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Mitsubishi Heavy Industries TU1250SAE Operation Manual

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OPERATION MANUAL
OPERATION MANUAL
MITSUBISHI TRANSPORT REFRIGERATION UNIT
TU1250SAE
TU1250SAEM
TU1100SAE
TU900SAE
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
in a xed place so that it is
immediately available for
your reference when you
need it.
TSJ012A181B
YEAR:2021
J

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Summary of Contents for Mitsubishi Heavy Industries TU1250SAE

  • Page 1 OPERATION MANUAL OPERATION MANUAL MITSUBISHI TRANSPORT REFRIGERATION UNIT TU1250SAE TU1250SAEM TU1100SAE TU900SAE 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. If the Refrigeration Unit is used for any purposes other than this purpose, it may cause accidents or damages.

  • 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: Table Of Contents

    Contents Purpose of use and application - I Clothing and protective equipment -- 23 Important information ------------ I Handling of grease and oil ----- 23 Operation manual ----------------II When abnormal conditions are detected ------------------------- 23 For disposal -----------------------II For emergency ------------------ 23 Contents -------------------------- III 4 Initial setting ------------- 24 1 Function of Refrigeration...
  • Page 5 Whisper operation Inspection of condenser coil ------ 65 (Only for engine drive) ---------- 47 Periodic inspection ------------- 66 Manual defrost operation ------ 48 Periodic inspection check sheet -- 67 Starting the manual defrost Climate class ------------------- 68 operation ----------------------------- 48 Details of applicable oils and Ending the manual defrost cooling water-------------------- 69...

  • Page 6: Function Of Refrigeration Unit

    1 Function of Refrigeration Unit This refrigeration unit has following functions. (1) Drive switching function This is the function to switch the drive (engine/motor) depending on whether the commercial power supply is connected or not. Refer to page 39 for how to switch the drive. (2) Operation pattern selection function This is the function to switch operation pattern (automatic start/stop operation/continuous operation).
  • Page 7 1 Function of Refrigeration Unit (5) Timer operation function This is the function to set starting time and stopping time of the operation . Refer to pages from 49 to 52 for how to set. (6) Self diagnosis operation function [PTI (Pre Trip Inspection) operation] This is the function to diagnose the refrigeration unit automatically if it has any trouble or not.

  • Page 8: Name Of Each Part

    2 Name of each part Arrangement plan for main parts Single specification (TU1250SAE, TU1100SAE, TU900SAE) Evaporator unit Cabin controller Condensing unit Fuel pump Control box Fuel tank Refrigerant piping Water separator Battery Actual locations of above units, etc. should be checked beforehand because they could vary depending on vehicle models, or other.
  • Page 9 2 Name of each part Multiple specification (TU1250SAEM) Front room evaporator unit Battery Rear room evaporator unit Cabin controller Condensing unit Fuel pump Control box Fuel tank Refrigerant piping Water separator Actual locations of above units, etc. should be checked beforehand because they could vary depending on vehicle models, or other.

  • Page 10: Evaporator Unit

    2 Name of each part 2 Name of each part Evaporator unit Evaporator unit ■Single specification (TU1250SAE, TU1100SAE, TU900SAE) Single specification (TU1250SAE, TU1100SAE, TU900SAE) •Thin type : TU100SAE-EVX •Thin type : TU100SAE-EVMX (TU1250SAE, TU1100SAE) (TU900SAE) Inside of view "A" Supply air outlet for evaporator...
  • Page 11 2 Name of each part Multiple specification (TU1250SAEM) •Thin type (L) : TMEVX-L •Thin type (MW) : TMEVX-MW •Thin type (M) : TMEVX-M •Thin type (S) : TMEVX-S Inside of view "A" Supply air outlet for evaporator Evaporator coil Electric heater (Optional) Electronic expansion valve Evaporator fan motor - 6 -...

  • Page 12: Condensing Unit

    2 Name of each part Condensing unit Single specification (TU1250SAE, TU1100SAE, TU900SAE) Multiple specification (TU1250SAEM) Front panel Motor Commercial power socket Dryer Bolt Oil filter Reservoir tank Fuel filter Compressor Air cleaner Alternator Control box Engine Main switch Radiator & condenser...

