Sterling AquaSnap 30RA010-055 Manuel d'utilisateur

Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations.PC 9

10Fig. 4 — Wiring Schematic 30RA022-03030RA022-030 AQUA SNAP

Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations.PC 9

11Fig. 4 — Wiring Schematic 30RA022-030 (cont)AQUA-SNAP LOW VOLTAGE CONTROL SCHEMATIC (022-030)

12Fig. 5 — Wiring Schematic 30RA032-04030RA032-040 AQUA SNAP

13Fig. 5 — Wiring Schematic 30RA032-040 (cont)AQUA-SNAP LOW VOLTAGE CONTROL SCHEMATIC (032-040)

14Fig. 6 — Wiring Schematic 30RA042-05530RA042-055 AQUA SNAP

15Fig. 6 — Wiring Schematic 30RA042-055 (cont)AQUA-SNAP LOW VOLTAGE CONTROL SCHEMATIC (042-055)

16CEPL130346-01STATUSLENJ1J2J4J3J5J6J7J8J9J10SCNRED LED - STATUS GREEN LED -LEN (LOCAL EQUIPMENT NETWORK)YELLOW LED -SCN (STERLCO COMFORT NETWORK)INST

17Energy Management Module (Fig. 11) — Thisfactory-installed option (FIOP) or field-installed accessory isused for the following types of temperature

18Table 6 — Part Load Data Percent Displacement, Standard Units without Minimum Load ValveNOTE: These capacity steps may vary due to different capacit

19Table 7 — Part Load Data Percent Displacement, Standard Units with Minimum Load Valve*Minimum Load Valve energized.NOTE: These capacity steps may va

2CONTENTSPageSAFETY CONSIDERATIONS. . . . . . . . . . . . . . . . . . . . . . . . . 1GENERAL. . . . . . . . . . . . . . . . . . . . . . . . . . . . .

20MINUTES LEFT FOR START — This value is displayedonly in the network display tables (using Service Tool,ComfortVIEW™ or ComfortWORKS® software) an

21Head Pressure Control — The Main Base Board(MBB) controls the condenser fans to maintain the lowestcondensing temperature possible, and thus the hig

22Operation of Machine Based on ControlMethod and Cooling Set Point Selection Set-tings — Machine On/Off control is determined by theconfiguration of

23Table 8 — Control Methods and Cooling Set Points*Dual set point switch input used. CSP1 used when switch input is open. CSP2 used when switch input

24Optional Factory-Installed Hydronic Package —If the chiller has factory-installed chilled fluid pumps, specificsteps should be followed for proper o

25Opened During Normal Operation Alarm will be generatedand the machine will stop. If the control detects the chilled water pump interlock openfor 25

26As part of a pump maintenance routine, the pumps can bestarted to maintain lubrication to the pump seal. To utilize thisfunction, Cooler Pmp Periodi

27Table 10 — Run Status Mode and Sub-Mode DirectoryNOTE: If the unit has a single circuit, the Circuit B items will not appear in the display, except

28Table 10 — Run Status Mode and Sub-Mode Directory (cont)*Press and simultaneously to obtain version number.SUB-MODEKEYPADENTRYITEM DISPLAY SUB-ITEM

29Table 11 — Service Test Mode and Sub-Mode DirectoryNOTE: If the unit has a single circuit, the Circuit B items will not appear in the display, excep

3Table 1 — Unit Sizes *60 Hz only.†50 Hz only.MAJOR SYSTEM COMPONENTSGeneral — The 30RA air-cooled reciprocating chillerscontain the ComfortLink™ elec

30Table 13 — Pressure Mode and Sub-Mode DirectoryNOTE: If the unit has a single circuit, the Circuit B items will not appear in the display, except th

31Table 16 — Outputs Mode and Sub-Mode DirectoryNOTE: If the unit has a single circuit, the Circuit B items will not appear in the display, except the

32Table 17 — Configuration Mode and Sub-Mode Directory (cont)SUB-MODEKEYPADENTRYITEM DISPLAYITEMEXPANSIONCOMMENTOPT1UNIT OPTIONS 1 HARDWAREFLUD X COOL

33Table 17 — Configuration Mode and Sub-Mode Directory (cont)SUB-MODEKEYPADENTRYITEM DISPLAYITEMEXPANSIONCOMMENTRSET (cont)RM.FXXX.X °FREMOTE - FULL R

34Table 18 — Time Clock Mode and Sub-Mode DirectorySUB-MODEKEYPADENTRYITEM DISPLAY SUB-ITEM DISPLAYITEMEXPANSIONCOMMENTTIME TIME OF DAYHH.MM XX.XX HOU

