Mitsubishi TEJ100AM User manual

MITSUBISHI TRANSPORT REFRIGERATION UNIT
TEJ100AM
TEJ100A
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.
TSJ012A233
OPERATION MANUALOPERATION MANUAL
Original Instructions
YEAR:2018

-I-
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.
Important information
For questions or information, contact your nearest dealer.
● Be sure to follow the contents described in this manual in order to protect
yourself and other people from potential risks of this refrigeration unit and
to prevent it from getting damaged.
● We are not able to foresee all potential risks of this refrigeration unit or
dangers due to mishandling by the customers. Therefore, it is necessary
to take measures for safety in addition to the items described in this
manual or on warning labels.
● For the following works, contact your nearest dealer. If those works were
● This product contains fluorinated greenhouse gases.
•
Refrigerant:R410A(GWP(Global Warming Potential)=2090)
Refer to a label on unit about weight of fluorinated greenhouse gases and
CO2equivalent. (
carried out by customer, the refrigeration unit may lose its performance
and we may not be able to ensure the safety of the customer.
(a) Installation, modification, specification change and disposal of the
refrigeration unit
(b) Maintenance of electric appliances
(c) Abnormal treatments which are not described in this manual
Refer to pages 22.)

-II-
Operation manual
M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.
MThis operation manual is copyrighted and all rights are reserved by our
company. The drawings and technical information described in this
manual may not, in whole or part, be published, copied, translated for
the purposes other than above-mentioned and reduced to any electronic
medium or machine-readable form without prior written consent with our
company.
MThis manual also contains the explanation of optional specification.
MThe contents of this operation manual may differ from that of the
refrigeration unit used by a customer due to specification change.
MThe contents described in this operation manual may be changed without
a prior notice.
MWhen transferring or lending the refrigeration unit, attach this operation
manual together with the unit so that the operators should be able to have
a good knowledge on safety.
MKeep this operation manual in the vehicle so that it is available for your
reference when you need it.
MUnless otherwise noted, "right" and "left" directions are given as viewed
from the front of the refrigeration unit.
For disposal
Contact your nearest dealer when disposing the refrigeration unit. Observe
the applicable laws and regulations in your country to dispose refrigerants
and cooling water.

-III-
Information on the models
This operation manual describes how to use the following models.
(2) Standard system for single refrigeration compartment
TEJ100A
(1) 2-evaporator system for two refrigeration compartments
TEJ100AM
The vehicle power system is not our product.
For details about how to handle the vehicle power system, please read the
instruction manual for vehicle power system.

-IV-
Purpose of use and application--I
Important information-------------I
Operation manual ---------------- II
For disposal ----------------------- II
Information on the models ----- III
Contents-------------------------- IV
1 Function of Refrigeration
Unit--------------------------1
2 Name of each part --------2
Arrangement plan for
main parts ------------------------- 2
Refrigeration unit ----------------- 3
Rear evaporator unit
(2-compartment model)---------- 4
AC/DC control box --------------- 4
Cabin controller------------------- 5
LCD display area ----------------- 6
Protective devices---------------- 8
3 Precaution for safety------9
Signs on safety ------------------- 9
Precautions --------------------- 10
Handling of high-voltages---------- 10
General precautions ---------------- 12
During and after the operation ---- 13
Inspection/Cleaning/Repair-------- 14
Loading ------------------------------ 15
Handling of electric equipment
and power codes ------------------- 16
Reinstallation of refrigeration
unit------------------------------------ 17
Modification of refrigeration unit
and specification change ---------- 18
Power supply equipment ---------- 18
Emergency measures ---------- 19
Handling of warning labels ---- 21
Prevention of start during
inspection work----------------- 23
Clothing and protective
equipment ----------------------- 23
When abnormal conditions are
detected ------------------------- 23
For emergency------------------ 23
4 Initial setting ------------- 24
Display and function of
main menu ---------------------- 24
Language setting mode ------------ 25
Display and function of
Sub-menu ----------------------- 26
Setting the calendar and clock
(Date, Month, Year) ------------- 28
Displaying the maintenance
information ---------------------- 30
Setting the defrost interval ---- 32
Setting LCD backlight---------- 33
5 Operation----------------- 35
Switching the drive ------------- 36
Operating with the vehicle engine
(vehicle power system) ------------- 36
Operating with the
commercial power ------------------ 36
Operation on hold display --------- 36
Starting the operation---------- 37
Contents

