Carrier 69NT40-511-1 Service Manual

Models69NT40-511-1to69NT40 -511-199and69NT40 -521T-268 Rev GContainerRefrigeratio nUnitDUE TO THE LARGE NUMBER OF SCHEMATICDIAGRAMS CONTAINED IN THIS

viT-268-07LIST OF TABLESTable PageTable 1-1 Model Chart 1-2...Table 2-1 Safety and Protective Devices

6-6T-268-07b. For Units equipped with receiver: partially blockthe condenser coil inlet air, starting from the front ofthe condenser coil. Increase th

SECTION 66-7 T-268-07125612111089443471. Refrigerant Recovery Unit2. Refrigerant Cylinder3. Evacuation Manifold (R-134a)4 Hand Valve5. Vacuum Pump6. E

6-8T-268-076.6.2 Adding Refrigerant to System (Full Charge)a. Evacuate unit and leave in deep vacuum. (Refer tosection 6.5.)b. Place cylinder of R-134

SECTION 66-9 T-268-071234567810111213141591. Discharge Valve Flange2. High Side Pressure Connection3. Low Side Pressure Connection4. Suction Valve Fla

6-10T-268-07Table 6-4 and Table 6-5 for compressor wear limits andbolt torque values.a. Place the compressor i n a position where it will beconvenient

SECTION 66-11 T-268-0721345Set screw must be removed.1. Oil Pump & Bearing Head2. Thrust Washer3. Oil Pickup Tube4. Oil Inlet Port5. Oil Pump Inle

6-12T-268-07opening after the piston rings are compressed. Apiston ring compresser will facilitate removal. Eachpiston pin is l ocked in place by lock

SECTION 66-13 T-268-076.9 COMPRESSOR REASSEMBLYTo clean compressor parts, use a suitable solvent withproper precautions. Coat all moving parts with th

6-14T-268-07Figure 6-16. Compressor Oil Pump End View5. Align the gasket and install the eight capscrews inthe mounting flange. Refer to Table 6-5 for

SECTION 66-15 T-268-07suction service valve flange cavity or by removing theoil fill plug. (See Figure 6-5.) Some compressors havethe oil plug located

SECTION 11-1 T-268-07SECTION 1INTRODUCTION1.1 INTRODUCTIONWARNINGIt has been determined that pressurized,air-rich mixtures of refrigerants and air can

6-16T-268-07f. Open cylinder valve. Slowly close bleed-off valveto increase pressure on switch. The switch shouldopen at a static pressure up to 25 kg

SECTION 66-17 T-268-07by holding the spanner wrench stationary andturning the 5/8-18 nut counter-clockwise (seeFigure 6-18).12345657891. Stator2. Flat

6-18T-268-07WARNINGWith power OFF discharge the capacitorand disconnect the circuit wiring.c. Checking the capacitorIf the capacitor is suspected of m

SECTION 66-19 T-268-07(mounted to instrument case). A single probe is attachedto the element (bulb) capillary which senses thecontainer return air tem

6-20T-268-07raises stylus indicated temperature reading;shortening shaft (clockwise) lowers stylusreading. Then retighten set screw.(b) Reset control

SECTION 66-21 T-268-074. If adjustment is required, loosen setscrew(cross-recessed head). Using a 7 mm wrench, rotatethe adjustment screw clockwise to

6-22T-268-07completely immerse bulb) with ice cubes orchipped ice, then filling voids between ice withwater and agitating until mixture reaches 0_C(32

SECTION 66-23 T-268-07Sensor41 mm (1-5/8 inches)6.35 mm (1/4 inch)Figure 6-22. Sensor (RRS, RTS, SRS or STS)f. Strip back insulation on all wiring 6.3

6-24T-268-07position the enlarged positioning section of thesensor against the the side of the mounting clamp.NOTEThe P5 Pre-Trip test must be run to

SECTION 66-25 T-268-076.24 SUCTION SO LENOID VALVE (SSV)a. Replacing the CoilNOTEThe coil may be replaced without removing therefrigerant.1. Disconnec

1-2T-268-07Table 1-1. Model ChartMODELPIDAColdmentsformerSpeedpressorr-CooledenserCondenserCoil&DischargeOptionty SensornsFreshcationsModule (CI)e

