Carrier Container Refrigeration Unit Manual de Serviço

Container RefrigerationT-318 Rev AOPERATION AND SERVICEfor69NT40-541-300 TO 399Container Refrigeration Unitsr

T -318Safety--1SAFETY SUMMARYGENERAL SAFETY NOTICESThe following general safety notices supplement the specific warnings and cautions appearing elsewh

6-- 32T--3188010012014016018020022024026028030032060 70 80 90 100 110 120psig(43.3)(37.8)(32.2)(26.7)(21.1)(15.6)( Degrees C)(Bar)(5.5)(6.9)(8.3)(9.7)

6-- 33T--318-- 6-- 4-- 20246810121460 70 80 90 100 110 120Ambient Air Temperaturepsig(Bar)(.97)(.83)(.69)(.55)(.41)(.28)(.14)(0)(-.14)(-.28)(-.41)0 F

7--1 T -318SECTION 7ELECTRICAL WIRING SCHEMATIC7.1 INTRODUCTIONThis section contains the Electrical Schematics and Wiring Diagrams. The diagrams are p

7-- 2T--318SYMBOL DESCRIPTION (Normal Schematic Location)(Single Evap. Fan Schematic Location)AMBS AMBIENT SENSOR (D--19) [D--23]BM BYPASS MODULE (Fig

7--3 T -3186HeaterFCCHFCCHFigure 7-2 SCHEMATIC DIAGRAM -- Units with Normal Evaporator Fan Capability

7-- 4T--318FCCHFCCHFigure 7-3 SCHEMATIC DIAGRAM -- Units with Single Evaporator Fan Capability

7--5 T -318TO KB7T ransFRESH ControllerSTSEE FIGURE7--2 or 7--3TRSEE FIGURE7--2 or 7--3Lower Air Exchange VPSUpper Air Exchange VPSFigure 7-4 SCHEMATI

7-- 6T--318To S T 10To TR X 2To QC 1To QC 1To QC 1To MC 6CONTROLLERFigure 7-5 SCHEMATIC DIAGRAM -- Emergency Bypass

7--7 T -318NOTE: STANDARD CONTROLLER J UMPERS: MA3 TO MA7 AND MA9 TO MA11(SEE Figure 7-2) ARE REMOVED IN THIS APPLICATIONCR8CR2CR3CR4CR6CR5NOTE: STAND

7-- 8T--318TRC1TRC2KB7[DF11](ICFMAYBEINCONTROL BOX)WIRES TO TR X2:DF--(TFC), P--(TFC),BMA2,CIB1, GRD,CHA2, RMA, KA12,EFA2, HRA2 & CR8[CFS--2]UPPER

Safety--2T-318SPECIFIC WARNING AND CAUTION STATEMENTSThe statements listed below are applicable to the refrigeration unit and appear elsewhere in this

7--9 T -318NOTE: WHEN EB, ED, BM OR CFS IS/ARE INSTALLED, WIRE DESTINATIONS CHANGE FROM THE STANDARD.ADDRESSES FOR THE CHANGED DESTINATIONS ARE SHOWN

7-- 10T--318LOWER VPSTRC1TRC2KB7[DF11]UPPER VPS(ICFMAYBEINCONTROL BOX)ECG1[EB8]WIRES TO TR X2:DF-- (TFC),P-- (TFC),BMA2,CIB1,GRD, CHA2,RMA, KA12,EF A2

7--11 T-318CFSKA6CFA1KB7NOTE: RM MAYBE OUTSIDEBOXKA1KB7SMVD[BM2B]SMVB[BM2A]SMVA[BM1A]SMVC[BM1B][UVPS1][UVPS2][HPRB]TFC1[RMC]RMDRMBFigure 7-8 UNIT WIRI

Index--1 T -318INDEXAAir Cooled Condenser Section, 2--4Alarm, 3--6, 3--9, 3--12, 3--18, 3--27Arctic Mode, 3--4BBulb Mode, 3--5CCapacitors, 6--15Checki

Index--2T -318INDEX -- ContinuedMManifold Gauge Set, 6--1Microporcessor System, 3--1Modes of Operation, 3--4Motor Current, 6--32OOil Level, 6--9Operat

©2007 Carrier Corporation D PrintedinU.S.A.05/07Carrier Transicold Division,Carrier CorporationContainer Products GroupP.O. Box 4805Syracuse, N.Y. 132

