Carrier 69NT40-489-100 Series User Manual Download

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−

305 Rev C

OPERATION AND SERVICE

for

EverFresh Controlled Atmosphere

69NT40-489-100 Series

Container Refrigeration Units

Container Refrigeration

Summary of Contents for 69NT40-489-100 Series

Page 1: ...T 305 Rev C OPERATION AND SERVICE for EverFresh Controlled Atmosphere 69NT40 489 100 Series Container Refrigeration Units r Container Refrigeration...

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Page 3: ...OPERATION SERVICE MANUAL CONTAINER REFRIGERATION UNIT EVERFRESH CONTROLLED ATMOSPHERE MODEL 69NT40 489 100 Series Carrier Corporation 2018 D Printed in U S A January 2018...

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Page 5: ...r doors of the container IMMEDIATE EFFECTS OF BREATHING OXYGEN DEFICIENT ATMOSPHERES As blood passes through the lungs it gives up carbon dioxide and accepts oxygen through the thin walls of tiny air...

Page 6: ...any person to enter Every time ALWAYS S Look for Danger Warning and Caution hazard labels on containers Use a flashlight if necessary S Assume there is a low oxygen atmosphere present when the doors a...

Page 7: ...iner the interlock system must be removed To remove the system remove the center bolt from the catch or remove the four screws holding the interlock system to the container door Refer to Figure A WARN...

Page 8: ...VENT and then press ENTER 2 Fully open fresh air port and then press ENTER on keypad Avoid direct breathing of venting gases 3 Allow refrigeration unit to run Door lock will open 4 Open both rear doo...

Page 9: ...rated capacity Cylinder may rupture due to excessive pressure when exposed to high temperatures WARNING When starting the unit be sure that all manual refrigerant valves in the discharge line are open...

Page 10: ...ondenser fan grille or evaporator access panels before turning power off disconnecting and securing the power plug Be sure power is turned off before working on motors controllers solenoid valves and...

Page 11: ...e termined that pressurized mixtures of re frigerant and air can undergo combustion when exposed to an ignition source WARNING Make sure power to the unit is OFF and power plug disconnected before rep...

Page 12: ...not operate properly CAUTION When a failure occurs during automatic testing the unit will suspend operation awaiting opera tor intervention CAUTION When Pre Trip test Auto 2 runs to completion without...

Page 13: ...ill occur CAUTION Take necessary steps place plywood over coil or use sling on motor to prevent motor from fal ling into condenser coil CAUTION If the thermostatic expansion valve is found to be in ne...

Page 14: ...Safety 10 T 305...

Page 15: ...port equipment dedicated to the Controlled Atmosphere system PART TWO is also divided into sections in the same manner as Part One that is Seven Introduction Eight Description Nine Microprocessor Ten...

Page 16: ...ty 6 UNIT LABEL IDENTIFICATION Safety 6 SPECIFIC DANGER WARNING AND CAUTION STATEMENTS Safety 7 PART ONE REFRIGERATION UNIT 1 INTRODUCTION 1 1 1 INTRODUCTION 1 1 2 CONFIGURATION IDENTIFICATION 1 1 3 O...

Page 17: ...en Mode Economy 22 3 4 CONTROLLER ALARMS 22 3 5 UNIT PRE TRIP DIAGNOSTICS 22 3 6 DataCORDER 23 3 6 1 Description 23 3 6 2 DataCORDER Software 23 3 6 3 Sensor Configuration dCF02 24 3 6 4 Logging Inter...

Page 18: ...Mode 51 4 11 EMERGENCY OPERATION 52 4 11 1 Emergency Bypass Operation 52 4 11 2 Emergency Defrost Operation 52 TROUBLESHOOTING 53 5 1 UNIT WILL NOT START OR STARTS THEN STOPS 53 5 2 UNIT OPERATES LONG...

Page 19: ...ng High Pressure Switch 66 6 10 CONDENSER COIL 66 6 11 CONDENSER FAN AND MOTOR ASSEMBLY 66 6 12 WATER COOLED CONDENSER CLEANING 67 6 13 FILTER DRIER 68 6 14 THERMOSTATIC EXPANSION VALVE 68 6 14 1 Chec...

Page 20: ...ATMOSPHERE SYSTEM 87 INTRODUCTION 87 7 1 INTRODUCTION 87 DESCRIPTION 89 8 1 GENERAL DESCRIPTION 89 8 1 1 CA Equipment Location front Section 89 8 1 2 Calibration Gas Charge and Pressurization Gage Por...

Page 21: ...ATMOSPHERE CA SYSTEM WILL NOT START 115 11 2 CONTROLLED ATMOSPHERE CA SYSTEM MALFUNCTION 115 SERVICE 117 12 1 MAINTENANCE SCHEDULE 117 12 2 AIR COMPRESSOR 118 12 3 AIR COMPRESSOR SERVICE P N 18 00052...

