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RoHS

This product does not contain any hazardous substances prohibited by the RoHS Directive.
(You will find ‘RSF’ mark near the rating plate on the RoHS compliant product.)

WARNING

* You are requested to use RoHS compliant parts for maintenance or repair.
* You are requested to use lead-free solder.

SM9910073

SANYO Electric Co., Ltd.

Biomedical Business Unit

Service Manual

Ultra-Low Temperature Freezer

MDF-U53V
MDF-U53VC

FILE No.

Содержание MDF-U53V

Страница 1: ...SF mark near the rating plate on the RoHS compliant product WARNING You are requested to use RoHS compliant parts for maintenance or repair You are requested to use lead free solder SM9910073 SANYO Electric Co Ltd Biomedical Business Unit Service Manual Ultra Low Temperature Freezer MDF U53V MDF U53VC FILE No ...

Страница 2: ...units are effective in this manual Model name Product code Voltage and Frequency MDF U53V 823 190 51 220V 50Hz 823 190 52 220V 60Hz 823 190 53 220V 60Hz 823 190 54 230 240V 50Hz 823 190 55 220V 50Hz MDF U53VC 823 190 80 220V 60Hz ...

Страница 3: ...cifications Dimensions 5 Refrigeration circuit 6 Refrigeration circuit welding points 7 Cooling unit parts 8 Components on PCB 9 Electrical parts 10 Specifications of sensor 11 Connections on PCB 12 Wiring diagram 13 Circuit diagram 15 Control specifications 16 Parts layout 25 Test data 27 Pull down data Pull up data H L EVA out data Unit pressure data Power consumption data Temperature uniformity...

Страница 4: ...yrs fan motor accumulating time 䋨BATTERY lamp is blinking䋩 Input code 419 in F06 to stop BATTERY lamp blinking You can see accumulation time in F32 Overload relay Overload relay Compressor protection 䊶H stage side compressor is ceased when it detects 70C higher than filter sensor temperature 䊶E10 and PV are displayed alternately 䋨Buzzer sounds and remote alarm terminal turns over䋩䊶 H stage side c...

Страница 5: ... 4pcs leveling leg 2pcs Monitoring hole 3places inner diameter ĳ17mm Refrigeration circuit Secondary cooling system Compressor High stage side Hermetic type Output 1100W Low stage side Hermetic type Output 1100W Evaporator High stage side Cascade condenser Low stage side Tube on sheet Sharing with interior Condenser High stage side Fin and Tube type Low stage side Cascade condenser Refrigerant Hig...

Страница 6: ...shed Freezer status monitor Abnormal low voltage When the power source voltage is 15 less than the rated voltage Abnormal ambient temperature When the ambient temperature is over 35 C or lower than 0 C Overloaded run When the running rate of compressor L is over 90 Control panel Lamps ALARM BATTERY STATUS DOOR FILTER Buzzer key BUZZER Alarm test key ALARM TEST Status key STATUS Set key SET Digit s...

Страница 7: ... range 50 C 86 C AT30 C no load Power source 220V 50Hz 220V 60Hz 230V 50Hz 240V 50Hz Rated power consumption 1020W 1180W 1070W 1150W Noise level 49 dB A background noise 20dB Maximum pressure 2600 kPa Usable conditions AT 5 C 30 C Humidity Less than 80 RH Design or specifications will be subject to change without notice ...

Страница 8: ...5 Dimensions ...

Страница 9: ...side L side Compressor H Pre condenser Frame pipe Pre condenser Condenser Dryer H Capillary tube H Compressor L Oil separator Capillary tube EX EX tank Heat exchanger Cascade condenser Capillary tube L Header Dryer L Evaporator ...

