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Carrier 69NT40-551-500, Operation And Service

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Carrier 69NT40-551-500 Operation And Service Download Page 63

T-334

4--6

SET POINT

PULL DOWN

RISING

TEMPERATURE

-0.5C

(0.9F)

-0.20C

+.20C

HEATING

HEATING

AIR CIRCULATION

+2.5C

(4.5F)

UNLOADED OPERATION

MODULATED

COOLING

UNLOADED

AIR CIRCULATION

SET POINT

+.20C

HEATING

+2.5C

(4.5F)

FALLING

TEMPERATURE

MODULATED

COOLING

UNLOADED

-0.5C

(0.9F)

AIR CIRCULATION

NOTE: TEMPERATURES INDICATIONS ARE ABOVE OR BELOW SET POINT

START UNLOADED,

TRANSITION TO

ECONOMIZED

OPERATION

-0.20C

Figure 4--3 Controller Operation - Perishable Mode

SET POINT

FALLING

TEMPERATURE

RISING

TEMPERATURE

-0.20C

+.20C

COOLING

ECONOMIZED

AIR CIRCULATION

START UNLOADED,

TRANSITION TO

ECONOMIZED

OPERATION

NOTE: TEMPERATURES INDICATIONS ARE ABOVE OR BELOW SET POINT

AIR CIRCULATION

Figure 4--4 Controller Operation - Frozen Mode

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Summary of Contents for 69NT40-551-500

Page 1: ...T 334 Rev B OPERATION AND SERVICE for 69NT40 551 500 TO 599 Container Refrigeration Units Container Refrigeration R Downloaded from ManualsNet com search engine...

Page 2: ...OPERATION AND SERVICE MANUAL CONTAINER REFRIGERATION UNIT Models 69NT40 551 500 to 599 Downloaded from ManualsNet com search engine...

Page 3: ...ompressor 1 1 1 3 11 Condenser Coil 1 1 1 3 12 Autotransformer 1 2 1 3 13 Temperature Recorder 1 2 1 3 14 Gutters 1 2 1 3 15 Handles 1 2 1 3 16 Thermometer Port 1 2 1 3 17 Water Cooling 1 2 1 3 18 Bac...

Page 4: ...CONTROLLER SOFTWARE 3 3 3 2 1 Configuration Software Variables 3 3 3 2 2 Operational Software Function Codes 3 3 3 3 MODES OF OPERATION 3 4 3 3 1 Temperature Control Perishable Mode 3 4 3 3 2 Evaporat...

Page 5: ...esh Air Position Sensor 4 2 4 4 CONNECT WATER COOLED CONDENSER 4 3 4 4 1 Water Cooled Condenser with Water Pressure Switch 4 3 4 4 2 Water Cooled Condenser with Condenser Fan Switch 4 3 4 5 CONNECT RE...

Page 6: ...OLD GAUGE SET 6 1 6 3 REFRIGERATION SYSTEM SERVICE UNITS WITH STANDARD PIPING with Service Valves 6 2 6 3 1 Service Connections 6 2 6 3 2 Pumping Down the Unit 6 2 6 3 3 Refrigerant Leak Checking 6 3...

Page 7: ...ROLS 6 16 6 18 SUCTION MODULATION VALVE 6 18 6 18 1 Precheck Procedure 6 18 6 18 2 Checking The Stepper valve 6 18 6 19 AUTOTRANSFORMER 6 18 6 20 CONTROLLER 6 19 6 20 1 Handling Modules 6 19 6 20 2 Co...

Page 8: ...Frozen Mode 4 8 Figure 4 8 Defrost 4 8 Figure 6 1 Manifold Gauge Set 6 1 Figure 6 2 R 134a Manifold Gauge Hose Set 6 1 Figure 6 3 Service Valve 6 2 Figure 6 4 Refrigeration System Service Connections...

Page 9: ...l Evaporator Fan Capability 7 10 Figure 7 10 WIRING DIAGRAM Normal Evaporator Fan Capability with Bypass Module 7 12 Figure 7 11 WIRING DIAGRAM Single Phase Single Evaporator Fan Capability 7 14 Figur...

