OPERATING INSTRUCTIONS - cool-skk
Contents
1. Display of the current setting of all parameters only for service purposes e If one or several messages are to be displayed at the same time in one line these messages appear alternately on the display gt DOOR OPEN This message appears as soon as the door of the appliance is opened If the door is not closed again after a preset time an alarm is triggered This alarm is not entered in the history list The message or the alarm disappears as soon as the door is closed gt HISTORY This message indicates that a new entry has been made in the alarm history list The message disappears as soon as the history has been displayed once with the function SHOW HISTORY gt ALARM TEST gt AMBIENT C gt REG aC gt HEX C gt SERVICE gt HIGH AMBIENT TEMP gt LOW AMBIENT TEMP Alarm and error messages Appears during an alarm test The message disappears as soon as the test has finished If an ambient temperature sensor is connected to the appliance and the display in the EXTRA menu activated E EXTRA AMBIENT PROBE this message appears followed by the currently measured ambient temperature in the display If the display of the regulating sensor is activated in the EXTRA menu EXTRA ADD PROBE REGULATION this message appears followed by the currently measured control temperature in the display If a temperature sensor is connected to the heat exchanger and the2. red LED Alarm Display Key switch green LED Power Display temperature 82 0 e Before connecting the unit and switching it on for the first time allow it to stand for 30 minutes To prevent problems with other electrical equipment causing this unit to malfunction it should be connected to a separate circuit Never connect the unit to a single socket with other electrical equipment by means of a multi socket Make sure that the plug of the unit is easily accessible so that if need be it can be easily disconnected without having to move other equipment or furniture If the circuit breaker should have released try to switch on again If the problem persists please inform an electrical specialist or the customer service LEFT RIGHT UP DOWN buttons BACK button button button Mute button input voltage current time battery DOOR OPEN BATTERY FAIL status warning and alarm messages Switching on Check the setting of the circuit breaker see chapter Fuse Over current Release To switch the unit on turn the key switch in horizontal position The green power LED lights up Temperature Display During normal operation the display shows the internal temperature of the refrigerator The temperature unit is dependent on the setting TEMP UNIT in the SETTINGS menu C Celsius or F Fahrenheit Button functions Pressing the MENU button E give
3. is stopped gt FAILSAFE MODE Serious fault however the appliance continues to run in FAILSAFE mode i e the compressor switches on and off according to the set rhythm Use and Operation Important advise for storage e Avoid long door openings To prevent that the inner temperature rises to high during loading only one interior flap should be opened at a time e The air circulation at the inner walls must not be obstructed e The loading must not exceed the storage areas e Remove any frost or ice on container and door gasket regularly using the provided icescrapper e Make sure that the loading does not touch the reference bottle of the display sensor Alarm situations e On the occurrence of an alarm situation attempts must be made to find out the reason for the alarm and remove it as quickly as possible If that is not successful the necessary measures must immediately be taken so that the stored goods do not sustain any damage e Atatemperature alarm the red LED alarm lights up and an acoustic signal sounds In addition the corresponding alarm message appears on the display e Inthe case of a powerfail alarm the green power LED and the red LED alarm flash and an acoustic signal sounds The display is switched off but be Do not store warm items in the freezer Before being used the freezer must have reached the set point temperature Make sure that the door closes correctly and that the door gasket seals cor
4. is switched on As this heater impairs the refrigeration performance it should only be switched on if condensation appears on the cabinet frame in case of high air humidity The condenser liquefier must be regularly dusted with the aid of a hand brush or a vacuum cleaner This cleaning interval is set in the factory and is indicated by a SERVICE message on the display