Страница 10: ...䌈䌏䌁䌈䌏䌏䌈䌏䌉㩷䌈䌏䌂䌌䌄䌄䌈䌏䌑䌈䌏䌐䌌䌏䌁䌌䌏䌏㩷䌌䌏䌉㩷䌌䌏䌂䌌䌄䌂䌈䌏䌓㩷䌈䌏䌒䌈䌓䌂䌈䌓䌁䌌䌒䌂䌌䌒䌁䌈䌃䌃䌈䌃䌂䌈䌃䌁䌏䌒㩷䌏䌏㩷䌏䌉㩷䌌䌋䌉㩷䌌䌋䌏䌔䋳㩷䌔䋲㩷䌔䋱㩷䌌䌓䋱䌌䌓䌂䌌䌓䌁䌌䌓䋳䌌䌂䌃㩷䌌䌂䌂䌌䌂䌁㩷䌌䌃䌃䌏䌒䋳䌏䌒䋲䌏䌒䋱䌌䌂䌚㩷䌌䌂䌙㩷䌅䌘䌏㪚㪉㩷㪚㪊㩷㪚㪋㩷㪚㪌㩷㪚㪍㩷㪚㪎㩷㪚㪏㩷㪚㪐㩷㪚㪈㪇㩷㪚㪈㪈㩷㪚㪈㪉㩷㪚㪈㪊㩷䌅䌘䌉㩷䌅㩷Ｄ䌆㩷 Compressor L Compressor H Ex tank L Condenser Dryer H Oil separator ...

Страница 11: ...pcs Coil pipe φ6 35mm Pre condenser W 250mm ʊ Frame pipe φ4 76mm ʊ Evaporator Type Cascade condenser Shell and tube φ80mm Tube on sheet φ9 52mm Capillary tube Ex capillary Resistance PSI kg cm2 94 PSI G 98 PSI G 34 PSI G Length 1800mm 1200mm 500mm Outer diameter φ2 0mm φ2 0mm φ2 4mm Inner diameter φ1 0mm φ0 9mm φ1 2mm Refrigerant R 407D Charged q ty 564g R 508 Charged q ty 260g Oil additive n Pent...

Страница 12: ...9 Components on PCB ...

Страница 13: ...1123T Contact capacity 20A 250VAC 20A 250VAC 20A 250VAC Coil 12VDC 12VDC 12VDC Parts code 624 173 2397 624 173 2397 624 173 2397 Switching power supply Type LDA10F 12 LDA10F 12 LDA10F 12 Rated output 12VDC 0 9A 12VDC 0 9A 12VDC 0 9A Parts code 624 226 2053 624 226 2053 624 226 2053 Temperature sensor Type SS 12 T SS 12 T SS 12 T Rating 1000㱅 1000㱅 1000㱅 AT sensor Type 502AT 502AT 502AT Rating 5K㱅 ...

Страница 14: ... 52 84 16 26 87 30 4 17 43 104 4 29 50 23 15 25 65 35 3 50 42 98 87 28 47 77 14 24 51 40 2 96 41 93 70 27 45 45 13 23 42 45 2 51 40 88 85 26 43 26 12 22 39 50 2 13 39 84 18 25 41 19 11 21 41 55 1 82 38 79 80 24 39 24 10 20 48 60 1 56 37 75 67 23 37 39 5 16 43 65 1 35 The following shows the temperature in thermal sensor PT1000ȍ and its resistance value Temp C Resistance Value Ω Temp C Resistance V...

Страница 15: ...mperature 12VDC To supply the power to Cap tube heater 12VDC CN5 1 5 Switch PCB 6 7 Buzzer To connect to each switch CN6 Display PCB To connect to each LED CN7 1 2 Door switch 5 6 AT sensor 7 8 Filter sensor 9 10 Cascade sensor To control the door switch To detect the ambient temperature To detect the temperature in condenser outlet pipe To detect the temperature in cascade CN8 1 2 Battery 1 6V 2 ...

Страница 16: ...13 㩷 Wiring Diagram 㩷 ...

Страница 17: ...14 ...

Страница 18: ...15 㩷 Circuit Diagram 㩷 ...

Страница 19: ...display press the key over 5 seconds to enter the function mode F00 is displayed 2 Temperature control Setting range 50㷄 90㷄 Display range 180㷄 50㷄 Setting procedure Press SET key and set the required value with key and key Press SET key to store the set value Out of setting range If you try to set the value which is out of temperature setting range it is unacceptable with buzzer beeps for 1second...

Страница 20: ...te alarm output does not turn off Low temp alarm When PV is reached at SV SVL low temp alarm SV 1 or lower ALARM lamp and LED display blinks intermittent buzzer beeps with approx 15 minutes of delay and remote alarm output turns on When PV is reached at SV SVL or lower ALARM lamp and LED display go off buzzer stops beeping and remote alarm output turns off If you press BUZZER key the buzzer stops ...

