Step, Yes | Carrier 69NT40-521, 69NT40-511-199 guide

STEP

A

Compressor Starting Sequence

*Operating capacity is the required capacity to maintain container box temperature.

**Required voltage is a function of operating capacity and supply frequency.

B

C

YES

D

E

F

G

H

I

J

L

Is Ambient

NO

Low Speed

Run For 2

Temperature Less

Soft Start

Minutes

Than 60 ˚F ?

(See Note A & B)

YES

YES

High Speed Start

Was Ambient Greater

Than 60 ˚F During Start ?

NO

Does High Pressure

YES

Is Supply Voltage

Switch (HPS) Trip ?

Greater Than

Required Voltage ** ?

NO

NO

NO

YES

Has Compressor Run

Are High Speed Switch

For 20 Minutes ?

Over Conditions Satisfied ?

(Refer To Steps “J & L”)

YES

NO

NO

Has Set Point

Continue In

Been Reached ?

Low Speed

YES

NO

Is The Operating Capacity *

Below Low Speed Capacity ?

YES

NOTE A

Is Supply Voltage

YES

During

compressor

Greater Than

Required Voltage ** ?

operation, if at anytime the

High Pressure Switch (HPS)

NO

trips, the logic will switch to

Low Speed

Low Speed Soft Start.

Soft Start (See Note B)

NOTE B

Low

Speed

Soft Start

is

performed

by closing

the

Run 20 Minutes

Continue In

SMV to 0% opening for ten

Low Speed

seconds during the start-up

of the compressor. The SMV

opening is

then gradually

Is Supply 3 ˚F Above Set Point

NO

increased to the desired value

Or Is Operating Capacity *

Greater Than Low Speed Capacity ?

at the rate of a 3% opening

per second.

