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HOW TO REPLACE WATER LEVEL SENSOR.

1.Unplug the unit and check that power is not supplied

to the unit, then take the rear cover off.

2.Unfasten the connectors for lead wire and take out the

insulation for the lead wire hole.

3.Take out the duct from inside.
4.Unfasten the 2 screws to remove unit of water level

sensor and installation grommets for water level
sensor.

5.replace water level sensor.

Note Be sure to set the water level sensor to the

right direction.

6.Place back the water level sensor, Water sensor

installation grommet as before.

7.Place back the insulation material to the hole for

the lead wire.

Note Be careful for the length of lead wire for

water level sensor inside the unit Length is
connect 2

binder is located where it touches

the water level sensor grommet.
(refer to Fig.3)

3.Put the rear cover in place

Water level sensor
lead wire connector

Fig.1

Insulation for the
lead wire hole

Fig.3

binder

Water level
Sensor grommet

Water level sensor

Fig.2

screw

Water level sensor
Installation grommet

Содержание MCO-18AIC

Страница 1: ...Service Manual CO2 Incubator MCO 18AIC FILE No SM9910023 ...

Страница 2: ...am 20 Circuit diagram 21 Components on PCB 22 Connection on PCB 23 CO2 gas circuit 24 Prevention of contamination 25 Auto zero adjustment 26 27 Specifications of sensor 28 Parts layout 29 31 MCO 18UVS installation procedure 32 35 Mounting procedure of MCO 21GC 36 39 How to replace water level sensor 40 MCO 18PS installation procedure 41 42 MCO 18SB Setting procedure 43 MCO 21SB Setting procedure 4...

Страница 3: ...dels This service manual is effective following models Model name Model code Voltage and Frequency MCO 18AIC 823 279 51 115V 60Hz 823 279 52 220V 50Hz 823 279 53 220V 60Hz 823 279 54 230V 50Hz 823 279 56 230V 50Hz ...

Страница 4: ... cleaning easier and de contamination 5 Reduce contamination Inside chamber material is made by anti bacteria SUS Appearance and durability are almost same with ordinary SUS Anti bacteria SUS has effect same as copper alloyed except for humidity pan 6 Expandability Module concept The control circuit is adopted commonly with MCO 20AIC 7 Options 1 Castor with adjustor roller base MCO 18RB 2 CO2 gas ...

Страница 5: ......

Страница 6: ...evel range 0 20 CO2 level distribution range 0 15 CO2 level recovery period 10 minutes or less until the CO2 level is recovered to 4 5 after door opened for 30 seconds Internal humidity 95 5 RH Internal humidity recovery period 30 minutes or less until the internal humidity is recovered to 90 RH after door opened for 30 seconds Supplied CO2 gas pressure 0 03MpaG 0 3kg cm2 G when the gas supplied P...

Страница 7: ...ow CO2 level alarm Both display for temperature and CO2 are flashing and buzzer sounds intermittently after 15 min Independent alarm for overheat Door lamp Door switch When outer door is opened Inside fan OFF CO2 valve OFF UV lamp OFF and heater OFF only when door is kept opening for 1 min or more Remote alarm When an alarm is triggered Remote alarm ON Alarm and buzzer are interlocked Contact outp...

Страница 8: ...5 Dimensions ...

Страница 9: ...6 ...

Страница 10: ......

Страница 11: ...e actual measured value with key and key then press ENT key mThe display will automatically revert to the present temperature Note sIn temperature calibration it is important to accurately measure the internal temperature Particularly for the thermometer used its grade of accuracy should be than 0 5 class The measure should be carried out at the center of the chamber sThe temperature calibration r...

Страница 12: ... go off n Set the displayed value at 4 5 of the actual measured value with key and key then press ENT key oThe display will automatically revert to the present temperature Note sIn CO2 calibration if CO2 density display is less than 2 0 an error tone will be emitted and the input data will be ignored and the display will revert to the present temperature s CO2 calibration should be done after CO2 ...