35Table 18 — Time Clock Mode and Sub-Mode Directory (cont)SUB-MODEKEYPADENTRYITEM DISPLAY SUB-ITEM DISPLAYITEMEXPANSIONCOMMENTSCH.L (cont) PER.3 OCC

36Table 18 — Time Clock Mode and Sub-Mode Directory (cont)SUB-MODEKEYPADENTRYITEM DISPLAY SUB-ITEM DISPLAYITEMEXPANSIONCOMMENTSCH.L (cont) THU.6 YES/N

37Table 19 — Operating Mode and Sub-Mode DirectoryLEGENDTable 20 — Alarms Mode and Sub-Mode DirectorySUB-MODEKEYPADENTRYITEM DISPLAYITEMEXPANSIONCOMME

38Table 21 — Dual Chiller Configuration (Master Chiller Example)SUB-MODE ITEM KEYPAD ENTRY DISPLAY ITEM EXPANSION COMMENTSDISPUNITOPT1OPT2 CTRL CONTRO

39Table 21 — Dual Chiller Configuration (Master Chiller Example) (cont)NOTES:1. Master Control Method (CTRL) can be configured as 0-Switch, 2-Occupanc

4At each system element, the shields of its communicationbus cables must be tied together. If the communication bus isentirely within one building, th

40Table 22 — Dual Chiller Configuration (Slave Chiller Example)NOTES:1. Slave Control Method (CTRL) must be configured for 0.2. Slave SCN Address (SCN

41Table 23 — Operating ModesMODE NO. ITEM EXPANSION DESCRIPTION01FSM CONTROLLING CHILLER Flotronic™ System Manager (FSM) is controlling the chiller.

42Table 24 — Example of Reading and Clearing AlarmsTable 25A — 4-20 mA ResetNOTE: The example above shows how to configure the chiller for 4-20 mA res

43Table 26A — Configuring Outdoor Air and Space Temperature Reset*4 items skipped in this example.Table 26B — Configuring Return Temperature Reset*4 i

442.0 F (1.1 C) cooler ∆T and 0° F (0° C) reset at 10.0 F (5.6 C)cooler ∆T. The variable RT.NO should be set to the coolertemperature difference (∆T)

45DEMAND LIMIT (SCN Loadshed Controlled) — To con-figure Demand Limit for SCN Loadshed control set the De-mand Limit Select (DMDC) [Configuration, RSE

46Table 27 — Configuring Demand Limit*Seven items skipped in this example.TROUBLESHOOTINGComplete Unit Stoppage and Restart — Possi-ble causes for u

47Table 28 — Troubleshooting SYMPTOMS CAUSE REMEDYCooler Circulating Pump DoesNot RunPower line open Reset circuit breaker.Control fuse or circuit bre

48Fig. 22 — Component Arrangement — 30RA010-030LEGENDC — Contactor, CompressorCB — Circuit BreakerCHC — Cooler/Pump Heater ContactorCWP — Chilled Wate

49Fig. 23 — Component Arrangement — 30RA032-040LEGENDC — Contactor, CompressorCB — Circuit BreakerCHC — Cooler/Pump Heater ContactorCWP — Chilled Wate

5T10 — REMOTE SPACE TEMPERATURE SENSOR ORDUAL LEAVING WATER TEMPERATURE SENSOR —One of two inputs can be connected to TB5-5 and TB5-6. Seeappropriate

50Fig. 24 — Component Arrangement — 30RA042-055LEGENDC — Contactor, CompressorCB — Circuit BreakerCHC — Cooler/Pump Heater ContactorCWP — Chilled Wate

51Fig. 25 — Control and Field Power Wiring Diagram — 30RA010-030NOTES:1. Factory wiring is in accordance with UL 1995 standards. Field modificationsor

52Fig. 26 — Control and Field Power Wiring Diagram — 30RA032-055NOTES:1. Factory wiring is in accordance with UL 1995 standards. Field modificationsor

53Alarms and Alerts — These are warnings of abnormalor fault conditions, and may cause either one circuit or thewhole unit to shut down. They are assi

54Table 29 — Alarm and Alert Codes (cont)ALARM/ALERTCODEALARMORALERTDESCRIPTIONWHY WAS THISALARMGENERATED?ACTION TAKENBY CONTROLRESETMETHODPROBABLECAU

55Table 29 — Alarm and Alert Codes (cont)ALARM/ALERTCODEALARMORALERTDESCRIPTIONWHY WAS THISALARMGENERATED?ACTION TAKENBY CONTROLRESETMETHODPROBABLECAU

