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Carrier Supra 950MT Operator's Manual

Truck refrigeration units
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Truck Refrigeration
OPERATOR'S MANUAL
For
Supra 950MT
Truck Refrigeration Units
62-11491 Rev A

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Summary of Contents for Carrier Supra 950MT

  • Page 1 Truck Refrigeration OPERATOR’S MANUAL Supra 950MT Truck Refrigeration Units 62-11491 Rev A...
  • Page 3 OPERATOR’S MANUAL Supra 950MT Truck Refrigeration Units © 2016 Carrier Corporation Printed in USA January 2016 ●...

  • Page 5: Table Of Contents

    TABLE OF CONTENTS INTRODUCTION ........1 UNIT IDENTIFICATION .

  • Page 7: Introduction

    INTRODUCTION This guide has been prepared for the operator of Carrier Transicold diesel truck refrigeration units. 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

    UNIT IDENTIFICATION Each Supra 950MT unit is identified by a nameplate attached to the frame near the accumulator. This nameplate identifies the complete model number of the unit, the serial number, the refrigerant charge and quantity, and the date the unit was placed in service.

  • Page 9: Safety

    SAFETY The Supra 950MT has been designed with the safety of the operator in mind. During normal operation, all moving parts are fully guarded to help prevent injury. During all pre trip inspections, daily inspections, and problem troubleshooting, you may be exposed to moving parts. Please stay clear of all moving parts when the unit is in operation and when the unit main power switch is in the RUN (I) position.

  • Page 10: Pre-Trip Inspection

    PRE-TRIP INSPECTION BEFORE STARTING ENGINE 1. Drain water and sediment from fuel tank sump and then fill tank with diesel fuel. 2. Check radiator coolant level. Add pre-mixed 50/50 permanent antifreeze-water as required. 3. Check evaporator and condenser coil for cleanliness. 4.

  • Page 11: Unit Operation

    UNIT OPERATION WARNING Under no circumstances should ether or any other starting aids be used to start the engine. Place the RSS in “RUN” position, the ON/OFF switch in “ON” position and all COMPARTMENT switches in the “OFF” position. ALARM/FAULT UNIT DATA SETPOINT BOX TEMPERATURE...

  • Page 12: Starting Unit - Engine/Road Operation

    STARTING UNIT - ENGINE/ROAD OPERATION ALARM/FAULT - -20 35° F UNIT DATA SETPOINT BOX TEMPERATURE FUNCTION ENTER AUTO START/STOP PRETRIP CITY ROAD BUZZER OFF STANDBY SPEED DEFROST COMPARTMENT 1 COMPARTMENT 2 COMPARTMENT 3 1. Place the unit RUN/STOP switch in the “RUN” position. 2.

  • Page 13: Starting Unit - Standby Operation

    STARTING UNIT - STANDBY OPERATION WARNING Make sure the power plug is clean and dry before con- necting to any power source. WARNING Do not attempt to connect or remove power plug or per- form service and/or maintenance before ensuring the unit RUN/STOP Switch is in the STOP position, the I/O switch is in the “O”...
  • Page 14 STARTING UNIT - STANDBY OPERATION (CONTINUED) ALARM/FAULT - -20 35° F UNIT DATA SETPOINT BOX TEMPERATURE FUNCTION ENTER AUTO START/STOP PRETRIP CITY ROAD BUZZER OFF STANDBY SPEED DEFROST COMPARTMENT 1 COMPARTMENT 2 COMPARTMENT 3 1. Place the unit RUN/STOP switch in the “STOP” position. 2.

  • Page 15: Start/Stop Operation

    START/STOP OPERATION 1, 3 ALARM/FAULT - -20 35° F UNIT DATA SETPOINT BOX TEMPERATURE FUNCTION ENTER AUTO START/STOP PRETRIP CITY ROAD BUZZER OFF STANDBY SPEED DEFROST COMPARTMENT 1 COMPARTMENT 2 COMPARTMENT 3 1. Check if the AUTO-START/STOP indicator is illuminated. 2.
  • Page 16 Whenever the unit starts in Auto-Start/Stop, it will run until: • It has run for the predetermined minimum run time. • The engine coolant temperature is above 122°F (50°C) • The box temperature is at setpoint. The controller will not shut off the engine if the battery voltage is not sufficient to restart it.

