35F 1.7C Box 0F --17.8C Box | Carrier 69NT40-521, 69NT40-511-199

(Bar)	psig
(.97)	14
	14

(.83)	12
(.83)	12
(.69)	10
(.69)	10
(.55)	8
(.55)	8						35_F (1.7_C) Box
							35_F (1.7_C) Box
(.41)	6


(.28)	4
(.28)	4
(.14)	2
(.14)	2
(0)	0
								0_F (--17.8_C) Box


(--.14)	--2


(--.28)	--4
(--.28)	--4
(--.41)
	--6														120 _F
	60				70		80		90		100		110		120 _F
	(15.6)				(21.1)		(26.7)		(32.2)		(37.8)		(43.3)		(48.9) (_C)

Ambient Air Temperature

Compressor Suction Pressure Versus Ambient Air Temperature at Stable Box Temperature

	17
	17
	16
	16
	15					35_F (1.7_C) Box
	14
	14
	13
	13
	12
	12
	11
								0_F (--17.8_C) Box


	10


	9
	9
	8
	8		60		70			80		90			100			110		120 _F
			60		70			80		90			100			110		120 _F
	(15.6)				(21.1)			(26.7)		(32.2)			(37.8)			(43.3)		(48.9) (_C)

Ambient Air Temperature

Compressor--Motor Current Versus Ambient Air Temperature At Stable Box Temperature

Figure 6-34. R-134a Compressor Pressure and Motor Current Curves Versus Ambient Temperature

6-37

T-268-07

SECTION 6

Image 131

Carrier 69NT40-521, 69NT40-511-199 manual 35F 1.7C Box 0F --17.8C Box, Ambient Air Temperature, 35 F 1.7 C Box 17.8 C Box