Page 22: ...ure 20 Frozen Mode 51 Figure 21 Defrost Mode 51 Figure 22 Service Valve 57 Figure 23 Manifold Gage Set 57 Figure 24 R 134a Manifold Gage Hose Set 58 Figure 25 Refrigeration System Service Connections...

Page 23: ...nts Condenser Section 93 Figure 61 Controlled Atmosphere Components Container Rear Door 94 Figure 62 Controlled Atmosphere System Flow Circuit 97 Figure 63 Controlled Atmosphere Controller Module 99 F...

Page 24: ...on Codes 31 Table 7 Controller Alarm Indications 35 Table 8 Temperature Controller Pre Trip Test Codes 38 Table 9 DataCORDER Function Code Assignments 42 Table 10 DataCORDER Pre Trip Result Records 43...

Page 25: ...by authorized Carrier Transicold Service Centers 1 3 OPTION DESCRIPTION Various options may be factory or field fitted to the base unit These options are listed in the tables and described in the foll...

Page 26: ...ce Various power cable and plug designs are available The plug options tailor the cables to each customers requirements 1 3 19 Cable Restraint Various designs are available for storage of the power ca...

Page 27: ...atmosphere system These plate sets are numbered and ordered in the same manner See Identification Matrix 1 3 29 Controller There are two controllers in the unit the refrigeration controller controls...

Page 28: ...4 T 305...

Page 29: ...the serial plate to the left of the compressor 2 1 2 Upper Fresh Air Makeup Vent The function of the upper makeup air vent is to provide ventilation for commodities that require fresh air circulation...

Page 30: ...charging it at the bottom The evaporator components are accessible by removing the upper rear panel as shown in the illustration or by removing the front access panels 14 13 11 12 1 2 3 4 5 7 8 10 15...

Page 31: ...18 19 20 23 21 22 12 15 14 1 Power Autotransformer 2 Power Cables and Plug 3 Compressor Sight Glass View Port 4 Compressor Guard 5 Supply Temperature Sensor 6 Supply Recorder Sensor 7 Ambient Sensor 8...

Page 32: ...n pulls air in the bottom of the coil and it is discharged horizontally out through the condenser fan grille 5 6 7 15 1 2 4 3 8 10 9 11 13 12 14 1 Grille and Venturi Assembly 2 Condenser Fan 3 Key 4 C...

Page 33: ...ter couplings and water pressure switch The water cooled condenser replaces the standard unit receiver 1 2 3 4 5 6 7 8 9 10 11 1 Sight Glass 2 Water Cooled Condenser 3 Rupture Disc 4 Condenser Pressur...

Page 34: ...ine Refer to the master system technicalmanual for further information 19 20 21 15 17 18 1 2 3 4 5 6 7 10 9 22 11 14 8 12 13 16 1 Compressor Contactor 2 Heater Contactor 3 Display Module 4 Communicati...

Page 35: ...g and h refer to the installationinstructions includedwith the replacement part for additional information f Fusible Plug Melting point 99 _C 210 _F Torque 6 2 to 6 9 mkg 45 to 50 ft lbs g Sight Glass...

Page 36: ...ters Number of Heaters 4 Rating 750 watts 5 10 each 230 vac Resistance cold 66 8 to 77 2 ohms 20 _C 68 _F Type Sheath f Evaporator Fan Motor s 380 vac 50 hz 460 vac 60 hz Full Load Amps High Speed 1 6...

Page 37: ...SAFETY DEVICE DEVICE SETTING Excessive current draw Circuit Breaker CB 1 Manual Reset Trips at 29 amps 460 vac Circuit Breaker CB 2 50 amp Manual Reset Trips at 62 5 amps 230 vac Circuit Breaker CB 2...

Page 38: ...thecompressor The thermostatic expansion valve is activated by the bulb strapped to the suction line near the evaporator outlet The valve maintains a constant superheat at the coil outlet regardless...

Page 39: ...or Valve 7 Air Cooled Condenser 8 Evaporator 9 Thermostatic Expansion Valve 10 External Equalizer Line 11 Thermostatic Expansion Valve Bulb 12 Heat Exchanger 13 Fusible Plug Hidden 14 Sight Glass 15 C...

Page 40: ...16 T 305...

Page 41: ...o provide user access and readouts for both of the controller functions temperature control and DataCORDER The functions are accessed by key pad selections and viewed on the display module The compone...

Page 42: ...or an inactive shutdown alarm in the alarm queue Table 2 Key Pad Function KEY FUNCTION Code Select Accesses function codes Pre Trip Displays the pre trip selection menu Discontinues pre trip in progre...

Page 43: ...probe calibration pressure limiting and current limiting settings e Provide battery powered ability to access or change selected codes and set point without AC power con nected f Provide the ability t...

