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-17-

Reasons why alarm is activated.

Alarm display and operations

Alarm name

Over load

alarm for

refrigeration

unit

Operating conditions
Refrigeration unit performs over load operation (or

started up).

Releasing alarm

・

Please refer to "Troubleshooting" on page 49.

・

Control will be continued.

・

Buzzer beeps for 15 seconds.

・

Alarm display

Watch dog

・

Resets microcomputer and tries to

restart control. In case that
microcomputer does not get back to
normal operation, control gets
stopped.

・

Alarm display (Not specified).

Operating conditions

Due to noise and etc, temperature controller

is in abnormal condition. Ambient temperature

exceeds 35

℃

Releasing alarm

Change the ambience and power source.

Over heat

alarm

・

Stops control of heater.

（

Recovers automatically when

sorting out the trouble).

・

Alarm display

Over Heat

※

Over heat alarm lamp lights up.

Indicator displays measured temperature,

however, other alarm may be activated.

Operating conditions

・

Setting temperature of over heat protector is

low.

・

Temperature controller, SSR or the fan in

the air jacket is impaired, which raises the
setting temperature of over heat protector.

・

Temperature exceeds the settable range of

over heat protector, which made over heat
protecting thermostat work.

（

temperature

reaches around 70

℃

）

Over cool

alarm

・

Refrigeration unit will not be controlled.

（

Recovers automatically when sorting

out the trouble).

・

Alarm display

Over Cool

※

Over cool alarm lamp lights up.

Indicator displays measured

temperature,
however, other alarm may be activated.

Operating conditions

・

Setting temperature of over heat protector is

high.

・

Temperature controller, SSR or the fan in

the air jacket is impaired, which lowers the
setting temperature of over cool protector.

Warning function

Reasons why alarm is activated.

Warning display and operations

Warning

Warning for

elapsing total

operation hours

Operating condition

・

Total operation hours exceed the setting time.

Releasing warning

・

Pressing [Set] key can release the warning.

・

Reset total operation hours

「

Addt

」

adjustment mode.

※

If you've released the warning by [Set] key

and restart control without resetting total

operation hours, warning will be reactivated

(when turning on and off the unit.)

・

The unit will be controlled.

・

Warning display

↑↓交互表示

Alarm

Heating

℃

h.m

Defrost

Addt

●
○
○

○

●

Alarm

Heating

℃

h.m

Defrost

●

19.5

○
○

○

●

Alarm

Heating

℃

h.m

Defrost

oVL

●
○
○

○

●

Alarm

Heating

℃

h.m

Defrost

●
○
○

○

●

Содержание LTI- 400E

Страница 1: ...ly and safely with keeping its best performance Please keep this manual in a place easily accessible to every user Be sure to read Safety precautions before use 取扱説明書 Instruction Manual LTI 400E 700E 1200E Low temp Incubator Tokyo Rikakikai Co Ltd IMPORTANT ...

Страница 2: ...gnal word for warning Though we are trying to look into conceivable risk of using the product it is very difficult for us to expect of all of it It means that all the instructions in this manual do not cover all the types of risk that may caused by the product However if you follow the instructions you surely can handle and operate the product safely Please use extreme care when handling the produ...

Страница 3: ... nitro compound Inflammable substances are acyl salt inorganic peroxide nitrate salt and organic solvent This product is not designed with explosion proof structure DANGER Outline of the product 2 2 1 Application Do not remodel the product Do not use it out of specified application Remodeling the product or inappropriate use may cause electric shock or malfunction This product is a low temperature...

Страница 4: ...ng us if you require new label 2 Warning display on the product For high priority danger warning label is attached on the machine body The position of the label is as below Please read the instructions carefully whenever using the machine Explosion risk Do not put any inflammable substances such as organic solvent DANGE R Above picture is LTI 400E ...

Страница 5: ...ter automatic control Int mode Forced manual system manual initiation automatic termination manual Program function Automatic stop automatic start 1 step 24 hour cycle operation Stainless heater 550W Stainless heater 700W Refrigeration unit refrigerant Air cooled type 160W R 134a Air cooled type 300W R 134a 600 W 500 D 1000 H Approx 300Ｌ Door Both sides can be opened 630 W 705 D 900 H Approx 98 Ap...

