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T-368

3–10

Figure 3.6 Refrigeration Circuit Schematic

FILTER
DRIER

THERMOSTATIC
EXPANSION VALVE
(TXV)

TXV BULB

SUCTION
MODULATING
VALVE

QUENCH
VALVE BULB

SIGHT GLASS /

MOISTURE

INDICATOR

RECEIVER

EVAPORATOR

CONDENSER

FUSIBLE
PLUG

SERVICE

VALVE

QUENCH VALVE

SIGHT GLASS

SERVICE
VALVE

Discharge

Liquid

Suction

LIQUID LINE
VALVE

DISCHARGE

SUCTION

Refrigeration Circuit with Receiver

HEAT

EXCHANGER

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Содержание 69NT40-541-505

Страница 1: ...Container Refrigeration OPERATIONS AND SERVICE MANUAL For 69NT40 541 505 508 and 509 Upflow Container Refrigeration Units T 368 Change 12 16 Downloaded from ManualsNet com search engine...

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Страница 3: ...OPERATIONS AND SERVICE MANUAL For 69NT40 541 505 508 and 509 Upflow Container Refrigeration Units Carrier Corporation 2016 Printed in U S A December 2016 Downloaded from ManualsNet com search engine...

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Страница 5: ...ondenser Coil 2 1 2 3 7 Condenser Grille 2 1 2 3 8 Evaporator 2 1 2 3 9 Evaporator Fan Operation 2 1 2 3 10 Plate Set 2 1 2 4 OPTION DESCRIPTIONS 2 1 2 4 1 Battery 2 1 2 4 2 USDA 2 1 2 4 3 Interrogato...

Страница 6: ...re Control 4 4 4 3 2 Perishable Pulldown 4 4 4 3 3 Perishable Steady State 4 4 4 3 4 Perishable Idle Air Circulation 4 4 4 3 5 Perishable Heating 4 4 4 3 6 Perishable Mode Dehumidification 4 5 4 3 7 P...

Страница 7: ...2 2 Connection to 190 230VAC Power option 5 1 5 3 ADJUST FRESH AIR MAKEUP VENT 5 1 5 3 1 Upper Fresh Air Makeup Vent 5 2 5 3 2 Vent Position Sensor 5 2 5 4 CONNECT REMOTE MONITORING RECEPTACLE 5 2 5...

Страница 8: ...6 7 8 3 Compressor Reassembly 7 8 7 8 4 Preparation 7 9 7 8 5 Installing the Components 7 9 7 8 6 Compressor Oil Level 7 9 7 9 HIGH PRESSURE SWITCH 7 10 7 9 1 Checking High Pressure Switch 7 10 7 9 2...

Страница 9: ...mming Procedure 7 21 7 20 4 Removing and Installing the Controller 7 22 7 20 5 Battery Replacement 7 23 7 21 TEMPERATURE SENSOR SERVICE 7 23 7 21 1 Sensor Checkout Procedure 7 23 7 21 2 Sensor Replace...

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Страница 11: ...Make Up Air Flow Chart 5 2 Figure 7 1 Manifold Gauge Set 7 1 Figure 7 2 R 134a Manifold Gauge Hose Set 7 2 Figure 7 3 Service Valve 7 2 Figure 7 4 Refrigeration System Service Connections 7 4 Figure...

Страница 12: ...am 8 2 Figure 8 3 Single Evaporator Fan Capability And VPS Unit Wiring Diagram 8 3 Figure 8 4 Single Evaporator Fan Capability And VPS Unit Wiring Diagram 8 4 Figure 8 5 Single Evaporator Fan Capabili...

Страница 13: ...ble 4 7 Controller Pre Trip Test Codes 4 41 Table 4 8 DataCORDER Function Code Assignments 4 47 Table 4 9 DataCORDER Pre Trip Result Records 4 48 Table 4 10 DataCORDER Alarm Indications 4 49 Table 7 1...

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Страница 15: ...cuit breaker and power supply to pre vent accidental energizing of circuit Do not bypass any electrical safety devices e g bridg ing an overload or using any sort of jumper wires Problems with the sys...

Страница 16: ...NING Before disassembly of any external com pressor component make sure to relieve possible internal pressure by loosening the bolts and tapping the component with a soft hammer to break the seal CAUT...

