Carrier 17EX 1CR AUX, Oilpd, Oilt, Pic, Cdfl, Prs, Chil, Chw, Rla, Cmpd, Run, Crp, Smm, Ert, Spr

Page 86

LEGEND FOR TABLE 12, A - N

1CR

 

 

 

AUX

Ð Compressor Start Contact

OILPD

 

 

Ð Oil Pressure

CA

 

 

 

P

Ð Compressor Current

OILT

 

 

Ð Oil Sump Temperature

CCN

 

 

 

 

 

Ð Carrier Comfort Network

PIC

 

 

 

 

 

Ð Product Integrated Control

CDFL

Ð Condenser Water Flow

PRS

 

 

 

TRIP Ð Pressure Trip Contact

CHIL

 

 

 

S

 

 

S Ð Chiller Start/Stop

PSIO

 

 

Ð Processor Sensor Input/Output Module

CHW

 

 

 

 

 

Ð Chilled Water

RLA

 

 

Ð Rated Load Amps

CMPD

Ð Discharge Temperature

RUN

 

 

AUX Ð Compressor Run Contact

CRP

 

 

 

 

 

Ð Condenser Pressure

SMM

 

 

Ð Starter Management Module

ERT

 

 

 

 

 

Ð Evaporator Refrigerant Temperature

SPR

 

 

PL

Ð Spare Protective Limit Input

EVFL

 

 

 

 

 

Ð Chilled Water Flow

STR

 

FLT

Ð Starter Fault

GV

 

 

 

TRG

Ð Target Guide Vane Position

TXV

 

 

Ð Thermostatic Expansion Valve

LED

 

 

 

 

 

Ð Light-Emitting Diode

V

 

P

 

 

Ð Line Voltage: Percent

LID

 

 

 

 

 

Ð Local Interface Device

V

 

REF

Ð Voltage Reference

MTRB

Ð Bearing Temperature

 

 

 

 

 

 

 

 

MTRW

Ð Motor Winding Temperature

 

 

 

 

 

 

 

 

Table 12 Ð LID Primary and Secondary Messages and Custom Alarm/Alert Messages

with Troubleshooting Guides

A. SHUTDOWN WITH ON/OFF/RESET-OFF

PRIMARY MESSAGE

SECONDARY MESSAGE

PROBABLE CAUSE/REMEDY

MANUALLY STOPPED Ð PRESS

CCN OR LOCAL TO START

PIC in OFF mode, press the 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 deen-

ergized within one minute.

 

 

ICE BUILD

OPERATION COMPLETE

Chiller shutdown from Ice Build operation.

 

 

 

B. TIMING OUT OR TIMED OUT

PRIMARY MESSAGE

SECONDARY MESSAGE

PROBABLE CAUSE/REMEDY

READY TO START IN XX MIN

UNOCCUPIED MODE

Time schedule for PIC is unoccupied.

Chillers will start only when occupied.

 

 

READY TO START IN XX MIN

REMOTE CONTACTS OPEN

Remote contacts have stopped chiller. Close contacts to start.

READY TO START IN XX MIN

STOP COMMAND IN EFFECT

Chiller START/STOP on STATUS01 manually forced to stop. Re-

lease value to start.

 

 

READY TO START IN XX MIN

RECYCLE RESTART PENDING

Chiller in recycle mode.

READY TO START

 

Time schedule for PIC is unoccupied. Chiller will start when occu-

UNOCCUPIED MODE

pied. Make sure the time and date have been set on the

 

 

SERVICE menu.

READY TO START

REMOTE CONTACTS OPEN

Remote contacts have stopped chiller. Close contacts to start.

READY TO START

STOP COMMAND IN EFFECT

Chiller START/STOP on STATUS01 manually forced to stop. Re-

lease value to start.

 

 

READY TO START IN XX MIN

REMOTE CONTACTS CLOSED

Chiller timer counting down unit. Ready for start.

READY TO START IN XX MIN

OCCUPIED MODE

Chiller timer counting down unit. Ready for start.

READY TO START

REMOTE CONTACTS CLOSED

Chiller timers complete, unit start will commence.

READY TO START

OCCUPIED MODE

Chiller timers complete, unit start will commence.

STARTUP INHIBITED

LOADSHED IN EFFECT

CCN loadshed module commanding chiller to stop.

READY TO START IN XX MIN

 

Chiller START/STOP on STATUS01 has been manually forced to

START COMMAND IN EFFECT

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

 

 

status.

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 high enough

to start.

 

 

RECYCLE RESTART PENDING

REMOTE CONTACT CLOSED

Unit in recycle mode, chilled water temperature is not high enough

to start.