Страница 21: ...ning rate of refrigerating circuit is higher than usual When diagnose value of running rate is 95 or higher the display shows 3 Display on temperature indicator Status code displayed is changed every few seconds if two or three status shown at the same time order 1 㸢 2 㸢㩷 3 㸢 1 7 Function mode F00 Automatically revert to PV display F01 SVH high temp alarm SV setting F02 SVL low temp alarm SV setti...

Страница 22: ...displayed Operation Input F03 and press SET key to display alternately F03 with 00 0 in case battery used for a month or less Press SET key to revert to PV display F04 Purpose Door alarm delay time is set Operation Press SET key in F04 displayed to display 002 initial setting Change your desired value among 001 015 with key and key and press SET key to store the value and revert to PV display F05 ...

Страница 23: ...lter sensor Press SET key to revert to PV display F15 Purpose To display the temperature of AT sensor Operation Input service code in F06 prior to use this mode Input F15 and press SET key to display alternately F15 and XX X present temperature of AT sensor Press SET key to revert to PV display F16 Purpose Simply passing through if entered by mistake Operation Press SET key in F16 displayed to rev...

Страница 24: ...er 40min passed 050 Recovers after 50min passed 060 Recovers after 60min passed F26 Purpose Actual running rate is displayed unit Operation Service code should be input in F06 prior to use this mode Input F26 and press SET key to display alternately F26 with XXX present actual running rate Press SET key to revert to PV display F27 Purpose Calculated running rate is displayed Operation Service code...

Страница 25: ...the High stage compressor will be turned off When the filter sensor is within 10㷄 of the ambient temperature sensor the High stage compressor will be allowed to turn back on 12 Sensor failure 1 Temp sensor Open circuit E01 and 50㷄 are displayed alternately the buzzer beeps intermittently and remote alarm contact outputs The compressor would be allowed to turn on Press BUZZER key to stop the buzzer...

Страница 26: ... lower with E02 displayed short circuited Cascade sensor 60㷄 or lower with E03 displayed open circuited 60㷄 or higher with E04 displayed short circuited Filter sensor 60㷄 or lower with E05 displayed open circuited 130㷄 or higher with E06 displayed short circuited AT sensor 60㷄 or lower with E07 displayed open circuited 60㷄 or higher with E08 displayed short circuited Filter sensor 60㷄 or higher wi...

Страница 27: ...in filter alarm normal condition Lit In filter alarm Blinks In F11 performed DP54 Red lamp Goes off Inoperative Lit Inoperative Blinks In F11 performed DP55 Orange lamp Goes off Length of battery used is 2 8yrs or less normal condition Fan motor accumulation time is less than 5 6yrs Lit Length of battery used is 2 8yrs or over Blinks In F11 performed Fan motor accumulation time is equal or more th...

Страница 28: ...25 Control panel Latch Open Inner door handle Boost BOX MDF U53VC only Power transformer MDF U53VC only Parts layout Door latch Handle Fan motor Filter sensor ...

Страница 29: ...26 Grille Filter AT sensor Power switch Electrical BOX Remote alarm Main PCB Switching power supply Running capacitor H Starting capacitor H Running capacitor L Starting capacitor L 12P terminal ...

Страница 30: ... 㪄㪋㪇㪄㪉㪇㪇㪉㪇㪋㪇㪇㪌㪈㪇㪈㪌䌔䌩䌭䌥䋨䌨䌯䌵䌲䋩㪫㪼㫄㫄㫇㪼㫉㪸㫋㫌㫉㪼㩿㷄㪀㪧㫌㫃㫃㪄㪛㫆㫎㫅㪧㫌㫃㫃㪄㪬㫇㪘㪫㪤㪛㪝㪄㪬㪌㪊㪭㩷㪟㪆㪣㩷㪜㪭㪘㩷㪦㪬㪫㩷㪫㪼㫄㫇㪼㫉㪸㫋㫌㫉㪼㩷㫀㫅㩷㫇㫌㫃㫃㪄㪈㪇㪇㪄㪏㪇㪄㪍㪇㪄㪋㪇㪄㪉㪇㪇㪉㪇㪋㪇㪇㪌㪈㪇㪈㪌㪫㫀㫄㪼㩿㪿㫆㫌㫉㪀㪫㪼㫄㫇㪼㫉㪸㫋㫌㫉㪼㩿㷄㪀㪟㪜㪭㪘㪦㪬㪫䌌㪜㪭㪘㪦㪬㪫㪧㫌㫃㫃㪄㪛㫆㫎㫅㪘㪫㪘㪫㪧㫌㫃㫃㪄㪬㫇㪧㫌㫃㫃㪄㪛㫆㫎㫅㪘㪫㪟㩷㪜㪭㪘㩷㪦㪬㪫㪣㩷㪜㪭㪘㩷㪦㪬㪫㪧㫌㫃㫃㪄㪛㫆㫎㫅 ...