6-26T-268-07Ambient TemperatureCold Coil10_ F 6.45 ohms40_ F 6.90 ohms70_ F 7.40 ohms100_ F 7.90 ohms4. P lug in the connector for the modulation valv

SECTION 66-27 T-268-0762537141. Power Assembly2. Body Flange Gaskets3. Seat Gasket4. Bulb5. Cage Assembly6. Body Flange7. Body Flange ScrewsFigure 6-

6-28T-268-07NOTESuction pressure must be 0.5 kg/cm@ (6 psig)below valve maximum operating pressure(M.O.P.). Example: if valve rated at 55 MOP,suction

SECTION 66-29 T-268-07NOTEThis packaging has been designed to protect theController/DataCORDER module from bothphysical and electrostatic discharge da

6-30T-268-07circuits (refer to section 5). A description of the testpoints follows:NOTEUse a digital voltmeter to measure ac voltagebetween TP’s and g

SECTION 66-31 T-268-077. P ut unit back in service under normal load andcheck head (discharge) pressure.Detailed Procedure:1. Drain and flush the wate

6-32T-268-07NOTEIf the condenser cooling water is not being usedas drinking water or is not re-circulated i n aclosed or tower system, neutralizing is

SECTION 66-33 T-268-07Table 6-3. Recommended Bolt Torque ValuesBOLT DIA. THREADS TORQUE MKGFREE SPINNING#4#6#8#101/45/163/87/161/29/165/83/44032322420

6-34T-268-07Table 6- 5. Compressor Torque ValuesTORQUERANGESIZETORQUERANGEUSAGEDIAMETER THREADSFTLBMKGUSAGE(INCHES) PER INCHFT-LBMKG1/16 27 (pipe) 8--

SECTION 66-35 T-268-07Table 6-6. Temperature-Pressure Chart -- R-134aBOLD FIGURES = Inches Mercury Vacuum (cm Hg VAC)LIGHT FIGURES = psig (kg/cm@)TEMP

SECTION 11-3 T-268-07MODELElectrical W i ringSchematics andDiagramsSaginomiyaTemperatureRecorderPartlow TemperatureRecorderCommunicationsInterface Mod

6-36T-268-078010012014016018020022024026028030032060 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)

SECTION 66-37 T-268-07-- 6-- 4-- 20246810121460 70 80 90 100 110 120Ambient Air T emperaturepsig_F(Bar)(.97)(.83)(.69)(.55)(.41)(.28)(.14)(0)(--.14)(-

SECTION 77-1T-268-07SECTION 7ELECTRICAL WIRING SCHEMATIC AND DIAGRAMS7.1 INTRODUCTIONPLEASE REFER TO FILET--268 DIAGRAMSFOR SCHEMATICS AND DIAGRAMS

INDEXINDEXIndex-1 T-268-07AAccess Panel, 2-1Air Makeup VentLower Fresh, 2-13Upper Fresh, 2-13Air--Cooled Condenser, 2-15, 2-17AlarmsController, 3-11Da

INDEXIndex-2T-268-07CoolingRelay,4-4,4-6,4-8,4-12Current Sensor Module, 2-8, 2-9DDataElectrical, 2-11Refrigeration System, 2-10DataCORDER, 3-24Access

INDEXINDEXIndex-3 T-268-07HHeat Contactor, 2-8, 2-9, 3-15, 4-10, 4-12, 5-2Heat Exchanger, 2-3, 2-15, 2-17, 5-3Heat Relay, 3-15, 4-10, 4-12, 4-14, 4-15

INDEXIndex-4T-268-07PPad, Key, 2-8Parts Identification Number (PID), 1-1, 1-2, 2-1PID, (Parts Identification Number), 1-1, 1-2, 2-1Plug, Fusible, 2-6,

INDEXINDEXIndex-5 T-268-07SSafety and Protective Devices, 2-19Safety SummaryGeneral, Safety-1Warning and Cautions, Safety-2Sample, Standard Configurat

INDEXIndex-6T-268-07UUnit, Remote Monitoring, 2-8Unit Operation, 4-2Unit Serial Number, 2-1Upper Fresh Air Makeup Vent, 2-13USDA, 2-3, 3-31, 3-32USDA

1-4T-268-07MODELElectrical W i ringSchematics andDiagramsSaginomiyaTemperatureRecorderPartlow TemperatureRecorderCommunicationsInterface Module (CI)Tr