56Table 29 — Alarm and Alert Codes (cont)ALARM/ALERTCODEALARMORALERTDESCRIPTIONWHY WAS THISALARMGENERATED?ACTION TAKENBY CONTROLRESETMETHODPROBABLECAU

57Table 29 — Alarm and Alert Codes (cont)LEGENDALARM/ALERTCODEALARMORALERTDESCRIPTIONWHY WAS THISALARMGENERATED?ACTION TAKENBY CONTROLRESETMETHODPROBA

58SERVICEElectronic ComponentsCONTROL COMPONENTS — Unit uses an advanced elec-tronic control system that normally does not require service.For details

59BASECOMPRESSORCOMP A1COMP A2COMP B1COMP B2COMP A1COMP A2Fig. 27 — Typical Compressor Mounting — All SizesFig. 28 — Compressor WiringFig. 29 — Compre

6Fig. 1 — Typical Control Box for 30RA010-030 (022-030 Shown)

60Check Oil Charge — Compressors are factory chargedwith oil as shown in Table 31.Table 31 — Oil ChargeIf oil is visible in the compressor sight glass

61• Thoroughly rinse all surfaces with low velocity cleanwater using downward rinsing motion of water spraynozzle. Protect fins from damage from the s

62The amount of capacity reduction achieved by the mini-mum load valve is not adjustable. The total unit capacity withthe minimum load valve is shown

63COOLER FREEZE-UP PROTECTIONThe Main Base Board (MBB) monitors leaving fluid tem-perature at all times. The MBB will rapidly remove stages ofcapacity

64Table 33 — 5K Thermistor Temperatures (°F) vs. Resistance/Voltage Drop(Voltage Drop for Entering, Leaving Water and Outside-Air Thermistors T1, T2,

65Table 34 — 5K Thermistor Temperatures (°C) vs. Resistance/Voltage Drop(Voltage Drop for Entering, Leaving Water and Outside-Air Thermistors T1, T2,

66Table 35 — 10K Thermistor Temperature (°F) vs. Resistance/Voltage Drop(For Thermistor T10)TEMP(F)VOLTAGEDROP(V)RESISTANCE(Ohms)–254.758 196,453–244.

67Table 36 — 10K Thermistor Temperature (°C) vs. Resistance/Voltage Drop(For Thermistor T10)TEMP(C)VOLTAGEDROP(V)RESISTANCE(Ohms)–324.762 200,510–314.

68Strainer — Periodic factory-installed strainer cleaning isrequired. Pressure drop across strainer in excess of 3 psi(21 kPa) indicates the need for

69PROGRAMMINGMotormaster V control is completely configured according tothe inputs provided. No additional programming is necessary.The drive can disp

7Fig. 2 — Typical Control Box for 30RA032-055 (042-055 Shown)

70L1L2L3ModeDANGERT1T2T3B+B-DISPLAYBUTTONSModeMMVTERMINALBLOCK125611122 14 13A 13B 13C 15 25 2 30 31 TXATXBCOM+5VMMVTERMINALBLOCKFig. 38 — Pressure Tr

71Table 37 — Fault CodesManual Reset — If fault condition has been removed, cyclepower to the chiller to reset the VFD.Troubleshooting — Troubleshooti

72Table 38 — Motormaster® V Program Parameters for Operating Modes LEGENDPARAMETERS DESCRIPTIONMODE 1MODE 2MODE 3MODE 4P01Line Vo

73REPLACING DEFECTIVE MODULES — The Comfort-Link™ replacement modules are shown in Table 39. If the MainBase Board (MBB) has been replaced, verify th

74MAINTENANCERecommended Maintenance Schedule — The fol-lowing are only recommended guidelines. Jobsite conditionsmay dictate that maintenance schedul

755. Allow unit to operate and confirm that everything is func-tioning properly. Check to see that leaving fluid tempera-ture agrees with leaving set

76Table 41 — Temperature Limits forStandard 30RA UnitsLEGEND*For sustained operation, EWT should not exceed 85 F (29.4 C).†Unit requires modification

77APPENDIX ASCN TablesA_UNIT (General Unit Parameters)CIRCADIO (Circuit A Discrete Inputs/Outputs)CIRCA_AN (Circuit A Analog Parameters)DESCRIPTION VA

78CIRCBDIO (Circuit B Discrete Inputs/Outputs)CIRCB_AN (Circuit B Analog Parameters)OPTIONS (Unit Parameters)DESCRIPTION VALUE UNITS POINT NAME FORCEA

79ALARMDEF (Alarm Definition Table)BRODEFS (Broadcast POC Definition Table)DISPLAY (Marquee Display SETUP)DUALCHIL (Dual Chiller Configuration Setting

