Carrier UG 15 Tier 4 Operation And Service Manual
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Carrier UG 15 Tier 4 Operation And Service Manual

Engine emission system, generator sets
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Container Refrigeration
OPERATIONS AND SERVICE
MANUAL
For
Engine Emission System (EES)
UG15 Tier 4 Generator Sets
T-378

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Summary of Contents for Carrier UG 15 Tier 4

  • Page 1 Container Refrigeration OPERATIONS AND SERVICE MANUAL Engine Emission System (EES) UG15 Tier 4 Generator Sets T-378...
  • Page 2 OPERATIONS AND SERVICE MANUAL Engine Emission System (EES) UG15 Tier 4 Generator Sets © Carrier Corporation, 2021 Printed in U. S. A. September 2021...

  • Page 3: Table Of Contents

    TABLE OF CONTENTS Paragraph Number Page SAFETY SUMMARY ..............1–1 GENERAL SAFETY NOTICES .
  • Page 4 ALARMS AND TROUBLESHOOTING ........... . . 5–1 ALARMS .
  • Page 5 LIST OF ILLUSTRATIONS FIGURE NUMBER Page Figure 3.1 Engine Emission System (EES) Components ........3–1 Figure 3.2 Diesel Oxidation Catalyst (DOC) .
  • Page 6 LIST OF TABLES TABLE NUMBER Page Table 3–1 System Specifications ............3–7 Table 6–1 EES Maintenance .

  • Page 7: Safety Summary

    SAFETY SUMMARY General Safety Notices .This Carrier Transicold EES 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 8: Ash Handling

    2706(h)(2), Title 13, California Code of Regulations, at no additional cost to the owner. If you do not already have this information, contact either your local Carrier Transicold dealer or Carrier Transicold at 1-800-448-1661 for assistance.

  • Page 9: Importance Of Engine Maintenance

    INTRODUCTION Introduction This guide has been prepared for the operator of a Carrier Transicold Trailer or Rail refrigeration unit with Engine Emission System (EES) installed. It contains basic information for the operation of the EES as well as safety information and troubleshooting tips. Please take the time to read the information contained in this booklet and refer to it whenever you have a question about the operation of the EES.

  • Page 11: Description

    SECTION 3 DESCRIPTION Engine Emission System (EES) Overview In a diesel engine exhaust system, unburned diesel fuel results in soot accumulation. This can cause clogging in the filter which in turn causes engine exhaust back pressure to become too high. The Engine Emission System (EES), is an optional system that removes most of the soot particles from the exhaust.

  • Page 12: Exhaust System Description

    Exhaust System Description 3.2.1 Diesel Oxidation Catalyst (DOC) Figure 3.2, for initial filtration. Fuel is injected into the Exhaust flows through the Diesel Oxidation Catalyst (DOC), DOC to increase temperatures in the Diesel Particulate Filter (DPF) during regeneration. Refer to Section 3.7 for a description of how regeneration works.

  • Page 13: Fuel Injector (Doser) Description

    Fuel Injector (Doser) Description 3.3.1 Fuel Injector (Doser) Figure 3.4, sprays a small amount of fuel into the exhaust. The Doser helps raise The Fuel Injector (Doser), exhaust temperatures during active regeneration when the engine is too lightly loaded for passive regeneration to occur.

  • Page 14: Air Control Valve (Acv) Description

    Air Control Valve (ACV) Description The Air Control Valve (ACV), Figure 3.6, restricts engine intake air to raise exhaust temperatures. It is a normally- open valve that is located on the engine air intake hose. When the DPF requires regeneration and exhaust temperature is very low (for example, during minimal engine loading and/or extremely cold weather), the ACV is used for active-assist regeneration.

  • Page 15: Sensors

    Sensors The temperature sensors monitor unit operation and report back to the ECM. 3.6.1 Exhaust Inlet Temperature Sensor (ESEIT) The Exhaust Inlet Temperature Sensor (ESEIT), Figure 3.9, monitors temperature entering the DOC. It is located just before the Doser and DOC. This temperature is directly dependent upon engine load and determines which type of regeneration is needed.

  • Page 16: Filter Outlet Temperature Sensor (Esfot)

    3.6.3 Filter Outlet Temperature Sensor (ESFOT) The Exhaust Outlet Temperature Sensor (ESFOT), Figure 3.11, monitors exhaust temperature leaving the DPF. It is located after the DPF and before the tail pipe. This temperature data is utilized to verify that the regeneration process is being properly controlled.

  • Page 17: System Specifications

    Section 4.3 A manual regeneration can be initiated through the ECM Service tool. Refer to for procedures. The three phases of regeneration are explained below: 1. Passive Regeneration Condition: Engine exhaust temperature is above 662°F (350°C). Description: During Passive Regeneration, exhaust temperatures are hot enough to start an exothermic reaction in the DOC without assistance.