 

 

RECYCLE RESTART PENDING

START COMMAND IN EFFECT

Chiller START/STOP on STATUS01 manually forced to start, chilled

water temperature is not high enough to start.

 

 

RECYCLE RESTART PENDING

ICE BUILD MODE

Chiller in ICE BUILD mode. Chilled water/brine temperature is satis-

®ed forICE BUILD SETPOINT temperature.

 

 

86

Page 85 Page 87
Image 86
Page 85 Page 87
Contents Start-Up, Operation, and Maintenance Instructions Safety ConsiderationsContents Coupling Maintenance Motor Maintenance Piping Check Relief Devices Inspect WiringOCCPC01S Input Service Congurations Inspect Water PipingContents 17EX Chiller Familiarization IntroductionAbbreviations Performance CertifiedTypical 17EX Chiller Components OIL Cooling Cycle Lubrication CycleStarters Refrigeration, Cycle17EX Compressor Lubrication Cycle Controls DenitionsPIC Component Panel Location Temperature Sensors See Fig Pressure TransducersMajor PIC Components Panel Locations Processor Sensor Input/Output Module Control Center17EX Controls and Sensor Locations Psio LIDPIC Tewac Equip GND ÐGRD General LID Operation and Menus FigPROCESSOR/SENSOR INPUT/OUTPUT Module Psio LID Service Screen YES or no , on or OFF , etc. to select the desired state Override OperationsDefault Screen 17EX LID Menu StructureEquipment Configuration Service TableAlarm History Control TestHgbp Ð Hot Gas Bypass CCNCarrier Comfort Network LIDChws SetpointChwr HgbpExample 1 Ð STATUS01 Display Screen Description Range Units Reference Point Name Alarm HistoryLID Display Data Menu Status SelectMenu Status Example 2 Ð STATUS02 Display ScreenExample 3 Ð STATUS03 Display Screen Menu Example 4 Ð STATUS04 Display ScreenExample 5 Ð Setpoint Display Screen ICE Build Termination Example 6 Ð Configuration Config Display ScreenECW Control Option Example 7 Ð LEAD/LAG Configuration Display Screen LAG =2, Standby =3Example 8 Ð SERVICE1 Display Screen Example 10 Ð SERVICE3 Display Screen Example 9 Ð SERVICE2 Display ScreenSpare Alert Enable Menu ServiceDischarge Temperature Example 11 Ð Maintenance MAINT01 Display ScreenExample 12 Ð Maintenance MAINT02 Display Screen Bearing TemperatureDescription RANGE/STATUS Units Reference Point Name Example 13 Ð Maintenance MAINT03 Display ScreenExample 14 Ð Maintenance MAINT04 Display Screen PIC System Functions Page Protective Safety Limits and Control Settings Capacity Overrides Page Page ECW Cent Capacity ICE Build Setpoint Example of Attach to Network Device Screen To Access the Service Screens Example of Holiday Period ScreenSTART-UP/SHUTDOWN Recycle Sequence FigPage Equipment Required Before Initial START-UPJob Data Required MotorPage 17EX Leak Test Procedures Temperature F Ð HFC-134a Pressure Ð Temperature FÐ HFC-134a Pressure Ð Temperature C Temperature CDehydration Cold Trap 900 500 901 7000 1000 7001-14500 2500 Inspect WiringCheck Optional Pumpout Compressor Water Pip External Gear Pre-Start Checks Recommended Motor Fastener Tightening TorquesExternal Gear Lubrication System SOLID-STATE Starters Check StarterMechanical Starters Input the Local Occupied Schedule OCCPC01S Set Up Chiller Control CongurationInput the Design Set Points Ð To modify the set T1/P1 Full Load Points T2/P2 Change the LID Configuration if NecessarySurge Limiting or 50% Load Surge Prevention Occurs TOO Soon Occurs TOO LateIncrease P1 by Decrease P1 by Control Test Menu Functions Charge Refrigerant into ChillerInitial START-UP Tests to be Devices Tested PerformedInitial Motor START-UP Dry Run to Test Start-Up SequenceCheck Motor Rotation Page Flange Nut Tightening Torques Low Speed Couplings Only To Prevent Accidental Start-Up Ð The PIC can be Calibrate Motor Current Demand SettingCheck Oil Pressure and Compressor Stop General RecommendationsStarting the Chiller Operating InstructionsOperator Duties Stopping the ChillerPumpout and Refrigerant Transfer Procedures Operating the Optional Pumpout CompressorPlant Chiller Serial No Chiller Model No Refrigerant Type Rear View RLA Valve ConditionGeneral Maintenance Return Chiller to Normal Operating ConditionsContact Seal Maintenance Refer to Ð Checking Guide Vane Linkage Ð Refer to FigContact Seal Page Chiller Alignment Checking Preliminary AlignmentMeasuring Angular Misalignment Elevation Alignment Formula Adjusting Angular Misalignment in Plan HOT Alignment CheckCorrecting Parallel Misalignment DowelingCheck Safety and Operating Controls Monthly Weekly MaintenanceScheduled Maintenance Changing the Oil FiltersPumpout Compressor OIL17EX Chiller Oil Specications Typical Float Valve Arrangement Sleeve Bearings Page Motor Riggings Inspect the Heat Exchanger Tubes Troubleshooting Guide Controls for Optional Pumpout CompressorPage MAINT03 MAINT01MAINT02 MAINT04Oilt 1CR AUXOilpd PICStarts Limit Exceeded Autorestart in ProgressPotential FREEZE-UP FaultOperation Failure to StopRunning Ð Temp Control Running Ð Demand LimitedChiller Protect Limit Faults Alert Sensor Fault AlertLOW OIL Pressure Autorestart PendingDESCRIPTION/MALFUNCTION Probable CAUSE/REMEDY Possible Cause Ð Item NO.s External Gear Troubleshooting GuideProblem Possible Cause ActionÐ Thermistor Temperature F vs Resistance/Voltage Drop Temperature Voltage Resistance DropÐ Thermistor Temperature C vs Resistance/Voltage Drop Temperature Voltage Resistance DropModule Address Module SwitchControl Modules Input Options ModuleGRD Processor/Sensor Input/Output Module Psio FigStarter Management Module SMM Fig Four-In/Two-Out Module Fig Installation of NEW Psio ModuleSwitch Setting Options Module Options ModulePhysical Data and Wiring Schematics 4-In/2-Out ModuleCondenser Total Weight Condenser Charge Additional Cooler WeightsWeight Vessel SIZE² 100Drive Component Weights Additional Condenser WeightsCompressor Weight and Elbow Weight 101102 Ð Total Motor Weight, English lbÐ Total Motor Weight, SI kg Approximate Refrigerant HCFC-134a Charge Marine Waterbox Cover WeightsNIH Waterbox Cover Weights 103104 Auxiliary Systems, Electrical DataRelief Valve Locations and Data Compressor Fits and Clearances 105Measure 106Clearance Type Description 17FX Tabulation Ð Impeller Clearances Open-Drive Compressors107 108 Press 109Temp Tewac110 111 112 113 GeneralT1-T4 114GND Ð Ground Terminal StripIndex Index Index Index Index Copyright 1997 Carrier Corporation

