Sterling 30RA010-055 manual Alarm and Alert Codes cont

Page 55

Table 29 — Alarm and Alert Codes (cont)

ALARM/

ALARM

 

WHY WAS THIS

ACTION TAKEN

RESET

PROBABLE

ALERT

OR

DESCRIPTION

ALARM

BY CONTROL

METHOD

CAUSE

CODE

ALERT

 

GENERATED?

 

 

 

 

 

 

 

 

 

 

 

A140

Alert

Reverse Rotation

Incoming chiller power

Chiller not allowed to

Manual

Reverse any two

 

 

Detected

leads not phased correctly

start.

 

incoming power

 

 

 

 

 

 

leads to correct.

 

 

 

 

 

 

Check for correct fan

 

 

 

 

 

 

rotation first.

 

 

 

 

 

 

 

A150

Alarm

Emergency Stop

SCN emergency stop

Chiller shutdown

Automatic once SCN

SCN Network

 

 

 

command received

without going through

command for

command.

 

 

 

 

pumpdown.

EMSTOP returns to

 

 

 

 

 

 

normal

 

 

 

 

 

 

 

 

A151

Alarm

Illegal Configuration

One or more illegal

Chiller is not allowed to

Manual once

Configuration error.

 

 

 

configurations exists.

start.

configuration errors

Check unit settings.

 

 

 

 

 

are corrected

 

 

 

 

 

 

 

 

A152

Alarm

Unit Down Due to

Both circuits are down due

Chiller is unable

Automatic once

Alarm notifies user

 

 

Failure

to alarms/alerts.

to run.

alarms/alerts are

that chiller is 100%

 

 

 

 

 

cleared that prevent

down.

 

 

 

 

 

the chiller from

 

 

 

 

 

 

starting.

 

 

 

 

 

 

 

 

T153

Alert

Real Time Clock

Internal clock on MBB fails

Occupancy schedule

Automatic when

Time/Date/Month/

 

 

Hardware Failure

 

will not be used. Chiller

correct clock control

Day/Year not

 

 

 

 

defaults to Local On

restarts.

properly set.

 

 

 

 

mode.

 

 

 

 

 

 

 

 

 

A154

Alarm

Serial EEPROM

Hardware failure with MBB

Chiller is unable

Manual

Main Base Board

 

 

Hardware Failure

 

to run.

 

failure.

 

 

 

 

 

 

 

T155

Alert

Serial EEPROM

Configuration/storage

No Action

Manual

Potential failure of

 

 

Storage Failure

failure with MBB

 

 

MBB. Download

 

 

 

 

 

 

current operating

 

 

 

 

 

 

software. Replace

 

 

 

 

 

 

MBB if error occurs

 

 

 

 

 

 

again.

A156

Alarm

Critical Serial EEPROM

Configuration/storage

Chiller is not allowed

Manual

Main Base Board

 

 

Storage Failure

failure with MBB

to run.

 

failure.

A157

Alarm

A/D Hardware Failure

Hardware failure with

Chiller is not allowed

Manual

Main Base Board

 

 

 

peripheral device

to run.

 

failure.

A189

Alarm

Cooler pump auxiliary

Pump 1 (2) aux contacts

Both pump outputs

Manual

Wiring error, faulty

 

 

contact inputs miswired

closed when pump 2 (1)

are turned off.

 

pump contactor

 

 

 

energized.

 

 

auxiliary contacts.

T173

Alert

Loss of Communication

MBB loses communication

4 to 20 mA

Automatic

Wiring error, faulty

 

 

with EMM

with EMM

temperature reset

 

wiring or failed

 

 

 

 

disabled. Demand

 

Energy Manage-

 

 

 

 

Limit set to 100%. 4 to

 

ment Module (EMM).

 

 

 

 

20 mA set point

 

 

 

 

 

 

disabled.

 

 

 

 

 

 

 

 

 

T174

Alert

4 to 20 mA Cooling Set

If configured with EMM and

Set point function

Automatic

Faulty signal

 

 

Point Input Failure

input less than 2 mA or

disabled. Chiller

 

generator, wiring

 

 

 

greater than 22 mA

controls to CSP1.

 

error, or faulty EMM.

T176

Alert

4 to 20 mA

If configured with EMM

Reset function

Automatic

Faulty signal

 

 

Temperature Reset

and input less than 2 mA or

disabled. Chiller

 

generator, wiring

 

 

Input Failure

greater than 22 mA

returns to normal set

 

error, or faulty EMM.

 

 

 

 

point control.

 

 

 

 

 

 

 

 

 

T177

Alert

4 to 20 mA Demand

If configured with EMM and

Demand limit function

Automatic

Faulty signal

 

 

Limit Input Failure

input less than 2 mA or

disabled. Chiller

 

generator, wiring

 

 

 

greater than 22 mA

returns to 100%

 

error, or faulty EMM.

 

 

 

 

demand limit

 

 

 

 

 

 

control.

 

 

 

 

 

 

 

 

 

T189

Alarm

Cooler pump 2 and

Alarm is generated when

Chiller not allowed to

Manual

Wiring error

 

 

Aux Contact Input

the pump’s aux contacts

start

 

 

 

 

miswired

close when a pump is

 

 

 

 

 

 

called for

 

 

 

T190

Alert

Cooler pump 1 Aux

Pump 1 Auxiliary Contacts

Pump 1 turned off.

Manual

Wiring error, faulty

 

 

Contacts Failed to Close

did not close within

Pump 2 will be started

 

contacts on pump

 

 

at Start-Up

26 seconds after pump

if available.

 

contactor

 

 

 

was started

 

 

 

T191

Alert

Cooler pump 2 Aux

Pump 2 Auxiliary Contacts

Pump 2 turned off.

Manual

Wiring error, faulty

 

 

Contacts Failed to Close

did not close within

Pump 1 will be started

 

contacts on pump

 

 

at Start-Up

26 seconds after pump

if available.

 

contactor

 

 

 

was started

 

 

 

 

 

 

 

 

 

 

T192

Alert

Cooler pump 1 Failed

Pump 1 did not provide

Pump 1 turned off.

Manual

Wiring error, pump

 

 

to Provide Flow at

flow to close flow switch

Pump 2 will be started

 

circuit breaker

 

 

Start-Up

within 60 seconds

if available.

 

tripped, contactor

 

 

 

 

 

 

failure

T193

Alert

Cooler pump 2 Failed

Pump 2 did not provide

Pump 1 turned off.

Manual

Wiring error, pump

 

 

to Provide Flow at

flow to close flow switch

Pump 2 will be started

 

circuit breaker

 

 

Start-Up

within 60 seconds

if available.

 

tripped, contactor

 

 

 

 

 

 

failure

T194

Alert

Cooler pump 1 Aux

Pump 1 Auxiliary Contacts

Pump 2 will be started

Manual

Wiring error, faulty

 

 

Contacts Opened

open for 26 seconds after

if available. Chiller

 

contacts on pump

 

 

During Normal

initially made. All

allowed to run if

 

contactor

 

 

Operation

compressors shut down.

Pump 2 successfully

 

 

 

 

 

Pump 1 turned off.

starts.

 

 

T195

Alert

Cooler pump 2 Aux

Pump 2 Auxiliary Contacts

Pump 1 will be started

Manual

Wiring error, faulty

 

 

Contacts Opened

open for 26 seconds after

if available. Chiller

 

contacts on pump

 

 

During Normal

initially made. All

allowed to run if

 

contactor

 

 

Operation

compressors shut down.

Pump 1 successfully

 

 

 

 

 

Pump 2 turned off.

starts.

 

 

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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
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