  • Page 13: Cabin Controller

    2 Name of each part Cabin controller RUN/STOP MENU DEFROST PRESET 2-compartment model 3-compartment model RUN/STOP switch Starts and stops the refrigeration unit. MENU switch Selects the normal display screen or the menu display screen. Displays the screen while the refrigeration unit is stopped. PRESET switch Selects the normal display screen or the preset display screen.

  • Page 14: Digital Display Area

    2 Name of each part Digital display area Cooling ° C ° C Whisper ▲ ▼ S-S⇔Cont ■ 2-compartment model Cooling Heating ° C ° C ° C ° C Whisper A Setting B Setting S-S⇔Cont ■ 3-compartment model A Cooling B Heating °...
  • Page 15 2 Name of each part Displays the allocation of function switch corresponding to the screen. 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.

  • 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. (a) Main switch If the engine or motor starts during the work such as inspection, it may cause an accident.

  • 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 General precautions DANGER Do not modify or perform specification change for the refrigeration and vehicle. (This will make refrigeration unit out of warranty.) • It may cause a serious accident if customer modify the refrigeration unit or change the specification by himself/herself.

  • Page 19: During And After The Operation

    3 Precaution for safety WARNING Be sure to carry out the periodic inspections. • Otherwise, it may cause troubles of the refrigeration unit or accidents. CAUTION Do not insert sticks or fingers into cold air outlet or inlet. • Otherwise, it may cause damage of the equipment or injury due to a fan.

  • Page 20: Inspection/Cleaning/Repair

    3 Precaution for safety CAUTION Do not operate the refrigeration unit when it is flooded up to the bottom face of condensing unit • It could cause trouble. Inspection/Cleaning/Repair WARNING Do not disassemble and repair by yourself. • Otherwise, it may cause damages or an electric shock.

  • Page 21: Loading

    3 Precaution for safety Loading WARNING Do not load the volatile or inflammable 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. • If the cargos are not kept in the designated temperature, it may deteriorate quality of the cargos due to inside container temperature rise.
  • Page 22 3 Precaution for safety WARNING • Use 4-core cabtyre cables (conductor cross section with 5mm or more) for power cable. Do not connect it to extension cord. Refer to page 39.) • Use MENNEKES Part no.6 (400V 32A) for power supply plug. •...

  • Page 23: Reinstallation Of Refrigeration Unit

    3 Precaution for safety Reinstallation of the refrigeration unit WARNING User should not attempt to move the refrigeration unit to another vehicle. When it is necessary, consult your nearest dealer. • The refrigeration unit may fall down and cause a serious accident due to improper installation or insufficient strength if the work is performed by the customer.

  • Page 24: Emergency Measure

    3 Precaution for safety Emergency measure (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 25 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 26: Handling Of Warning Labels

    3 Precaution for safety Handling of warning labels (a) Important precautions are stated on the warning labels. Never operate the refrigeration unit unless fully understanding the meanings of the warning labels. When you found some difficulties to understand, contact your nearest dealer. (b) Always keep the labels in good condition to read.
  • Page 27 3 Precaution for safety Front view PSA011H011 TLB011H005G Front view inside PSA011H011A PSA011H011 TSJ011H022 PSA011H011A Control box TSJ011H023A SSA011C149F R452A BSA011H009K TSJ011H072N Back view PSA011H011A - 22 -...

  • Page 28: 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 29: Initial Setting

    4 Initial setting 4 初期設定 Display and function of main menu 各モードの表示とはたらき If you press the “MENU” switch once on the “Normal display screen” which 冷凍ユニット停止状態又は運転中の 「通常表示画面」 で 「メニュースイッチ」 を1回 is displayed when the refrigeration unit is stopped or operating, the display changes to the “Main menu”...

  • Page 30: Language Setting Mode

    4 初期設定 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 Current setting Mode to select the operation mode Start-Stop operation start/stop or continuous operation Back Start-Stop Continuous (☞ Page 40)
  • Page 31 4 Initial setting Operation information display mode Operating information C003 2560kPa ℃ State of operation is displayed in this mode. 150kPa 2150/H State of engine operation (High speed; H, low 3 ℃ State Cooling Back speed; L) is indicated at the end of “Speed (rpm)”.

