Mitsubishi TEJ50AE Operation Manual
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Mitsubishi TEJ50AE Operation Manual

Mitsubishi TEJ50AE Operation Manual

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OPERATION MANUAL
OPERATION MANUAL
MITSUBISHI TRANSPORT REFRIGERATION UNIT
TEJ50AE
TEJ50AEM
This operation manual is
intended to provide users
with a good knowledge to
use Mitsubishi Refrigeration
Unit safely.
Operate or service the
refrigeration unit only after
you have read this manual
and understand its
contents.
Carefully store this manual
immediately available for
your reference when you
need it.
Original Instructions
TSJ012A242
A
YEAR:2021

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Summary of Contents for Mitsubishi TEJ50AE

  • Page 1 OPERATION MANUAL OPERATION MANUAL MITSUBISHI TRANSPORT REFRIGERATION UNIT TEJ50AE TEJ50AEM This operation manual is intended to provide users with a good knowledge to use Mitsubishi Refrigeration Unit safely. Operate or service the refrigeration unit only after you have read this manual and understand its contents.

  • Page 2: Important Information

    Thank you for your purchase of Mitsubishi Transport Refrigeration Unit. Purpose of use and application This Refrigeration Unit is intended to carry the cargo (with the exception of volatile, inflammable, hazardous and corrosive matters) on a transportation vehicle, keeping the inside container temperature at a certain degree.

  • Page 3: Operation Manual

    Operation manual ● This operation manual is prepared for people who speaks English. In case that person whose native language is not English handles this refrigeration unit, he or she must be instructed on safety by the customer. Furthermore, the warning labels described in their native language must be prepared and stuck on the proper places.

  • Page 4: Information On The Models

    Information on the models This operation manual describes how to use the following models. (1) Standard system for single refrigeration compartment TEJ50AE (2) 2-evaporator system for two refrigeration compartments with heat pump refrigerant cycle TEJ50AEM The power system is not our product.

  • Page 5: Table Of Contents

    General precautions ---------------- 14 5 Operation ----------------- 38 During and after the operation ---- 15 Selecting the operation Inspection/Cleaning/Repair -------- 16 pattern (TEJ50AE only) -------- 39 Loading ------------------------------ 17 Starting the operation ---------- 41 Handling of electric equipment and power codes ------------------- 18...
  • Page 6 8 Cautions for use --------- 59 Stopping the operation -------- 41 Normal stop procedure ------------ 41 When operating at a low inside container temperature for a long Emergency stop procedure ------- 41 period of time: ----------------------- 59 Suspending (sleep) the compartment When stopping the refrigeration operation (2-compartment model) -- 42 unit for a long period of time: ------ 59...

  • Page 7: Function Of Refrigeration Unit

    This switching takes place automatically without operator intervention. (2) Operation pattern selection function (TEJ50AE only) This is the function to switch operation pattern (automatic start/stop operation/continuous operation).

  • Page 8: Name Of Each Part

    2 Name of each part Arrangement plan for main parts TEJ50AE (Single compartment model) (To power system) Refrigeration unit Cabin controller Control box (high voltage) High voltage cable (orange color) Compressor • Layout could vary depending on vehicles, etc. Please check before use.
  • Page 9 2 Name of each part TEJ50AEM (2-compartment model) (To power system) Refrigeration unit Cabin controller Control box (high voltage) High voltage cable (orange color) Compressor Rear evaporator unit • Layout could vary depending on vehicles, etc. Please check before use. - 3 -...

  • Page 10: Refrigeration Unit

    2 Name of each part Refrigeration unit TEJ50AE Top view Front view Back view Evaporator outlet Condenser fan motor Evaporator fan motor Condenser coil Dryer Compressor Evaporator coil Control box Expansion valve • Form of components and specifications may very depending on models.
  • Page 11 2 Name of each part TEJ50AEM Top view Front view Back view Outlet Inside heat exchanger Inside fan motor Outside heat exchanger Dryer Outside fan motor Outside expansion valve Compressor Sight glass Control box Inside expansion valve • Form of components and specifications may very depending on models. - 5 -...

