Carrier TRANSICOLD 69NT40-489 Operation And Service
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Carrier TRANSICOLD 69NT40-489 Operation And Service

Contair refrigeration unit
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T-259 Rev F
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Summary of Contents for Carrier TRANSICOLD 69NT40-489

  • Page 1 Model 69NT40-489 T-259 Rev F Downloaded from ManualsNet.com search engine...
  • Page 2 OPERATION AND SERVICE MANUAL CONTAINER REFRIGERATION UNIT MODEL 69NT40-489 Carrier Transicold Division, Carrier Corporation, P .O. Box 4805, Syracuse, N.Y. 13221  Carrier Corporation 1995 D Printed in U. S. A. 1195 Downloaded from ManualsNet.com search engine...

  • Page 3: Table Of Contents

    TABLE OF CONTENTS Section Page DESCRIPTION ............Introduction .
  • Page 4 TABLE OF CONTENTS (CONTINUED) Section Page Abnormal Pressures (Cooling) ..........Abnormal Noise or Vibrations .
  • Page 5 LIST OF ILLUSTRATIONS Figure Page Refrigeration Unit --- Front ..........Refrigeration Unit --- Rear (Panels Removed) .
  • Page 6 5-16 Electrical Schematic --- Models 69NT40-489-5,-489-9 --- Prior to Serial # 90234597 5-18 5-10 Electrical Wiring Diagram --- Models 69NT40-489-5,-489-9 --- Prior to Serial # 90234597 5-20 5-11 Electrical Schematic --- Model 69NT40-489-6,-489-75 ......
  • Page 7 LIST OF TABLES Table Page Model Chart ............Compressor Model Number Significance Chart .

  • Page 8: Description

    OFF and disconnecting power plug. The unit is complete with a charge of R-134a, Some units are equipped with a Carrier Transicold compressor lubricating oil (approved POE SW20 DataCorder (microprocessor based recorder). Detailed compressor oil for R-134a only), mode indicating lights,...

  • Page 9: Model Chart

    Models listed below may or may not include certain components (i.e., Transformer, DataCorder, Battery Packs for the Controller or DataCorder, Temperature Recorder), it will be up to the end user to ascertain if their unit model includes these components. UNIT R-134a WEIGHT MODELS MODELS 69NT40-489 1265 11.5 69NT40-489-1 1265 11.5 69NT40-489-2 1265 11.5...
  • Page 10 Table 1-1. Model Chart (Continued) UNIT R-134a WEIGHT MODELS MODELS 69NT40-489-66 1250 11.5 69NT40-489-67 1235 11.5 69NT40-489-68 1385 11.5 69NT40-489-69 1385 11.5 69NT40-489-70 1250 11.5 69NT40-489-71 1250 11.5 69NT40-489-75 1310 11.5 69NT40-489-77 1385 11.5 69NT40-489-78 1220 11.5 69NT40-489-79 1385 11.5...
  • Page 11 1. Access Panel (Evap. Fan Motor #1) 8. Compressor Sight Glass View Port 2. Access Panel 9. Serial/Model No. Plate (Heater & Thermostatic Expansion Valve Location) 10. Power Cable(s) and Plug(s) (See Figure 1-2) 11. Condenser Fan Motor (CM) 3. Fork Lift Pockets 12.

  • Page 12: Refrigeration Unit

    1. Evaporator Fan Motor #1 (EM1) 10. Evaporator Coil 2. Thermostatic Expansion Valve 11. Drain Pan Heater (DPH) 3. Humidity Sensor (HS) --- Optional 12. USDA Probe Receptacle (PR3) 4. Return Recorder Sensor (RRS) --- Optional 13. USDA Probe Receptacle (PR1) 5.

  • Page 13: Receiver And Tubing Section

    1. Discharge Pressure Regulator Valve 10. Fusible Plug or 2. Suction Modulation Valve (SMV) Rupture Disc 3. Condenser Pressure Control (CPC) --- Optional (if equipped w/Water-Cooled Condenser) 4. Suction Solenoid Valve (SSV) 11. Receiver Sight Glasses 5. Quench Expansion Valve 12.

  • Page 14: Control Box

    UNITS WITH SINGLE-SPEED EVAPORATOR MOTORS UNITS WITH DUAL-SPEED EVAPORATOR MOTORS 1. Heat Contactor (HR) 10. Keypad 2. Evaporator Fan Motor Contactor (EF) 11. Start-Stop Switch (ST) 3. Circuit Breaker (CB-1) --- 460V 12. Manual Defrost Switch (MDS) *4. Circuit Breaker (CB-2) --- 230V --- Optional 13.

  • Page 15: Control Box

    UNITS WITH SINGLE-SPEED EVAPORATOR MOTORS UNITS WITH DUAL-SPEED EVAPORATOR MOTORS 1. Evaporator Fan Motor Contactor (EF) 10. Start-Stop Switch (ST) 2. Circuit Breaker (CB-1) --- 460V 11. Manual Defrost Switch (MDS) *3. Circuit Breaker (CB-2) --- 230V --- Optional 12. Remote Monitoring Receptacle (RM) --- Optional (See Figure 1-6 for excepted location) 13.

  • Page 16: Power Autotransformer Options

    Dual Voltage Integral Transformer Dual Voltage Evaporator Transformer Dual Voltage Modular Transformer 1. Dual Voltage Integral Transformer --- Optional 4. Circuit Breaker (CB-2) --- 230V --- Optional 2. Dual Voltage Evaporator Transformer --- Optional 5. 460 VAC Power Receptacle 3. Dual Voltage Modular Transformer --- Optional Figure 1-6.

  • Page 17: General Description

    1.2 GENERAL DESCRIPTION is either heated or cooled, and then discharged out the bottom of the refrigeration unit into the container. a. Compressor Section Some units are equipped with two-speed evaporator NOTE fan motors. Refer to Table 1-1. When transporting Check the compressor Serial/Model Number perishable (chilled) commodities, the fan motors will plate for CFM displacement, refer to Table 1-2.

  • Page 18: Electrical Data

    l. Water Pressure Switch (Optional) Rotation: Evap. Fan Motor #1 (See Figure 1-2): CW when viewed from shaft end Cut-In: 0.5 ¦ 0.2 kg/cm@ (7 ¦ 3 psig) CCW when viewed from end opposite shaft end Cutout: 1.6 ¦ 0.4 kg/cm@ (22 ¦ 5 psig) Evap.

