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91.10 MICROPROCESSOR CONTROLLERCOOL HEAT DEFROST START/STOP IN-RANGE HI AIR-20 34.5° FSETPOINTBOX TEMPERATUREFUNCTIONCHANGEENTERUNITDATAPRETRIPCHECKAUTO S/SCONTINUOUSMANUALDEFROSTFigure 1-19. Microprocessor Control Panel1.10.1INTRODUCTIONThe microprocessor controller is housed in the controlpanel on the lower roadside corner of the unit. Thiscontroller consists of 2 control boards and a relay module:1. The Processor Board includes the microprocessor,program memory, and necessary input/outputcircuitry to interface with the unit.2. The Display Board is mounted in the same controlbox as the processor board. The display boardincludes the LCD display, keypad and keypadinterface.3. The Relay Module contains replaceable relays, diodeblocks and fuses along with the wiring harness.The microprocessor is totally self-contained and does notcontain any serviceable components.CAUTIONUnder no circumstances should anyone attemptto repair the Logic or Display Boards! (seesection 4.29) Should a problem develop withthese component, contact your nearest CarrierTransicold dealer for replacement.The Carrier Transicold microprocessor controllerincorporates the following features:a. Control supply or return air temperature to tightlimits by providing refrigeration control, heat anddefrost to ensure conditioned air delivery to the load.b. Dual independent readouts of set point and supplyor return air temperatures.c. Digital readout and ability to select data. Refer toTable 1-5 for Function Code and Table 1-6 for UnitData.d. For alarm digital display identification refer toTable 1-7.e. A pre-trip checkout of refrigeration unit operation.Refer to section 1.10.8f. A self-test check on program memory and datamemory. The self-test is executed each time thesystem is switched from “Stop” to “Start.” Errors, ifany, shall be indicated on the display as a ERR.X,where X is a number corresponding to the number ofthe test. The unit shall display this error for 5 secondsand then reset the micro.ERRORERR.1ERR.2ERR.3ERR.4 orDisplayCAUSEProcessor failureCheck chip installation or Replacemicroprocessor.Display board to logic boardcommunication failure.This can be caused by a defectiveribbon cable or ribbon cable notplugged in properly.g. A communication link to transmit unit operationaldata to a remote computer. Refer to section 1.10.121.10.2KEYPADThe keypad has 8 keys which will allow the operator toinitiate various functions, display operating data andchange operating parameters.Arrow KeysThe keypad has UP and DOWN Arrow keys which areused to modify (increment or decrement) the setpointselection or modify the displayed data.1-19 62-02461
1.1.1 HEAT/COOL MODEEnter KeyThe ENTER key is used to accept a change in unitparameters or a change in setpoint.Manual Defrost KeyThe MANUAL DEFROST key is used to initiate adefrost cycle, given that the proper conditions are met(Refer section 1.10.10).Pretrip Check KeyThe PRETRIP CHECK key is used to initiate a pretripcycle, given that the proper conditions are met (Refer tosection 1.10.8).Auto Start/Stop Continuous KeyNOTEWith software revision 3.08 or 3.12 whenconfiguration CNF11 is “ON” and setpoint is 32to 42_ F (0 to 5.5_C) the unit is locked intocontinuous run. Start/Stop Continuous key isdisabled.The START/STOP CONTINUOUS key is used tochange the operating mode from “auto start/continuousrun” to “auto start/stop.” Each push of the key willalternate the operating modes. The operating status willbe stored in memory and will be retained through poweroutages. The digital display will indicate when stop/startis enabled (Also See Section 1.10.11).To start the unit in manual start mode, the START/STOPCONTINUOUS selection must be in continuous runmode.Function Change KeyThe FUNCTION CHANGE key is used to display theoperating parameters. Each time this key is pressed thedisplay will advance to the next parameter. This key, inconjunction with the UP/DOWN Arrow and ENTERkeys, will allow the user to change the parameters (SeeSection 1.10.5).Unit Data KeyThe UNIT DATA key is used to display the unit operatingdata. This key, in conjunction with the UP/DOWN Arrowkeys, will allow the user to display the unit’s operatingdata values (i.e, coolant temperature, battery voltage,etc.) (See Section 1.10.6).1.10.3SETPOINTSetpoints of --- 22_Fto+86_F ( --- 30_Cto+30_C) may beentered via keypad. The controller always retains the lastentered setpoint in memory. If no setpoint is in memory(i.e., on initialstartup), the