5. units are not intended to be used for cooling of foodstuffs e Before using the unit read these operating instructions carefully including all the information on operating safety use and maintenance Safety e All installation work and adjustments to the unit must only be carried out by qualified personnel Work performed by persons with insufficient technical knowledge may adversely affect the performance of the unit or cause physical injury or damage to the equipment e The units must only be used by adults Do not allow children to play with the units or touch the controls e The inside of the unit and the stored products are very cold To protect against burning always wear gloves while working on it e All servicing and repairs must only be carried out by a qualified customer service engineer Only genuine spare parts must be used Transport e Check whether the unit has been delivered undamaged If you find that damage has occurred in transit immediately contact the delivery service or relevant sales outlet submitting the delivery note or proof of purchase Keep these operating instructions ready at hand and leave them with the machine so that all users can find out about the functions and safety regulations Ensure that there is sufficient room around the unit for air circulation Please refer to the installation information regarding this point Ensure that the connecting cable is not squeezed or bent when
6. 0 Dometic MEDICAL SYSTEMS UF 755 G UF 455 G OPERATING INSTRUCTIONS oo Safety Standard Dometic MEDICAL SYSTEMS Dometic S ar l op der Hei 17 L 9809 Hosingen Luxembourg CONTENTS page Important Information General _ A a a a E e a e a a 4 TnS DOLE lt a e a a 4 Environmental Protection _ aaa aaa A Installation Location 2 s Cleaning Disinfection 9 Electrical Connection __ aaa aa 6 Fuse Over current Release aaa 6 Electronics Fascia panel _ 6 Display 2 6 Switching On __________ 7 Temperature Display___ aaa 7 Button functions a 7 Setting the language _ se 7 The SETTINGS Menu aa 7 The EXTRA Menu 9 Status and Warning messages___ 10 Alarm and error messages __ 11 Use and Operation Important advise for storage _ 12 Alarm situations __ 12 Alarm History a 13 Rechargeable battery 13 External Alarmfunction aaa 13 Temperature recorder optional _ aaa aaa a 14 RS485 VCC Sa een 14 Cleaning 14 Frame heater 14 Important Information General e Ultra Deep Freezers of the UF series are designed to ensure the structure maintaining long term storage of valuable preparations at very low temperatures The
7. START Start date and time of alarm situation END End date and time of alarm situation AVG Average temperature on the display sensor during the alarm situations MAX MIN Maximum or minimum temperature value on the display sensor during the alarm situation depending on the type of temperature alarm gt Powerfail alarm ALARM POWERFAIL START Start date and time of alarm situation END End date and time of alarm situation AVG Average temperature on the display sensor during the alarm situations e To delete the alarm history select the function DELETE Rechargeable battery e The monitoring functions of the electronics during an interruption of the power supply for at least 48 hours are maintained by an integrated rechargeable battery o e This battery is automatically charged when the appliance is connected e Ifthe capacity of the battery is no longer sufficient to take over the control function the error message BAT 1 LOW FAIL appears on the display External Alarmfunction e There are two terminals with three floating contacts on the back of the unit that can be used to trigger an additional external alarm visual or audible e The upper contacts correspond to temperature and door alarm the lower contacts correspond to a powerfail alarm e Pressing the ENTER key in an alarm situation only switches off the internal audible alarm The key does not interfere with the external alarm The exte
8. alarm on Switching frame heater on and off see Chapter Frame heater This function is used for simulation a temperature alarm situation Pressing the ENTER button will launch the following alarm test cycle 1 Phased increase of the internal temperature until the upper alarm limit is reached Triggering of the temperature alarm 2 Phased reduction of the internal temperature until the lower alarm limit is reached Triggering of the temperature alarm The remote alarm function can be switched on and off for an alarm test With the aid of the built in RS485 interface several appliances can be networked with each other If this is the case every individual appliance must receive a separate communication address setting of 0 255 After the expiry of a given operating time a SERVICE message appears on the display to call attention to the fact that a regular maintenance is due The counter for this service time can be put back with this function This function is for cancelling the service message v USER PASSWORD gt CHANGE USER PASSWORD OXXX XXXX A v CALIBRATION gt CALIBRATION PASSWORD OXXX The EXTRA Menu Changing the password to access the SETTINGS MENU Enter the new password twice and confirm This function is for calibrating the sensors As each setting in the calibration compromises the function of the appliance this function is protected by a password in