Page 10: ...system should be diagnosed and any necessary repairs performed by qualified service personnel When performing any arc welding on the unit or container disconnect all wire harness connectors from the m...

Page 11: ...OFF and power plug disconnected before removing capacitor s WARNING With power OFF discharge the capacitor before disconnecting the circuit wiring WARNING Do not use a nitrogen cylinder without a pre...

Page 12: ...ster Oil POE EAL 32ST compres sor oil with R 134a Buy in quantities of one quart or smaller When using this hygro scopic oil immediately reseal Do not leave container of oil open or contamination will...

Page 13: ...field equipped to the base unit These options are listed in the tables and described in the following subparagraphs 1 3 1 Battery The refrigeration controller may be fitted with standard replaceable...

Page 14: ...t cover 1 3 22 Upper Air Fresh Air Make Up The unit may be fitted with an upper fresh air makeup assembly The fresh air makeup assembly is available with a vent positioning sensor VPS and may also be...

Page 15: ...14 16 9 18 12 15 10 11 5 6 17 7 1 Access Panel Evap Fan 1 2 Fork Lift Pockets 3 Control Box 4 Compressor 5 Economizer 6 Filter Drier 7 Receiver or Water Cooled Condenser 8 Unit Serial Number Model Num...

Page 16: ...nt access panels Components not readily accessible via these locations are defrost heaters and suction temperature sensor 18 1 2 3 4 5 6 7 8 9 10 11 12 14 13 15 16 17 WITH EXPANSION BYPASS 1 Evaporato...

Page 17: ...Supply Air Thermometer Port location 3 Compressor 4 Discharge Connection Hidden 5 Economizer Connection 6 Suction Connection Hidden 7 Compressor Power Plug 8 Oil Drain 9 Compressor Sight Glass 10 Dis...

Page 18: ...s it horizontally through the condenser fan grille 5 6 1 2 4 3 7 8 9 10 11 12 13 14 15 16 17 18 19 20 1 Grille and Venturi Assembly 2 Condenser Fan 3 Key 4 Condenser Fan Motor 5 Condenser Coil 6 Conde...

Page 19: ...he standard unit receiver 1 2 3 4 10 11 5 6 7 8 9 12 13 14 15 16 17 1 Water Cooled Condenser 2 Rupture Disc 3 Moisture Liquid Indicator 4 Filter Drier 5 From Air Cooled Condenser 6 Economizer 7 To Eva...

Page 20: ...16 17 Contactor Arrangement Normal Fan Operation Contactor Arrangement Three Phase Evaporator Motors CH PA HR CF ES EF PB PA HR CF ES EF PB Contactor Arrangement Shown Single Fan Capability 1 Compres...

Page 21: ...C 130 5 F Closes 38 4 C 100 7 F e High Pressure Switch Cutout 25 1 0 kg cm2 350 10 psig Cut In 18 0 7 kg cm2 250 10 psig f Refrigerant Charge Unit Configuration Charge Requirements R 134a Water Coole...

Page 22: ...Hz Full Load Amps High Speed 1 6 1 9 Full Load Amps Low Speed 0 8 1 0 Nominal Horsepower High Speed 0 49 0 84 Nominal Horsepower Low Speed 0 09 0 11 Rotations Per Minute High Speed 2850 rpm 3450 rpm R...

Page 23: ...ative humidity RH percentage 30 0 99 V 50 1 65 V 70 2 31 V 90 2 97 V 2 4 SAFETY AND PROTECTIVE DEVICES Unit components are protected from damage by safety and protective devices listed in the followin...

Page 24: ...ule Fuse FEB 10 amp rating Excessive current draw by the emergency defrost module Fuse FED 5 amp rating Excessive condenser fan motor winding temperature Internal Protector IP CM Automatic Reset N A E...

Page 25: ...Economized Operation In the economized mode the frozen and pull down capacity of the unit is increased by subcooling the liquid refrigerant entering the evaporator expansion valve Overall efficiency...

Page 26: ...LIV STANDARD OPERATION WITH WATER COOLED CONDENSER COMPRESSOR FILTER DRIER CONDENSER DISCHARGE SERVICE VALVE USV SUCTION SERVICE VALVE SMV TXV BULB ECONOMIZER TXV ESV ECONOMIZER ECONOMIZER TXV BULB EV...