  • Page 32: Display And Function Of Sub-Menu

    4 Initial setting 4 初期設定 Display and function of Sub-menu サブメニューモード概略 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 「サブメニューモード」...
  • Page 33 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 Calen ar an clock setting Jan 2018 00:00 Date, Month, Year and current time are set in this mode.

  • Page 34: 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) Calen ar an clock setting R U N / S T O P M E N U Jan 2019 00:00 Back ▲ ▼ D E FR O S T P R E S E T ２...
  • Page 35 4 初期設定 4 Initial setting Press “F4 (Next)” switch. Calen ar an clock setting Feb 2019 00:00 ⇒  Press “F2 (▲)” or “F3 (▼)” switch to adjust at current time (Hour). Back ▲ ▼   NOTE ● Time is displayed in the 24-hour scale. If it is “7 PM”, set as “19:00”.

  • Page 36: Displaying The Maintenance Information

    4 初期設定 4 Initial setting メンテナンス情報表示方法 Displaying the maintenance information Maintenance information R U N / S T O P M E N U Engine operation time 1/1520Hr Back Reset Next D E FR O S T P R E S E T Press “MENU”...
  • Page 37 4 Initial setting •  I fyoupress“F4(Next)”switch,thedisplaychangestoeachdisplayiteminthe table below. Display item Engine operation time 1 (Inspection of engine oil) Engine operation time 2 Motor operation time - 32 -...

  • Page 38: 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 R U N / S T O P M E N U 6.0hr Back ▲ ▼ D E FR O S T P R E S E T 2・4 3・5 Press “MENU”...

  • Page 39: 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 tt n RUN/STOP MENU t S - 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 till the display changes to “Sub-menu”...
  • Page 40 4 初期設定 4 Initial setting Press “F4 (Select)” switch. tt n Light SW linked t S - ⇒  Adjust the brightness of the LCD backlight, when the vehicle’s light is OFF, pressing “F2 (▲ Bright)” or “F3 (▼Dark)” switch. ⇒ Step 6 tt n t on on Lit at key operation only(20sec)

  • Page 41: Fuel Circulation Mode Setting

    4 初期設定 4 Initial setting 燃料循環方法 （エア抜きモード） Fuel circulation mode setting uel circulation mo e R U N / S T O P M E N U emaining time D E FR O S T P R E S E T 2・3・5 3・4 Press “MENU”...

  • Page 42: Operation

    5 Operation WARNING Do not operate the refrigeration unit in the place where there is a risk of combustible gas leakage. • Do not touch the electric devices such as power plug and so on with wet hands. • Operate the refrigeration unit with motor drive when operating it indoor.

  • Page 43: Power On

    Power on Condensing unit Front panel Main switch   Open the front panel of condensing unit. ( Refer to page 60.)   Turn the "Main switch", which is located at the right side of control box, to "ON".   Close the front panel. ( Refer to page 60.) - 38 -...

  • Page 44: Switching The Drive

    Switching the drive Operating with the engine   Make sure that the commercial power supply is not connected to the refrigeration unit.   NOTE ● Operating with the motor WARNING Use 4-core cabtyre cables (conductor cross section with 5 mm or more) for power cable.

  • Page 45: Selecting The Operation Pattern

    5 運転方法 運転パターンの選択方法 Selecting the operation pattern Current setting RUN/STOP MENU [3-compartment] Start-Stop operation Back Start-Stop Continuous DEFROST PRESET [1-/2-compartment] ２ ・４ [1-/2-compartment model] On the normal display screen (Below figure), press “F4 (S-S⇔Cont)” switch. ⇒  The display changed to the mode screen of Step 2 below. Further steps are same for 1-/2-/3-compartment specifications.
  • Page 46 NOTE ● High Automatic start/stop operation Setting temperature Stop Stop Stop Time ● High Continuous operation Setting temperature Time - 41 -...