  • Page 12: Rear Evaporator Unit (2-Compartment Model)

    2 Name of each part Rear evaporator unit (2-compartment model) TES35EHP View A Evaporator outlet Evaporator coil Evaporator fan motor Expansion valve - 6 -...

  • Page 13: Cabin Controller

    2 Name of each part 2 各部の名称 Cabin controller キャビンコントローラ Cooling RUN/STOP MENU ° C ° C DEFROST ▲ ▼ S-S⇔Cont PRESET ■ 2-compartment model A Cooling B Heating ° C ° C ° C ° C A setting B setting RUN/STOP switch Starts and stops the refrigeration unit.

  • Page 14: Lcd Display Area

    2 Name of each part 2 各部の名称 LCD display area Cooling ° C ° C ▲ ▼ S-S⇔Cont ■ 2-compartment model 6 10 7 11 A Cooling B Heating ° C ° C ° C ° C A setting B setting Description of monitor display item Monitor displays following items corresponding to respective setting states.
  • Page 15 2 各部の名称 2 Name of each part Displays the operation modes. <Display contents> Cooling, Heating, Defrost, Sleep, Stop and Fan. * There is no display when Thermostat is OFF with evaporator fan motor OFF. Fan is displayed when Thermostat is OFF with evaporator fan motor ON.

  • Page 16: Protective Devices

    2 Name of each part Protective devices This refrigeration unit is provided with the following protective devices to ensure the safety of the operators. (1) Panel, Fan guard These devices prevent interference with the rotating section (fan motor) during operation. (2) Others Protective devices such as high pressure switch are built-into the refrigeration unit.

  • Page 17: Precaution For Safety

    3 Precaution for safety In this section, necessary safety precautions are provided to prevent accidents resulting in injuries or death, property damages and environment pollution. Read and understand contents of the cautions before starting to use this refrigeration unit. Signs on safety Signs and Symbols on safety in this operation manual and the warning labels call the attention of the people who handle this refrigeration unit.

  • Page 18: Precautions

    3 Precaution for safety Precautions Handling of high-voltages DANGER When disassembling, removing, or replacing high- voltage cables or components, serious burns or electric shock may occur, causing serious personal injury or death. Never disassemble, remove, and replace not only the high voltage parts and cables, but also the wiring connectors.
  • Page 19 3 Precaution for safety WARNING A DC high-voltage of up to approx. 400 V is used for the refrigeration unit. The high-voltage cables are identified by the orange color. Do not disassemble, disconnect, or replace 1High voltage parts 2cables 3wiring connectors. Refrigeration unit (★) ★: High voltage (To power system ★...

  • Page 20: General Precautions

    3 Precaution for safety General precautions WARNING Do not start the engine for drive in poorly ventilated places such as an indoor parking lot. • Otherwise, it may cause carbon monoxide poisoning due to exhaust gas. Do not use the refrigeration unit in the atmosphere which could cause explosion at such place like gas station.

  • Page 21: During And After The Operation

    3 Precaution for safety CAUTION Do not insert sticks or fingers into cold air outlet or inlet. • Otherwise, it may cause trouble on the equipment or injury by the fan. Do not climb up, hang down or put your leg onto the refrigeration unit.

  • Page 22: Inspection/Cleaning/Repair

    3 Precaution for safety Inspection/Cleaning/Repair WARNING Do not disassemble and repair by yourself. • Otherwise, it may cause damages or an electric shock. Do not allow a person (including a child) who needs assistances to perform the inspection, cleaning, or repair without monitoring or instructions.

  • Page 23: Loading

    3 Precaution for safety Loading WARNING Do not load the volatile, inflammable or explosive possibly cargos in the container. • Otherwise, it may cause an explosion or a fire. CAUTION Cool down or heat up the cargos to the designated temperature in advance with other refrigerating device.