Page 27: ...E RECEIVER ECONOMIZER CONNECTION LIV Figure 2 8 Refrigeration Circuit Schematic Economized Operation ECONOMIZER PRESSURE SUCTION SERVICE VALVE USV SUCTION RECEIVER ECONOMIZER CONNECTION Figure 2 9 Ref...

Page 28: ...aCORDER software is provided in paragraph 3 6 The key pad and display module serve to provide user access and readouts for both of the controller functions temperature control and DataCORDER The funct...

Page 29: ...optional manual defrost switch was toggled on Enter Confirms a selection or saves a selection to the controller Arrow Up Change or scroll a selection upward Pre trip advance or test interruption Arro...

Page 30: ...variables operating software Function Codes and Alarm Code indications d Provide a Pre Trip step by step checkout of refrigera tion unit performance including proper component operation electronic an...

Page 31: ...erval to the next defrost based on the accumulation of ice on the evaporator coil In this way defrosts are scheduled to occur only when necessary Once set point has been reached in frozen operation th...

Page 32: ...atisfied the controller will activate the heat relay to begin dehumidification 1 The humidity sensor reading is above the set point 2 The unit is in the perishable steady state mode and supply air tem...

Page 33: ...sor has run for at least five minutes the unit will transition to the frozen idle mode The compressor is turned off and the evaporator fans continue to run to circulate air throughout the container If...

Page 34: ...ive alarm where is the alarm code Or IA will display for an inactive alarm See Table 3 6 page 3 20 e END is displayed to indicate the end of the alarm list if any alarms are active f CLEAr is displaye...

Page 35: ...A Trip Comment Humidification Start and End USDA Probe Calibration Fresh Air Vent Position 3 6 2 DataCORDER Software The DataCORDER Software is subdivided into the Configuration Software Operational S...

Page 36: ...ch Mean Time GMT 3 6 5 Thermistor Format dCF04 The user may configure the format in which the thermistor readings are recorded The short resolution is a 1 byte format and the long resolution is a 2 by...

Page 37: ...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 ___________________________________________...

Page 38: ...ble which is then plugged into an interrogation port No controller battery pack is required with this method 4 Real Time Clock demand If the DataCORDER is equipped with a charged battery pack and AC p...

Page 39: ...ity to maintain supply air temperature within one quarter degree Celsius of set point and record minute changes in product temperature within the DataCORDER memory thus meeting USDA criteria Informati...

Page 40: ...alarm is inactive d END is displayed to indicate the end of the alarm list if any alarms are active CLEAr is displayed if all the alarms in the list are inactive e If no alarms are active the Alarm Q...

Page 41: ...ut No In Yes CnF18 Heater Old Low Watt nEW High Watt CnF19 Controlled Atmosphere Out No In Yes CnF20 Suction Pressure Sensor Out No In Yes CnF21 Autotransformer Out In CnF22 Economy Mode Option OFF St...

Page 42: ...Selection OFF Bulb dEHUM CnF51 Timed Defrost Disable 0 0 out 1 in CnF52 Oil Return Algorithm 1 0 out 1 in CnF53 Water Cool Oil Return Logic 0 0 out 1 in CnF55 TXV Boost Relay 0 0 out 1 in CnF56 TXV B...

Page 43: ...The ambient sensor reading is displayed Cd10 Compressor Suction Temperature Compressor suction temperature sensor reading is displayed Cd11 Compressor Dis charge Temperature Compressor discharge tempe...

Page 44: ...t power up This option prevents short power interruptions from resetting an almost expired defrost interval and possibly delaying a needed defrost cycle NOTE The defrost interval timer counts only dur...

Page 45: ...alt may be selected for alternating speed Lo for low speed evaporator fan only or Hi for high speed evaporator fan only If a setting other than alt has been selected and bulb mode is deactivated in an...

Page 46: ...99 increments of 1 The default is 0 ProbE probe positions example 12_4 The default is SPnEW C F in 0 1 degree increments The default is 10 0C Cd53 Automatic Set point Change Mode Parameter Selection C...