Страница 13: ...CO2 calibration will not be performed with beeping the buzzer for a second continuously even if ENT key is pressed ENT During setting mode CAL mode and Function mode press the key to store the value The function is not valid for the unchangeable values A B The key is available only in optionally Auto changer mode in F08 In Auto changer mode press the key to switch the cylinder in use to another on...

Страница 14: ...rror code and PV is displayed alternately Note The remote alarm is controlled in every a minute exceptionally in Auto Zero That s why the remote alarm control is delayed 4minutes max after an error is displayed Error code E01 CO2 cylinder is empty E05 Temp sensor is open circuit E06 Temp sensor is short circuit E07 CO2 box temp sensor is open circuit E08 CO2 box temp sensor is short circuit E09 Am...

Страница 15: ...y An error is not displayed just after failed because the self diagnosis for SSR and heater failure is done only in every 40min or in the power supplied Above description is also applied for E13 E16 E13 Bottom heater is abnormal When the bottom heater is open circuit or SSR is short circuit E13 and an internal temperature are displayed alternately and buzzer sounds intermittently E14 Door heater i...

Страница 16: ...buzzer sounds with 15 minutes delay CO2 Auto Zero adjustment calibration See details in Auto Zero adjustment Page 26 6 Key lock function Lock mode Note In PV display keep pressing key shift key over 5 seconds to enter key lock mode display will change to L0 Press key to set 1 Key lock ON Press key to set 0 Key lock OFF Press SET to memorize the set then automatically returns to PV display In Key L...

Страница 17: ...ustment value for CO2 zero point F11 Display a coefficient of adjustment value for CO2 span point F12 Display the temperature in ambient temperature sensor F13 Initialize non volatile memory F14 LEDs and drivers performance check F15 Display a value to adjust zero point in temperature initial 008 F21 Communication device address ID set initial 000 F22 Communication parameter set initial 000 F24 In...

Страница 18: ...F03 for example if F05 is input then ENT key is pressed the continuous buzzer beeps for a second to return to PV display In this case input the above code to enter the device into F04 or a following function Note The above code is stored unless 000 is input in F03 or the mains is OFF F04 Display life span of UV lamp Note UV lamp is optionally provided Direction for use Input F04 on temperature dis...

Страница 19: ...itch manually one to another with A B key If the cylinder in current used is empty automatically switches to another cylinder and the lamp of empty cylinder flashes In Demonstration mode SV for both temperature and CO2 are displayed it seems to be under control At the time the heater is not conducted and CO2 valve is not opened Demonstration mode is used in exhibitions In Auto Zero zero adjustment...

Страница 20: ...Zero pump performs 4 0V x 5000 Only bigger three digits are displayed e g 5000 displayed as 500 F11 Display a coefficient of adjustment value for CO2 span point initial 500 Direction for use Input F11 on temperature display and press ENT key to display an adjustment value for CO2 zero point on CO2 display If you press ENT key or leave the device for 90seconds automatically returns to PV display De...

Страница 21: ...y and press ENT key to display an adjustment value on CO2 display for temperature zero point If you press ENT key or leave the device for 90seconds automatically returns to PV display Ex In 37 0 is displayed on the control panel and actual temperature is 37 8 if you perform temperature calibration actual temperature 37 8 is input 0 8 would be housed in F15 In Function Mode input F15 and press ENT ...

Страница 22: ...riod until an internal temperature reaches to SV 0 2deg after the door is left opened continuously for 60seconds or more 12 Door heater control Ordinarily conduct electricity to door heater in the same ratio with main heater SV in F07 is applied 13 Remote alarm remote alarm contact In normal condition Open In alarming condition Close Note The recovery time after BZ key is pressed and linkage betwe...

Страница 23: ...20 Wiring Diagram ...

Страница 24: ...21 Circuit Diagram ...

Страница 25: ...22 Components on PCB ...

Страница 26: ...CB CN101 CN9 1 2 CO2 valve 3 4 CO2 auto changer valve option To control CO2 valve ON and OFF CN10 Remote alarm output 1 2 Open during normal operation Output of remote alarm contact CN11 Communication board option CN12 1 2 Auto zero air pump 3 4 Air pump hinge sub heater CN13 Buzzer For alarm CN14 UV lamp relay option CN15 Water sensor To check water level in humidify pan CN101 Display PCB CN8 The...