  • Page 24: Handling Of Electric Equipment And Power Codes

    3 Precaution for safety Handling of electric equipment and power codes WARNING • Do not splash water on the electric equipment directly or wash it with water. • Do not touch the electric equipment or operate the switches with wet hands.

  • Page 25: Reinstallation Of Refrigeration Unit

    3 Precaution for safety CAUTION Do not start and stop the operation with pulling out or inserting the power supply breaker or power code. • Otherwise, it may cause troubles of electric circuit, damages of power supply code or an electric shock. Reinstallation of the refrigeration unit WARNING User should not attempt to move...

  • Page 26: Modification Of Refrigeration Unit And Specification Change

    3 Precaution for safety Modification of refrigeration unit and specification change WARNING Do not modify the refrigeration unit or change the specification. • It may cause a serious accident if customer modify the refrigeration unit or change the specification by himself/herself. Do not use any refrigerant or refrigerating machine oil other than those specified.

  • Page 27: Emergency Measures

    3 Precaution for safety 3 Precaution for safety Emergency measures (1) Refrigerant When refrigerant got in your eye ● Wash your eye with lots of clean running water for more than 15 minutes immediately. Wash rear side of the eyelid as well. Then, consult a physician as soon as possible.
  • Page 28 3 Precaution for safety ● When swallowing compressor oil Do not throw up the oil by force and consult a physician as soon as possible. When inside the mouth is contaminated, wash it well with water. (When throwing up the oil by force, it easily gets into air passage and causes high fever if it gets into lung.

  • Page 29: Handling Of Warning Labels

    3 Precaution for safety Handling of warning labels Handling of warning labels (a) Important precautions are stated on the warning labels. Never operate Important pr ecautions ar e stated on the war ning labels. Never operate the refrigeration unit unless fully understanding the meanings of the the refrigeration unit unless fully understanding the meanings of the warning labels.
  • Page 30 3 Precaution for safety ■ Right side view (inside) AHT011H002 Rear evaporator unit ■ Bottom view TSJ011H113 - 24 -...

  • Page 31: Prevention Of Start During Inspection Work

    3 Precaution for safety Prevention of start during inspection work When several people are working simultaneously for inspection, it is necessary to protect them from getting injured by accidental start of operation. In such occasion, place a tag stating "WORKING" on the cabin controller . Clothing and protective equipment Wear proper clothing and protective equipment to prevent from getting injured.

  • Page 32: Initial Setting

    ▲ ▼ Select Normal display screen Main menu screen ・Main menu items Operation pattern selection mode Defrost interval timer mode (TEJ50AE only) Page 39 Page 35 Printer output mode Option sensor display mode Next page Next page Alarm mode Operating information mode...

  • Page 33: Language Setting Mode

    4 Initial setting If you press “F4 (Select)” switch on each MAIN menu screen on previous page, the display changes to the following screens. Operation pattern selection mode (TEJ50AE only) Current setting Mode to select the operation mode Start-Stop operation...

  • Page 34: Display And Function Of Sub-Menu

    4 初期設定 4 Initial setting サブメニューモード概略 Display and function of Sub-menu 「サブメニューモード」 は， 「F2スイッチ （▲） 」 又は 「F3スイッチ （▼） 」 を押すご On the “Sub-menu”, the screen changes in the following order at each push on “F2 ( ▲ )” or “F3 ( ▼ )” switch. In the following figure, “F2” switch changes とに，...
  • Page 35 4 初期設定 4 Initial setting If “F4 (Select)” switch is pressed on each Sub-menu screen on previous page, the display changes to following screens. Calendar and clock setting mode Calendar and clock setting Jan 2021 00:00 Date, Month, Year and current time are set in this mode.
  • Page 36 4 Initial setting Thermostat reset temp. diff. setting mode Thermostat reset temp. diff. setting Setting of temperature difference between set 2.0℃ temperature and return air temperature in Back ▲ ▼ order to return to operation (thermostat ON) in automatic start/stop operation. Setting is 1~6°C which can be changed in the unit of 0.5°C.

