Carrier X4 7700 Operator's Manual
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Carrier X4 7700 Operator's Manual

Trailer and rail refrigeration units
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Operator's Manual
TM
X4 7700
Trailer and Rail Refrigeration Units
62-12250 Rev A

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Summary of Contents for Carrier X4 7700

  • Page 1 Operator’s Manual X4 7700 Trailer and Rail Refrigeration Units 62-12250 Rev A...
  • Page 3 Operator’s Manual X4 7700 Trailer and Rail Refrigeration Units © 2023 Carrier Corporation Printed in U. S. A. September 2023 ●...
  • Page 4 Manual Revision History 62-12250 Date Reason for Release 4/11/2023 New product – initial release Updated Section 29 - Emergency 9/21/2023 Road Service...

  • Page 5: Table Of Contents

    TABLE OF CONTENTS INTRODUCTION ..................1 UNIT IDENTIFICATION ................. 2 SAFETY ....................3 DISPLAY ....................5 STARTING UNIT ..................7 INSPECT MODE ..................9 INTELLISET ..................11 OPERATOR MESSAGES ..............13 PRETRIP ....................15 10. CHANGING SETPOINT ............... 18 11. START/STOP OR CONTINUOUS OPERATION ......... 19 12.

  • Page 7: Introduction

    Introduction This guide has been prepared for the operator of a Carrier Transicold X4 7700 refrigeration unit with Control System. It contains basic instructions for the daily operation of the refrigeration unit as well as safety information, troubleshooting tips and other information that will help you to deliver the load in the best possible condition.

  • Page 8: Unit Identification

    If a concern arises, please refer to the information on this decal, and make a note of the model and serial number before calling for assistance. This information will be needed when you contact an authorized Carrier Transicold Dealer so that they may properly assist you.

  • Page 9: Safety

    All unit inspection/ser- vicing by properly trained personnel only. This Carrier Transicold refrigeration unit has been designed with the safety of the operator in mind. During normal operation, all moving parts are fully enclosed to help prevent injury. During all pre-trip inspections, daily inspections and problem troubleshooting, you may be exposed to moving parts.
  • Page 10 Battery This unit may be equipped with a lead-acid type battery. The battery normally vents small amounts of flammable hydrogen gas. Do not smoke when checking the battery. A battery explosion can cause serious physical harm and/or blindness. 62-12250...

  • Page 11: Display

    Display 1. MENU Key 2. DEFROST Key 3. START/STOP - CONTINUOUS Key 4. Alarm LED 5. ALARM Key 6. “=” (Select) Key 7. Arrow Keys, ▲ and ▼ 8. START/RUN-OFF Switch 9. Soft Keys 10. USB Interface Port (Cover) 11. Display 62-12250...
  • Page 12 Display Screens Default Screen Status Bar START/STOP DIESEL COOL Setpoint .3 34 Temperature BOX TEMPERATURE SETPOINT M e s s a g e STATUS OK Center Typical Menu Screen START/STOP DIESEL COOL Viewing Menu Soft Key O p e r a t o r M e s s a g e Selections Panel...

  • Page 13: Starting Unit

    STATUS OK 1. Place the START/RUN-OFF switch in the START/RUN position. 2. The system will display the Carrier Transicold logo, display the default screen, present language selection and the hour meter readings (if configured to do so) along with a test flash of the alarm light. The system will then perform a start sequence, energize the buzzer, and then start the unit automatically.
  • Page 14 3. If there is an alarm present, the alarm message will be displayed in the MessageCenter and the alarm LED will flash for five seconds. If one or more shutdown alarms are present, the alarm(s) must be cleared before the unit will start. 4.

  • Page 15: Inspect Mode

    Inspect Mode Inspect mode provides an additional layer of safety for operators and technicians. Inspect mode should be used during all pretrip inspections of the unit. Inspect mode is a user activated feature that forces the unit to shutdown and remain in shutdown regardless of operating state.
  • Page 16 Exit Inspect Mode 1. While the unit is in Inspect mode, the EXIT soft key will be available, all other keys and functions will be locked out. 2. Press the EXIT soft key to disable Inspect mode, the unit will resume standard operation.

