Carrier 69NT40-511-1 Service Manual

T-296 Rev ACarrierTransicoldContainerRefrigerationOperation&ServiceModels69NT40-511-310, 344 & 359

ivT -296TABLE OF CONTENTS -- ContinuedPARAGRAPH NUMBER Page5.5 UNIT WILL NOT TERMINATE HEATING 5-2...5.6

6-33T -296Table 6-7 Wear Limits For CompressorsFACTORYMAXIMUMFACTORYMINIMUMMAXIMUM WEARPART NAMEFACTORYMAXIMUMFACTORYMINIMUMMAXIMUMWEARBEFORE REPAIRPA

6-34T -296Table 6-8 Compressor Torque ValuesTORQUERANGESIZETORQUERANGEUSAGEDIAMETER THREADSftlbmkgUSAGE(inches) PER INCHft-lbmkg1/16 27 (pipe) 8--12 1

6-35T -296Table 6-9 R-134a Temperature - Pressure ChartTemperature Vacuum____F ____C “/hg cm/hg kg/cm@@@@ bar-- 40 -- 40 14.6 49.4 37.08 0.49.35 .37 1

6-36T -2968010012014016018020022024026028030032060 70 80 90 100 110 120psig(43.3)(37.8)(32.2)(26.7)(21.1)(15.6)____F(_C)(Bar)(5.5)(6.9)(8.3)(9.7)(11.0

6-37T -296-- 6-- 4-- 20246810121460 70 80 90 100 110 120Ambient Air Temperaturepsig_F(Bar)(.97)(.83)(.69)(.55)(.41)(.28)(.14)(0)(--.14)(--.28)(--.41)0

7-1 T -296SECTION 7ELECTRICAL WIRING SCHEMATIC7.1 INTRODUCTIONThis section contains the Electrical Schematics and Wiring Diagrams. The diagrams are pr

7-2T -296Figure 7-2 SCHEMATIC DIAGRAM -- Units with PID numbers: NT0435, NT0566 and NT0669

7-3 T -296Figure 7-3 WIRING DIAGRAM --Units with PID numbers: NT0435, NT0566 and NT0669

7-4T -296Figure 7--3 WIRING DIAGRAM -- Units with PID numbers: NT0435, NT0566 and NT0669 (continued)

7-5 T -296Figure 7-4 SCHEMATIC DIAGRAM -- Units with PID Number 0712

v T -296TABLE OF CONTENTS -- ContinuedPARAGRAPH NUMBER Page6.15 EVAPORATOR COIL AND HEAT ER ASSEMBLY 6-15...6.15

7-6T -296Figure 7-5 WIRING DIAGRAM -- Units with PID Number 0712

7-7 T -296FIGURE 7--5 WIRING DIAGRAM -- Units with PID Number 0712 (continued)

7-8T -296Figure 7-6 SCHEMATIC -- Units with PID Number 0881

7-9 T -296Figure 7-7 WIRING DIAGRAM -- Units with PID Number 0881

7-10T -296FIGURE 7--7 WIRING DIAGRAM -- Units with PID Number 0881 (continued)

Index-1 T -296INDEXAAir Cooled Condenser Section, 2-4Alarm, 3-6, 3-10, 3-12, 3-18, 3-27Arctic Drain Line, 2-12Arctic Mode, 3-4Autotransformer, 6-19BBu

Index-2T -296INDEX -- ContinuedMManifold Gauge Set, 6-1Microporcessor System, 3-1Modes Of Operation, 3-3Motor Current, 6-36OOil Level , 6-9Operational

viT -296LIST OF ILLUSTRATIONSFIGURE NUMBER PageFigure 2-1 Refrigeration Unit -- Front Section 2-1...

vii T -296LIST OF ILLUSTRATIONS -- ContinuedFIGURE NUMBER PageFigure 6-22. Thermostatic Expansion Valve -- Alco 6-14...