Страница 6: ...mode temperature change in the chamber while the defrosting operation is performed differs depending on room temperature heat load and supply power and voltage In Int mode temperature change in the chamber is drastic in higher room temperature 3 Dimensions of chamber and the unit exclude the length of projection 4 Input value does not include the capacity of service outlet The capacity of service ...

Страница 7: ...ge Attainable chilling temperature of LTI 400E are as follow 10 while the room temperature is 35 4 while the room temperature is 30 0 10 20 30 40 50 0 10 20 30 40 50 100 Time min erature 60 70 80 90 60 1 Room temperature 20 Fan in the chamber ON 110 120 70 Fan in the chamber OFF Fan in the chamber OFF Fan in the chamber ON 0 10 20 30 40 50 0 20 40 60 80 100 200 Time min ature 120 140 160 180 60 Ro...

Страница 8: ... 0 75 15 0 Time min Temperature 90 10 5 12 0 13 5 60 16 5 18 0 70 2 Room temperature 35 fan in the chamber OFF Condition AC 100V 50Hz Center focused temperature in the chamber No load Notice Highest lowest attainable temperature accuracy of temperature control and temperature distribution differ depending on room temperature heat load supply power and voltage 2 LTI 700E ...

Страница 9: ...0 Time min Temperature 12 0 14 0 16 0 18 0 60 22 0 24 0 70 2 Room temperature 35 fan in the chamber OFF Condition AC 100V 50Hz Center focused temperature in the chamber No load Notice Highest lowest attainable temperature accuracy of temperature control and temperature distribution differ depending on room temperature heat load supply power and voltage 3 LTI 1200E ...

Страница 10: ...le in the dark Name Catalog N0 Fluorescent lamp 210490 Fluorescent lamp unit for LTI series Peforms day and night operation with appropriate illuminance while culturing alge growing plant and insect Illuminance Approx 3000Lx In the middle of the chamber temperature in the chamber 25 fluorescent lamp 10W 4 Program 24hrs 2 step Digital Available temperature range 5 40 Chilling temperature differs de...

Страница 11: ...et Shelf board Control panel Left side LTI 400E 700E and 1200E have same structure as below Terminal for outputting alarm optional accessory attachment Terminal for outputting recorder optional accessory attachment Hatch clip with key hole attachment Left and right Hatch clip with key hole attachment Left and right Inner door Chamber LTI 400E 700E and 1200E have same structure as below Sensor for ...

Страница 12: ...r cover Over cold protector Caster 4 with level adjuster 9 Switch for fluorescent lamp Observation window Hatch clip with key hole attachment Left and right Hatch clip with key hole attachment Left and right FUSE PUSH Lighting AC Outlet On Off Max 2A Switch for fluorescent lamp LTI 1200E For outlet in the chamber Inner door Switch for fluorescent lamp Outlet for the top part will be available when...

Страница 13: ...h time you press the key Down key Available only for setting value or character Each time you press the key the value decreases by 0 1 １ min and holding down the key for longer than 1 second can decrease the value continuously 3 When displaying the character it changes each time you press the key 4 Run Stop key Starts and stops control 5 Over heat alarm lamp Lights up when over heat protector or o...

Страница 14: ...eration auto defrosting operation is selected Blower switch 7 Turns on and off the blower in the chamber If you turn the switch on Flow side blower starts working and if you turn it on Stop side the blower stops working Blower lamp Lights up when blower works 1 When turning on power switch of LTI 1200E electromagnetic valve which changes cooling capability sounds 2 Except 24 hour operation 3 Each ...

Страница 15: ... reaching at the setting temperature setting value for stationary operation After elapsing the time it stops controlling automatically 2 Auto start mode If you set the time ｔ and start operation the unit performs stationary operation after elapsing the time Timer mode Constant number operation can be started and stopped at the setting time of timer Three types of timer modes are available which ar...