Страница 27: ...24 CO2 gas circuit Auto Zero air pump 25mm Cap tube 25mm Cap tube Solenoid valve Filter Gas supplied Sample port front Filter T connector CO2 sensor Filter Back view Air pump ...

Страница 28: ...efore cBe sure to wash and sterilize your hands prior to servicing Use 70 ethanol dIn installing sterilize the inside wall and shelves after removing shelves duct humidifying pan and so on with 70 ethanol 3 In the case that mold is already increasing Sterilize the interior walls and shelves with 70 ethanol after removed all items from the chamber as same as 2 d above And you should sterilize again...

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Страница 30: ...ng with CO2 calibration Page 9 to input the actual value again 2 Auto Zero adjustment Refer to Auto Zero adjustment 3 The relation the CO2 gas density calibration with the Auto Zero adjustment The description is as follow Ex CO 2 density 5 Point calibrated by auto zero adjustment Set density CO2 0 0 5 Actual density CO 2 5 Point calibrated by CO2 gas density calibration Ideal line for the set valu...

Страница 31: ... 63 43 5 26 10 17 96 27 9 28 44 5 08 11 17 24 28 8 94 45 4 91 12 16 55 29 8 62 46 4 75 13 15 90 30 8 31 47 4 59 14 15 28 31 8 02 48 4 44 15 14 68 32 7 73 49 4 30 16 14 12 33 7 46 50 4 16 Specification for CO2 density output voltage in IR sensor Output voltage amplify value in main PCB CO2 density R13 output voltage V CO2 density R13 output voltage V CO2 density R13 output voltage V 0 0 4 00 8 0 2 ...

Страница 32: ...29 Parts layout agitating fan motor monitoring hole Auto Zero air pump Remote alarm terminal CO2 valve filter CO2 gas inlet ...

Страница 33: ...30 remote alarm terminal sensor BOX transformer for PCB noise filter sensor BOX temp sensor thermal fuse CO2 IR sensor power comsumption resistance R13 sensor BOX heater ...

Страница 34: ...31 CO2 gas inject port Overheat protect sensor Temp sensor Inlet port of Sampling gas for CO2 sensor Return port of Sampling gas for CO2 sensor UV lamp connection port Water level sensor ...

Страница 35: ... 2 c 1 UV lamp d1 UV lamp cover e6 screws M 4 f1 ballast glow assy r 1 Patent label q 1 Name plate i1 UV door switch caution label h1 UV caution label g 1 UV label Kit of MCO 18UVS Rear cover Fig 2 4 Take out two insulations for the UV lamp lead wire hole shown in Fig 3 The insulation can be taken out easily by pushing it from inside of the chamber Keep the insulation for the future use again 5 Se...

Страница 36: ... the insulation into the UV lamp lead wire hole with the wire passed through the cut on the insulation See Fig 6 UV lamp lead wire Insulation Fig 6 Fig 5 Humidifying tray cover 8 Remove a cap shown in Fig 7 By using 4 screws enclosed with this kit fix the ballast glow assy as shown in Fig 7 Fig 7 e Screw Cap f ballast glow assy ...

Страница 37: ...wire connector of ballast glow assy as shown in Fig 8 10 Attach the labels Connect after removing the cover GREEN BLUE Cover Fig 8 Fig 9 i UV door switch caution label g UV label h UV caution label k Patent label j Name plate ...

Страница 38: ...r the outer door is closed The condensation in the chamber can be caused and or the chamber temperature distribution can be affected due to the heat from UV lamp when the setting of UV lamp ON time is longer than 5 minutes or the only the outer door is opened closed repeatedly In such case the life of UV lamp is shortened In the procedure 2 above pressing CAL key for 5 seconds causes the calibrati...

Страница 39: ...c and then remove the hose and capillary 2 Attach the tube L100 l and fix the tube by the tube band removed in procedure 1 Make sure the tube band is fixed firmly to prevent gas leakage Parts list c CO2 valve assy d y pipe assy g spring washer f nut j screw i tube band S h tube band L e connecting port for CO2 gas pipe k tube l tube L100 Used for MCO 18AIC ONLY Fig 1 c CO2 valve assy tube band Rem...