  • Page 37: Setting The Calendar And Clock (Date, Month, Year)

    4 初期設定 4 Initial setting 時刻（年月日）設定方法 Setting the calendar and clock (Date, Month, Year) Calendar and clock setting RUN/STOP MENU Jan 2021 00:00 Back ▲ ▼ Next DEFROST PRESET ２ ・４・5・6・ 7 ・8 3・4・5・6・ 7 ・8・9 Press “MENU” switch. ⇒ The display changes to “Main menu”...
  • Page 38 4 初期設定 4 Initial setting Press “F4 (Next)” switch. Calendar and clock setting Feb 2021 00:00 ⇒ Press “F2 (▲)” or “F3 (▼)” switch to adjust at current time (Hour). Back ▲ ▼ Next NOTE ● Time is displayed in the 24-hour scale. If it is “7 PM”, set as “19:00”.

  • Page 39: Displaying The Maintenance Information

    4 初期設定 4 Initial setting Displaying the maintenance information Maintenance information RUN/STOP MENU Total operation time/2120Hr Back Next DEFROST PRESET Press “MENU” switch. ⇒ The display changes to the “Main menu” screen. Press “F2 (▲)” or “F3 (▼)” switch Main menu till the display changes to the ▲...
  • Page 40 4 Initial setting • If you press “F4 (Next)” switch, the display changes to each display item in the table below. ■ TEJ50AE ■ TEJ50AEM Display item Display item Unit operation time Unit operation time Compressor operation time Compressor operation time...

  • Page 41: Setting The Defrost Interval

    4 初期設定 4 Initial setting デフロスト間隔時間設定方法 Setting the defrost interval Current setting RUN/STOP MENU 6.0Hr Back ▲ ▼ DEFROST PRESET 2・4 3・5 Press “MENU” switch. ⇒ The display changes to “Main menu” screen. Press “F2 (▲)” or “F3 (▼)” switch Main menu till the display changes to ▲...

  • Page 42: Setting Lcd Backlight

    4 初期設定 4 Initial setting LCDバックライト設定方法 Setting LCD backlight LCD backlight setting RUN/STOP MENU Brightness light SW-OFF Back ▲Bright ▼Dark DEFROST PRESET ２ ・3・4・5・6 3・4・5・6・ 7 Press “MENU” switch. ⇒ he display changes to “Main menu” screen. Press “F2 (▲)” or “F3 (▼)” switch Main menu till the display changes to ▲...
  • Page 43 4 初期設定 4 Initial setting Press “F4 (Select)” switch. LCD backlight setting 【Light SW linked】 Brightness of light SW-OFF ⇒ Adjust the brightness of the LCD Back ▲Bright ▼Dark Next backlight, when the vehicle’s light is OFF, pressing “F2 (▲ Bright)”...

  • Page 44: Operation

    5 Operation 1 Aaaaaa WARNING Do not operate the refrigeration unit in the place where there is a risk of combustible gas leakage. • Otherwise, it may cause a fire. Do not touch the electric devices with wet hands. • Otherwise, it may cause an electric shock.

  • Page 45: Selecting The Operation Pattern (Tej50Ae Only)

    5 運転方法 5 Operation 運転パターンの選択方法 Selecting the operation pattern (TEJ50AE only) Current setting RUN/STOP MENU [MENU switch] Start-Stop operation Back Start-Stop Continuous DEFROST PRESET [F4 switch] ２ ・４ [Select with F4 switch] (Recommand) Cooling On the normal display screen ° C (Right figure), press “F4 (S-S⇔...
  • Page 46 5 Operation NOTE ● What is the automatic start/stop operation? Inside container temperature is maintained at around the setting temperature by turning thermostat ON or OFF* for the engine during engine drive, or turning thermostat ON or OFF for the motor during motor drive. Automatic start/stop operation consumes less fuel (electricity) than the continuous operation but has a large deviation on the inside container temperature.