  • Page 19: Refrigeration Circuit

    circuit breaker CB-2, and a receptacle to accept the unit 1.6 REFRIGERATION CIRCUIT 460 VAC power plug. Starting at the compressor, the suction gas is The evaporator transformer (item 2) is permanently compressed to a higher temperature and pressure. installed and provides 380/460 VAC power to single When operating with the air-cooled condenser, the voltage (two-speed) evaporator fan motors when the unit gas flows through the discharge service valve into the...

  • Page 20: Refrigeration Circuit

    1. Suction Service Valve 11. Manual Liquid Line Valve 2. Discharge Service Valve 12. Moisture-Liquid Indicator 3. Discharge Pressure Regulator Valve 13. Filter-Drier 4. Air-Cooled Condenser 14. Sight Glass 5. Evaporator 15. Receiver or 6. Thermostatic Expansion Valve Water-Cooled Condenser 7.

  • Page 21: Safety And Protective Devices

    Table 1-3. Safety and Protective Devices UNSAFE CONDITIONS SAFETY DEVICES DEVICE SETTING 1. Excessive current draw 1. Circuit Breaker (CB-1) --- 1. Trips at 29 amps (460 VAC) Manual Reset 1. Circuit Breaker (CB-2) --- 1. Refer to paragraph 1.4.a Manual Reset 2.

  • Page 22: Remote Monitoring (Optional)

    The operator may adjust the opening to increase or 1.11 WATER-COOLED CONDENSER decrease the air flow volume to meet the required air (OPTIONAL) flow. The water-cooled condenser is used when cooling b. Air Sampling for Carbon Dioxide (CO2) Level water is available and heating the surrounding air is Loosen wing nuts and move cover until the arrow on objectionable, such as in a ship’s hold.

  • Page 23: Micro-Link 2 Controller Module

    Controller is powered up and executing code. The LEDwill be off when power is off. The LED will pulse at a The Carrier Transicold Micro-Link 2 controller is a one second rate if code is being executed. custom-designed microprocessor based module which incorporates electronic logic to: 1.12.2 Controller Programming (Memory) Cards...

  • Page 24: Configuration Variables

    Configuration Software: a. A Controller module has an older version of Opera- tional Software, and the need exists to upgrade to a newer This is the software that tells the Operational Soft- version of the software. ware what physical components are built into the con- b.

  • Page 25: General Layout Of The Controller Section

    1.12.3 General Layout of the Controller Section Table 1-5. Keypad Function The Micro-Link 2 controller consists of a keypad, Function display module and a controller module. Connectors are Change set point upward. Change codes used to attach the wiring of the unit to the controller upward.

  • Page 26: Controller Temperature Control

    The display module (see Figure 1-10) is mounted at a below ---10_C (+14_F) or ---5_C (+23_F) optionally and 20 degree downward tilt to aid in visibility when stacked the Perishable range is active at set points above ---10_C in close quarters. The display module consists of: (+14_F) or ---5_C (+23_F) optionally.
  • Page 27 The controller logic is designed so the suction coil. Removing water from the air reduces the relative hu- modulation valve will begin to close as the set point is midity. When the relative humidity sensed is 2% below reached. The modulation valve will close to restrict the set point (Code 33), the controller de-energizes the refrigerant flow until the capacity of the unit and the load heat relay.

  • Page 28: Controller Function Codes

    algorithm. If the unit is not equipped with dual speed compressor is cycled off. When the temperature is evaporator fans, then economy mode perishable will greater than 0.2_C (0.4_F) above the set point and the 3 perform exactly the same as the normal control mode. minute time delay has been met, the compressor will restart.

  • Page 29: Figure

    Code 01 --- Modulation Valve Opening (%) Code 10 --- Compressor Suction Temperature --- Optional The suction modulation valve (SMV) is a normally Measured just prior to the compressor suction open valve which restricts flow of refrigerant to the service valve, the compressor suction temperature is a compressor when energized by a pulse width modulated display only temperature.
  • Page 30 (50_F), the interval timer countdown begins. The inter- which the Controller is configured (i.e., if the unit is a val timer is reset if the return sensor temperature rises 69NT40-489-62, the display will show 0062). above 25.6_C (78_F). (See section 2.4.4.) Defrost Interval Timer Value Option: Code 21, 22, &...
  • Page 31 Code 29 --- Failure Action (Code) When the mode is activated, the control probe LED flashes on and off every second to alert the user. If all of the control sensors are out of range (AL26) or Code 34 --- Economy Mode --- Optional there is an AL27 failure, the unit will enter the shutdown state defined by the failure action.

  • Page 32: Controller Alarm Indications

    up to 16 alarms in the sequence in which they occurred. units. The alarm will stay active until the transformer When accessing the alarm list, an “IA” or an “AA” will protector resets. appear to the left of the alarm code number. The “IA” Alarm 24 --- Compressor Motor Safety indicates an Inactive Alarm;...
  • Page 33 This alarm triggers the failure action code set by If Alarm 55 is set and the secondary supply is the Code Cd29. control sensor, the the primary return sensor will be used for control. Alarm 27 --- Probe Circuit System Calibration Failure Alarm 56 --- Primary Return Air Sensor Failure The controller has a built-in A/D (Analog to Digital) Alarm 56 is set by an invalid primary return sensor...

  • Page 34: Pre-Trip Diagnostics

    Alarm 63 --- Current Over Limit NOTE The left display of the Refrigeration Controller Alarm 63 is triggered within the current limiting will alternately display P-CA and set point for system. If the compressor is ON and current limiting units with the CTD Controlled Atmosphere procedures cannot maintain a current level below the (CA) option (refer to Table 1-1).

  • Page 35: Pre-Trip

    Table 1-8. Pre-Trip Test Codes For Revision Level 1014 and above: Auto 1, Auto 2 (Optional), P1, P2, P3, P4, P5, TEST CODE DESCRIPTION P6, P7, P8, P9, P10, rSLts If the pre-trip was last executed manually since Pre-Trip Initiated power up, the last menu selection will appear on the left P1-0 Heaters Turned On...

  • Page 36: Pre-Trip Mode

    suspended in this mode until the user depresses the P3-0 --- Low Speed Evaporator Fan On Test ENTER key. Setup: The low speed Evaporator Fan is turned on, a c. Auto Test Operation From Serial Communications current draw test is done after sixty (60) seconds. Pass/Fail Criteria: Passes if change in current draw is Pre-trip may also be initiated via communications.
  • Page 37 P6-2 --- Suction Modulation Valve (Open) Test Ambient sensor (AMBS). Otherwise, the test fails if: Setup: The Suction modulation valve is opened to 100 % unless restricted by current limit function, and the High pressure switch (HPS) fails to open within unit is run for two minutes.
  • Page 38 recording, the test passes. If temperature is outside of the P10-1 --- Frozen Mode (Pull Down) Test tolerance range at the DataCorder recording, the test Setup: When the container temperature is greater fails. than or equal to the 45_F. set point which was set in the P9-0 --- Defrost Test frozen mode heat test, the left display will read “P101”, the right display will show the return air temperature, and...