  • Page 17: Intelliset

    IntelliSet™ Products carried or stored in a refrigerated compartment require a multitude of refrigerant unit settings that must be checked, and if required, reset each time a new product is loaded. The APX control system offers the settings necessary to meet these requirements. IntelliSet is a feature that allows pre-selection and naming of the necessary settings for up to 40 different products.
  • Page 18 START/STOP DIESEL COOL Viewing Menu Soft Key Selections Press Menu Key to Scroll INTELLISET PRETRIP HOUR UNIT METERS DATA 3. The IntelliSet screen will display with a 15-second timeout and five of the available IntelliSets listed. There may be more than five IntelliSets available.

  • Page 19: Operator Messages

    Operator Messages START/STOP DIESEL COOL .3 34 BOX TEMPERATURE SETPOINT STATUS OK “STATUS OK” - This message or other user-defined message will be displayed in the MessageCenter at most times. If a problem develops or the operation has been changed, one of the following messages may be displayed: CHECK AT NEXT SERVICE INTERVAL: Displayed when there is an active non-shutdown alarm present (the alarm condition is present...
  • Page 20 TECHNICIAN RESET REQUIRED: Displayed if certain alarms or a combination of alarms have been activated a defined number of times within a set amount of time. The unit must be brought to a Carrier Transicold Dealer for service. BATTERY VOLTAGE TOO LOW: Displayed when the unit battery voltage is too low to allow the unit to start and run.

  • Page 21: Pretrip

    Pretrip Pretrip is a set of tests run by the system to check unit operation. It is recommended that a Pretrip is run prior to loading the refrigerated compartment. It will indicate a failure if one is detected. START/STOP DIESEL COOL Viewing Menu Soft Key Selections...
  • Page 22 4. If START PRETRIP is selected, Pretrip will begin and the PRETRIP STATUS screen will be displayed. Immediately following Pretrip OR if “View Results of Last Pretrip” is selected the PRETRIP SUMMARY SCREEN will be displayed. PRETRIP STATUS PRETRIP TYPE: COOL - AMBIENT 75 TEST 2 OF 10 - CURRENT TEST CURRENT DRAW - 2 AMPS UNIT...
  • Page 23 PRETRIP SUMMARY PRETRIP TYPE: COOL - AMBIENT 75 START TIME - (DATE) (TIME) END TIME - (DATE) (TIME) PRETRIP COMPLETE (OR FAIL NOTICE) VIEW TEST BACK EXIT ALARMS RESULTS 8. Press the VIEW ALARMS soft key to move to the Alarm screen (refer to Alarm List) and review any alarms activated during the test.

  • Page 24: Changing Setpoint

    10. Changing Setpoint START/STOP DIESEL COOL .3 34 BOX TEMPERATURE SETPOINT STATUS OK 1. With the system powered up (START/RUN-OFF switch in the START/ RUN position) and the default screen displayed (press the BACK or EXIT soft key if required), press the ▲ or ▼ key to bring the displayed setpoint to the desired value.

  • Page 25: Start/Stop Or Continuous Operation

    11. Start-Stop or Continuous Operation Start-Stop is provided to reduce fuel consumption. This feature allows full automatic control of the unit starting and stopping by monitoring compartment temperature, battery charge condition and engine coolant temperature. The main function of Start-Stop Operation is to turn off the refrigeration system near setpoint to provide an efficient temperature control system and to initiate a restart sequence after certain conditions are met.
  • Page 26 Whenever the unit starts in Start-Stop, it will run until: • The selected minimum run time has expired. • The compartment temperature is at setpoint. • The battery is fully charged (as indicated in the MessageCenter by “OK” after the voltage value) AND the charging amps are less than the Configuration setting.

