Carrier SUPRA 950Mt Manual de usuario

Truck Refrigeration

OPERATOR’S MANUAL

For

Supra 950MT

Truck Refrigeration Units

62-11491 Rev A

OPERATOR’S MANUAL

For

Supra 950MT

Truck Refrigeration Units

62-11491

TABLE OF CONTENTS

INTRODUCTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1

UNIT IDENTIFICATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2

SAFETY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

PRE-TRIP INSPECTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

UNIT OPERATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

STARTING UNIT - ENGINE/ROAD OPERATION . . . . . . . . . 6

STARTING UNIT - STANDBY OPERATION . . . . . . . . . . . . . 7

START/STOP OPERATION . . . . . . . . . . . . . . . . . . . . . . . . . . 9

CONTINUOUS RUN OPERATION . . . . . . . . . . . . . . . . . . . . 11

CHANGING SETPOINT . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

MANUAL DEFROST . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

FUNCTION CHANGE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

UNIT DATA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

ALARM DISPLAY & RESET . . . . . . . . . . . . . . . . . . . . . . . . . 18

STOPPING UNIT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21

PRODUCT LOADING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22

RECOMMENDED TRANSPORT TEMPERATURES . . . . . . 23

TROUBLESHOOTING TIPS . . . . . . . . . . . . . . . . . . . . . . . . . 24

CONTROL BOX COMPONENTS . . . . . . . . . . . . . . . . . . . . . 26

MULTI-TEMP SUB PANEL . . . . . . . . . . . . . . . . . . . . . . . . . . 28

RELAY BOARD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29

UNIT MAINTENANCE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30

UNIT MAINTENANCE SCHEDULE . . . . . . . . . . . . . . . . . . . 31

EMERGENCY ROAD SERVICE . . . . . . . . . . . . . . . . . . . . . . 34

1 62-11491

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. 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 your Carrier Transicold Supra unit.

Your refrigeration unit has been engineered to provide long, trouble-free

performance when it is properly operated and maintained. The checks

outlined in this guide will help to minimize over-the-road problems. In

addition, a comprehensive maintenance program will help to insure that

the unit continues to operate reliably. Such a maintenance program will

also help to control operating costs, increase the unit’s working life, and

improve performance.

This guide is intended as an introduction to your unit and to provide

general assistance when needed. More comprehensive information can

be found in the Operation and Service Manual for your unit. This manual

can be obtained from your local Carrier Transicold dealer.

When having your unit serviced, be sure to specify genuine Carrier

Transicold replacement parts for the highest quality and best reliability.

At Carrier Transicold, we are continually working to improve the products

that we build for our customers. As a result, unit specifications may

change without notice.

62-11491 2

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.

If a problem occurs, please refer to the information on this plate, and

make a note of the model and serial number before calling for assistance.

This information will be needed when you contact a technician or Carrier

Transicold Service Engineer so that he or she may properly assist you.

NAMEPLATE

3 62-11491

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.

WARNING

Unit may start automatically at any time even if the

switch is in the OFF position. Use proper lockout/tagout

procedures before inspection/servicing. All unit inspec-

tion/servicing by properly trained personnel only.

WARNING

Under no circumstances should ether or any other

starting aids be used to start the engine.

AUTO-START/STOP

When the unit is set for Auto-Start/Stop operation it may start at any time

and without warning. When performing any check of the refrigeration unit,

ensure that the main power switch is in the OFF (O) position.

ENGINE COOLANT

The engine is equipped with a pressurized cooling system. Under normal

operating conditions, the coolant in the engine and radiator is under high

pressure and is very hot. Contact with hot coolant can cause severe

burns. Do not remove the cap from a hot radiator. If the cap must be

removed, do so very slowly in order to release the pressure without spray.

REFRIGERANTS

The refrigerant contained in the refrigeration system can cause frostbite,

severe burns, or blindness when in direct contact with the skin or eyes.

For this reason, and because of legislation regarding the handling of

refrigerants during system service, we recommend that whenever your

unit requires service of the refrigeration system, you contact your nearest

Carrier Transicold authorized repair facility for service.

BATTERY

This unit utilizes 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.

62-11491 4

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. Check engine oil level, lubrication and fuel filter, oil lines, and

connections for leaks. Tighten connections and/or replace gaskets.

5. Check compressor and receiver service valve position (backseat

position).

6. Check unit compartment and remove any foreign material.

7. Check V-belts for proper tension, fraying or cracks. Adjust belt or

replace.

WARNING

Inspect battery cables for signs of wear, abrasion or

damage at every pre trip inspection and replace if nec-

essary. Also check battery cable routing to ensure that

clamps are secure and that cables are not pinched or

chafing against any components.

AFTER STARTING REFRIGERATION UNIT

1. Check engine speed and listen for abnormal noises.

2. Check compressor oil level.

3. Observe any signs of lube or fuel oil leaks.

4. Check radiator hoses for leaks.

5. Check refrigerant level.

6. Feel filter drier. Excessive temperature drop across drier indicates

restriction.

7. Check water temperature. It should be between 150 to 180°F (65 to

82°C).

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