  • Page 39: Datacorder Module (Optional)

    DataCorder Battery Low (Battery Pack) static safe wrist strap. DataCorder S/W Upgrade Carrier Transicold has developed a recorder, which Data Retrieval we have termed the “DataCorder”, in a self-contained Defrost Start...

  • Page 40: Datacorder Programming (Memory) Cards

    Bulb Mode Start 1.14.3 Functions Bulb Mode End To access the DataCorder functions codes or alarms, first press the ALT. MODE key, then press the applicable 1.14.2 DataCorder Programming (Memory) Cards key for functions (CODE SELECT) or alarms (ALARM LIST). The programming cards are used for loading soft- ware into the DataCorder.
  • Page 41 d. DataCorder Diagnostics Standard Mode: The standard recording mode allows the user to The DataCorder start up diagnostics processing will configure the DataCorder to monitor data using one of 8 occur each time there is a power up or after a hardware standard configurations.

  • Page 42: Status Led's

    The DataCorder contains an 8 alarm history queue Timer Test which will contain the first 8 alarms detected by the Programmable Timers Test DataCorder. The alarms and their corresponding alarm Analog to Digital Converter Test codes are specified in Table 1-10. The alarm queue will be located in memory (EEPROM).

  • Page 43: Datacorder Function Code Assignments

    Code dC 26, 27 --- S/N, Left 4, Right 4 Table 1-9. DataCorder Function Code Assignments CODE DESCRIPTION The DataCorder serial number consists of 8 charac- ters. Code 26 contains the first 4 characters. Code 27 (Inapplicable Functions Display - - - - - - - - ) contains the last 4 characters.

  • Page 44: Usda/Message Trip Comment

    DataCorder via receptacles located at the rear There are technical difficulties within the DataCord- left-hand side of the unit. Four (Five, on some units) er module, contact your local Carrier Transicold Field receptacles are provided. Four (three pin) are for the Service Representative.

  • Page 45: Pre-Trip Data Recording

    1.14.9 Pre-Trip Data Recording from the Temperature Controller. The data is time stamped and may be extracted via interrogation using a Some units come equipped with the ability to record CTD MS---DOS based interrogation program. See pass/fail information along with unit data resulting from Table 1-12 for a description of the data stored in the the initiation of pre-trip (see section 1.13.2).

  • Page 46: Usda Cold Treatment Procedure

    1.14.10 DataCorder Communications Placement of probes --- there are three probes required for a USDA cold treatment procedure. a. DataCorder Retrieval --- Interrogation Data retrieval from the DataCorder can be Sensor 1 Place in pulp of the product located next accomplished with two devices: (1) a stand-alone DOS to the return air intake.

  • Page 47: Humidity Control (Optional)

    1.16 HUMIDITY CONTROL (OPTIONAL) 5. Container relative humidity is above 2% of code Cd33 setting. NOTE If all 5 factors are met, the humidity control circuit The supply air must be in-range for the humidity energizes the heaters and heat light. circuit to energize.

  • Page 48: Standard Configuration Report Sample

    CONTAINER ABCDXXXXXXX ON 08Jul 94 FROM 15Apr94 TO 17Apr94 (DEGREES C) PAGE: 1 HEADER INFORMATION DataCorder SN: XXXXXXXX ALARMS REPORT ALARM NUM FIRST ACTIVE LAST ACTIVE CONTROLLER ALARMS: 17Apr94 03:28 17Apr94 16:13 DataCorder ALARMS No Alarms Reported USDA SUMMARY DATE: 15Apr94 23:49 Trip Start LEGEND Setpoint Change Defrost Start...

  • Page 49: Controller Set Point Below

    FALLING RISING TEMPERATURE TEMPERATURE +1.5 C (2.7 C (1.8 COOLING COOLING +0.5 C (0.9 +.20 SET POINT ---0.20 ---0.5 C (0.9 ---1 C (1.8 CIRCULATION CIRCULATION ONLY ONLY ---1.5 C (2.7 NOTE For In-range Tolerance, Refer to section 1.12.5 Code 30. For Economy Mode refer to section 2.4.5.

  • Page 50: Operation

    SECTION 2 OPERATION 2.1 PRE-TRIP INSPECTION (Before Starting) Start refrigeration unit. (Refer to section 2.3.) 2.2 STARTING AND STOPPING INSTRUCTIONS WARNING CAUTION Beware of unannounced starting of the evaporator and condenser fans. Make sure that the unit circuit breaker(s) (CB-1 &...
  • Page 51 evaporator fan motors continue to run to circulate air throughout the container. When the return air temperature increases to 0.2_C (0.4_F) above set point, and providing a sufficient off time period has elapsed, relays TC and TN energizes to restart the compressor and condenser fan motor.

  • Page 52: 5_C (+23_F) Optionally

    point. The modulating valve will have a variable current relay TH is electronically locked out to prevent heating up to 1.30 amps at full modulation. when the controller set point is below ---10_C (+14_F) or ---5_C (+23_F) optionally. During this cooling mode, a running sum of the temperature differential (supply air temperature --- set If the air temperature decreases 0.5_C (0.9_F) below point) is kept.

  • Page 53: Heating Mode

    CONTROL TRANSFORMER = 18 Volt Energized Circuit = 24 Volt Energized Circuit = De-energized Circuit Figure 2-2. Heating Mode Downloaded from ManualsNet.com search engine...

  • Page 54: Defrost

    2.4.4 Defrost (See Figure 2-3.) When the coil temperature reaches 25.6_C (78_F) defrost termination sensor (DTS) causes the controller NOTE to interrupt the defrost cycle and the unit returns to its Unit will not initiate defrost if the CTD normal function. Controlled Atmosphere (CA) option is in the NOTE Vent or Pre-Trip mode.

  • Page 55: Economy

    2.4.5 Economy (See Figure 2-4.) point. The modulating valve will have a variable current up to 1.30 amps at full modulation. NOTE During this cooling mode, a running sum of the temperature differential (supply air temperature --- set Setting the controller above ---10_C (+14_F) point) is kept.

  • Page 56: Defrost

    Table 2-1. Electrical Control Positions --- BELOW --- 10_C (+14_F) or ---5_C (+23_F) optionally CONTROL CIRCUIT COOLING HEATING DEFROST HOLDING ZONE **Dehumidification Compressor Contactor (C) Energized De-energized De-energized Condenser Fan Motor Energized De-energized De-energized Contactor (CF) Single Speed Evaporator Motor Energized Energized De-energized...

