Carrier Supra 650 Manuel de service

RTruck RefrigerationOPERATION & SERVICEforSUPRA 550, 650, 750, 850 & 950Truck Refrigeration Units62--10828 Rev D Change 07/11EVAPORATORCONDENS

62--10828Safety-1SAFETY SUMMARYGENERAL SAFETY NOTICESThe following general safety notices supplement the specific warnings and cautions appearing else

Safety-262--10828Change 06/09BATTERYThis unit is equipped with a lead-acid type battery. The battery normally vents small amounts of flammable hydroge

62--10828Safety-3CAUTIONObserve proper polarity when installing battery, negative battery terminal must be grounded. Re-verse polarity will destroy th

Safety-462--10828CAUTIONRefrigerant R404a is a blend. Charging as a vapor will change the properties of the refrigerant. Onlyliquid charging through t

1--162--10828SECTION 1DESCRIPTION1.1 INTRODUCTIONWARNINGBeware of unannounced starting of theengine, standby motor, evaporator fan orcondenser fan. Th

1--262--10828CAB COMMAND15123456789101113121416BOX TEMPERATUREAUTO START/STOPIUNIT DATAPRETRIPALARM/FAULTSTANDBYBUZZER OFFMANDEFROSTCITYSPEEDROADFUNCT

1--362--10828145321. Fuel Filter2. Model/Serial Number Plate3. Speed and Run Solenoids4. Oil Filter5. Air CleanerFigure 1-2. Unit Curbside View2314765

1--462--10828123456789101. Manual RUN/STOP Switch2 Manual Glow/Crank Switch (If Equipped)3. Warning Buzzer4 Summer/Winter Switch (EWHS Only)5 Fuel Hea

1--562--10828FHRFigure 1-5. Relay/Fuse Board (With All Optional Components)Table 1-3. Fuse IdentificationDesig.Item AmpsF1 Main Fuse (See Figure 1-1)

1--662--10828Table 1-5.Test Point IdentificationTest Point #CircuitTP1 RR NO OutputTP2 DER NC OutputTP3 F11 OutputTP4 DER NO OutputTP5 EHR NO OutputTP

OPERATION ANDSERVICE MANUALTRUCK REFRIGERATION UNITSSupra 550, 650, 750, 850 & 950FOR

1--762--108281LB--B+2341. Positive OutputTerminal2. Regulator3. 12vdc Test LampTerminal4. Ground TerminalFigure 1-6. 70 Amp Alternator (P/N 30-60050-0

1--862--10828Loaded OperationDischarge pressure bleeds from the discharge manifold(Figure 1-8, item 15) through the strainer (9) and (8)bleed orifice

1--962--10828f. Hot Gas Solenoid Valve (Three-Way Valve)The Hot Gas Valve (HGS1) directs flow of refrigerantthrough the system. With the solenoid coil

1--1062--10828h. Filter DrierThe drier is cylinder shell containing a drying agent andscreen. It is installed in the liquid line and functions tokeep

1--1162--108281.5 SYSTEM OPERATING CONTROLS ANDCOMPONENTSThe unit is furnished with a microprocessor controlsystem. Once the set point is entered at t

1--1262--10828Change 12/101.6 UNIT SPECIFICATIONS1.6.1 Engine DataLubrication SystemLube Oil Viscosity: (API Classification CD)Outdoor TemperatureSAE

1--1362--10828Table 1-7 Engine Data For Supra 650/750/850Engine Model CT3-44TVDisplacement 43.9 in3(719 cc)No. Cylinders 3Horsepower 15.5 hp (11.6 kW

1--1462--10828Change 06/091.6.2 Compressor DataModel (Unit)05K 012 (550/650/750) 05K 024 (850) 05G37 (950)Displacement 12.2 in3(200 cc) 24.4 in3(400 c

1--1562--10828Change 07/111.6.4 Electrical Dataa. Evaporator Fan MotorsBearing Lubrication: Factory lubricated, additional grease not requiredHorsepow

1--1662--108281.7 SAFETY DEVICESSystem components are protected from damage caused by unsafe operating conditions by automatically shuttingdown the un

i62--10828TABLE OF CONTENTSPARAGRAPH NUMBER PageGENERAL SAFETY NOTICES Safety-1...FIRST AID S

1--1762--108281.8 REFRIGERANT CIRCUIT1.8.1 Cooling (See Figure 1-13)When cooling, the unit operates as a vapor compressionrefrigeration system. The ma