  • Page 27: Data Recorder / Trip Start

    12. Data Recorder / Trip Start The Data Recorder records data while the START/RUN - OFF switch is in the START/RUN position. START/STOP DIESEL COOL Viewing Menu Soft Key Selections Press Menu Key to Scroll LANGUAGE DATA EXIT RECORDER 1. With the system powered up (START/RUN-OFF switch in the START/ RUN position) press the MENU key until DATA RECORDER is displayed.
  • Page 28 To Enter a Trip Start, with MARK TRIP START highlighted, press the “=” key. If trip start is acknowledged by the data recorder, “TRIP START ENTERED” will be displayed for 15 seconds and then the display will return to the Data Recorder screen.
  • Page 29 13. Manual Defrost START/STOP DIESEL DEFROST DEFROST SETPOINT DEFROST CYCLE STARTED 1. With the system powered up (START/RUN-OFF switch in the START/ RUN position) press the MANUAL DEFROST key. 2. If the conditions for defrost are met, the status bar and the Box Temperature display will change to the word “DEFROST”.
  • Page 30 Defrost may also be initiated automatically at preset intervals by the system defrost timer or by the defrost air switch. The defrost mode terminates when the defrost termination temperature sensor (DTT) and the supply air temperature sensor (SAT) both rise higher than 55°F (12.8°C).

  • Page 31: Language Selection

    14. Language Selection START/STOP DIESEL COOL Viewing Menu Soft Key Selections Press Menu Key to Scroll LANGUAGE DATA EXIT RECORDER NOTE Language selection may not be available on early software revisions. 1. With the system powered up (START/RUN-OFF switch in the START/ RUN position) press the MENU key until LANGUAGE is displayed.

  • Page 32: Unit Data

    15. Unit Data START/STOP DIESEL COOL Viewing Menu Soft Key Selections Press Menu Key to Scroll INTELLISET PRETRIP HOUR UNIT METERS DATA 1. With the system powered up (START/RUN-OFF switch in the START/ RUN position), press the MENU key until UNIT DATA is displayed. 2.
  • Page 33 4. The selected sub-menu data will be displayed. For example, the REFRIGERATION SENSORS display may include: REFRIGERATION SENSORS (1 OF 5) AMBIENT AIR TEMP: 75.0 RETURN AIR TEMP: 38.0 SUPPLY AIR TEMP: 37.0 DELTA T: -1.0 DEFROST TERM TEMP: 39.0 BACK EXIT LOCK...
  • Page 34 DATA DEFINITION FUEL LEVEL % of fuel in tank. (This is only displayed when an optional fuel level sensor is installed and configured ON) BATTERY Battery voltage AMP DRAW Battery charging or discharging amps ENGINE COOLANT Engine coolant temperature TEMP AMBIENT AIR TEMP Ambient (air entering...

  • Page 35: Alarm List

    16. Alarm List ACTIVE ALARMS (2 OF 3) A00013 HIGH DISCHARGE PRESSURE A00022 LOW SUCTION PRESSURE A00028 CHECK REFRIG SYSTEM BACK CLEAR ALARMS 1. With the system powered up (START/RUN-OFF switch in the START/ RUN position) press the ALARM key. 2.

  • Page 36: View Hour Meters

    17. View Hour Meters START/STOP DIESEL COOL Viewing Menu Soft Key Selections Press Menu Key to Scroll INTELLISET PRETRIP HOUR UNIT METERS DATA 1. With the system powered up (START/RUN-OFF switch in the START/ RUN position), press the MENU key until HOUR METERS is displayed. 2.

  • Page 37: Stopping Unit

    18. Stopping Unit START/STOP DIESEL COOL .3 34 BOX TEMPERATURE F SETPOINT STATUS OK SROS To stop the unit, place the START/RUN-OFF switch in the OFF position. The refrigeration system and engine will shut down immediately while the control system completes a shut down sequence, and then the display will go blank. NOTE The system will close the compressor suction modulation valve (CSMV) and evaporator expansion valve (EVXV) before turning...

  • Page 38: Emergency Bypass Mode

    24 hours. A countdown timer will be shown on the display. This 24-hour window of operation will keep the load safe, and provide enough time to contact the nearest Carrier Transicold Service Center for repair of the unit.
  • Page 39 After repairs have been made and the display module alarm has been cleared, the unit will operate normally and Emergency Bypass mode will no longer be available. 62-12250...

