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Alarm name

Alarm message

Cause

Drain tank full alarm
(when you attach
an optional drain
tank.)

- Buzzer sounds for 15 seconds.
- All operations are stopped.
- The alarm message [DTK] flashes.

The drain tank (option) is filled up.

(Approx. 10L)

- Buzzer sounds for 15 seconds.
- All operations are stopped.
- The alarm message [HU2] flashes.

- Buzzer sounds for 15 seconds.
- All operations are continued.
- The alarm message [OVR] flashes.

- Buzzer sounds for 15 seconds.
- All operations are continued.
- The alarm message [OVC] flashes.

- Buzzer sounds for 15 seconds.
- All operations are continued.
- The alarm message [OFF] flashes.

- Buzzer sounds for 15 seconds.
- All operations are continued.
- The alarm message [HU1] flashes.

- Buzzer sounds for 15 seconds.
- All operations are continued.
- The alarm message [COL] flashes.

- Buzzer sounds for 15 seconds.
- All operations are continued.
- The alarm message [PRG] flashes.

* Indications disappear, and any key

operation is not accepted.

- All operations are stopped.

Humidity upper limit
alarm

Overheat alarm

Overcool alarm

Power failure alarm

Temperature
control alarm

Cooling alarm

Temperature
gradient alarm

Watch-dog

The measured humidity is left being at 100%
or 0% over 5 minutes.

After the measured temperature reaches to
the set point, it exceeds 5

℃

or higher than

the set point.

After the measured temperature reaches to
the set point, it exceeds 5

℃

or lower than

the set point.

The unit is shut down while operating.

The measured humidity deviates form the
set value

20%, and it is left for more than

60 minutes.

Although the refrigeration unit works and the
heater stops, the temperature cannot be
lowered 1

℃

under the below conditions.

-5

℃

or higher measured temp. : during 30min.

Lower than -5

℃

measured temp : during 60min.

The measured humidity deviates form the
target value

5% during the gradient control,

and it is left for more than 10 minutes.

It detects crash of CPU due to an excess
noise and stops the microprocessor.

How to release alarm.

1) In case of

Overheat protection alarm for chamber [TH]
Overload alarm for refrigeration unit [OLR]
High pressure alarm for refrigeration unit [HP]

Turn off the power switch of the unit once,
solve the cause of alarm, and turn on the
power switch again.

2) In case of

Door alarm [DOOR]

When the door is closed, the alarm is
released automatically.
* [Clear] key cannot release the alarm.

3) In case of other alarms

When you press [Clear] key, the alarm is
released.
If the cause of the alarm is not solved, the
alarm occurs again.

4) In case of watch-dog

Turn off the power switch of the unit once,
and turn on the power switch again.

Содержание KCL-2000W

Страница 1: ...is manual is designed to use this unit safely with the best performance Be sure to read Safety precautions carefully before use Please keep this manual in a place easily accessible to every user Important Tokyo Rikakikai Co Ltd Instruction Manual ...

Страница 2: ...for warning Any flammable material such as organic solvent cannot be contained in this unit Also due to its functions and characteristics some parts of this unit subject to high temperature If you touch them carelessly you may get burned unexpectedly This manual shows precautions for your safety to prevent careless injuries They are classified and defined according to their risk and indicated with...

Страница 3: ...the instructions carefully whenever using the machine If you have any trouble reading the label because of damage and etc please replace with new one Please contact us if you require new label Do not touch the cooling fin with your bare hands Edgy fin may cause you physical unjury Caution Dangerous Do not put any explosive materials such as organic solvent ...

Страница 4: ...ion troubleshooting maintenance check up and disposal for Environmental chamber KCL 2000W Please read this manual carefully before use Instruction manual 10 11 12 14 16 17 1 5 1 Wet bulb wick Drain hose Dropper 15 Grounding adapter Washing brush 1 Screw Water supply hose set Water supply hose Alarm output connector 13 Leaflet on panel key operation 18 1 1 1 1 Introduction Thank you for purchase of...

