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3–3

T-354

3.1.4

Compressor Section

The reciprocating compressor section (

) includes the compressor (with high pressure switch), power

cable storage compartment, and autotransformer.

This section also contains the suction modulating valve, discharge pressure regulating valve, discharge tempera-
ture sensor, and discharge/suction pressure transducers.

The return temperature sensor, return recorder sensor, and ambient sensor are located at the right side of the com-
pressor.

Figure 3.3 Compressor Section

1. Autotransformer
2. Power Cables and Plug
3. Compressor Sight Glass View Port
4. Compressor Guard
5. Return Temperature Sensor
6. Return Recorder Sensor
7. Ambient Sensor
8. Return Air Thermometer Port
9. Discharge Service Valve
10. Discharge Temperature Sensor
11. Discharge Pressure Regulating Valve

12. Suction Temperature Sensor
13. Quench Valve Temperature Bulb
14. Quench Valve
15. Access Valve
16. Suction Modulating Valve
17. Suction Service Valve
18. Compressor Crankcase Heater
19. Compressor Motor
20. Suction Pressure Transducer
21. High Pressure Switch
22. Discharge Pressure Transducer

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Содержание 69NT40-541-306

Страница 1: ...Container Refrigeration OPERATIONS AND SERVICE For 69NT40 541 306 314 328 Upflow Container Refrigeration Units T 354 Rev A ...

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Страница 3: ...OPERATIONS AND SERVICE For 69NT40 541 306 314 328 Upflow Container Refrigeration Units Carrier Corporation 2017 Printed in U S A May 2017 ...

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Страница 5: ...DA 2 1 2 3 8 Interrogator 2 2 2 3 9 Remote Monitoring 2 2 2 3 10 Communications 2 2 2 3 11 Compressor 2 2 2 3 12 Condenser Coil 2 2 2 3 13 Autotransformer 2 2 2 3 14 Temperature Recorder 2 2 2 3 15 Gutters 2 2 2 3 16 Handles 2 2 2 3 17 Thermometer Port 2 2 2 3 18 Water Cooling 2 2 2 3 19 Back Panels 2 2 2 3 20 460 Volt Cable 2 3 2 3 21 230 Volt Cable 2 3 2 3 22 Cable Restraint 2 3 2 3 23 Upper Air...

Страница 6: ...ad 4 2 4 1 2 Display Module 4 3 4 1 3 Controller 4 3 4 2 CONTROLLER SOFTWARE 4 4 4 2 1 Configuration Software Configuration Variables 4 4 4 2 2 Operational Software Function Codes 4 4 4 3 MODES OF OPERATION 4 5 4 3 1 Temperature Control Perishable Mode 4 5 4 3 2 Evaporator Fan Operation 4 5 4 3 3 Defrost Interval 4 5 4 3 4 Failure Action 4 5 4 3 5 Generator Protection 4 5 4 3 6 Condenser Pressure ...

Страница 7: ...ent 5 2 5 3 2 Fresh Air Position Sensor 5 3 5 4 CONNECT WATER COOLED CONDENSER 5 3 5 5 CONNECT REMOTE MONITORING RECEPTACLE 5 3 5 6 STARTING AND STOPPING INSTRUCTIONS 5 4 5 6 1 Starting the Unit 5 4 5 6 2 Stopping the Unit 5 4 5 7 START UP INSPECTION 5 4 5 7 1 Physical Inspection 5 4 5 7 2 Check Controller Function Codes 5 4 5 7 3 Start Temperature Recorder 5 4 5 7 4 DataCORDER 5 4 5 7 5 Complete ...

Страница 8: ... 7 6 1 General 7 5 7 6 2 Preparation 7 5 7 6 3 Procedure Complete System 7 5 7 6 4 Procedure Partial System 7 6 7 7 REFRIGERANT CHARGE 7 7 7 7 1 Checking the Refrigerant Charge 7 7 7 7 2 Adding Refrigerant to System Full Charge 7 7 7 7 3 Adding Refrigerant to System Partial Charge 7 7 7 8 COMPRESSOR 7 7 7 8 1 Removal and Replacement of Compressor 7 8 7 8 2 Compressor Disassembly 7 9 7 8 3 Compress...

Страница 9: ... Procedure 7 33 7 22 4 Removing and Installing the Controller 7 34 7 22 5 Battery Replacement 7 34 7 23 TEMPERATURE SENSOR SERVICE 7 34 7 23 1 Sensor Checkout Procedure 7 34 7 23 2 Sensor Replacement 7 35 7 23 3 Sensor Re Installation 7 36 7 24 VENT POSITION SENSOR VPS 7 37 7 25 ELECTRONIC TEMPERATURE RECORDER 7 38 7 25 1 Replacing the Recorder 7 39 7 25 2 Changing the Chart 7 39 7 25 3 Re zeroing...

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Страница 11: ...shable Mode Cooling 5 9 Figure 5 6 Perishable Mode Heating 5 10 Figure 5 7 Frozen Mode 5 11 Figure 5 8 Defrost 5 12 Figure 7 1 Service Valve 7 1 Figure 7 2 Manifold Gauge Set 7 2 Figure 7 3 Manifold Gauge Hose Set 7 3 Figure 7 4 Refrigeration System Service Connections 7 4 Figure 7 5 Compressor Service Connections 7 6 Figure 7 6 Compressor 7 8 Figure 7 7 Exploded View of Valve Plate 7 9 Figure 7 8...

Страница 12: ...ge Repair 7 42 Figure 7 34 Insert Location 7 44 Figure 7 35 Communications Interface Installation 7 45 Figure 7 36 R 134a Compressor Pressure Motor Current Curves Versus Ambient Temperature 1 of 2 7 51 Figure 7 37 R 134a Compressor Pressure Motor Current Curves Versus Ambient Temperature 2 of 2 7 52 Figure 8 1 Legend 8 1 Figure 8 2 Schematic Diagram Standard Unit Configuration 8 2 Figure 8 3 Unit ...

Страница 13: ...ller Alarm Indications 4 23 Table 4 7 Controller Pre Trip Test Codes 4 27 Table 4 8 DataCORDER Pre Trip Records 4 32 Table 4 9 DataCORDER Pre Trip Result Records 4 33 Table 4 10 DataCORDER Alarm Indications 4 34 Table 7 1 Sensor Temperature Resistance Chart 7 35 Table 7 2 Crack Chip and Hole Repair Kit 7 42 Table 7 3 Insert Repair Kit 7 43 Table 7 4 Drill Information 7 43 Table 7 5 Recommended Bol...

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Страница 15: ... that maintenance will only be performed by qualified personnel Beware of unannounced starting of the evaporator and gas cooler fans Do not open the gas cooler fan grille or evaporator access panels before turning power off disconnecting and securing the power plug and performing the Lock Out Tag Out procedure at the end if the Safety Summary Be sure power is turned off before working on motors co...

Страница 16: ...witch ST unit circuit breaker s and external power source WARNING Make sure the power plugs are clean and dry before connecting to any power receptacle WARNING Make sure that the unit circuit breaker s CB 1 CB 2 and the START STOP switch ST are in the O OFF position before connecting to any electrical power source WARNING Never use air for leak testing It has been determined that pressurized mixtu...