  • Page 57: Troubleshooting

    SECTION 3 TROUBLESHOOTING INDICATION/ REFERENCE TROUBLE POSSIBLE CAUSES SECTION 3.1 UNIT WILL NOT START OR STARTS THEN STOPS No power to unit External power source OFF Turn on Start-Stop switch OFF or defective Check Circuit breaker tripped or OFF Check Modular transformer not connected 4.22 Loss of control power...

  • Page 58: Unit Will Not Heat Or Has Insufficient Heating

    INDICATION/ REFERENCE TROUBLE POSSIBLE CAUSES SECTION 3.4 UNIT WILL NOT HEAT OR HAS INSUFFICIENT HEATING No power to unit Start-Stop switch OFF or defective Check Circuit breaker OFF or defective Check External power source OFF Turn on No control power Circuit breaker or fuse defective Replace Transformer defective (TR)

  • Page 59: Abnormal Pressures (Cooling)

    INDICATION/ REFERENCE TROUBLE POSSIBLE CAUSES SECTION ABNORMAL PRESSURES (COOLING) High discharge pressure Condenser coil dirty 4.17 Condenser fan rotating backwards 4.18 Condenser fan inoperative 4.18 Refrigerant overcharge or noncondensibles Discharge pressure regulator valve Replace Low suction pressure Suction service valve partially closed Open Filter-drier partially plugged 4.12...

  • Page 60: Thermostatic Expansion Valve Malfunction

    INDICATION/ REFERENCE TROUBLE POSSIBLE CAUSES SECTION 3.11 THERMOSTATIC EXPANSION VALVE MALFUNCTION Low suction Low refrigerant charge 4.4/4.6 pressure with high External equalizer line plugged Open superheat Wax, oil or dirt plugging valve or orifice 4.26 Ice formation at valve seat 4.4/4.6 Superheat too high 4.26.c...

  • Page 61: Service

    SECTION 4 SERVICE NOTE To avoid damage to the earth’s ozone layer, use a refrigerant recovery system whenever removing refrigerant. When working with refrigerants you must comply with all local government environmental laws, U.S.A. EPA section 608. 4.1 MANIFOLD GAUGE SET NOTE The manifold gauge set can be used to determine system If a manifold gauge set is new or was exposed to the...
  • Page 62 To Suction Service Port To Discharge Service or Manual Liquid Line Ports Blue Hose Red Hose Red Knob Blue Knob Yellow Hose Manifold Gauge Set High Side Field Service Low Side Service Port Hose Fitting (0.500-16 Acme) Coupling (SAE J639 Male) Refrigeration or Evacuation Low Side Field Service Hoses (SAE J2196/R-134a)

  • Page 63: Suction And Discharge Service Valves

    4.2 SUCTION AND DISCHARGE SERVICE VALVES NOTE The suction and discharge service valves used on the The unit may need to be cycled several times to compressor are equipped with mating flanges for achive this reading. connection to flanges on the compressor. These valves are Frontseat (close) the suction service valve and the provided with a double seat and a gauge connection, which refrigerant will be trapped between the compressor suction...

  • Page 64: Procedure

    Essential tools to properly evacuate and dehydrate any REFRIGERANT CHARGE system include a vacuum pump (8 m H = 5 cfm volume 4.6.1 Checking the Refrigerant Charge displacement, P/N 07-00176-01) and electronic vacuum NOTES gauge. Set the controller set point to ---25_C (---13_F) to If possible, keep the ambient temperature above ensure that the suction modulation valve is fully 15.6_C (60_F) to speed evaporation of moisture.
  • Page 65 Fully backseat (to close off gauge port) the suction Partially frontseat (turn clockwise) the suction service service valve (see Figure 1-3) and remove the service port valve and slowly add charge until the refrigerant appears at cap. the proper level (refer to section 4.6.1). d.

  • Page 66: Compressor

    Refrigerant Recovery Unit Vacuum Pump Suction Service Valve Refrigerant Cylinder Electronic Vacuum Gauge Compressor Evacuation Manifold (R-134a) Manual Liquid Line Valve Discharge Service Valve Hand Valve Condenser Coil Evaporator Coil Figure 4-4. Vacuum Pump Connections Downloaded from ManualsNet.com search engine...

  • Page 67: Oil Pump

    4.7 COMPRESSOR MODEL 06DR REPLACEMENT NOTES (See Figure 4-5.) 1. Check the compressor Serial/Model Number WARNING plate for CFM displacement, refer to Table 1-2. Make sure power to the unit is OFF and power 2. The compressor should not operate in a vacuum plug disconnected before...

  • Page 68: Compressor Disassembly

    o. Install mounting bolts in service valves and torque to a value of 2.77 to 4.15 mkg (20-30 ft/lb). p. Install a new filter-drier. (Refer to section 4.12) q. Evacuate and Dehydrate per section 4.5 Add refrigerant to system per section 4.6.2 Start unit and check refrigerant charge.

  • Page 69: Oil Pump And Bearing Head

    If it was determined that the oil pump was not operating properly, the entire oil pump and bearing head assembly must be replaced. Replacement parts for the pump are not available. To remove the oil pump. Remove eight capscrews, oil pump bearing head assembly, gasket and thrust washer.

  • Page 70: Compressor Reassembly

    1. Equalizer Tube and Lockscrew Assembly 1. Suction Valve 2. Lockwasher 2. Suction Valve Positioning Spring 3. Counterweight --- Motor End 3. Valve Plate Dowel Pin Figure 4-12. Removing Equalizing Tube and Lock Figure 4-14. Suction Valve & Positioning Springs Screw Assembly a.

  • Page 71: Compressor Oil Level

    CAUTION crankcase. The pump should mount flush with the crankcase and should be oriented as shown in Use only Carrier Transicold approved Polyol Ester Figure 4-16. Oil (POE) --- Castrol-Icematic SW20 compressor oil with R-134a. Buy in quantities of one quart or Align the gasket and install the eight capscrews in the smaller.

  • Page 72: Moisture-Liquid Indicator

    3. Turn unit off to check the oil level. The correct discharge service valve and slowly bleed remaining oil level range should be between the bottom to 1/8 of the refrigerant. sight glass. If the level is above 1/8, oil must be removed 3.

  • Page 73: High Pressure Switch

    After unit is in operation, inspect for moisture in 4.14 EVAPORATOR COIL AND HEATER ASSEMBLY system. (Refer to section 4.11.) The evaporator section, including the coil, should be cleaned with fresh water or steam, preferably. Another 4.13 HIGH PRESSURE SWITCH recommendation is to use Oakite 202 or similar cleaner 4.13.1 Replacing High Pressure Switch following manufacturer’s instructions.