Страница 16: ...changed Setting range of upper temperature limit alarm 0 0 30 0 Factory default 5 0 3 Lower temperature limit alarm Setting value for lower temperature limit alarm can be changed Setting range of lower temperature limit alarm 0 0 30 0 Factory default 5 0 4 Power recovery Operations after power recovery can be selected Selectable items after power recovery ｃｏｎt The unit will be controlled after pow...

Страница 17: ...ed manual defrosting maintenance and checkup after resetting the time Factory default 0hr The setting of adjustment mode can be changed even when the unit is controlled or not controlled 1 Press Set key for longer than 5 seconds Indicator displays SnS and the mode enters into adjustment mode 2 Each time you press or key setting mode changes Choose your desired mode Adjustment mode changes in order...

Страница 18: ...lay Operating conditions Alarm is activated when the temperature in the chamber exceeds Setting temperature setting temperature for upper temperature limit alarm temporarily Releasing alarm Alarm will be released automatically when the measured temperature is within the range of Setting temperature Setting temperature for upper temperature limit alarm Alarm will be also released by Set key Setting...

Страница 19: ...ally Alarm can be also released by Set key Sort out the trouble if over heat protector or over heat protecting thermostat works Displays alternately By following the setting for power failure alarm the unit will be controlled or gets stopped Display of continuing control Display of stopping control Power failure alarm Operating conditions Alarm is activated when power failure occurs or turning off...

Страница 20: ...ure of over heat protector Temperature exceeds the settable range of over heat protector which made over heat protecting thermostat work temperature reaches around 70 Over cool alarm Refrigeration unit will not be controlled Recovers automatically when sorting out the trouble Alarm display Over Cool Over cool alarm lamp lights up Indicator displays measured temperature however other alarm may be a...

Страница 21: ...n unit will be impaired because of high temperature and high pressure operation No direct sun light Ambient temperature must be from 5 to 35 Well ventilized No inflammable solid liquid and gas around the unit No dew condensation Lesser humidity and no dripping Lesser dust Solid and level Be sure to check the weight of the unit while it is running 4 2 Conditions To keep the best performance of the ...

Страница 22: ... subtense 17 and level the unit Adjust the level adjuster to fix the casters and level the unit Rotating part Lowering the unit Raising the unit Level adjuster Caster With 4 level adjusters 2 Fixing the product How to use the clamp Clamp is used for fixing the unit on the floor Port for inserting anchor bolt is equipped Diameter 7mm 12mm 1 Remove 4 screws see the right picture on the back side of ...

Страница 23: ...t your closest electric appliance shop and ask them to conduct the grounding construction work to set the earth terminal If the outlet has earth terminal power plug is available without any devices WARNING To avoid electric shock hazard do not connect earth wire to gas or water pipe Ground the unit properly WARNING Excess current may burn the cable or cause fire Do not use branching socket WARNING...

Страница 24: ...combination products The application of combination products may be limite depend on the model Heat load in the chamber Since the products used in the chamber may form dew condensation please prepare water proof products When the heat load of sample or device in the chamber is too heavy the temperature may not reach at the setting value Maximum load 0 5LFlaskｘ4 1LFlaskｘ2 3LFlaskｘ1 Weight 5kg When ...

Страница 25: ...m with the screws that were removed from the main unit When fixing each terminal to the main unit do not tuck the wires Terminal for outputting recorder Outputs the data to record the temperature in the chamber displayed value in the recorder Output range DC1 4V Temperature range 20 80 DC30mV Accuracy 12mV 22 Terminal for alarm When the safety feature works it outputs the unusual status of the uni...

Страница 26: ...ize and length 3 Setting and using fluorescent lamp 1 Remove 2 screws on the front side of the ceiling of the chamber and loosen other 2 screws a little bit 2 Attach 2 screws to the holes of fluorescent lamp and tighten them by cross slot screwdriver with holing the lamp 3 Now the lamp is fixed with 2 screws that were removed before 4 Connect the plug of the lamp to the outlet on the right side of...