Страница 5: ...of structure Dangerous Caution Do not touch the cooling fin with your bare hands The cooling fin is very sharp Do not touch it with your bare hand on the occasion of maintenance of the unit to avoid injury of your hand 2 2 1 Use application Outline of the product Warning Do not remodel the product Do not use it out of specified applications Remodeling or using the product out of specified applicat...

Страница 6: ...ensor fault Humidity control failure Humidity upper limit fault Water supply failure Low level of water supply tank Door open Watch dog SSR fault Full drain tank when using an optional drain tank RS 232C interface Recorder output terminal for temperature and humidity Alarm output terminal Contact voltage type Calibration of temperature indication Maintenance mode External water supply Forced drain...

Страница 7: ...tion If the unit is operated at 30 40 or lower temperature for a long time one day one week or longer please set interval defrosting operation for the operation The chamber temperature will go up by about 3 and the chamber humidity increase by about 20 RH when the defrosting mode works under room temperature 20 Actual changes of such temperature and humidity differ depend on actual operating condi...

Страница 8: ...vironmental conditions such as load condition If the unit is operated at 30 40 or lower temperature for a long time one day one week or longer interval defrosting operation must work The temperature in the chamber is raised about 3 and the humidity in the chamber is raised about 20 RH when the defrosting mode works under 20 of room temperature These variation differs depends on actual operating co...

Страница 9: ...ronmental temperature power source voltage with load or without load 20 10 0 10 0 10 20 30 40 50 60 70 80 90 20 35 RT 20 RT 30 40 50 60 70 80 0 5 10 15 25 50 Time min Temp 30 35 40 45 90 20 20 Without humidification control 1 20 room temperature Cooling curve 85 20 2 20 35 room temperature Cooling curve Temp Without humidification control Time min ...

Страница 10: ...emperature Time min Temp Without humidification control Refrigeration unit is OFF If 10L capacity drain tank is full option the unit indicates alarm message and stops temperature and humidity control The tank cannot be used when the unit is placed on the floor without using a rack Use the drain tank in a place where is 310mm lower than the unit ...

Страница 11: ...for humidification tray top Observation window for frost Water supply plug Drain nozzle Level adjuster 4 ea Caster 4 casters w level adjuster Airflow orifice Rack Bottom plate Frost receiver Dry bulb temperature sensor Wet bulb wick Wet bulb temperature sensor Wick holder Temperature Humidity Alm Out Com Recorder output terminal for temperature Alarm output terminal RS 232C interface Control panel...

Страница 12: ...larm Over Heat ３０４０５０６０７０８０９０ Power switch Operation key LCD panel LED indicator Control volume of Over heat protector You can set any value for over heat protector within the range from 30 to 90 through this volume switch Set the over heat protection value 10 higher than the set up value when the temperature is between the setup value and 80 f the setup temperature is higher than 80 turn th...

Страница 13: ...y lamp Pause key Pause key Pause key lamp Key Lock key Operation key lock function Key Lock key lamp 21 23 22 24 Clears the input data and releases alarms Some alarms cannot be released by this key Refer to the chapter Releasing alarm on P 17 Also you can clear all the data of the selected programs if you select one program displayed by Mode key Holding down this key for more than 1 second for pre...

Страница 14: ...om the outer tank and when the level reaches to 3 watar supply stops This key function does not work while draining by Manual Drain key Lights up when the water supply is active Turns ON OFF the forced defrosting operation If you press this key while the control operation stops or runs forced defrosting operation starts to work Defrost Running lamp illuminates When the defrosting operation is comp...

Страница 15: ...p Defrosting operation lamp Program Mode lamp Alarm lamp Screen Mode Copy Clear 9 6 3 Enter 8 5 2 7 4 1 0 Description No Function The water level of inner tank is indicated on a scale of one to four When the level is normal the green lamp illuminates When the level is low the red Empty lamp illuminates See Humidification procedure on P 33 Lights up when the temperature heater is active Lights up w...