  • Page 74: Evaporator Coil Heaters

    4.18 CONDENSER FAN AND MOTOR ASSEMBLY WARNING Do not open condenser fan grille before turning power OFF and disconnecting power plug. NOTE The replacement motor should be degreased 10.79 CM and sprayed with a coat of Tectyl before (4.25 INCHES) installing in unit.

  • Page 75: Refrigeration Unit

    2. Note reading of meter and using Table 4-2, element sensing bulb. To properly check the temperature convert resistance to temperature. of the recorder, the element sensing bulb should be stabilized at a temperature of 0_C (32_F). This is CAUTION accomplished by using one of the two following methods, inside mechanism...

  • Page 76: Recording Thermometer (Saginomiya)

    The element flange contains three O-rings. Care 5. Rotate the adjustment screw counterclockwise should be taken to install the new element flange without to set the stylus about 0.5_C (0.9_F) higher than set damaging the O-rings. It is possible for a mercury leak to temperature.

  • Page 77: Power Autotransformer (Optional)

    the refrigeration unit from the highly corrosive sea Due to the variations and inaccuracies in atmosphere or if the protective paint system is scratched ohmmeters, thermometers or other test equipment, a or damaged, clean area to bare metal using a wire brush, reading within 2% of the chart value would indicate a emery paper...

  • Page 78: Checking Sensor (Ambs Or Dts)

    Slip crimp fittings over dressed wires (keep wire Sensor 25.4 mm (1.0 inch) colors together). Make sure wires are pushed into crimp fittings as far as possible and crimp with crimping tool. h. Solder spliced wires with a 60% tin and 40% lead Rosincore solder.

  • Page 79: Suction Modulation Valve

    3. Remove enclosing tube collar (item Figure 4-25) using installation/removal tool supplied with repair kit (item 3). 4. Check plunger for restriction due to: Corroded or worn parts; (b) Foreign material lodged in valve; (c) Bent or dented enclosing tube. 5.

  • Page 80: Thermostatic Expansion Valve

    4. Plug in the connector for the modulation valve. a. Removing Expansion Valve (See Figure 4-27) NOTE A cold coil is a coil which had not been operating and is assumed to be at ambient temperature. Hot coils, taken after the unit has been operating in deep modulation for a long period of time, may give higher resistance readings.

  • Page 81: Evaporator Fan Motor Capacitors (Optional)

    a. When to check for a defective capacitor 1. Fan motor will not change speed. For example: controller settings above ---10_C (+14_F) should cause the motor to run in high speed. Controller settings below ---10_C (+14_F) should cause the motor to run in low speed. 2.

  • Page 82: Controller And Datacorder

    4.28 CONTROLLER AND DATACORDER a. Handling of Controller and DataCORDER Here is a list of guidelines that should be followed when handling the Controller or DataCORDER modules. These steps should be implemented when replacing either module, when doing any arc welding on the unit, or when service to the refrigeration unit requires handling and removal of the Controller.

  • Page 83: Controller Programming Procedure

    “489XX” on the right LCD display. “XX” will indicate connectors. the dash number for a given unit model number (i.e., For the unit 69NT40-489-62, the left display will show “nt40” 4.28.1 Controller Programming Procedure and the right display will show “48962”.) To load new software into the Controller module, the (2.) If a defective card is being used: the...

  • Page 84: Datacorder Programming Procedure

    4.28.2 DataCORDER Programming Procedure 4.28.3 Controller Trouble-Shooting To load new software into the DataCORDER A group of test points (tp) is provided on the Controller module, the programming card is inserted into the (see Figure 4-29, item 3) for trouble-shooting electrical programming/software port.

  • Page 85: Water-Cooled Condenser

    4.29 WATER-COOLED CONDENSER NOTE The water-cooled condenser is of the shell and coil When Oakite compound No. 32 is being used for type with circulating water through the cupro-nickel coil. the first time, the local Oakite Technical Service The refrigerant vapor is admitted to the shell side and is representative should be called in for their condensed on the outer surface of the coil.

  • Page 86: Water-Cooled Condenser Cleaning

    6. Allow the Oakite No. 32 solution to soak in the tube Fill condenser with coils for several hours, periodically pump-circulating it cleaning solution. Do with an acid-proof pump. not add solution more rapidly than vent can An alternate method may be used, whereby a bottle exhaust gases caused (See Figure 4-31) filled with the solution and attached to by chemical action.

  • Page 87: Temperature-Resistance Chart

    Table 4-1. AMBS, DTS, RRS, RTS, SRS and STS Table 4-2. Partlow Bulb Temperature-Resistance Chart Temperature-Resistance Chart TEMPERATURE RESISTANCE Temperature Temperature Resistance (OHMS) ˚F ˚C Centigrade Fahrenheit (Ohms) ---10 ---23.3 12561.00 RRS, RTS, SRS and STS: ---5 ---20.6 10579.70 32,650 ± 91 ---17.8 8944.17 10,000 ±...

  • Page 88: Wear Limits For Compressors

    Table 4-4. Wear Limits For Compressors MAXIMUM WEAR MAXIMUM WEAR FACTORY MAXIMUM FACTORY MAXIMUM FACTORY MINIMUM FACTORY MINIMUM BEFORE REPAIR PART NAME PART NAME INCHES INCHES INCHES MAIN BEARING Main Bearing Diameter 1.6268 41.3207 .0020 0.0508 Main Bearing Journal Diameter 1.6233 41.2318 .0020...

  • Page 89: Compressor Torque Values

    Table 4-5. Compressor Torque Values TORQUE RANGE TORQUE RANGE SIZE USAGE USAGE DIAMETER THREADS FT LB FT-LB (INCHES) PER INCH 1/16 27 (pipe) 8 --- 12 1.11 --- 1.66 Pipe Plug --- Crankshaft 20 (pipe) 6 --- 10 0.83 --- 1.38 Oil Return Check Valve --- Crankcase 20 (pipe) 20 --- 25...
  • Page 90 Table 4-6. Temperature-Pressure Chart --- R-134a BOLD FIGURES = Inches Mercury Vacuum (cm Hg Vac) LIGHT FIGURES = psig (kg/cm@) TEMPERATURE PRESSURE TEMPERATURE PRESSURE ˚F ˚C Psig Kg/cm ˚F ˚C Psig Kg/cm 14.6 37.08 -- .49 ---40 ---40 ---1 26.1 1.84 1.80 ---35...