Страница 17: ...ION Ensure that the thrust washer does not fall off dowel pins while installing oil pump CAUTION The set screw on the crankshaft must be removed for this type of oil pump See Figure 6 8 CAUTION Use on...

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Страница 19: ...trol Box Units are equipped with an aluminum control box and may be fitted with a lockable door 2 3 2 Controller The unit is equipped with a Micro Link 3 microproces sor system 2 3 3 Temperature Reado...

Страница 20: ...individual circuit breaker for the 230 volt power If the unit is equipped with an autotransformer and communications module the autotransformer will be fitted with a trans former bridge unit TBU to a...

Страница 21: ...to moderate the atmo spheric level in the container in response to cargo res piration When transporting frozen cargo loads the vent will be closed The upper left access panel contains the vent slide a...

Страница 22: ...evaporator components are accessible by remov ing the upper rear panel as shown in Figure 3 2 Figure 3 2 Evaporator Section Units with Center Access Panel 1 Evaporator Fan Motor 1 2 Supply Recorder S...

Страница 23: ...nd ambient sensor are located at the right side of the compressor Figure 3 3 Compressor Section 1 Quench Valve 2 Suction Modulating Valve 3 Suction Temperature Sensor 4 Quench Valve Temperature Bulb 5...

Страница 24: ...he condenser fan pulls air from around the coil and dis charges it horizontally through the condenser fan grille Figure 3 4 Condenser Section 1 Condenser Coil 2 Sight Glass 3 Condenser Pressure Transd...

Страница 25: ...over the ships main power line Refer to the master system technical manual for further information Figure 3 5 Control Box Section 1 Compressor Contactor CH 2 Compressor Phase A Contactor PA 3 Compress...

Страница 26: ...er use air or gas mixtures containing oxygen O2 for leak testing or operating the product Charge Only With R 134a Refrigerant must conform to AHRI Standard 700 specification e Refrigerant R 134a Confo...

Страница 27: ...to 77 2 ohms 20 C 68 F Type Sheath e Evaporator Fan Motor s 380 VAC 50 Hz 460 VAC 60 Hz Full Load Amps High Speed 1 6 2 1 Full Load Amps Low Speed 0 6 0 6 Nominal Horsepower High Speed 0 58 1 0 Nomin...

Страница 28: ...Circuit Breaker CB 1 Manual Reset Trips at 29 amps 460VAC Circuit Breaker CB 2 50 amp Manual Reset Trips at 62 5 amps 230VAC Circuit Breaker CB 2 70 amp Manual Reset Trips at 87 5 amps 230VAC Excessiv...

Страница 29: ...nt degree of superheat in the gas leaving the evaporator regardless of suction pressure The flow of liquid to the evaporator is regulated by a variable orifice which opens to increase refrigerant flow...

Страница 30: ...ODULATING VALVE QUENCH VALVE BULB SIGHT GLASS MOISTURE INDICATOR RECEIVER EVAPORATOR CONDENSER FUSIBLE PLUG SERVICE VALVE QUENCH VALVE SIGHT GLASS SERVICE VALVE Discharge Liquid Suction LIQUID LINE VA...

Страница 31: ...software is provided in Section 4 8 The keypad and display module serve to provide user access and readouts for both of the controller func tions temperature control and DataCORDER The functions are...

Страница 32: ...Energized when an active or an inactive shutdown alarm is in the alarm queue CODE SELECT PRE TRIP ALARM LIST MANUAL DEFROST INTERVAL ENTER BATTERY POWER ALT MODE RETURN SUPPLY C F Table 4 1 Keypad Fun...

Страница 33: ...de indications d Provide a Pre trip step by step checkout of refrig eration unit performance including proper compo nent operation electronic and refrigeration control operation heater operation probe...

Страница 34: ...set points above 10 C 14 F When CnF26 is set to 5 C perishable mode is active with set points above 5 C 23 F 4 3 2 Perishable Pulldown When the system is in Perishable Pulldown Mode the highest priori...

Страница 35: ...d is 2 below the dehumidi fication set point the high speed evaporator fans will be energized During dehumidification power is applied to the defrost heaters This added heat load causes the controller...

Страница 36: ...to Off 3 The user changes the set point to one that is in the frozen range When bulb mode is disabled by any of the above the evaporator fan operation for dehumidification reverts to alt and the DTS t...

