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T-318

CONDITION

POSSIBLE CAUSE

REMEDY/

REFERENCE

SECTION

5.11 EAUTOFRESH NOT OPERATING

Vent not opening

Unit not Configured for eAutoFresh Operation

No action

Cd43 in Off mode

4.4.2

Wiring disconnected

Check wiring

Stepper drive defective

6.26.2

Stepper motor defective

6.26.3

Unit operating in frozen mode

4.4.3

Gas Limit mode unavailable

Check CO

sensor

4.4.3

Wiring disconnected

Check wiring

Unit operating in frozen mode

4.4.3

Unable to calibrate CO

sensor

“Enter“ Key not held for sufficient length of time

4.4.3

outside of acceptable levels

Check

Check CO

sensor

4.4.3

Cd44 displays “

−−−−−

”

Unit not Configured for eAutoFresh Operation

No action

Check CO

sensor

4.4.3

5.12 THERMOSTATIC EXPANSION VALVE MALFUNCTION

Low suction pressure with high

superheat

Low refrigerant charge

6.7.1

External equalizer line plugged

Open

Wax, oil or dirt plugging valve or orifice ice formation at

valve seat

6.14

Superheat too high

6.7.1

Power assembly failure

6.14

Loss of element/bulb charge
Broken capillary
Foreign material in valve

High suction pressure with low

superheat

Superheat setting too low

6.14

External equalizer line plugged ice holding valve open

Open

Foreign material in valve

6.14

Liquid slugging in compressor

Pin and seat of expansion valve eroded or held open by

foreign material

6.14

Fluctuating suction pressure

Improper bulb location or installation
Low superheat setting

5.13 AUTOTRANSFORMER MALFUNCTION

Unit will not start

Circuit breaker (CB-1 or CB-2) tripped

Check

Autotransformer defective

6.22

Power source not turned ON

Check

460 VAC power plug is not inserted into the receptacle

4.2.2

5.14 WATER

−

COOLED CONDENSER OR WATER PRESSURE SWITCH

High discharge pressure

Dirty coil

6.12

Noncondensibles

Condenser fan starts and stops

Water pressure switch malfunction

Check

Water supply interruption

Check

Содержание 69NT40-541-300

Страница 1: ...Container Refrigeration T 318 Rev B OPERATION AND SERVICE for 69NT40 541 300 to 499 Container Refrigeration Units...

Страница 2: ......

Страница 3: ...OPERATION AND SERVICE MANUAL CONTAINER REFRIGERATION UNIT Models 69NT40 541 300 to 499 Carrier Corporation 2012 Printed in U S A July 2012...

Страница 4: ......

Страница 5: ...1 1 3 8 Plate Set 1 1 1 4 OPTION DESCRIPTIONS 1 1 1 4 1 Battery 1 1 1 4 2 Dehumidification 1 1 1 4 3 USDA 1 1 1 4 4 Interrogator 1 1 1 4 5 Remote Monitoring 1 2 1 4 6 Quest CCPC 1 2 1 4 7 Communicati...

Страница 6: ...iguration Software CnF Variables 3 3 3 2 2 Operational Software Cd Function Codes 3 4 3 3 MODES OF OPERATION 3 4 3 3 1 Perishable Mode Temperature Control 3 4 3 3 2 Perishable Pulldown 3 4 3 3 3 Peris...

Страница 7: ...3 8 11 USDA Cold Treatment 3 17 3 8 12 USDA Cold Treatment Procedure 3 17 3 8 13 DataCORDER Alarms 3 18 3 8 14 ISO Trip Header 3 18 3 9 CONTROLLER CONFIGURATION VARIABLES 3 19 3 10 CONTROLLER FUNCTION...

Страница 8: ...2 UNIT OPERATES LONG OR CONTINUOUSLY IN COOLING 5 1 5 3 UNIT RUNS BUT HAS INSUFFICIENT COOLING 5 2 5 4 UNIT WILL NOT HEAT OR HAS INSUFFICIENT HEATING 5 2 5 5 UNIT WILL NOT TERMINATE HEATING 5 2 5 6 U...