9. display activated in the EXTRA menu E EXTRA ADD PROBE HEAT EXCH this message appears followed by the currently measured heat exchanger temperature on the display If the appliance has been running for a preset time this message appears on the display to indicate that a cleaning or maintenance procedure is required The message can be cancelled with the HIDE SERVICE WARNING function in the SETTINGS menu If an ambient temperature sensor is connected to the appliance and if this value rises above a given value this message appears on the display The appliance will however function normally The maximum value stored in the electronics depends on the temperature class of the appliance in question and cannot be changed analogous to HIGH AMBIENT TEMP however with minimum value e The following alarm messages can be generated by the electronics Refer to the chapter Alarm situations for further information gt DOOR OPEN gt HIGH ALARM gt LOW ALARM gt POWERFAIL see status message DOOR OPEN This alarm message appears as soon as the internal temperature exceeds the given upper alarm limit A temperature warn alarm is stored in the Alarm History The alarm message disappears as soon as the temperature reaches the upper alarm limit again This alarm message appears as soon as the internal temperature falls below the given lower alarm limit A temperature cold alarm is stored in the Alar
10. gram Cleaning Disinfection e Clean or disinfect the unit inside and outside before using it Use only gentle cleaning agents Never use aggressive or caustic cleaning agents scouring powder steel wool abrasive sponges or chemical solvents min 3 inches LZ min 3 inches ae n Pe foot For disinfecting we recommend all the surface disinfecting agents commonly used by the customer provided they are recommended by the German Association for Hygiene and Microbiology DGHM or other national organisations For disinfecting small areas we recommend using a concentrated alcoholic agent Electrical Connection The mains supply voltage of the unit must be 208 220V 10 60Hz 1200W Before connecting the unit check whether the details on the nameplate in the interior correspond to local values The unit must only be connected to an earthed socket Protection class I IP 22 The unit corresponds to category Il of IEC 60364 4 443 Fuse Over current Release The equipment is protected against over current by means of a circuit breaker located on the left back side of the equipment During normal operation a green lamp lights up inside the switch The equipment does not work if the circuit breaker has released or if it has been switched off Electronics Fascia panel
11. ible gas would cause the insulating foam to froth up Installation Location e The unit is intended for indoor use only It must be set up in a dry well ventilated place where no conductive pollution occurs POLLUTION DEGREE 1 e The altitude of the location must not exceed 10000ft e Avoid direct sunlight or locating it close to a heat source The ambient temperature of the location should be 41 F to 104 F The relative humidity must not exceed 70 up to 88 F decreasing linearly to 50 at 104 F e Ensure that the unit is steady and perfectly straight and does not knock against any of the units next to It e The air must be allowed to circulate freely all round the unit as good air circulation is essential for trouble free operation There must always be a free space of at least 3 inches all round the unit The clearance to the ceiling for upright units must be at least 20 inches e Do not locate the unit below a ceiling fan or right next to air conditioning equipment Net weigth without load UF455G 441 lbs UF755G 507 lbs e The unit is fitted with castors Once it is in its final location the feet must be unscrewed to immobilise it and stop it rolling away Unscrew the foot until it touches the floor and then screw the lock nut back up e The door handle has been turned by 90 at the factory end to facilitate packaging and transporting and should be turned during installation in accordance with the dia
12. m History The alarm message disappears as soon as the temperature reaches the lower alarm limit again This message appears if the power supply is interrupted with the appliance switched on A power failure alarm is stored in the alarm history The alarm message disappears as soon as the power supply is restored e If one of the following error messages appears on the display a fault or a malfunction has occurred and the affected component must be repaired or replaced by the service staff 11 gt BAT LOW FAIL This message appears if the internal main battery is faulty or flat At the same time the battery symbol also appears on the display gt BAT 2 LOW FAIL This message appears if the optional additional battery is faulty or flat At the same time the battery symbol also appears on the display gt SENS REG FAIL Failure of the control sensor The appliance continues to run in FAILSAFE mode gt SENS DIS FAIL Failure of the display sensor In this case the display function is taken over by the control sensor gt SENS H EX FAIL Failure of the temperature sensor on the heat exchanger gt SENS AMB FAIL Failure of the ambient temperature sensor gt E1 CFGERROR Configuration fault Fault in the parameter setting The appliance does not start gt 2 Electronics fault The function of the appliance is stopped gt COM ERROR No communication between interface and mainboard The function of the appliance