controller will lock out the runrelay and flash “SP” on the left hand display until a validsetpoint is entered.The setpoint may be changed up or down in wholenumbers until the desired setpoint is displayed. Thedisplay will flash to indicate that the setpoint readingbeing displayed is a non-entered value. Each time theUP/DOWN Arrow key is pressed, the 5 second displaytimer will be reset.Depressing the ENTER key will cause the new displayedsetpoint value to become active. If the display is flashingand the new value is not entered, after 5 seconds of nokeyboard activity, the display will revert back to theactive setpoint.1.10.4DIGITAL DISPLAYThe digital display has 9 digits. The default display issetpoint on the left and controlled air temperature on theright. The readout is keypad selectable for Degrees C orDegrees F.Also digital displays are provided to indicate thefollowing modes: COOL, HEAT, DEFROST,IN-RANGE, HI AIR, START/STOP.On each power-up, the unit will display a Display Test for5 seconds then display the default reading.1.10.5FUNCTIONAL PARAMETERSNOTEIf configuration CNF11 is “ON” functionalparameters are lockout. The ability to changefunctional parameters from keypad are disabled.The functional parameters will control selectedoperating features of the unit. These parameters can bedisplayed by pressing the FUNCTION CHANGE key.All functional parameters are retained in memory. Thefollowing sections describe the list of functions which canbe modified via the keypad. A description of the functionwill be displayed on the left side with the correspondingdata on the right side. The function parameter list can bescrolled through by pressing the FUNCTION CHANGEkeyorbyusingtheUP/DOWNArrowkeys.WitheachFUNCTION CHANGE key push, the list will beadvanced one. If the function key is pressed and held forone second, the list will be advanced one item at a time.This list will be circular, meaning once the end of the list isreached the list will go to the first entry. While thefunctional parameter is displayed, the data can bechanged by pressing ENTER then pressing either the UPor DOWN Arrow keys. If the value is changed, thedisplayed data will then flash to indicate that the valuehas not been entered. If the new value is not entered in 5seconds, the display will revert back to the last enteredvalue. If the ENTER key is pressed, the display will stopflashing to indicate that the value has been entered. Thenew value will continue to be display for 5 seconds beforereverting back to the default display. Each time a key ispressed, the 5 second delay will be reset. To select adifferent functional parameter the FUNCTIONCHANGE key must be pressed first.Code Vs English MessagesThe description messages of the functional parameters,unit status and alarms can be displayed in English orCodes through this function selection. The two choiceswill be displayed as, ENGLISH or CODES. With thisparameter set to CODES, all display descriptions will beset to their code display. This parameter will not changedue to this selection. Refer to each section for thealternate display description.62-024611-20
Page 7: LIST OF ILLUSTRATIONS (CONT’D)Fig
Page 10 and 11: 9SECTION 1DESCRIPTION1.1 INTRODUCTI
Page 12 and 13: 91123234564758961. Condenser Pressu
Page 14 and 15: 91. Condenser Pressure ControlSolen
Page 16 and 17: 91. King Valve2. Hot Gas Solenoid V
Page 18 and 19: 9165341. Evaporator Fan2. Expansion
Page 20 and 21: 943112 2200V/50hz230V/60hz380V/50hz
Page 22 and 23: MODELUltima, Phoenix Ultra,Ultra XL
Page 24 and 25: . Perishable Cooling Unloader Contr
Page 26 and 27: 1.9.4 Hot Gas Bypass Unloadera. Maj
Page 30: Manual Glow OverrideThe auto start
Page 33 and 34: 1.1.1 HEAT/COOL MODE1.10.7ALARM DIS
Page 35 and 36: 1.1.1 HEAT/COOL MODE1.10.10 DEFROST
Page 37 and 38: 1.1.1 HEAT/COOL MODEIf the battery
Page 39 and 40: 1.1.1 HEAT/COOL MODEFALLINGTEMPERAT
Page 41 and 42: 1.1.1 HEAT/COOL MODE1.14.2DataLink
Page 43 and 44: 1.1.1 HEAT/COOL MODE1.15 BATTERY CH
Page 46 and 47: 1.17 REFRIGERANT CIRCUIT DURINGHEAT
Page 48 and 49: 9EXTERNAL EQUALIZEREXPANSIONVALVEBU
Page 50 and 51: 3. Press the FUNCTION CHANGE key un
Page 52 and 53: Thedefrostmodemaybeinitiatedbythree
Page 54 and 55: ModeTable 2-2. Relay OperationDEPer
Page 56 and 57: INDICATION/TROUBLEPOSSIBLE CAUSESRE
Page 58 and 59: INDICATION/TROUBLE3.3.5Defrost Cycl
Page 60 and 61: INDICATION/TROUBLEPOSSIBLE CAUSESRE
Page 62 and 63: . Every 2000 Hour Maintenance --- N
Page 64 and 65: 4.3 ENGINE SERVICE AND COMPONENTS4.