Страница 37: ...F below set point contact TH opens to de energize the heaters The HEAT light is also de energized The evaporator fans continue to run to circulate air throughout the container c The safety heater term...

Страница 38: ...ans are brought to high speed and the heat from the fans is circulated through the container The unit will transition back to frozen steady state when the temperature rises back to the transition poin...

Страница 39: ...n the heaters which are located below the evapo rator coil During normal operation de icing will con tinue until temperatures indicate that the ice on the coil has been removed proper air flow has bee...

Страница 40: ...run for eight minutes to stabilize the temperature throughout the con tainer A probe check comparison is carried out at the end of the eight minute period if any sen sor is found out of calibration At...

Страница 41: ...130 F the HTT will open to de ener gize the heaters AL59 AL60 If the HTT does not open and termination does not occur within two hours the controller will terminate defrost AL60 will be acti vated to...

Страница 42: ...ith the set point on the left display c The user should scroll through the alarm list to determine what alarms exist or have existed Alarms must be diagnosed and corrected before the Alarm List can be...

Страница 43: ...nd temperature control software generated data and events as follows Container ID Change Software Upgrades Alarm Activity Battery Low Battery Pack Data Retrieval Defrost Start and End Dehumidification...

Страница 44: ...lation valve percentage 10 Discrete outputs See Note 11 Discrete inputs See Note 12 Ambient sensor 13 Compressor suction sensor 14 Compressor discharge sensor 15 Return temperature sensor 16 Supply te...

Страница 45: ...ading 1 Origin Origin Date Destination Discharge Date Comment DataLINE Tool Probe Calibration Readings USDA1 0 0 USDA2 0 0 USDA3 0 0 Cargo 0 0 Temperature Units Centigrade ____________________________...

Страница 46: ...DER is finished recording it will power down During DataCORDER power up while using battery pack power the controller will perform a hardware volt age check on the battery If the hardware check passes...

Страница 47: ...of the unit Four or five receptacles are provided The four three pin receptacles are for the probes and fifth five pin recep tacle is the rear connection for the Interrogator The probe receptacles are...

Страница 48: ...m list will clear and will be displayed 4 Press the ALARM LIST key AL will show on the left display and on the right dis play when there are no alarms in the list 5 Upon clearing of the Alarm Queue th...

Страница 49: ...rmer Out 0 out 1 in CnF22 Economy Mode Option OFF 0 off 1 full 2 std 3 cust CnF23 Defrost Interval Timer Save Option noSAv 0 no_sav 1 sav CnF24 Enable Long PreTrip Test Series Auto1 0 auto1 1 auto2 3...

Страница 50: ...aporator 0 Out 1 in CnF60 Compressor Cycle Perishable Cooling 0 Out 1 in CnF61 ACT ASC Control Enable 0 Out 1 in CnF62 Extended Temperature Control Enable 0 Out 1 in CnF63 CCPC Pre trip Tripstart Defa...

Страница 51: ...ermine if it falls within the expected range of values for the component Failure of this test will result in a pretrip failure or a control alarm indication Cd07 Main Power Voltage The main supply vol...

Страница 52: ...troller was configured with a configuration card or with a valid OEM serial port configuration update YYMMDD rep resents the publication date of the model configuration database Cd21 ML3 Humidity Wate...

Страница 53: ...n For units operating with PuLS selected defrost interval is determined by the unit temperature setpoint and the Evaporator Fan Pulsing Temperature Setting Cd60 When the unit temperature setpoint is e...

Страница 54: ...re 15 17 19 21 Factory Default 23 Cd33 Humidity Setpoint This is the value in percent to which the system will dehumidify or humidify There are configuration variables that determine whether dehumidif...

Страница 55: ...isplay the supply recorder sensor reading Cd39 Secondary Return Temperature Sensor Code Cd39 will display the current return recorder sensor RRS reading for units configured for four probes If the uni...

Страница 56: ...should not be remembered as being detected not present Configurable Functions Cd45 through Cd48 are user selectable functions The operator can change the value of these functions to meet the operation...

Страница 57: ...s OFF Evaporator speed select goes to Alt for units without PWM Compressor Control Cnf57 Out Evaporator speed select goes to Hi for units with PWM Compressor Control Cnf57 In DTT setting goes to 25 6...