  • Page 47: Starting The Operation

    5 運転方法 5 Operation 運転方法 Starting the operation Cooling RUN/STOP MENU ° C ° C DEFROST ▲ ▼ S-S⇔Cont PRESET Press “RUN/STOP” switch. (The refrigeration unit is turned “ON”.) ⇒ LCD indicates the inside compartment temperature and the setting tempera- ture.

  • Page 48: Suspending (Sleep) The Compartment Operation (2-Compartment Model)

    5 Operation 5 運転方法 A Cooling B Heating RUN/STOP MENU ° C ° C ° C ° C DEFROST A setting B setting PRESET Suspending (sleep) the compartment operation (2-compartment model) On the normal display screen (Right A Cooling B Heating figure), press “F2 (Compartment A °...

  • Page 49: Setting The Temperature

    5 運転方法 5 Operation 温度設定方法 Setting the temperature Cooling RUN/STOP MENU ° C ° C DEFROST ▲ ▼ S-S⇔Cont PRESET 2・3 Start the operation of refrigeration unit. (☞ Page 41) [In case of 2-compartment mode] A Cooling B Heating On the normal display screen °...

  • Page 50: Setting The Preset Temperature

    5 運転方法 5 Operation Cooling RUN/STOP MENU ° C ° C 2・3 DEFROST ▲ ▼ S-S⇔Cont PRESET Setting the preset temperature Start the refrigeration unit. (☞ Page 41) [In case of 2-compartment model] Preset(Zone selection) Press the “Preset” switch. ⇒ In the “Preset (Zone selection)” Back Zone A Zone B...

  • Page 51: Manual Defrost Operation

    5 運転方法 5 Operation 手動デフロスト運転方法 Manual defrost operation Cooling RUN/STOP MENU ° C ° C DEFROST ▲ ▼ S-S⇔Cont PRESET Starting the manual defrost operation Press the “DEFROST” switch once during cooling operation. ⇒ The defrost operation starts. NOTE ● The defrost operation may not start when the inside container temperature is higher.

  • Page 52: Setting The On Timer

    5 運転方法 5 Operation ONタイマ設定方法 Setting the ON timer * This may not function depending on the specifications of power supply system. Set ON timer RUN/STOP MENU ON timer enable Back Enable Disable DEFROST PRESET ２ ・3・４・5・6・ 7 ・8 3・4・5・6・ 7 ・8・9 Press “MENU”...
  • Page 53 5 運転方法 5 Operation Press “F4 (Next)” switch. Set ON timer 20:25 Starting operation ⇒ Press “F2 (▲)” or “F3 (▼)” switch, and set the time (Month) of Set Back ▲ ▼ Next ON timer. Press “F4 (Next)” switch. Set ON timer Oct 23:25 Starting operation ⇒...

  • Page 54: Setting The Off Timer

    5 運転方法 5 Operation OFFタイマ設定方法 Setting the OFF timer * This may not function depending on the specifications of power supply system. Set OFF timer RUN/STOP MENU OFF timer enable Back Enable Disable DEFROST PRESET ２ ・3・４・5・6・ 7 ・8 3・4・5・6・ 7 ・8・9 Press “MENU”...
  • Page 55 5 運転方法 5 Operation Press “F4 (Next)” switch. Set OFF timer 20:25 Stopping operation ⇒ Press “F2 (▲)” or “F3 (▼)” switch, and set the time (Month) of Set Back ▲ ▼ Next OFF timer. Press “F4 (Next)” switch. Set OFF timer Oct 23:25 Stopping operation ⇒...

  • Page 56: Loading

    6 Loading Preparation before loading CAUTION Before loading, cool down or heat up inside of the container to the appropriate setting temperature for the transportation of cargoes. Cargoes must be cooled down or heated up to the designated temperature with other refrigeration device in advance.

  • Page 57: Loading And Unloading

    6 Loading 6 Loading Loading and unloading Loading procedure Stop the cooling operation. ( Refer to page 41) Load the cargoes in the container. Leave a space between the cargo and inner wall of the container as shown in the following figure in order to circulate cool air. Supply air outlet Evaporator Lower than supply air outlet...