Страница 17: ...ternal pressure by loosening the bolts and tapping the component with a soft hammer to break the seal WARNING Make sure power to the unit is OFF and power plug disconnected before servicing capacitor s WARNING With power OFF discharge the capacitor before disconnecting the circuit wiring WARNING The unit power plug must be disconnected to remove power from circuit breaker CB1 WARNING Make sure pow...

Страница 18: ...e cargoes in the container CAUTION When a failure occurs during automatic testing the unit will suspend operation awaiting oper ator intervention CAUTION When Pre Trip test Auto 2 runs to completion without being interrupted the unit will terminate pre trip and display Auto 2 end The unit will suspend operation until the user depresses the ENTER key CAUTION The unit will remain in the full cooling...

Страница 19: ...on the crankshaft must be removed for this type of oil pump See Figure 7 9 CAUTION Use only Carrier Transicold approved Polyol Ester Oil POE Castrol Icematic SW20 compres sor oil with R 134a Buy in quantities of one quart or smaller When using this hygroscopic oil immediately reseal Do not leave container of oil open or contamination will occur CAUTION Take necessary steps place plywood over coil ...

Страница 20: ...sture to enter wire splice area as this may affect the sensor resistance CAUTION Do not allow the recorder stylus to snap back down The stylus arm base is spring loaded and damage may occur to the chart or the stylus force may be altered CAUTION DO NOT move the stylus arm up and down on the chart face This will result in damage to the stylus motor gear ...

Страница 21: ...r The plate provides the unit model number the unit serial number and the unit parts identification number PID The model number identifies the overall unit configuration while the PID provides information on specific optional equipment factory provision to allow for field installation of optional equipment and differences in detailed parts 2 3 OPTION DESCRIPTION Various options may be factory or f...

Страница 22: ...w Data Rate Communications Interface Module the auto transformer will be fitted with a transformer bridge unit TBU to assist in communications 2 3 14 Temperature Recorder The unit may be fitted with an electronic temperature recording device 2 3 15 Gutters Rain gutters may be fitted over the control box and recorder section to divert rain away form the controls The dif ferent gutters include stand...

Страница 23: ...rigerant that may be present in the crankcase 2 3 26 Power Correction The unit may be fitted with a set of power factor correction capacitors to assist in correction of imbalance in current draw by the compressor 2 3 27 Evaporator The evaporator section is equipped with a hermetic thermal expansion valve and a heat exchanger The unit may have six heaters 2 3 28 Evaporator Fan Operation Two evapora...

Страница 24: ...will need to be configured at the time of installation or sale 2 3 32 Condenser Grille Two styles of condenser grilles are available direct bolted grilles and hinged grilles 2 3 33 Emergency Bypass The unit may be equipped with switches to allow emergency bypass of the controller The EMERGENCY BYPASS switch functions to bypass the controller in the event of controller failure The EMERGENCY DEFROST...

Страница 25: ...quire fresh air circulation Figure 3 1 Refrigeration Unit Front Section 1 Access Panel Evaporator Fan 1 Thermostatic Expansion Valve HTT 2 Fork Lift Pockets 3 Control Box 4 Compressor Reciprocating 5 Unit Serial Number Model Number and Parts Identification Number PID Plate 6 Condenser Fan 7 TransFRESH Communications Connector 8 Interrogator Connector Front Left 9 Temperature Recorder 10 Lower Fres...

Страница 26: ... The evaporator components are accessible by removing the upper rear panel as shown in Figure 3 2 Figure 3 2 Evaporator Section UPFLOW Units With Center Access Panel 1 Evaporator Fan Motor 1 2 Supply Recorder Sensor SRS Supply Tem perature Sensor STS 3 Humidity Sensor 4 Evaporator Fan Motor 2 5 Defrost Temperature Sensor 6 Heater Termination Thermostat 7 Evaporator Coil 8 Hermetic Thermostatic Exp...

Страница 27: ...or Figure 3 3 Compressor Section 1 Autotransformer 2 Power Cables and Plug 3 Compressor Sight Glass View Port 4 Compressor Guard 5 Return Temperature Sensor 6 Return Recorder Sensor 7 Ambient Sensor 8 Return Air Thermometer Port 9 Discharge Service Valve 10 Discharge Temperature Sensor 11 Discharge Pressure Regulating Valve 12 Suction Temperature Sensor 13 Quench Valve Temperature Bulb 14 Quench V...

Страница 28: ...ough the bottom of the coil and discharges it horizontally out through the con denser fan grille Figure 3 4 Air cooled Condenser Section 1 Grille and Venturi Assembly 2 Condenser Fan 3 Key 4 Condenser Fan Motor 5 Condenser Coil Cover 6 Condenser Coil 7 Condenser Motor Mounting Bracket 8 Receiver 9 Sight Glass 10 Fusible Plug Rupture Disc Alternate 11 Condenser Pressure Transducer 12 Sight Glass Mo...

Страница 29: ...water couplings and water pressure switch The water cooled condenser replaces the standard unit receiver Figure 3 5 Water cooled Condenser Section 1 Sight Glass 2 Water Cooled Condenser 3 Rupture Disc 4 Condenser Pressure Transducer 5 Quench Valve 6 Filter Drier 7 Liquid Line Service Valve 8 Moisture Liquid Indicator 9 Coupling Water In 10 Self Draining Coupling Water Out 11 Water Pressure Switch ...

Страница 30: ...ver the main power line Refer to the master system technical manual for further information Figure 3 6 Control Box Section 1 Compressor Contactor 2 Heater Contactor 3 Display Module 4 Communications Interface Module 5 Controller DataCORDER Module Controller 6 Key Pad 7 Emergency Defrost Light 8 Start Stop Switch 9 Remote Monitoring Receptacle 10 Manual Defrost Switch 11 Controller Battery Pack 12 ...

Страница 31: ... the installation instructions included with 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 Moisture Indicator Torque 8 9 to 9 7 mkg 65 to 70 ft lbs h Rupture Disc Bursts at 35 5 kg cm 500 5 psig Torque P N 14 00215 03 1 4 to 2 mkg 10 to 15 ft lbs i Condenser Pressure Transducer Condenser Fan Starts The co...

Страница 32: ...230 VAC Resistance cold 66 8 to 77 2 ohms 20 C 68 F Type Sheath e Evaporator Fan Motor s 380 VAC 50 hz 460 VAC 60 hz Full Load Amps High Speed 1 6 2 1 Full Load Amps Low Speed 0 6 0 6 Nominal Horsepower High Speed 0 58 1 0 Nominal Horsepower Low Speed 0 07 0 12 Rotations Per Minute High Speed 2850 rpm 3450 rpm Rotations Per Minute Low Speed 1425 rpm 1750 rpm Voltage and Frequency 360 460 VAC 1 25 ...

Страница 33: ...aker CB 2 50 amp Manual Reset Trips at 62 5 amps 230 VAC Circuit Breaker CB 2 70 amp Manual Reset Trips at 87 5 amps 230 VAC Excessive current draw in the control circuit Fuse F3A F3B 7 5 amp rating Excessive current draw by the controller Fuse F1 F2 5 amp rating Excessive current draw by the emergency defrost circuit Fuse FED 5 amp rating Excessive condenser fan motor winding temperature Internal...

Страница 34: ...ting valve to the compressor 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 of load conditions During periods of low load the suction modulating valve decreases flow of refrigerant to the compressor This action balances the compressor capacity with the load and ...