Страница 58: ...wn into a hierarchy of parameter se lection menus in the order listed above Pressing ENTER key in any of the param eter selection menus commits to selection of the currently displayed parameter and ca...

Страница 59: ...second entry in the menu Turning ASC off clears this entry This ac tion also resets Cd53 to initial time remaining ASC must then be turned on to view or modify the additional parameters Whenever any a...

Страница 60: ...ils repair Correct all faults Yes Yes Yes Yes No Yes No Yes No No No No Correct Refrigerant issue Unit OK Yes No Refer to CONNECT POWER Section 4 2 Refer to CONNECT POWER Section 4 2 Refer to CONTROLL...

Страница 61: ...is in frozen mode Component Vent Position Sensor VPS Troubleshooting Manually reposition vent and confirm using Cd45 Refer to VENT POSI TION SENSOR SERVICE Section 7 22 Corrective Action If unable to...

Страница 62: ...cle the unit Corrective Action Refer to Refrigerant Charge Section 7 7 Power cycle the unit AL20 CONTROL CONTACTOR FUSE F3 Cause Control power fuse F3A or F3B is open Component Check F3A if the fuse i...

Страница 63: ...oting Shut down unit disconnect power check Evaporator Motor IP at plug connection pins 4 6 Corrective Action Replace defective evaporator fan motor refer to EVAPORATOR FAN MO TOR Service Section 7 14...

Страница 64: ...passes no further action is required If P5 fails replace the defective sensor as determined by P5 refer to TEM PERATURE SENSOR Service Section 7 21 AL27 ANALOG TO DIGITAL ACCURACY FAILURE Cause Contr...

Страница 65: ...icates defective controller memory Corrective Action Replace defective controller refer to Controller Service Section 7 20 AL52 EEPROM ALARM LIST FULL Cause Alarm list queue is full Component Active A...

Страница 66: ...r to TEM PERATURE SENSOR Service Section 7 21 AL57 AMBIENT SENSOR AMBS Cause Invalid Ambient Temperature Sensor AMBS reading Component Ambient Temperature Sensor AMBS Troubleshooting Test the AMBS ref...

Страница 67: ...n 7 21 2 AL61 HEATER CURRENT DRAW FAULT Cause Improper current draw during heat or defrost mode Component Heater s Troubleshooting While in heat or defrost mode check for proper current draw at heater...

Страница 68: ...tion 7 21 AL65 DISCHARGE PRESSURE TRANSDUCER DPT Cause Compressor Discharge Transducer is out of range Component Compressor Discharge Transducer DPT Troubleshooting Confirm accurate DPT pressure readi...

Страница 69: ...f range Component Secondary Return Sensor RRS Troubleshooting Perform Pre trip P5 Corrective Action If P5 passes no further action is required If P5 fails replace the defective sensor as determined by...

Страница 70: ...xecuting ERR 3 N A N A ERR 4 N A N A ERR 5 A D failure The controller s Analog to Digital A D converter has failed ERR 6 IO Board failure Internal program update failure ERR 7 Controller failure Inter...

Страница 71: ...ses if change in current draw is in the range specified P2 Tests Condenser Fan Current Draw Condenser fan is turned on then off Current draw must fall within specified range No other system components...

Страница 72: ...if temperature comparison falls within the specified range NOTE If this test fails P50 and FAIL will be displayed If both Probe tests this test and the PRIMARY SECONDARY pass the display will read P5...

Страница 73: ...ified range P6 1 P6 H P6 L Not Applicable These tests are not run for Single Speed Compressors P6 2 Suction Modulation Valve Open and Closed The compressor and fans continue to run from the previous t...

Страница 74: ...CPT Return temperature sensor RTS Ambient sensor AMBS Test will also fail if HPS fails to open within 15 minutes Discharge temperature exceeds 138 C 280 F Discharge temperature is less than or equal...

Страница 75: ...2 and the right display will show the supply air temperature When the test is completed the average control temperature error will be com pared to the pass fail criteria Test passes if the average tem...

Страница 76: ...iner temperature down to the 17 7 C set point If this occurs within the three hour time limit the test passes If pulldown is not completed within the three hour time the test fails Upon failure and wh...

Страница 77: ...dC26 27 S N Left 4 Right 4 The DataCORDER serial number consists of eight characters Function code dC26 contains the first four characters Function code dC27 con tains the last four characters This s...

