Temp | Sterling 30RA010-055 manual

Table 34 — 5K Thermistor Temperatures (°C) vs. Resistance/Voltage Drop

(Voltage Drop for Entering, Leaving Water and Outside-Air Thermistors T1, T2, T9)

	TEMP	VOLTAGE	RESISTANCE
	TEMP	DROP	RESISTANCE
	(C)	DROP	(Ohms)
	(C)	(V)	(Ohms)
		(V)
	–32	3.705	100,260
	–31	3.687	94,165
	–30	3.668	88,480
	–29	3.649	83,170
	–28	3.629	78,125
	–27	3.608	73,580
	–26	3.586	69,250
	–25	3.563	65,205
	–24	3.539	61,420
	–23	3.514	57,875
	–22	3.489	54,555
	–21	3.462	51,450
	–20	3.434	48,536
	–19	3.406	45,807
	–18	3.376	43,247
	–17	3.345	40,845
	–16	3.313	38,592
	–15	3.281	38,476
	–14	3.247	34,489
	–13	3.212	32,621
	–12	3.177	30,866
	–11	3.140	29,216
	–10	3.103	27,633
	–9	3.065	26,202
	–8	3.025	24,827
	–7	2.985	23,532
	–6	2.945	22,313
	–5	2.903	21,163
	–4	2.860	20,079
	–3	2.817	19,058
	–2	2.774	18,094
	–1	2.730	17,184
	0	2.685	16,325
	1	2.639	15,515
	2	2.593	14,749
	3	2.547	14,026
	4	2.500	13,342
	5	2.454	12,696
	6	2.407	12,085
	7	2.360	11,506
	8	2.312	10,959
	9	2.265	10,441
	10	2.217	9,949
	11	2.170	9,485
	12	2.123	9,044
	13	2.076	8,627
	14	2.029	8,231

	TEMP	VOLTAGE	RESISTANCE
	TEMP	DROP	RESISTANCE
	(C)	DROP	(Ohms)
	(C)	(V)	(Ohms)
		(V)
	15	1.982	7,855
	16	1.935	7,499
	17	1.889	7,161
	18	1.844	6,840
	19	1.799	6,536
	20	1.754	6,246
	21	1.710	5,971
	22	1.666	5,710
	23	1.623	5,461
	24	1.580	5,225
	25	1.538	5,000
	26	1.497	4,786
	27	1.457	4,583
	28	1.417	4,389
	29	1.378	4,204
	30	1.340	4,028
	31	1.302	3,861
	32	1.265	3,701
	33	1.229	3,549
	34	1.194	3,404
	35	1.160	3,266
	36	1.126	3,134
	37	1.093	3,008
	38	1.061	2,888
	39	1.030	2,773
	40	0.999	2,663
	41	0.969	2,559
	42	0.940	2,459
	43	0.912	2,363
	44	0.885	2,272
	45	0.858	2,184
	46	0.832	2,101
	47	0.807	2,021
	48	0.782	1,944
	49	0.758	1,871
	50	0.735	1,801
	51	0.713	1,734
	52	0.691	1,670
	53	0.669	1,609
	54	0.649	1,550
	55	0.629	1,493
	56	0.610	1,439
	57	0.591	1,387
	58	0.573	1,337
	59	0.555	1,290
	60	0.538	1,244
	61	0.522	1,200

	TEMP	VOLTAGE	RESISTANCE
	TEMP	DROP	RESISTANCE
	(C)	DROP	(Ohms)
	(C)	(V)	(Ohms)
		(V)
	62	0.506	1,158
	63	0.490	1,118
	64	0.475	1,079
	65	0.461	1,041
	66	0.447	1,006
	67	0.433	971
	68	0.420	938
	69	0.407	906
	70	0.395	876
	71	0.383	836
	72	0.371	805
	73	0.360	775
	74	0.349	747
	75	0.339	719
	76	0.329	693
	77	0.319	669
	78	0.309	645
	79	0.300	623
	80	0.291	602
	81	0.283	583
	82	0.274	564
	83	0.266	547
	84	0.258	531
	85	0.251	516
	86	0.244	502
	87	0.237	489
	88	0.230	477
	89	0.223	466
	90	0.217	456
	91	0.211	446
	92	0.204	436
	93	0.199	427
	94	0.193	419
	95	0.188	410
	96	0.182	402
	97	0.177	393
	98	0.172	385
	99	0.168	376
	100	0.163	367
	101	0.158	357
	102	0.154	346
	103	0.150	335
	104	0.146	324
	105	0.142	312
	106	0.138	299
	107	0.134	285