  • Page 91: R-134A Compressor Pressure

    Note: Curves to be used as troubleshooting guide only for model series 69NT40-489 with fresh air makeup vent closed, unit powered on 460vac/60hz and SMV 100% open. (Bar) psig (Bar) psig (22.0) (22.0) (20.7) (20.7) (19.3) (19.3) (17.9) (17.9) 35_F (1.7_C) Box (16.6)

  • Page 92: Electrical Wiring Schematic And Diagrams

    CAUTION Use only Carrier Transicold approved Polyol Ester Oil (POE) --- Castrol-Icematic SW20 compressor oil with R-134a. Buy in quantities of one quart or smaller. When using this hygroscopic oil, immediately reseal. Do not leave container of oil open or contamination will occur.
  • Page 93 Figure 5-1. Electrical Schematic --- Models 69NT40-489,-489-11 & (Model 69NT40-489-1 --- Prior to Serial # 90234597) (Sheet 1 of 2) Downloaded from ManualsNet.com search engine...
  • Page 94 Figure 5-1. Electrical Schematic --- Models 69NT40-489,-489-11 & (Model 69NT40-489-1 --- Prior to Serial # 90234597) (Sheet 2 of 2) Downloaded from ManualsNet.com search engine...
  • Page 95 Figure 5-2. Electrical Wiring Diagram --- Models 69NT40-489,-489-11 & (Model 69NT40-489-1 --- Prior to Serial # 90234597) (Sheet 1 of 2) Downloaded from ManualsNet.com search engine...
  • Page 96 Figure 5-2. Electrical Wiring Diagram --- Models 69NT40-489,-489-11 & (Model 69NT40-489-1 --- Prior to Serial # 90234597) (Sheet 2 of 2) Downloaded from ManualsNet.com search engine...
  • Page 97 Figure 5-3. Electrical Schematic --- Model 69NT40-489-2 (Sheet 1 of 2) Downloaded from ManualsNet.com search engine...
  • Page 98 Figure 5-3. Electrical Schematic --- Model 69NT40-489-2 (Sheet 2 of 2) Downloaded from ManualsNet.com search engine...
  • Page 99 Figure 5-4. Electrical Wiring Diagram --- Model 69NT40-489-2 (Sheet 1 of 2) Downloaded from ManualsNet.com search engine...
  • Page 100 Figure 5-4. Electrical Wiring Diagram --- Model 69NT40-489-2 (Sheet 2 of 2) Downloaded from ManualsNet.com search engine...
  • Page 101 Figure 5-5. Electrical Schematic --- Model 69NT40-489-10 & (Model 69NT40-489-3 --- Prior to Serial # 90234597) (Sheet 1 of 2) 5-10 Downloaded from ManualsNet.com search engine...
  • Page 102 Figure 5-5. Electrical Schematic --- Model 69NT40-489-10 & (Model 69NT40-489-3 --- Prior to Serial # 90234597) (Sheet 2 of 2) 5-11 Downloaded from ManualsNet.com search engine...
  • Page 103 Figure 5-6. Electrical Wiring Diagram --- Model 69NT40-489-10 & (Model 69NT40-489-3 --- Prior to Serial # 90234597) (Sheet 1 of 2) 5-12 Downloaded from ManualsNet.com search engine...
  • Page 104 Figure 5-6. Electrical Wiring Diagram --- Model 69NT40-489-10 & (Model 69NT40-489-3 --- Prior to Serial # 90234597) (Sheet 2 of 2) 5-13 Downloaded from ManualsNet.com search engine...
  • Page 105 Figure 5-7. Electrical Schematic --- Models 69NT40-489-4, -489-7, -489-8, -489-29 & (Model 69NT40-489-13 --- Prior to Serial # 90234597) (Sheet 1 of 2) 5-14 Downloaded from ManualsNet.com search engine...
  • Page 106 Figure 5-7. Electrical Schematic --- Models 69NT40-489-4, -489-7, -489-8, -489-29 & (Model 69NT40-489-13 --- Prior to Serial # 90234597) (Sheet 2 of 2) 5-15 Downloaded from ManualsNet.com search engine...
  • Page 107 Figure 5-8. Electrical Wiring Diagram --- Models 69NT40-489-4, -489-7, -489-8, -489-29 & (Model 69NT40-489-13 --- Prior to Serial # 90234597) (Sheet 1 of 2) 5-16 Downloaded from ManualsNet.com search engine...
  • Page 108 Figure 5-8. Electrical Wiring Diagram --- Models 69NT40-489-4, -489-7, -489-8, -489-29 & (Model 69NT40-489-13 --- Prior to Serial # 90234597) (Sheet 2 of 2) 5-17 Downloaded from ManualsNet.com search engine...
  • Page 109 Figure 5-9. Electrical Schematic --- Models 69NT40-489-5, -489-9 --- Prior to Serial # 90234597 (Sheet 1 of 2) 5-18 Downloaded from ManualsNet.com search engine...
  • Page 110 Figure 5-9. Electrical Schematic --- Models 69NT40-489-5, -489-9 --- Prior to Serial # 90234597 (Sheet 2 of 2) 5-19 Downloaded from ManualsNet.com search engine...
  • Page 111 Figure 5-10. Electrical Wiring Diagram --- Models 69NT40-489-5, -489-9 --- Prior to Serial # 90234597 (Sheet 1 of 2) 5-20 Downloaded from ManualsNet.com search engine...
  • Page 112 Figure 5-10. Electrical Wiring Diagram --- Models 69NT40-489-5, -489-9 --- Prior to Serial # 90234597 (Sheet 2 of 2) 5-21 Downloaded from ManualsNet.com search engine...
  • Page 113 Figure 5-11. Electrical Schematic --- Model 69NT40-489-6,-489-75 (Sheet 1 of 2) 5-22 Downloaded from ManualsNet.com search engine...
  • Page 114 Figure 5-11. Electrical Schematic --- Model 69NT40-489-6,-489-75 (Sheet 2 of 2) 5-23 Downloaded from ManualsNet.com search engine...
  • Page 115 Figure 5-12. Electrical Wiring Diagram --- Model 69NT40-489-6,-489-75 (Sheet 1 of 2) 5-24 Downloaded from ManualsNet.com search engine...
  • Page 116 Figure 5-12. Electrical Wiring Diagram --- Model 69NT40-489-6,-489-75 (Sheet 2 of 2) 5-25 Downloaded from ManualsNet.com search engine...
  • Page 117 Figure 5-13. Electrical Schematic --- Model 69NT40-489-12 --- Prior to Serial # 90234597 (Sheet 1 of 2) 5-26 Downloaded from ManualsNet.com search engine...