Страница 31: ...㪇㪈㪅㪌㪉㪅㪇㪉㪅㪌㪇㪊㪍㪐㪈㪉㪈㪌㪫㫀㫄㪼㩿㪿㫆㫌㫉㪀㪧㫉㪼㫊㫊㫌㫉㪼㩿㪤㪧㪸㪀㪍㪇㪟㫑㪃㪘㪫㪊㪌㷄㪤㪛㪝㪄㪬㪌㪊㪭㩷㪧㫆㫎㪼㫉㩷㪺㫆㫅㫊㫌㫄㫇㫋㫀㫆㫅㪇㪅㪇㪈㪅㪇㪉㪅㪇㪊㪅㪇㪋㪅㪇㪌㪅㪇㪍㪅㪇㪎㪅㪇㪏㪅㪇㪇㪊㪍㪐㪈㪉㪈㪌㪫㫀㫄㪼㩿㪿㫆㫌㫉㪀㪚㫌㫉㫉㪼㫅㫋㩿㪘㪀㪇㪅㪇㪇㪅㪌㪈㪅㪇㪈㪅㪌㪉㪅㪇㪉㪅㪌㪊㪅㪇㪧㫆㫎㪼㫉㩷㪺㫆㫅㫊㫌㫄㫇㫋㫀㫆㫅㩷㩿㫂㪮㪀㫂㪮㪘㪟㪄㫇㪻㪣㪄㫇㪻㪟㪄㫇㫊㪣㪄㫇㫊 ...

Страница 32: ...29 Temperature Uniformity 䊶䊶䊶 MDF U53V 䌾Reference䌾 Condition SV 80㷄 AT30㷄 Load No load Measuring point Center 䋪䋺1 2䌈䌡䌩䌲㪄㪎㪐㪅㪉㷄㪄㪏㪇㪅㪎㷄㪁㪄㪎㪐㪅㪐㷄㪄㪎㪎㪅㪉㷄㪄㪎㪍㪅㪊㷄 ...

Страница 33: ...s figure shows Bottom 500ml x 15bottles Lower 500ml x 15bottles Middle 500ml x 15bottles Upper 500ml x 15bottles Front view 500ml x 60bottles 30L in total 䌡䌢㪺䌤㪤㪛㪝㪄㪬㪌㪊㪭㩷㪪㪸㫄㫇㫃㪼㩷㫃㫆㪸㪻㩷㫋㪼㫊㫋㩷䋨㪪㪭㪄㪏㪇㪀㪄㪐㪇㪄㪎㪇㪄㪌㪇㪄㪊㪇㪄㪈㪇㪈㪇㪊㪇㪇㪍㪈㪉㪈㪏㪉㪋㪊㪇㪊㪍䌔䌩䌭䌥䋨䌨䌲䋩䌴䌥䌭䌰䋨㷄䋩㪟㪜㫍㪸㩷䌯䌵䌴䌌㪜㫍㪸㩷䌯䌵䌴㪣䌯䌡䌤䇭䌡㪣䌯䌡䌤䇭䌢㪣䌯䌡䌤䇭䌣㪣䌯䌡䌤䇭䌤 ...