T -318Safety--3WARNINGWith power OFF discharge the capacitorbefore disconnecting the circuit wiring.WARNINGThe unit power plug must be disconnectedto

Safety--4T-318CAUTIONThe unit will remain in the full cooling modeas long as the emergency bypass switch isin the BYPASS position and the MODESWITCH i

T -318Safety--5CAUTIONDo not allow moisture to enter wire splicearea as this may affect the sensor resis-tance.CAUTIONDo not allow the recorder stylus

1--1 T -318SECTION 1INTRODUCTION1.1 INTRODUCTIONThe Carrier Transicold model 69NT40-541-300/399series units are of lightweight aluminum frameconstruct

1-- 2T -3181.3.14 Temperature RecorderThe units may be fitted with an electronic temperaturerecording device.1.3.15 GuttersRain gutters may be fitted

T -3182-- 1SECTION 2DESCRIPTION2.1 GENERAL DESCRIPTION2.1.1 Refrigeration Unit -- Front SectionThe unit is designed so that the majority of thecompone

T -3182-- 22.1.3 Evaporator SectionThe evaporator section (Figure 2-2) contains the returntemperature sensor , humidity sensor , thermostaticexpansion

T -3182-- 32.1.4 Compressor SectionThe compressor section includes the compressor (withhigh pressure switch), power cable storagecompartment, and auto

OPERATION AND SERVICE MANUALCONTAINER REFRIGERATION UNITModels69NT40 -541-300 to 399

T -3182-- 42.1.5 Air-cooled Condenser SectionThe air-cooled condenser section (Figure 2-4) consistsof the condenser fan, condenser coil, receiver with

T -3182-- 52.1.6 Water -Cooled Condenser SectionThe water-cooled condenser section (Figure 2-5)consists of a water-cooled condenser, sight glass,quenc

T -3182-- 62.1.7 Control Box SectionThe control box (Figure 2-6) includes the manualoperation switches, circuit breaker (CB-1), compressor,fan and hea

T -3182-- 72.2 REFRI GERATION SYSTEM DATAa. Compressor/MotorAssemblyNumber of Cylinders 6Model 06DRCFM 41Weight (Dry) 118kg(260lb)Approved Oil Castrol

T -3182-- 82.3 ELECTRICAL DATAa. Circuit BreakerCB-1 T rips at 29 ampsCB-2 (50 amp) Trips at 62.5 ampsCB-2 (70 amp) Trips at 87.5 ampsb. CompressorMot

T -3182-- 92.3 ELECTRICAL DATA (Continued)h. Humidity SensorOrange wire PowerRed wire OutputBrown wire GroundInput voltage 5vdcOutput voltage 0to3.3vd

T -3182-- 102.5 REFRIGERATION CIRCUITStarting at the compressor (see Figure 2-7, upperschematic), the suction gas is compressed to a higherpressure an

T -3182-- 11FILTER DRIERTXVTXV BULBMODULATING VALVEPRESSURETRANSDUCERHEAT EXCHANGERSIGHT GLASSFILTER DRIERHEAT EXCHANGERMODULATING VALVEPRESSURETRANSD

T -3183-- 1SECTION 3MICROPROCESSOR3.1 TEMPERATURE CONTROL MICROPRO-CESSOR SYSTEMThe temperature control Micro-Link 3 microprocessorsystem (see Figure

T -3183-- 23.1.1 KeypadThe keypad (Figure 3-2) is mounted on the right-handside of the control box. The keypad consists of 11 pushbutton switches that

i T -318TABLE OF CONTENTSPARAGRAPH NUMBER PageGENERAL SAFETY NOTICES Safety--1...FIRST AID Sa

T -3183-- 3812 33 3 3 345 671. Mounting Screw2. Micro-Link 3Controller3. Connectors4. Test Points5. Fuses6. Control Circuit Power Connection(Location:

T -3183-- 4To access the function codes, perform the following:a. Press the CODE SELECT key, then press an arrowkey until the left window displays the

T -3183-- 53.3.8 Perishable Mode -- ConventionalThe unit is capable of maintaining supply airtemperature to within +/- 0.25 degrees C(+/- 0.5 degrees

T -3183-- 6additional capability of selecting dehumidification setpoints from 60 to 95% (instead of the normal 65 to 95%).In addition, if bulb mode is

T -3183-- 7To Display Alarm Codes:a. While in the Default Display mode, press the ALARMLIST key. This accesses the Alarm List Display Mode,which displ