Page 66 and 67: 4.3.5 Engine Crankcase BreatherThe
Page 68 and 69: 421. Evaporator/Condenser Fan V-Bel
Page 70 and 71: 4.5 SERVICING STANDBY CLUTCH (NDM)T
Page 72 and 73: 4.7 PUMPING THE UNIT DOWN ORREMOVIN
Page 74: . Run the unit in cooling for ten m
Page 77 and 78: . Solenoid Coil ReplacementNOTEThe
Page 79 and 80:
4.17 CHECKING AND REPLACING HIGHPRE
Page 81 and 82:
10. Dehydrate and evacuate the syst
Page 83 and 84:
4.23 REPLACING THE CONDENSER/ EVAPO
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10. Install clutch on fan shaft ass
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To check Phase Sequence Module:a. V
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4.31 CONTROLLER SENSOR CHECKOUTAn a
Page 91 and 92:
M8 x 20 mm lg(6 Req’d) 18 ft-lbs
Page 93 and 94:
Table 4-6. R-404A Temperature---Pre
Page 95 and 96:
Figure 5-1. NDA-94A Electrical Sche
Page 97 and 98:
Figure 5-2. NDA-94A & NDA-94B Elect
Page 99 and 100:
Figure 5-3. NDA-94 Electrical Schem
Page 101 and 102:
Figure 5-4. NDM-94A EURO Electrical
Page 103 and 104:
Figure 5-5. NDM-94 (EURO) Electrica
Page 105 and 106:
Figure 5-6. NDM-94A Electrical Sche
Page 107 and 108:
Figure 5-7. NDM-94 Electrical Schem
Page 109 and 110:
Figure 5-8. NDM-94A --- 230v Phase
Page 111 and 112:
Figure 5-9. NDM-94 230v Phase Rever
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Figure 5-10. NDM-94A --- 380v Phase
Page 115 and 116:
Figure 5-11. NDM-94 380v Phase Reve
Page 117 and 118:
Figure 5-12. NDA, NDM and NDX Elect
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Figure 5-13. NDA, NDM and NDX Elect
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SECTION 6MULTI-TEMP OPERATION AND S
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6.5 MULTI-TEMP REFRIGERANT CIRCUITT
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energized at 2.5_C above setpoint.
Page 127 and 128:
6.13 5KW GENERATOR MAINTENANCEThe 5
Page 129 and 130:
Table 6-4. 2 Compartment Reversible
Page 131 and 132:
Table 6-5. 3 Compartment Reversible
Page 133 and 134:
6-13 62---02461Figure 6-8. Electric
Page 135 and 136:
6-15 62---02461Figure 6-9. Electric
Page 137 and 138:
6-17 62---02461Figure 6-10. Electri
Page 139 and 140:
6-19 62---02461Figure 6-11. Electri
Page 141 and 142:
6-21 62---02461Figure 6-12 Electric
Page 143 and 144:
6-23 62---02461Figure 6-13 Electric
Page 145 and 146:
IndexIRemote Evaporator, 6-5Introdu
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