Page 44: ...owing conditions are met 1 The ambient sensor reading is less than or equal to 27_C 80_F 2 Voltage Frequency ratio is less than or equal to 8 38 When the above conditions are met either pressures or t...

Page 45: ...he set point Opening the modulating valve reduces the temperature of the evaporator coil surface which increases the rate at which water is condensed from the passing air Removing water from the air r...

Page 46: ...l temperature is greater than or equal to the set point 0 2_C the unit will restart the refrigeration system and continue to cool until the previously mentioned off cycle temperature criteria are met...

Page 47: ...rms on the display module c Records results of pre trip testing d Records DataCORDER and temperature control software generated data and events as follows Container ID Change Software Upgrades Alarm A...

Page 48: ...supply return USDA 1 2 3 and cargo probe and the humidity sensor input will be generated by the DataCORDER The three Controlled Atmosphere inputs will be read over a network from the controlled atmos...

Page 49: ...Suction pressure transducer 20 Condenser pressure transducer 21 Controlled Atmosphere CA oxygen concentration 22 CA carbon dioxide concentration 23 CA nitrogen concentration 24 CA return temperature 2...

Page 50: ...26 T 305 Figure 12 Standard Configuration Report...

Page 51: ...ed into an interrogation port No controller battery pack is required with this method 4 Real Time Clock demand If the DataCORDER is equipped with a charged battery pack and AC power is not present the...

Page 52: ...sius 36_F or below for specific periods results in the mortality of the various stages of this group of insects In response to the demand to replace fumigation with this environmentally sound process...

Page 53: ...es not return the correct signals back to the DataCORDER an alarm is generated The DataCORDER contains a buffer of up to eight alarms A listing of the DataCORDER alarms is provided in Table 11 page 44...

Page 54: ...Save Option noSAv SAv CnF24 Advanced Pre Trip Enhanced Test Series Option Auto Auto2 Auto 3 CnF25 Pre Trip Test Points Results Recording Option rSLtS dAtA CnF26 Heat Lockout Change Option Set to 10_C...

Page 55: ...bient sensor reading is displayed Cd10 Compressor Suction Temperature Compressor suction temperature sensor reading is displayed Cd11 Compressor Dis charge Temperature Compressor discharge temperature...

Page 56: ...itches over to the the return temperature sensor The controller will act in the same manner as with the DTS except the return tempera ture sensor reading will be used Defrost Interval Timer Value Conf...

Page 57: ...mode is reinstated NOTE If humidification CnF35 is enabled then humidification will be enabled and dehumidification locked out at set points of 75 and above At set points be low 75 dehumidification w...

Page 58: ...is AUTO or USER If not Cd45 will display In software revision 5125 Codes Cd43 Cd45 were consolidated into Code Cd43 and Codes Cd44 Cd45 were reassigned Cd43 AutoFresh Mode Code Cd43 is a user selectab...

Page 59: ...otor internal protector and will disable all control units except for the evaporator fans This alarm will remain active until the motor protector resets This alarm is deactivated if the unit is operat...

Page 60: ...is triggered when the compressor high discharge pressure safety switch remains open for at least one minute This alarm will remain active until the pres sure switch resets at which time the compresso...

Page 61: ...action AL69 Suction Temperature Sensor Failure Alarm 69 is triggered by a suction temperature sensor reading outside the valid range of 60_C 76_F to 150_C 302_F This is a display alarm and has no asso...

Page 62: ...uration variable NOTE If the unit is configured for single evaporator fan operation Pre Trip tests P3 0 P3 1 P4 0 and P4 1 will fail immediately if Controller alarm codes AL11 or AL12 are active at th...

Page 63: ...and fans continue to run from the previous test The quench valve if configured will operate as in normal control mode The SMV is closed to 0 open current and condenser pressure readings are taken The...

Page 64: ...nsduc er DPT pressure exceeds 27 42 kg cm2 390 psig P7 1 High Pressure Switch Open Requirements Test P7 0 must pass for this test to execute Setup The con denser fan is started and a 60 second timer i...

Page 65: ...container temperature is above 7_C 45_F If the container temper ature is below 7_C a 180 minute timer will be started the set point will be set to 7_C and the control will be placed in normal heat Th...

Page 66: ...at this time dC26 27 S N Left 4 Right 4 The DataCORDER serial number consists of eight characters Function code dC26 contains the first four characters Function code dC27 contains the last four charac...

Page 67: ...0 Compressor On Pass Fail Skip Result Change in currents for Phase A B and C 6 1 Not Applicable Not Used 6 2 Suction Modulation Valve Open and Closed Pass Fail Skip Result Is current or pressure limi...

Page 68: ...is time dAL78 85 Network Data Point 1 8 Out of Range The network data point is outside of its specified range The DataCORD ER is configured by default to record the supply and return recorder sen sors...

