Carrier 19XRV specifications VFD Gateway, Sensor Fault

Page 19

Table 5 — ICVC Alarm Codes (cont)

CHILLER PROTECTIVE LIMIT FAULTS (cont)

ICVC FAULT

PRIMARY

SECONDARY

PRIMARY CAUSE

ADDITIONAL CAUSE/REMEDY

STATE

MESSAGE

MESSAGE

 

 

259

PROTECTIVE LIMIT

CCN OVERRIDE STOP

259CCN Emergency/

CCN has signaled the chiller to stop.This fault

 

 

 

Override Stop.

must be manually reset from the default screen

 

 

 

 

of the ICVC.

282

PROTECTIVE LIMIT

INVALID VFD CONFIG

282Line Frequency

LINE FREQUENCY in POWER screen must be

 

 

 

[VALUE] Exceeded Configura-

maintained between 45-52 Hz if LINE

 

 

 

tion Range.

FREQ=60Hz? is set to NO(50 Hz). LINE FRE-

 

 

 

 

QUENCY must be maintained between

 

 

 

 

55-62 Hz if LINE FREQ=60Hz? is set to YES

 

 

 

 

(60 Hz).

 

 

 

 

Check high pressure switch and connections to

 

 

 

 

TB4-24 and TB4-25.

283

PROTECTIVE LIMIT

INVALID VFD CONFIG

283Compressor 100%

COMPRESSOR 100% SPEED in VFD_CONF

 

 

 

Speed Config Ranges: 50=Hz

screen must be set between 45-52 Hz if LINE

 

 

 

45-52; 60 Hz=55-62.

FREQ=60Hz? is set to NO(50 Hz). COMPRES-

 

 

 

 

SOR 100% SPEED must be set between

 

 

 

 

55-62 Hz if LINE FREQ=60Hz? is set to YES

 

 

 

 

(60 Hz).

284

VFD GATEWAY

COMPATIBILITY

284VFD Gateway Compati-

VFD Gateway and VFD software versions are

 

 

CONFLICT

bility Conflict: Check VFG/

not compatible.

 

 

 

VFD Versions.

Call Carrier Service.

285

VFD GATEWAY

COMPATIBILITY

285VFD Gateway Compati-

VFD Gateway and ICVC software versions are

 

 

CONFLICT

bility Conflict: Check VFG/

not compatible.

 

 

 

ICVC Versions.

Call Carrier Service.

286

PROTECTIVE LIMIT

INVERTER

286Inverter Overcurrent

Check for high entering water temperature or

 

 

OVERCURRENT

Fault: Check VFD Status.

low condenser water flow.

 

 

 

 

Check current settings in VFD_CONF screen.

*[LIMIT] is shown on the ICVC as the temperature, pressure, voltage, etc., set point predefined or selected by the operator as an override, alert, or alarm condition. [VALUE] is the actual pressure, temperature, voltage, etc., at which the control tripped.

OUT-OF-RANGE SENSOR

ICVC FAULT

PRIMARY

SECONDARY

PRIMARY CAUSE

ADDITIONAL CAUSE/REMEDY

STATE

MESSAGE

MESSAGE

 

 

260

SENSOR FAULT

LEAVING CHILLED WATER

260Sensor Fault: Check

Check sensor resistance or voltage drop.

 

 

 

Leaving Chilled Water Sensor.

Check for proper wiring.

 

 

 

 

Check for disconnected or shorted wiring.

261

SENSOR FAULT

ENTERING CHILLED

261Sensor Fault: Check

Check sensor resistance or voltage drop.

 

 

WATER

Entering Chilled Water

Check for proper wiring.

 

 

 

Sensor.

Check for disconnected or shorted wiring.

262

SENSOR FAULT

CONDENSER PRESSURE

262Sensor Fault: Check

Check sensor wiring.

 

 

 

Condenser Pressure Sensor.

Check for disconnected or shorted wiring.

 

 

 

 

Check for condensation in transducer

 

 

 

 

connector.

263

SENSOR FAULT

EVAPORATOR

263Sensor Fault: Check

Check sensor wiring.

 

 

PRESSURE

Evaporator Pressure Sensor.

Check for disconnected or shorted wiring.

 

 

 

 

Check for condensation in transducer

 

 

 

 

connector.

264

SENSOR FAULT

COMPRESSOR BEARING

264Sensor Fault: Check

Check sensor resistance or voltage drop.