Страница 27: ...the chamber Power switch is turned on 2 LTI 700E Outlet at the top of the chamber Power switch and fluorescent lamp switch are turned on Outlet at the bottom of the chamber Power switch is turned on 3 LTI 1200E Outlet in the chamber Power switch and fluorescent lamp switch are turned on Since sudden electric current may occur when turning the device on check the maximum instantaneous maximum curre...

Страница 28: ...mable substances are nitric ester nitro compound and etc Flammable substances are salt peroxide inorganic peroxide nitrate organic salt and etc DANGER Since the temperature in the chamber will be high depending on the setting value some chamber may be melted Check the upper temperature limit of the vessel Check the upper temperature limit of the vessel CAUTION When putting glass ware in the chambe...

Страница 29: ...pplied with the product 1 Remove 3 screws with washer on the side where the hatch clip is attached to and 2 screws with washer on the door side by cross slot screwdriver Refer to Description on page P8 and 9 Do not lose screws and washers 2 Fix the hatch clip with supplied 5 screws 2 spare screws Padlock or other type of lock are not supplied with the product 6 Setting hatch clip with key hole 4 C...

Страница 30: ...ng by mode switch of refrigeration unit Default setting for refrigeration unit mode is Int Use Int mode Execute defrosting by hot gas from refrigeration unit every two hours after reaching at setting temperature at 50 0 or lower to prevent deterioration of the cooling capacity If the setting temperature is higher than 50 1 temperature can be controlled only by heater So set Cont mode In such a cas...

Страница 31: ...ture will be displayed Note Value will be displayed in LTI 400E and 700E displays 07 LTI 1200E displays 06 1 Temperature setting Temperature can be changed even during control or under suspension Setting temperature can be shared with constant number operation and all the timer modes 1 Press Set key Indicator changes to display setting temperature blinking and temperature can be set Set key lamp S...

Страница 32: ...on Press Run Stop key to stop constant number operation Temperature display lamp lights up When stopping the unit stop operations and turn the power switch off Turning off the power switch without stopping the operation will occur power failure alarm next time If you do not use the unit for a long period turn off the power switch and residual current device and disconnect the power plug from the o...

Страница 33: ...minutes and holding down the key for longer than 8 sec the value changes by 10 hrs 5 Press Set key a While the unit is controlled displayed setting time blinking is determined and selected timer mode control gets started b While the unit is under suspension displayed setting temperature blinking is determined Indicator changes to display measured temperature Set key lamp SV turns off a light If no...

Страница 34: ... time Factory default value is 20 0 4 Press or key to input the time to input the time Each time you press or key the value changes by 0 1 holding down the key for longer than a second can change the value by 1 0 and holding down the key for longer than 4 sec the value changes by 10 0 5 Press Set key No matter if the unit is controlled or not displayed setting step temperature blinking is determin...

Страница 35: ... for longer than a minute while setting timer indicator changes to display measured time In such a case please repeat the procedure from 1 in a completely opposite manner 6 Changing setting time 7 Determining the setting time For more details about running and stopping 1 step operation please refer to Page 35 32 PV Run Stop Mode Set Def h m SV Alarm Heating Auto stop Auto start 1Step Defrost 24Hou...

Страница 36: ...y for longer than 5 sec can stop counting the time on the half way Operation changes from Auto Stop to Constant number operation 3 Stopping Auto Stop Operation Auto Stop operation stops controlling when the timer stops counting the time After control indicator displays constant number operation Auto Stop Lamp turns off a light Time display lamp h m turns off a light Temperature display lamp lights...

Страница 37: ...to Start Lamp turns off a light Time display lamp h m turns off a light Temperature display lamp lights up Auto Start Lamp turns off a light If you d like to finish controlling press Run Stop key Temperature display lamp turns off a light When finishing operations of the unit stop running the operation and turn off the power switch Turning the power switch off without stopping operations can occur...

Страница 38: ... key to display measured temperature while the time display lamp h m blinks after reaching at the setting value for step operation 1 step operation lamp blinks Temperature display lamp turns off a light If no key operation is done for approx 10 sec the display returns to measured temperature b Displayed time of the timer will be subtracted as the timer works c Pressing Mode key for longer than 5 s...