Страница 34: ...㪇㪄㪏㪇㪄㪎㪇㪄㪍㪇㪄㪌㪇㪄㪋㪇㪄㪊㪇㪄㪉㪇㪇㪍㪇㪈㪉㪇㪈㪏㪇㪉㪋㪇㪊㪇㪇㪊㪍㪇 time min 㪫㪼㫄㫇㪅䋨㷄䋩䌬䌯䌡䌤䌤䌬䌯䌡䌤䌡䌬䌯䌡䌤䌢䌬䌯䌡䌤䌣 Leva out Heva out 㪤㪛㪝㪄㪬㪌㪊㪭 Sample load test SV 50 㪄㪐㪇㪄㪏㪇㪄㪎㪇㪄㪍㪇㪄㪌㪇㪄㪋㪇㪄㪊㪇㪄㪉㪇㪇㪉㪋㪍㪏㪈㪇䌔䌩䌭䌥䋨䌨䌲䋩㫋㪼㫄㫇䋨㷄䋩 Heva out Leva out 䌬䌯䌡䌤䌡䌬䌯䌡䌤䌤䌬䌯䌡䌤䌣䌬䌯䌡䌤䌢 ...

Страница 35: ...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 36: ...33 MDF U73V MDF U73VC MDF U53V MDF U53VC Ultra Low Temperature Freezer INSTRUCTION MANUAL MDF U73V MDF U73VC ...

Страница 37: ...P 16 REMOTE ALARM TERMINAL P 17 MONITOR OF FREEZER STATUS P 18 CHANGE OF COMPRESSOR DELAY TIME P 19 CHANGE OF DOOR ALARM DELAY TIME P 20 ALARMS SAFETY FUNCTIONS P 21 ROUTINE MAINTENANCE Cleaning of cabinet P 22 Cleaning of condenser filter P 22 Defrosting of inside wall P 23 TROUBLESHOOTING P 24 REPLACEMENT OF BATTERY P 25 DISPOSAL OF UNIT P 26 Recycle of battery P 26 TEMPERATURE RECORDER OPTION P...

Страница 38: ...nual in an adequate place to refer to it as necessary Ŷ The contents of the manual will be subjected to change without notice due to the improvement of performance or functions Ŷ Contact Sanyo sales representative or agent if any page of the manual is lost or page order is incorrect Ŷ Contact Sanyo sales representative or agent if any point in this manual is unclear or if there are any inaccuracie...

Страница 39: ...ymbol shows 㩷 this symbol means caution 㩷 this symbol means an action is prohibited 㩷 this symbol means an instruction must be followed Be sure to keep this manual in a place accessible to users of this unit Label on the unit This mark is labeled on the cover in which the electrical components of high voltage are enclosed to prevent the electric shock The cover should be removed by a qualified eng...

Страница 40: ...power supply outlet is not grounded it will be necessary to install a ground by qualified engineers Never 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 Connect the unit to a power source as indicated on the rating label attached to the unit Use of any other voltage or frequency other than t...

Страница 41: ...function Disconnect the power supply plug if there is something wrong with the unit Continued abnormal operation may cause electric shock or fire When removing the plug from the power supply outlet grip the power supply plug not the cord Pulling the cord may result in electric shock or fire by short circuit Disconnect the power supply plug before moving the unit Take care not to damage the power c...

Страница 42: ...ay cause a heat or ignition Never store corrosive substances such as acid or alkali in this unit if the container cannot be sealed These may cause corrosion of inner components or electric parts Check the setting when starting up of operation after power failure or turning off of power switch The stored items may be damaged due to the change of setting Be careful not to tip over the unit during mo...

Страница 43: ...humidity 80 for temperature up to 31o C decreasing linearly to 50 relative humidity at 40o C Ŷ Mains supply voltage fluctuations not to exceed 㫧10 of the nominal voltage Ŷ Other supply voltage fluctuations as stated by the manufacturer Ŷ Transient overvoltages according to Installation Categories Overvoltage Categories II For mains supply the minimum and normal category is II Ŷ Pollution degree 2 ...

Страница 44: ...41 8 FREEZER COMPONENTS 8 1 6 2 4 12 15 inside 14 5 3 11 9 10 7 5 inside 17 18 16 13 19 ...

Страница 45: ...nnot contact with the floor 10 Leveling foot The height of the freezer can be adjusted by this screw type foot Keep the unit in level at the installation 11 Fixture on back side 2 fixtures are provided as spacers between the cabinet and wall and also serve as hooks to fix the unit See page 12 Installation 12 Air intake vent grille Do not block this vent to keep the proper cooling performance 13 Po...