Страница 9: ...13 6 14 THERMOSTATIC EXPANSION VALVE 6 13 6 14 1 Checking Superheat 6 13 6 14 2 TXV Replacement 6 13 6 15 EVAPORATOR COIL HEATER ASSEMBLY 6 14 6 15 1 Evaporator Coil Replacement 6 14 6 15 2 Evaporator...

Страница 10: ...eAutoFresh SERVICE 6 25 6 26 1 Servicing the eAutoFresh Air Filter 6 25 6 26 2 Checking eAutoFresh Drive System 6 25 6 26 3 Servicing the eAutoFresh Drive System 6 26 6 27 ELECTRONIC PARTLOW TEMPERAT...

Страница 11: ...Up Air Flow Chart 4 2 Figure 6 1 Manifold Gauge Set 6 1 Figure 6 2 R 134a Manifold Gauge Hose Set 6 1 Figure 6 3 Service Valve 6 2 Figure 6 4 Refrigeration System Service Connections 6 3 Figure 6 5 Co...

Страница 12: ...sition Sensors VPS 7 7 Figure 7 7 SCHEMATIC DIAGRAM Emergency Bypass 7 8 Figure 7 8 SCHEMATIC DIAGRAM WIRING DIAGRAM Electronic Partlow Recorder 7 9 Figure 7 9 UNIT WIRING DIAGRAM Units with 3 Phase E...

Страница 13: ...container disconnect all wire harness connectors from the modules in both control boxes Do not remove wire harness from the modules unless you are grounded to the unit frame with a static safe wrist...

Страница 14: ...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 power to the unit is OFF and power pl...

Страница 15: ...equired to maintain temperature within required limits 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 o...

Страница 16: ...CAUTION Unplug all controller connectors before performing arc welding on any part of the container CAUTION The unit must be OFF whenever a program ming card is inserted or removed from the controlle...

Страница 17: ...dout The unit may be fitted with suction and discharge pressure gauges suction and discharge transducers or no pressure readout The transducer readings may be viewed on the controller display 1 3 4 Co...

Страница 18: ...nt of the frame for insertion of a thermometer to measure supply and or return air temperature If fitted the port s will require a cap and chain 1 4 13 Water Cooling The refrigeration system may be fi...

Страница 19: ...direct bolted grilles and hinged grilles 1 4 24 Emergency Bypass The unit may be equipped with switches to allow emergency bypass of the controller The EMERGENCY BYPASS switch functions to bypass the...

Страница 20: ......

Страница 21: ...respiration When transporting frozen cargo loads the vent will be closed The upper left access panel contains the vent slide and motor assembly It may be removed to allow entry into the evaporator sec...

Страница 22: ...m The evaporator components are accessible by removing the upper rear panel as shown in Figure 2 2 below 13 12 10 11 1 2 3 4 5 7 9 14 15 6 8 TXV Bulb under Insulation 16 1 Evaporator Fan Motor 1 2 Ret...

Страница 23: ...4 5 6 7 9 10 15 16 17 18 19 22 20 21 13 14 8 1 Autotransformer 2 Power Cables and Plug 3 Compressor Sight Glass View Port 4 Compressor Guard 5 Supply Temperature Sensor 6 Supply Recorder Sensor 7 Amb...

Страница 24: ...n through the bottom of the coil and discharges it 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 Condenser...

Страница 25: ...ater 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 Pressu...

Страница 26: ...nformation over the ships main power line Refer to the master system technical manual for further information 18 19 20 14 16 17 1 4 5 6 7 8 9 12 11 21 13 10 15 22 23 PA PB CH 2 3 1 Compressor Contacto...

Страница 27: ...fications f Refrigerant Charge Unit Configuration Charge Requirements R 134a Water Cooled Condenser 4 9kg 10 75 lbs Receiver 4kg 8 75 lbs NOTE When replacing components g h and i refer to installation...

Страница 28: ...rsepower High Speed 0 70 0 84 Nominal Horsepower Low Speed 0 09 0 11 Rotations Per Minute High Speed 2850rpm 3450rpm Rotations Per Minute Low Speed 1425 rpm 1750 rpm Voltage and Frequency 360 460VAC 1...