SECTION 11-5 T-268-07MODELElectrical W i ringSchematics andDiagramsSaginomiyaTemperatureRecorderPartlow TemperatureRecorderCommunicationsInterface Mod

1-6T-268-07MODELElectrical W i ringSchematics andDiagramsSaginomiyaTemperatureRecorderPartlow TemperatureRecorderCommunicationsInterface Module (CI)Tr

SECTION 11-7 T-268-07MODELElectrical W i ringSchematics andDiagramsSaginomiyaTemperatureRecorderPartlow TemperatureRecorderCommunicationsInterface Mod

1-8T-268-07MODELElectrical W i ringSchematics andDiagramsSaginomiyaTemperatureRecorderPartlow TemperatureRecorderCommunicationsInterface Module (CI)Tr

SECTION 11-9 T-268-07MODELElectrical W i ringSchematics andDiagramsSaginomiyaTemperatureRecorderPartlow TemperatureRecorderCommunicationsInterface Mod

Carrier Transicold Division, Carrier Corporation, P.O. Box 4805, Syracuse, N.Y. 13221OPERATION ANDSERVICE MANUALE Carrier Corporation 1999 S Printed i

SECTION 22-1 T-268-07SECTION 2DESCRIPTION2.1 GENERAL DESCRIPTIONa. Refrigeration Unit -- Front SectionThe front section of the refrigeration unit show

2-2T-268-07b. Evaporator SectionThe evaporator section contains the optionalmechanical temperature recording bulb, return recordersensor (RRS), return

SECTION 22-3 T-268-07123456789101112131415161718191. Evaporator Fan Motor #1 (EM1)2. Humidity Sensor (HS) -- Optional3. Return Recorder Sensor (RRS)4.

2-4T-268-07c. Compressor SectionThe compressor section includes the compressor, powercable storage compartment, and an optional transformer(refer to T

SECTION 22-5 T-268-07d. Condenser SectionThe condensing section consists of a condenser fanmotor, a condenser fan and an air-cooled condenser coil.Whe

2-6T-268-07e. Receiver SectionThe receiver section consists of quench expansionvalve, manual liquid line valve, filter-drier, receiverwith sight glass

SECTION 22-7 T-268-07f. Water-Cooled Condenser Section (Optional)The water-cooled condenser section consists ofwater-cooled condenser, sight glass, mo

2-8T-268-07g. Control Box with a Single-Speed CompressorThe control box includes the manual switches, circuitbreaker(s), contactors, transformer, fuse

SECTION 22-9 T-268-07h. Control Box with a Two-Speed Compressor(Optional)The control box includes the manual switches, circuitbreaker(s), contactors,

2-10T-268-072.2 REFRIGERATION SYST EM DATANumber of Cylinders 6Model 06DRCFM 41Weight(Dry)118 kg (260 lb) - Single-Speedi.Compressor/MotorAssemblyWeig

SAFETY SUMMARYSafety-1 T-268-07SAFETY SUMMARYGENERAL SAFETY NOTICESThe following general safety notices supplement the specific warnings and cautions

SECTION 22-11 T-268-072.3 ELECTRICAL DATACB-1 Trips at 29 ampsa. Circuit BreakerCB-2 (50 amp) Trips at 62.5 ampsa.CircuitBreakerCB-2 (70 amp) Trips at

2-12T-268-07Orange wire PowerRed wire OutputBrown wire GroundInput voltage 5vdci. HumiditySensorOutput voltage 0to3.3vdci.HumiditySensor(HS) -- Option

SECTION 22-13 T-268-072.5 UPPER FRESH AIR MAKEUP VENTThe purpose of the fresh air makeup vent is to provideventilation for commodities that require fr

2-14T-268-072.7 REFRIGERATION CIRCUIT WITH RECEIVERStarting at the compressor, the suction gas iscompressed to a higher temperature and pressure.When

SECTION 22-15 T-268-07191817123456789111214151610131. Suction Service Valve2. Discharge Service Valve3. Discharge Pressure Regulator Valve4. Air-Coole

2-16T-268-072.8 REFRIGERATION CIRCUIT WITH THEWATER- COOLED CONDENSER (Optional)Starting at the compressor, the suction gas iscompressed to a higher t

SECTION 22-17 T-268-07123456789111214151617181910131. Suction Service Valve2. Discharge Service Valve3. Discharge Pressure Regulator Valve4. Air-Coole

2-18T-268-072.10 SUCTION SOLENOID VALVEThe suction solenoid valve, shown in Figure 2-5, iscontrolled by the Controller relay (TS).a. OperationIf set p

SECTION 22-19 T-268-072.12 SAFETY AND PROTECTIVE DEVICESUnit components are protected from damage by safetyand protective devices listed in Table 2-1.