-V-
Stopping the operation -------- 37
Normal stop procedure ------------ 37
Emergency stop procedure ------- 37
Suspending (sleep) the compartment
operation (2-compartment model)
-- 38
Setting the temperature ------- 39
Setting the preset temperature---- 40
Manual defrost operation------ 41
Starting the manual defrost
operation----------------------------- 41
Ending the manual defrost
operation----------------------------- 41
Setting the ON timer ----------- 42
Setting the OFF timer ---------- 44
6 Loading------------------- 46
Preparation before loading ---- 46
Loading and unloading -------- 47
Loading procedure------------------ 47
Unloading ---------------------------- 48
7 Inspection ---------------- 49
Precautions for inspection ---- 49
Daily inspection----------------- 51
Inspection of condenser coil ------ 51
Periodic inspection------------- 52
Periodic inspection check
sheet ----------------------------- 53
Refrigerant and refrigerating
machine oil ---------------------- 54
Power supply system ---------- 54
Climate class ------------------- 54
8 Cautions for use --------- 55
When operating at a low inside
container temperature for a long
period of time:----------------------- 55
When stopping the refrigeration
unit for a long period of time:------ 55
9 For emergency ---------- 56
Alarm display ------------------- 56
Switching "Normal display" and
"Alarm display" ----------------- 56
Switching from
"Normal display screen" to
"Alarm display mode" -------------- 56
Switching from
"Alarm display mode" to
"Normal display screen" ----------- 56
Countermeasures--------------- 57
When you contact your nearest
dealer--------------------------------- 57
Resuming operation after an
emergency stop ---------------- 57
List of alarm codes ------------- 58

-1-
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1 Function of Refrigeration Unit
This refrigeration unit has following functions.
(2) Defrosting operation function
This is the function to protect evaporator from frosting during cooling
operation and to prevent refrigerating power from decreasing.
There are following 2 methods to start defrosting operation.
1) Automatic defrosting operation
Defrosting starts automatically by the timer setting.
Refer to page 32 for defrosting timer setting.
2) Manual defrosting operation
Defrosting starts forcibly by pressing the switch of controller.
Refer to page 41 for how to operate.
As the defrosting operation is completed, the refrigeration unit returns to
the cooling operation.
Defrosting operation will not start when the evaporator temperature is
high even during the cooling operation.
(3) Timer operation function
This is the function to set starting time and stopping time of the
(1) Switching function of vehicle power system or commercial
power supply
This is the function to switch the operation (vehicle power supply system/
commercial power) automatically depending on whether the commercial
power supply is connected or not.
Refer to page 36 for how to switch the operation.
operation.
Refer to pages from 42 to 45 for how to set.

-2-
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2 Name of each part
Arrangement plan for main parts
1
6
2
34 5
(TEJ100AM)
1Refrigeration unit 4AC/DC control box
2High voltage cable (orange color) 5Vehicle power system
3Cabin controller 6Rear evaporator unit
•Layout could vary depending on vehicles, etc. Please check before use.

-3-
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1
4
2 3
A
5
7 98
6BB
10
View B
View A
2 Name of each part
Refrigeration unit
■Top view
■Front view
■Back view
1Control box 6Compressor
2Condenser fan motor 7
Evaporator outlet
3Condenser coil 8Evaporator fan motor
4Dryer 9Evaporator coil
5Sight glass
10
Expansion valve
•Form of components and specifications may very depending on models.