Страница 29: ...an unsafe condition occurs Table 2 1 Safety and Protective Devices UNSAFE CONDITION SAFETY DEVICE DEVICE SETTING Circuit Breaker CB 1 Manual Reset Trips at 29amps 460VAC Excessive current draw Circuit...

Страница 30: ...regardless of load conditions The thermostatic expansion valve TXV is a mechanical device that regulates the flow of liquid to the evaporator coil in order to maintain a relatively constant degree of...

Страница 31: ...ALVE WATER COOLED CONDENSER TXV BULB EVAPORATOR CONDENSER PRESSURE TRANSDUCER SERVICE VALVE DISCHARGE PRESSURE REGULATING VALVE EVAPORATOR CONDENSER SERVICE VALVE SERVICE VALVE Circuit with Receiver Q...

Страница 32: ......

Страница 33: ...DataCORDER software is provided in paragraph 3 8 The keypad and display module serve to provide user access and readouts for both of the controller functions temperature control and DataCORDER The fun...

Страница 34: ...r test interruption Arrow Down Change or scroll a selection down ward Pre trip repeat backward RETURN SUPPLY Displays non controlling probe tem perature momentary display Celsius Fahrenheit Displays a...

Страница 35: ...set point and supply or return air temperatures c Provide ability to read and if applicable modify the configuration software variables operating software function codes and alarm code indications d...

Страница 36: ...ishable mode is active with set points above 10 C 14 F When CnF26 is set to 5 C perishable mode is active with set points above 5 C 23 F 3 3 2 Perishable Pulldown When the system is in Perishable Pull...

Страница 37: ...r termination thermostat HTT is closed If the above conditions remain true for at least one hour the evaporator fans will switch from high speed to low speed Evaporator fan speed will then switch ever...

Страница 38: ...is set to Nor 2 Dehumidification code Cd33 is set to Off 3 The user changes the set point to one that is in the frozen range When bulb mode is disabled by any of the above the evaporator fan operation...

Страница 39: ...rises to 0 2 C 0 4 F below set point contact TH opens to de energize the heaters The HEAT light is also de energized The evaporator fans continue to run to circulate air throughout the container c Th...

Страница 40: ...y above set point temperature before the compressor can restart 3 3 14 Frozen Heat Mode If the temperature drops 10 C below set point the unit will transition to the frozen heating mode The evapo rato...

Страница 41: ...flow has been restored and the unit is ready to control tem perature efficiently After de icing and depending on unit configuration a Defrost Probe Check and or Snap Freeze may occur During Defrost P...

Страница 42: ...mpressor run time have been recorded b In Frozen Mode Defrost will be initiated if Delta T increases to greater than 16 C DTT is closed and 90 minutes of compressor run time have been re corded c In P...

Страница 43: ...efrost in terval is determined using the Automatic Defrost Inter val Determination logic In either case PuLS remains displayed in this function select code After a new Defrost Interval is selected the...

Страница 44: ...to try to keep the compressor on line An example is alarm code LO low main voltage when a voltage drop of over 25 occurs an indication is given on the display but the unit will continue to run An ala...

Страница 45: ...ature control software generated data and events as follows Container ID Change Software Upgrades Alarm Activity Battery Low Battery Pack Data Retrieval Defrost Start and End Dehumidification Start an...

Страница 46: ...te inputs See Note 12 Ambient sensor 13 Compressor suction sensor 14 Compressor discharge sensor 15 Return temperature sensor 16 Supply temperature sensor 17 Defrost temperature sensor 18 Discharge pr...

Страница 47: ...52 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 ________________...

Страница 48: ...commu nication when an interrogation cable is plugged into an interrogation receptacle 3 External DC battery pack power A 12 volt battery pack may also be plugged into the back of the interrogation ca...

Страница 49: ...These units have the ability to maintain supply air temperature within one quarter degree Celsius of setpoint and record minute changes in product temperature within the DataCORDER memory thus meeting...

Страница 50: ...is displayed to indicate the end of the alarm list if any alarms are active CLEAr is displayed if all the alarms in the list are inactive e If no alarms are active the Alarm Queue may be cleared The...

Страница 51: ...st CnF23 Defrost Interval Timer Save Option noSAv 0 no_sav 1 sav CnF24 Enable Long Pre Trip Test Series Auto1 0 auto1 1 auto2 3 aAuto3 CnF25 Enable Pre Trip Data Recording rSLtS 0 rSLts 1 dAtA CnF26 H...