T -3183-- 8a. Operational SoftwareThe operational software reads and interprets inputs foruse by the configuration software. The inputs arelabeled Fun

T -3183-- 9Table 3-3 DataCORDER Standard ConfigurationsStandardConfig.Description2 sensors(dCF02=2)2 thermistor inputs(supply & return)5 sensors(d

T -3183-- 10Raw Data Report for AB C1234567May 31, 2003 to Jun 04, 2003System Configuration at the Time of Interrogation:Interrogated On Sept 05, 2003

T -3183-- 113.6.9 Pre-T rip Data RecordingThe DataCORDER will record the initiation of a pre-triptest (refer to paragraph 3.5) and the results of each

T -3183-- 12b. Pre-cool the container to the treatment temperatureor below.c. Install the DataCORDER module battery pack (if notalready installed).d.

iiT -318TABLE OF CONTENTS -- ContinuedPARAGRAPH NUMBER PageDESCRIPTION 2--1...

T -3183-- 13Table 3-4 Controller Configuration VariablesCONFIGURATIONNUMBERTITLE DEFAULT OPTIONCnF01 Bypass Valve Enable In OutCnF02 Evaporator Fan Sp

T -3183-- 14Table 3-5 Controller Function Codes (Sheet 1 of 4)CodeNo.TITLE DESCRIPTIONNote: If the function is not applicable, the display will read “

T -3183-- 15Table 3-5 Controller Function Codes (Sheet 2 of 4)CodeNo.TITLE DESCRIPTIONCd24ControlledAtmosphere StateNot used in this applicationCd25Co

T -3183-- 16Table 3-5 Controller Function Codes (Sheet 3 of 4)CodeNo.TITLE DESCRIPTIONCd31Stagger Start OffsetT ime (Seconds)The stagger start offset

T -3183-- 17Table 3-5 Controller Function Codes (Sheet 4 of 4)CodeNo.TITLE DESCRIPTIONCd38Secondary SupplyTemperature SensorCode Cd38 will display the

T -3183-- 18Table 3-6 Controller Alarm Indications (Sheet 1 of 3)CodeNo.TITLE DESCRIPTIONAL11Evaporator Motor 1IP TripAlarm 11 is applicable to units

T -3183-- 19Table 3-7 Controller Alarm Indications (Sheet 2 of 3)CodeNo.TITLE DESCRIPTIONAL54Primary Supply Tem-perature SensorFailure (STS)Alarm 54 i

T -3183-- 20Table 3-8 Controller Alarm Indications (Sheet 3 of 3)CodeNo.TITLE DESCRIPTIONAL66Suction PressureT ransducer FailureAlarm 66 is triggered

T -3183-- 21Table 3-9 Controller Pre-Trip Test Codes (Sheet 1 of 4)CodeNo.TITLE DESCRIPTIONNOTE“Auto” or “Auto1” menu includes the: P, P1, P2, P3, P4,

T -3183-- 22Table 3-9 Controller Pre-Trip Test Codes (Sheet 2 of 4)CodeNo.TITLE DESCRIPTIONP5-1 Supply Probe TestRequirements: For units equipped with

iii T -318TABLE OF CONTENTS -- ContinuedPARAGRAPH NUMBER Page3.6.5 Thermistor Format (dCF04) 3--9...

T -3183-- 23Table 3-9 Temperature Controller Pre-Trip Test Codes (Sheet 3 of 4)CodeNo.TITLE DESCRIPTIONP7-0High PressureSwitch Closed(Continued)Note,

T -3183-- 24Table 3-9 Controller Pre-Trip Test Codes (Sheet 4 of 4)CodeNo.TITLE DESCRIPTIONP8-2Perishable ModeMaintain Tempera-ture TestRequirements:

T -3183-- 25Table 3-10 DataCORDER Function Code AssignmentsNOTEInapplicable Functions Display “-- -- -- -- -- ”To Access: Press ALT. MODE keyCodeNo.TI

T -3183-- 26Table 3-11 DataCORDER Pre-Trip Result RecordsTestNo.TITLE DATA1-0 Heater On Pass/Fail/Skip Result, Change in current for Phase A, B and C1

T -3183-- 27Table 3-12 DataCORDER Alarm IndicationsTo Access: Press ALT. MODE keyCode No. TITLE DESCRIPTIONdAL70Recorder Supply Tem-perature Out of Ra