  • Page 47: Starting The Operation

    5 運転方法 運転方法 Starting the operation Coo n RUN/STOP MENU ° C ° C DEFROST Whisper ▲ ▼ S-S⇔Cont PRESET WARNING コンデンシングユニットのフロントパネルが閉まっている Confirm that the front panel of condensing unit is closed before starting operation. ことを確認してから運転してください。 • ※ フロントパネルが開いたまま運転すると，事故の原因になります。 「運転／停止スイッチ」 を押します。   Press the [RUN/STOP] switch. （冷凍ユニットが...

  • Page 48: Stopping The Operation

    5 運転方法 停止方法 Stopping the operation Coo n RUN/STOP MENU ° C ° C DEFROST Whisper ▲ ▼ S-S⇔Cont PRESET 通常停止方法 Normal stop   Press the [RUN/STOP] switch. 「運転／停止スイッチ」 を押します。 (Refrigeration unit is turned "OFF".)   （冷凍ユニットが OFF 状態になります。 ） ⇒  自動的に機器保護運転を10〜20秒間行なった後に停止します。 ⇒ ...

  • Page 49: Suspending (Sleep) The Compartment Operation (2-/3-Compartment Model)

    5 運転方法 Cooling Heating RUN/STOP MENU ° C ° C ° C ° C DEFROST Whisper A Setting B Setting S-S Cont PRESET Suspending (sleep) the compartment operation (2-/3-compartment model) On the normal display screen (Right Cooling Heating figure), press “F2 (A Setting)” or “F3 (B °...

  • Page 50: Setting The Temperature

    5 運転方法 温度設定方法 Setting the temperature Cooling RUN/STOP MENU ° C ° C DEFROST Whisper ▲ ▼ S-S⇔Cont PRESET 2・3 Start the operation of refrigeration unit. (☞ Page 42) [In case of 2-compartment model] Cooling Heating On the normal display screen (Right °...

  • Page 51: Setting The Preset Temperature

    5 運転方法 Cooling R U N / S T O P M E N U ° C ° C 2・3 D E FR O S T Whisper S-S Cont ▲ ▼ P R E S E T Setting the preset temperature Start the refrigeration unit.

  • Page 52: Whisper Operation (Only For Engine Drive)

    5 運転方法 5 運転方法 静音運転方法（エンジン駆動時のみ） Whisper operation (Only for engine drive) Cooling RUN/STOP MENU ° C ° C DEFROST Whisper ▲ ▼ S-S Cont PRESET   Press the “F1 (Whisper)” switch. 「F1 スイッチ （静音） 」 を押します。 ⇒  静音運転になります。  ⇒  再度押すと， 通常運転に戻ります。  静音運転のときは，...

  • Page 53: Manual Defrost Operation

    5 運転方法 手動デフロスト運転方法 Manual defrost operation Cooling R U N / S T O P M E N U ° C ° C D E FR O S T Whisper ▲ ▼ S-S Cont P R E S E T Starting the manual defrost operation Press the “DEFROST”...

  • Page 54: Setting The On Timer

    5 運転方法 ONタイマ設定方法 Setting the ON timer 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” switch. ⇒  The display changes to “Main menu” screen. Press “F2 (▲)” or “F3 (▼)” switch Main menu till the display changes to Language...
  • Page 55 5 運転方法 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 56: Setting The Off Timer

    5 運転方法 OFFタイマ設定方法 Setting the OFF timer 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” switch. ⇒  The display change to “Main menu” screen. Press “F2 (▲)” or “F3 (▼)” switch Main menu till the display changes to Language...
  • Page 57 5 運転方法 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 58: Self Diagnosis Operation

    5 運転方法 運行前点検 （PTI） 方法 Self diagnosis operation (PTI operation) 5 運転方法 5 運転方法 1 ・2 Current setting RUN/STOP MENU Pre Trip inspection(Basic) Detail Basic Back PTI Start (Max) (Min) DEFROST PRESET Current setting Current setting Pre Trip inspection(Basic) 3・4 4・5 Pre Trip inspection(Basic) Detail 1 ・2 Basic...

  • Page 59: Finishing The Operation When No Defects Are Detected

    [Basic (Min)] Basic self diagnosis operation [Detail (Max)] Detail self diagnosis operation (With the cooling and defrost operations) NOTE ● 5 運転方法 Press the “F4 (PTI Start)” switch. Pre trip inspection(Basic) Under inspection ⇒ If the “F4 (PTI Start)” switch is pressed during operation, the Cancel refrigeration unit stops temporarily.