Page 69: ...on 0 OFF 2 Plug the 460 vac yellow cable into a de energized 380 460 vac 3 phase power source Energize the power source Place circuit breaker CB 1 in position I ON Close and secure control box door 4...

Page 70: ...and remain stopped until the CFS switch is set to position I CAUTION When condenser water flow is below 11 lpm 3 gpm or when water cooled operation is not in use the CFS switch MUST be set to positio...

Page 71: ...Codes Cd04 Cd05 Cd06 is within expected limits Otherwise tests may fail incorrectly 2 All alarms must be rectified and cleared before starting tests 3 Pre trip may also be initiated via communications...

Page 72: ...ontroller continuously performs probe diagnosis testing which compares the four probes If the probe diagnosis result indicates a probe problem exists the controller will perform a probe check to ident...

Page 73: ...ATING COOLING AIR CIRCULATION ONLY AIR CIRCULATION MODULATING COOLING 2 5_C 4 5_F Figure 16 Controller Operation Perishable Mode AIR CIRCULATION ONLY SET POINT FALLING TEMPERATURE RISING TEMPERATURE 1...

Page 74: ...ned to de energize compressor and con denser fan motors The cool light is also de ener gized f The evaporator fan motors continue to run to circulate air throughout the container The in range light re...

Page 75: ...ion code Cd27 reaches the defrost interval set by the user 4 The controller probe diagnostic logic determines that a probe check is necessary based on the tempera ture values currently reported by the...

Page 76: ...bypass the controller in the event of controller failure The EMERGENCY DEFROST switch functions to bypass the controller and place the unit in the defrost mode 4 11 1 Emergency Bypass Operation To pl...

Page 77: ...ure switch open 5 7 page 55 Heat termination thermostat open Replace Compressor hums but does not start Low line voltage Check Single phasing Check Shorted or grounded motor windings 6 8 page 61 Compr...

Page 78: ...eat Heater s defective 6 15 page 70 Heater contactor or coil defective Replace Evaporator fan motor s defective or rotating backwards 6 16 page 70 6 17 page 71 Evaporator fan motor contactor defective...

Page 79: ...e 60 Expansion valve defective 6 14 page 68 No evaporator air flow or restricted air flow 6 15 page 70 Excessive frost on evaporator coil 5 6 page 54 Evaporator fan s rotating backwards 6 17 1 page 71...

Page 80: ...page 68 Loss of element bulb charge Broken capillary Foreign material in valve High suction pressure with low superheat Superheat setting too low 6 14 page 68 External equalizer line plugged Ice holdi...

Page 81: ...he connections and close off the port With the valve stem midway between frontseat and backseat the lines are open to boththe connectionsand the gauge connection For example the valve stem is first fu...

Page 82: ...ol being used To connect the manifold gauge hose set do the following 1 Remove service valve stem caps and check to make sure they are backseated Remove service port caps See Figure 22 2 Connect the h...

Page 83: ...ehydrate the unit Refer to section 6 6 e Charge unit per section 6 7 6 6 EVACUATION AND DEHYDRATION 6 6 1 General Moisture is the deadly enemy of refrigeration systems The presence of moisture in a re...

Page 84: ...manifold to the compressor dis charge and suction service valves For units operat ing on a water cooled condenser change over to air cooled operation b Bring the container temperature to approximately...

Page 85: ...ompressor plate mounting bolts f Remove compressor and mounting plate Refer to section 2 2 page 11 for weight of compressor g Remove high pressure switch HPS from compres sor and check operation of sw...

Page 86: ...mbly Figure 29 Bottom Plate Removed b Loosen cylinder head capscrews If the cylinder head is stuck tap the center of the cylinder head with a wooden or lead mallet Do not strike the side of the cylind...

Page 87: ...1 2 3 4 5 6 7 1 Strainer Screws and Washers 2 Suction Strainer 3 Motor End Cover Gasket 4 Motor End Cover 5 Valve Gasket 6 Suction Service Valve 7 Valve Capscrew Figure 32 Motor End Cover i Remove th...

Page 88: ...Any valve wear will cause leakage 1 2 3 1 Suction Valve 2 Suction Valve Positioning Spring 3 Valve Plate Dowel Pin Figure 35 Suction Valve Positioning Springs Suction valves are positioned by dowel p...

Page 89: ...r a Checking the Oil Level in the Compressor 1 Operate the unit in cooling mode for at least 20 min utes 2 Check the front oil sight glass on the compressor to ensure that no foaming of the oil is pre...

Page 90: ...ncrease pressure on switch The switch should open at a static pressure up to 25 kg cm 350 psig If a light is used light will go out If an ohmmeter is used the meter will indicate open circuit g Slowly...

Page 91: ...nt of compound required how to prepare the solution how to control and conclude the de scaling operation by rinsing and neutralizing equipment before putting it back into service The representative s...