-4-
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B室エバポレータユニット（2室仕様）
エバポレータ吹出口
エバポレータファンモータ
1
2
3
4
エバポレータコイル
B室電子膨張弁
AC/DCコントロールボックス
電源コンセント
電源表示ランプ（緑）
1
2
3
4
異常表示ランプ（赤）
2*#5'
8*\
8*\
219'4
警告WARNING
危険電圧部あり
カバーを開ける前に
・冷凍機を停止のこと
・全電源を遮断のこと
・5分以上待つこと
Beforeopening cover for checking,
・Stopthe refrigeration unit
・Turnoffall power supply
・Waitatleast 5 minutes
1
2
3 4
1
2 3
A
A視内部
2 Name of each part
Rear evaporator unit (2-compartment model)
1Evaporator outlet 3Evaporator coil
2Evaporator fan motor 4
Expansion valve
1Power connection port 3Alarm indicator lamp (Orange)
2Power indicator lamp (Green)
AC/DC control box
View A

-5-
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2 Name of each part
■2-compartment model
RUN/STOP switch Starts and stops the refrigeration unit.
MENU switch
PRESET switch
DEFROST switch
LCD
Starts the manual defrost.
FUNCTION switches
1 – 4
USB terminal (Type B) Used to read/write data.
RUN/STOP
F2
PRESET
MENU
DEFROST
F3 F4F1
  
ⅈ
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C

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
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C
r
C

‴›⁗⁓󱀇⁛⁠⁙
 
Selects the normal display screen or the menu display
screen.
Displays the screen while the refrigeration unit is stopped.
Selects the normal display screen or the preset display
screen.
Functions corresponding to respective setting screens
are allocated.
Displays the inside compartment temperature, setting
temperature, state of operation, etc.
3 4 6 75
1 2
6
1
2
3
4
5
6
7
Cabin controller

-6-
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2 Name of each part
Monitor displays following items corresponding to respective setting states.
The display items light or blink depending on the operation of respective functions.
Displays the allocation of function switch corresponding to the screen.
……Abnormal display
Lights or blinks when any error occurs.
……Display for the state of external communication.
Lights when the operation administration input, such as the remote
monitor device, etc., is turned ON.
……Displays for ON/OFF timer.
Lights when the ON timer and the OFF timer are set simultaneously.
……Displays the ON timer.
Lights when the ON timer operation is set.
……Displays for OFF timer.
Lights when the OFF timer operation is set.
……Display for commercial power supply.
Lights when the unit is connected to the commercial power supply.
Description of monitor display item
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■ 2-compartment model
1
2
543
1
1
2
86 10 97 11
2
LCD display area

-7-
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2 Name of each part
In case of 2-compartment model
Displays “A” (compartment) and the operation mode of compartment A.
Displays “B” (compartment) and the operation mode of compartment B.
Displays the inside compartment temperature at compartment A.
Displays the inside compartment temperature at compartment B.
Displays the setting temperature at compartment A.
Displays the setting temperature at compartment B.
6
7
8
9
10
11
Displays the inside compartment temperature.
Displays the setting temperature.
4
5
3Displays 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.
If temperature is out of adequate range, the Cooling or Heating
display blinks.

-8-
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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) Commercial power detection function
This function gives a warning buzzer to prevent broken wire of the
cable or electric shock if the drive engine is started in a state where the
commercial power is supplied.
(3) Others
Protective devices such as high pressure switch are built-into the
refrigeration unit. For details, please read the instruction manual and
specification for vehicle power system.
People who handle this refrigeration unit are requested to understand the
functions of these protective devices completely to use it safely. Do not
deactivate these protective devices or do not operate the refrigeration unit
in the situation that the devices are inactivated. It is most important for
safety ensuring to keep functions of the protective devices in normal status
continuously.

-9-
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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.
Signs on safety
Kinds Description
Indicates dangerous situation, which if mis-handled,
will result in death, serious injury, and serious
accident such as damage of the refrigeration unit.
Indicates potentially dangerous situation, which if
mis-handled, will result in minor injury or moderate
property damage.
Symbols
Symbols Description Symbols Description
Never perform. Always observe the
instructions.
Disconnect power supply
plug from socket.
Never touch.
Repairs and disassembly
must be done only by
qualified personnel.
Other symbol
Other advice for the refrigeration unit is described with the following symbol.
Kind Description
NOTE Useful information for function or performance of equipment
CAUTION
WARNING

-10-
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3 Precaution for safety
Precautions
Handling of high-voltages
WARNING
A DC high-voltage of up to approx. 400 V and an AC high-
voltage of approx. 200 V are 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.
Cabin controller
Refrigeration unit (★)
Vehicle power system (★)
AC/DC control box
(Power supply plug ★)
Rear evaporator unit High voltage cable
(orange color) (★)
★: High voltage
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. The customer never disassembles,
removes, and replaces the high voltage system. For
details about the necessary maintenance, contact the
nearest dealer or the contact address stated in the
instruction manual for vehicle power system.