Страница 78: ...Fail Skip Result Change in currents for Phase A B and C 6 1 Not Applicable Not Used 6 2 Suction Modulation Valve Open and Closed Pass Fail Skip Result Is current or pressure limit in effect Y N 6 4 N...

Страница 79: ...umber AL78 to AL85 is assigned to each configured point When an alarm occurs the DataCORDER must be interrogated to identify the data point assigned When a humidity sensor is installed it is usually a...

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Страница 81: ...e clean and dry before connecting to power receptacle 5 2 1 Connection To 380 460 VAC Power 1 Make sure start stop switch ST on control panel and circuit breaker CB 1 in the control box are in positio...

Страница 82: ...whenever the unit is running under AC power and any of the following Trip start On every power cycle Midnight Manual change greater than 5 CMH 3 CFM and remains in that position for at least four min...

Страница 83: ...completion of Pre Trip activity economy dehumidifica tion and bulb mode must be reactivated Pre Trip diagnostics provides automatic testing of the unit components using internal measurements and comp...

Страница 84: ...t the conclusion PASS or FAIL will be displayed This message will remain displayed for up to three minutes during which time a user may select another test If the three minute time period expires the...

Страница 85: ...nvalidated If the unit is in perishable mode a probe alarm will be triggered for both return probes 5 9 EMERGENCY BYPASS OPERATION OPTION Operation by the refrigeration controller may be over ridden b...

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Страница 87: ...ompressor hums but does not start Low line voltage Check Single phasing Check Shorted or grounded motor windings 7 8 Compressor seized 7 8 6 2 UNIT OPERATES LONG OR CONTINUOUSLY LONG IN COOLING Condit...

Страница 88: ...power Circuit breaker or fuse defective Replace Control Transformer defective Replace Evaporator fan internal motor protector open 7 14 Heat relay defective Check Heater termination switch open 7 13 U...

Страница 89: ...ormal 6 7 ABNORMAL PRESSURES COOLING Condition Possible Cause Remedy Refer ence Section High discharge pressure Condenser coil dirty 7 10 1 Condenser fan rotating backwards 7 11 Condenser fan inoperat...

Страница 90: ...W OR RESTRICTED AIR FLOW Condition Possible Cause Remedy Refer ence Section Evaporator coil blocked Frost on coil 6 6 Dirty coil 7 13 No or partial evaporator air flow Evaporator fan motor internal pr...

Страница 91: ...tion pressure Improper bulb location or installation 7 16 Low superheat setting 7 16 6 12 AUTOTRANSFORMER MALFUNCTION Condition Possible Cause Remedy Refer ence Section Unit will not start Circuit bre...

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Страница 93: ...be checked at the Dis charge Pressure Gauge When both valves are backseated all the way out high pressure vapor will flow into the low side When the Suction Pressure Valve is open and the Dis charge...

Страница 94: ...ccess Valve 3 Stem Cap 4 Valve stem 5 Compressor or Filter Drier Inlet Connection 6 Valve Frontseated 7 Valve Backseated Connection of the manifold gauge hose set see Fig ure 7 4 is dependent on the c...

Страница 95: ...nd or property damage Never use air or gas mixtures containing oxygen O2 for leak testing or operating the product Charge Only With R 134a Refrigerant must conform to AHRI Standard 700 specification a...

Страница 96: ...emove the copper tubing and change the filter drier Evacuate unit to 500 microns Close the electronic vacuum gauge and vacuum pump valves Shut off the vacuum pump Wait five minutes to see if vacuum ho...

Страница 97: ...and check the refrigerant charge 7 7 3 Adding Refrigerant to System Partial Charge a Examine the unit refrigerant system for any evi dence of leaks Repair as necessary refer to Section 7 5 b Maintain...

Страница 98: ...check refrigerant charge refer to Section 7 7 s Check moisture liquid indicator for wetness Change filter drier if necessary refer to Section 7 12 t Check compressor oil level per Section 7 8 6 Add oi...

Страница 99: ...the piston rings extend above the cylinders CAUTION The copper tube that connects to the oil suction strainer extends out the bottom with the bottom plate removed Take pre cautions to avoid bending or...