Страница 40: ...ss from CN9 on Main board 6 Disconnect upper tube of CO2 valve A Connect CO2 valve A and CO2 valve B and tube X by using d as shown in Fig 4 7 Connect bottom tube of c to e 8 Connect e with CO2 gas supply line B by using k 9 Fix tubes securely using h and i as shown in Fig 4 10 Replace the rear cover NOTE Every tubes should be connected surely to prevent CO2 leakage Fig 4 Fig 3 CO2valve B Tube X C...

Страница 41: ...ator 000 is displayed and the right digit is flashed 5 By pressing key and key set the figure to 384 6 Press ENT key ENT The current chamber temperature is displayed 7 Press CAL key for 5 seconds CAL The left digit in the temperature indicator is flashed 8 By pressing key and key set the figure to F08 9 Press ENT key ENT In CO2 density indicator 0 is displayed and the right digit is flashed 10 By ...

Страница 42: ...2 inject lamp turns on NOTE In case of low ambient temperature it may take more than 1 hour until the machine can control CO2 density and the CO2 inject lamp turns on 5 Check the E01 CO2 gas cylinder empty alarm and buzzer turn on about 2 7minutes later from the CO2 inject lamp s turning on 6 Check the CO2 gas density indicator reaches to the set value 5 and keep it stably NOTE CO2 density control...

Страница 43: ...e to set the water level sensor to the right direction 6 Place back the water level sensor Water sensor installation grommet as before 7 Place back the insulation material to the hole for the lead wire Note Be careful for the length of lead wire for water level sensor inside the unit Length is connect 2nd binder is located where it touches the water level sensor grommet refer to Fig 3 3 Put the re...

Страница 44: ...ht Also check the upper unit is level If it is not level keep the unit even by adjusting the leveling legs 7 Secure the upper unit with the stacking plate A and 2 screws enclosed in this kit 8 Remove 2 hooks on the rear side of the lower unit by unscrewing each 2 fixing screws 9 Remove 1 screw on the bottom right and left on the rear side of the upper unit 10 Fix the stacking plate B at the right ...

Страница 45: ...t and left on the rear side of the upper unit only MCO 18AIC 7 Fix the stacking plate B at the right and left on the rear of the lower and upper unit with 3 screws removed in step 5 and enclosed in this kit 8 Fix the stacked unit to the wall with 2 hooks on the rear of the upper unit and rope or chain Stacking plate B Protective sticker Fig 3 Hook WARNING Select a level and sturdy floor having eno...

Страница 46: ...er unit with dFront fixing plate gRear fixing plate eRear fixing plate R and fRear fixing plate L are not used In case of stack MCO 17AIC 17AC 15AC Put the upper unit on it Fix the upper unit with dFront fixing plate e Rear fixing plate R and f Rear fixing plate L gRear fixing plate is not used 6 Check the both units are level NO Parts name Q ty c Stacking base 1 d Front fixing plate 2 e Rear fixi...

Страница 47: ... upper unit on it Fix the upper unit with eFront fixing plate hRear fixing plate fRear fixing plate R and gRear fixing plate L are not used In case of stack MCO 17AIC 17AC 15AC Put the upper unit on it Fix the upper unit with eFront fixing plate f Rear fixing plate R and g Rear fixing plate L hRear fixing plate is not used 6 Check the both units are level No Parts name Q ty c Stacking base 1 d Bas...

Страница 48: ...from Instruction Manual x If you find out Refer to page ƔƔ in them this page means not page in service manual but page in the lower corner of each page in the extract from Instruction manual This page number is not corresponded with serial number in Service manual ...

Страница 49: ...46 ...

Страница 50: ... contamination P 15 Installation P 15 BEFORE COMMENCING OPERATION Sterilizing of chamber and attachments P 16 Connection of CO2 gas cylinder P 17 Automatic CO2 cylinder changeover P 18 OPERATING INSTRUCTIONS Set of chamber temperature and CO2 density P 19 UV lamp P 20 Change of setting of UV lamp ON period P 21 Key lock function P 22 Water level sensor P 23 ALARMS SAFETY FUNCTIONS P 24 SETTING OF ...