T -3184-- 1SECTION 4OPERATION4.1 INSPECTION (Before Starting)WARNINGBeware of unannounced starting of theevaporator and condenser fans. The unitmay cy

T--3184-- 24.3.1 Upper Fresh Air Makeup VentT wo slots and a stop are designed into the disc for airflow adjustments. The first slot allows for a 0 to

T -3184-- 3NOTEIf controller configuration variable CNF48 is ac-tivated the condenser fan motor will activate ifthe HPS opens twice in less than seven

T--3184-- 44.8 PRE-TRIP DIAGNOSISCAUTIONPre-trip inspection should not be per-formed with critical temperature cargoes inthe container.CAUTIONWhen Pre

T -3184-- 5will remain displayed for up to three minutes, duringwhich time a user may select another test. If thethree minute time period expires, the

ivT -318TABLE OF CONTENTS -- ContinuedPARAGRAPH NUMBER Page5.2 UNIT OPERATES LONG OR CONTINUOUSLY IN COOLING 5--1...5.3 UNI

T--3184-- 6SET 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 (0.9 F)HE

T -3184-- 74.10 SEQUENCE OF OPERATIONGeneral operation sequences for cooling, heating, anddefrost are provided in the following subparagraphs.Schemati

T--3184-- 84.10.3 Sequence of Operation -- Frozen Mode Cool-ingNOTES1. In the Frozen Mode of operation theevaporator motors run in low speed.2. In low

T -3184-- 9When a request for defrost is made by the use of theManual Defrost Switch or Communications, the unit willenter defrost when the reading at

T--3184-- 10CAUTIONThe unit will remain in the DEFROST modeas long as the emergency defrost switch isin the DEFROST position. To prevent cargodamage,

5-- 1T -318SECTION 5TROUBLESHOOTINGCONDITION POSSIBLE CAUSEREMEDY/REFERENCESECTION5.1 UNIT WILL NOT START OR STARTS THEN STOPSNo power to unitExternal

5-- 2T -318CONDITION POSSIBLE CAUSEREMEDY/REFERENCESECTION5.3 UNIT RUNS BUT HAS INSUFFICIENT COOLINGCompressor Compressor valves defective 6.8Refriger

5-- 3T -318CONDITION POSSIBLE CAUSEREMEDY/REFERENCESECTION5.6 UNIT WILL NOT DEFROST PROPERLY --ContinuedFrequent defrost Wet load Normal5.7 ABNORMAL P

5-- 4T -318CONDITION POSSIBLE CAUSEREMEDY/REFERENCESECTION5.10 NO EVAPORATOR AIR FLOW OR RESTRICTED AIR FLOWEvaporator coil blockedFrost on coil 5.6Di

6-- 1T--318SECTION 6SERVICENOTETo avoid damage to the earth’s ozone layer, use a refrigerant recovery system whenever removingrefrigerant. When workin

v T -318TABLE OF CONTENTS -- ContinuedPARAGRAPH NUMBER Page6.15 EVAPORATOR COIL AND HEATER ASSEMBLY 6--14...6.15

6-- 2T--3184. Front seat both manifold gauge set valves and dis-connect from cylinder. The gauge set is now readyfor use.To Low SideService PortTo Hig

6-- 3T--318start-stop switch in the OFF position when the suctionreaches a positive pressure of 0.1 kg/cm@ (1.0 psig).c. Frontseat the suction service

6-- 4T--3186457DS10123891. Reclaimer2. Discharge ServiceValve3. Compressor4. Suction Service Valve5. Receiver or WaterCooledCondenser6. Liquid Service

6-- 5T--318e. Partially frontseat (turn clockwise) the suction servicevalve and slowly add charge until the refrigerantappears at the proper level.6.8

6-- 6T--3186.8.2 Compressor DisassemblyWARNINGBefore disassembly of any external com-pressor component make sure to relievepossible internal pressure

6-- 7T--31821345Set screw must be removed.1. Oil Pump & BearingHead2. Thrust Washer3. Oil Pickup Tube4. Oil Inlet Port5. Oil Pump InletFigure 6-9

6-- 8T--3181231. Equalizer Tube andLock Screw Assembly2. Lockwasher3. Counterweight -Motor EndFigure 6-12 Equalizing Tube and Lock ScrewAssembly123456

6-- 9T--3186.8.5 Installing the Componentsa. Push pistons from the inside of the crankcase throughthe cylinders, being careful not to break the rings.

