Carrier 17EX specifications Starts Limit Exceeded, Autorestart in Progress

Page 87

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

with Troubleshooting Guides (cont)

D. PRE-START ALERTS: These alerts only delay start-up. When alert is corrected, the start-up will continue. No reset is necessary.

PRIMARY MESSAGE

SECONDARY MESSAGE

 

 

ALARM MESSAGE/PRIMARY CAUSE

ADDITIONAL CAUSE/REMEDY

PRESTART ALERT

STARTS LIMIT EXCEEDED

STARTS EXCESSIVE Compressor Starts (8 in

Depress the RESET softkey if additional start is

 

 

12 hours)

required. Reassess start-up requirements.

PRESTART ALERT

HIGH MOTOR TEMPERATURE

MTRW [VALUE] exceeded limit of [LIMIT]*.

Check motor cooling line for proper operation.

 

 

Check motor temperature.

Check for excessive starts within a short time

 

 

 

 

 

span.

PRESTART ALERT

HIGH BEARING TEMPERATURE

MTRB [VALUE] exceeded limit of [LIMIT]*.

Check oil heater for proper operation, check for

 

 

Check thrust bearing temperature.

low oil level, partially closed oil supply valves,

 

 

 

 

 

etc. Check sensor accuracy.

PRESTART ALERT

HIGH DISCHARGE TEMP

CMPD [VALUE] exceeded limit of [LIMIT]*.

Check sensor accuracy. Allow discharge tem-

 

 

Check discharge temperature.

perature to cool. Check for excessive starts.

PRESTART ALERT

LOW REFRIGERANT TEMP

ERT [VALUE] exceeded limit of [LIMIT]*. Check

Check transducer accuracy. Check for low chilled

 

 

refrigerant temperature.

water/brine supply temperature.

PRESTART ALERT

LOW OIL TEMPERATURE

OILT [VALUE] exceeded limit of [LIMIT]*.

Check oil heater power, oil heater relay. Check

 

 

Check oil temperature.

oil level.

PRESTART ALERT

LOW LINE VOLTAGE

V

 

P [VALUE] exceeded limit of [LIMIT]*.

Check voltage supply. Check voltage transform-

 

 

Check voltage supply.

ers. Consult power utility if voltage is low. Cali-

 

 

 

 

 

brate voltage reading on STATUS01 Table.

PRESTART ALERT

HIGH LINE VOLTAGE

V

 

P [VALUE] exceeded limit of [LIMIT]*.

Check voltage supply. Check voltage transform-

 

 

Check voltage supply.

ers. Consult power utility if voltage is low. Cali-

 

 

 

 

 

brate voltage reading on STATUS01 table.

PRESTART ALERT

HIGH CONDENSER PRESSURE

CRP [VALUE] exceeded limit of [LIMIT]*. Check

Check for high condenser water temperature.

 

 

condenser water and transducer.

Check transducer accuracy.

PRESTART ALERT

HIGH GEAR OIL TEMP

GEAOILT [VALUE] exceeded limit of [LIMIT].*

Check for cooler water ¯ow. Check sensor for

 

 

Check gear oil cooler ¯ow.

accuracy.

 

 

 

 

 

 

*[LIMIT] is shown on the LID as temperature, pressure, voltage, etc., set point prede®ned 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.

E. NORMAL OR AUTO.-RESTART

PRIMARY MESSAGE

SECONDARY MESSAGE

PROBABLE CAUSE/REMEDY

STARTUP IN PROGRESS

OCCUPIED MODE

Chiller starting. Time schedule is occupied.

STARTUP IN PROGRESS

REMOTE CONTACT CLOSED

Chiller starting. Remote contacts are closed.

STARTUP IN PROGRESS

START COMMAND IN EFFECT

Chiller starting. Chiller START/STOP on STATUS01 manually forced

to start.

 

 

AUTORESTART IN PROGRESS

OCCUPIED MODE

Chiller starting. Time schedule is occupied.

AUTORESTART IN PROGRESS

REMOTE CONTACT CLOSED

Chiller starting. Remote contacts are closed.

AUTORESTART IN PROGRESS

START COMMAND IN EFFECT

Chiller starting. Chiller START/STOP on STATUS01 manually forced

to start.