Page 47: ...detection If the system is unable to determine the proper rela tionship alarm 14 will remain active Additional information on phase detection may be displayed at Function Code Cd41 If the right most...

Page 48: ...hat all of the control sensors are out of range This can occur for box temperatures outside the range of 50C to 70C 58F to 158F This alarm triggers the failure action code set by Func tion Code Cd29 A...

Page 49: ...ermostat switch is opened ex cept when defrost sensor alarm is active This alarm will remain active until the heat termination thermostat closes AL60 Defrost Temperature Sensor Failure Alarm 60 is an...

Page 50: ...l appear on the display This is an indication the controller needs to be replaced ERROR DESCRIPTION ERR 0 RAM failure Indicates that the controller working memory has failed ERR 1 Program Memory failu...

Page 51: ...asses if current draw change is within the range specified P2 1 Condenser Fan Off Setup Condenser fan is turned OFF a current draw test is done after 10 seconds Pass Fail Criteria Passes if current dr...

Page 52: ...a The temperature difference between primary and secondary probe return is compared NOTES 1 If this test fails P5 2 and FAIL will be displayed If both Probe tests this test and the SUPPLY RETURN pass...

Page 53: ...calculated dome temperature become invalid compressor current is greater than 125 of current limit calculated from input voltage and frequency P7 1 High Pressure Switch Closed Requirements Test P7 0 m...

Page 54: ...equivalent of normal heating If the container temperature is above 7 2C at the start of the test then the test proceeds immediately to test 10 1 During this test the control temperature will be shown...

Page 55: ...R serial number consists of eight characters Function code dC26 contains the first four characters Function code dC27 contains the last four characters This serial number is the same as the controller...

Page 56: ...ischarge Pressure Sensor Test Pass Fail Skip 6 3 Suction Pressure Sensor Test Pass Fail Skip 6 4 Compressor Current Draw Test Pass Fail Skip 6 5 Suction Modulation valve Test Pass Fail Skip 6 6 Econom...

Page 57: ...oint 1 8 Out of Range The network data point is outside of its specified range The DataCORD ER is configured by default to record the supply and return recorder sen sors The DataCORDER may be configur...

Page 58: ...g the 460 VAC yellow cable into a de energized 380 460 VAC 3 phase power source Energize the power source Place circuit breaker CB 1 in position I ON Close and secure control box door 4 2 2 Connection...

Page 59: ...control discs The fresh air makeup can be adjusted for 15 35 50 and 75 cubic meters per hour CMH The air flow has been established at 60 Hz power and a 2 1 2 inch T bar with 15 mm 0 6 inch H2O extern...

Page 60: ...Energizes remote cool light Sockets C to A Energizes remote defrost light Sockets D to A Energizes remote in range light 4 6 STARTING AND STOPPING INSTRUCTIONS WARNING Make sure that the unit circuit...

Page 61: ...ly terminate When initiated via communications a test may not be interrupted with an arrow key but the pre trip mode can be terminated with the PRE TRIP key a Press the PRE TRIP key This accesses a te...

Page 62: ...ormal time initiated defrost b Probe Diagnostic Logic Special If the probe check option is configured for special the above criteria are applicable A defrost with probe check will be initiated if 25 o...

Page 63: ...ION NOTE TEMPERATURES INDICATIONS ARE ABOVE OR BELOW SET POINT START UNLOADED TRANSITION TO ECONOMIZED OPERATION 0 20C Figure 4 3 Controller Operation Perishable Mode SET POINT FALLING TEMPERATURE RIS...

Page 64: ...temperature set point and time A calculation is then performed to determine temperature drift from set point over time f If the calculation determines cooling is no longer re quired contacts TC and T...

Page 65: ...illuminated 4 10 5 Sequence of Operation Defrost The defrost cycle may consist of up to three distinct operations The first is de icing of the coil the second is a probe check cycle and the third is...

Page 66: ...nsed temperature that is too small to be detected by the normal sensor out of range tests The system will run for eight minutes in this condition At the end of the eight minutes probe alarms will be s...

Page 67: ...ressor hums but does not start Low line voltage Check Single phasing Check Shorted or grounded motor windings 6 5 Compressor seized 6 5 5 2 UNIT OPERATES LONG OR CONTINUOUSLY IN COOLING Container Hot...