1--1862--10828EVAPORATORTXVFILTER DRIERACCUMULATORCOMPRESSORCONDENSERSUBCOOLERHPHOT GASVALVE (HGS1)RECEIVERHOT GASBYPASSSOLENOIDVALVE(HGS2)**INLETCHEC

2--162--10828SECTION 2OPERATION2.1 MICROPROCESSOR CONTROLLER2.1.1 IntroductionCAUTIONUnder no circumstances should anyone at-tempt to repair the Logic

2--262--10828g. A Pre-Trip checkout of refrigeration unit operation.h. An optional RS232 communication port to communi-cate unit operating data to a m

2--362--10828Road KeyThe ROAD key selects the diesel engineoperating mode. The microprocessorretains the last entered setpoint in memoryeven if the un

2--462--108282.4.2 Starting - Road OperationPlace the I/O Switch in the “I” position. If the unit hasbeen used previously in the standby mode, press t

2--562--108282.4.7 Start/Stop OperationAfter start up, observe the AUTO START/STOP indica-tor. If it is illuminated, the unit is in the Auto Start/Sto

2--662--108282.4.10 Functional ParametersNOTEIf configuration CNF11 is “ON” functional pa-rameters are locked out and the ability tochange functional

2--762--10828Out-of-Range ToleranceNOTEIf configuration CNF9 is “ON” the unit will shutdown if an out of tolerance condition exists forover 45 minutes

2--862--10828TABLE 2-2. UNIT DATA CODESCODEENGLISH DATACD1 SUCT Suction PressureCD2 ENG Engine HoursCD3 WT Engine TemperatureCD4 RAS Return Air Temper

ii62--10828TABLE OF CONTENTSPARAGRAPH NUMBER PageOPERATION 2-1...2.1 MIC

2--962--10828Software RevisionThe English display for the Eeprom Software Revision is“REV.” The code display is “CD13.” The actual Eepromsoftware revi

2--1062--10828Low Oil Pressure AlarmThe English display for the Low Oil Pressure alarm is“ENG OIL.” The code display is “AL0.” This alarm isgenerated

2--1162--10828System Check AlarmThe English display for the System Check alarm is“SYSTEM CK.” The code display is “AL16.” This alarmis generated when

3--162-10828SECTION 3CONTROL LOGIC AND TEMPERATURE CONTROL3.1 MODES OF OPERATIONThe operational software responds to various inputs.These inputs come

3--262-108283.1.4 Dual Probe OperationThe microprocessor is fitted with a connection for asecond thermistor. This thermistor is installed in thesupply

3--362-108283.1.7 Unloading in Temperature ModeNOTEThe unloader relay is locked in for a minimum of2 minutes once it is energized due to suctionpressu

3--462-10828Suction Pressure Control (950 Only)DieselThe microprocessor will monitor suction pressure of therefrigeration system and ambient temperatu

3--562-108283.1.8 Auto Diesel Restart (Option)If AC power is lost for five minutes or more, configuration10 is active and TIME START is enabled, the d

3--662-108283.2.2 StandbyRefer to SECTION 6 for a schematic diagram of the unitcontrols. To facilitate location of the components re-ferred to in the

3--762-10828MAXIMUM10 SecondsChecked at2 Seconds*VARIABLE0to85SECONDSGLOWCRANKGLOWFIRSTATTEMPTSECONDATTEMPTTHIRDATTEMPT15 SecondsSTOPREPEAT FIRST+ 5 S

iii62--10828TABLE OF CONTENTSPARAGRAPH NUMBER PageCONTROL LOGIC AND TEMPERATURE CONTROL 3-1...3.1 MODES OF O

3--862-108282.7°F(1.5°C)-- 2 . 7 °F(-1.5°C)HS CoolLS CoolLS HeatHS HeatPerishablesetpoint>10.4°F(-12_C)DIESELHS CoolSUPRA 550/650/750/8500.5°F(1.2°

3--962-10828HS CoolLS CoolLS HeatDIESELSTART / STOP MODESTANDBYCoolHeatCoolSTARTSTOPSTOP-- 3 . 6 °F(-2°C)HS CoolLS CoolSTOPSUPRA 550/650/750/850Figure