1-1 T -296SECTION 1INTRODUCTION1.1 INTRODUCTIONThe Carrier Transicold model 69NT40--511--310, 344,and 359 units are of lightweight aluminum frameconst

1-2T -2961.3.11 Condenser CoilThe unit may be fitted with a 2 row or 4 row coil usingnominal3/8inchtubing, ortheunitmaybefittedwitha3 row coil using 7

1-3 T -2961.3.28 EvaporatorEvaporator section options include a semi--hermeticthermal expansion valve, ahermetic thermalexpansionvalve and two sizes o

T -2962-1SECTION 2DESCRIPTION2.1 GENERAL DESCRIPTION2.1.1 Refrigeration Unit -- Front SectionThe unit is designed so that the majority of thecomponent

2-2T -2962.1.3 Evaporator SectionThe evaporator section (Figure 2-2) contains thetemperature recorder bulb or return recorder sensor,return temperatur

T -2962-32.1.4 Compressor SectionThe compressor section includes the compressor (withhigh pressure switch), power cable storagecompartment, and autotr

ã 2003 Carrier Corporation D Printed in U. S. A. 0903OPERATION AND SERVICE MANUALCONTAINER REFRIGERATION UNITModels69NT40--511--310, 344 & 359Carr

2-4T -2962.1.5 Air Cooled Condenser SectionThe air cooled condenser section (Figure 2-4) consistsofthecondenser fan, condensercoil, receiver withsight

T -2962-52.1.6 Water-Cooled Condenser SectionThe water-cooled condenser section (Figure 2-5)consists of a water-cooled condenser, sight glass,quench e

2-6T -2962.1.7 Control Box SectionThe control box (Figure 2-6) includes the manualoperationswitches; circuit breaker (CB-1); compressor,fan and heater

T -2962-72.2 REFRI GERATION SYSTEM DATANumber of Cylinders 6Model 06DRCFM 41aCompressor/MotorWeight (Dry) 118kg(260lb)a.Compressor/MotorAssemblyApprov

2-8T -2962.3 ELECTRICAL DATACB-1 Trips at 29 ampsa. Circuit BreakerCB-2 (50 amp) Trips at 62.5 ampsa.CircuitBreakerCB-2 (70 amp) Trips at 87.5 ampsb.

T -2962-9Orange wire PowerRed wire OutputBrown wire GroundInput voltage 5vdcjHumiditySensorOutput voltage 0to3.3vdcj.HumiditySensorOutput voltage read

2-10T -2962.5 REFRIGERATION CIRCUITStarting at the compressor, (see Figure 2-7, upperschematic) the suction gas is compressed to a higherpressure and

T -2962-11FILTER DRIERTXVTXV BULBMODULATING VALVEPRESSURETRANSDUCERHEAT EXCHANGERSIGHT GLASSFILTER DRIERHEAT EXCHANGERMODULATING VALVEPRESSURETRANSDUC

2-12T -2962.6 ARCTIC OPTIONThe arctic option consists of the arctic drain line, whichincorporates the drain hose heater (DHH), drain hosefuse (FDH), h

3-1T -296SECTION 3MICROPROCESSOR3.1 TEMPERATURE CONTROL MICROPRO-CESSOR SYSTEMThe temperature control Micro-Link 2i microprocessorsystem (see Figure 3

T -296Safety-1SAFETY SUMMARYGENERAL SAFETY NOTICESThe following general safety notices supplement the specific warnings and cautions appearing elsewhe

3-2T -2963.1.1 Key PadThe key pad (Figure 3- 2) is mounted on the right-handside of the control box. The key pad consists of elevenpush button switche

3-3T -296812 33 3 3 345 671. Mounting Screw2. Micro-Link 2iController3. Connectors4. Test Points5. Fuses6. Control Circuit Power Connection(Location:

3-4T -296assignments. The action taken by the OperationalSoftware will change if any one of the inputs changes.Overallinteractionoftheinputsisdescribe

3-5T -2963.3.9 Perishable Mode -- EconomyThe economy mode is an extension of the conventionalmode and is applicable to units with two speedevaporator

3-6T -296When in the frozen mode the controller maintains thereturn air temperature at set point, the RETURNindicator light will be illuminated on the

3-7T -296allows the operator to select and run any of theindividual tests.CAUTIONPre-trip inspection should not be per-formed with critical temperatur

3-8T -296Table 3 -2 DataCORDER Configuration VariablesCONFIGURATION NO.TITLE DEFAULT OPTIONdCF01 (Future Use) -- -- -- --dCF02 Sensor Configuration 2

