Carrier 17EX specifications Protective Safety Limits and Control Settings

Page 34

Table 3 Ð Protective Safety Limits and Control Settings

MONITORED PARAMETER

LIMIT

APPLICABLE COMMENTS

TEMPERATURE SENSORS

±40 to 245 F (±40 to 118.3 C)

Must be outside range for 2 seconds

OUT OF RANGE

 

 

PRESSURE TRANSDUCERS

0.08 to 0.98 Voltage Ratio

Must be outside range for 2 seconds.

OUT OF RANGE

Ratio = Input Voltage ÷ Voltage Reference

 

COMPRESSOR DISCHARGE

.220 F (104.4 C)

Preset, alert setting con®gurable

TEMPERATURE

 

 

BEARING TEMPERATURE

.220 F (104.4 C)

Preset, alert setting con®gurable

EVAPORATOR REFRIGERANT

,33 F (for water chilling) (0.6° C)

Preset, con®gure chilled medium for water

(Service1 table)

TEMPERATURE

 

 

Con®gure chilled medium for brine (Service1

(Temp converted from Pressure

,Brine Refrigerant Trippoint (set point adjustable

Reading)

from 0 to 40 F [±18 to 4 C] for brine chilling)

table). Adjust brine refrigerant trippoint for

 

 

proper cutout

TRANSDUCER VOLTAGE

,4.5 vdc . 5.5 vdc

Preset (Read voltage at terminals 34 and 35

on PSIO module)

 

 

CONDENSER PRESSURE Ð SWITCH

.218 ± 7 psig (1503 ± 48 kPa),

Preset

reset at 120 ± 10 (827 ± 69 kPa)

 

 

Ð CONTROL

215 psig (1482 kPa)

Preset

COMPRESSOR OIL PRESSURE Ð SWITCH

Cutout ,11 psid (76 kPad) ± 1.5 psid (10.3 kPad)

Preset, no calibration needed

 

Cut-in .16.5 psid (114 kPad) ± 4 psid (27.5 kPad)

 

 

Ð CONTROL

Cutout ,15 psid (103 kPad)

Preset

Alert ,18 psid (124 kPad)

 

 

LINE VOLTAGE Ð HIGH

.110% for one minute

Preset, based on transformed line voltage to

Ð LOW

,90% for one minute or <85% for 3 seconds

24 vac rated-input to the Starter Management

Ð SINGLE-CYCLE

 

Module. Also monitored at PSIO power input.

,50% for one cycle

 

COMPRESSOR MOTOR LOAD

.110% for 30 seconds

Preset

,10% with compressor running

Preset

(% Compressor Amps)

.10% with compressor off

Preset

 

STARTER ACCELERATION TIME

.45 seconds

For chillers with reduced voltage mechanical

(Determined by inrush current

and solid-state starters

 

going below 100% compressor

.10 seconds

For chillers with full voltage starters

motor load)

(Con®gured on Service1 table)

STARTER TRANSITION

.75 seconds

Reduced voltage starters only

 

Energizes condenser pump relay if condenser refrigerant tem-

 

CONDENSER FREEZE

perature or condenser entering water temperature is below the

CONDENSER FREEZE POINT con®gured in

con®gured condenser freeze point temperature. Deenergizes

Service01 table with a default setting of

PROTECTION

when the temperature is 5 F (3 C) above condenser freeze point

34 F (1 C).

 

 

temperature.

 

IMPELLER CLEARANCE

Displacement switch open

Thrust movement excessive

MOTOR LEAK DETECTOR (TEWAC

 

Water sensors are installed only on open-drive

Water from motor cooling is leaking

motors that use water cooling. (Totally enclosed,

MOTORS ONLY)

 

water-to-air cooled [TEWAC] motors)

 

 

GEAR OIL TEMPERATURE

Cut-Out > 150 F (66 C)

Preset

Ð CONTROL

Alert > 130-145 (54 - 63 C)

Adjustable

GEAR OIL PRESSURE

Cut-out < 12 psi (83 kPa)

Preset

ÐCONTROL

Alert < 15-20 psi (103 - 139 kPa)

Adjustable

FLOW SWITCHES (Field Supplied)

Operate water pumps with chiller off. Manually reduce water ¯ow and observe switch for proper cutout. Safety shutdown occurs when cutout time exceeds 3 seconds.

CUT-OFF

SETTING

ADJUSTMENT

SCREW

Carrier Part No. HK06ZC001

NOTE: Dimensions in parentheses are in millimeters.

Carrier Part No. HK06ZC033

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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 Abbreviations Introduction17EX Chiller Familiarization 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 PIC LIDPsio GRD Equip GND ÐTewac PROCESSOR/SENSOR INPUT/OUTPUT Module Psio LID Operation and Menus FigGeneral 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 SelectExample 3 Ð STATUS03 Display Screen Example 2 Ð STATUS02 Display ScreenMenu Status Example 5 Ð Setpoint Display Screen Example 4 Ð STATUS04 Display ScreenMenu ECW Control Option Example 6 Ð Configuration Config Display ScreenICE Build Termination 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 TemperatureExample 14 Ð Maintenance MAINT04 Display Screen Example 13 Ð Maintenance MAINT03 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 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 Check Optional Pumpout Compressor Water Pip Inspect Wiring900 500 901 7000 1000 7001-14500 2500 External Gear Pre-Start Checks Recommended Motor Fastener Tightening TorquesExternal Gear Lubrication System Mechanical Starters Check StarterSOLID-STATE Starters Input the Design Set Points Ð To modify the set Set Up Chiller Control CongurationInput the Local Occupied Schedule OCCPC01S Surge Limiting or Change the LID Configuration if NecessaryT1/P1 Full Load Points T2/P2 Increase P1 by Decrease P1 by Load Surge Prevention Occurs TOO Soon Occurs TOO Late50% Control Test Menu Functions Charge Refrigerant into ChillerInitial START-UP Tests to be Devices Tested PerformedCheck Motor Rotation Dry Run to Test Start-Up SequenceInitial Motor START-UP 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 Filters17EX Chiller Oil Specications Compressor OILPumpout 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 ModuleStarter Management Module SMM Fig Processor/Sensor Input/Output Module Psio FigGRD 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 101Ð Total Motor Weight, SI kg Ð Total Motor Weight, English lb102 Approximate Refrigerant HCFC-134a Charge Marine Waterbox Cover WeightsNIH Waterbox Cover Weights 103Relief Valve Locations and Data Auxiliary Systems, Electrical Data104 Compressor Fits and Clearances 105Clearance Type Description 106Measure 107 Tabulation Ð Impeller Clearances Open-Drive Compressors17FX 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.
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