  • Page 58: Unloading

    6 Loading 6 Loading Unloading Stop the cooling operation. ( Refer to page 41) Unload the cargoes. NOTE ● Frost forms and accumulates on the evaporator coil while the refrigeration unit is operated during loading or unloading. ● Since the inside container temperature rises (or falls during cold winter) while the door is kept opened, load or unload as quickly as possible.

  • Page 59: Inspection

    7 Inspection Precautions for inspection Always carry out the following inspections before the operation to prevent any damages of the refrigeration unit before happening. WARNING Do not perform the inspection in the place where the combustible gas leakage may happen. •...
  • Page 60 7 Inspection CAUTION Do not start maintenance without more than 5 minutes after stopping operation. • Refrigerant pipes are dangerously hot. There is risk of burn if touched carelessly. Before performing the inspection or cleaning work, stop the refrigeration unit using the RUN/STOP switch, shut down the power to the power system, and disconnect the battery terminals and the plug of the power cord.

  • Page 61: Daily Inspection

    7 Inspection 7 Inspection Daily inspection Before using the refrigeration unit, the customer should perform the daily inspection. Inspection of condenser coil/outside heat exchanger Check the coil for fouling with dust. When the coil is fouled, wash it with a soft brush and water. NOTE ●...

  • Page 62: Periodic Inspection

    7 Inspection 7 Inspection Periodic inspection Please ask your nearest dealer to perform periodic inspection to ensure to use the refrigeration unit in the best condition all the time. Periodic inspection consists of the following items. Inspection at commissioning Monthly inspection Inspection at every 6 months Check the contents of inspection with the check sheet submitted after the periodic inspection.

  • Page 63: Periodic Inspection Check Sheet

    7 Inspection Periodic inspection check sheet Customer's Customer signature Serial No. Delivery date Compressor kit Body Inspection interval manufacturer Refrigeration unit Inspection date Rear evaporator unit Model Refrigeration Inspection company Vehicle unit installation Serial No. company Inspector Inspection items Inspection result Remarks Inspection for seal sections of body where refrigeration unit 〇...

  • Page 64: Refrigerant And Refrigerating Machine Oil

    7 Inspection Refrigerant and refrigerating machine oil Kind/Brand Refrigerant R410A Refrigerating machine oil JXTG Nippon Oil & Energy Diamond Freeze MA32R Climate class The climate class of this refrigeration unit is as follows. • Climate class 4 (ambient of 32±2°C with 55%RH) - 58 -...

  • Page 65: Cautions For Use

    8 Cautions for use When operating at a low inside container temperature for a long period of time: If the refrigeration unit is operated for a long period time with the inside container temperature below 10°C, ice will grow on the inside refrigeration unit, etc.

  • Page 66: For Emergency

    9 For emergency 9 For emergency 4 初期設定 Alarm display Alarm display ● When any trouble occurs, the warning icon ●If any error occurs, the abnor- lights (backlight blinks) or blinks. Abnormal display mal display lights or blinks Alarm code Alarm content ●...

  • Page 67: Countermeasures

    9 For emergency Countermeasures Refer to "List of alarm codes" for the contents of each alarm code and its countermeasure. ( Refer to pages 62 and 63) CAUTION Surely follow the instructions of this operation manual for the countermeasures of the troubles. •...

  • Page 68: List Of Alarm Codes

    9 For emergency List of alarm codes Alarm Alarm Unit Trouble Countermeasures Code Lamp Condition All fan motor fuses in the compartment A (F11, F12, F13, Evaporator fan motor E001 F14) or compartment B (F15, F16) has blown. Unit stops. fuse break (Zone X) Ask a dealer for inspection.
  • Page 69 9 For emergency Alarm Alarm Unit Trouble Countermeasures Code Lamp Condition LP line SV shorcircuit The low pressure line solenoid valve is short-circuited. On or Unit operation E162 (Zone X) Ask a dealer for inspection. Blinking continues.*2 HP line SV shorcircuit The high pressure line solenoid valve is short-circuited.

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