Страница 35: ...RE INDICATOR FUSIBLE PLUG RECEIVER SERVICE VALVE WATER COOLED CONDENSER TXV BULB EVAPORATOR CONDENSER PRESSURE TRANSDUCER SERVICE VALVE DISCHARGE PRESSURE REGULATING VALVE EVAPORATOR CONDENSER SERVICE VALVE SERVICE VALVE Circuit with Receiver QUENCH VALVE QUENCH VALVE Circuit with Water Cooled Condenser RUPTURE DISC Suction Liquid Discharge Suction Liquid Discharge DISCHARGE PRESSURE REGULATING VA...

Страница 36: ...re 3 8 consists of the crankcase heater CCH installed onto the compressor which warms the refrigerant oil and evaporates any liquid refrigerant which may have migrated to the compressor crankcase Figure 3 8 Arctic Option Compressor Crankcase Heater CCH ...

Страница 37: ...desired cargo temperature and humidity The DataCORDER software functions to record unit operating parameters and cargo temperature parameters for future retrieval Coverage of the temperature con trol software begins with Section 4 2 Coverage of the DataCORDER software is provided in Section 4 6 The keypad and display module serve to provide user access and readouts for both of the controller funct...

Страница 38: ...nual defrost switch was toggled on Enter Confirms a selection or saves a selection to the controller Arrow Up Change or scroll a selection upward Pre trip advance or test interruption Arrow Down Change or scroll a selection downward Pre trip repeat backward Return Supply Displays non controlling probe temperature momentary display Celsius Fahrenheit Displays alternate English Metric scale momentar...

Страница 39: ...s LED is illumi nated the temperature displayed in the AIR TEMPERATURE display is the reading at the supply air probe This LED will flash if dehumidification is enabled 7 RETURN Yellow LED Energized when the return air probe is used for control When this LED is illumi nated the temperature displayed in the AIR TEMPERATURE display is the reading at the return air probe This LED will flash if dehumi...

Страница 40: ...ovide battery powered ability to access or change selected codes and set points without AC power connected f Provide the ability to reprogram the software through the use of a memory card 4 2 1 Configuration Software Configuration Variables The configuration software is a variable listing of the components available for use by the operational software This software is factory installed in accordan...

Страница 41: ...itional relays are installed to allow the unit to continue to operate on a single fan refer to Table 4 4 4 3 3 Defrost Interval Controller function code Cd27 sets two modes for defrost initiation either user selected timed intervals or auto matic control The user selected values are 3 6 9 12 or 24 hours and the factory default for the timed interval is 12 hours some units may be configured to allo...

Страница 42: ...ers When pulling down from a temperature that is more than 5 C 9 F above set point the SMV will open to reduce the pulldown time However pressure and current limit functions may restrict the valve if either exceeds the preset value The operational software is designed so the SMV will begin to close as the set point is reached The SMV will con tinue to close and restrict refrigerant flow until the ...

Страница 43: ...t relay is de energized immediately Two timers are activated in the dehumidification mode to prevent rapid cycling and consequent contactor wear They are Heater debounce timer three minutes Out of range timer five minutes The heater debounce timer is started whenever the heater contactor status is changed The heat contactor remains energized or de energized for at least three minutes even if the s...

Страница 44: ...pen as allowed by current and pressure limiting NOTE On start up of the unit SMV will reset to a known open position This is accomplished by assuming the valve was fully open driving it fully closed resetting the percentage open to zero then opening to a known 21 staging position To prevent rapid cycling of the compressor a three minute compressor off time must be satisfied before the com pressor ...

Страница 45: ... if any alarms are active f CLEAr is displayed if all alarms are inactive The alarm queue may than be cleared by pressing the ENTER key The alarm list will clear and will be displayed NOTE AL26 is active when all of the sensors are not responding Check the connector at the back of the con troller if it is loose or unplugged reconnect it Then run a pretrip test P5 to clear AL26 4 5 UNIT PRE TRIP DI...

Страница 46: ...up Six thermistor inputs Interrogation Connections Power Supply battery pack The DataCORDER performs the following functions a Logs data at 15 30 60 or 120 minute intervals and stores two years of data based on one hour interval b Records and displays alarms on the display module c Records results of pre trip testing d Records DataCORDER and temperature control software generated data and events a...

Страница 47: ...the Standard Mode and the Generic Mode A Standard Mode In the standard mode the user may configure the DataCORDER to record data using one of seven standard con figurations The seven standard configuration variables with their descriptions are listed in Table 4 3 The six thermistor inputs supply return USDA 1 2 3 and cargo probe and the humidity sensor input will be generated by the DataCORDER An ...

Страница 48: ...CF04 Thermistor Format Short Low Normal dCF05 Thermistor Sampling Type A A b C dCF06 Controlled Atmosphere Humidity Sampling Type A A b dCF07 Alarm Configuration USDA Sensor 1 A Auto On Off dCF08 Alarm Configuration USDA Sensor 2 A Auto On Off dCF09 Alarm Configuration USDA Sensor 3 A Auto On Off dCF10 Alarm Configuration Cargo Sensor A Auto On Off Table 4 3 DataCORDER Standard Configurations STAN...

Страница 49: ...ed in the DataCORDER for each corresponding pre trip test 4 6 8 DataCORDER Power Up The DataCORDER may be powered up in any one of four ways 1 Normal AC power The DataCORDER is powered up when the unit is turned on via the stop start switch 2 Controller DC battery pack power If a battery pack is installed the DataCORDER will power up for com munication when an interrogation cable is plugged into a...

Страница 50: ...120 Controller Serial 04163552 Bill of Lading 1 Origin Origin Date Destination Discharge Date Comment DataLine Tool Probe Calibration Readings USDA1 0 0 USDA2 0 0 USDA3 0 0 Cargo 0 0 Temperature Units Centigrade _______________________________________________________________________________________ May 31 2001 2 5 5 9 8 1 4 0 l a i r e S r e n i a t n o C 6 6 1 t n i o p t e S 9 Sensors Logged at ...

Страница 51: ...r has the abil ity to store multiple data files Refer to Data Retrieval manual 62 10629 for a more detailed explanation of the DataReader B DataBANKTM Card The DataBANKTM card is a PCMCIA card that interfaces with the controller through the programming slot and can download data at a much faster rate when compared to the PC or DataReader Files downloaded to the Data BANK card files are accessible ...

Страница 52: ...ower is lost B USDA Message Trip Comment A special feature is incorporated which allows the user to enter a USDA or other message at the head of a data report The maximum message length is 78 characters Only one message will be recorded per day 4 6 12 USDA Cold Treatment Procedure The following is a summary of the steps required to initiate a USDA Cold Treatment a Calibrate the three USDA probes b...

Страница 53: ...arms are active the Alarm Queue may be cleared The exception to this rule is the DataCORDER Alarm Queue Full alarm AL91 which does not have to be inactive in order to clear the alarm list To clear the alarm list 1 Press the ALT MODE ALARM LIST keys 2 Press the UP DOWN ARROW key until CLEAr is displayed 3 Press the ENTER key The alarm list will clear and will be displayed 4 Press the ALARM LIST key...

Страница 54: ...on Set to 10 C Set to 5 C CnF27 Suction Temperature Display Option Out In CnF28 Bulb Mode Option NOr bULb CnF29 Arctic Mode Out In CnF30 Compressor Size 41 CFM 37 CFM CnF31 Probe Check Option Standard SPEC CnF32 Single Evaporator Fan Option 2EF0 1EF0 CnF33 Snap Freeze Option OFF SnAP CnF34 Degree Celsius Lockout Option bOth F CnF35 Humidification Mode OFF On CnF36 SMV Type 1 standard 2 3 stepper C...

