Alarms Mode and Sub-ModeDirectoryDISPLAY SUB-MODEITEM KEYPAD ENTRYRSET DISP Table 23 — Operating Modes Table 25A — 4-20mA Reset Table 24 — Example of Reading and Clearing AlarmsTable 26B — Configuring Return Temperature Reset Fig. 20 — Space Temperature Reset Fig. 18 — Standard Chilled FluidTemperature Control — No Reset Fig. 19 — Outdoor-AirTemperature ResetFig. 21B — Cooling Set Point 4 to 20 mA Fig. 21A — 4- to 20-mADemand LimitingTable 27 — Configuring Demand Limit TROUBLESHOOTINGRecommended that system be filled with an appro Table 28 — Troubleshootingand fluid tubing 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 contElectronic Components SERVICECompressor Replacement Refer to Fig Table 30 - Unit Torque SpecificationFig. 30 — Compressor Location — 30RA032-055 Fig. 28 — Compressor WiringFig. 27 — Typical Compressor Mounting — All Sizes Fig. 29 — Compressor Location — 30RA010-030Table 31 - Oil Charge Condenser Section and CoilsFig. 33 — Condenser-FanPosition Standard Fan Fig. 31 — 30RA Access PanelsCheck Refrigerant Feed Components Fig. 32 — Condenser-FanMountingCheck Unit Safeties Table 32 — Factory Settings, High-PressureSwitch Fixed Compressor and Unit Protective DevicesCOOLER 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 System Check MAINTENANCEMinimum Loop Volume PRE-START-UPOperating Limitations Table 41 — Temperature Limits for OPERATION SEQUENCEStandard 30RA Units CIRCA_AN Circuit A Analog Parameters APPENDIX ASCN Tables A_UNIT General Unit Parameters CIRCADIO Circuit A Discrete Inputs/OutputsCIRCB_AN Circuit B Analog Parameters CIRCBDIO Circuit B Discrete Inputs/OutputsOPTIONS Unit Parameters BRODEFS Broadcast POC Definition Table ALARMDEF Alarm Definition TableDISPLAY Marquee Display SETUP DUALCHIL Dual Chiller Configuration SettingsOPTIONS2 Options 2 Configuration OPTIONS1 Options 1 ConfigurationRESETCON Temperature Reset and Demand Limit SCHEDOVR Timed Override SetupSETPOINT UNIT ALARMS: Maintenance DisplayMAINTENANCE DUALCHIL: Maintenance Display CURRMODS: Maintenance DisplayLOADFACT: Maintenance Display LEARNFNS Maintenance DisplayPM-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 FACTORY SETTINGS FOR COMPRESSOR, FAN, PUMP AND MANUAL STARTERS contDataPort, DataLink, BAClink Object Definition APPENDIX CSETPOINT OPTIONSDesign Information START-UPCHECKLIST FOR 30RA LIQUID CHILLERRemove and use for Job File I.Project Information II. Preliminary Equipment CheckStart and Operate Machine. Complete the Following III. Unit Start-UpCL-3 COMMENTS Record Software Versions MODE — RUN STATUSCL-4 OPTIONS1 Options Configuration UNIT Configuration SettingsIII.Unit Start-Upcont CL-6 OPTIONS2 Options ConfigurationRSET Reset Configuration Settings III.Unit Start-UpcontCL-7 SLCT Setpoint and Ramp Load ConfigurationIII.Unit Start-Upcont SETPOINTIII.Unit Start-Upcont Service Test Mode and Sub-ModeDirectory