Страница 100: ...ube draw vapor from the crankcase Remove the rotor using a jack bolt Insert a brass plug into the rotor hole to pre vent damage to the end of the crankshaft k If the piston rings extend beyond the cyl...

Страница 101: ...against crank bearings b Install the pump end thrust washer on the two dowel pins located on the bearing head see Figure 7 8 CAUTION Ensure that the thrust washer does not fall off dowel pins while in...

Страница 102: ...nd oil will flow through the suction service valve into the compressor Add oil as necessary c Adding Oil to Service Replacement Compressor Service replacement compressors are shipped without oil If oi...

Страница 103: ...t is powered off and the plug is disconnected b Remove the condenser fan grille c Starting from the top of the coil use a water hose with a nozzle to wash the coil from the inside out d Systematically...

Страница 104: ...all a new filter drier g Replace the liquid line cushion clamps h Secure the receiver assembly to the side sup port bracket i Pressure leak test the coil and filter drier con nections refer to Section...

Страница 105: ...the mounting bolts and adjust the motor posi tion on the bracket and then secure the motor k Remove the condenser fan and connect the fan motor wiring to the fan motor l Place the condenser fan on th...

Страница 106: ...et con taining that heater may be disconnected at the contactor The next Pre trip P1 will detect that a heater set has been disconnected and indicate that the failed heater should be replaced To remov...

Страница 107: ...eez Apply thread sealer Loc tite H brown in color to the two fan set screws Install fan on motor The evaporator fan locating dimension is shown in Figure 7 19 Figure 7 18 Evaporator Fan Locating Dimen...

Страница 108: ...ter and 1 part cleaner d Allow the cleaner to soak in for 5 to 7 minutes e Assess area for rinsing Follow all local regula tions regarding disposal of waste water f Thoroughly rinse the cleaner and su...

Страница 109: ...ation on the heaters and their wires 5 Open the insulation flap Flap is secured with Velcro Item 3 Figure 7 22 6 Loosen the thumb screw and slide the bulb out by pulling it towards the front of the un...

Страница 110: ...nto control mode Both the discharge suction pressures and current draw will go signifi cantly lower Once below set point the suction pressure should go into a vacuum within several minutes Should the...

Страница 111: ...n nections and replace the motor If near normal or nor mal reading occurs proceed to step 7 18 2 to check out the controller b Checking with SMA 12 portable stepper drive tester The SMA 12 portable st...

Страница 112: ...s do not hold in check voltage supply c There is no internal protector for this transformer design therefore no checking of the internal protector is required d Using a voltmeter and with the primary...

Страница 113: ...not applicable to the units cov ered herein TP 9 This test point is the chassis unit frame ground connection TP 10 This test point enables the user to check if the heat termination thermostat HTT cont...

Страница 114: ...in the proper model dash number If a defective card is being used the display will blink the message bAd CArd Turn start stop switch OFF and remove the card 8 Press the ENTER key on the keypad 9 When...

Страница 115: ...res from the battery along the display harness and connect the red battery wire and one end of the red jumper to KA14 the other end of the red jumper wire to KA11 and the black wire to KA13 h Replace...

Страница 116: ...d wire to the shorter length e Strip back insulation on all wiring 6 3mm 1 4 inch f Slide a large piece of heat shrink tubing over the cable and place small pieces of heat shrink tub ing one over each...

Страница 117: ...esh air VPS alarm AL50 will occur if the sensor reading is not stable for five minutes or if the sensor is outside of its valid range shorted or open This can occur if the vent is loose or the panel i...

Страница 118: ...n the circuit breaker and communication interface module locations These wires are to be connected to the module and circuit breaker to allow the module to communicate over the power system To install...

Страница 119: ...M FACTORY MINIMUM MAXIMUM WEAR BEFORE REPAIR inches mm inches mm inches mm MAIN BEARING Main Bearing Diameter Main Bearing Journal Diameter 1 6268 41 3207 1 6233 41 2318 0020 0020 0 0508 0 0508 PUMP E...

Страница 120: ...Side Shield 6 10 8 13 Oil Pump Drive Segment 12 16 16 22 Unloader Valve 5 16 18 16 20 2 27 Cover Plate Plate End Bearing Head Terminal Block Cap Screws 20 30 27 41 Suction Valve Discharge Valve 3 8 16...