YES

Figure 3-6. Two-Speed Compressor Speed Change Logic -- Perishable Range Only

T-268-07

3-36

Image 74

Carrier 69NT40-521, 69NT40-511-199 manual Step, Yes

Contents

Container Refrigeration Unit Operation Container Refrigeration Unit Models Maintenance Precautions General Safety NoticesOperating Precautions Safety-1 268-07 Safety-2 Specific Warning and Caution Statements Table of Contents Operation Section Service Iii 268-07 List of Illustrations 27 Suction Solenoid Valve SSV -- Alco List of Tables Section Introduction Introduction Model Chart Model Transformer Humidity Sensor TransFresh PID 69NT40-511-58 69NT40-511-71 69NT40-511-95 69NT40-521-10 General Description Refrigeration Unit -- Front Section Evaporator Section Refrigeration Unit -- Rear Panels Removed Compressor Section 1011 Condenser Section Condenser Section 268-07 Receiver Section 1716 Water-Cooled Condenser Section Optional Units with Water-Cooled Condenser 6 9 Control Box with a Single-Speed Compressor123 Control Box with a Two-Speed Compressor Optional Refrigeration System Data Electrical Data To Operate Unit on 380/460 vac Power Supply Power Autotransformer OptionalStep-Up Power Autotransformer To Operate Unit on 190/230 vac Power Supply Lower Fresh AIR Makeup Vent Optional Upper Fresh AIR Makeup VentFull Open or Closed Positions Air Sampling for Carbon Dioxide CO2 Level Refrigeration Circuit with Receiver 10. Refrigeration Circuit with Receiver 268-07 WATER-COOLED Condenser Optional Water--Cooled Condenser with Water Pressure Switch WPWater-Cooled Condenser with Condenser Fan Switch CFS Section Suction Solenoid Override Suction Solenoid ValveOperation Remote Monitoring Optional Unsafe Condition Safety Device Device Setting Safety and Protective DevicesSafety and Protective Devices MICRO-LINK 2i Controller Module Micro-Link 2i Controller/DataCORDER Module Brief Description Operational Software Procedure for loading softwareConfiguration Software Controller Programming Memory Cards Controller Configuration Variables Configuration Title Default Option Number General Layout of the Controller Section KEY Function Display Module Code Title Description Controller Function CodesController Function Code Assignments Inapplicable Functions Display CPC Variable option 34 is set to F refer to Table Code Title Description Controller Alarms ALL Models Controller Alarm IndicationsModel 69NT40-511-72 Check for recharging or replacing battery pack Microprocessor Error DescriptionERR Controller Temperature Control Condenser Pressure Control CPC Section Operation in the economy mode Code 34 set to on PRE-TRIP Diagnostics PRE-TRIP Selection Menu Title Description Pre-Trip ModePre-Trip Test Codes Component Normal Logic Crel 3 minutes Seconds Seconds Minutes Component Normal LogicCrel Addition, this test is skipped if Addition, the test will fail if Fail Integrated Datacorder Optional Setting Factory Default ConfigurationDataCORDER Configuration DataCORDER Function Codes Code # Title Description DataCORDER Alarms DataCORDER Alarm Indications DataCORDER Alarm Configurations Description Selection Access to DataCORDER Functions DataCorder Standard Configuration Description Tion Generic ModeStandard Mode Pre-Trip Data Recording USDA/ Message Trip CommentUsda Recording Usda Cold Treatment Procedure DataCORDER Scrollback 10. DataCORDER Pre-Trip Data Test # Title Data Standard Configuration Report Sample SET Point Falling Rising TemperatureCooling AIR Step YES Compressor Cycles OFF Operation PRE-TRIP Inspection Before Starting After Starting Inspection Units equipped with the integrated DataCORDERStarting and Stopping Instructions Unit Operation Controller Set Above --10C +14F, or --5C +23F optionally Defrost indicator will remain on throughout this periodProbe Check Cooling in High Speed with Two-Speed Compressor See Figure 268-07 Control Transformer Cooling in High Speed with Two-Speed Compressor Cooling in Low Speed with Two-Speed Compressor See Figure Cooling in Low Speed with Two-Speed Compressor 268-07 Cooling with Single-Speed Compressor See Figure Cooling with Single-Speed Compressor 268-07 Heating See Figure Heating Mode 268-07 Arctic Snap Freeze OptionDefrost = 18 Volt Energized Circuit = De-energized Circuit Holding Zone Two-Speed Compressor Holding Zone Unit Runs but has Insufficient Cooling Unit Operates Long or Continuously in Cooling Unit will not Defrost Properly RemedyUnit will not Terminate Heating No Evaporator AIR Flow or Restricted AIR Flow Temperature Controller MalfunctionAbnormal Noise or Vibrations Power Autotransformer Malfunction WATER-COOLED Condenser or Water Pressure Switch Closed Manifold Gauge SETOpened Removing the Manifold Gauge Set Blue Hose To Discharge Service orPort Blue Knob Refrigerant Leak Checking Suction and Discharge Service ValvesPumping the Unit Down Evacuation and Dehydration Refrigerant Charge 268-07 Vacuum Pump Connections Compressor -- Model 06DR Adding Refrigerant to System Full ChargeAdding Refrigerant to System Partial Charge 10 9 8 Compressor DisassemblyTurn off valves on both hoses to pump Jack here Exploded View of Valve Plate Oil Pump and Bearing Head Low Profile Gear Oil Pump 11. Crankshaft Assembly Compressor Reassembly Compression Rings Compressor OIL Level Adding Oil to Service Replacement CompressorIf compressor is without oil To Check the Oil Level in the Compressor To Replace Filter-Drier High Pressure SwitchTo Check Filter-Drier FILTER-DRIER To Replace the Evaporator Coil To Replace the Evaporator Fan AssemblyTo disassemble the Evaporator Fan Assembly Evaporator FAN Motor Capacitors To assemble the Evaporator Fan AssemblyWhen to check for a defective capacitor Removing the capacitor To Replace Condenser Coil Condenser FAN and Motor AssemblyCapacitor analyzer Condenser Coil Unit Off OhmmeterUnit Running Saginomiya Recording Thermometer BatteryTo replace the recording thermometer element Calibration Sensor Checkout Procedure AMBS, DTS, RRS, RTS, SRS & STS Maintenance of Painted SurfacesPower Autotransformer Optional Replacing Sensor Probe Replacing Sensor STS and SRS RTS or STSRRS or SRS OLD Style Probe Holder Replacing Sensor RRS and RTS Sensor Mm 1-5/8 inches 35 mm 1/4 inchSensor Cable Heat Shrink Large Heat Shrink Tubing Sensor 25.4 mm 1.0 inch Mounting Stud 35mm 1/4 inch Ambs or DTSReplacing Sensor Ambs or DTS Sensor Crimp Fitting Heat Shrink Crimp FittingTubing Replacing the Coil Coil Checkout ProcedureSuction Solenoid Valve SSV Replacing Valve Internal Parts -- Alco See Figure Thermostatic Expansion Valve Ambient Temperature Cold CoilTo Replace Valve Removing Expansion Valve See Figure Installing Expansion Valve To Measure Superheat CONTROLLER/DATACORDER Removing and Installing the Controller/DataCORDER ModuleRemoval Handling of Controller/DataCORDER Procedure for loading Configuration Software InstallationProcedure for loading Operational Software Controller/DataCORDER Programming Procedure Summary of Procedure What You Will Need Pump Fine mesh Support Screen Detailed ProcedureReturn What You Can Do For Further Help Partlow Bulb Temperature-Resistance ChartTemperature Resistance Ohms Ambs and DTS Nonfree Spinning Locknuts ETC Recommended Bolt Torque ValuesBolt DIA Threads Torque MKG Free Spinning Wear Limits For Compressors Compressor Torque Values Temperature Pressure 35F 1.7C Box 0F --17.8C Box 35 F 1.7 C Box 17.8 C Box Ambient Air Temperature35F 1.7C Box 0F --17.8C Box Please Refer to File Diagrams For Schematics and Diagrams Index Index-1 268-07 Index-2 Index-3 268-07 Index-4 Index-5 268-07 Index-6