 

 

F. SPARE SENSOR ALERT MESSAGES

PRIMARY MESSAGE

SECONDARY MESSAGE

ALARM MESSAGE/PRIMARY CAUSE

ADDITIONAL CAUSE/REMEDY

SPARE SENSOR ALERT

COMMON CHWS SENSOR

Sensor Fault: Check common CHWS sensor.

 

SPARE SENSOR ALERT

COMMON CHWR SENSOR

Sensor Fault: Check common CHWR

 

 

 

sensor.

 

SPARE SENSOR ALERT

REMOTE RESET SENSOR

Sensor Fault: Check remote reset tempera-

 

 

 

ture sensor.

 

SPARE SENSOR ALERT

TEMP SENSOR Ð SPARE 1

Sensor Fault: Check temperature sensor Ð

 

 

 

Spare 1.

 

SPARE SENSOR ALERT

TEMP SENSOR Ð SPARE 2

Sensor Fault: Check temperature sensor Ð

 

 

 

Spare 2.

 

SPARE SENSOR ALERT

TEMP SENSOR Ð SPARE 3

Sensor Fault: Check temperature sensor Ð

Check alert temperature set points on EQUIP-

 

 

Spare 3.

 

 

MENT SERVICE table, SERVICE2 screen.

SPARE SENSOR ALERT

TEMP SENSOR Ð SPARE 4

Sensor Fault: Check temperature sensor Ð

Check sensor for accuracy if reading is not

 

 

Spare 4.

 

 

accurate.

SPARE SENSOR ALERT

TEMP SENSOR Ð SPARE 5

Sensor Fault: Check temperature sensor Ð

 

 

 

Spare 5.

 

SPARE SENSOR ALERT

TEMP SENSOR Ð SPARE 6

Sensor Fault: Check temperature sensor Ð

 

 

 

Spare 6.

 

SPARE SENSOR ALERT

TEMP SENSOR Ð SPARE 7

Sensor Fault: Check temperature sensor Ð

 

 

 

Spare 7.

 

SPARE SENSOR ALERT

TEMP SENSOR Ð SPARE 8

Sensor Fault: Check temperature sensor Ð

 

 

 

Spare 8.

 

SPARE SENSOR ALERT

TEMP SENSOR Ð SPARE 9

Sensor Fault: Check temperature sensor Ð

 

 

 

Spare 9.

 