Страница 55: ...thin the expected range of values for the component Failure of this test will result in a pre trip failure or a control alarm indication Cd07 Main Power Voltage The main supply voltage is displayed Cd08 Main Power Frequency The value of the main power frequency is displayed in Hertz The frequency dis played will be halved if either fuse F1 or F2 is bad alarm code AL21 Cd09 Ambient Temperature The ...

Страница 56: ...gurable Functions NOTE Function codes Cd27 through Cd37 are user selectable functions The operator can change the value of these functions to meet the operational needs of the container Cd27 Defrost Interval Hours or Automatic There are two modes for defrost initiation either user selected timed intervals or automatic control The user selected values are OFF 3 6 9 12 or 24 hours while the factory ...

Страница 57: ...1 seconds Cd32 Current Limit Amperes The current limit is the maximum current draw allowed on any phase at any time Limiting the unit s current reduces the load on the main power supply This is ac complished by reducing the SMV position until current draw is reduced to the set point When desirable the limit can be lowered Note however that ca pacity is also reduced The five values for 460VAC opera...

Страница 58: ... probes If the unit is configured with a Data CORDER Cd38 will display If the DataCORDER suffers a failure AL55 Cd38 will display the supply recorder sensor reading Cd39 Return Recorder Sensor RRS Code Cd39 will display the current secondary return temperature sensor read ing for units configured for four probes If the unit is configured with a Data CORDER Cd39 will display If the DataCORDER suffe...

Страница 59: ...MH the set point transitions to the perishable range or an AL50 is active AL10 CO2 Sensor Failure Alarm 10 is triggered when the CO2 sensor voltage is operating outside of the 0 9 v to 4 7 v range or if the sensor is out of range This is a display alarm and has no associated failure action AL11 Evaporator Motor 1 IP Trip Alarm 11 is applicable to units with Single Evaporator Fan Capability CnF32 s...

Страница 60: ...iggered if CO2 or O2 level is outside of the limit range and the vent position is at 100 for longer than 90 minutes Alarm LED will be activated and user intervention is required The alarm is triggered off when atmospheric condi tions are within limit settings AL50 Fresh Air Position Sensor VPS Alarm 50 is activated whenever the sensor is outside the valid range There is a five minute adjustment pe...

Страница 61: ...ion of a probable failure of the defrost temperature sensor DTS It is triggered by the opening of the heat termination thermostat HTT or the failure of the DTS to go above set point within two hours of defrost initiation After one half hour with a frozen range set point or one half hour of continuous compressor run time if the return air falls below 7 C 45 F the Controller checks to ensure the DTS...

Страница 62: ...ding outside the valid range of 60 C 76 F to 150 C 302 F This is a display alarm and has no as sociated failure action NOTE If the controller is configured for four probes without a DataCORDER the DataCORDER alarms AL70 and AL71 will be processed as Controller alarms AL70 and AL71 ERR Internal Microprocessor Failure The controller performs self check routines If an internal failure occurs an ERR a...

Страница 63: ...nge specified P3 Low Speed Evaporator Fans Requirements The unit must be equipped with a low speed evaporator fan as determined by the Evaporator Fan speed select configuration 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 the start of testing P3 0 Low Spe...

Страница 64: ...ed to activate or clear control probe alarms P5 10 Humidity Sensor Controller Configuration Verification Test Requirements Test P5 9 must pass before this test is run Test is skipped if controller is not configured for the humidity sensor and the voltage is less than 0 20 volts Pass Fail Criteria Passes if controller configuration has the humidity sensor in stalled Fails if controller is not confi...

Страница 65: ...te timer is started The right display shows discharge pressure if the unit is equipped with a discharge pressure transducer DPT If no DPT is installed the condenser pressure transducer CPT reading will be displayed Pass Fail Criteria The test fails if high pressure switch fails to open in 15 minutes NOTE This test is skipped if the unit does NOT have 1 A compressor discharge sensor CPDS 2 A discha...

Страница 66: ...unning total and its associated read ings counter will be zeroed out for the remainder of the recording period at the start of this test so that the actual value recorded in the DataCORDER will be an average of only this test s results Once a recording interval is complete the average recorder supply temperature will be recorded in the DataCORDER as well as stored in memory for use in applying the...

Страница 67: ...read P10 2 and the right display will show return air temperature The unit will then be required to maintain 17 7 C 0 F temperature within 0 5 C 0 9 F of set point until a DataCORDER recording is executed The recorder return probe temperature running total and its associated count er will be zeroed for the remainder of the recording period at the start of this test so that the actual recorded valu...

Страница 68: ...his time dC26 27 S N Left 4 Right 4 The DataCORDER serial number consists of eight characters Func tion code dC26 contains the first four characters Function code dC27 contains the last four characters This serial number is the same as the Controller serial number dC28 Minimum Days Left An approximation of the number of logging days remaining until the Data CORDER starts to overwrite the existing ...

Страница 69: ... 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 limit in effect Y N 6 4 Not Applicable Not Used 6 5 Not Applicable Not Used 7 0 High Pressure Switch Closed Pass Fail Skip Result AMBS DPT or CPT if equipped Input values that component opens 7 1 High Pre...

Страница 70: ...s time dAL78 85 Network Data Point 1 8 Out of Range The network data point is outside of its specified range The Data CORDER is configured by default to record the supply and return recorder sensors The DataCORDER may be configured to record up to 8 additional network data points An alarm number AL78 to AL85 is assigned to each configured point When an alarm occurs the DataCORDER must be interroga...

Страница 71: ...ck for loose electrical connections or hardware d Check color of moisture liquid indicator e Check oil level in compressor sight glass 5 2 CONNECT POWER WARNING Do not attempt to remove power plug s before turning OFF start stop switch ST unit circuit breaker s and external power source WARNING Make sure the power plugs are clean and dry before connecting to any power receptacle 5 2 1 Connection T...

Страница 72: ... vent position sensor VPS The VPS determines the position of the fresh air vent and sends data to the controller display 5 3 1 Upper Fresh Air Makeup Vent Two slots and a stop are designed into the disc for air flow adjustments The first slot allows for a 0 to 30 air flow and the second slot allows for a 30 to 100 air flow To adjust the percentage of air flow loosen the wing nut and rotate the dis...

Страница 73: ...ting the surrounding air is objection able such as in a ship s hold If water cooled operation is desired connect in accordance with the following a Connect the water supply line to the inlet side of con denser and the discharge line to the outlet side of the condenser see Figure 3 5 b Maintain a flow rate of 11 to 26 liters per minute 3 to 7 gallons per minute The water pressure switch will open t...

Страница 74: ...cordance with desired operating parameters refer to Section 4 2 2 5 7 3 Start Temperature Recorder 1 Open recorder door and wind mechanical clock or check battery of electronic recorder Be sure key is returned to storage clip of mechanical recorder 2 Lift stylus pen by pulling the marking tip outward until the stylus arm snaps into its retracted position 3 Install new chart making sure chart is un...

Страница 75: ...splayed To start a pre trip test do the following 1 Prior to starting tests verify that unit voltage Function Code Cd 07 is within tolerance and unit amperage draw Function 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 diagnosis may also be initiated via communications The operation is...