6-- 10T--3186.9 HIGH PRESSURE SWITCH6.9.1 Replacing High Pressure Switcha. Turn unit start-stop switch OFF. Frontseat both suc-tion and discharge serv

6-- 11T--3186.12 WATER-COOLED CONDENSER CLEANINGThe water-cooled condenser is of the shell and coil typewith water circulating through the cupro-nicke

viT -318LIST OF ILLUSTRATIONSFIGURE NUMBER PageFigure 2-1 Refrigeration Unit -- Front Section 2--1...

6-- 12T--3186. Allow the Oakite No. 32 solution to soak in the tubecoils for several hours, periodically pump-circulatingit with an acid-proof pump.An

6-- 13T--318231451. Suction Line2. Thumbscrew3. TXV Bulb Clamp4. TXVBulb5. Foam InsulationFigure 6-19 Thermostatic Expansion Valve Bulb6.14.1 Checking

6-- 14T--3181. Pump down the unit per paragraph 6.4.2. If TXV replacement is to be performed from the frontof the unit, open the upper right (EFM#1) a

6-- 15T--3186.16 EVAPORATOR FAN AND MOTOR ASSEMBLYThe evaporator fans circulate air throughout thecontainer by pulling air in the top of the unit. The

6-- 16T--3186.17.2 Removing the CapacitorWARNINGMake sure power to the unit is OFF andpower plug disconnected before servicingcapacitor(s).WARNINGWith

6-- 17T--318i. Perishable operation: If the operation of the unit is inquestion, place the set point to approximately 6 C(11 F) less than the current

6-- 18T--318b. Install another high pressure gauge at the liquid lineservice valve.c. Run unit with -18 C (0 F) set point.d. After five minutes, read

6-- 19T--318e. The strap should be worn during any service work onthe controller, even when it is placed on the mat.6.21.2 Controller TroubleshootingA

6-- 20T--3186. The display module will go blank briefly and then dis-play “541 00.” Based on the operational softwareinstalled.7. Press the UP or DOWN

6-- 21T--318Sensor40 mm (1 1/2 inch)6.3 mm (1/4 inch)Mounting Stud TypeSensor40 mm (1-1/2 inches)6.3 mm (1/4 inch)Bulb TypeFigure 6-27 Sensor Typesd.

vii T -318LIST OF ILLUSTRATIONS -- ContinuedFIGURE NUMBER PageFigure 6-25 DPRV Replacement Value Chart 6--18...

6-- 22T--318Cap and GrommetAssemblyProbeHolderSupply SensorSensorWiresSupplyAirStreamEvaporatorBack Panel6mm(1/4 inch)Figure 6-29 Supply Sensor Positi

6-- 23T--3186.24 ELECTRONIC PARTLOW TEMPERATURERECORDERThe microprocessor based temperature recorder isdesigned to interface with the Dat aC ORDER to

6-- 24T--318123456789101. Recorder Door2. Change Chart Button3. Recorder Box4. Pen Tip5. Stylus Arm6. Connector7. Calibration Button (Located undernea

6-- 25T--3186.24.5Rezeroing the Recording ThermometerFor Electronic Partlow Recorder CTD P/N12-00464-xxWhere xx= an odd number (example: 12-00464-03 )

6-- 26T--318Figure 6-32 Door Hinge Repairc. Mix the two component epoxy and fill the hole halfwayto the top with epoxy.d. Press the insert in until it

6-- 27T--3180303030303040403010707050506INSERT PART NUMBERS 34-06231-## WHERE THE ## IS AS INDICATEDFigure 6-33 Insert Location

6-- 28T--3186.27 COMMUNICATIONS INTERFACE MODULEINSTALLATIONCommunicationsinterface ModuleCB1Figure 6-34 Communications Interface InstallationUnits wi

6-- 29T--318If the capacitor has failed open, the ohmmeter needlewill not move when the meter probes touch theterminals. If the capacitor is shorted,

6-- 30T--318Table 6-7 Compressor Torque ValuesTORQUE RANGEUSAGESIZEDIAMETER THREADSft-lb N.m(inches) PER INCH1/16 27 (pipe) 8-12 11 -- 16 Pipe Plug --

6-- 31T--318Table 6-8 R-134a Temperature - Pressure ChartTemperature VacuumF C “/hg cm/hg kg/cm@ bar-40 -40 14.6 49.4 37.08 0.49.35 .37 12.3 41.6 31.2