  • Page 40: Pretrip Inspection

    20. Pretrip Inspection The Pretrip Inspection should be performed before picking up any load. This inspection is essential to ensure reliable operation of this unit. These checks take only a few minutes. WARNING Unit may start automatically at any time even if the switch is in the OFF position.
  • Page 41 AFTER 15 MINUTES OF OPERATION Initiate defrost and allow to terminate automatically Check defrost drain line for blockage and proper water flow PRETRIP Initiate Pretrip List any Pretrip alarms FINAL Enter trip start in micro COMMENTS / NOTES 62-12250...

  • Page 42: Product Loading

    21. Product Loading 21.1 Before Loading • Pre-cool the compartment. This will remove much of the heat from the inside of the compartment (including the walls and insulation) and give the product better protection when it is loaded. • If possible, Place the unit in a defrost cycle immediately before loading. This will remove moisture accumulated on the evaporator coil.

  • Page 43: Recommended Transport Tempertures

    These are included for reference only and should not be considered preemptive of the setpoint required by the shipper or receiver. More detailed information can be obtained from your Carrier Transicold dealer. Product...

  • Page 44: General Troubleshooting

    If, however you are having an issue, the following section may be of assistance. If you do not find the trouble that you have experienced listed, please call your Carrier Transicold dealer for assistance. General Troubleshooting Unit won’t crank...
  • Page 45 Unit not cooling/heating Check alarm list properly Initiate Manual Defrost of unit. Refer Manual Defrost. Check for proper air circulation in the refrigerated compartment. Check condenser for airflow restriction Check refrigerated compartment for damage or air leaks. 62-12250...

  • Page 46: Fuses

    24. Fuses Fuses are located in the Control Box (engine side of unit) and the Power Module (PM) located above the battery. Fuses in the control box are 600 VAC and fuses in the PM are 12 VDC. Power Module (PM) Fuse Purpose Amps...

  • Page 47: Unit Maintenance

    3. Check fuel heater (if equipped) Cooling 1. Check coolant change interval. If replacement is not System required, check antifreeze concentration using a refractometer (Carrier Transicold P/N 07-00435-00) 2. Clean condenser/radiator surfaces 3. Check water pump 4. Check water temperature sensor Exhaust 1.
  • Page 48 SYSTEM OPERATION Air Intake 1. Change air cleaner element System 2. Check and reset air cleaner indicator Starting 1. Clean battery connections and cable ends Circuit 2. Check battery hold down clamps 3. Check battery condition 4. Check starter operation Charging 1.
  • Page 49 25.2 Engine Oil The petroleum oils recommended for use in this refrigeration unit must comply with the American Petroleum Institute (API) Class CJ or better rating. The only recommended synthetic oil is Mobil Delvac 1. The use of any oil that does not meet this rating may affect the warranty on the engine. The use of oil of the proper weight (viscosity) is also essential.

  • Page 50: Warranty

    Carrier Transicold offers warranty coverage to the initial and subsequent owners during the warranty coverage period. The warranty coverage terms are available on request through the Carrier Transicold dealer network. For the X4 7700, please request 62-12252 for the manufacturer’s warranty document. 62-12250...

  • Page 51: Emergency Road Service

    To find the nearest Carrier Transicold dealer, download the Carrier Transicold Dealer Locator app to your smart phone. The Dealer Locator App provides: • Location information for every Carrier Transicold dealer in North America • The nearest dealer from your present location • Dealer look-up capability •...
  • Page 52 62-12250...
  • Page 54 Central America and Mexico Carrier Transicold Carrier Transicold 700 Olympic Drive Ejercito Nacional 253-A Piso 5 Athens, GA 30601 USA Colonia Anahuac 11320 Mexico D.F. ©2023 Carrier Corporation. Printed in USA 04/23. Carrier, Carrier Transicold is a registered trademark of Carrier Corporation.

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