  • Page 17: Continuous Run Operation

    CONTINUOUS RUN OPERATION ALARM/FAULT - -20 35° F UNIT DATA SETPOINT BOX TEMPERATURE FUNCTION ENTER AUTO START/STOP PRETRIP CITY ROAD BUZZER OFF STANDBY SPEED DEFROST COMPARTMENT 1 COMPARTMENT 2 COMPARTMENT 3 1. Check if the AUTO-START/STOP indicator is illuminated. 2. If it is, press the AUTO-START/STOP toggle key to place the unit in Continuous Run mode.

  • Page 18: Changing Setpoint

    CHANGING SETPOINT Settings for C1 and C2 will alternate every 5 seconds. Wait until the desired compartment is displayed and then perform the following: ALARM/FAULT - -20 35° F UNIT DATA SETPOINT BOX TEMPERATURE FUNCTION ENTER AUTO START/STOP PRETRIP CITY ROAD BUZZER OFF STANDBY...

  • Page 19: Manual Defrost

    MANUAL DEFROST ALARM/FAULT UNIT DATA SETPOINT BOX TEMPERATURE FUNCTION ENTER AUTO START/STOP PRETRIP CITY ROAD BUZZER OFF STANDBY SPEED DEFROST COMPARTMENT 1 COMPARTMENT 2 COMPARTMENT 3 1. Press the MANUAL DEFROST key to initiate a defrost. The defrost mode may be initiated in three different ways if the evaporator coil is below 45°F (7.2°C): 1.

  • Page 20: Function Change

    FUNCTION CHANGE 2, 4 ALARM/FAULT DEFR 12.0 H UNIT DATA SETPOINT BOX TEMPERATURE FUNCTION ENTER AUTO START/STOP PRETRIP CITY ROAD BUZZER OFF STANDBY SPEED DEFROST COMPARTMENT 1 COMPARTMENT 2 COMPARTMENT 3 1. Press the FUNCTION key. 2. Press the ENTER key to select the desired function to change. 3.
  • Page 21 FUNCTION CHANGE (CONTINUED) The following table has columns for Code and English displays. English is the default setting. Change Functional Parameter to Code to see Code display format. Table 1–1 Functional Parameters CODE ENGLISH DATA DEFR Defrost Interval *FN1 ON CITY SPD Low Speed *FN1 OFF...

  • Page 22: Unit Data

    UNIT DATA ALARM/FAULT SUCT UNIT DATA SETPOINT BOX TEMPERATURE FUNCTION ENTER AUTO START/STOP PRETRIP CITY ROAD BUZZER OFF STANDBY SPEED DEFROST COMPARTMENT 1 COMPARTMENT 2 COMPARTMENT 3 1. Press the UNIT DATA key to scroll through the data list one item at a time.
  • Page 23 The following table has columns for Code and English displays. English is the default setting. Change Functional Parameter to Code to see Code display format. Table 1–2 Unit Data CODE ENGLISH DATA SUCT Suction Pressure Engine Hours Coolant Temperature C1 Return Air Temperature C2 Defrost Temperature C1 Defrost Temperature Discharge Temperature...

  • Page 24: Alarm Display & Reset

    ALARM DISPLAY & RESET Alarm Display When the fault light is on, the buzzer is activated and normal display of the Setpoint / Box temperature alternates with this message. Alarm Reset ALARM/FAULT ENG OIL UNIT DATA SETPOINT BOX TEMPERATURE FUNCTION ENTER AUTO START/STOP PRETRIP...
  • Page 25 The following table has columns for Code and English displays. English is the default setting. Change Functional Parameter to Code to see Code display format. Table notes: • = Unit Shutdown • = Can Be Configured To Shut Down • = Fault Light On CODE ENGLISH...
  • Page 26 CODE ENGLISH DESCRIPTION AL14 SBY MOTOR Standby Motor Fault AL15 FUSE BAD Fuse Open AL17 DISPLAY Display AL18 SERVICE 1 Maintenance Hour Meter 1 AL19 SERVICE 2 Maintenance Hour Meter 2 AL20 1RA OUT Main Comp Out-of-Range AL21 2RA OUT AL23 NO POWER No AC Power When Unit Is In...