3--1062-10828DIESELFrozensetpoint<-12_CHS Cool - 6 cylCONTINUOUS MODEHS Cool -- 6 cylLS Heat - 4 cylCool - 6 cyl2.5°F(1.4°C)2.0°F(1.1°C)LS Cool4 cy

3--1162-10828HS Cool - 6 cylLS Cool - 4 cylLS Heat - 4 cylDIESELSTART / STOP MODESTANDBYCool - 6 cylHeat - 4 cylCool - 6 cylSTARTSTARTSTOPSTOPSTARTHS

62--108284--1SECTION 4SERVICEWARNINGBeware of V-belts and belt driven components as the unit may start automatically. Beforeservicing unit, make sure

4--262--10828MAINTENANCE SCHEDULE Supra 650/ 750/ 850 (see Table 4-1 for description of required service)FILTER TYPEREQUIRED SERVICEPetroleum OIl With

62--108284--3Change 6/09WARNINGInspect battery cables for signs of wear, abrasion or damage at every Pre--Trip inspection and replaceif necessary. Als

4--462--108284.1 SERVICING ENGINE RELATEDCOMPONENTS4.1.1 Cooling SystemThe condenser and radiator can be cleaned at the sametime. The radiator must be

62--108284--54.1.3 Replacing the Speed and Run ControlSolenoidsa. Run Solenoid (see Figure 4-2).1. Remove spring (item 2) from the engine run lever.2.

4--662--108284.1.5 Fuel Filter and Fuel CircuitSupply lineReturn lineFuel pumpFuel filterReturn tubeInjection pumpInjectorsBleed portRestrictor fittin

iv62--10828TABLE OF CONTENTSPARAGRAPH NUMBER PageSERVICE (Continued) 4-1...4.7 CH

62--108284--74.1.6 Servicing Glow PlugsWhen servicing, the glow plug is to be fitted carefully intothe cylinder head to prevent damage to glow plug.To

4--862--108284.2 SERVICING AND ADJUSTING V-BELTSWARNINGBeware of V-belts and belt driven compo-nents as the unit may start automatically.4.2.1 Belt Te

62--108284--94.2.4 Standby Motor--Compressor V-Belta. Remove alternator V-belt. (Refer to Section 4.2.2)b. Loosen the V-belt idler securing bolt (22mm

4--1062--108284.4 PUMPING THE UNIT DOWN ORREMOVING THE REFRIGERANT CHARGENOTETo avoid damage to the earth’s ozone layer, usea refrigerant recovery sys

62--108284--118111012345644791. Refrigerant Recovery Unit2. Refrigerant Cylinder3. Evacuation Manifold4. Valve5. Vacuum Pump6. Electronic Vacuum Gauge

4--1262--10828NOTEIt is possible that all liquid may not be pulled intothe receiver, as outlined in step d. In this case,vapor charge remaining refrig

62--108284--13f. After monitoring 1 lb. (0.45 kg) of refrigerant into thesystem, close the valve of the manifold gauge setconnected to the king valve.

4--1462--10828Closed System MethodIn an emergency where an oil pump is not available, oilmay be drawn into the compressor through the suctionservice v

62--108284--154.10 COMPRESSOR UNLOADER VALVE (850 and950 only)The compressor unloader (located on the compressorcylinder head) is controlled by relay

4--1662--108284.12.2 Checking High Pressure SwitchWARNINGDo not use a nitrogen cylinder without apressure regulator. Cylinder pressure isapproximately

v62--10828TABLE OF CONTENTSPARAGRAPH NUMBER PageTROUBLESHOOTING 5-1...5.1 DIESEL

62--108284--174.14 CHECKING AND REPLACING EVAPORATORFAN MOTOR BRUSHES & COMMUTATORThe fan motor commutator and brushes should bechecked periodical

4--1862--108284.17.2 Hot Gas Valve (HGS2) and 3--Way Valve forSupra 950 (HGS2 not used on 950)1234561. Snap cap2. Voltage plate3. Coil assembly4. Encl

62--108284--194.19 THERMOSTATIC EXPANSION VALVEThe thermal expansion valve (see Figure 4-20) is anautomatic device which maintains constant superheato