Contents

Container Refrigeration Unit Operation Container Refrigeration Unit Models Safety-1 268-07 General Safety NoticesOperating Precautions Maintenance Precautions Specific Warning and Caution Statements Safety-2 Table of Contents Operation Iii 268-07 Section Service List of Illustrations 27 Suction Solenoid Valve SSV -- Alco List of Tables Introduction Section Introduction Model Model Chart Transformer Humidity Sensor TransFresh PID 69NT40-511-58 69NT40-511-71 69NT40-511-95 69NT40-521-10 Refrigeration Unit -- Front Section General Description Evaporator Section Refrigeration Unit -- Rear Panels Removed 1011 Compressor Section Condenser Section 268-07 Condenser Section 1716 Receiver Section Units with Water-Cooled Condenser Water-Cooled Condenser Section Optional 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 190/230 vac Power Supply Power Autotransformer OptionalStep-Up Power Autotransformer To Operate Unit on 380/460 vac Power Supply Air Sampling for Carbon Dioxide CO2 Level Upper Fresh AIR Makeup VentFull Open or Closed Positions Lower Fresh AIR Makeup Vent Optional 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 Remote Monitoring Optional Suction Solenoid ValveOperation Suction Solenoid Override Unsafe Condition Safety Device Device Setting Safety and Protective DevicesSafety and Protective Devices Micro-Link 2i Controller/DataCORDER Module Brief Description MICRO-LINK 2i Controller Module Controller Programming Memory Cards Procedure for loading softwareConfiguration Software Operational Software Configuration Title Default Option Number Controller Configuration Variables KEY Function General Layout of the Controller Section Display Module Inapplicable Functions Display Controller Function CodesController Function Code Assignments Code Title Description 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 Condenser Pressure Control CPC Controller Temperature Control 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 Seconds Component Normal Logic Crel 3 minutes Seconds Minutes Component Normal LogicCrel Addition, the test will fail if Addition, this test is skipped if Fail Integrated Datacorder Optional Setting Factory Default ConfigurationDataCORDER Configuration Code # Title Description DataCORDER Function Codes DataCORDER Alarms DataCORDER Alarm Indications Access to DataCORDER Functions DataCORDER Alarm Configurations Description Selection DataCorder Standard Configuration Description Tion Generic ModeStandard Mode Pre-Trip Data Recording USDA/ Message Trip CommentUsda Recording DataCORDER Scrollback Usda Cold Treatment Procedure Test # Title Data 10. DataCORDER Pre-Trip Data Standard Configuration Report Sample AIR Falling Rising TemperatureCooling SET Point YES Step Compressor Cycles OFF PRE-TRIP Inspection Before Starting Operation Unit Operation Units equipped with the integrated DataCORDERStarting and Stopping Instructions After Starting Inspection Cooling in High Speed with Two-Speed Compressor See Figure Defrost indicator will remain on throughout this periodProbe Check Controller Set Above --10C +14F, or --5C +23F optionally 268-07 Cooling in High Speed with Two-Speed Compressor Control Transformer 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 Two-Speed Compressor Holding Zone Holding Zone Unit Operates Long or Continuously in Cooling Unit Runs but has Insufficient 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 WATER-COOLED Condenser or Water Pressure Switch Power Autotransformer Malfunction Closed Manifold Gauge SETOpened Removing the Manifold Gauge Set Blue Knob To Discharge Service orPort Blue Hose Refrigerant Leak Checking Suction and Discharge Service ValvesPumping the Unit Down Refrigerant Charge Evacuation and Dehydration 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 Exploded View of Valve Plate Jack here Low Profile Gear Oil Pump Oil Pump and Bearing Head 11. Crankshaft Assembly Compression Rings Compressor Reassembly To Check the Oil Level in the Compressor Adding Oil to Service Replacement CompressorIf compressor is without oil Compressor OIL Level FILTER-DRIER High Pressure SwitchTo Check Filter-Drier To Replace Filter-Drier To Replace the Evaporator Coil To Replace the Evaporator Fan AssemblyTo disassemble the Evaporator Fan Assembly Removing the capacitor To assemble the Evaporator Fan AssemblyWhen to check for a defective capacitor Evaporator FAN Motor Capacitors Condenser Coil Condenser FAN and Motor AssemblyCapacitor analyzer To Replace Condenser Coil Unit Off OhmmeterUnit Running Calibration BatteryTo replace the recording thermometer element Saginomiya Recording Thermometer Replacing Sensor Probe Maintenance of Painted SurfacesPower Autotransformer Optional Sensor Checkout Procedure AMBS, DTS, RRS, RTS, SRS & STS OLD Style Probe Holder RTS or STSRRS or SRS Replacing Sensor STS and SRS Replacing Sensor RRS and RTS Sensor Mm 1-5/8 inches 35 mm 1/4 inchSensor Cable Heat Shrink Large Heat Shrink Tubing Sensor Crimp Fitting Heat Shrink Crimp FittingTubing Ambs or DTSReplacing Sensor Ambs or DTS Sensor 25.4 mm 1.0 inch Mounting Stud 35mm 1/4 inch Replacing Valve Internal Parts -- Alco See Figure Coil Checkout ProcedureSuction Solenoid Valve SSV Replacing the Coil Removing Expansion Valve See Figure Ambient Temperature Cold CoilTo Replace Valve Thermostatic Expansion Valve To Measure Superheat Installing Expansion Valve Handling of Controller/DataCORDER Removing and Installing the Controller/DataCORDER ModuleRemoval CONTROLLER/DATACORDER Controller/DataCORDER Programming Procedure InstallationProcedure for loading Operational Software Procedure for loading Configuration Software What You Will Need Summary of Procedure Pump Fine mesh Support Screen Detailed ProcedureReturn Ambs and DTS Partlow Bulb Temperature-Resistance ChartTemperature Resistance Ohms What You Can Do For Further Help Wear Limits For Compressors Recommended Bolt Torque ValuesBolt DIA Threads Torque MKG Free Spinning Nonfree Spinning Locknuts ETC Compressor Torque Values Temperature Pressure 0F --17.8C Box 35F 1.7C 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-1 268-07 Index Index-2 Index-3 268-07 Index-4 Index-5 268-07 Index-6