3-9T -296Raw Data Report for ABC1234567May 31, 2001 to Jun 04, 2001SystemConfiguration atthe Time of Interrogation:Interrogated On Sept05, 2001Extract

3-10T -2963.6.4Logging Interval (dCF03)The user may configure four time intervals betweendata recordings. Data is logged at exact intervals inaccordan

3-11T -296allows interrogation,configuration variable assignment,screen view of the data, hard copy report generation,cold treatment probe calibration

Safety-2T-296SPECIFIC WARNING AND CAUTION STATEMENTS -- ContinuedW ARNINGMake sure that the unit circuit breaker(s) (CB-1 & CB-2) and the ST ART -

3-12T -2961. Fill in ISO header information2. Add a trip comment if desired3. Configure for five probes (s, r, P1, P2, P3)4. Configure for one hour lo

3-13T -296Table 3 -4 Controller Configuration VariablesCONFIGURATIONNUMBERTITLE DEFAULT OPTIONCnF01 Bypass Valve Enable In OutCnF02 Evaporator Fan Spe

3-14T -296Table 3 -5 Controller Function Codes (Sheet 1 of 4)CodeNo.TITLE DESCRIPTIONNote: If the function is not applicable, the display will read “-

3-15T -296Table 3 -5 Controller Function Codes (Sheet 2 of 4)Cd22Compressor Speed The status of the compressor is displayed (high, low or off).Cd23 Ev

3-16T -296Table 3 -5 Controller Function Codes (Sheet 3 of 4)Cd31Stagger Start OffsetT ime (Seconds)The stagger start offset time is the amount of tim

3-17T -296Table 3 -5 Controller Function Codes (Sheet 4 of 4)Display Only Functions -- ContinuedCd38Secondary SupplyTemperature SensorCode Cd38 will d

3-18T -296Table 3 -6 Controller Alarm Indications (Sheet 1 of 3)CodeNo.TITLE DESCRIPTIONAL11Evaporator Motor 1IP TripAlarm 11 is applicable to units w

3-19T -296Table 3 -6 Controller Alarm Indications (Sheet 2 of 3)AL53Battery Pack FailureAlarm 53 is caused by the battery pack charge being too low to

3-20T -296Table 3 -6 Controller Alarm Indications (Sheet 3 of 3)AL64Discharge Tempera-ture Over LimitAlarm 64 is triggered if the discharge temperatur

3-21T -296Table 3 -7 Controller Pre-Trip Test Codes (Sheet 1 of 4)CodeNo.TITLE DESCRIPTIONNOTE“Auto” or “Auto1” menu includes the: P, P1, P2, P3, P4,

T -296Safety-3SPECIFIC WARNING AND CAUTION STATEMENTS -- ContinuedCAUTIONPre-trip inspection should not be performed with critical temperature cargoes

3-22T -296Table 3 -7 Controller Pre-Trip Test Codes (Sheet 2 of 4)P5-1Supply Probe TestRequirements: For units equipped with secondary supply probe on

3-23T -296Table 3 -7 Temperature Controller Pre-Trip Test Codes (Sheet 3 of 4)Note, this test is skipped if the unit does NOT have:A compressor discha

3-24T -296Table 3 -7 Controller Pre-Trip Test Codes (Sheet 4 of 4)P8-2Perishable ModeMaintain Tempera-ture TestRequirements: Test P8-1 must pass for t

3-25T -296Table 3 -8 DataCORDER Function Code AssignmentsNOTEInapplicable Functions Display “-- -- -- -- --”To Access: Press ALT. MODE keyCodeNo.TITLE

3-26T -296Table 3-9 DataCORDER Pre-Trip Result RecordsTestNo.TITLE DATA1-0 Heater On Pass/Fail/Skip Result, Change in current for Phase A, B and C1-1

3-27T -296Table 3 -10 DataCORDER Alarm IndicationsTo Access: Press ALT. MODE keyCode No. TITLE DESCRIPTIONdAL70Recorder Supply Tem-perature Out of Ran

T -2964-1SECTION 4OPERATION4.1 INSPECTION (Before Starting)W ARNINGBeware of unannounced starting of theevaporator and condenser fans. The unitmay cyc

T -296 4-203060901201501802102400 102030405060708090100AIRFLOW(CMH)1-!/2”PERCENT OPEN50HZT-BAR2-%/8”3”T-BART-BAR040801201602002402800 1020304050607080

