Sanyo MDF-C8V Service Manual Download Page 73

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SPECIFICATIONS

Name

Ultra-Low Temperature Freezer

Model

MDF-C8V

External dimensions

W550 x D685 (+83)* x H945 (mm)

Internal dimensions

W405 x D490 x H425 (mm)

Effective capacity

84 L

Exterior

Painted steel

Interior

Painted steel

Door Painted

steel

Access port

Diameter 17 mm, back side, bottom

Insulation

Cabinet; Rigid polyurethane foamed-in place and VIP(vacuum insulation panel)

Door; Rigid polyurethane foamed-in place

Compressor

Hermetic rotary type, 400 W

Evaporator

Tube on sheet type (also used as a inner cabinet)

Condenser

Finless tube type

Refrigerant

HFC mixed refrigerant

Temperature controller

Microcomputer control system

Temperature display

Digital display (setting range; between -55

C and -85

Temperature sensor

Platinum resistance (Pt 1000

)

Temperature alarm

High temp. alarm, Low temp. alarm, Remote alarm, Battery check

Remote alarm contact

Allowable contact capacity: DC 30 V, 2 A

Battery

Nickel-metal-hydride battery, DC 6 V, 1100 mAh, Automatic charge

Weight

64 kg

Accessories

1 set of key, 1 scraper

Optional component

Automatic temperature recorder (MTR-85H, MTR-G85)

Mounting kit for automatic temperature recorder MTR-85H (MDF-S3085)

Recorder sensor cover (MTR-C8)

Back-up system (CVK-UB4), Back-up mounting plate (MDF-UBK)

Inventory rack (IR-207C, IR-305C)

Note

Design or specifications will be subject to change without notice.

* The value in the parenthesis means the dimension of projected area.

The battery for power failure alarm is an article for consumption. It is recommended that the battery will

be replaced about every 3 years.

Summary of Contents for MDF-C8V

Page 1: ...V FILE No 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 ...

Page 2: ...Effective models This service manual is effective following models Model name Product code Voltage and Frequency MDF C8V 823 187 51 115V 60Hz 823 187 52 220 230 240V 50Hz ...

Page 3: ... i on a n d c u rr e nt i n p u t C ol l ec t i o n an d c h a rg e of r ef ri ge r a nt 30 I ns t ruc t i o n m an u al 32 O p e ra t i on al s p ec i f i c at i o n of c on d e ns i ng f a n m o t o r When am bi ent tem perat ure i s lower t han 20 㷄 c on d e ns i ng f a n m ot o r acti vat es wit h 30 m in of del a y at l eas t aft er the unit st arts runni n g When am bi ent tem perat ure i s ...

Page 4: ...ectable high temperature alarm Setting temperature can be kept by remote alarm terminal and non volatile memory 䂓㩷 Easy maintenance Filter less cooling circuit made clean up unnecessary 䂓㩷 Environmental friendly HFC mixed refrigerant R245fa R600 R23 and R14 HC foaming insulation 䂓㩷 Optional component Automatic temperature recorder MTR G85 MTR 85H Recorder mounting kit MDF S3085 for MTR 85H Recorde...

Page 5: ...also used as a latch Caster 4pc 2 leveling foot Access port φ17mm back side bottom Compressor Hermetic rotary type 400W Evaporator Tube on sheet type also used as a inner cabinet Condenser Finless tube type Refrigerant HFC mixed refrigerant R245fa R600 R23 R14 Refrigerant oil Ze NIUS32SA Power supply Local voltage Weight 64 kg Accessory 1 set of key 1 scraper Optional component Automatic temperatu...

Page 6: ...er failure not linked with buzzer Filter None Power failure ALARM lamp blinks with intermittent buzzer beeps remote alarm outputs Remote alarm 3P remote alarm terminal Maximum 30VDC 2A NC COM NO COM Outputs during temperature alarm and power failure alarm Alarm Battery BATTERY lamp is lit Accumulating period 2 8 years Control panel Lamp ALARM BATTERY BUZZER Buzzer key ALARM TEST Alarm test key SET...

Page 7: ...80 ambient temperature 30 no load Rated voltage AC110V AC115V AC220V AC230V AC240V AC220V Rated frequency 60Hz 60Hz 50Hz 50Hz 50Hz 60Hz Rated power consumption 295W 300W 310W 325W 350W 310W Noise level 49 dB A background noise 20 dB Maximum pressure 3 7 MPa Note Specifications will be subject to change without notice ...

Page 8: ...5 Dimensions 405 490 R 2 5 550 58 852 945 425 887 35 727 685 33 㧨 8㧪 ...

Page 9: ...6 Refrigeration circuit diagram ...

Page 10: ...䋱䌅䌘䌏䌅䌘䌉䌐䋲䌐䋳䌐䋱䌔䋲䌔䋳䌔䌚㩷䌔䌙㩷 Ex tank Ex capillary Place to fit AT sensor 㪚㪈㩷䌆䌂䌆䌁㪚㪉㩷㪚㪊㩷㪚㪋㩷㪚㪌㩷㪚㪍㩷㪚㪎㩷㪚㪈㪋㩷㪚㪈㪌㩷㪚㪏㩷㪚㪐㩷㪚㪈㪇㩷㪚㪈㪈㩷㪚㪈㪉㩷㪚㪈㪊㩷㪚㪉㪈㩷㪚㪈㪎㩷㪚㪈㪍㩷㪚㪈㪐㩷㪚㪈㪏㩷㪚㪉㪇㩷㪚㪉㪉㩷㪚㪉㪊㩷䌃䌁㩷䌄䌚㩷䌄䌏䌄䌉㩷䌁䌉䌁䌏䌇䌉䌇䌏䌃䌉㪚㪉㪋 Place to fit AT sensor ...