  • Page 118 Figure 5-13. Electrical Schematic --- Model 69NT40-489-12 --- Prior to Serial # 90234597 (Sheet 2 of 2) 5-27 Downloaded from ManualsNet.com search engine...
  • Page 119 Figure 5-14. Electrical Wiring Diagram --- Model 69NT40-489-12 --- Prior to Serial # 90234597 (Sheet 1 of 2) 5-28 Downloaded from ManualsNet.com search engine...
  • Page 120 Figure 5-14. Electrical Wiring Diagram --- Model 69NT40-489-12 --- Prior to Serial # 90234597 (Sheet 2 of 2) 5-29 Downloaded from ManualsNet.com search engine...
  • Page 121 Figure 5-15. Electrical Schematic --- Model 69NT40-489-12 --- Starting with Serial # 90234597 (Sheet 1 of 2) 5-30 Downloaded from ManualsNet.com search engine...
  • Page 122 Figure 5-15. Electrical Schematic --- Model 69NT40-489-12 --- Starting with Serial # 90234597 (Sheet 2 of 2) 5-31 Downloaded from ManualsNet.com search engine...
  • Page 123 Figure 5-16. Electrical Wiring Diagram --- Model 69NT40-489-12 --- Starting with Serial # 90234597 (Sheet 1 of 2) 5-32 Downloaded from ManualsNet.com search engine...
  • Page 124 Figure 5-16. Electrical Wiring Diagram --- Model 69NT40-489-12 --- Starting with Serial # 90234597 (Sheet 2 of 2) 5-33 Downloaded from ManualsNet.com search engine...
  • Page 125 Figure 5-17. Electrical Schematic --- Models 69NT40-489-17,-489-23,-489-25,-489-59,-489-61,-489-64,-489-66,-489-67,-489-70,-489-71 & (Model 69NT40-489-13 --- Starting with Serial # 90234597) (Sheet 1 of 2) 5-34 Downloaded from ManualsNet.com search engine...
  • Page 126 Figure 5-17. Electrical Schematic --- Models 69NT40-489-17,-489-23,-489-25,-489-59,-489-61,-489-64,-489-66,-489-67,-489-70,-489-71 & (Model 69NT40-489-13 --- Starting with Serial # 90234597) (Sheet 2 of 2) 5-35 Downloaded from ManualsNet.com search engine...
  • Page 127 Figure 5-18. Electrical Wiring Diagram --- Models 69NT40-489-17,-489-23,-489-25,-489-59,-489-61,-489-64,-489-66,-489-67,-489-70,-489-71 & (Model 69NT40-489-13 --- Starting with Serial # 90234597) (Sheet 1 of 2) 5-36 Downloaded from ManualsNet.com search engine...
  • Page 128 Figure 5-18. Electrical Wiring Diagram --- Models 69NT40-489-17,-489-23,-489-25,-489-59,-489-61,-489-64,-489-66,-489-67,-489-70,-489-71 & (Model 69NT40-489-13 --- Starting with Serial # 90234597) (Sheet 2 of 2) 5-37 Downloaded from ManualsNet.com search engine...
  • Page 129 Figure 5-19. Electrical Schematic --- Model 69NT40-489-26,-489-52,-489-60 & (Model 69NT40-489-1 --- Starting with Serial # 90234597) (Sheet 1 of 2) 5-38 Downloaded from ManualsNet.com search engine...
  • Page 130 Figure 5-19. Electrical Schematic --- Model 69NT40-489-26,-489-52,-489-60 & (Model 69NT40-489-1 --- Starting with Serial # 90234597) (Sheet 2 of 2) 5-39 Downloaded from ManualsNet.com search engine...
  • Page 131 Figure 5-20. Electrical Wiring Diagram --- Model 69NT40-489-26,-489-52,-489-60 & (Model 69NT40-489-1 --- Starting with Serial # 90234597) (Sheet 1 of 2) 5-40 Downloaded from ManualsNet.com search engine...
  • Page 132 Figure 5-20. Electrical Wiring Diagram --- Model 69NT40-489-26,-489-52,-489-60 & (Model 69NT40-489-1 --- Starting with Serial # 90234597) (Sheet 2 of 2) 5-41 Downloaded from ManualsNet.com search engine...
  • Page 133 Figure 5-21. Electrical Schematic --- Model 69NT40-489-3 --- Starting with Serial # 90234597 (Sheet 1 of 2) 5-42 Downloaded from ManualsNet.com search engine...
  • Page 134 Figure 5-21. Electrical Schematic --- Model 69NT40-489-3 --- Starting with Serial # 90234597 (Sheet 2 of 2) 5-43 Downloaded from ManualsNet.com search engine...
  • Page 135 Figure 5-22. Electrical Wiring Diagram --- Model 69NT40-489-3 --- Starting with Serial # 90234597 (Sheet 1 of 2) 5-44 Downloaded from ManualsNet.com search engine...
  • Page 136 Figure 5-22. Electrical Wiring Diagram --- Model 69NT40-489-3 --- Starting with Serial # 90234597 (Sheet 2 of 2) 5-45 Downloaded from ManualsNet.com search engine...
  • Page 137 Figure 5-23. Electrical Schematic --- Models 69NT40-489-14,-489-15,-489-18,-489-21,-489-54,-489-56,-489-58,-489-63,-489-65,-489-68,-489-77,-79,-83 & (Models 69NT40-489-5,-489-9 --- Starting with Serial # 90234597) (Sheet 1 of 2) 5-46 Downloaded from ManualsNet.com search engine...
  • Page 138 Figure 5-23. Electrical Schematic --- Models 69NT40-489-14,-489-15,-489-18,-489-21,-489-54,-489-56,-489-58,-489-63,-489-65,-489-68,-489-77,-79,-83 & (Models 69NT40-489-5,-489-9 --- Starting with Serial # 90234597) (Sheet 2 of 2) 5-47 Downloaded from ManualsNet.com search engine...
  • Page 139 Figure 5-24. Electrical Wiring Diagram --- Models 69NT40-489-14,-489-15,-489-18,-489-21,-489-54,-489-56,-489-58,-489-63,-489-65,-489-68,-489-77,-79,-83 & (Models 69NT40-489-5,-489-9 --- Starting with Serial # 90234597) (Sheet 1 of 2) 5-48 Downloaded from ManualsNet.com search engine...
  • Page 140 Figure 5-24. Electrical Wiring Diagram --- Models 69NT40-489-14,-489-15,-489-18,-489-21,-489-54,-489-56,-489-58,-489-63,-489-65,-489-68,-489-77,-79,-83 & (Models 69NT40-489-5,-489-9 --- Starting with Serial # 90234597) (Sheet 2 of 2) 5-49 Downloaded from ManualsNet.com search engine...
  • Page 141 Figure 5-25. Electrical Schematic --- Model 69NT40-489-19 (Sheet 1 of 2) 5-50 Downloaded from ManualsNet.com search engine...
