OT 020 - Frank`s Hospital Workshop
Contents
1. N VE SANAY MALZEMELER MALAT VE T CARET A OT 020 BENCH TOP STEAM STERILIZER USER S MANUAL CE N VE SANAY MALZEMELER MALAT VE T CARET A Esenbo a Yolu 22 km Akyurt ANKARA TURKEY Tel 00 90 312 399 28 30 3 lines Fax 00 90 312 399 21 97 e mail sales nuve com tr WARRANTY CERTIFICATE N ve warrants that the equipment delivered is free from defects in material and workmanship This warranty is provided for a period of two years The warranty period starts from the delivery date Warranty does not apply to parts normally consumed in operation current maintenance and the adjustments described in the operating instructions provided with the equipment N ve does not accept any liability in the case where the goods are not used in accordance with their proper intent The warranty may not be claimed for damages incurred during the shipment for damages resulting from improper handling or use the defects in maintenance negligence bad functioning of auxiliary equipment in the case of force majeure or accident and incorrect power supply In the event of failure N ve shall be under no liability for any injury or any loss or damage as the result of the failure other than the guarantee conditions BEFORE OPERATING THE INSTRUMENT THIS MANUAL SHOULD BE READ CAREFULLY INFORMATION CONTAINED IN THIS DOCUMENT IS THE PROPERTY OF N VE IT MAY NOT BE DUPLICATED OR DISTRIBUTED WITHOU2. Value Increase Key This key is pushed to increase the programming values Water Filling Led This led is on while the chamber is being filled with water autmatically Preparation Led This led is on until the set temperature is reached The sterilization does not start while this led is on Sterilization Led This led is on while sterilization phase is being carried out The led turns off automatically as the sterilization phase ends according to programmed sterilization time Steam Discharge Led This led turns on when the steam in the sterilization chamber starts to be discharged The drying led accompanies this led for the last three minutes of the discharge cycle Drying Led This led turns on while the drying cycle is being carried out Cycle Ended Led This led turns on to show that the cycle is completed Start Key and Led This button is pushed to start the program Stop Key and Led This button is pushed to stop the program manually Audible Alarm Mute Button This button is pushed to mute the audible alarms and to cancel the alarm codes to turn off Cycle Ended led to turn back the sterilizer to the stand by position from OFF position which occurs after the power cut Lid Open Led This led is on when the sterilization chamber lid is open or if it is not closed properly The program doesn t start until the lid is properly closed 10 17 Overpressure Led This led is on when the sterilizati
3. CLEANING AND PERIODICAL MAINTENANCE 5 1 Periodical Maintenance Replace the sterilization chamber lid gasket once a year Please contact to the authorized technical service of Nuve for this replacement Change the distilled water in the water tank once a week See the figure below 5 2 Cleaning e Daily cleaning process is required Wipe the sterilization chamber gasket and inner surface with a damp cloth You may use soft liquid soap against difficult dirt and dust e Check the chamber before every use Make the necessary cleaning if needed e Be aware of the adverse effects of the chemicals cleaners and be careful while using them en i N Figure 5 6 TROUBLESHOOTING The steam sterilizer fails to operate check that the on off svvitch is on the mains supply is present the plug is plugged in properly the plug is not defective the fuse of the installation on vvhich the plug is mounted is not defective the fuses of the instrument are sound The steam sterilizer does not heat check the followings e The sterilization temperature is set e The program is started If the pressure does not rise check that e the safety valve is not open Error Codes H01 Thermocouple endings are broken H02 There is an electronic fault H03 Sterilization chamber temperature has exceeded 141 C H04 Thermocouple endings are connected in reverse H06 VVater can not be filled into the sterilization ch