Страница 76: ...ode operation 5 While the tests are being executed the user may terminate the pre trip diagnostics by pressing and holding the PRE TRIP key The unit will then resume normal operation If the user decides to terminate a test but remain at the test selection menu the user may press the UP ARROW key When this is done all test outputs will be de energized and the test selection menu will be displayed 6...

Страница 77: ...gs are outside of the limits In this configuration a probe check will not be run as a part of a normal defrost but only as a part of a defrost initiated due to a diagnostic reading outside of the limits 30 Minute Timer The 30 minute timer will be reset at each of the fol lowing conditions At every power up At the end of every defrost After every diagnostic check that does not fall out side of the ...

Страница 78: ...T 354 5 8 Figure 5 3 Controller Operation Perishable Mode Figure 5 4 Controller Operation Frozen Mode ...

Страница 79: ...fan motor CF compressor motor CH evaporator fan motors EF energized and the COOL light illuminated see Figure 5 5 Figure 5 5 Perishable Mode Cooling 2 When the air temperature decreases to a predetermined tolerance above set point the in range light is illu minated 3 As the air temperature continues to fall modulating cooling starts at approximately 2 5 C 4 5 F above set point see Figure 5 3 4 The...

Страница 80: ...ut when in the Frozen Mode 1 If the air temperature decreases 0 5 C 0 9 F below set point the system enters the heating mode see Figure 5 3 The controller closes contacts TH see Figure 5 6 to allow power flow through the heat termi nation thermostat HTT to energize the heaters HR The HEAT light is also illuminated The evaporator fans continue to run to circulate air throughout the container 2 When...

Страница 81: ...nated Figure 5 7 Frozen Mode 3 Contacts TC and TN are opened to de energize the compressor and condenser fan motors when the re turn air temperature decreases to 0 2 C 0 4 F be low set point The cool light is also de energized 4 The evaporator fan motors continue to run to circulate air throughout the container The in range light re mains illuminated as long as the return air is within tolerance o...

Страница 82: ...al code 27 shall be displayed 2 The user sends a defrost request by communications 3 The defrost interval timer controller function 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 temperature values currently reported by the supply and re turn probes 5 The controller Demand Defrost configuration ...

Страница 83: ...efrost does not terminate correctly and temperature reaches the set point of the heat termination thermostat HTT the thermostat will open to de energize the heaters If termination does not occur within two hours the con troller will terminate defrost An alarm will be given of a possible DTS failure If probe check controller function code CnF31 is configured to special the unit will proceed to the ...

Страница 84: ...tch which is placed in the EMERGENCY DEFROST position to De energize the compressor condenser fan and evaporator fan contactors Illuminate the EMERGENCY DEFROST LIGHT Energize the heater contactor Illuminate the DEFROST LIGHT CAUTION The unit will remain in the DEFROST mode as long as the emergency defrost switch is in the DEFROST position To prevent cargo damage the operator must monitor containe...

Страница 85: ...n 6 7 Heat termination thermostat open Replace Compressor hums but does not start Low line voltage Check Single phasing Check Shorted or grounded motor windings 7 8 Compressor seized 7 8 6 2 UNIT OPERATES LONG OR CONTINUOUSLY IN COOLING Container Hot load Failure to Pre cool Normal Defective box insulation or air leak Repair Refrigeration System Shortage of refrigerant 7 7 1 Evaporator coil covere...

Страница 86: ...ation switch open 7 15 Unit will not heat or has insufficient heat Heater s defective 7 15 Heater contactor or coil defective Replace Evaporator fan motor s defective or rotating backwards 7 15 7 16 Evaporator fan motor contactor defective Replace Controller malfunction 6 9 Defective wiring Replace Loose terminal connections Tighten Low line voltage 3 3 6 5 UNIT WILL NOT TERMINATE HEATING Unit fai...

Страница 87: ...e Suction service valve partially closed Open Filter drier partially plugged 7 13 Low refrigerant charge 7 7 1 Expansion valve defective 7 14 No evaporator air flow or restricted air flow 7 15 Excessive frost on evaporator coil 6 6 Evaporator fan s rotating backwards 7 16 Discharge pressure regulator valve defective 7 20 Suction modulation valve malfunction 7 19 Suction and discharge pressures ten...

Страница 88: ...h 7 7 1 Power assembly failure 7 14 Loss of element bulb charge Broken capillary Foreign material in valve High suction pressure with low superheat Superheat setting too low 7 14 External equalizer line plugged ice holding valve open Open Foreign material in valve 7 14 Liquid slugging in compressor Pin and seat of expansion valve eroded or held open by foreign material 7 14 Fluctuating suction pre...

Страница 89: ...d line service valves see Figure 7 1 are provided with a double seat and a gauge connection which enables servicing of the compressor and refrigerant lines Turning the valve stem clockwise all the way forward will frontseat the valve to close off the suction discharge or liquid line and open the gauge port to the compressor or low side Turning the valve stem counterclockwise all the way out will b...

Страница 90: ...uge hose set with self sealing hoses see Figure 7 3 is required for service of the models covered within this manual The manifold gauge hose set is available from Carrier Transicold Carrier Transicold P N 07 00294 00 which includes items 1 through 6 Figure 7 3 To perform service using the manifold gauge hose set do the following Preparing Manifold Gauge Hose Set For Use If the manifold gauge hose ...

Страница 91: ... brought to the tool 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 7 1 2 Connect the high side field service coupling see Figure 7 3 to the discharge or liquid line valve service valve port 3 Turn the high side field service coupling knob red clockwise which will ope...

Страница 92: ...t both manifold set valves Remove the couplings from the service ports 4 Install both service valve stem caps and service port caps finger tight only 7 4 PUMPING THE UNIT DOWN To service the filter drier moisture liquid indicator expansion valve suction modulation valve quench valve or evaporator coil pump the refrigerant into the high side as follows 1 Attach manifold gauge set to compressor serv...

Страница 93: ... The presence of moisture in a refrigeration system can have many undesirable effects The most common are copper plating acid sludge formation freezing up of metering devices by free water and formation of acids resulting in metal corrosion 7 6 2 Preparation 1 Evacuate and dehydrate only after pressure leak test refer to Section 7 5 2 Essential tools to properly evacuate and dehydrate any system i...

Страница 94: ... valves Shut off the vacuum pump Wait five minutes to see if vacuum holds This procedure checks for residual moisture and or leaks 2 With a vacuum still in the unit the refrigerant charge may be drawn into the system from a refrigerant con tainer on weight scales Continue to Section 7 7 7 6 4 Procedure Partial System 1 If the refrigerant charge has been removed from the compressor for service evac...

Страница 95: ...weight of cylinder and refrigerant 3 Open liquid valve on cylinder Open liquid line valve half way and allow the liquid refrigerant to flow into the unit until the correct weight of refrigerant refer to Section 3 2 has been added as indicated by scales NOTE It may be necessary to finish charging unit through suction service valve in gas form due to pressure rise in high side of the system refer to...

Страница 96: ...nting bolts break seal and then remove bolts 5 Remove compressor plate mounting bolts 6 Remove compressor and mounting plate Refer to Section 3 2 for weight of compressor 7 Remove high pressure switch HPS from compressor and check operation of switch refer to Section 7 9 2 Figure 7 6 Compressor 1 Discharge Valve Flange 2 High Side Pressure Connection 3 Low Side Pressure Connection 4 Suction Valve ...