  • Page 142 Figure 5-25. Electrical Schematic --- Model 69NT40-489-19 (Sheet 2 of 2) 5-51 Downloaded from ManualsNet.com search engine...
  • Page 143 Figure 5-26. Electrical Wiring Diagram --- Model 69NT40-489-19 (Sheet 1 of 2) 5-52 Downloaded from ManualsNet.com search engine...
  • Page 144 Figure 5-26. Electrical Wiring Diagram --- Model 69NT40-489-19 (Sheet 2 of 2) 5-53 Downloaded from ManualsNet.com search engine...
  • Page 145 Figure 5-27. Electrical Schematic --- Models 69NT40-489-20E,-489-20M,-489-22 (Sheet 1 of 2) 5-54 Downloaded from ManualsNet.com search engine...
  • Page 146 NOTE For for units which are configured to single voltage, ignore references to Power (Auto) Transformer and related components (i.e., CB2, VS, etc). Figure 5-27. Electrical Schematic --- Models 69NT40-489-20E,-489-20M,-489-22 (Sheet 2 of 2) 5-55 Downloaded from ManualsNet.com search engine...
  • Page 147 NOTE For for units which are configured to single voltage, ignore references to Power (Auto) Transformer and related components (i.e., CB2, VS, etc). Figure 5-28. Electrical Wiring Diagram --- Models 69NT40-489-20E,-489-20M,-489-22 (Sheet 1 of 2) 5-56 Downloaded from ManualsNet.com search engine...
  • Page 148 NOTE For for units which are configured to single voltage, ignore references to Power (Auto) Transformer and related components (i.e., CB2, VS, etc). Figure 5-28. Electrical Wiring Diagram --- Models 69NT40-489-20E,-489-20M,-489-22 (Sheet 2 of 2) 5-57 Downloaded from ManualsNet.com search engine...
  • Page 149 Figure 5-29. Electrical Schematic --- Models 69NT40-489-50 (Sheet 1 of 2) 5-58 Downloaded from ManualsNet.com search engine...
  • Page 150 Figure 5-29. Electrical Schematic --- Models 69NT40-489-50 (Sheet 2 of 2) 5-59 Downloaded from ManualsNet.com search engine...
  • Page 151 Figure 5-30. Electrical Wiring Diagram --- Models 69NT40-489-50 (Sheet 1 of 2) 5-60 Downloaded from ManualsNet.com search engine...
  • Page 152 Figure 5-30. Electrical Wiring Diagram --- Models 69NT40-489-50 (Sheet 2 of 2) 5-61 Downloaded from ManualsNet.com search engine...
  • Page 153 Figure 5-31. Electrical Schematic --- Models 69NT40-489-51,-489-69,-489-81,-489-84 (Sheet 1 of 2) 5-62 Downloaded from ManualsNet.com search engine...
  • Page 154 Figure 5-31. Electrical Schematic --- Models 69NT40-489-51,-489-69,-489-81,-489-84 (Sheet 2 of 2) 5-63 Downloaded from ManualsNet.com search engine...
  • Page 155 Figure 5-32. Electrical Wiring Diagram --- Models 69NT40-489-51,-489-69,-489-81,-489-84 (Sheet 1 of 2) 5-64 Downloaded from ManualsNet.com search engine...
  • Page 156 Figure 5-32. Electrical Wiring Diagram --- Models 69NT40-489-51,-489-69,-489-81,-489-84 (Sheet 2 of 2) 5-65 Downloaded from ManualsNet.com search engine...
  • Page 157 Figure 5-33. Electrical Schematic --- Models 69NT40-489-62 (Sheet 1 of 2) 5-66 Downloaded from ManualsNet.com search engine...
  • Page 158 Figure 5-33. Electrical Schematic --- Models 69NT40-489-62 (Sheet 2 of 2) 5-67 Downloaded from ManualsNet.com search engine...
  • Page 159 Figure 5-34. Electrical Wiring Diagram --- Models 69NT40-489-62 (Sheet 1 of 2) 5-68 Downloaded from ManualsNet.com search engine...
  • Page 160 Figure 5-34. Electrical Wiring Diagram --- Models 69NT40-489-62 (Sheet 2 of 2) 5-69 Downloaded from ManualsNet.com search engine...
  • Page 161 Figure 5-35. Electrical Schematic --- Models 69NT40-489-78 (Sheet 1 of 2) 5-70 Downloaded from ManualsNet.com search engine...
  • Page 162 Figure 5-35. Electrical Schematic --- Models 69NT40-489-78 (Sheet 2 of 2) 5-71 Downloaded from ManualsNet.com search engine...
  • Page 163 Figure 5-36. Electrical Wiring Diagram --- Models 69NT40-489-78 (Sheet 1 of 2) 5-72 Downloaded from ManualsNet.com search engine...
  • Page 164 Figure 5-36. Electrical Wiring Diagram --- Models 69NT40-489-78 (Sheet 2 of 2) 5-73 Downloaded from ManualsNet.com search engine...
  • Page 165 Figure 5-37. Electrical Schematic --- Models 69NT40-489-80 (Sheet 1 of 2) 5-74 Downloaded from ManualsNet.com search engine...
  • Page 166 Figure 5-37. Electrical Schematic --- Models 69NT40-489-80 (Sheet 2 of 2) 5-75 Downloaded from ManualsNet.com search engine...
  • Page 167 Figure 5-38. Electrical Wiring Diagram --- Models 69NT40-489-80 (Sheet 1 of 2) 5-76 Downloaded from ManualsNet.com search engine...
  • Page 168 Figure 5-38. Electrical Wiring Diagram --- Models 69NT40-489-80 (Sheet 2 of 2) 5-77 Downloaded from ManualsNet.com search engine...
  • Page 169 Figure 5-39. Electrical Schematic --- Models 69NT40-489-30,-31 (Sheet 1 of 2) 5-78 Downloaded from ManualsNet.com search engine...
  • Page 170 Figure 5-39. Electrical Schematic --- Models 69NT40-489-30,-31 (Sheet 2 of 2) 5-79 Downloaded from ManualsNet.com search engine...
  • Page 171 Figure 5-40. Electrical Wiring Diagram --- Models 69NT40-489-30,-31 (Sheet 1 of 2) 5-80 Downloaded from ManualsNet.com search engine...
  • Page 172 Figure 5-40. Electrical Wiring Diagram --- Models 69NT40-489-30,-31 (Sheet 2 of 2) 5-81 Downloaded from ManualsNet.com search engine...

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