Page 92: ...TS CO 675 Central Avenue New Providence NJ 07974 U S A or visit www oakite com for the name and address of the service representative in your area Fill condenser with clean ing solution Do not add sol...

Page 93: ...e 84 determine the saturation temperature cor responding to the evaporator outlet test pressures at the suction modulation valve g Subtract the saturation temperatures determined in step f from the te...

Page 94: ...er section 6 6 and add refrigerant charge per section 6 7 6 15 2 Evaporator Heater Replacement a Before servicing unit make sure the unit circuit break ers CB 1 CB 2 and the start stop switch ST are i...

Page 95: ...nd to detect insulation breakdown under load conditions The important advantages of a analyzer are its ability to locate capacitors that have failed to hold their microfarad ratings or those that are...

Page 96: ...oceed to step 6 18 4 to check out the controller b Checking with SMA 12 portable stepper drive tester The SMA 12 portable stepper drive tester Carrier Transicold P N 07 00375 00 is a battery operated...

Page 97: ...age 59 b Remove SMV powerhead by loosening the 2 1 8 inch diameter nut see Figure 45 torelieve anypres sure and then sliding the powerhead out c Remove the piston by loosening the Allen screw and remo...

Page 98: ...e dissipa tion mat will provide a static free work surface on which to place and or service the controller b Disconnect and secure power to the unit c Place strap on wrist and attach the ground end to...

Page 99: ...ST 4 The Display module will show 489 on the left LCD display and on the right The will be the dash number for a given unit model number use the UP or DOWN ARROW key to scroll through the list to obta...

Page 100: ...inches Slide the cap and grommet off well mounted sensor and save for possible reuse Do not cut the grommet c If required prepare the replacement sensor by cut ting sensor wire s back 40 mm 1 1 2 inch...

Page 101: ...e return sensor be sureto position the seal section of the sensor against the the side of the mounting clamp c Sensor DTS The DTS sensor must have insulating material placed completely over the sensor...

Page 102: ...h piece d Rivet the patch piece in place e File smooth any rough edges including rivets that may come into contact with wires 6 24 4 Inserts The threaded brass inserts that are molded into the control...

Page 103: ...375 in 10 24 Threads 34 06231 05 10 6 Insert 12 7 x 9 91 mm 5 x 390 in 1 4 20 Threads 34 06231 06 10 7 Insert 9 53 x 6 76 mm 375 x 266 in 10 24 Threads 34 06231 07 10 8 Durabond Epoxy E20 HP Loctite...

Page 104: ...80 T 305 03 03 03 03 03 04 04 03 01 07 07 05 05 06 INSERT PART NUMBERS 34 06231 WHERE THE IS AS INDICATED 04 Figure 52 Insert Locations...

Page 105: ...ow voltage shield Table 16 Recommended Bolt Torque Values BOLT DIA THREADS TORQUE MKG FREE SPINNING 4 6 8 10 1 4 5 16 3 8 7 16 1 2 9 16 5 8 3 4 40 32 32 24 20 18 16 14 13 12 11 10 5 2 in lbs 9 6 in lb...

Page 106: ...orted the needle will swing to zero resistance position and stay there 2 Capacitor analyzer The function of the analyzer is to read the microfarad value of a capacitor and to detect insulation breakdo...

Page 107: ...1 66 2 21 Side Shield 6 10 0 83 1 38 Oil Pump Drive Segment 12 16 1 66 2 21 Unloader Valve 5 16 18 16 20 2 21 2 77 Cover Plate Plate End Bearing Head Terminal Block Cap Screws 20 30 2 77 4 15 Suction...

Page 108: ...28 22 6 19 9 137 2 1 40 1 37 24 4 21 4 147 6 1 50 1 48 26 3 22 9 157 9 1 61 1 58 Temperature Pressure _F _C psig kPa kg cm bar 28 2 24 5 168 9 1 72 1 69 30 1 26 1 180 0 1 84 1 80 32 0 27 8 191 7 1 95...

Page 109: ...eup vent closed unit powered on 460 VAC 60hz and SMV 100 open Compressor Discharge Pressure Versus Ambient Air Temperature at Stable Box Temperature 80 100 120 140 160 180 200 220 240 260 280 300 320...

Page 110: ...Suction Pressure Versus Ambient Air Temperature at Stable Box Temperature 8 9 10 11 12 13 14 15 16 17 60 70 80 90 100 110 120 Ambient Air Temperature Compressor Motor Current Versus Ambient Air Temper...

Page 111: ...rbon dioxide injection equipment consists of the customer supplied cylinder with regulator and a controller operated solenoid valve A detailed description of the system is provided in section 8 4 page...

Page 112: ...88 T 305...

Page 113: ...leak check the container by pressurizing with one port and attaching a pressure gauge onto the other port and monitoring for leakage S A calibration gas port is used with the Controlled Atmosphere CA...