T -2964-3Partlow Recordersa. Open recorder door and wind mechanical clock orcheckbatteryofelectronicrecorder .Besurekeyisre-turned to storage clip of

T -296 4-4ber to the left. The user may then press the DOWNARROW torepeat the test, theUP ARROW to skiptothe next test or the PRE--TRIP key to termina

Safety-4T-296SPECIFIC WARNING AND CAUTION STATEMENTS -- ContinuedCAUTIONUse only Carrier Transicold approved Polyol Ester Oil (POE) -- Mobil ST32 comp

T -2964-5SET POINTFALLINGTEMPERATURERISINGTEMPERATURE-- 1 . 5 _C(2.7_F)-- 1 _C(1.8_F)-- 0 . 5 _C(0.9_F)--0.20_C+.20_C+1.5_C(2.7_F)+1_C(1.8_F)+0.5_C(0.

T -296 4-6CONTROL TRANSFORMERPOWER TOCONTROLLERSIGNAL TOCONTROLLERSIGNAL TOCONTROLLERENERGIZEDDE--ENERGIZEDFOR FULL DIAGRAM ANDLEGEND, SEE SECTION 7NO

T -2964-72. In low temperature ambients thecondenser fan will be cycled by thecontroller to maintain proper condensingpressure.a. With supply air temp

T -296 4-8enter defrost if the Defrost Temperature Sensor is at orbelow 25.6°C(78°F). Defrost will terminate when theDefrost Sensor Temperature readin

5-1T -296SECTION 5TROUBLESHOOTINGCONDITION POSSIBLE CAUSEREMEDY/REFERENCESECTION5.1 UNIT WILL NOT START OR STARTS THEN STOPSExternal power source OFF

5-2T -296CONDITION POSSIBLE CAUSEREMEDY/REFERENCESECTION5.3 UNIT RUNS BUT HAS INSUFFICIENT COOLINGCompressor Compressor valves defective 6.8Abnormal p

5-3T -296CONDITION POSSIBLE CAUSEREMEDY/REFERENCESECTION5.6 UNIT WILL NOT DEFROST PROPERLY --ContinuedFrequent defrost Wet load Normal5.7 ABNORMAL PRE

5-4T -296CONDITION POSSIBLE CAUSEREMEDY/REFERENCESECTION5.10 NO EVAPORATOR AIR FLOW OR RESTRICTED AIR FLOWEvaporatorcoilblockedFrost on coil 5.6Evapor

6-1T -296SECTION 6SERVICENOTETo avoid damage to the earth’ s ozone layer, use a refrigerant recovery system whenever removing refriger-ant. When worki

6-2T -2965. Front seat both manifold gauge set valves and dis-connect from cylinder . The gauge set is now readyfor use.To Low SideService PortTo High

i T -296TABLE OF CONTENTSPARAGRAPH NUMBER PageGENERAL SAFETY NOTICES Safety-1...FIRST AID Saf

6-3T -296c. Frontseat the suction service valve. The refrigerantwill be trapped between the compressor suction ser-vice valve and the liquid line valv

6-4T -2966457DS10123891. Reclaimer2. Discharge ServiceValve3. Compressor4. Suction Service Valve5. Receiver or WaterCooled Condenser6. Liquid Service

6-5T -296e. Partiallyfrontseat(turnclockwise)thesuctionservicevalve and slowly add charge until the refrigerantappears at the proper level .6.8 COMPRE

6-6T -296possible internal pressure by loosening thebolts and tapping the component with asoft hammer to break the seal.CAUTIONRemoving the compressor

6-7T -29621345Set screw must be removed.1. Oil Pump & BearingHead2. Thrust Washer3. Oil Pickup Tube4. Oil Inlet Port5. Oil Pump InletFigure 6-9 Oi

6-8T -2961231. Equalizer Tube andLock Screw Assembly2. Lockwasher3. Counterweight --Motor EndFigure 6-12 Equalizing Tube and Lock ScrewAssembly1234567

6-9T -2966.8.5 Installing the Componentsa. Pushpistonsfromtheinsideofthecrankcasethroughthe cylinders, being careful not to break the rings.Place rods

6-10T -2961 If the oil level is above one-eighth sight glass, oilmust be removed from t he compressor.2 Close (frontseat) suction service valve and pu

6-11T -296¦1/16”) back from edge of the venturi. Spin fan byhand to check clearance.e. Close and secure condenser fan screen guard.f. Apply power to u

6-12T -296tact occurs. Do not allow the solution tosplash onto concrete.5. Fill the tubes with this solution by filling from the bot-tom. See Figure 6

iiT -296TABLE OF CONTENTS -- ContinuedPARAGRAPH NUMBER PageDESCRIPTION 2-1...