  • Page 60: 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 61: Loading And Unloading

    Loading and unloading Loading procedure Stop the cooling operation. ( Refer to page 43.) Load the cargoes in the container. Supply air outlet Lower than supply air outlet Evaporator More than More than 30 mm 30 mm More than 100 mm More than 100 mm 50 –...

  • Page 62: Unloading

    Unloading Stop the cooling operation. ( Refer to page 43.) Unload the cargoes. NOTE ● ● ● - 57 -...

  • Page 63: Inspection

    7 Inspection Precautions for inspection WARNING Do not perform the inspection in the place where the combustible gas leakage may happen. • Do not modify or remove the protective device installed on the front panel of condensing unit. • Be sure to perform daily and periodic inspections. •...
  • Page 64 CAUTION Use 3-phase AC400V 50Hz for power supply. • Sufficient care must be taken for foothold when working at a higher place on a stepladder. • When leakage of the refrigerant is detected, contact your nearest dealer immediately. • Stop the operation and wait until engine and others are cooled down before performing the inspection.

  • Page 65: Opening The Front Panel Of Condensing Unit

    Opening the front panel of condensing unit   Remove a pair of bolts at the bottom of front panel.   Open the front panel by hand. Front panel Bolt   Insert the stay in the mounting hole on Front panel the back of front panel to fix the panel.

  • Page 66: Daily Inspection

    Daily inspection Inspection of cooling water quantity Cooling water inlet Reservoir tank CAUTION Do not perform inspection of the cooling water or refill it immediately after the engine stopped. • Use the designated antifreeze coolant. • Check that the fluid level is between "MAX" and "MIN" in the reservoir tank.

  • Page 67: Inspection Of Moving Sections

    Inspection of moving sections Compressor belt Water pump belt Water pump Engine Detail of compressor belt Detail of water pump belt Compressor Water pump Alternator Belt running direction Compressor belt Motor Engine   Visually inspect the compressor belt and the water pump belt for defects such as scratch, crack or one-sided wear, etc.

  • Page 68: Inspection Of Engine Oil Quantity

    Inspection of engine oil quantity Oil level gauge Oil lter Oil inlet Upper limit (Oil level gauge) CAUTION Do not perform inspection of the engine oil or refill it immediately after the engine stopped. • Do not refill the engine oil excessively. •...

  • Page 69: Inspection Of Engine Fuel Quantity

    Inspection of engine fuel quantity CAUTION Use the designated engine fuel. • Always check the fuel quantity with the Fuel tank fuel level gauge to avoid running short of fuel during transportation. If there is not enough fuel left in the tank, refuel it.

  • Page 70: Inspection Of Condenser Coil

     Cooling water piping and engine fuel piping in the condensing unit Radiator & condenser Cooling Air vent valve Fuel hose Reservoir tank water inlet Fuel lter Water drain cock Engine  Engine fuel piping and battery wiring Cable (Battery) (Driving direction) Fuel lter joint Return-oil pipe joint Condensing unit...

  • Page 71: Periodic Inspection

    Periodic inspection - 66 -...

  • Page 72: Periodic Inspection Check Sheet

    Periodic inspection check sheet ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ - 67 -...

  • Page 73: Climate Class

    ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ Climate class The climate class of this refrigeration unit is as follows. • limateclass4(am ientof with - 68 -...

  • Page 74: Details Of Applicable Oils And Cooling Water

    Details of applicable oils and cooling water NOTE ● ● Power supply system - 69 -...

  • Page 75: Operation Or Stop For Long Period Of Time

    8 Operation or stop for long period of time When operating at a low inside container temperature for a long period of time: CAUTION Park the vehicle at a flat place and operate the refrigeration unit. • When stopping the refrigeration unit for a long period of time: - 70 -...

  • Page 76: 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 77: Countermeasures

    Countermeasures CAUTION Surely follow the instructions of this operation manual for the countermeasures of the troubles. • Changing the fuse CAUTION Use the designated fuse. • Surely stop the operation of refrigeration unit with the "Operation switch" and set the "Main switch" to "OFF", then disconnect the battery terminal and plug for power cord to change the fuse.