Страница 51: ... a hazard to personnel possibly resulting in serious injury or death CAUTION Failure to observe CAUTION signs could result in injury to personnel and damage to the unit and associated property Symbol shows this symbol means caution or warning this symbol means an action is prohibited this symbol means an instruction must be followed Be sure to keep this manual in a place accessible to users of thi...

Страница 52: ...ground the unit through a gas pipe water main telephone line or lightning rod Such grounding may cause electric shock in the case of an incomplete circuit Check the gas type and ensure that it is fit for the purpose Make sure that all pipes are connected correctly and are not liable to become disconnected Ensure that the gas pressure is set at the specified value Improper connection of the gas pip...

Страница 53: ...ry Never expose the eyes directly to UV light as UV light can cause permanent damage to eyes Never remove cover when UV light is ON when an optional UV system kit MCO 18UVS is installed Hazardous UV light Do not press door switch Never disassemble repair or modify the unit yourself Any such work carried out by an unauthorized person may result in fire or injury due to a malfunction Disconnect the ...

Страница 54: ...l Current leakage or electric shock may result form deterioration of insulation by spilled water Do not climb onto the unit and do not put articles on the unit This may cause injury by tipping or damage to the unit When stacking the unit follow the procedure shown on page 33 Always hold the handle when closing the door This will reduce the likelihood of a trapped finger Do not damage the power sup...

Страница 55: ... or injury Disconnect the power plug when the unit is not used for long periods The deteriorated insulation may cause electric shock current leakage or fire Do not put the packing plastic bag within reach of children as suffocation may result Take care of the inside of the outer door It may get hot CAUTION ...

Страница 56: ...rature must be less than 32o C Ensure the ambient temperature is within the desired range Also do not place the unit in the direct air flow from an air conditioning system Cool air from an air conditioning system may cause condensation and lead to possible contamination 6 Always keep the chamber clean The condensation may be caused on the inside of the door by spilled water form humidifying pan or...

Страница 57: ...ol panel in normal use Pressing this key leads the calibration mode Wrong key operation affects the basic performance Never touch any other keys on the control panel in the event of pressing CAL key accidentally After about 90 seconds the unit returns to chamber temperature display mode automatically 15 If not used for a long period When the unit is not used for a long period dispose of the water ...

Страница 58: ... notify the recommendation of UV lamp replacement when the accumulated ON time of UV lamp is over about 1 000 hours The blink of the UV indicator on the control panel recommends the replacement of UV lamp For the replacement contact Sanyo sales representative or agent E18 will be displayed on the temperature indicator when the UV lamp is burned out Contact Sanyo sales representative or agent for t...

Страница 59: ...56 10 INCUBATOR COMPONENTS Rear left side Rear right side 11 17 18 20 1 2 3 4 5 6 7 8 9 inside 10 12 15 16 inside 14 19 When MCO 18UVS is installed 13 When MCO 18UVS is installed ...

Страница 60: ...0 03MPaG 0 3kgf cm2 G 4 3psiG Refer to page 18 for automatic cylinder changeover 12 Door switch Detects the door opening closing and stops the circulating fan and electromagnetic valve for CO2 when door is open UV lamp is also deactivated by door opening When an optional UV system kit MCO 18UVS is installed 13 Humidifying pan Use sterile distilled water to fill the pan Install the pan properly so ...

Страница 61: ...tes the set value of the CO2 concentration 10 Set key SET Pressing this key to enter the setting mode and the digits to be set will flash 11 Calibration key CAL By pressing this key for approximately 5 seconds the unit enters calibration function mode Also used to change the UV lamp ON period See page 30 and 21 for the details 12 Alarm buzzer stop key BUZZER Press this key to silence the buzzer wh...

Страница 62: ...rmal OPEN Abnormal CLOSE Contact capacity DC 30V 2A Note When the power switch is OFF or the power failure condition the contact output is CLOSE The remote alarm cannot be silenced by pressing the alarm buzzer stop key BUZZER since the remote alarm is not conjunct with the BUZZER key Remote alarm terminal Remote alarm terminal REMOTE ALARM MAX DC30V 2A N O ...