87

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Contents Safety Considerations Start-Up, Operation, and Maintenance InstructionsContents Inspect Water Piping Piping Check Relief Devices Inspect WiringOCCPC01S Input Service Congurations Coupling Maintenance Motor MaintenanceContents Introduction Abbreviations17EX Chiller Familiarization Certified PerformanceTypical 17EX Chiller Components Lubrication Cycle OIL Cooling CycleRefrigeration, Cycle Starters17EX Compressor Lubrication Cycle Denitions ControlsProcessor Sensor Input/Output Module Control Center Temperature Sensors See Fig Pressure TransducersMajor PIC Components Panel Locations PIC Component Panel Location17EX Controls and Sensor Locations LID PICPsio Equip GND Ð GRDTewac LID Operation and Menus Fig PROCESSOR/SENSOR INPUT/OUTPUT Module PsioGeneral LID Service Screen Override Operations YES or no , on or OFF , etc. to select the desired state17EX LID Menu Structure Default ScreenControl Test Service TableAlarm History Equipment ConfigurationLID CCNCarrier Comfort Network Hgbp Ð Hot Gas BypassHgbp SetpointChwr ChwsMenu Status Select Description Range Units Reference Point Name Alarm HistoryLID Display Data Example 1 Ð STATUS01 Display ScreenExample 2 Ð STATUS02 Display Screen Example 3 Ð STATUS03 Display ScreenMenu Status Example 4 Ð STATUS04 Display Screen Example 5 Ð Setpoint Display ScreenMenu Example 6 Ð Configuration Config Display Screen ECW Control OptionICE Build Termination LAG =2, Standby =3 Example 7 Ð LEAD/LAG Configuration Display ScreenExample 8 Ð SERVICE1 Display Screen Menu Service Example 9 Ð SERVICE2 Display ScreenSpare Alert Enable Example 10 Ð SERVICE3 Display ScreenBearing Temperature Example 11 Ð Maintenance MAINT01 Display ScreenExample 12 Ð Maintenance MAINT02 Display Screen Discharge TemperatureExample 13 Ð Maintenance MAINT03 Display Screen Example 14 Ð Maintenance MAINT04 Display ScreenDescription RANGE/STATUS Units Reference Point Name 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 Example of Holiday Period Screen To Access the Service ScreensRecycle Sequence Fig START-UP/SHUTDOWNPage Motor Before Initial START-UPJob Data Required Equipment RequiredPage 17EX Leak Test Procedures Temperature C Ð HFC-134a Pressure Ð Temperature FÐ HFC-134a Pressure Ð Temperature C Temperature FDehydration Cold Trap Inspect Wiring Check Optional Pumpout Compressor Water Pip900 500 901 7000 1000 7001-14500 2500 Recommended Motor Fastener Tightening Torques External Gear Pre-Start ChecksExternal Gear Lubrication System Check Starter Mechanical StartersSOLID-STATE Starters Set Up Chiller Control Conguration Input the Design Set Points Ð To modify the setInput the Local Occupied Schedule OCCPC01S Change the LID Configuration if Necessary Surge Limiting orT1/P1 Full Load Points T2/P2 Load Surge Prevention Occurs TOO Soon Occurs TOO Late Increase P1 by Decrease P1 by50% Tests to be Devices Tested Performed Charge Refrigerant into ChillerInitial START-UP Control Test Menu FunctionsDry Run to Test Start-Up Sequence Check Motor RotationInitial Motor START-UP Page Flange Nut Tightening Torques Low Speed Couplings Only General Recommendations Calibrate Motor Current Demand SettingCheck Oil Pressure and Compressor Stop To Prevent Accidental Start-Up Ð The PIC can beStopping the Chiller Operating InstructionsOperator Duties Starting the ChillerOperating the Optional Pumpout Compressor Pumpout and Refrigerant Transfer ProceduresPlant Chiller Serial No Chiller Model No Refrigerant Type Rear View Valve Condition RLAReturn Chiller to Normal Operating Conditions General MaintenanceChecking Guide Vane Linkage Ð Refer to Fig Contact Seal Maintenance Refer to ÐContact Seal Page Checking Preliminary Alignment Chiller AlignmentMeasuring Angular Misalignment Elevation Alignment Formula HOT Alignment Check Adjusting Angular Misalignment in PlanDoweling Correcting Parallel MisalignmentChanging the Oil Filters Weekly MaintenanceScheduled Maintenance Check Safety and Operating Controls MonthlyCompressor OIL 17EX Chiller Oil SpecicationsPumpout Typical Float Valve Arrangement Sleeve Bearings Page Motor Riggings Inspect the Heat Exchanger Tubes Controls for Optional Pumpout Compressor Troubleshooting GuidePage MAINT04 MAINT01MAINT02 MAINT03PIC 1CR AUXOilpd OiltAutorestart in Progress Starts Limit ExceededFailure to Stop FaultOperation Potential FREEZE-UPRunning Ð Demand Limited Running Ð Temp ControlChiller Protect Limit Faults Autorestart Pending Sensor Fault AlertLOW OIL Pressure AlertDESCRIPTION/MALFUNCTION Probable CAUSE/REMEDY Possible Cause Action External Gear Troubleshooting GuideProblem Possible Cause Ð Item NO.sTemperature Voltage Resistance Drop Ð Thermistor Temperature F vs Resistance/Voltage DropTemperature Voltage Resistance Drop Ð Thermistor Temperature C vs Resistance/Voltage DropInput Options Module Module SwitchControl Modules Module AddressProcessor/Sensor Input/Output Module Psio Fig Starter Management Module SMM FigGRD Options Module Installation of NEW Psio ModuleSwitch Setting Options Module Four-In/Two-Out Module Fig4-In/2-Out Module Physical Data and Wiring Schematics100 Additional Cooler WeightsWeight Vessel SIZE² Condenser Total Weight Condenser Charge101 Additional Condenser WeightsCompressor Weight and Elbow Weight Drive Component WeightsÐ Total Motor Weight, English lb Ð Total Motor Weight, SI kg102 103 Marine Waterbox Cover WeightsNIH Waterbox Cover Weights Approximate Refrigerant HCFC-134a ChargeAuxiliary Systems, Electrical Data Relief Valve Locations and Data104 105 Compressor Fits and Clearances106 Clearance Type DescriptionMeasure Tabulation Ð Impeller Clearances Open-Drive Compressors 10717FX 108 Tewac 109Temp Press110 111 112 General 113Terminal Strip 114GND Ð Ground T1-T4Index 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.
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