  • Page 19: Ecm Service Tool

    ECM, and more. The ECM Service Tool software v2.0.28 is required to communicate with the ECM. This can be downloaded from the Carrier Transicold website. With the software installed, connect the computer to the ECM through an ECM Figure 4.2, part number 07-00533-01.

  • Page 20: Component Check

    When the ECM Service Tool program is first opened and the USB connector from the ECM CAN Adapter is connected to the computer, a message will indicate that a new driver has been installed. If the driver has not been installed properly, the software will automatically complete driver installation.

  • Page 21: Injector (Doser)

    4.2.2 Injector (Doser) 1. From the Setup Screen, click on the AR-DOC tab. 2. Click the DO2 Injector button once to activate the injector. When the injector is activated, it will make a slight, audible click which indicates that the injector is working properly. 3.

  • Page 22: Initiating A Manual Regeneration

    Initiating a Manual Regeneration A manual regeneration can be initiated from the ECM service tool. Refer to Figure 4.5. Section 3.7 Refer to for more details on the regeneration process. 1. From the Setup Screen, click on the AR-DOC tab. 2.

  • Page 23: Alarms

    Alarms Alarm conditions where the EES becomes inoperable will initiate a 250 hour timer. After 250 hours, the unit will shut down until the system is repaired by a qualified technician. Once the alarm condition is corrected, the EES Service Light will go from Amber to Green and the timer will be reset. Refer to Figure 4.6.

  • Page 24: Figure 4.7 Ecm Service Tool - Alarms Active

    3. When an alarm occurs, the error code is logged in the drop down box. It is listed in red to indicate that it is an active alarm. The System Service indicator turns red. Alarm conditions where the EES becomes inoper- able will initiate a 250 hour timer.

  • Page 25: Sensor Readings

    5. Once an alarm is corrected, turn the unit switch off and on. Then, click on the Accept button. Verify that the Figure 4.9. alarm text turns green and the System Indicator turns green. Refer to Figure 4.9 ECM Service Tool - Alarms Cleared Sensor Readings The ECM Service Tool can display current readings for the EES sensors on the Setup Screen from the AR-DOC tab.

  • Page 26: Retrieving Data

    The following sensors are monitored: • Exhaust Inlet Temperature Sensor (ESEIT) • Filter Inlet Temperature Sensor (ESFIT) • Filter Outlet Temperature Sensor (ESFOT) • Filter Back Pressure Sensor (ESFP) With the unit off, once exhaust system temperature has stabilized check sensor temperatures for Exhaust Inlet, Filter Inlet, and Filter Outlet.

  • Page 27: Programming The Ecm With New Software

    Programming the ECM with New Software If the ECM needs to be updated with new firmware, use the ECM Service tool to do it. Refer to Figure 4.12. 1. From the Setup screen, click on the Firmware tab. 2. Click on the “Update ECM with firmware” button. A window will prompt to locate the new software file. 3.

  • Page 29: Alarms And Troubleshooting

    SECTION 5 ALARMS AND TROUBLESHOOTING Alarms The EES monitors several parameters. If the EES fails to perform a successful regeneration, an alarm will be sent to alert the technician of the likely cause. This will aid in troubleshooting the system. Alarms generated by the EES Figure 3.8 are displayed as an Amber light on the EES Service Light, refer to for location.
  • Page 30 Alarm Name Cause / Troubleshooting Temp Sensor Drift One of the three temperature sensors differs more than +/-15°C from the average temperature of all the temperature sensors. Check the temperature value of all the temperature sensors using the ECM Service Tool. Refer to Section 4.5.

  • Page 31: Other Potential Failure Modes

    Alarm Name Cause / Troubleshooting System Over Temp Filter Outlet Temperature is more than 850°C during regeneration. In some rare cases regeneration may produce higher than expected temperatures leaving the DPF. This may be just after repairs with the back pressure still high.

  • Page 32: Troubleshooting With The Ees Service Tool

    Troubleshooting with the EES Service Tool During troubleshooting, individual EES components such as the fuel pump and doser can be activated individually using the ECM Service Tool. The engine must be off and only one component can be energized at a time. Refer to Section 4.2 for complete procedures.

  • Page 33: Service

    SECTION 6 SERVICE Engine Maintenance When fitted with a EES, the engine should be maintained and serviced as per service recommendations in the UG15 Generator Set Operation and Service Manual (T-360). EES Maintenance Table 6–1 EES Maintenance System Operation Every Service Interval or Yearly Check the mounting straps and U-clamps for tightness or wear.