 

 

TEMP

Comp Thrust Brg Temp Sensor.

Check for proper wiring.

 

 

 

 

Check for disconnected or shorted wiring.

265

SENSOR FAULT

COMPRESSOR MOTOR

265Sensor Fault: Check

Check sensor resistance or voltage drop.

 

 

TEMP

Comp Motor Winding Temp

Check for proper wiring.

 

 

 

Sensor.

Check for disconnected or shorted wiring.

266

SENSOR FAULT

COMP DISCHARGE TEMP

266Sensor Fault: Check

Check sensor resistance or voltage drop.

 

 

 

Comp Discharge Temp Sensor.

Check for proper wiring.

 

 

 

 

Check for disconnected or shorted wiring.

267

SENSOR FAULT

OIL SUMP TEMP

267Sensor Fault: Check Oil

Check sensor resistance or voltage drop.

 

 

 

Sump Temp Sensor.

Check for proper wiring.

 

 

 

 

Check for disconnected or shorted wiring.

268

SENSOR FAULT

COMP OIL PRESS DIFF

268Sensor Fault: Check Oil

Check sensor resistance or voltage drop.

 

 

 

Pump Delta P Sensor.

Check for proper wiring.

 

 

 

 

Check for disconnected or shorted wiring.

269

SENSOR FAULT

CHILLED WATER FLOW

269Sensor Fault: Check

Check sensor wiring and accuracy.

 

 

 

Chilled Water Delta P Sensor.

Check for disconnected or shorted wiring.

 

 

 

 

If pressure transducers are not installed,

 

 

 

 

check for presence of resistors and jumpers

 

 

 

 

on lower CCM terminal block J3.

270

SENSOR FAULT

COND WATER FLOW

270Sensor Fault: Check

Check sensor wiring and accuracy.

 

 

 

Cond Water Delta P Sensor.

Check for disconnected or shorted wiring.

 

 

 

 

If pressure transducers are not installed,

 

 

 

 

check for presence of resistors and jumpers

 

 

 

 

on lower CCM terminal block J3.

271

SENSOR FAULT

EVAP SATURATION TEMP

271Sensor Fault: Check

Check sensor resistance or voltage drop.

 

 

 

Evap Saturation Temp Sensor.

Check for proper wiring.

 

 

 

 

Check for disconnected or shorted wiring.

19

Image 19 Contents
Start-Up and Service Instructions Contents A19-1842 A19-1831A19-1814 1832 A19A19-1833 A19-1834 Wire LugsParameter Default Value VFD ConfigurationsA19 1846 TB1 I/O Terminal Designations A19-1921A19-1836 A19-18351815 Link Drive Status Indicator DescriptionsName Color State Description EnetA19-1925 A19-1844Alert Icvc Alert CodesMessage PrestartLimited RUN CapacityLOW OIL FaultPrimary Secondary Primary Cause Additional CAUSE/REMEDY Sensor AlertSystem Alert LossCommunication VFD Speed AlertFailure to Stop Icvc Alarm CodesProtective Limit 236 233234 235Unused State UnusedVFD Gateway Sensor FaultHist Screen None Fault Type Description Corrective Action On VFDVFD Code124 Hist ScreenNone 113Meter Lead Meter Reading Diode ChecksA19-1816Fig Removing Enclosure A19-1831Fig Open Access DoorFrames 6 and 7 Power Terminal Block A19-1814Fig Check DC Bus TerminalsA19-1838 A19-1837A19-1817A19-1818 A19-1819 Comm CardTB4 Dist Side A19-1847CR1 EA1 Line CR6 CB1 TB4 CB2 FU1-FU3 PT1 Secondary Side Toward DoorFrame 6 Parts A19-1848A19-1946 Appendix a Wiring Schematics Chiller Control SchematicUPC A19-1947Hgbp RHSA19-1966 Shld A19-1967A48-8579 A48-8578A48 8580 Appendix B Optional Bacnet Communications WiringTable a SW3 Protocol Switch Settings For MS/TP Table B Baud Selection TableA48-8582 Table C MS/TP Wiring RecommendationsRmcorp Wiring Specifications Recommended Vendors and Part NumbersCMP Run Table E LED Status IndicatorsRUN LED Error LED Status LED StatusObject ID Object Name CHW Page Copyright 2011 Carrier Corporation