4. Control panel Distilled water filling line Safety valve Figure 2 10 Power supply inlet with fuse 11 On Off switch Fuses 12 Water discharge hose with connector Figure 5 3 INSTALLATION PROCEDURE 3 1 Lifting And Transport Because of the heavy vveight of the instrument all lifting and transport must be carried out by using proper handling equipment The instrument must be supported from underneath and never be turned over 3 2 Contents Of The Package The package includes 1 piece of user s manual 1 piece of povver cable 1 piece of vvater discharge hose vvith connector 2 pieces of shelves 2 pieces of flywheel arms 3 3 Mains Supply The steam sterilizer requires 230 V 50 Hz Please make sure that the supplied mains matches the required power ratings f not please provide an extra line to support Always plug in the steam sterilizer to correctly grounded sockets A supply fitted with a circuit breaker should be used for protection against short circuit in case of a isolation fault 3 4 Environmental Conditions This steam sterilizer is designed to operate safely under the following conditions Indoor use only Ambient temperature 5 to 40 C Maximum relative humidity of 80 for temperature up to 22 C Maximum altitude 2000 m Temperature for maximum performance 15 C 25 C 3 5 Positioning Check that no damage has occurred during transport Check that the
5. T HIS PERMISSION THE VALIDITY OF THE GUARANTEE IS SUBJECT TO THE OBSERVATION OF THE INSTRUCTIONS AND PRECAUTIONS DESCRIBED IN THIS MANUAL CONTENTS SECTION 1 USE AND FUNCTION SECTION 2 TECHNICAL SPECIFICATIONS 2 1 Technical Specifications Table 2 2 General View SECTION 3 INSTALLATION PROCEDURE 3 1 Lifting and Transport 3 2 Contents of the Package 3 3 Mains Supply 3 4 Environmental Conditions 3 5 Positioning 3 6 Preparation to Sterilization 3 6 1 Filling in Distilled Water SECTION 4 OPERATION 4 1 Operation 4 2 Control Panel 4 3 Programming 4 4 Microprocessor Set and Operation Cycles Explanations SECTION 5 CLEANING AND PERIODICAL MAINTENANCE 5 1 Periodical Maintenance 5 2 Cleaning SECTION 6 TROUBLESHOOTING Explanations of Error Codes SECTION 7 ELECTRICAL CIRCUIT DIAGRAM Page NN NO O O 11 11 11 12 13 1 USE AND FUNCTION OT 020 steam sterilizer is designed for the sterilization of unvvrapped medical or dental instruments and materials used in laboratories vvith pressurized steam The OT 020 steam sterilizer heats up to the temperatures between 110 C and 140 C and generates pressurised steam at the same temperatures according to the Pressurized Vessel Principle The pressurised steam is used to sterilize the samples Homogeneous temperature distribution is ensured by means of stainless steel pipe heater in the chamber All parts which are exposed to steam and wat
6. amber H07 The temperature does not rise OFF In case of a power cut during the run this error message is displayed the program is cancelled the instrument passes to the discharging process since the sterilization cycle is interrupted and the sterilization is invalid Please contact to an authorized NUVE service in any case of error 7 ELECTRICAL CIRCUIT DIAGRAM 14
7. er are made of stainless materials Apart from the safety features of the programmable microprocessor control system such as over pressure and over temperature control there are safety thermostat and safety valve to ensure safe working conditions Do not operate the steam sterilizer for purposes other than main purpose Do not operate the steam sterilizer for purposes other than main purpose The steam sterilizer is only to be used by authorized people after the user s manual has been read carefully Only technical personnel can handle the product in case of any failure 2 TECHNICAL SPECIFICATIONS 2 1 Technical Specifications Table TECHNICAL SPECIFICATIONS Temperature Range Temperature Sensor Control System Temperature Set and Reading Sensitivity Sterilization Timer Safety System Power Supply Power Consumption Useful Volume Number of Shelves standard maximum Internal Material External Material Internal Dimensions x D mm External Dimensions W x D x H mm Packing Dimensions WxDxH mm Net Packing Weight kg OT 020 110 C 140 Fe Const Programmable Microprocessor 1 C 1 99 minutes 3 Kg cm safety valve 230 V 50 Hz 1500 W 20 It 2 5 Stainless Steel Epoxy polyester Painted Steel 265 x 355 535 x 615 x 500 635 x 635 x 565 60 70 Kg 2 2 General Vievv v E Figure 1 Lid locking arms Lid Sterilization chamber lid Shelf carrier Water tank discharge tap Manometer
8. eration of the Sterilization Cycle A sterilization eycle consists of the follovving phases in theOT020 steam sterilizer VVater Filling Distilled vvater in the vvater tank is pumped into the sterilization chamber Preparation The distilled vvater taken from the vvater tank is heated up to the set temperature The unsaturated steam the mixture vvhich includes vvater and steam together which is generated during heating goes back to the water tank in the form of vvater periodically 11 Sterilization The sterilization chamber temperature is kept at the set temperature Unsaturated steam is discharged to the water tank periodically during this cycle Steam Discharge The steam in the chamber is discharged automatically when the sterilization time is over and continues until the chamber pressure drops to zero Drying This phase starts last three minutes of discharge cycle This cycle ensures that the samples are taken out dry after the sterilization operation Cycle Ended The Cycle Ended led turns on and the lid lock is released at the end of the sterilization cycle Turn the flywheel to the counter clock wise direction open the lid and take your samples out PLEASE SEE THAT THE STERILIZATION CHAMBER MANOMETER SHOWS ZERO NO PRESSURE BEFORE YOU ATTEMPT TO OPEN THE LID IF THE MANOMETER SHOWS A VALUE OTHER THAN ZERO OPEN THE SAFETY VALVE AND DISCHARGE THE STEAM INSIDE THE STERILIZATION CHAMBER AND THEN OPEN THE LID 5