Страница 63: ...nerating sources 4 A location with a sturdy and level floor WARNING Install the unit on a sturdy floor If the floor is not strong enough or the installation site is not adequate this may result in injury from the unit falling or tipping over Select a level and sturdy floor for installation This precaution will prevent the unit from tipping Improper installation may result in water spillage or inju...

Страница 64: ... packaging materials and tapes Remove all transportation packaging materials and tapes Open the doors and ventilate the unit If the outside panels are dirty clean them with a diluted neutral dishwashing detergent Undiluted detergent can damage the plastic components For the dilution refer to the instruction of the detergent After the cleaning with the diluted detergent always wipe it off with a we...

Страница 65: ...tal surfaces 1 Take out all attachment such as trays humidifying pans etc from the chamber Refer to page 27 and 28 2 Clean all of the attachments with neutral detergent and then wash out the detergent with distilled water 3 Wipe the attachments with a gauze containing alcohol for sterilization and then wipe off with a dry gauze 4 Wipe the inside wall of the chamber with a gauze containing alcohol ...

Страница 66: ...e 2 Using the gas supply pipe provided connect the pressure regulator to the CO2 inlet located at the rear left hand side of the CO2 incubator 3 Set the CO2 pressure on the secondary side to 0 03MPaG 0 3kgf cm2 G 4 3psiG at gas injection Excessive pressure may cause disconnection of internal pipes inside the CO2 incubator which will result in leakage of CO2 gas into the atmosphere Elevated level o...

Страница 67: ...is lit by pressing the switching key 5 Select a CO2 gas supply line A or B 6 When one cylinder is empty the indicator is flashed buzzer sounds remote alarm is activated and E01 is displayed alternately on the control panel while the gas supply line is switched to other one To silence the buzzer press the BUZZER key 7 Replace the empty CO2 gas cylinder Note Exercise caution when handling empty CO2 ...

Страница 68: ...he figure to 37 0 When pressed the figure of settable digit changes 4 Press ENT key ENT Set temperature is memorized Left digit in CO2 density indi cator is flashed When pressed the changeable digit is shifted 5 By pressing digit shift key and numerical value shift key set the figure to 05 0 When pressed the figure of settable digit changes 6 Press ENT key ENT Set CO2 density is memorized 7 Adjust...

Страница 69: ...sible blue light can be checked under the humidifying pan cover The UV light is harmful to eyes Never turn on the UV light with the inner door or humidifying pan cover opened The UV lamp is ON for a predetermined period after the outer door is closed The period is factory set at 5 minutes Change the setting as necessary as shown in the page 21 The UV lamp is ON for a predetermined period every 12 ...

Страница 70: ...sed the figure of settable digit changes 5 Press ENT key ENT Set value is memorized and the display return to normal display mode The available set range for the UV lamp is between 0 and 30 minutes 000 to 030 When set to 000 the UV lamp is not turned on The UV lamp is turned off during ON period when the outer door is opened After closing the outer door the lamp turns on during predetermined perio...

Страница 71: ...e for key lock setting change from key lock OFF to key lock ON Description of operation Key operated Indication after operation 1 The current chamber temperature and CO2 density are displayed 2 Press digit shift key for 5 seconds L0 is displayed in the temperature indicator 3 Press numerical value shift key and scroll the figure to 1 When pressed the figure of settable digit changes 4 Press ENT ke...

Страница 72: ...the humidifying pan if the sensor is in lower position after maintenance At the time of installation of humidifying pan check that the pan is set properly and sensor is down in the pan The water level alarm lamp RH PAN blinks if the sensor is not down completely In this case set the pan again in adequate location Use an alcohol for sterilization when cleaning the sensor taking care not to stress t...

Страница 73: ......

Страница 74: ...ence the alarm after changeover of gas supply line If one of E05 to E17 except for E12 E13 and E14 is displayed consult with a Sanyo sales representative or agent SETTING OF ALARM RESUME TIME The alarm buzzer is silenced by pressing BUZZER key on the control panel during alarm condition The buzzer will be activated again after certain suspension if the alarm condition is continued The suspension t...