Страница 52: ...tate Displays the state of the solenoid quench valve open or closed Cd03 Suction Solenoid Valve State Displays the state of the suction solenoid valve open or closed Cd04 Cd05 Cd06 Line Current Phase...

Страница 53: ...btest will again be displayed and the user may continue to scroll through the various codes Cd20 Config Model This code indicates the dash number of the model for which the Controller is con figured i...

Страница 54: ...4 determines whether the operator will be allowed to choose PuLS as a defrost interval option For units operating with PuLS se lected defrost interval is determined by the unit temperature setpoint an...

Страница 55: ...limit can be lowered however capacity is also re duced The five values for 460VAC operation are 15 17 19 21 Factory Default 23 Cd33 Humidity Setpoint This is the value in percent to which the system w...

Страница 56: ...red with a DataCORDER Cd38 will display If the DataCORDER suffers a failure AL55 Cd38 will display the supply recorder sensor reading Cd39 Secondary Return Temperature Sensor Code Cd39 will display th...

Страница 57: ...de will display ChECK if a CO2 sensor has not been auto detec ted at the most recent power up and was detected at a previous power up If ChECK is displayed and the ENTER key is pressed SEnSr is displa...

Страница 58: ...goes to 0 RH internally but will then initialize to 95 RH when dehumidification mode leaves OFF Evaporator speed select goes to Alt for units without PWM Compressor Control Cnf57 Out Evaporator speed...

Страница 59: ...timer increments of 1 day _ 1hr de fault 0_0 Pressing ENTER key will take the interface down into a hierarchy of parameter selection menus in the order listed above Pressing ENTER key in any of the p...

Страница 60: ...never any auto Pretrip test or Trip Start is initiated ASC mode goes to OFF Display Only Functions Cd55 through Cd58 are display only functions Cd55 Discharge Superheat Cd55 will display the discharge...

Страница 61: ...l faults Yes Yes Yes Yes No Yes No Yes No No No No Correct Refrigerant issue Unit OK Yes No Refer to CONNECT POWER Section 4 2 Refer to CONNECT POWER Section 4 2 Refer to CONTROLLER SOFTWARE Section 3...

Страница 62: ...off when voltage is within operating range AL11 Evaporator fan 1 IP Alarm 11 is triggered when configured for single evap operation and MC6 sensed high Evaporator Fan 1 The unit will suspend probe ch...

Страница 63: ...Shut down unit disconnect power check resistance of compressor windings at contactor T1 T2 T2 T3 Monitor unit if alarm remains active or is repetitive replace the compressor at the next available oppo...

Страница 64: ...r Service Section 6 23 AL52 EEPROM Alarm List Full Alarm list queue is full Active Alarms Repair any alarms in the queue that are active Indicated by AA Clear alarms refer to CONTROLLER ALARMS Table 3...

Страница 65: ...he DTS if defective refer to Sensor Replacement Section 6 24 2 AL61 Heater Current Draw Fault Improper current draw during heat or defrost mode Heater s While in heat or defrost mode check for proper...

Страница 66: ...e Con denser Pressure Control if Configured AL69 Suction Temp Sensor CPSS Suction Temperature Sensor CPSS out of range Suction Temperature Sensor CPSS Test the CPSS refer to TEMPERATURE SENSOR Service...

Страница 67: ...e controller program has stopped executing ERR 3 N A N A ERR 4 N A N A ERR 5 A D failure The controller s Analog to Digital A D converter has failed ERR 6 IO Board failure Internal program update fail...

Страница 68: ...es if change in current draw is in the range specified P2 Tests Condenser Fan Current Draw Condenser fan is turned on then off Current draw must fall within specified range No other system components...

Страница 69: ...made between the return and supply probes Test passes if temperature comparison falls within the specified range NOTE If this test fails P5 0 and FAIL will be displayed If both Probe tests this test a...

Страница 70: ...rom 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 SMV is opened to 50 with c...

Страница 71: ...or CPDS Discharge pressure transducer DPT Condenser pressure transducer CPT Return temperature sensor RTS Ambient sensor AMBS Test will also fail if HPS fails to open within 15 minutes Discharge tempe...