13. rectly against the container For optimum performance it is recommended to switch off defrost and restart the unit at least once a year In case of heavy duty i e frequent daily door openings repeat this procedure several times a year temporarly switched on again by pressing any key After a given time setting EXTRA DISPLAY BACKL TIMEOUT the display switches off again The acoustic alarm can be suppressed for a set time by pressing the ENTER button During a powerfail phase no parameters can be changed If the internal temperature rises above the upper limit during a powerfail phase a temperature alarm is triggered and entered into the History list In the case of a door alarm the red LED lights up and an acoustic signal sounds In addition the corresponding alarm message appears on the display Alarm History e The alarm history list contains all relevant data on temperature and powerfail events The list contains up to 20 alarm situations e The status message HISTORY indicates that new entries have been made in the list e The following information is stored in the Alarm History gt Temperature alarm The alarm history list can be accessed via the SHOW HISTORY function in the EXTRA menu Within the list you navigate by means of the UP and DOWN buttons The first and last entry in the list are marked BEGIN OF LIST and END OF LIST ALARM type of alarm HIGH ALARM or LOW ALARM
14. rnal alarm signal is only switched off once the cause of the alarm has been eliminated e A voltage of between 12V DC and a maximum of 250V AC can be connected at the contacts The maximum load must not exceed 8A The minimum power rating is 100mA 5V HISTORY from the EXTRA menu At the first starting up it may happen that the message BAT 1 LOW FAI appears The message will disappear as soon as the battery is charged The battery should be pre emptively replaced every 2 years This replacement must only be carried out by a recognised service technician Before dismantling the battery the appliance must be switched off and the plug pulled out The battery is a lead acid storage battery that must be disposed of separately in the case of a fault TEMPERATURE ALARM POWERFAIL ALARM DOOR ALARM Resting state Resting state 13 Temperature recorder optional e The recorder is used to record the temperature response over a certain period This period can either be set to 7 days preset or 24 hours as required To change the setting proceed as follows raise the lever with the recording stylus and take the lock nut off the recorder axis You can now remove the recorder disk Now pull the recorder axis to remove the assembly from the housing The switch with which to set the required time period is located on the side of the assembly e The disks for the two time periods are different Make sure that you insert the correc
15. s you access to the menu area Choose the respective menu using the UP and DOWN keys The selection is confirmed with the ENTER button Press the BACK key to return to the previous screen or menu Navigation within the menus and changing of the settings are done using the UP DOWN A LEFT lt und RIGHT P keys Setting the language e The factory language setting of the electronics is ENGLISH To convert to another language proceed as follows The SETTINGS Menu e After the self test the temperature inside the refrigerator is displayed e The compressor will only switch on a certain time after the self test e The display is carried out in steps of 0 1 or 1 depending on the setting RESOLUTION in the SETTINGS menu e Use the ENTER key to confirm the actual selection This applies both for menu selection and for parameter value The change of a parameter only becomes effective when confirmed with the ENTER key e In the case of an alarm the acoustic alarm can be switched off for a specified time with the mute button In Menu mode the mute button is out of function press the MENU key v select EXTRA v LANGUAGE v select your language e The parameters contained in the SETTINGS menu partially intervene in the function of the appliance Access to the SETTINGS menu can therefore be protected by a password It is recommended to use this protection to limi
16. t access to the parameters press the MENU key gt select SETTINGS lt lt gt USER PASSWORD OXXX v SETPOINT gt SET X X C In the factory setting this password is set to the value 0000 so that by pressing the button you get directly into the SETTINGS menu The temperature set point is the set temperature of the refrigerator The set point can be altered between the prescribed limit values in stages of 0 5 K DATE TIME gt SET DATE TIME gt HH MM dd MMM yy v SELECT 12h 24H gt 12h DISPLAY AV 24h DISPLAY ALARMS gt SETLOW ALARM gt LOW ALARM XX C v SET HIGH ALARM gt HIGH ALARM XX C v REMOTE DOOR ALARM gt REMOTE DOOR ALARM ENABLE 0 av 1 FRAME HEATER gt FRAME HEATER OFF aw ON ALARM TEST gt ALARM TEST ACTIVATION gt ALARM TEST v REMOTE ACTIVATION gt REMOTE OFF av ON COMM ADDRESS gt COMM ADDR 0 av 255 SERVICE gt RESETSERVICETIME gt RESETCOUNTER gt YES aw NO 4 v HIDE SERVICE WARNING Setting current time and date Changing between 12 hour and 24 hour display The lowest admissible internal temperature If the temperature falls below this value a temperature alarm is triggered The highest admissible internal temperature If the temperature exceeds this value a temperature alarm is triggered Activation of the remote alarm on opening door O remote alarm off 1 remote