Страница 97: ...ening the bolts and tapping the component with a soft hammer to break the seal CAUTION Removing the compressor motor press fit stator in the field is not recommended The rotor and stator are a matched pair and should not be separated NOTE When disassembling compressor match mark parts so they may be replaced in their same relative posi tions see Figure 7 6 Refer to Table 7 6 and Table 6 7 for comp...

Страница 98: ...move the bot tom plate oil suction screen and screen hold down plate Inspect the screen for holes or an accumulation of dirt The screen can be cleaned with a suitable sol vent 5 Match mark each connecting rod cap see Figure 7 8 and connecting rod for correct reassembly Remove the bolts and connecting rod caps Push the piston rods up as far as they will go without having the piston rings extend abo...

Страница 99: ...al parts are not available If the pump requires inspection or cleaning dis assemble and reassemble by referring to Figure 7 10 Clean all parts and coat all moving parts with compressor oil before proceeding with reassembly Figure 7 10 Low Profile Oil Pump 1 Cap screws 2 Cover 3 Reversing Assembly 4 Pinion 5 Gear 6 Drive 7 O Ring 8 Oil Pump Bearing 9 Set Screw 10 Relief Valve 11 Pin 12 Gasket 1 2 3...

Страница 100: ...at is not easily removed replace the strainer Install new gaskets upon reassembly 3 Block the compressor crankshaft so that it cannot turn Use a screwdriver to bend back the tabs on the lock washer and remove the equalizer tube and lock screw assembly see Figure 7 12 The slingers at the end of the tube draw vapor from the crankcase Remove the rotor using a jack bolt Insert a brass plug into the ro...

Страница 101: ... screw 2 Cap 3 Crankshaft 4 Thrust Washer 5 Rotor Drive Key 6 Connecting Rod 7 Compression Ring 8 Piston 9 Pin 10 Retainer 7 8 3 Compressor Re assembly Clean all compressor parts using a suitable solvent with proper precautions Coat all moving parts with the proper compressor oil before assembly Refer to Table 7 7 for applicable compressor torque values 1 2 3 1 2 3 4 5 6 7 8 9 10 ...

Страница 102: ...nstalling valve plates and cylinder heads Compression Rings The compression ring is chamfered on the inside circumference This ring is installed with the chamfer toward the top Stagger the ring end gaps so they are not aligned Figure 7 14 Suction Valve Positioning Springs 1 Suction Valve 2 Suction Valve Positioning Spring 3 Valve Plate Dowel Pin Figure 7 15 Piston Ring The gap between the ends of ...

Страница 103: ... equalizer tube and lock screw assembly with lock washer and bend over tabs of lock washer Assemble suction strainer to motor and cover and bolt cover to crankcase Assemble valve plates and gaskets Assemble cylinder heads and gaskets Turn the shaft by hand to see that it moves freely 7 Install the oil suction screen the oil suction screen hold down plate and the bottom plate 7 8 6 Compressor Oil L...

Страница 104: ...sight glass oil must be removed from the compressor 2 Close frontseat suction service valve and pump unit down to 1 2 to 1 3kg cm 2 to 4psig Frontseat dis charge service valve and remove remaining refrigerant 3 Loosen the oil drain plug on the bottom plate of the compressor and drain the proper amount of oil from the compressor to obtain the correct level Backseat the suction and discharge service...

Страница 105: ...r fan grille before turning power OFF and disconnecting power plug 1 Using a refrigerant reclaim system remove the refrigerant charge 2 Remove the condenser coil guard 3 Unsolder discharge line and remove the line to the receiver or water cooled condenser 4 Remove coil mounting hardware and remove the coil 5 Install replacement coil and solder connections 6 Leak check the coil connections per para...

Страница 106: ...ing condensing water is an indication of a dirty condensing coil To find the approximate condensing temperature with the unit running in the cooling mode install a gauge 0 to 36 2kg cm 0 to 500psig on the compressor discharge service valve Example Discharge pressure is 10 3kg cm2 146 4psig Referring to Table 6 8 R 134a pressure temperature chart the 10 3kg cm2 146 4psig value converts to 43 C 110 ...

Страница 107: ... escaping gas 6 Allow the Oakite No 32 solution to soak in the tube coils for several hours periodically pump circulating it with an acid proof pump An alternate method may be used whereby a pail see Figure 7 18 filled with the solution and attached to the coils by a hose can serve the same purpose by filling and draining The solution must con tact the scale at every point for thorough de scaling ...

Страница 108: ...7 18 Water Cooled Condenser Cleaning Gravity Circulation NOTE Fill condenser with cleaning solution Do not add solution more rapidly than vent can exhaust gases caused by chemical action What You Can Do For Further Help Contact the Engineering and Service Department of the OAKITE PRODUCTS CO 675 Central Avenue New Providence NJ 07974 U S A or visit www oakite com for the name and address of the se...

Страница 109: ...s an automatic device that maintains constant superheat of the refrigerant gas leaving the evaporator regardless of suction pressure The valve functions are 1 Automatic control of the refrigerant flow to match the evaporator load 2 Prevention of liquid refrigerant entering the compressor Unless the valve is defective it seldom requires maintenance other than periodic inspection to ensure that the ...

Страница 110: ...e TXV is a hermetic valve and does not have adjustable superheat See Figure 7 20 2 All connections on the hermetic TXV are bi metallic copper on the inside and stainless on the outside 3 All joints on the hermetic TXV inlet outlet and equalizer lines are brazed 4 Bi metallic connections heat up very quickly Figure 7 20 Thermostatic Expansion Valve 1 Hermetic Thermostatic Expansion Valve TXV 2 Non ...

Страница 111: ...e equalizer line 4 Reinstall the cushion clamp 5 Thread the thermal bulb through the opening above the evaporator coil see Figure 3 2 and slide it under the strap and secure the thumb screw Close the insulation flap Reinstall bulb access panel 6 Check superheat refer to Section 7 14 1 7 15 EVAPORATOR COIL AND HEATER ASSEMBLY The evaporator section including the coil should be cleaned regularly The...

Страница 112: ...d down clamp securing heater s to coil 5 Lift the bent end of the heater with the opposite end down and away from coil Move heater to the side enough to clear the heater end support and remove 7 16 EVAPORATOR FAN AND MOTOR ASSEMBLY The evaporator fans circulate air throughout the container by pulling air in through the bottom of the unit The air is forced through the evaporator coil where it is ei...

Страница 113: ...peed motors 6 Replace access panel making sure panel does not leak Make sure that the T I R locking device is lock wired Figure 7 24 Evaporator Fan Assembly 1 Bracket Motor Mount 2 Bolt Hex Head 3 8 16 x 1 00 lg 3 Washer Lock 3 8 4 Washer Flat 3 8 5 Key 3 16 square x 1 3 8 x 1 00 lg SST 6 Evaporator Fan 7 Bracket Mounting 8 Shim if required 9 Evaporator Motor STS SRS 1 probe 3 wire 1 6 5 7 8 9 2 3...

Страница 114: ...dis connect power plug Remove the evaporator fan motor access panel see Figure 3 2 For removal of the evaporator fan assembly refer to Section 7 16 7 17 3 Checking the Capacitor If the capacitor is suspected of malfunction you may choose to simply replace it Direct replacement requires a capacitor of the same value Two methods for checking capacitor function are Volt ohmmeter set on RX 10 000 ohms...