Страница 72: ...ting at the beginning of P8 2 During P8 2 the left display will read P8 2 and the right display will show the supply air temperature When the test is completed the average control temperature error wi...

Страница 73: ...The unit will then have a maximum of three hours to pull the container temperature down to the 17 7 C set point If this occurs within the three hour time limit the test passes If pulldown is not comp...

Страница 74: ...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 chara...

Страница 75: ...6 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 lim...

Страница 76: ...ints An alarm number AL78 to AL85 is assigned to each config ured point When an alarm occurs the DataCORDER must be interrogated to identify the data point assigned When a humidity sensor is installed...

Страница 77: ...circuit breaker CB 1 in the control box are in position O OFF 2 Plug the 460VAC yellow cable into a de energized 380 460VAC 3 phase power source Energize the power source Place circuit breaker CB 1 in...

Страница 78: ...inion drive of the VPS is not disrupted when adjusting the air makeup vent NOTE Do not loosen the hex nut beyond its stop Doing so may cause inaccurate display readings and errors in DataCORDER report...

Страница 79: ...nd the vent will fully close This will be followed by two sequences of opening to 100 and returning to the closed position No other eAutoFresh mode of operation will be available until the two cycles...

Страница 80: ...gas concentrations are satisfied Once all limits are satisfied the vent will return to the closed position If conditions are not met with the slide open 100 for 90 minutes Al29 will be activated To o...

Страница 81: ...y electrical power source 4 7 1 Starting the Unit a With power properly applied the fresh air damper set and if required the water cooled condenser con nected refer to paragraphs 4 2 4 3 4 5 place the...

Страница 82: ...starting tests 3 Pre trip may also be initiated via communications The operation is the same as for the keypad initiation described below except that should a test fail the Pre trip mode will automat...

Страница 83: ...ture probes If a significant difference in temperature read ings is detected between probes a defrost cycle fol lowed by another probe check may be initiated Any continued disagreement between probes...

Страница 84: ...longer required re install the wire tie at the switch mounting 4 11 2 Emergency Defrost Operation To place the unit in the emergency defrost mode of operation cut the wire tie installed at the switch...

Страница 85: ...5 7 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 Compressor seized 6 8 5 2 UNIT OPERAT...

Страница 86: ...ntactor or coil defective Replace Evaporator fan motor s defective or rotating backwards 6 15 6 16 Evaporator fan motor contactor defective Replace Controller malfunction 5 9 Defective wiring Replace...

Страница 87: ...alfunction 6 19 Suction and discharge pressures tend to equalize when unit is operating Heat exchanger defective Replace Compressor valves defective 6 8 Compressor cycling stopped Check 5 8 ABNORMAL N...

Страница 88: ...line plugged Open Wax oil or dirt plugging valve or orifice ice formation at valve seat 6 14 Superheat too high 6 7 1 Power assembly failure 6 14 Loss of element bulb charge Broken capillary Foreign m...

Страница 89: ...ure Valve 4 is frontseated the discharge high pressure can be checked at the Discharge Pressure Gauge 3 When both valves are backseated all the way out high pressure vapor will flow into the low side...

Страница 90: ...b blue clockwise which will open the low side of the system to the gauge set g To read system pressures slightly midseat the high side and suction service valves CAUTION To prevent trapping liquid ref...

Страница 91: ...r to paragraph 6 5 b Essential tools to properly evacuate and dehydrate any system include a vacuum pump 8m hr 5cfm volume displacement and an electronic vacuum gauge The pump is available from Carrie...

Страница 92: ...e layer use a refrigerant recovery system whenever remov ing refrigerant When working with refrigerants you must comply with all local government envi ronmental laws In the U S refer to EPA section 60...

Страница 93: ...te Refer to paragraph 2 2 for weight of compressor 1 2 3 4 5 6 7 8 10 11 12 13 14 15 9 16 1 Discharge Valve Flange 2 High Side Pressure Connection 3 Low Side Pressure Connection 4 Suction Valve Flange...