17. t disk e The clockwork for the recorder is powered by a 1 5V AA battery This is located on the underside of the recorder assembly e To replace the stylus take the old stylus out of the stylus retainer and push the new one into the guides until it stops Be careful not to touch the stylus with your fingers e When re assembling make sure that the lock nut is sited correctly RS485 Interface e The unit is equiped with an RS485 interface You can use this interface to connect the unit to a PC or to network it to other refrigerating equipment e For information about connection options and software contact your local service centre Cleaning e The refrigerator should be cleaned and if necessary disinfected before you use it for the first time and then at regular intervals thereafter Frame heater e The units are fitted with a frame heater This can optionally be switched on or off via the function Frame heater in the SETTINGS menu Machine Compartment IMPORTANT Before carrying out any maintenance or cleaning work in the machine compartment always switch off the unit and remove the plug from the mains LINE OUT Only use gentle cleaning agents Never use aggressive or caustic cleaning agents scouring powder steel wool abrasive sponges or chemical solvents Before restarting the unit after cleaning the interior must be thoroughly dried The frame heater symbol shows that the heater
18. the button during a power failure 100 approx 10 Sec 50 approx 5 Sec see chapter Alarm situations v VOLTAGE IND gt LINE VOLTAGE aw NONE v AMBIENT PROBE gt AMBIENT aw NONE v ADD PROBE gt NONE v REGULATION v HEAT EXCH v RESOLUTION gt RES 0 1 av 1 v TEMPUNIT gt CELSIUS aw FAHRENHEIT v LANGUAGE ENGLISH GERMAN FRENCH DUTCH ITALIAN SPANISH PORTUGUESE DANISH SWEDISH NORWEGIAN FINNISH MALAYSIAN RUSSIAN qdddddddddd lt dv v DIAGNOSTICS v PARAMETERS 4 Status and Warning messages e The electronics generate various status or warning messages depending on the setting or the condition of the appliance Shows the input voltage of the appliance on the display If an ambient temperature sensor is connected to the appliance the temperature measured by this sensor can be indicated on the display Enables the additional display of the temperature values of one of the following sensors if connected No value is displayed The value of the regulation sensor is displayed The value of the sensor on the heat exchanger is displayed Setting the resolution of the temperature display The temperature can be displayed with or without decimal place Display of the temperature value in Celsius or in Fahrenheit Changing the menu language Display of the current status of the appliance only for service purposes
19. the factory and must only be used by trained service staff Enter the password to the calibration menu The EXTRA menu only contains parameters without influence on the function of the appliance and are therefore accessible for any use without a password press the MENU key v select EXTRA gt HISTORY gt SHOW HISTORY v DELETE HISTORY gt DELETE HISTORY NO aw YES v BUZZER gt VOLUME gt BUZZER VOLUME av v MUTETIME gt MUTETIME 0 av 60 v DISPLAY gt BRIGHTNESS gt DISPLAY BRIGHTNESS EE v CONTRAST gt DISPLAY CONTRAST M v POS NEG gt POSITIVE av NEGATIVE v BACKL TIMEOUT gt TIME OUT 0 av 127 see chapter Alarm history for further details Display for alarm situations With the aid of the UP and DOWN buttons you can scroll down the list YES deletes the entire history data Setting the volume of the acoustic alarm signal On the occurrence of an alarm the acoustic signal can be switched off for a given time by activating the ENTER button The given time is determined by this parameter It can be changed from 0 to 60 minutes in stages of1I minute Setting the parameters for the display Setting the brightness with the lt and P keys Setting the contrast with the lt and P keys Changing the display from positive blue white to negative display white blue Duration of the display indication on pressing
20. the unit is being installed or moved Before cleaning or carrying out maintenance work always switch the machine off and disconnect the mains plug Always pull the plug and never the cable If the plug is not accessible switch off at the safety device The unit s cooling system contains refrigerant Both the unit and the products stored inside can be severely damaged if this system starts to leak Make sure therefore that no sharp or pointed objects come into contact with the cooling system The sound intensity level produced by the equipment is lower than 70 dBA measured ina distance of 1 meter Do not operate a unit that has been damaged in transit If you are unsure contact your sales outlet and ask them The unit must be transported in an upright position only maximum inclination 45 Follow the instructions for transport and storage of the product marked on the packing min 20 C max 60 C Environmental Protection e Make your contribution to saving the environment Bear in mind that orderly and proper disposal is required Packaging materials and devices are always recyclable and should be taken for recycling e Before scrapping an old unit remove the door so that children cannot lock themselves inside while playing Before scrapping the unit arrange for the lead accumulator to be removed and disposed of separately When disposing of the unit make sure that it does not get too hot as combust
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