Страница 39: ...urn off the power switch Turning the power switch off without stopping operations can occur power failure alarm next time If you do not use the unit for a long period turn off the power switch and residual current device and disconnect the power lug from the outlet 36 PV Run Stop Mode Set Def h m SV Alarm Heating Auto stop Auto start 1Step Defrost 24Hour Pro 37 0 ...

Страница 40: ...hanges by 0 1 Holding down the key for longer than a second can change the value 1 0 Holding down the key for longer than 4 seconds can change the value by 10 0 5 Press Set key Displayed step temperature blinking is determined Indicator changes to display preset time blinking and time can be set Set key lamp SV lights up Time display lamp h m lights up 1 2 Changes to timer mode and selects 24 hour...

Страница 41: ...ach time you press or key the value changes by 0 1 Holding down the key for longer than a second can change the value by 1 0 and holding down the key for longer than 4 seconds can change the value by 10 0 10 Press Set key Displayed step temperature blinking is determined Indicator changes to display preset repeat count value blinking and repeat count can be set Set key lamp SV lights up Time displ...

Страница 42: ...ation gets started After displaying 24SP or selecting 24 hour cycle operation the display returns to measured temperature if no key operation is done for longer than a minute In such a case select 24 hour cycle operation mode once again by Mode key and start the operation After starting 24 hour cycle operation temperature time setting and the progress of the programs elapsing time and repeat count...

Страница 43: ...ks Displaying measured temperature will be back to the value displayed previously if no key operation is not done for longer than 10 seconds 14 Stopping 24 hour cycle operation After completing the operation the unit will be controlled in constant value operation 24 hour cycle operation lamp turns off a light Time display lamp h m turns off a light Temperature display lamp blinks Checking time cou...

Страница 44: ...t alarm mode Calibrated temperature will not be available until you press Set key To change another adjustment mode press or key to change the mode If you do not change other adjustment mode press Set key for longer than 5 seconds Indicator changes to display measured temperature again If no key operation is done for longer than a minute while setting the display changes to measured temperature di...

Страница 45: ...ower temperature limit alarm mode Calibrated temperature will not be available until you press Set key To change another adjustment mode press or key to change the mode If you do not change other adjustment mode press Set key for longer than 5 seconds Indicator changes to display measured temperature again If no key operation is done for longer than a minute while setting the display changes to me...

Страница 46: ...e changes to power recovery setting mode Changed temperature will not be available until you press Set key To change another adjustment mode press or key to change the mode If you do not change other adjustment mode press Set key for longer than 5 seconds Indicator changes to display measured temperature again If no key operation is done for longer than a minute while setting the display changes t...

Страница 47: ...il you press Set key To change another adjustment mode press or key to change the mode If you do not change other adjustment mode press Set key for longer than 5 seconds Indicator changes to display measured temperature again If no key operation is done for longer than a minute while setting the display changes to measured temperature display again In such a case please reset all the settings from...

Страница 48: ... to total operation hours setting Changed character will not be active until you press Set key To change other adjustment mode press or key to display the mode you d like to change If you don t need to change the other adjustment mode press Set lye for longer than 5 sec Then indicator changes to display Measured temperature If no key operation is done for longer than a minute while setting the dis...

Страница 49: ... display and reset Changed character will not be active until you press Set key To change other adjustment mode press or key to display the mode you d like to change If you don t need to change the other adjustment mode press Set lye for longer than 5 sec Then indicator changes to display Measured temperature If no key operation is done for longer than a minute while setting the display returns to...

Страница 50: ... Then resetting can not be executed 5 Pressing Set key for longer than 5 sec while cLr is displayed can display measured temperature on the indicator and the values can be reset Values will not be reset until you press Set key for longer than 5 sec To change other adjustment mode press or key to display the mode you d like to change If you don t need to change the other adjustment mode press Set l...

Страница 51: ...ll be completed in an hour If you press Set key while executing Defrosting setting temperature for stationary operation will be displayed Even though the temperature does not reach at setting value 25 the operation will be completed in an hour automatically If the unit still has frost formation execute defrosting again 3 Stopping Defrosting manually If you d like to stop Defrosting forcibly press ...