Страница 94: ...ded View of Valve Plate 1 2 3 4 5 1 Oil Pressure Relief Valve 2 Oil Return Check Valve 3 Oil Suction Tube 4 Cap screw 5 Connecting Rod and Cap Assembly Figure 6 7 Bottom Plate Removed b Loosen cylinde...

Страница 95: ...ing cap screw Do not allow the cover to drop from its own weight To prevent striking the winding remove the cover horizontally and in line with the motor axis 1 2 3 4 5 6 7 1 Strainer Screws and Washe...

Страница 96: ...Any valve wear will cause leakage 1 3 2 1 Suction Valve 2 Suction Valve Positioning Spring 3 Valve Plate Dowel Pin Figure 6 13 Suction Valve and Positioning Springs Suction valves are positioned by do...

Страница 97: ...minutes of operation check the refrigerant system for flood back of liquid refrigerant Correct this situation before performing step 3 3 Turn unit off to check the oil level The correct oil level rang...

Страница 98: ...cated on the center head and is removed by turning counterclockwise see Figure 2 3 c Install a new high pressure switch after verifying switch settings refer to paragraph 6 9 1 d Evacuate and dehydrat...

Страница 99: ...off and disconnect main power b Disconnect water pressure switch tubing by loosen ing the two flare nuts Install one quarter inch flare cap on water cooled condenser inlet tube replaces tubing flare n...

Страница 100: ...7 The time required for de scaling will vary depending upon the extent of the deposits One way to deter mine when de scaling has been completed is to titrate the solution periodically using titrating...

Страница 101: ...XV Bulb Clamp 4 TXV Bulb 5 Foam Insulation Figure 6 18 Thermostatic Expansion Valve Bulb 6 14 1 Checking Superheat NOTE Proper superheat measurement should be completed at 18 C 0 F container box tem p...

Страница 102: ...qualizer connection to the equalizer line 4 Reinstall the cushion clamp 5 Thread the thermal bulb through the opening above the evaporator coil see Figure 2 2 and slide it un der the strap and secure...

Страница 103: ...lamp bolts that are located on the underside of the fan deck at the sides of the of the fan assembly Slide the loosened clamps back from the fan assembly c Slide the fan assembly out from the unit and...

Страница 104: ...nce 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 breakdown under load conditions The important adva...

Страница 105: ...hat the control ler and drive module are attempting to close the valve and may serve as a quick indication that the drive module is in working order e During the first few minutes of unit operation co...

Страница 106: ...the following table d If the timer is not operating follow the above proce dure to display the timer Use an ARROW key to scroll to the desired time interval and press ENTER to start the timer e The ab...

Страница 107: ...nt be made so that the available capacity is slightly larger than the load The unit will cycle OFF and ON h Once repair parts become available repair as re quired 6 21 DPRV CHECK PROCEDURE The dischar...

Страница 108: ...he strap should be worn during any service work on the controller even when it is placed on the mat 6 23 2 Controller Troubleshooting A group of test points TP see Figure 6 25 are provided on the cont...

Страница 109: ...CIA card contain ing the following example files into the program ming software port see Figure 6 25 menuDDMM ml3 This file allows the user to select the file program to upload into the controller cfY...

Страница 110: ...rvice of the return recorder return temperature supply recorder supply temperature ambient defrost temperature compressor discharge and compressor suction temperature sensors are provided in the follo...

Страница 111: ...rink tubing one over each wire before adding crimp fittings as shown in Figure 6 27 g If required slide the cap and grommet assembly onto the replacement sensor If the replacement sensor is of a large...

Страница 112: ...minute stability requirement If the alarm reoccurs after the four minutes and the panel was known to have been stable then the panel should be replaced If the alarm immediately reappears as active th...

Страница 113: ...rier Transicold P N 07 00375 00 is a battery operated stepper drive which will open and close the auto slide which allows a more thorough check of the motor Checking the Slide Motor a Turn unit OFF b...

Страница 114: ...31 Jumper Assembly There should be approximately five volts DC on sockets C and D S1 and S2 when measured as above If not the connections or controller is faulty If any of these pins are not consiste...

Страница 115: ...10 11 5 12 4 3 2 1 1 Connector 2 Tie Wrap 3 eAutoFresh Panel 4 Cup Motor 5 Rail Top 6 Plate Gasket 7 Grille 8 Grill Screws 9 Rail Screws 10 Plate Slide 11 Rail Bottom 12 Motor Cup Screws Figure 6 32 M...