Страница 75: ...el sensor at the time of removal or replacement of attachments Do not clean the inside of the unit with a solution of disodium chlorate or other halogen based solution because this may cause rust 1 Take out all trays and the humidifying pan from the chamber 2 Remove ducts side support right and left side tray supports and the fan as shown in the figures on page 27 and 28 3 Clean all the attachment...

Страница 76: ... pins fixing the inner hinge and remove the inner door 3 Pull out the all trays See Fig 1 4 Remove all tray supports on the right and left side by lifting up the front side See Fig 2 5 By lifting up the humidifying pan cover unhook it at the rear and remove the cover as shown in Fig 3 6 Take out the humidifying pan See Fig 4 7 After removing 2 screws fixing the top duct take out the top duct by re...

Страница 77: ...hooks See Fig 10 12 Replace all attachments in the chamber with the reversed order mentioned above Note Always insert the fan on the motor shaft surely Check that the fan does not hit the rear panel by turning the fan manually Improper insertion may cause poor performance As shown in the figure set the shelf with the edge bent downwardly positioned at the front Improper setting cause tilted or uns...

Страница 78: ...lcohol for disinfection 4 Wipe off the bottom of the chamber completely 5 Place the pan under the pan cover and pour the sterile distilled water about 3 liters into it See Fig 3 Make sure that the water is pre heated at 37o C 6 Push the pan into its correct position and replace the cover over the pan Close the inner and outer door 7 Check that the water level alarm lamp on the control panel is off...

Страница 79: ......

Страница 80: ... once a week The primary pressure of less than 3 8MPaG 38kgf cm2 G means a little gas in the cylinder Replace the cylinder soon If the chamber temperature is not equal to the set temperature The ambient temperature must always be at least 5o C less than the set temperature The outer door was closed while the inner door was left open If the gas density does not coincide with the set value The secon...

Страница 81: ...oltage 6 Other supply voltage fluctuations as stated by the manufacturer 7 Transient overvoltages according to Installation Categories Overvoltage Categories II For mains supply the minimum and normal category is II 8 Pollution degree 2 in accordance with IEC 664 DISPOSAL OF UNIT WARNING If the unit is to be stored unused in an unsupervised area for an extended period ensure that children do not h...

Страница 82: ...wer switch and disconnect a plug of each unit 2 The stacking plate A and B are attached on the back of each unit To prepare the stacking plate A and B remove the rear cover by unscrewing 6 screws on the rear cover See the figure below 3 Take out the stacking plate A and B by loosening 2 fixing screws on each unit 4 Replace the rear cover and fix it with 6 screws 5 Check that the lower unit is leve...

Страница 83: ... level keep the unit even by adjusting the leveling legs 10 Secure the upper unit with the stacking plate A and 2 screws removed in step 3 11 Remove 2 hooks on the rear side of the lower unit by unscrewing each 2 fixing screws 12 Remove 1 screw on the bottom right and left on the rear side of the upper unit 13 Fix the stacking plate B at the right and left on the rear of the lower and upper unit w...

Страница 84: ...n assisted Air filter 0 3 µ m Efficiency 99 97 or more Water level sensor Optical type Alarm High Low temperature alarm CO2 density alarm Upper limit temperature alarm Door alarm UV lamp failure alarm Remote alarm contact Allowable contact capacity DC 30 V 2 A CO2 inlet connection 4 to 6 mm diameter tube CO2 inlet pressure 0 03MPaG 0 3kgf cm2 G 4 3psiG Accessories 4 trays 4 sets of tray support 1 ...

Страница 85: ...ad CO2 control range 0 to 20 CO2 variation 0 15 ambient temperature 25o C setting 37o C 5 no load Chamber humidity 95 5 R H Maximum heat emission 1120 kJ h Usable environment condition Temperature 5o C to 35o C Humidity equal or less than 80 R H The designed performance may not be obtained when the ambient temperature is equal or less than 15o C Note The unit with CE mark complies with EC directiv...

Страница 86: ......

Страница 87: ...JK1148 250B ...

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