  • Page 27: Stopping Unit

    STOPPING UNIT WARNING Always place the RSS in the OFF position and turn off the power supply before disconnecting the power plug from the unit. ALARM/FAULT - -20 35° F UNIT DATA SETPOINT BOX TEMPERATURE FUNCTION ENTER AUTO START/STOP PRETRIP CITY ROAD BUZZER OFF...

  • Page 28: Product Loading

    PRODUCT LOADING BEFORE LOADING • Pre-cool the body. This will remove much of the heat from the inside of the body and give the product better protection when it is loaded. • Place the unit in a defrost cycle immediately before loading. This will remove moisture accumulated on the evaporator coil.

  • Page 29: Recommended Transport Temperatures

    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 30: Troubleshooting Tips

    If, however, you run into problems 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. TROUBLESHOOTING Engine Will Not Start...
  • Page 31 TROUBLESHOOTING Engine Starts Then Stops Engine stops after Fuel supply restricted several rotations No fuel in tank Leak in fuel system Faulty fuel control operation Fuel filter restricted Injector nozzle(s) defective Injection pump defective Air cleaner or hose restricted Safety device open Open wiring circuit to run solenoid Fuel pump (FP) malfunction Starter Motor Malfunction...

  • Page 32: Control Box Components

    CONTROL BOX COMPONENTS The fuses that protect the Microprocessor circuits are located in the control box on the Relay Board and the Multi-Temp Sub Panel. Fuse Identification Rep. Item Amps Main Fuse 80 A RCR Fuse Run Relay Fuse 15 A Main Heater Relay Fuse Unloader Fuse 1 Liquid Solenoid Valve Fuse...
  • Page 33 Relay Identification Desig. Item Starter Solenoid Relay 1CR, 2CR Cool Relay (1st and 2nd compartments) 1EHR, 2EHR Electrical Heat Relay (1st and 2nd compartments) Flashing Relay Unloader Front Relay Fuel Heater Relay (option) 1HGR, 2HGR Hot Gas Relay (1st and 2nd compartments) Diesel Electric Relay RR, 1RR, 2RR Run Relay (1st and 2nd compartments)

  • Page 34: Multi-Temp Sub Panel

    MULTI-TEMP SUB PANEL 62-11491...

  • Page 35: Relay Board

    RELAY BOARD Measure relay output voltage at pin connections (TP0 to TP17). 62-11491...

  • Page 36: Unit Maintenance

    UNIT MAINTENANCE ENGINE OIL The oils recommended for use in your refrigeration unit must comply with the American Petroleum Institute’s (API) SG/CD rating. The use of any oil that does not meet this rating may affect the warranty on the engine in the unit.

  • Page 37: Unit Maintenance Schedule

    UNIT MAINTENANCE SCHEDULE For the most reliable operation and for maximum life, your unit requires regular maintenance. This includes oil and filter changes, fuel and air filter replacement, and coolant replacement. The following maintenance schedules are based on the use of approved oils and regular pre trip inspections of the unit.
  • Page 38 Every 1,500 hours: • Check fuel pump filter • Replace air filter cartridge • Check battery terminals and fluid level • Check compressor oil level • Check alternator brushes. Check in accordance with diesel hours PLUS standby hours • Check engine thermostat for proper operation •...
  • Page 39 Check bearings in clutch and electric motor • Clean and adjust fuel injectors A more detailed description of service requirements and procedures can be found in the Operation and Service Manual for the Supra 950MT. This manual may be obtained from any Carrier Transicold dealer. 62-11491...

  • Page 40: Emergency Road Service

    EMERGENCY ROAD SERVICE At Carrier Transicold we are working hard to give you complete service when and where you need it. That means a worldwide network of dealers that offer 24-hour emergency service. These service centers are manned by factory trained service personnel and backed by extensive parts inventories that will assure you of prompt repair.
  • Page 41 62-11491...
  • Page 42 Diesel engine exhaust and some of its constituents are known to the State of California to cause cancer, birth defects, and other reproductive harm. North America Central America and Mexico Carrier Transicold Carrier Transicold 700 Olympic Drive Ejercito Nacional 253-A Piso 5 Athens, GA 30601 USA...

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