Страница 115: ...islodging of the cor rosive elements This cleaner is available from the Carrier Transicold Performance Parts Group PPG and can be ordered through any of the PPG locations Part Number NU4371 88 As a general safety precaution before using this product refer to and retain the Material Safety Data MSDS sheet This document can be found at www nucalgon com products coil_cleaners_tripower htm Prior to Cl...

Страница 116: ...sponding to the control logic and open or close relative to the demand Scrutinize the unit operation for a few minutes While in pulldown the unit will open the SMV to a maximum discharge pressure of 325 psig in high ambient conditions or as much as the cur rent setting and control logic will allow The current level should be high A lower discharge pressure will be seen in lower ambient temperature...

Страница 117: ...o the valve 2 Set the SMA 12 pulse per second PPS to one PPS and either open or close valve Each LED should light sequentially until all four are lit Any LED failing to light indicates an open on that leg which indicates a poor connection or an open coil Repair or replace as required to achieve proper operation 3 Restart unit set the step rate to 200 PPS on SMA 12 for the valve and close stepper v...

Страница 118: ...unctional check 1 Install a high pressure gauge at the discharge service valve 2 Install another high pressure gauge at the liquid line service valve 3 Run unit with 18 C 0 F set point 4 After five minutes read both gauges and subtract the liquid line pressure from the discharge pressure This is the actual differential pressure 5 Using the ambient temperature and the chart below determine the repl...

Страница 119: ...lding on any part of the container The guidelines and cautions provided herein should be followed when handling the Controller DataCORDER mod ule These precautions and procedures should be implemented when replacing the module when doing any arc welding on the unit or when service to the refrigeration unit requires handling and removal of the controller 1 Obtain a grounding wrist strap Carrier Tra...

Страница 120: ...witch WP contact is open or closed TP 4 This test point enables the user to check if the internal protector for the condenser fan motor IP CM is open or closed TP 5 This test point enables the user to check if the internal protectors for the evaporator fan motors IP EM1 or IP EM2 are open or closed TP 6 This test point enables the user to check if the controller water tank heater relay TQ is open ...

Страница 121: ...ill blink the message Pro FAIL or bad 12V Turn start stop switch OFF and remove the card 11 Turn unit OFF via start stop switch ST 12 Remove the programming card from the program ming software port and return the unit to normal operation by placing the start stop switch in the ON position 13 Turn power on and wait 15 seconds The status LED will flash quickly and there will be no display The con tr...

Страница 122: ...controller from both physical and electrostatic discharge dam age during storage and transit Installation 1 Install the module by reversing the removal steps 2 Torque values for mounting screws item 2 see Figure 7 27 are 0 23mkg 20 inch pounds Torque value for the connectors is 0 12mkg 10 inch pounds 7 22 5 Battery Replacement If required use tool 07 00418 00 7 23 TEMPERATURE SENSOR SERVICE Proced...

Страница 123: ...te wire cut to the shorter length See Figure 7 29 4 Prepare the cables by cutting wires to the opposite of the sensor See Figure 7 28 When installing a single wire color two wire sensor cut one wire of existing two wire cable 40 mm 1 1 2 inch shorter than the other wire When replacing two single sensors with a combination 3 wire sensor the black wires of the cables should be cut to the same length...

Страница 124: ...aled tightly against the wiring to prevent mois ture seepage 12 Slide large heat shrink tubing over both splices and shrink CAUTION Do not allow moisture to enter wire splice area as this may affect the sensor resistance 13 Reinstall sensor refer to Section 7 23 3 NOTE The P5 Pre Trip test must be run to inactivate probe alarms refer to Section 5 8 7 23 3 Sensor Re Installation Sensors RTS RRS To ...

Страница 125: ... air VPS alarm AL50 will occur if the sensor reading is not stable for five minutes or if the sensor is out side of its valid range shorted or open This can occur if the vent is loose or the panel is defective To confirm a defective panel assure that the wing nut is secure and then power cycle the unit The alarm should immediately go inactive Check the four minute stability requirement If the alar...

Страница 126: ...ill move to below the inner chart ring for the period when NO data was recorded by the DataCORDER If the power has been OFF for more than thirty days the recorder will NOT re synchronize the chart will not advance to present time the pen tip will move to the currently recorded temperature and the recorder will resume normal temperature recording 7 25 ELECTRONIC TEMPERATURE RECORDER The microproces...

Страница 127: ...r and other re quired information on the new chart and install under hold down tabs 6 Replace the chart nut loosely Rotate the chart until the correct day is aligned with the start arrow and hand tighten the chart nut 7 Gently lower the stylus arm until the pen tip item 4 comes in contact with the chart CAUTION Do not allow the recorder stylus to snap back down The stylus arm base is spring loaded...

Страница 128: ...tal using a wire brush emery paper or equivalent cleaning method Immediately following cleaning spray or brush on zinc rich primer After the primer has dried spray or brush on finish coat of paint to match original unit color 7 27 COMPOSITE CONTROL BOX REPAIRS 7 27 1 Introduction This procedure provides instructions for repair of the Carrier Transicold composite control box Damage to the control b...

Страница 129: ... will overlap the damaged area by at least 40mm 1 1 2 on all sides 2 Choose rivet locations and drill the rivet holes in the corresponding locations on the control box and patch piece 3 Apply the adhesive sealant around the damaged area to form a seal between the control box and the patch piece 4 Rivet the patch piece in place 5 File smooth any rough edges including rivets that may come into conta...

Страница 130: ...the bolts holes in the door hinge then through the control box at the location where the hinge insert pulled out c From inside the control box slide the backing plates over the bolts and secure in place with the washers and nuts Figure 7 33 Door Hinge Repair Table 7 2 Crack Chip and Hole Repair Kit ITEM DESCRIPTION PART NUMBER QTY 1 Crack Repair Kit Includes 76 00724 00SV 1 2 Fiberglass Patch Kit ...

Страница 131: ...ads 34 06231 05 10 6 Insert 12 7 x 9 91mm 5 x 390in 1 4 20 Threads 34 06231 06 10 7 Insert 9 53 x 6 76mm 375 x 266in 10 24 Threads 34 06231 07 10 8 Durabond Epoxy E20 HP Loctite 29314 02 00082 00 1 9 Static Mixing Tube Loctite 983440 07 00390 00 1 10 Instruction Sheet 98 02338 00 1 Table 7 4 Drill Information ITEM INSERT PART NUMBER DRILL SIZE AND DEPTH 1 34 06231 01 10 3mm x 17 8mm deep 404in x 7...

Страница 132: ...T 354 7 44 Figure 7 34 Insert Location 03 03 03 03 03 04 04 03 01 07 07 05 05 06 INSERT PART NUMBERS 34 06231 WHERE THE IS AS INDICATED ...

Страница 133: ...hield Open high voltage shield 3 Remove the circuit breaker panel with circuit break er from the control box 4 Locate wires CB21 CIA3 CB22 CIA5 and CB23 CIA7 that have been tied back in the wire harness Remove the protective heat shrink from the ends of the wires 5 Attach the three wires as addressed to the LOAD side of the circuit breaker 6 Refit the circuit breaker panel 7 Fit the new RMU into t...

Страница 134: ...ng the capacitor If the capacitor is suspected of malfunction you may choose to simply replace it Direct replacement requires a capacitor of the same value Two methods for checking capacitor function are 1 Volt ohmmeter set on RX 10 000 ohms Connect ohmmeter leads across the capacitor terminals and observe the meter needle If the capacitor is good the needle will make a rapid swing toward zero res...