Page 114: ...e flow of air through the nitrogen membrane separator The nitrogen membrane separator takes the heated pressurized air and generates high purity nitrogen for use in the cargo area of the container Oxy...

Page 115: ...r Compressor Motor AM 6 Air Sample Filter Assembly 7 Sample Air Solenoid Valve SAV 8 Air Calibration Solenoid Valve ASV 9 Gas Calibration Solenoid Valve GSV 10 Nitrogen Sample Solenoid Valve NSV 11 So...

Page 116: ...the CA Controller module 1 2 3 5 6 7 8 9 CF1 CF2 4 1 Keypad 2 Controlled Atmosphere Controller Module 3 Controlled Atmosphere Display Module 4 Heater Interface Module HIM 5 Air Heater Triac AT 6 Volt...

Page 117: ...al operation and CA Pre Trip A pressure relief valve is used to protect the air compressor and system components from over pressurization due to system obstructions A pressure regulator maintains an o...

Page 118: ...entering the container when there is a hazardous atmosphere present Also a pre trip kit has been provided one of its components plastic curtain is used to help prevent leakage through the rear doors...

Page 119: ...ssure Regulator located upstream of the nitrogen membrane filter assembly see Figure 62 page 97 Opens 8 kg cm2 115 psi c High Air Temperature Switch Opens 82 3 _C 180 5 _F Closes 70 5 _C 158 9 _F 8 3...

Page 120: ...called the nitrogen purity valve NPV item 17 When de energized the NPV allows a very pure stream of nitrogen to pass into the container used to decrease the amount of oxygen To decrease the amount of...

Page 121: ...Membrane Pressure Transducer MPT 13 Air Heater 14 High Air Temperature Switch HTS 15 Nitrogen Membrane Seperator 16 Membrane Temperature Sensor MTS 17 Nitrogen Purity Solenoid Valve NPV 18 Air Sample...

Page 122: ...f electrical contacts when an unsafe condition occurs The entire CA system will shut down if one of the following safety devices open S Control Contactor Fuse F3 S Control Circuit Fuse F1 F2 S Air Com...

Page 123: ...em conditions before enabling start up of the CA b Control oxygen and carbon dioxide levels within a re frigeration container and monitor the percentage lev el of nitrogen being generated c Control Th...

Page 124: ...Software and the need exists to upgrade to a newer version of the software b A CA Controller module was damaged in such a way that the integrity or existence of software within the module is question...

Page 125: ...essed on power up Vent Initiates the safety procedure for venting the container of hazardous gases before unlocking the rear access doors See section 10 7 The display module see Figure 65 is mounted a...

Page 126: ...Display Nitrogen Supply Pressure MPT Displays the pressure of the nitrogen membrane separator Cd08 Display O2 Sensor Value OS Displays the percentage of oxygen in the gas flowing through the oxygen se...

Page 127: ...the current operating status of the gas calibration solenoid valve OPEN or CLOSED Cd25 Display N2 Sample Solenoid Valve State NSV Displays the current operating status of the nitrogen sample solenoid...

Page 128: ...rred but no longer exists The AA indicates an active alarm one that is still indicating an improper condition S Alarms that disable all control units Shut Down alarms are AL30 AL31 AL32 and AL36 AL39...

Page 129: ...log to Digital converter used to convert analog readings i e gas sensors pressure sensors etc to digital readings The CA Controller continuously performs calibration tests on the A D converter If the...

Page 130: ...and carbon dioxide inside the refrigerated container The level of oxygen and carbon dioxide in the container is lowered by replacing them with nearly pure nitrogen generated by the system The level of...

Page 131: ...CA Controller will then actuate the solenoid valve CSV when required 9 2 CA PRE TRIP DIAGNOSTICS Pre trip Diagnostics is an independent mode which will suspend the normal Control Mode activities when...

Page 132: ...to any gas supplier certified 5 carbon dioxide 4 5 to 5 5 is acceptable balance nitrogen Disposable bottles of calibration gas are available from Carrier Transicold service parts P N 07 00322 01 If ca...

Page 133: ...n run with OSV open for 10 seconds A timer will be displayed during the test Pass Fail Criteria Passes for a detected initial pressure greater than 50 psig and pressure drop greater than 20 psig after...

Page 134: ...mperature should be within 3_C of setpoint However this test will not fail if this requirement is not met Setup This test will check the nitrogen percentage from the membrane and will run for up to 10...

Page 135: ...h or less 2 For pressure decay testing measure the time re quired for the pressure to decay from2 0 incheswater gauge 38 mm to 1 0 inch water gauge 25 mm The acceptable time span is 105 seconds or mor...

Page 136: ...t a calibration gas of known CO2 content If code 32 is set to OFF test is skipped P5 0 System performance is tested for N2 purity at the output from the membrane P5 1 System performance is tested for...