Страница 116: ...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 ti...

Страница 117: ...2 Change Chart Button 3 Recorder Box 4 Pen Tip 5 Stylus Arm 6 Connector 7 Calibration Button Located underneath 8 Mounting Screws 10 24 x 7 16 inches long 9 Hold Down Tab 10 Chart Retaining Nut Figur...

Страница 118: ...29 C 20 F chart ring the recorder is in calibration proceed to step c If the tip of the pen is NOT on the 29 C 20 F chart ring the operator must loosen the two screws on the bottom of the stylus arm t...

Страница 119: ...ier Transicold part number 76 50084 00 see Table 6 4 There are 6 different inserts used in the control box Refer to Figure 6 35 for the locations of the various inserts NOTE An epoxy application gun i...

Страница 120: ...3mm 400 x 375in 10 24 Threads 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 Loct...

Страница 121: ...6 33 T 318 03 03 03 03 03 04 04 03 01 07 07 05 05 06 INSERT PART NUMBERS 34 06231 WHERE THE IS AS INDICATED Figure 6 35 Insert Location...

Страница 122: ...r factor corrector capacitors are of the permanent split capacitor type There are a total of three capacitors with discharge resistors enclosed in a single case a When to check for a defective capacit...

Страница 123: ...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 2in lbs 9 6in lbs 20in lbs 23in lbs 75in lbs 11ft lbs 20ft lbs 31ft lbs 43ft lbs 57ft lbs 92ft lbs 124ft lbs 6 1 0 2 25 2...

Страница 124: ...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...

Страница 125: ...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 1...

Страница 126: ...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...

Страница 127: ...ion 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 Temperatur...

Страница 128: ......

Страница 129: ...diagram for units with normal evaporator fan operation capability Figure 7 5 provides the schematic diagram for units with single evaporator fan operation capability Figure 7 6 supplements the other s...

Страница 130: ...R HEATER CONTACTOR M 15 P 3 HS HUMIDITY SENSOR G 23 HTT HEAT TERMINATION THERMOSTAT H 15 LEGEND SYMBOL DESCRIPTION IC INTERROGATOR CONNECTOR OPTION T 23 IP INTERNAL PROTECTOR E 10 E 13 G 13 H 12 IRL I...

Страница 131: ...7 3 T 318 Based on Drawing 62 66058 Figure 7 2 SCHEMATIC DIAGRAM Units with 3 Phase Evaporator Motors...

Страница 132: ...FH FUSE HUMIDITY Figure 7 6 FT FUSE TransFRESH Figure 7 6 HM HOUR METER H 6 LEGEND SYMBOL DESCRIPTION Normal Schematic Location Single Evap Fan Schematic Location HPS HIGH PRESSURE SWITCH J 7 H 8 HR H...

Страница 133: ...7 5 T 318 6 Heater FCCH FCCH Figure 7 4 SCHEMATIC DIAGRAM Units with Normal Evaporator Fan Capability...

Страница 134: ...7 6 T 318 FCCH FCCH Figure 7 5 SCHEMATIC DIAGRAM Units with Single Evaporator Fan Capability...

Страница 135: ...7 T 318 TO KB7 TransFRESH Controller ST SEE FIGURE 7 2 or 7 3 TR SEE FIGURE 7 2 or 7 3 Lower Air Exchange VPS Upper Air Exchange VPS Figure 7 6 SCHEMATIC DIAGRAM TransFRESH and Vent Position Sensors V...

Страница 136: ...7 8 T 318 To ST10 To TRX2 To QC1 To QC1 To QC1 To MC6 CONTROLLER Figure 7 7 SCHEMATIC DIAGRAM Emergency Bypass...

Страница 137: ...9 TO MA11 SEE Figure 7 4 ARE REMOVED IN THIS APPLICATION CR8 CR2 CR3 CR4 CR6 CR5 NOTE STANDARD CONTROLLER JUMPERS MA3 TO MA7 AND MA9 TO MA11 SEE Figure 7 4 ARE REMOVED IN THIS APPLICATION Figure 7 8 S...