  • Page 78: When You Contact Your Nearest Dealer

    : 20 A (operation circuit) is xed with the fuse holder. : 15 A (Relay circuit) : 10 A (Compressor electromagnetic clutch) : 10 A (Drain hose heater A) F5-8 : 15 A (Evaporator fan motor 1-4) : 30 A (Throttle solenoid) : 10 A (Output during operation) : 10 A (Output at error occurrence) : 10 A (Output at deviation from adequate temperature)

  • Page 79: Resuming Operation After An Emergency Stop

    Resuming operation after an emergency stop ● ● CAUTION If the unit stops by the same trouble immediately after the operation is resumed, stop the operation and contact your nearest dealer. • - 74 -...

  • Page 80: List Of Alarm Codes

    List of alarm codes Alarm Alarm Unit Trouble Countermeasure Code Lamp Condition Fuse F3 has blown. Replace fuse F3 (10 A) in the Magnet clutch control box. If trouble persists after replacement, Unit stops. fuse break ask a dealer for inspection. Unit operation continues.
  • Page 81 Alarm Alarm Unit Trouble Countermeasure Code Lamp Condition Return air temperature sensor A (A, B or C for the Unit operation Blinking TH sensor failure multiple specification) is disconnected or shorted. continues. Ask a dealer for inspection. Engine cannot operate at high speed due to Unit operation Throttle solenoid Blinking...
  • Page 82 Alarm Alarm Unit Trouble Countermeasure Code Lamp Condition Defrost SV failure Defrost solenoid valve (SV2-A, -B or -C) has (Zone X) Unit stops. failed. (Multiple Ask your service agent to inspect. specification) Condenser inlet SV Condenser inlet solenoid valve (SV4) has failed. Unit stops.

  • Page 83: 10 Specification

    10 Specification Model Item TU1250SAE Ambient temperature 30 Conditions Return air Return air temperature -20 temperature 0 Engine drive 6741 11601 Motor drive 5070 9243 -35~30 Inside container temperature -20~40 Ambient temperature 1589×609×695 Condensing unit W×H×D 2000×200×744 Evaporator unit Condensing unit...
  • Page 84 Model Item TU1250SAEM TMEVX Evaporator unit model Ambient temperature Return air temperature 0˚C 11080 9635 8638 7392 Return air temperature -20˚C 6624 5628 5290 4700 Inside container temperature -35~30 Ambient temperature -20~40 Condensing unit 1589×609×695 2000× 1450× 1000× 760× W×H×D Evaporator unit 200×...
  • Page 85 Model Item TU1250SAEM Sound power level Refrigerant charge volume 4.6~6.0 (R452A) Inside container temperature control Electronic thermostat Operation control Microcomputer controller Defrosting device Hot gas defrost type (Automatic timer and manual) High pressure switch, engine oil pressure switch, engine water temperature switch, fusible plug, motor over-current relay, DC circuit fuse, DC circuit fusible link, Safety device front panel open detection switch, automatic power...
  • Page 86 Model Item TU1100SAE Ambient temperature 30 Conditions Return air Return air temperature -20 temperature 0 Engine drive 5647 10421 Motor drive 3967 7883 Inside container temperature -30~30 -20~40 Ambient temperature 1589×609×695 Condensing unit W×H×D 2000×200×744 Evaporator unit Condensing unit Evaporator unit Dedicated engine (diesel) and motor Drive system Automatic start/stop and continuous operation selection...
  • Page 87 Model Item TU900SAE Ambient temperature 30 Conditions Return air Return air temperature -20 temperature 0 Engine drive 5478 9683 Motor drive 3829 7490 Inside container temperature -30~30 -20~40 Ambient temperature 1589×609×695 Condensing unit W×H×D 1450×200×744 Evaporator unit Condensing unit Evaporator unit Dedicated engine (diesel) and motor Drive system Automatic start/stop and continuous operation selection...
  • Page 88 Layout of A, B and C rooms Entry example When divided to 2 rooms Room Room Room Room When divided to 3 rooms Room Room Room When your division of rooms is other than the above, please divide the space and indicate the rooms A, B and C.

This manual is also suitable for:

Tu1250saemTu1100saeTu900sae

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