Page 137: ...ay will be shown rather than the gas concentration The normal display will not show an O2 reading less than 0 0 or higher than 20 9 nor a CO2 reading less than 0 0 or higher than 100 0 The five second...

Page 138: ...rom the air makeup vent 3 To enter the container the interlock system must be removed To remove the system remove the center bolt from the catch or remove the four screwsholding the interlock system t...

Page 139: ...eized Check 11 2 CONTROLLED ATMOSPHERE CA SYSTEM MALFUNCTION Air compressor will not start Temperature Controller not configured for CA Check CA in STANDBY mode Check External power source OFF Turn on...

Page 140: ...k Nitrogen membrane separator defective Check CA piping clogged or kinked Check Inconsistent gas reading Incorrect calibration values Calibrate Cal gas calibration error Calibrate Fresh air makeup is...

Page 141: ...X Replace poly sheet curtain and curtain label and ensure that it is correctly installed 12 12 pg 131 X Oxygen sensor If function code Cd14 is displayed on service list when service LED is energized o...

Page 142: ...more working area 2 Cut the wire tie item 7 and loosen the hose clamp item 14 Disconnect the PVC tube item 15 from the tube connection item 3 of air compressor 3 Remove four bolts item 12 and four fla...

Page 143: ...E SIDE OF THE CYL INDER HEAD f Remove four 1 4 inch socket head cap screws secur ing each cylinder sleeve to the crankcase Remove the cylinder sleeves g Remove the four 1 4 inch socket head cap screws...

Page 144: ...23 23 19 19 18 24 25 15 1 Motor 2 Motor Shaft Spacer 3 Piston Skirt 4 Piston Rings 5 Piston Ring Expanders 6 Piston and Connecting Rod Assembly 7 Rear Crankcase 8 Front Crankcase 9 Cylinder Sleeve Ga...

Page 145: ...assembly to prevent movement of the square key DO NOT PEEN THE MOTOR SHAFT KEYWAY AS DAMAGE TO THE SHAFT MAY RE SULT i Install the four piston ring expanders one in each of the piston ring grooves tw...

Page 146: ...ably clean area where there is an adequate area to disassemble the unit 3 Locate crankcase filter Item 3 Figure 77 Use a 7 16 open end wrench to completely loosen the nut of the tube fitting near the...

Page 147: ...head with ink dot fac ing up Place valve alignment hole by ink dot over head alignment hole 3 Install o rings into grooves on each side of the valve plate Lubricate each o ring with small amount of si...

Page 148: ...ad to valve plate and cylinder for each head assembly prior to removal Use 3 16 socket head wrench to remove 4 socket head cap screws from one cylinder head Remove head valve plate and valves from the...

Page 149: ...secure with two screws Figure 76 Rod Pusher Installation 7 Carefully raise crankcase enough to removec stand 8 Use a press to push rods and crankcase toward mo tor shell and into location Crankcase w...

Page 150: ...Elbow tube 9 Manifold Sleeve 10 Head and Valve Assembly 11 Head 12 O Ring 13 Pipe Plug 14 Outlet Valve 15 Valve Plate 16 Intake Valve 17 Cylinder 18 O Ring Cylinder 19 Shim 20 Piston Assembly 21 Pisto...

Page 151: ...1 Swing open the controlled atmosphere control box door 2 Remove two bolts that attach the control box to the unit frame Remove two bolts that attach the control box to the condenser coil cover Swing...

Page 152: ...container venting procedures before perform ing any maintenance on the oxygen sensor item 4 Figure 80 2 Remove the cushion clamp and screws item 3 that secure the oxygen sensor 3 Cut the wire tie that...

Page 153: ...separator 4 Lower the upper panel and support the top grille witha spacer for an easier removal process 5 Remove insulation from permeate discharge line then remove drain line from permeate discharge...

Page 154: ...op Grille 2 Upper Panel 3 Bottom Right Side Panel 4 Rivet 5 Top Fitting 6 Plate 7 Bolts 8 Carbon Dioxide Bottle Feed Line 9 Nitrogen Membrane Separator 10 Screws 11 Membrane Mounting Bracket Assembly...

Page 155: ...ribbon into the ribbon channel Finish in serting the curtain across the entire upper ribbon channel 4 Insert the curtain into the side channels finishing the procedure by inserting the curtain into th...

Page 156: ...ch to place and or service the Controller Note Dissipation mat may be ordered CTD P N 07 00277 00 2 Disconnect and secure power to the unit 3 Place strap on wrist and attach the ground or clip end of...

Page 157: ...e will read 1 When the software loading has successfully completed the Display will show the message Pro donE 2 If a problem occurs while loading the software the Display will blink the message Pro FA...

Page 158: ...T 305 1 2 3 4 MA MB KA KB MC SIDE VIEW 2 FRONT VIEW 5 TP 1 Mounting Screw 2 Controller Module 3 Test Points 4 Controller Software Port 5 Programming Card Figure 84 Controlled Atmosphere ML2i Control...