9. on chamber pressure exceeds the safety limits The heating is stopped immediately Please contact to an authorized technical assistance of Nuve 18 MAX WATER LEVEL led This led is on when the water level in the tank is at the maximum level At that time the filling should be stopped Please do not continue filling in vvater after this led has turned on 19 MIN WATER LEVEL Led This led is on when the water in the tank is not sufficient to carry out sterilization If this led is on before the program starts the instrument does not operate until the tank is filled with enough distilled water if it is on after the program starts the instrument continues to operate but the vvater in the tank is not enough for the next sterilization See 3 6 1 for detailed vvater filling information 20 Sterilization Chamber Manometer This manometer shovvs the pressure in the sterilization chamber 4 3 Programming To set the temperature e Push TEMP SET key and see that the green led on the key turns on e Set the sterilization temperature by pushing VALUE INCREASE or VALUE DECREASE keys e Push TEMP SET key again to save the set value To set the time e Push TIME SET key and see the green led on the button turns on e Set the sterilization temperature by pushing VALUE INCREASE or VALUE DECREASE keys e Push TIME SET keys again to save the set value Make sure that you have entered correct set points before you start the sterilizer 4 4 Op
10. positioning is suitable for users Lift the steam sterilizer use proper handling equipment if necessary and carry it to its place Check that the steam sterilizer is stable on its four pads Check that the user is enable to follow up the sterilization even he deals with something else Leave enough free space on each side of the steam sterilizer Make sure that the sterilizer does not do harm to nearby equipment Open the lid and check that no substance has been left in the sterilization chamber 3 6 Preparation to Sterilization 3 6 1 Filling In Distilled Water Switch on the steam sterilizer If the low water warning led is on fill in some water the volume of the water tank is 5 liters until the MAX WATER LEVEL led turns on Fill the water with the help of a funnel See Figure 3 Please use only DISTILLED WATER never use tap water Any type of water except distilled water may cause expensive and sometimes irreversible damages on the heaters and this case is granted as the failure of proper use Do not continue filling in water after the MAX WATER LEVEL has turned on Figure 3 4 OPERATION 4 1 Operating the Steam Sterilizer Switch on the steam sterilizer See that the control panel activates Add water if MIN WATER LEVEL led is on See section 3 6 Open the lid by turning the flywheel arms on the counter clockwise direction and remove the substances left in the chamber if any exist e Load your samples with app
11. ropriate sterilization containers obeying the loading conditions close the lid and tighten it on the clockwise direction until the LID OPEN led turns off Do not load samples which can overflow or get deformed during the sterilization Be sure that the safety valve is closed turn it on the counter clockwise direction and hear the closing click the program see section 4 3 and start it e Use sterilization indicator for validation of the sterilization 4 2 Control Panel WATER LEVEL MAX WATER LEVEL E 20 0 mb 02 03 04 05 06 07 08 09 10 1 mb 1 N 13 14 15 16 Temperature Display C This is the display where the sterilization chamber temperature and the temperature set values are shown on It displays the set value during programming and the sterilization chamber temperature any time during the run Time Display This is the display where the sterilization time is counted down after the set temperature has been reached t also displays the set value during programming Temperature Set Key This key is used to set the sterilization temperature t is also used to check the set value of temperature during the operation Time Set Key The key is used to set the sterilization time t is also used to check the set value of time during the operation Value Decrease Key This key is pushed to decrease the programming values
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