SECTION 33-1 T-268-07SECTION 3MICROPROCESSOR3.1 MICRO-LINK 2i CONTROLLER MODULE122678342 2251. Micro-Link 2i Controller/DataCORDER Module2. Connectors

Safety-2T-268-07SPECIFIC WARNING AND CAUTION STATEMENTSTo help identify the label hazards on the Unit and explain the level of awareness each one carr

3-2T-268-07f. Provide reprogrammability and configurationthrough a memory card. The memory cardautomatically downloads new software to theController w

SECTION 33-3 T-268-07Table 3-1. Controller Configuration VariablesCONFIGURATIONNUMBERTITLE DEFAULT OPTION1 Bypass Valve Enable In Out2 Evaporator Fan

3-4T-268-073.1.3 General Layout of the Controller SectionThe Micro-Link 2i Controller/DataCORDER consistsof a key pad, display module and Controller m

SECTION 33-5 T-268-07The display module (see Figure 3-2) is mounted at a 20degree downward tilt to aid in visibility. The displaymodule consists of:a.

3-6T-268-073.1.4 Controller Function CodesThere are thirty-nine functions which the operator mayaccess to examine the operating status of the unit. To

SECTION 33-7 T-268-07CODE#DESCRIPTIONTITLEInapplicable Functions Display ----------Cd13Condenser Pressure(CPC)Condenser pressure is displayed using a

3-8T-268-07CODE#DESCRIPTIONTITLEInapplicable Functions Display ----------Display Only FunctionsNOTEFunction codes Cd27 through Cd37 are user-selectabl

SECTION 33-9 T-268-07CODE#DESCRIPTIONTITLEInapplicable Functions Display ----------Cd32Current Limit(Amperes)The current limit is the maximum current

3-10T-268-07CODE#DESCRIPTIONTITLEInapplicable Functions Display ----------Cd39Secondary ReturnAir Temperature(Optional)This code is only applicable to

SECTION 33-11 T-268-07Table 3-4. Controller Alarm IndicationsCODE#TITLE DESCRIPTIONMODEL 69NT40-511- 72AL11Evaporator FanMotor 1 SafetyAlarm 11 is tri

TABLE OF CONTENTSi T-268-07TABLE OF CONTENTSSection PageSAFETY SUMMARY Safety-1...GENERAL SAFETY NO

3-12T-268-07CODE#DESCRIPTIONTITLEAL53NiCad Battery PackFailureAlarm 53 is caused by the nicad battery pack being too low of a charge forbattery-backed

SECTION 33-13 T-268-07CODE#DESCRIPTIONTITLEAL63 Current Over LimitAlarm 63 is triggered by the current limiting system. If the compressor is ON andcur

3-14T-268-073.1.6 Condenser Pressure Control (CPC)A pressure control system has been incorporated bymeans of a condenser pressure transducer (CPT) and

SECTION 33-15 T-268-07modulation valve (SMV) and suction solenoid valve(SSV) with the compressor energized.When pulling down from a control temperatur

3-16T-268-07out-of-range or compressor shutdown condition, theheat relay is de-energized immediately.The out-of-range timer is provided to allow the h

SECTION 33-17 T-268-073.1.7.2 Frozen Range Below --10_C(+14_F), or-- 5 _C(+23_F) OptionallyFor set points below -- 1 0 _C(+14_F), or --5_C(+23_ F)opti

3-18T-268-07the VENT mode is selected on the CA C ontroller. Theuser must scroll through the selection by pressing theUP ARROW or DOWN ARROW keys, the

SECTION 33-19 T-268-07c. Auto Test Operation From SerialCom m unic a t ionsPre-trip may also be initiated via communications. Theoperation is the same

3-20T-268-07CODE#DESCRIPTIONTITLEP4-1High SpeedEvaporator FanMotors OffSetup: The high speed Evaporator Fan is turned off, a current draw test is done