Страница 52: ...Power is not supplied Turn on the breaker of distribution board Residual current device is not turned on Residual current device is impaired Power switch is impaired Temperature controller is impaired Refrigeration unit does not work properly Refrigeration unit is impaired Over load relay protection circuit of refrigeration unit works refer to P 15 and 17 Over load alarm for refrigeration unit occ...

Страница 53: ... sensor Dew condensation is built up on the wall of the chamber Temperature does not rise up to the setting value Unit can not be temperature controlled SSR is impaired Temperature controller is impaired It may happen depending on the setting ambient temperature or humidity in the chamber Wipe the dew off with soft cloth Upper temperature limit alarm is activated Too many samples and vessels in th...

Страница 54: ...g temperature is too high set the value up to 30 Temperature controller or SSR or fan in the air jacket may be impaired which makes the temperature higher than setting value Stop running the product immediately and call your local agency or closest customer service center Under cooling alarm is activated Setting value for under cooling protector is too high For details about the setting of under c...

Страница 55: ...the unit CAUTION If residual current device does not work properly electric shock hazard occurs when a short is caused So please conduct the test more than once in a month Conduct operation test for residual current device CAUTION Connect the main connector and push the test button of the device with thin stick while the mains switch is turned on The condition is normal if the device works and the...

Страница 56: ...e condenser refrigeration unit and natural air cooling type condenser Wire condenser black is attached on the back surface Dirt on the condenser worsens the cooling capability and cause malfunction on the refrigeration unit Check the condition regularly and remove the dirt with brush and etc Wire condenser cover Before cleaning and caring the product turn the mains switch off and disconnect the po...

Страница 57: ... FUSU PUSH Lighting AC Outlet AC Outlet On Off Max 1A Max 2A LTI 400E 700E Fluorescent light switch FUSU PUSH Lighting AC Outlet On Off Max 2A LTI 1200E Fluorescent light switch FUSU PUSH AC Outlet Max 2A LTI 400E Outlet in the chamber LTI 400E 700E For outlet in the chamber Top LTI 400E 700E For outlet in the chamber Bottom LTI 400E For outlet outside the chamber LTI 1200E For outlet outside the ...

Страница 58: ...ng glow starter turn the glow starter cover and light to the direction to be removed Our fluorescent light is designed with explosion proof structure Do not use other brand s light Model Product name Replaceable parts Fluorescent tube Glow starter FL10W Similar product is also available FL7GE Similar product is also available ...

Страница 59: ...d bottom pins CAUTION Same as the other side 8 Position where bottom pin sticks out 9 Position where bottom pin is stored Lever Pin CAUTION Same as the other side 7 Position where top pin stick out 6 Position where tom pin is stored Lever Pin Top Hinge Bottom Hinge Port for setting top and bottom pin Same as the other side Remove screws of hinge cover Then you can find the set port Hinge cover Scr...

Страница 60: ...lls In this phase door is fixed with 2 points and Do not open the door in this position 7 Set hinge cover in 4 points with screws 8 Open the door and remove hinge spacer and keep it You need it when changing the opening side again Be sure to attach the hinge cover Hinge cover is required to prevent malfunction of the hinge lever CAUTION Do not change the opening side by yourself The door is too he...

Страница 61: ...hit the packing of the bath If the door hit the packing loosen the screws and try to fix the door with raising the door a little upward LTI 1200E Inner door Left side Right side 1 Remove all the screws that fixes the hinge of the inner door LTI 1200E has 2 inner doors and 2 hinges are attached to each door Let someone hold the inner door so that it won t fall down Attach removed screws to the bath...

Страница 62: ...er mentioned on the manual Main components and disposal instructions LTI 400E Approx 85 kg 740 W 815 D 1600 H mm 630 W 705 D 900 H mm Weight Dimension Specification Main unit Component Contact waste disposer Method for disposing Please dispose packing materials by separating each type of material 59 Approx 98 kg LTI 700E LTI 1200E Approx 145 kg 120g Included refrigerant in the refrigeration unit L...

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Содержание LTI- 400E

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