Page 68: ...Replace Control Transformer defective Replace Evaporator fan internal motor protector open 6 15 Heat relay defective Check Heater termination thermostat open 6 13 Unit will not heat or has insuffi cie...

Page 69: ...Replace Suction service valve partially closed Open Filter drier partially plugged 6 11 Low refrigerant charge 6 3 6 4 Expansion valve defective 6 12 No evaporator air flow or restricted air flow 6 13...

Page 70: ...e seat 6 12 Superheat not correct 6 12 1 Power assembly failure 6 12 Loss of element bulb charge Broken capillary Foreign material in valve High suction pressure with low superheat Superheat setting t...

Page 71: ...pressor Check Incorrect wiring of compressor contactor s Incorrect wiring of current sensor 5 15 ABNORMAL TEMPERATURES High discharge temperature Discharge temperature sensor drifting high Replace Fai...

Page 72: ...suction low pressure can be checked When the discharge pressure hand valve is frontseated the discharge high pressure can be checked When both valves are open all the way out high pressure vapor will...

Page 73: ...vice valve 2 Midseat both hand valves on the manifold gauge set and allow the pressure in the manifold gauge set to be drawn down to low side pressure This returns any liquid that may be in the high s...

Page 74: ...ystems The presence of moisture in a refrigeration system can have many undesirable effects The most common are copper plating acid sludge formation freezing up of metering devices by free water and f...

Page 75: ...rigerant recovery system wheneverremov ing refrigerant When working with refrigerants you must comply with all local government envi ronmental laws In the U S A refer to EPASec tion 608 a Connect the...

Page 76: ...suction modulating valve is more than 10 open at controller function code Cd01 If required the suc tion modulating valve may be opened by use of con troller function code Cd41 valve override control c...

Page 77: ...Wait a few minutes to be sure the vacuum holds g Break the vacuum with clean dry refrigerant 134a gas Raise system pressure to approximately 0 2 kg cm2 2 psig monitoring it with the compound gauge h...

Page 78: ...and discard the rubber gasket that was located between the terminal box and the com pressor shell e Remove and discard the rubber gasket that was lo cated between the terminal box and the compressor s...

Page 79: ...he four ser vice fittings loosely q Torque the four base mounting screws to 6 2 mkg 45 ft lbs r Torque the four compressor fittings to Service Valve Torque Suction or Discharge 11 to 13 8 mkg 80 to 10...

Page 80: ...l plug and drain oil until a level can be seen in the sight glass 4 Run unit for 20 minutes in cooling mode Check oil level at the compressor sight glass 6 7 HIGH PRESSURE SWITCH 6 7 1 Replacing High...

Page 81: ...ant vapor is admitted to the shell side and is condensed on the outer surface of the coil Rust scale and slime on the water cooling surfaces inside of the coil interfere with the transfer of heat redu...

Page 82: ...gas 6 4 3 1 2 12 11 10 7 8 9 5 1 Pump support 2 Tank 3 Suction 4 Pump 5 Priming Connection Centrifugal pump 50 gpm at 35 head 6 Globe valves 7 Vent 8 Close vent pipe valve when pump is running 9 Conde...

Page 83: ...f moisture the filter drier should be replaced b To Replace Filter Drier 1 Pump down the unit refer to paragraph 6 3 2 Eva cuate if unit is not equipped with service valves Re fer to paragraph 6 4 4 T...

Page 84: ...e 6 13 Economizer Expansion Valves 1 Pump down the unit per paragraph 6 3 2 Evacuate if unit is not equipped with service valves Refer to paragraph 6 4 4 2 Remove cushion clamps located on the inlet a...

Page 85: ...e that the failed heater should be replaced To replace a heater do the following a Before servicing unit make sure the unit circuit break ers CB 1 CB 2 and the start stop switch ST are in the OFF posi...

Page 86: ...otor bearings are factory lubricated and do not require additional grease 6 15 1 Replacing The Evaporator Fan Assembly WARNING Always turn OFF the unit circuit breakers CB 1 CB 2 and disconnect main p...

Page 87: ...eck they may be removed by two methods 1 If container is empty open upper rear panel of the unit The capacitor may be serviced after discon necting power plug 2 If container is full turn the unit powe...