SECTION 33-21 T-268-07CODE#DESCRIPTIONTITLESetup: The compressor is started. If it is the first compressor start, thecompressor reliability enhancemen

iiT-268-07TABLE OF CONTENTS (CONTINUED)Section Page3.3.1 Brief Description 3-24...3.3.2 DataCORDER Configurat

3-22T-268-07CODE#DESCRIPTIONTITLENOTEStarting with test P 7-0 through test P10, these tests are only included with the “Auto2” (Optional) selectionmen

SECTION 33-23 T-268-07CODE#DESCRIPTIONTITLEP8-1Perishable ModePull Down TestRequirements: Control temperature must be at least 60_F.Setup: The set poi

3-24T-268-07CODE#DESCRIPTIONTITLEP10-1Frozen Mode (PullDown) TestSetup: When the container temperature is greater than or equal to the 45_F. setpoint

SECTION 33-25 T-268-07S Real Time Clock (RTC) ModificationS Pre-Trip result & dataS Trip StartS ISO Trip Header (Must be entered first viaInterrog

3-26T-268-073.3.3 DataCORDER Function CodesThere are 35 functions which the operator may access toexamine the operating status of the unit. To access

SECTION 33-27 T-268-073.3.4 DataCORDER AlarmsTo Display Alarm Codes:While in Set Point Selection or Default Display mode,press the ALT. MODE & ALA

3-28T-268-07Table 3-7. DataCORDER Alarm IndicationsTo Access: Press ALT. MODE keyCODE # TITLE DESCRIPTIONAL70Recorder SupplyTemperature Out ofRangeThe

SECTION 33-29 T-268-07The DataCORDER alarms for the USDA and cargoprobes are configurable using the interrogation programor via a configuration card.

3-30T-268-07e. Display vs. Configuration CodesThe DataCORDER contains two types of display codes;Display and C onfiguration. Display codes will displa

SECTION 33-31 T-268-07Left Display:“dALnn” where nn = the alarmhistory entry 01-08RightDisplay:“xA nn” where x = “I” (inactive) or “A”(active)Or:“----

TABLE OF CONTENTSiii T-268-07TABLE OF CONTENTS (CONTINUED)Section PageSERVICE 6-1...6.1 M

3-32T-268-07Start, Power Outages, and Temperature Out-of-Rangeconditions.3.3.10 DataCORDER ScrollbackThe DataCORDER will display probe values for the

SECTION 33-33 T-268-07Table 3-10. DataCORDER Pre- Trip DataTEST # TITLE DATANOTE“Auto” or “Auto1” menu includes t he following: P, P1, P2, P3, P4, P5,

3-34T-268-07CONTAINER ABCDXXXXXXX ON 08Jul 9 4 FROM 15Apr94 TO 17Apr94 (DEGREES C) PAGE: 1HEADER INFORMATIONDataCorder SN: XXXXXXXXALARMS REPORTALARM

SECTION 33-35 T-268-07AIRCIRCULATIONONLYSET POINTFALLINGTEMPERATURERISINGTEMPERATURE-- 1 . 5 _C(2.7_F)-- 1 _C(1.8_F)-- 0 . 5 _C(0.9_F)--0.20_C+.20_C+1

3-36T-268-07CompressorStarting SequenceIs AmbientTemperature LessThan 60 ˚F?High Speed StartHas Compressor RunFor 20 Minutes ?Has Set PointBeen Reache

SECTION 33-37 T-268-07CompressorStarting SequenceIs AmbientTemperature LessThan 60 ˚F?High Speed StartHas Set PointBeen Reached ?STEPABCDEYESYESYESLow

SECTION 44-1 T-268-07SECTION 4OPERATION4.1 PRE-TRIP INSPECTION (Before Starting)WARNINGBeware of unannounced starting of theevaporator and condenser f

4-2T-268-074.2 STARTING AND STOPPING INSTRUCTIONSCAUTIONMake sure that the unit circuit breaker(s)(CB-1 & CB-2) and the start-stop switch(ST) are

SECTION 44-3 T-268-07If AL55 is active, meaning that the DataCORDER (DC)functionality is no longer active (DC configurationvariable off), the Controll

4-4T-268-07When the air temperature decreases to a predeterminedtolerance above set point, relay TI energizes and t hein-range light is illuminated.(R

ivT-268-07TABLE OF CONTENTS (CONTINUED)Section Page6.26 THERMOSTATIC EXPANSION VALVE 6-26...6.27 CONTROLLER/DATACORDER 6-