Страница 16: ... Although the humidity input range is 0 98 0 RH the actual control operation starts form 2 RH Time Temperature Humidity Temperature Humidity Time Temperature Humidity Temperature Humidity Set time Time Temperature Humidity Temperature Humidity Set time Two operation modes which are normal and program mode are available In program mode there are five patterns of program from No 1 to 11 For more det...

Страница 17: ...idity One pattern consists of 10 segments Temperature Humidity 2 Target humidity precedent control When you set the time 00 00 and change the target humidity without changing the target temperature the operation is continued until the temperature reaches to the target point 0 3 being independent of the time The time is set Time Gradient control Temperature Humidity 3 Time precedent control When yo...

Страница 18: ...l status of user s program can be check visually by a graphic indication Temperature and humidity is switched over This function is available for use s programs No 3 9 and the screen is switched by Screen key Maintenance mode screen Temperature and humidity indication calibration can be set Also this mode measures and displays the time for humidification tray wet bulb wick and condenser filter whi...

Страница 19: ...or bottom are indicated with flashing and all control operations are stopped The humidification tray is not supplied water Low water level of the tray Due to some trouble of temperature controller or SSR temperature inside the chamber exceeds the alarm temperature Overload relay holding circuit for refrigeration unit When the refrigeration unit works under overload overheat or start up the alarm m...

Страница 20: ... Buzzer sounds for 15 seconds All operations are stopped The alarm message HSSR flashes Buzzer sounds for 15 seconds All operations are stopped The alarm message HTR flashes Buzzer sounds for 15 seconds All operations are stopped The alarm message HHTR flashes Buzzer sounds for 15 seconds All operations are stopped The alarm message SNS1 flashes Buzzer sounds for 15 seconds All operations are stop...

Страница 21: ...ter the measured temperature reaches to the set point it exceeds 5 or higher than the set point After the measured temperature reaches to the set point it exceeds 5 or lower than the set point The unit is shut down while operating The measured humidity deviates form the set value 20 and it is left for more than 60 minutes Although the refrigeration unit works and the heater stops the temperature c...

Страница 22: ...wer is worsened if the environmental temperature is raised Also refrigerator may be impaired because of overload and high pressure operation Select the installation site that meets the following conditions No direct sun light Ambient temperature should be from 5 to 30 Well ventilated or a location where can be ventilated well No combustible solid liquid or gas around the unit No dew condensation L...

Страница 23: ...eased 4 parts 2 Move the unit to your desired installation site Moving over steps or uneven place may damage the casters Lift and carry the unit to move on such place 3 Lock casters at installation site Turn each level adjuster 4 pcs counterclockwise with a spanner opposite side distance 17 to fix the unit Keep the unit horizontal with adjusting 4 level adjusters This adjustment is temporary Preca...

Страница 24: ...over Rotation part Lower Rise Level adjuster Hexagon head bolt Hexagon head nut Spring washer Flat washer Flat washer Make sure that the unit is set up in a horizontal position Caution Put spirit level on the top of the unit to make sure that the it is in a horizontal position When the unit is not horizontal adjust four adjusters either of unit or rack with using a spanner opposite side distance 1...

Страница 25: ...red voltage phase and capacity as it is shown in the right table Check the outlet to be used Do not connect to the unit yet You can plug main connector to the outlet with a ground terminal If the outlet has no grounding terminal attach grounding adapter on the mains connector Connect earth wire of adapter to grounding terminal If no grounding is available please consult your closest electric appli...

Страница 26: ...nal water supply tank to the position and with supplied two of M4 screws as shown Fix the position with removed four M6 screws Remove the screw which is attached in the procedure 2 and fix the hole below with it Fix the position with remaining two M4 screws Tighten enough screws to attach the rack surely As the tank capacity is about 20L the tank cannot hold up its weight with insufficient attachm...