-11-
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3 Precaution for safety
WARNING
If a high-voltage cable or component is exposed, never
touch it.
• Otherwise, it may cause electric shock.
To prevent electric shock, do not touch any high-
voltage cable, connector, or high-voltage component
(control box or vehicle power system, etc.).
Please maintain a safe distance from the vehicle in case
a fire occurs from the refrigeration unit.
Always use a fire extinguisher for electric fire when
doing fire fighting.
Do not use water or improper fire extinguishers, it may
result in serious injury or electric shock.
Do not touch the refrigeration unit or vehicle, in case
of accident/damage to unit. Please contact the nearest
dealer and inform the details. Leave the vehicle, contact
the nearest dealer or the contact address stated in
the instruction manual for vehicle power system, and
inform that the electric drive type refrigeration unit is
installed.

-12-
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3 Precaution for safety
General precautions
WARNING
Make sure that no one left inside the
container before closing the door.
• He or she might be frozen to death if
the refrigeration unit is operated with
someone inside.
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.
• Otherwise, it may cause an
explosion or a fire.
When it is necessary to charge or retrieve the refrigerant or
refrigerating machine oil, be sure to consult the nearest dealer.
• Customer should refrain from attempting to do these on their own.
Otherwise, it could result in serious accident.
Be sure to use a device that emits radio waves (on-vehicle
radio device, etc.) within its setting range.
• When a device with an illegal output is used, this may cause the
refrigerator to malfunction or an accident.
The appliance is not to be used by persons (including
children) with reduced physical, sensory or mental
capabilities, or lack of experience and knowledge, unless
they have been given supervision or instruction.
• It is preferable to perform the monitoring so that a person (including
a child) who needs assistances does not use the refrigeration unit
alone.
Be sure to carry out the periodic inspections.
• Otherwise, it may cause troubles of the refrigeration
unit or accidents.

-13-
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3 Precaution for safety
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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.
Otherwise, it may cause damage of the equipment or injury.•
Use the refrigeration unit as the equipment for transport
When entering the cabinet during loading or unloading of
cargos, be sure to wear appropriate clothing or protective
gear suitable for the temperature.
refrigeration.
Otherwise, it may deteriorate quality of the cargo if it is used for
any other purpose.
•
During and after the operation
CAUTION
Otherwise it may cause burns, as compressor and refrigerant pipe
will get hot.
•
It could cause trouble.•
Do not touch the compressor and the refrigerant pipe
during operation or immediately after the operation.
Do not operate the refrigeration unit when it is flooded up
to the bottom face of vehicle chassis.

-14-
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3 Precaution for safety
Inspection/Cleaning/Repair
WARNING
Otherwise, it may cause damages or•
an electric shock.
CAUTION
When refrigerant or refrigerating machine oil has spilled,
take care not get it in eyes and avoid accidental contact to
skin or inhaling or swallowing.
Otherwise, it may cause health disorders such as frostbite, loss of•
eyesight and pneumonia.
Do not wash the refrigeration unit with a steam washer or
a high pressure washer.
Otherwise, it may cause a rupture due to pressure rise in the•
refrigeration unit or distortions of the condenser fin.
Otherwise, it may cause injury or an electric shock due to•
unexpected start
.
Do not allow a person (including a child) who needs
assistances to perform the inspection, cleaning, or repair
without monitoring or instructions.
When inspecting or cleaning the refrigeration unit, apply
the parking brake and put chocks under wheels.
Otherwise, the vehicle may start to move, causing injury or•
accident.
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.
After that, when 5 min. or longer elapse, start the
inspection or cleaning work.
Do not disassemble and repair by
yourself.