6-13T -296The valve functions are:1. Automaticcontrolof therefrigerant flowto matchtheevaporator load.2. Prevention of liquid refrigerant entering the

6-14T -296Copper Tube(Apply heat for10-15 seconds)Bi-metallic T ube Connection(Apply heat for 2-5 seconds)Use of a wet cloth is not neces-sary due to

6-15T -296into the indentation of the suction line. SeeFigure 6-19 for bulb placement.4 Check superheat. (Refer to paragraph 6.14.2 step6.14.1 ) Conta

6-16T -296a. Assemble the motor and plastic spacer onto the sta-tor.b. Apply loctite to the 1/4-20 x 3/4 long bolts and torqueto 0.81 mkg (70 inch-pou

6-17T -2962-1/8 inch Nut121. Suction Modulation Valve (SMV)2. Stepper Drive (SD)Figure 6-24 Suction Modulation Valve (SMV)6.18.1 Precheck Procedurea.

6-18T -296the suction gauge. Within one minute the suctionpressure will go into a vacuum. This is an indicationthat the valve is moving.4. If no chang

6-19T -2966.19 AUTOTRANSFORMERIf the unit does not start, check the following:a. Make sure the 460 vac (yellow) power cable isplugged into the recepta

6-20T -296TP 9This test point is the chassis (unit frame) groundconnection.TP 10This test point enables the user to check if the heattermination therm

6-21T -296mixture reaches 0_C(32_F) measured on a labora-tory thermometer.b. Start unit and check sensor reading on the controlpanel.The readingshould

6-22T -296k. Heattubingtoshrinkoversplice.Makesureallseamsare sealed tightly against the wiring to prevent mois-ture seepage.l. Slide large heat shrin

iii T -296TABLE OF CONTENTS -- ContinuedPARAGRAPH NUMBER Page3.6.4 Logging Interval (dCF03) 3-10...

6-23T -296If thepowerhasbeenOFF formorethanthreedays,therecorder will NOT re--synchronize (the chart will notadvance to present time), the pen tip wil

6-24T -296123456789101. Recorder Door2. Change Chart Button3. Recorder Box4. Pen Tip5. Stylus Arm6. Connector7. Calibration Button (Located underneath

6-25T -296NOTEUse chart CTD P/N 09-00128-00 (°F)P/N 09-00128-01 (°C).a. Press the “Calibration” button (item 7, Figure 6-31)on the bottom of the recor

6-26T -296a. Check With Temperature TesterThe bulb mounted thermistor may be read using aSimpson Meter, CTC P/N 07-00013 or RobinairThermistor Tempera

6-27T -29612345678910111. Mechanical TemperatureRecorder Bulb2. Element3. Recorder Box4. 31 Day Clock5. Mechanism and Platen Assembly6. Set Screw7. Pi

6-28T -296temperature. Rotate the chart by hand. Theindicated temperature should be 0°C(32°F).6.24.3Replacing Sensor Probea. Remove box from unit.b. R

6-29T -2966.25 MAINTENANCE OF PAINTED SURFACESThe refrigeration unit is protected by a special paintsystem against the corrosive atmosphere in which i

6-30T -296Materials needed:1. Cuttwosquarepiecesof 3mmthick(1/8inch)alumi-num or stainless steelapproximately 40 mm (1 5/8”)square. These squares will

6-31T -2960303030303040403010707050506INSERT PART NUMBERS 34--06231--## WHERE THE ## IS AS INDICATEDFigure 6-35. Insert Location

6-32T -2966.27 COMMUNICATIONS INTERF ACE MODULEINSTALLATIONCommunicationsinterface ModuleCB1Figure 6-36. Communications InterfaceInstallationUnits wit