Page 88: ...ovided in the following table d If the timer is not operating follow the above proce dure to display the timer Use an ARROW key toscroll to the desired time interval and press ENTER to start the timer...

Page 89: ...open and close the SMV allows a more thorough check of the operating mechanism To check operation 1 Stop the unit disconnect the KE plug from the front of the controller and attach the SMA 12 stepper...

Page 90: ...l connections if possible Place the module on the static mat e The strap should be worn during any service work on a module even when it is placed on the mat 6 20 2 Controller Trouble Shooting A group...

Page 91: ...ftware programming PCMCIA card contain ing the following example files into the program ming software port See Figure 6 19 menuDDMM ml3 this file allows the user to select the file program to upload i...

Page 92: ...ensor reading is not stablefor 4minutes orif the sensor is outside of its valid range shorted or open This can occur if the vent is loose or the panel is defective To confirm a defective panel assure...

Page 93: ...f defective sensor and discard the defective probe only Slide the cap and grommet off a bulb type sensor and save for reuse Do not cut the grommet c Cut one wire of existing cable 40 mm 1 1 2 inches s...

Page 94: ...erature is sensed 6 23 ELECTRONIC PARTLOW TEMPERATURE RECORDER The microprocessor based temperature recorder is designed to interface with the DataCORDER to log temperature with time The electronic re...

Page 95: ...ton item 2 NOTE Failure to press the change chart button when changing a chart with the power OFF may result in the chart advancing when power is applied d Install a new chart make sure the chart cent...

Page 96: ...force is too great wrinkling or tearing of the paper chart may occur 6 23 4 Rezeroing the Recording Thermometer For Electronic Partlow Recorder CTD part number 12 00464 xx Where xx an odd number examp...

Page 97: ...loth with the epoxy glue spreading evenly e Remove the tape and overlap the edge of the cloth approximately 6 to 12 mm 1 4 to 1 2 with glue f Epoxy will dry in 45 60 minutes When completely cured 12 h...

Page 98: ...cludes 76 50084 00 1 2 Insert 17 53 x 9 91 mm 0 690 x0 390 in 1 4 20 Threads 34 06231 01 10 3 Insert 15 88 x 6 35 mm 0 625 x 0 250 in 10 24 Threads 34 06231 03 10 4 Insert 25 15 x 7 54 mm 0 990 x 0 29...

Page 99: ...6 28 T 334 03 04 01 07 05 06 INSERT PART NUMBERS 34 06231 WHERE THE IS AS INDICATED 03 03 03 03 04 05 07 Figure 6 26 Insert Location Downloaded from ManualsNet com search engine...

Page 100: ...factory provisioned wiring remove the circuit breaker panel with circuit breaker from the control box Locate wires CB21 CIA3 CB22 CIA5 and CB23 CIA7 that have been tied back in the wire harness Remove...

Page 101: ...40 1 37 24 4 21 4 147 6 1 50 1 48 26 3 22 9 157 9 1 61 1 58 Temperature Pressure F C psig kPa kg cm2 bar 28 2 24 5 168 9 1 72 1 69 30 1 26 1 180 0 1 84 1 80 32 0 27 8 191 7 1 95 1 92 34 1 29 6 204 1 2...

Page 102: ...am for units with three phase evaporator motor capability Figure 7 6 supplements Figure 7 2 and Figure 7 3 and provides schematics for TransFRESH and Emergency Bypass Figure 7 7 supplements Figure 7 2...

Page 103: ...LEGEND SYMBOL DESCRIPTION Normal Schematic Location Single Evaporator Fan Schematic Location PA COMPRESSOR PHASE CONTACTOR L 8 M 7 P 1 L 12 M 11 N 1 PB COMPRESSOR PHASE CONTACTOR L 7 M 8 P 2 L 11 M 12...

Page 104: ...7 3 T 334 FOR VPS see Figure 7 8 C Figure 7 2 SCHEMATIC DIAGRAM Single Phase Normal Evaporator Fan Capability Downloaded from ManualsNet com search engine...