4--2062--108284.20 MICROPROCESSOR CONTROLLERNOTEThe erasable, programmable, read onlymemory (EEPROM) chip (component U3 onthe microprocessor logic boa

62--108284--214.21.2 To Reach The Configuration Fields FromThe Keypad:1. Place the unit RUN/STOP Switch to the STOPposition and the I/O Switch in the

4--2262--10828Table 4-4 Configuration TableCONFIGU-RATIONDESCRIPTIONNOTES* These settings are optional and can be set to cus-tomer specifications or l

62--108284--23Table 4-4. Configuration Codes (Continued)*CNF16OFF Alt Aux alarm onlyON Alt Aux alarm shuts unit downCNF17OFF UltraFreeze disabledRev.

4--2462--108284.23 SUCTION PRESSURE TRANSDUCERBefore installing a new suction pressure transducer itmust be calibrated.The calibration will not be per

62--108284--25Table 4-6. R-404A Temperature--Pressure ChartTemperaturePressure Temperature Pressure_F _ C Psig Kg/cm@ Bar_F _ C Psig Kg/cm@ Bar-- 4 0

5--162--10828SECTION 5TROUBLESHOOTINGCAUTIONDO NOT attempt to service the microprocessor or the logic or display boards!Should a problem develop with

vi62--10828LIST OF ILLUSTRATIONSFIGURE NUMBER PageFigure 1-1. Condensing Section -- Top View/Cab Command 1--2...Fi

5--262--10828INDICATION/TROUBLEPOSSIBLE CAUSESREFERENCESECTION5.1.3 Starter Motor Malfunction (CONTINUED)Starter motor turnsbut pinion does not engage

5--362--10828INDICATION/TROUBLEPOSSIBLE CAUSESREFERENCESECTION5.3 REFRIGERATION5.3.1 Unit Will Not CoolDiesel engine Malfunction(s) 5.1Compressor malf

5--462--10828INDICATION/TROUBLEPOSSIBLE CAUSESREFERENCESECTION5.3.5 Defrost Cycle MalfunctionWill not initiate defrostautomaticallyDefrost air switch

5--562--10828INDICATION/TROUBLEPOSSIBLE CAUSESREFERENCESECTION5.3.6.2 HeatingHigh discharge pressure Overcharged systemCondenser fan defectiveV-belts

5--662--10828INDICATION/TROUBLEPOSSIBLE CAUSESREFERENCESECTION5.3.10 Expansion Valve MalfunctionLow suction pressure withhigh superheatLow refrigerant

6--162--10828SECTION 6ELECTRICAL SCHEMATIC WIRING DIAGRAMINTRODUCTIONThis section contains Electrical Schematic Wiring Diagram covering the Models lis

BASED ON DRAWING 62--04108 REV AFigure 6--1 Electrical Schematic Wiring Diagram (Sheet 1 of 2)Change 06/09 6--2--

CONNECT TO OVERLOAD RELAYSTANDBY MOTOR AND HEAT SYSTEMSBASED ON 62--61492 REV -- & 62--04083 Rev BFigure 6--1 Electrical Schematic Wiring Diagram

Index--1 62--10828INDEXAAccumulator, 1--8Additional Support Manuals, 1--1Adjusting The Compressor Pressure Regulating Valve(CPR), 4--18Alarm Display,

Index--262--10828INDEXEElectric And Water Heat, 1--10Electrical Box , 1--4Electrical Data , 1--15Engine Air Cleaner , 4--5Engine Data, 1--12Engine Dri

vii62--10828LIST OF TABLESTABLE NUMBER PageTable 1-1. Model Chart 1--1...Table 1-2.

Index--3 62--10828INDEXNNo Power for Standby Alarm, 2--11Null Mode Overrides, 3--1OOil Pressure Switch, 1--12Operation, 2--3Out--Of--Range Alarm, 2--1

Index--462--10828INDEXTThermal Expansion Valve, 1--10, 4--19Thermostatic Expansion Valve Superheat, 1--14Torque Values, 1--15UUnit Data, 2--7Unloaded

©2008 Carrier Corporation D Printed in U. S. A. 0608Carrier Transicold Division,Carrier CorporationTruck/Trailer Products GroupP.O. Box 4805Syracuse,