17EX specifications

The Carrier 17EX is recognized as an innovative air conditioning solution that combines efficiency with advanced technology. This model is designed to meet the increasing demands of residential and commercial cooling needs while maintaining environmental consciousness.

One of the standout features of the Carrier 17EX is its impressive Seasonal Energy Efficiency Ratio (SEER) rating. With a SEER rating that often exceeds 17, this unit ensures optimized energy consumption, significantly lowering operational costs for users. The incorporation of advanced compressor technology allows the system to adjust its cooling output based on the specific needs of the environment, thus providing both comfort and energy savings.

The Carrier 17EX utilizes a variable-speed inverter-driven compressor that enhances its performance and adaptability. This technology allows the air conditioning unit to operate at different speeds, intelligently adjusting to changing load conditions. As a result, the system runs more efficiently and quietly, providing a more consistent comfort level without the abrupt temperature swings associated with traditional units.

In addition to efficiency, the Carrier 17EX also prioritizes reliability and durability. The unit comes with a robust cabinet that protects the components from weather elements, ensuring longevity and consistent performance. The innovative design integrates a corrosion-resistant finish and robust insulation, which further enhances the unit's resilience in various environmental conditions.

For users concerned about indoor air quality, the Carrier 17EX includes advanced filtration systems designed to capture allergens and airborne particles. This feature is particularly beneficial for individuals with respiratory issues, ensuring that the air circulated within the space is clean and healthy.

Moreover, the Carrier 17EX is equipped with smart technology capabilities, allowing users to control their systems remotely through smartphones or other smart devices. This connectivity not only provides convenience but also empowers homeowners to optimize their energy use by adjusting settings on the fly, ensuring efficient operation even when they are away from home.

Overall, the Carrier 17EX stands out in the marketplace for its exceptional energy efficiency, advanced technology, and commitment to providing reliable and effective cooling solutions. Its combination of modern features makes it a preferred choice for those looking to enhance comfort while being mindful of energy consumption and environmental impact.
Top Page Image Contents