Carrier 19XR Manual and Chiller Alarm Codes for Effective Troubleshooting

Page 78

Table 11 — CVC/ICVC Primary and Secondary Messages and

Custom Alarm/Alert Messages with Troubleshooting Guides

A. MANUAL STOP

PRIMARY MESSAGE

SECONDARY MESSAGE

PROBABLE CAUSE/REMEDY

MANUALLY STOPPED — PRESS

CCN OR LOCAL TO START

PIC II in OFF mode, press CCN or LOCAL softkey to start unit.

TERMINATE PUMPDOWN MODE

TO SELECT CCN OR LOCAL

Enter the CONTROL TEST table and select TERMINATE LOCKOUT to

 

 

unlock compressor.

SHUTDOWN IN PROGRESS

COMPRESSOR UNLOADING

Chiller unloading before shutdown due to soft/stop feature.

SHUTDOWN IN PROGRESS

COMPRESSOR DEENERGIZED

Chiller compressor is being commanded to stop. Water pumps are

 

 

deenergized within one minute.

ICE BUILD

OPERATION COMPLETE

Chiller shutdown from Ice Build operation.

B. READY TO START

PRIMARY MESSAGE

SECONDARY MESSAGE

PROBABLE CAUSE/REMEDY

READY TO START IN XX MIN

UNOCCUPIED MODE

Time schedule for PIC II is unoccupied. Chillers will start only when

 

 

occupied.

READY TO START IN XX MIN

REMOTE CONTACTS OPEN

Remote contacts are open. Close contacts to start.

READY TO START IN XX MIN

STOP COMMAND IN EFFECT

Chiller START/STOP on MAINSTAT manually forced to stop. Release

 

 

point to start.

READY TO START IN XX MIN

OCCUPIED MODE

Chiller timer counting down. Unit ready to start.

READY TO START IN XX MIN

REMOTE CONTACTS CLOSED

Chiller timer counting down. Unit ready to start. Remote contact enabled

 

 

and closed.

READY TO START IN XX MIN

START COMMAND IN EFFECT

Chiller START/STOP on MAINSTAT manually forced to start. Release

 

 

value to start under normal control.

READY TO START IN XX MIN

RECYCLE RESTART PENDING

Chiller in recycle mode.

READY TO START

UNOCCUPIED MODE

Time schedule for PIC II is unoccupied. Chiller will start when occupied.

 

 

Make sure the time and date are correct. Change values in TIME AND

 

 

DATE screen.

READY TO START

REMOTE CONTACTS OPEN

Remote contacts have stopped the chiller. Close contacts to start.

READY TO START

STOP COMMAND IN EFFECT

Chiller START/STOP on MAINSTAT manually forced to stop. Release

 

 

point to start.

READY TO START

OCCUPIED MODE

Chiller timers complete, unit start will commence.

READY TO START

REMOTE CONTACTS CLOSED

Chiller timer counting down. Unit ready for start.

READY TO START

START COMMAND IN EFFECT

Chiller START/STOP on MAINSTAT has been manually forced to start.

 

 

Chiller will start regardless of time schedule or remote contact status.

STARTUP INHIBITED

LOADSHED IN EFFECT

CCN loadshed module commanding chiller to stop.

C. IN RECYCLE SHUTDOWN

PRIMARY MESSAGE

SECONDARY MESSAGE

PROBABLE CAUSE/REMEDY

RECYCLE RESTART PENDING

OCCUPIED MODE

Unit in recycle mode, chilled water temperature is not sufficiently

 

 

above set point to start.

RECYCLE RESTART PENDING

REMOTE CONTACT CLOSED

Unit in recycle mode, chilled water temperature is not sufficiently

 

 

above set point to start.

RECYCLE RESTART PENDING

START COMMAND IN EFFECT

Chiller START/STOP on MAINSTAT manually forced to start, chilled

 

 

water temperature is not sufficiently above set point to start.

RECYCLE RESTART PENDING

ICE BUILD MODE

Chiller in ICE BUILD mode. Chilled fluid temperature is satisfied for

 

 

ICE BUILD conditions.