Страница 27: ...er supply which is assembled for attaching to the right side before shipment Loosen screws attached to the left side with a cross slot screwdriver M4 screw 4 pcs M6 screw 4 pcs Attach temporarily the rack for external water supply tank to the position and with supplied two of M4 screws as shown Use the supplied fixing plate to tighten the part Fix the position with removed four M6 screws Remove th...

Страница 28: ... 1 Socket Nut for socket Hose supplied Replacement of hose of water supplying hose set Put the hose into the nut for socket connect it to the socket and tighten the nut Connect the L shaped socket to the another end of hose and fix it with a hose band When attaching the tank to the left side of unit replace the hose of water supply hose set with the supplied another hose Make sure that no leakage ...

Страница 29: ... it in a direction opposite to the nipple Open the stopcock of the external water supply tank and squash the silicone tubing several times to remove included air completely If you remove the air successfully air bubbles are found in the tank If air bubbles are remained in the tubing water cannot be supplied Attach the socket of hose set to the water supply plug Just push the socket to attach tight...

Страница 30: ...erflowed water from the humidification tray top bottom and drained water from the chamber and the drop receiver and forced drained water are collected into the tray 1 2 Drain nozzle Nozzle Fixing nut Loosened With loosing the fixing nut you can change the direction of drain nozzle After changing the direction tighten the fixing nut surely While operating the unit or right after completing the oper...

Страница 31: ... temperature sensor for wet bulb with the wet bulb wick surely by following the below procedures Wet bulb wicks are supplied 5 pieces singly with aluminum package Clean your hands with some soap before opening the package not to get the wick dirty Wet the wet bulb wick with purified water and put the temperature sensor for wet bulb into it The wet bulb wick must be capped on the temperature sensor...

Страница 32: ...ith keeping uniform distance The load capacity per shelf is 15kg Do not block the air suction port and fan with samples when you put them into the chamber Convection in the chamber is obstructed The temperature control alarm may be activated in some cases Due to the characteristics of this unit the moist sample is dried if no temperature control was done Vaporized moisture may make dew condensatio...

Страница 33: ... cables of inner devices to outer electric power supply port Embed a supplied silicone stopper into the cable port which is made a lengthwise cut in It prevent entering moisture into the chamber The silicone stopper is supplied one piece as standard 8 Connection of recorder Analog output terminal Use the terminal depending on your purpose Recorder output terminal for temperature Recorder output te...

Страница 34: ... each thermal contraction tube Do not use without soft soldering Assemble the connector again Connect the alarm output plug to the port Alm Out 1 2 3 The capacity of drain tank is 10L and it collects the drained water from the chamber When the tank is full the alarm DTK is indicated on the LCD panel of unit and the humidification is stopped Drain the water from the tank before the water level exce...

Страница 35: ...roubles occur turn off the leakage breaker immediately and check the unit by referring to the chapter Troubleshooting Caution Do not open the door while operating the unit at a high temperature humidity If you open the door while operating the unit at a high temperature humidity fan stops working however high temperature vapor may blow out and burn your hands Sometimes it may lead to mechanical tr...

Страница 36: ...Int Defrost key the defrost operation is executed every hour automatically when the setting temperature is 40 or lower On account of the hot gas flows into the cooling coil the chamber temperature and humidity are fluctuated for about 10 minutes every hours The fluctuation band depends on the operating condition Use this mode for the operation beyond 24 hours with 5 15 of set temperature or more t...

Страница 37: ...creasing of water Turn on Run Stop key When the water level reaches to Level 1 even if it is not full the solenoid pump works and the water is supplied into the top and bottom humidification tray and the wick holder About 10 minutes after turning on Run Stop key the water is supplied into the top and bottom humidification tray and the wick holder While draining Manual Drain key is turned on or whe...

Страница 38: ...the water level turn OFF Run Stop key once and make sure that the chamber temperature is cooled down then open the door to prevent burning with hot vapor blowing Turn ON the Run Stop key to start the operation 3 4 The refrigeration unit starts working in about 80 seconds after turning on the power switch Function of refrigeration unit protecting timer You will hear the click sound of solenoid valv...