Страница 46: ...tal temperature indicator This indicator shows the present chamber temperature or set temperature 6 Alarm lamp ALARM This lamp is flashed during alarm condition 7 Alarm test key ALARM TEST To check the alarm system during freezer operation Pressing this key with the battery switch ON gets the alarm lamp to flash the remote alarm to operate and the buzzer to sound 8 Door check lamp DOOR This lamp l...

Страница 47: ...ong 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 injury from the unit tipping over 㩵 A location not prone to high humidity WARNING Do not use the unit outdoors Current leakage or ...

Страница 48: ...cloth 2 Adjust the leveling foot Extend the leveling feet by rotating them counterclockwise to contact them to the floor Ensure the unit is level Fig 1 3 Fix the unit Two fixtures are attached to the rear of the frame Fix the frame to the wall with these fixtures and rope or chain Fig 2 4 Ground earth WARNING Use a power supply outlet with ground earth to prevent electric shock If the power supply...

Страница 49: ...switch is ON 4 The audible alarm may activated In this case press the buzzer stop key BUZZER to silence the alarm 5 Set the desired chamber temperature See page 14 for the temperature setting 6 Check that the chamber temperature reaches the desired temperature 7 Turn on the switch of back up system optional component if it is installed 8 Check that the alarm lamp lights and the buzzer sounds by pr...

Страница 50: ...o the temperature display mode automatically when 90 seconds has passed without any key operation Although the value of the chamber temperature setting can range from 50o C to 90o C the guaranteed temperature when there is no load is 85o C when the ambient temperature is 30o C KEY LOCK FUNCTION This unit is provided with the key lock function When the key lock is ON change of temperature setting t...

Страница 51: ...it is flashed 3 Press numerical value shift key and scroll the figure to 1 The first digit is flashed 4 Press set key SET The first digit is flashed When pressed the figure of settable digit changes 5 Scroll the figure to 005 by using digit shift key and numerical value shift key When pressed the changeable digit moves 6 Press set key SET Alarm temperature is memorized and the current chamber temp...

Страница 52: ...ey and numerical value shift key When pressed the figure of settable digit changes 4 Press set key SET The current reset time is displayed The middle digit is flashed 5 Set the figure to 020 with the numerical value shift key When pressed the figure of settable digit changes 6 Press set key SET The setting is memorized and the current chamber temperature is displayed The settable alarm resume time...

Страница 53: ... alarm is outputted from this terminal Contact capacity is DC 30 V 2 A Contact output between COM and N O between COM and N C At normal Open Close At abnormal Close Open Note The alarm is actuated when the power cord is disconnected from the outlet or the power switch is OFF REMOTE ALARM N C COM N O MAX DC30V 2A ...

Страница 54: ...ess than approx 195V when the rated voltage is between 220 and 240V STATUS lamp lights 2 is displayed Abnormal heat at power supply outlet or degrade of starting performance of refrigerating circuit Use dedicated power source Notice of overload condition When the running rate of refrigerating Circuit is higher than usual STATUS lamp lights 3 is displayed Decrease of cooling performance or durabili...

Страница 55: ...e for delay time change from 2 minutes to 4 minutes Description of operation Key operated Indication after operation 1 The current chamber temperature is displayed 2 Press numerical value shift key for 5 seconds The first digit is flashed 3 Set the figure to F05 with the numerical value shift key When pressed the figure of settable digit changes 4 Press set key SET The current delay time is displa...

Страница 56: ...n of operation Key operated Indication after operation 1 The current chamber temperature is displayed 2 Press numerical value shift key for 5 seconds The first digit is flashed 3 Set the figure to F04 with the numerical value shift key When pressed the figure of settable digit changes 4 Press set key SET The current delay time is displayed The first digit is flashed 5 Set the figure to 003 with th...

Страница 57: ...ps continuous running If the thermal sensor is short circuited ALARM lamp is flashed E02 and chamber temp are displayed alternately Intermittent tone Remote alarm Unit keeps continuous running If the cascade sensor is disconnected ALARM lamp is flashed E03 and chamber temp are displayed alternately Intermittent tone Remote alarm If the cascade sensor is short circuited ALARM lamp is flashed E04 an...