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Image 65

Sterling 30RA010-055 manual Temp

Contents

SAFETY CONSIDERATIONS GENERAL CONTENTS Control Module Communication MAJOR SYSTEM COMPONENTSSterlco Comfort Network SCN Interface — Table 1 — Unit Sizes Table 5 - SCN Communication Bus Wiring Table 3 — Status SwitchesTable 2 — Thermistor Designations Table 4 - Output Relays LEGEND FOR FIG. Page Page 30RA010-018AQUA SNAP Fig. 3 — Wiring Schematic 30RA010-018 SEE NOTE SEE NOTE AQUA-SNAPLOW VOLTAGE CONTROL SCHEMATICFig. 3 - Wiring Schematic 30RA010-018cont 30RA022-030AQUA SNAP Fig. 4 - Wiring Schematic 30RA022-030 AQUA-SNAPLOW VOLTAGE CONTROL SCHEMATIC Fig. 4 - Wiring Schematic 30RA022-030cont 30RA032-040AQUA SNAP Fig. 5 — Wiring Schematic 30RA032-040 AQUA-SNAPLOW VOLTAGE CONTROL SCHEMATIC Fig. 5 — Wiring Schematic 30RA032-040cont 30RA042-055AQUA SNAP Fig. 6 — Wiring Schematic 30RA042-055 AQUA-SNAPLOW VOLTAGE CONTROL SCHEMATIC Fig. 6 — Wiring Schematic 30RA042-055cont ESCAPEENTER Fig. 7 — Main Base BoardREMOTE CONTACT SW1 OFF ENABLE OFF SW2 ON MODE Fig. 9 — Typical Space Temperature Sensor Wiring CEPL130351 Fig. 11 - Energy Management Module 100/100 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 Display Optional Factory-InstalledHydronic Package — •Cooler Pump Control CPC Configuration, OPT1 ON Table 9 — Marquee Display Menu Structure Fig. 17 — Dual Chiller Thermistor Location 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 SUB-MODE Table 16 — Outputs Mode and Sub-ModeDirectoryKEYPAD DISPLAY KEYPAD SUB-MODEITEM DISPLAY KEYPAD SUB-MODEITEM DISPLAY Table 18 — Time Clock Mode and Sub-ModeDirectory PER.3 SUB-MODE Table 19 — Operating Mode and Sub-ModeDirectory Table 20 — Alarms Mode and Sub-ModeDirectory ITEM SUB-MODEKEYPAD ENTRY DISPLAY RSET DISP Table 23 — Operating Modes Table 25A — 4-20mA Reset Table 24 — Example of Reading and Clearing Alarms Table 26B — Configuring Return Temperature Reset Temperature Control — No Reset Fig. 18 — Standard Chilled FluidFig. 19 — Outdoor-AirTemperature Reset Fig. 20 — Space Temperature Reset Fig. 21B — Cooling Set Point 4 to 20 mA Fig. 21A — 4- to 20-mADemand Limiting Table 27 — Configuring Demand Limit TROUBLESHOOTING and fluid tubing Table 28 — TroubleshootingRecommended that system be filled with an appro FU — Fuse GND — Ground 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 NOTES LEGEND Table 29 — Alarm and Alert Codes 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 29 — Alarm and Alert Codes cont Compressor Replacement Refer to Fig SERVICETable 30 - Unit Torque Specification Electronic Components Fig. 27 — Typical Compressor Mounting — All Sizes Fig. 28 — Compressor WiringFig. 29 — Compressor Location — 30RA010-030 Fig. 30 — Compressor Location — 30RA032-055 Table 31 - Oil Charge Condenser Section and Coils Check Refrigerant Feed Components Fig. 31 — 30RA Access PanelsFig. 32 — Condenser-FanMounting Fig. 33 — Condenser-FanPosition Standard Fan Switch Fixed Table 32 — Factory Settings, High-PressureCompressor and Unit Protective Devices 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 Minimum Loop Volume MAINTENANCEPRE-START-UP System Check Operating 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 Parameters OPTIONS 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 Table OPTIONS2 Options 2 Configuration OPTIONS1 Options 1 Configuration SETPOINT SCHEDOVR Timed Override SetupRESETCON Temperature Reset and Demand Limit MAINTENANCE ALARMS: Maintenance DisplayUNIT DUALCHIL: Maintenance Display CURRMODS: Maintenance Display LOADFACT: Maintenance Display LEARNFNS 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 FACTORY SETTINGS FOR COMPRESSOR, FAN, PUMP AND MANUAL STARTERS cont DataPort, DataLink, BAClink Object Definition APPENDIX C SETPOINT OPTIONS Remove and use for Job File I.Project Information START-UPCHECKLIST FOR 30RA LIQUID CHILLERII. Preliminary Equipment Check Design Information Start and Operate Machine. Complete the Following III. Unit Start-Up CL-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-6 III.Unit Start-Upcont SLCT Setpoint and Ramp Load ConfigurationSETPOINT CL-7 III.Unit Start-Upcont Service Test Mode and Sub-ModeDirectory