Страница 121: ...00 4 90 6 21 3 7 25 5 0 26 0 26 75 24 78 7 542 6 5 53 5 43 4 20 4 6 31 7 0 32 0 32 80 27 86 7 597 8 6 10 5 98 2 19 5 6 36 6 0 39 0 39 85 29 95 3 657 1 6 70 6 57 0 18 6 5 44 8 0 46 0 45 90 32 104 3 71...

Страница 122: ...as troubleshooting guide only for model series 69NT40 with fresh air makeup vent closed unit powered on 460VAC 60Hz and SMV 100 open Compressor Discharge Pressure Versus Ambient Air Temperature at St...

Страница 123: ...17 8 C Box 48 9 43 3 37 8 32 2 26 7 21 1 15 6 35 F 1 7 C Box Compressor Suction Pressure Versus Ambient Air Temperature at Stable Box Temperature 8 9 10 11 12 13 14 15 16 17 60 70 80 90 100 110 120 A...

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Страница 127: ...RICAL WIRING SCHEMATIC AND DIAGRAMS 8 1 INTRODUCTION This section contains the Electrical Schematics and Wiring Diagrams Figure 8 1 Single Evaporator Fan Capability And VPS Legend Downloaded from Manu...

Страница 128: ...T 368 8 2 Figure 8 2 Single Evaporator Fan Capability And VPS Schematic Diagram Downloaded from ManualsNet com search engine...

Страница 129: ...8 3 T 368 Figure 8 3 Single Evaporator Fan Capability And VPS Unit Wiring Diagram Downloaded from ManualsNet com search engine...

Страница 130: ...T 368 8 4 Figure 8 4 Single Evaporator Fan Capability And VPS Unit Wiring Diagram Downloaded from ManualsNet com search engine...

Страница 131: ...8 5 T 368 Figure 8 5 Single Evaporator Fan Capability and Emergency Bypass Legend Downloaded from ManualsNet com search engine...

Страница 132: ...T 368 8 6 Figure 8 6 Single Evaporator Fan Capability and Emergency Bypass Schematic Diagram Downloaded from ManualsNet com search engine...

Страница 133: ...8 7 T 368 Figure 8 7 Single Evaporator Fan Capability and Emergency Bypass Unit Wiring Diagram Downloaded from ManualsNet com search engine...

Страница 134: ...T 368 8 8 Figure 8 8 Single Evaporator Fan Capability and Emergency Bypass Unit Wiring Diagram Downloaded from ManualsNet com search engine...

Страница 135: ...8 9 T 368 Figure 8 9 Single Evaporator Fan Capability Emergency Bypass and Failsafe Legend Downloaded from ManualsNet com search engine...

Страница 136: ...T 368 8 10 Figure 8 10 Single Evaporator Fan Capability Emergency Bypass and Failsafe Schematic Diagram Downloaded from ManualsNet com search engine...

Страница 137: ...8 11 T 368 Figure 8 11 Single Evaporator Fan Capability Emergency Bypass and Failsafe Unit Wiring Diagram Downloaded from ManualsNet com search engine...

Страница 138: ...T 368 8 12 Figure 8 12 Single Evaporator Fan Capability Emergency Bypass and Failsafe Unit Wiring Diagram Downloaded from ManualsNet com search engine...

Страница 139: ...entification 2 1 Configuration Software CnF Variables 4 3 Connect Power 5 1 Connect Remote Monitoring Receptacle 5 2 Connection to 190 230VAC Power 5 1 Connection To 380 460 VAC Power 5 1 Control Box...

Страница 140: ...e of Operation 4 7 Perishable Mode Temperature Control 4 4 Perishable Pulldown 4 4 Perishable Steady State 4 4 Perishable Dehumidification Bulb Mode 4 6 Physical Inspection 5 3 Plate Set 2 1 Pressure...

Страница 141: ...ter Port 2 2 Thermostatic Expansion Valve 7 16 TXV Replacement 7 17 U Unit Introduction 2 1 Upper Air Fresh Air Make Up 2 2 Upper Fresh Air Makeup Vent 5 2 USDA 2 1 USDA Cold Treatment 4 17 USDA Cold...

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Страница 143: ...f the United Technologies Corporation Stock symbol UTX Carrier Transicold Division Carrier Corporation P O Box 4805 Syracuse NY 13221 USA www carrier transicold com Downloaded from ManualsNet com sear...

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