Страница 138: ...7 10 T 318 Based on Drawing 62 66058 Figure 7 9 UNIT WIRING DIAGRAM Units with 3 Phase Evaporator Motors Sheet 1 of 2...

Страница 139: ...7 11 T 318 Based on Drawing 62 66058 Figure 7 10 UNIT WIRING DIAGRAM Units with 3 Phase Evaporator Motors Sheet 2 of 2...

Страница 140: ...BOX WIRES TO TR X2 DF TFC P TFC BMA2 CIB1 GRD CHA2 RMA KA12 EFA2 HRA2 CR8 CFS 2 UPPER VPS LOWER VPS ECG1 EB8 11 12 31 32 FCCH FCCH CFL1 CFL3 CH31 CH11 FCCH FCCH Figure 7 10 UNIT WIRING DIAGRAM Units...

Страница 141: ...ESTINATIONS ARE SHOWN IN BRACKETS XXX FOR UNITS WITHOUT ELECTRONIC CR ONLY FOR CR WIRING SEE Figure 7 8 CFS KA6 CFA1 KB7 KB7 NOTE RM MAY BE OUTSIDE BOX UVPS1 UVPS2 HPRB UVPS3 TFC1 RMC RMD RMB KA1 SMVD...

Страница 142: ...S ICF MAY BE IN CONTROL BOX ECG1 EB8 WIRES TO TR X2 DF TFC P TFC BMA2 CIB1 GRD CHA2 RMA KA12 EFA2 HRA2 CR8 FCCH FCCH 11 12 31 32 FCCH FCCH CFL1 CFL3 CH31 CH11 Figure 7 11 UNIT WIRING DIAGRAM Units wit...

Страница 143: ...S KA6 CFA1 KB7 NOTE RM MAY BE OUTSIDE BOX KA1 KB7 SMVD BM2B SMVB BM2A SMVA BM1A SMVC BM1B UVPS1 UVPS2 HPRB TFC1 RMC RMD RMB Figure 7 11 UNIT WIRING DIAGRAM Units with Single Evaporator Fan Capability...

Страница 144: ......

Страница 145: ...essor 1 1 6 5 Compressor Crankcase Heater 2 9 Compressor Disassembly 6 6 Compressor Motor 2 8 Compressor Section 2 3 Compressor Motor Assembly 2 7 Condenser Coil 1 1 6 10 CONDENSER FAN 6 10 Condenser...

Страница 146: ...Start Up Procedure 4 3 Emergency Bypass 1 3 4 8 Emergency Defrost 4 8 Equalizing Tube 6 8 Evacuation 6 3 Evaporator 1 1 6 14 Evaporator Coil 6 14 Evaporator Coil Heater 2 9 Evaporator Fan 3 11 6 15 Ev...

Страница 147: ...d Gauge Hose Set 6 1 MICROPROCESSOR MALFUNCTION 5 3 Microprocessor System 3 1 MODES OF OPERATION 3 4 MOTOR ASSEMBLY 6 10 Motor Current 6 38 Motor End Cover 6 7 O Oil Level 6 9 OPERATING PRECAUTIONS Sa...

Страница 148: ...2 Sensor Types 6 23 Sensors RTS RRS 6 24 Sensors STS SRS 6 24 Service Valves 6 2 Sight Glass Moisture Indicator 2 7 silicone sealant 6 31 SMV Emergency Repair Procedure 6 19 START UP INSPECTION 4 5 St...

Страница 149: ...14 Valve Override Controls 6 18 Valve Plate 6 6 Vent Position Sensor 4 3 VENT POSITION SENSOR VPS 6 24 W Water Cooling 1 2 Water Pressure Switch 2 7 WATER COOLED CONDENSER CLEANING 6 11 Water Cooled C...

Страница 150: ......

Страница 151: ......

Страница 152: ...A member of the United Technologies Corporation family Stock symbol UTX Carrier Transicold Division Carrier Corporation P O Box 4805 Syracuse N Y 13221 U S A www carrier transicold com...

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Содержание 69NT40-541-300

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Carrier 69NT40-541-300, Операция и обслуживание, Страница: 88 / 152

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Содержание 69NT40-541-300

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