Page 105: ...7 4 T 334 Figure 7 3 SCHEMATIC DIAGRAM Single Phase Single Evaporator Fan Capability Downloaded from ManualsNet com search engine...

Page 106: ...R CONNECTOR REAR T 22 IP INTERNAL PROTECTOR E 12 H 10 H 12 LEGEND SYMBOL DESCRIPTION LIV LIQUID INJECTION SOLENOID VALVE K 10 PA UNIT PHASE CONTACTOR L 1 M 6 PB UNIT PHASE CONTACTOR L 3 M 7 PE PHYSICA...

Page 107: ...7 6 T 334 Figure 7 5 SCHEMATIC DIAGRAM Three Phase Evaporator Fan Motor Downloaded from ManualsNet com search engine...

Page 108: ...m KA2 From ECG1 Main Power LEGEND BM BYPASS MODULE EB EMERGENCY BYPASS FEB FUSE EMERGENCY BYPASS FT FUSE TransFRESH MS MANUAL SWITCH SMV SUCTION MODULATING VALVE Figure 7 6 SCHEMATIC DIAGRAM TransFRES...

Page 109: ...7 8 T 334 LEGEND CR CHART RECORDER Figure 7 7 SCHEMATIC AND WIRING DIAGRAM Electronic Partlow Recorder For Single Phase Evaporator Fan Motor Applications Downloaded from ManualsNet com search engine...

Page 110: ...SENSOR NOTE VPS2 TO M1 FOR STANDARD VPS VPS2 TO T1 FOR UPPER VPS VIEWABLE WHILE UNIT IS ON BATTERY POWER SEE NOTE SEE NOTE SEE NOTE Figure 7 8 SCHEMATIC AND WIRING DIAGRAM Upper and Lower Vent Positi...

Page 111: ...igure 7 5 for detail See Figure 7 5 for detail Condenser Location Control Box Location Figure 7 9 WIRING DIAGRAM Single Phase Normal Evaporator Fan Capability Sheet 1 of 2 Downloaded from ManualsNet c...

Page 112: ...7 11 T 334 Figure 7 9 WIRING DIAGRAM Single Phase Normal Evaporator Fan Capability Sheet 2 of 2 Downloaded from ManualsNet com search engine...

Page 113: ...e 7 5 for detail See Figure 7 5 for detail Control Box Location Condenser Location Figure 7 10 WIRING DIAGRAM Normal Evaporator Fan Capability with Bypass Module Sheet 1 of 2 Downloaded from ManualsNe...

Page 114: ...7 13 T 334 Figure 7 10 WIRING DIAGRAM Normal Evaporator Fan Capability with Bypass Module Sheet 2 of 2 Downloaded from ManualsNet com search engine...

Page 115: ...7 14 T 334 Figure 7 11 WIRING DIAGRAM Single Phase Single Evaporator Fan Capability Sheet 1 of 2 Downloaded from ManualsNet com search engine...

Page 116: ...7 15 T 334 Figure 7 11 WIRING DIAGRAM Single Phase Single Evaporator Fan Capability Sheet 2 of 2 Downloaded from ManualsNet com search engine...

Page 117: ...7 16 T 334 8 Figure 7 12 WIRING DIAGRAM Three Phase Evaporator Fan Motor Sheet 1 of 2 Downloaded from ManualsNet com search engine...

Page 118: ...7 17 T 334 Figure 7 12 WIRING DIAGRAM Three Phase Evaporator Fan Motor Sheet 2 of 2 Downloaded from ManualsNet com search engine...

Page 119: ...RDER Communications 3 10 DataCORDER Software 3 8 DataReader 3 10 DataView 3 11 Defrost Interval 3 4 Defrost Mode 4 8 Display Module 3 2 E Economized Operation Refrigeration Circuit 2 11 Electrical Dat...

Page 120: ...tion Leak Checking 6 5 Refrigeration System Data 2 7 Refrigeration System Units with Service Valves 6 2 Refrigeration System Units without Service Valves 6 5 Refrigeration Unit Front Section 2 1 S Saf...

Page 121: ...rrier Transicold Division Carrier Corporation Container Products Group P O Box 4805 Syracuse N Y 13221 U S A www carrier transicold com A member of the United Technologies Corporation family Stock sym...

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