Страница 135: ...3 10 24 23 1 9 2 6 1 4 20 75 6 3 8 5 5 16 18 132 11 14 9 3 8 16 240 20 27 1 7 16 14 372 31 42 1 2 13 516 43 58 3 9 16 12 684 57 77 3 5 8 11 1104 92 124 7 3 4 10 1488 124 168 1 Non Free Spinning Locknuts etc 1 4 20 82 5 6 9 9 3 5 16 18 145 2 12 1 16 4 3 8 16 264 22 0 29 8 7 16 14 409 2 34 1 46 2 1 2 13 567 6 47 3 64 1 9 16 12 752 4 62 7 85 5 8 11 1214 4 101 2 137 2 3 4 10 1636 8 136 4 184 9 ...

Страница 136: ...ing Journal Diameter 1 3735 34 8869 0020 0 0508 CONNECTING ROD 1 3768 34 9707 0020 0 0508 Piston Pin Bearing 0 6878 17 4701 0010 0 0254 CRANKPIN DIAMETER 1 3735 34 8869 0025 0 0635 Throw 1 072 27 2288 1 070 27 1780 THRUST WASHER Thickness 0 154 3 9116 0 1520 03 8608 0250 0 6350 CYLINDERS Bore 2 0010 50 8254 0020 0 0508 Piston Diameter 1 9860 50 4444 0020 0 0508 Piston Pin Diameter 0 6873 17 4574 0...

Страница 137: ... Crankcase 12 16 16 22 Side Shield 6 10 8 13 Oil Pump Drive Segment 12 16 16 22 Unloader Valve 5 16 18 16 20 2 27 Cover Plate Plate End Bearing Head Terminal Block Cap Screws 20 30 27 41 Suction Valve Discharge Valve 3 8 16 40 50 55 70 Pump End Bearing Head Bottom Plate Crankcase Compressor Foot Cylinder Head 7 16 14 55 60 76 83 Motor End Cover Crankcase 5 8 11 25 30 34 41 Crankshaft 5 8 18 60 75 ...

Страница 138: ... 20 0 0 20 0 20 70 21 71 1 490 2 5 00 4 90 6 21 3 7 25 5 0 26 0 26 75 24 78 7 542 6 5 53 5 43 4 20 4 6 31 7 0 32 0 32 80 27 86 7 597 8 6 10 5 98 2 19 5 6 36 6 0 39 0 39 85 29 95 3 657 1 6 70 6 57 0 18 6 5 44 8 0 46 0 45 90 32 104 3 719 1 7 33 7 19 2 17 7 6 52 4 0 53 0 52 95 35 114 0 786 0 8 01 7 86 4 16 8 6 59 3 0 60 0 59 100 38 124 2 856 4 8 73 8 56 6 14 9 7 66 9 0 68 0 67 105 41 135 0 930 8 9 49...

Страница 139: ...Note Curves to be used as troubleshooting guide only for model series 69NT40 with fresh air makeup vent closed unit powered on 460VAC 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 60 70 80 90 100 110 120 Ambient Air Temperature psig 48 9 43 3 37 8 32 2 26 7 21 1 15 6 Bar 0_F 17 8_C Box...

Страница 140: ... 28 14 0 14 28 41 0_F 17 8_C Box 48 9 43 3 37 8 32 2 26 7 21 1 15 6 35_F 1 7_C Box Compressor 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 Temperature At Stable Box Temperature 35_F 1 7_C Box 0_F 17 8_C Box 48 9 43 3 37 8 32 2 26 7 21 1 15 6 _C _F _C ...

Страница 141: ...PTION K 19 DTS DEFROST TEMPERATURE SENSOR D 18 DVM DUAL VOLTAGE MODULE OPTION D 1 DVR DUAL VOLTAGE RECEPTACLE OPTION F 2 E EVAPORATOR FAN CONTACTOR HIGH SPEED G 11 H 12 J 10 K 11 P 7 P 10 EM EVAPORATOR FAN MOTOR L 10 L 12 T 6 T 8 S EVAPORATOR FAN CONTACTOR LOW SPEED G 10 H 11 J 11 K 12 R 8 R 11 EF EVAPORATOR FAN CONTACTOR HIGH SPEED L 11 M 10 P 7 P 8 EM EVAPORATOR FAN MOTOR D 11 F 11 T 8 T 10 ES E...

Страница 142: ...T 354 8 2 Figure 8 2 Schematic Diagram Standard Unit Configuration BASED ON 62 66686 00 ...

Страница 143: ...8 3 T 354 Figure 8 3 Unit Wiring Diagram Standard Unit Configuration 1 of 2 BASED ON 62 66686 00 ...

Страница 144: ...T 354 8 4 Figure 8 4 Unit Wiring Diagram Standard Unit Configuration 2 of 2 BASED ON 62 66686 00 ...

Страница 145: ...8 5 T 354 Figure 8 5 Schematic Diagram Units with Normal Evap Fan Capability TransFresh Crankcase Heater BASED ON 62 66680 00 ...

Страница 146: ...T 354 8 6 Figure 8 6 Wiring Diagram Units with Normal Evap Fan Capability TransFresh Crankcase Heater 1 BASED ON 62 66680 00 ...

Страница 147: ...8 7 T 354 Figure 8 7 Wiring Diagram Units with Normal Evap Fan Capability TransFresh Crankcase Heater 2 BASED ON 62 66680 00 ...

Страница 148: ...T 354 8 8 ...

Страница 149: ...il Level 7 15 Compressor Re assembly 7 13 Compressor Re assembly Preparation 7 14 Compressor Section 3 3 Compressor Torque Values 7 49 Compressor Motor Assembly 3 7 Condenser Coil 2 2 7 17 Condenser Fan and Motor Assembly 7 17 Condenser Fan Motor 3 8 Condenser Grille 2 4 Condenser Pressure Control 4 6 Condenser Pressure Transducer 3 7 Configuration Identification 2 1 Configuration Software 4 11 Co...

Страница 150: ...sure Switch 3 7 7 16 Humidity Sensor 3 9 I Inserts 7 41 Inspection Before Starting 5 1 Installing the Components Compressor 7 15 Interrogator 2 2 Introduction 7 40 K Key Pad 4 2 L Labels 2 3 Logging Interval dCF03 4 12 Lower Air Fresh Air Make Up 2 3 M Maintenance of painted surfaces 7 40 Maintenance Precautions 1 1 Manifold Gauge Set 7 2 Modes of Operation 4 5 N No evaporator air flow or restrict...

Страница 151: ...ion 5 4 Stopping the Unit 5 4 Suction Modulation Valve SMV 7 28 T Temperature Control 4 5 Temperature Control Frozen Mode 4 8 Temperature Control Microprocessor System 4 1 Temperature Readout 2 1 Temperature Recorder 2 2 Temperature Sensor Service 7 34 Thermistor Format dCF04 4 12 Thermometer Port 2 2 Thermostatic Expansion Valve TXV 7 21 Thermostatic Expansion Valve malfunction 6 4 U Unit operate...

Страница 152: ......

Страница 153: ......

Страница 154: ...ng Industrial Systems a business unit of United Technologies Corporation Stock symbol UTX Carrier Transicold Division Carrier Corporation P O Box 4805 Syracuse NY 13221 USA www carrier transicold com Original Instructions ...

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