Страница 39: ...efer to P 15 16 See the clause HP High pressure alarm Reduce the load of refrigeration unit Keep the ambient temperature lower than 35 Connect the unit to a proper voltage AC outlet port Reduce the load of refrigeration unit Keep the ambient temperature lower than 35 Keep the ambient temperature lower than 35 Check the setting temperature The setting temperature is not suitable The refrigeration u...

Страница 40: ...n connected tubes referring to the chapter Preparation on P 42 Or call your service agent The solenoid pump breaks down Stop using the product immediately and call your local dealer or closest customer service center The water supply hose connected from the solenoid pump includes air Open the ventilation cover and squash several times to remove air Water overflows from the wick holder and humidifi...

Страница 41: ...oise The circulation fan of chamber breaks down Stop using the product immediately and call your local dealer or closest customer service center The fan motor for condenser breaks down The refrigeration unit breaks down The solenoid pump starts The noise gee indicates the operation of solenoid pump It is normal unless it is higher Alarm message is indicated and alarm lamp illuminates Refer to the ...

Страница 42: ...mmediately and call your local dealer or closest customer service center Stop using the product immediately and call your local dealer or closest customer service center Stop using the product immediately and call your local dealer or closest customer service center Stop using the product immediately and call your local dealer or closest customer service center The SSR non contact relay which swit...

Страница 43: ...ed Alarm message FLW blinking Humidification control stops The wick holder and humidification tray top bottom cannot be filled with water although the water supply pump works The pump cannot supply water if the hose of suction side includes air Open the ventilation cover and squash the hose several times to remove the air Full drain tank alarm is indicated Optional tank Alarm message DTK blinking ...

Страница 44: ...tion port or storage of hygroscopic or evaporable samples Or the humidification tray top bottom becomes empty and boil dry and the heater for humidification top bottom is stopped automatically or the heater fault occurs and it causes above mentioned status Check the setting wet bulb wick condition water supply status and samples in the chamber The alarm indication can be cleared by Clear key Cooli...

Страница 45: ...sound Otherwise the buzzer stops automatically 15 seconds later even if you do not press Clear key The door alarm buzzer stops about 1 second later However the alarm that stops the control operation cannot be released completely by Clear key Turn off the power switch once and turn on it again If the alarm cannot be released or when the alarm occurs frequently even though the unit is restarted run ...

Страница 46: ...s cooled enough to avoid burning your hands 7 2 Cleaning and caring the product Clean or care the unit after turning off the power switch residual current device and unplugging mains connector from the AC outlet Caution Use proper cleaning material Do not use cleanser benzine acid liquid or other petroleum emulsion Do not pour water directly on the exterior or inside of unit It may cause electric ...

Страница 47: ... steel is used as the material of interior Antibacterial silver stainless steel has high antibacterial spectrum at 99 or more in multiple screening test of antibacterial effective Film coherent method The effect is also shown in our sampling test of chamber air to be beneficial for antibacterial ability Bracket holder brackets and a part of chamber interior is not made of antibacterial silver stai...

Страница 48: ...periodic intervals The water is drained completely for about 5 minutes later 5 Cleaning of humidification trays top bottom You can find the top humidification tray through the observation window And the bottom humidification tray is put in the back of the suction port cover Clean both humidification trays regularly Turn on the Manual Drain key to drain the water of wick holder and both humidificat...

Страница 49: ...nd disconnect the mains plug from AC outlet port to prevent receiving electric shock and avoid to cause some mechanical trouble of unit To the inlet of electromagnetic pump Set up the strainer as shown in the picture above Observation window is glassware If you damage the window glass may be broken and cause you physical injury Use care when handling it Heater for reducing dew condensation on the ...

Страница 50: ...ow the disposal standard of your country Main unit Coolant Model Net weight Overall dimensions After sales service 9 1 When the unit does not work well please refer to the section Troubleshooting and follow the instructions 2 If that failure mode still remains please call your local dealer or closest customer service center ...

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