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Contents Start-Up, Operation, and Maintenance Instructions Safety ConsiderationsContents Contents Introduction Abbreviations and ExplanationsChiller Familiarization 19XR IdentificationTypical 19XR Components Refrigeration Cycle Motor and Lubricating OIL Cooling CycleVFD Cooling Cycle Lubrication CycleStarting Equipment Unit-Mounted Solid-State Starter OptionalUnit-Mounted Wye-Delta Starter Optional ControlsDefinitions Variable Frequency Drive VFD 19XR Controls and Sensor Locations Major PIC II Components Panel Locations PIC II Component Panel LocationControl Panel CVC/ICVC Operation and Menus Fig Example of Status Screen 19XR Chiller Display Menu Structure CVC/ICVC 19XR Service Menu Structure Time and Date Example of Time Schedule Operation Screen Example of Set Point Screen Example 1 Chiller Display Default Screen CVC/ICVC Display DataExample 3 Startup Display Screen Example 2 Maintstat Display ScreenDescription Status Units Point Startup Description Status Units PointExample 4 Compress Display Screen Example 5 Heatex Display ScreenExample 6 Power Display Screen Example 7 Ismstat Display ScreenCVC Icvc Description Status Units Point Menu Setpoint Select Description Status Units Point DefaultExample 8 CVC/ICVCPSWD Display Screen Example 9 Setpoint Display ScreenExample 11 Override Display Screen Control Algorithm Status Override Description Units PointExample 12 Llmaint Display Screen Example 13 Ismhist Display Screen Example 14 Wsmdefme Display ScreenControl Algorithm Status Wsmdefme Description Units Point Example 15 Netopt Display Screen ISM Starter Config DataIsmconf Description Status Units Point Default Example 16 Ismconf Display ScreenExample 18 SETUP1 Display Screen Spare ALERT/ALARM EnableExample 17 Options Display Screen Example 19 SETUP2 Display Screen Example 20 Leadlag Display ScreenLAG=2, STANDBY=3 Example 21 Rampdem Display Screen Description Status Units Point DefaultReset Type Example 22 Tempctl Display ScreenMode IGV VFD Normal Control mode occurs when Active Delta TSurge Prevention Mode occurs when Active Delta T PIC II System FunctionsPage Protective Safety Limits and Control Settings Page Capacity Overrides Evaporator Freeze Protection Icvc only a Page Surge Protection Fixed Speed Chiller Head Pressure Reference OutputPage Page Point Example of Attach to Network Device Screen Example of Holiday Period Screen Recycle Sequence Fig Default CVC/ICVC screen, press the MenuSTART-UP/SHUTDOWN Local Start-Up Local start-up or a manual start-up isEntering Condenser Water temperature plus 3 F -1.6C Before Initial START-UP Job Data RequiredEquipment Required 19XR Leak Test Procedures Page Page HFC-134a Pressure Temperature F HFC-134a Pressure Temperature CTemperature Pressure Inspect Wiring Perform dehydration as followsCheck Starter Manufacturer Cable noWhite G Software Configuration Parameter Benshaw RediStart Micro Menu Items Verify VFD Configuration and Change Parameters if Necessary VFD Title Setting Parameter Description SettingDescription Settings Press Status Press Compress Press Select Press Menu Press Status Press Compress Press SelectEstimated Minimum Load Conditions Load Surge Prevention Occurs TOO Soon Occurs TOO LateCCM Temperature Thermistors Charge Refrigerant into Chiller Control Test Menu FunctionsTests to be Devices Tested Performed Initial START-UP Refrigerant HFC-134a ChargeDry Run to Test Start-Up Sequence Check Motor RotationCheck Oil Pressure and Compressor Stop To Start the Chiller Operating InstructionsOperator Duties To Stop the ChillerPumpout and Refrigerant Transfer Procedures Operating the Optional Pumpout UnitBearing Date Cooler Condenser CompressorTime FLATurn off pumpout condenser water Valve ConditionChillers with Isolation Valves General Maintenance Test After Service, Repair, or Major Leak IfWeekly Maintenance Guide Vane Actuator LinkageScheduled Maintenance Check Safety and Operating Controls MonthlyCompressor Bearing and Gear Maintenance Inspect the Heat Exchanger Tubes and Flow DevicesOrdering Replacement Chiller Parts When Optional Pumpout System ControlsTroubleshooting Guide Checking Pressure TransducersHeatex LlmaintOccdefcm ICE Build Terminate Pumpdown ModeShutdown in Progress Ready to StartAutorestart in Progress PrestartAlert Running Temp ControlLimited FaultRUN Capacity SensorStart ProtectiveFailure to StopPotential LossCommunication FREEZE-UPAutorestart Sensor AlertLOW OIL Pressure PendingOption Sensor Pressure AlertRecycle DiffuserThermistor Temperature F vs. Resistance/Voltage Drop DropThermistor Temperature C vs. Resistance/Voltage Drop Temperature PIC ResistancePower is connected to Plug J1 on each module Control ModulesChiller Control Module CCM Fig Integrated Starter Module FigReplacing Defective Processor Modules Integratedstartermodule Measure SCR Pairs Recorded Being Between CheckedHeat Exchanger Data English Number of Tubes English CodeHeat Exchanger Data SI Number of Tubes CodeCompressor Weights 19XR Additional Data for Marine Waterboxes19XR Motor Weights Standard and High Efficiency Motors English Motor19XR Waterbox Cover Weights English lb 19XR Waterbox Cover Weights SI kg Additional Miscellaneous Weights Optional Pumpout System Electrical DataMotor Voltage Code Compressor Assembly Torques Description TorqueView B High Speed Shaft 19XR Compressor Clearances Compressor Code100 Allen-Bradley Wye-Delta Unit-Mounted Starter101 102 ISM103 Temp104 105 106 Power Panel Wiring Schematic 107Cutler-Hammer Wye Delta Unit Mounted Starter Sizes 3-5DP 108Cutler-Hammer Wye Delta Unit Mounted Starter Size 6DP 109Ground Fault Phase Current Option Separate Metering Option111 112 AUX113 FU Fuse114 115 VFDTypical Variable Frequency Drive VFD Wiring Schematic 116117 118 119 120 121 122 Index Index Remove and use for job file JOB Data RequiredInspect Wiring and Record Electrical Data Ratings CL-260.0 40 to 10010 to 15 toCL-4 105 to 115 200 to460 85 to20 to Psi 30 to50 to CL-6125 150 to90 to 125 to65 to 90 to 100Amp 250 CL-8 25 to CL-950 to 145 CL-100000 to 0200 0000 to0200 CL-11028 10 to Job Sheet 60 for 60 Hz and 50 for 50 Hz 002 Power Module Dependent Selected motor 100% amps004 To H.022 Job Sheet 60 for 60 Hz and 50 for 50 Hz 000 100 to Selected line voltageCL-13 CCN Local Reset CL-14Page Incurring obligations
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19XR, XRV specifications

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