Page 159: ...M 10 R 8 F FUSE C 7 FDH FUSE DRAIN LINE HEATER F 13 FH FUSE HUMIDITY Figure 87 HA HUMIDITY ATOMIZER Figure 87 HHT HOSE HEATER THERMOSTAT J 13 HM HOUR METER M 7 HPR HUMIDITY POWER RELAY Figure 87 HPS H...

Page 160: ...Y RRS COMBINATION SENSOR ONLY BASED ON DRAWINGS 62 01801 Rev A 62 10339 Rev A 62 10369 Rev 62 10535 Rev A 62 10541 Rev A 62 10576 Rev 62 01577 Rev 62 10638 Rev 62 10730 Rev 62 10733 Rev and 62 10734 R...

Page 161: ...137 T 305 TC SEE FIGURE 78 NatureFresh HUMIDITY MANAGEMENT SYSTEM CB 1 See Figure 86 ST See Figure 86 TR See Figure 86 TC See Figure 86 Figure 87 Schematic Diagram Humidity...

Page 162: ...E SENSOR CONFIGURATION HM HM HM CHA1 HRA2 11 12 31 32 CCH CFL1 CFL3 CCH WIRES TO TR X2 HPRB NSV6 HIMA GRD CHA2 EFA2 CIB1 HRA2 KA12 KA12 HPT5 ACA2 DHH Figure 91 OR Figure 93 Figure 91 OR Figure 93 Figu...

Page 163: ...139 T 305 CFS KA6 CFA1 QC1 FDH HST RRS SINGLE SENSOR ONLY Figure 88 Wiring Diagram Sheet 2 of 2...

Page 164: ...140 T 305...

Page 165: ...ollows Figure 89 Provides the legend for use with all figures Figure 90 Provides the schematic diagram Figure 91 Provides the wiring diagram Figure 92 Provides the schematic diagram for CA units that...

Page 166: ...K2 CA CONTROLLER RELAY DOOR INTERLOCK H 12 K3 CA CONTROLLER RELAY CO2 M 6 K4 CA CONTROLLER RELAY O2 FLOW M 5 K5 CA CONTROLLER RELAY FILTER DRAIN M 3 K6 CA CONTROLLER RELAY AIR COMPRESSOR M 1 K8 CA CO...

Page 167: ...143 T 305 Based on drawings 62 10526 Rev and 62 10736 Rev Figure 90 Electrical Schematic CA...

Page 168: ...144 T 305 ALTERNATE CONFIGURATION Figure 91 Electrical Wiring Diagram Controlled Atmosphere Sheet 1 of 2...

Page 169: ...145 T 305 F Figure 88 E Figure 88 Figure 91 Electrical Wiring Diagram Controlled Atmosphere Sheet 2 of 2...

Page 170: ...146 T 305 NOTE THE SCHEMATIC AND WIRING DIAGRAM PROVIDED ON THE FOLLOWING PAGES COVER UNITS THAT HAVE NOT BEEN MODIFIED TO INCLUDE THE NITROGEN PURITY SOLENOID VALVE...

Page 171: ...147 T 305 Based on drawing 62 10367 Rev Figure 92 Electrical Schematic Units not modified to include the N2 Purity Solenoid Valve...

Page 172: ...148 T 305 Figure 93 Electrical Wiring Diagram Sheet 1 of 2 Units not modified to include the N2 Purity Solenoid Valve...

Page 173: ...149 T 305 E Figure 88 F Figure 88 Figure 93 Electrical Wiring Diagram Sheet 1 of 2 Units not modified to include the N2 Purity Solenoid Valve...

Page 174: ...150 T 305...

Page 175: ...HERE SYSTEM DATA 95 CONTROLLER 19 99 106 132 Controller Programming Card 100 Controller Section 100 Controller Software 19 Crankcase Heater 48 CURTAIN CONTAINER 131 D DataCORDER 23 27 46 DataCORDER So...

Page 176: ...de 50 Perishable Mode Conventional 20 Perishable Mode Dehumidification 21 Perishable Mode Economy 21 Port Software Programming 99 Power 45 Pre Trip 22 27 38 43 47 Selection Menu 107 PRE TRIP INSPECTIO...

Page 177: ...9 Thermistor Format 27 Torque Values 81 83 Troubleshooting 53 115 133 U Upper Fresh Air Makeup Vent 5 USDA 28 V VALVE SOLENOID 132 W Water Cooled Condenser 67 Water Pressure Switch 46 Water Cooled Con...

Page 178: ...Carrier Transicold Division Carrier Corporation P O Box 4805 Syracuse N Y 13221 U S A www carrier transicold com A member of the United Technologies Corporation family Stock symbol UTX...

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Carrier 69NT40-489-100 Series, Operation And Service Manual

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