  • Page 34: Carb Registration And System Labeling

    2. Shut down the engine and allow the DPF assembly to cool. 3. Disconnect the negative battery terminal and perform a lock-out / tag-out of the negative battery cable. 4. Remove the DPF module from the generator set. 5. Disassemble the DPF filter section and the DOC. 6.

  • Page 35: Schematics

    SECTION 7 SCHEMATICS Figure 7.1 Schematic 7–1 T-378...

  • Page 37: Parts

    SECTION 8 PARTS Table 8–1 Retrofit Kit #74-00324-00 for EES Field Installation Item Part Number Description 76-00955-00 Exhaust Kit (See Below) 76-00956-00 ACV Kit (See Below) 76-00957-00 Coolant Kit (See Below) 76-00958-00 Voltage Kit (See Below) 76-00959-00 Fuel System Kit (See Below) 76-00960-00 Control Box (See Below) 44-60024-25...

  • Page 38: Table 8-3 Air Control Valve (Acv) Kit #76-00956-00

    Table 8–2 Exhaust Kit #76-00955-00 Item Part Number Description 34-01146-08 Washer, Lock 34-01145-06 Nut, Hex 25-37238-00 Gasket 12-00737-00 Temperature Sensor (ESFOT & ESEIT) 12-00740-00 Temperature Sensor (ESFIT) Table 8–3 Air Control Valve (ACV) Kit #76-00956-00 Item Part Number Description 76-00956-01 ACV Assembly - Includes: 62-11908-00 Label...

  • Page 39: Table 8-5 Voltage Kit #76-00958-00

    Table 8–5 Voltage Kit #76-00958-00 Item Part Number Description 76-00958-01 ECM Assembly 66-U---1--5371-6 Screw, Mach Hxhd 66-U---1--5331-3 Washer, Lock 34-00829-09 Washer, Plain 12-00718-04 ECM Module 58-05100-00 Sta-Strap 86-05119-00 Bracket Assembly 22-04331-00 Clip, Push On 58-04184-07 Back Pressure Hose 40-00761-00 Connector, Male 56-09293-00 Tube 44-00045-25...

  • Page 40: Table 8-7 Control Box Kit #76-00960-00

    Table 8–6 Fuel System Kit #76-00959-00 Item Part Number Description 30-00532-01 Fuel Pump 66-U---1--5371-6 Screw, Mach Hxhd 66-U---1--5321-8 Washer, Plain 66-U---1--5331-3 Washer, Lock 58-05100-00 Sta-Strap 58-00079-02 Sta-Strap 40-00420-02 Fitting, Hose 58-00065-76 Grommet 40-00249-01 Tee, Male Branch 58-00065-27 Grommet 40-00420-01 Fitting, Hose 44-00102-52 Clamp, Cushioned 34-00662-11...

  • Page 41: Eu Declaration Of Conformity

    SECTION 9 EU DECLARATION OF CONFORMITY We, manufacturer: Carrier Transicold 700 Olympic Drive Athens GA 30601 Declare, under our sole responsibility, that the UG Generator Set Unit: Models: 69UG15-068S-55 69UG15-050S-55 are in conformity with the provisions of the following European Directives: •...

  • Page 43: Index

    INDEX Numerics 76-00958-01 8–3 86-05115-00 8–1 12-00718-04 8–3 86-05119-00 8–3 12-00736-00 8–2 86-05300-00 8–3 22-04331-00 8–3 86-05317-00 8–2 30-00499-01 8–3 30-00510-04 8–1 30-00510-51 8–1 Active Assist Regeneration 3–4 3–7 30-00510-57 8–1 Active Regeneration 3–7 30-00510-63 8–1 Air Control Valve (ACV) Description 3–4 30-00510-64 8–1 Air Control Valve (ACV) Location 3–1 30-00510-65 8–1...
  • Page 44 Engine Emission System (EES) 2–1 Engine Maintenance 2–1 Wall Flow Filter (WFF) design 3–2 Engine Maintenance Requirements 6–1 ESEIT 3–5 ESFP 3–6 Exhaust Inlet Temperature Sensor (ESEIT) 3–5 Exhaust System Description 3–2 Exhaust System Location 3–1 Filtration 3–2 Fuel and Oil Requirements 2–1 Fuel Injector (Doser) Description 3–3 Fuel Injector (Doser) Location 3–1 Fuel Injector (Doser) Valve 3–3...
  • Page 45 • If in an enclosed area, vent the exhaust to the outside. • Do not modify or tamper with the exhaust system. • Do not idle the engine except as necessary. For more information, go to p65warnings.ca.gov/products/diesel Carrier Transicold Division, Carrier Corporation P.O. Box 4805 Syracuse, NY 13221 USA https://www.carrier.com/container-refrigeration...

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