SECTION 44-5 T-268-07CONTROL TRANSFORMER= 18 Volt Energized Circuit = 24 Volt Energized Circuit = De- energized CircuitFigure 4-1. Cooling in High Spe

4-6T-268-07b. Cooling in Low Speed with Two-SpeedCompressor (See Figure 4-2.)NOTEEvaporator fan m otors will run in high speed.(Contactor EF energized

SECTION 44-7 T-268-07= 18 Volt E nergized CircuitCONTROL TRANSFORMER= 24 Volt E nergized Circuit = De-energized CircuitFigure 4-2. Cooling in Low Spee

4-8T-268-07c. Cooling with Single- Speed Compressor(See Figure 4 -3.)NOTEEvaporator fan m otors will run in high speed.(Contactor EF energized)NOTEA p

SECTION 44-9 T-268-07= 18 Volt E nergized CircuitCONTROL TRANSFORMER= 24 Volt E nergized Circuit = De-energized CircuitFigure 4-3. Cooling with Single

4-10T-268-074.4.5 Heating (See Figure 4-4.)The unit will heat only when the controller set point isabove --10_C(+14_F), or --5_C(+23_F) optionally, as

SECTION 44-11 T-268-07CONTROL TRANSFORMER= 18 Volt Energized Circuit = 24 Volt Energized Circuit = De-energized CircuitFigure 4-4. Heating Mode

4-12T-268-074.4.6 DefrostRefer to section 3.1.4 (Code 27) for description of thedefrost interval selector and automatic defrostinitiation.The defrost

SECTION 44-13 T-268-07If Pre-Trip is initiated during the 30 minute time period,Pre-Trip will be allowed to run normally. Once Pre-Tripis over, the co

4-14T-268-07Table 4-1. Electrical Control Positions -- BELOW --10_C(+14_F), or --5_C(+23_F) optiona llyCONTROL CIRCUIT COOLINGHolding Zone**Dehumidifi

TABLE OF CONTENTSv T-268-07LIST OF ILLUSTRATIONS (CONTINUED)Figure PageFigure 6-1 Manifold Gauge Set 6-1...Fi

SECTION 44-15 T-268-07Table 4-2. Electrical Control Positions -- ABOVE --10_C(+14_F), or --5_C(+23_F) optiona llyCONTROL CIRCUIT COOLINGHolding Zone*

SECTION 55-1 T-268-07SECTION 5TROUBLESHOOTINGCONDITION POSSIBLE CAUSEREMEDY/REFERENCESECTION5.1 UNIT WILL NOT START OR STARTS THEN STOPSNo power to un

5-2T-268-07CONDITIONPOSSIBLE CAUSEREMEDY/REFERENCESECTION5.4 UNIT WILL NOT HEAT OR HAS INSUFFICIENT HEATINGNo power to unitStart-Stop switch OFF or de

SECTION 55-3 T-268-07CONDITIONPOSSIBLE CAUSEREMEDY/REFERENCESECTION5.7 ABNORMAL PRESSURES (COOLING)High discharge pressureCondenser coil dirtyCondense

5-4T-268-07CONDITIONPOSSIBLE CAUSEREMEDY/REFERENCESECTION5.11 THERMOSTATIC EXPANSION VALVE MALFUNCTIONLow suction pressure with highsuperheatLow refri

SECTION 66-1 T-268-07SECTION 6SERVICENOTETo avoid damage to the earth’s ozone layer, use a refrigerant recovery system whenever removing refrigerant.W

6-2T-268-07CAUTIONTo prevent trapping liquid refrigerant in theservice valve after charging, perform thefollowing steps while the compressor is ONand

SECTION 66-3 T-268-07778123456To Sucti on Servi cePortTo Discha r g e S e rvic e o rManual Liquid LinePorts222334Red HoseYellow HoseBlue HoseRed KnobB

6-4T-268-076.2 SUCTION AND DISCHARGE SERVICEVALVESThe suction and discharge service valves used on thecompressor are equipped with mating flanges forc

SECTION 66-5 T-268-07d. Evacuate and dehydrate the unit. (Refer to section6.5.)e. Charge unit per section 6.6.6.5 EVACUATION AND DEHYDRATION6.5.1 Gene