Страница 58: ... accessories with a dry cloth 㩵 Never pour water onto or into the unit Doing so can damage the electric insulation and cause failure 㩵 The compressor and other mechanical part are completely sealed This unit requires absolutely no lubrication 㩵 There is a fan behind the compressor so be very careful if you stick your hand into this part of the unit Cleaning of condenser filter This unit is provide...

Страница 59: ...f the back up system if applicable 2 Take out and transfer all the contents to another freezer or a container which is refrigerated by liquid carbon dioxide or dry ice 3 Turn off the power switch of the freezer 4 Open the outer door and inner door Remove the inner door by lifting up as shown in the figure 5 Leave the freezer as it is 6 The water accumulated on the bottom of the chamber should be w...

Страница 60: ...nser filter is clogged Always clean the filter when the filter check lamp is lit 㩵 The door is not shut tightly 㩵 The inner door is not installed correctly 㩵 The set temperature in the controller is not set properly 㩵 The grille is blocked out 㩵 The filter is clogged 㩵 The freezer is in the direct sunlight 㩵 There is any heating source near the freezer 㩵 A rubber cap and insulation are not set cor...

Страница 61: ...o prevent the electric shock Removal of nickel metal hydride battery 1 Turn off the power switch and disconnect the power supply plug 2 As shown in the Fig 2 remove 4 screws fixing the side cover with a screw driver and remove the side cover 3 Remove 4 screws fixing the electrical box cover with a screw driver Fig 3 4 Disconnect the battery connector and remove 2 screws fixing the battery mounting...

Страница 62: ...he disposal of the unit should be accomplished by appropriate personnel Always remove doors to prevent accidents such as suffocation Recycle of battery The unit contains a rechargeable battery The battery is recyclable At the end of it s useful life check with you local solid officials option or proper disposal 䋪Label indication is obliged to comply with Taiwanese battery regulation ᑜ㔚ᳰ㩷 ᡴ㩷 ...

Страница 63: ...cts Please help us to conserve the environment we live in German Ihr SANYO Produkt wurde entworfen und hergestellt mit qualitativ hochwertigen Materialien und Komponenten die recycelt und wiederverwendet werden können Dieses Symbol bedeutet daß elektrische und elektronische Geräte am Ende ihrer Nutzungsdauer von Hausmüll getrennt entsorgt werden sollen Bitte entsorgen Sie dieses Gerät bei Ihrer ör...

Страница 64: ...minées de manière inappropriée peuvent s avérer potentiellement dangereuses pour la santé humaine et pour l environnement Cependant ces matières sont nécessaires au bon fonctionnement de votre appareil ou de votre machine Pour cette raison il vous est demandé de ne pas vous débarrasser de votre appareil ou machine usagé avec vos ordures ménagères Spanish Los productos SANYO están diseñados y fabri...

Страница 65: ... sistemas de recolha separados para produtos eléctricos e electrónicos usados Por favor ajude nos a conservar o ambiente em que vivemos Italian Il vostro prodotto SANYO è stato costruito da materiali e componenti di alta qualità che sono riutilizzabili o riciclabili Prodotti elettrici ed elettronici portando questo simbolo alla fine dell uso devono essere smaltiti separatamente dai rifiuti casalin...

Страница 66: ...he en elektronische apparatuur bij de daarvoor wettelijke instanties aangeboden Alstublieft help allen mee om het milieu te beschermen Swedish Din SANYO produkt är designad och tillverkad av material och komponenter med hög kvalitet som kan återvinnas och återanvändas Denna symbol betyder att elektriska och elektroniska produkter efter slutanvändande skall sorteras och lämnas separat från Ditt hus...

Страница 67: ...t side of the base compartment 5 Take out the recorder sensor from the guide pipe at the back side and pass the sensor to the chamber through the access port Fig 5 6 Attach the recorder sensor on the sensor cover with the enclosed clips Seal the sensor port with a silicon and replace the recorder sensor cover Fix the cover to the inside wall Fig 6 7 Remove the connector cover Connect the recorder ...

Страница 68: ...p system CVK UB2 which is available as an optional component For the installation refer to the instruction manual enclosed with the system 1 Switch of back up system BACKUP When turning on the system the lamp is brightened This means that the system is ready To stop the operation of the system turn off this switch 2 Test switch TEST This switch is for checking the operation of back up system Press...

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Sanyo MDF-U53V, Руководство по обслуживанию

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