8Fig. 3 — Wiring Schematic 30RA010-01830RA010-018 AQUA SNAP

80OPTIONS1 (Options 1 Configuration)OPTIONS2 (Options 2 Configuration)DESCRIPTION VALUE DEFAULT UNITS POINT NAMECooler Fluid 1 = Water2 = Med. Brine1F

81RESETCON (Temperature Reset and Demand Limit)SCHEDOVR (Timed Override Setup)SETPOINTDESCRIPTION VALUE DEFAULT UNITS POINT NAMECOOLING RESETCooling R

82UNITMAINTENANCEALARMS: Maintenance DisplayDESCRIPTION VALUE DEFAULT UNITS POINT NAMECompressor A1 Size 8 to 1560 Hz: 010-10; 015-15; 018-9; 022-9; 0

83CURRMODS: Maintenance DisplayDUALCHIL: Maintenance DisplayDESCRIPTION VALUE POINT NAMEFSM controlling Chiller On/Off MODE_1WSM controlling Chiller O

84LEARNFNS: Maintenance DisplayLOADFACT: Maintenance DisplayOCCUPANCY SUPERVISORY (OCCDEFM): Maintenance DisplayDESCRIPTION VALUE UNITS POINT NAMEFan

85PM-COIL: Maintenance DisplayPM-PUMP: Maintenance DisplayPM-STRN: Maintenance DisplayDESCRIPTION VALUE UNITS POINT NAMECoil Cleaning Srvc Inter nnnnn

86RUNTEST: Maintenance DisplayDESCRIPTION VALUE UNITS POINT NAMEPercent Total Capacity nnn % CAPA_TPercent Available Cap. nnn % CAPA_ADischarge Pressu

87STRTHOUR: Maintenance DisplayTESTMODE: Maintenance DisplayVERSIONS: Maintenance DisplayDESCRIPTION VALUE UNITS POINT NAMEMachine Operating Hours nnn

88WSMDEFME: Maintenance DisplayDESCRIPTION VALUE UNITS POINT NAMEWSM Active? Yes WSMSTATChilled water temp snn.n°F CHWTEMPEquipment status On CHLRSTCo

89APPENDIX BFACTORY SETTINGS FOR COMPRESSOR, FAN, PUMP,AND MANUAL STARTERSUNITSIZE30RAVOLTAGEV-PH-HzVOLTAGE SERIESOVERLOAD RELAY (CA1) SETTING FORCOMP

9SEE NOTE 8SEE NOTE 8Fig. 3 — Wiring Schematic 30RA010-018 (cont)AQUA-SNAP LOW VOLTAGE CONTROL SCHEMATIC (010-018)

90FACTORY SETTINGS FOR COMPRESSOR, FAN, PUMP,AND MANUAL STARTERS (cont)UNITSIZE30RAVOLTAGEV-PH-HzVOLTAGESERIESOVERLOAD RELAY (CA1) SETTING FOR COMPRES

91APPENDIX CBuilding Interface — The 30RAN chiller can be inter-faced with multi-vendor control systems through 3 levels ofinter-operability using BAC

Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations.PC 9

Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations.PC 9

CL-25. CHILLED WATER PUMP STARTER INTERLOCKED WITH CHILLER.YES NO6. CHILLED WATER FLOW SWITCH IS OPERATIONAL.YES NO7. WATER LOOP VOLUME GREATER THAN M

CL-3OPERATING DATA:RECORD THE FOLLOWING INFORMATION FROM THE PRESSURES AND TEMPERATURES MODES WHENMACHINE IS IN A STABLE OPERATING CONDITION:PRESSURE/

CL-4Record Software VersionsMODE — RUN STATUS(PRESS ENTER & ESCAPE SIMULTANEOUSLY TO OBTAIN SOFTWARE VERSIONS)COMMENTS:___________________________

CL-5III. Unit Start-Up (cont)RECORD CONFIGURATION SETTINGSUNIT (Configuration Settings)PRESS ESCAPE KEY TO DISPLAY ‘UNIT’. PRESS DOWN ARROW KEY TO DIS

CL-6III. Unit Start-Up (cont)PRESS ESCAPE KEY TO DISPLAY ‘OPT1’. PRESS DOWN ARROW KEY TO DISPLAY ‘OPT2’.PRESS ENTER KEY.RECORD CONFIGURATION INFORMATI

CL-7III. Unit Start-Up (cont)PRESS ESCAPE KEY TO DISPLAY ‘RSET’. PRESS DOWN ARROW KEY TO DISPLAY ‘SLCT’.PRESS ENTER KEY.RECORD CONFIGURATION INFORMATI