Page 11: ...mns x 2 lines Coil pipe W200 mm x 8 columns Pre condenser 7 columns x 1 line P290 mm ʊ Frame pipe φ4 76 x T0 7 mm ʊ Evaporator Type φ7 94 x T0 7 mm Tube on sheet also used as interior Capillary tube φ1 2 Resistance PSI kg cm2 0 59 MpaG Length mm 2000 Outer diameter mm φ1 8 Refrigerant HFC mixed refrigerant MU N48 EU DOT Charged q ty 375 8 g Dryer Dry core D SM032T Charged q ty 35g Condensing fan φ...

Page 12: ...9 Components on PCB ...

Page 13: ...D041N5P Rating 115V 4P 230V 4P Parts code 624 225 1712 624 227 3554 Temp control relay Type G4F 11123T G4F 11123T Contact capacity 20A 12VDC 20A 12VDC Parts code 624 173 2397 624 173 2397 Fan relay Type G2R 1A T G2R 1A T Contact capacity 12V 10A 250V 12V 10A 250V Coil 12VDC 12VDC Parts code 624 188 9299 624 188 9299 Switching power supply Type ZWS10 12 J ZWS10 12 J Rated output 12VDC 0 85A 12VDC 0...

Page 14: ...ture Resistance ȍ Temperature Resistance ȍ 170 160 150 140 130 120 110 100 90 80 70 60 50 40 326 92 368 57 409 87 450 83 491 47 531 83 571 92 611 76 651 38 690 78 729 99 769 02 807 87 846 58 30 20 10 0 10 20 30 40 50 60 70 80 90 100 885 13 923 55 961 84 1000 0 1038 0 1076 0 1113 8 1151 4 1189 0 1226 4 1263 8 1301 0 1338 0 1375 0 ...

Page 15: ...12 Wiring diagram ...

Page 16: ...13 Circuit diagram ...

Page 17: ...ote alarm contact CN4 1 2 Temp control relay 5 6 Fan relay To control chamber temperature To conduct current to cap tube heater 1 2 12V 5 6 12V CN5 1 7 Buzzer 2 6 Control PCB CN51 To control with each switches CN6 Display PCB CN52 To connect with each LED CN7 7 8 Comp sensor To control condensing fan motor by the temperature in comp sensor CN8 1 2 Battery To supply the power to Main PCB during pow...

Page 18: ...er the function mode F00 is displayed 2 Temperature control Setting range 55㷄 85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 3 Temperature alarm Setting range High tem...

Page 19: ...put turns on When PV is lower than SV SVL ALARM lamp and LED display go off buzzer stops beeping and remote alarm output turns off If you press BUZZER key the buzzer stops beeping instead remote alarm output does not turn off 6 Other function Auto Return If there is not any key operation for 90 seconds in each setting mode Key Lock mode and Function mode the display automatically reverts to PV Not...

Page 20: ... rate 2 hrs timer F29 Display of delay time of permission for measuring running rate 8 hrs timer F30 ROM version is displayed F31 Automatically revert to PV display F32 Notice for condensing fan motor accumulating time F33 Automatically revert to PV display F34 F39 Unused Setting procedure In PV display keep pressing key over 5seconds to display F00 Input the desired function code with key and key...

Page 21: ...ss SET key to display 00 0 initial value Change to the desired value with key and key in the range of 4 9 04 9 Press SET key to store the value and revert to PV display F08 Purpose Simply passing through if entered by mistake Operation Press SET key in F08 displayed to revert to PV display Buzzer tone is emitted if service code is not input in F06 F12 Purpose To display the temperature of temp sen...

Page 22: ...isplay Buzzer tone is emitted if service code is not input in F06 F21 Purpose Serial communication ID setting Operation Input F21 and press SET key to display 000 initial Change the value in the range 001 255 with key and key F22 Purpose Serial communication mode setting Operation input F22 and press SET key to display 000 initial value Change the value with key and key Press SET key to store the ...

Page 23: ... PV F30 Purpose ROM version is displayed Operation Service code should be input in F06 prior to use this mode Input F30 and press SET key to display alternately F30 with X XX present ROM version Press SET key to revert to PV display F31 Purpose Simply passing through if entered by mistake Operation Press SET key in F31 displayed to revert to PV display Buzzer tone is emitted if service code is not...

Page 24: ...o stop the buzzer beeping 3 Compressor abnormal temp E10 is displayed and compressor turns off when temperature in Comp sensor is higher than 100㷄 When temperature in Comp sensor is lower than 65㷄 compressor turns on 4 Error code priority No 1 Temp sensor failure E01 or E02 No 2 Comp sensor failure E05 or E06 No 3 Compressor abnormal temperature E10 5 Temperature to judge sensor failure PT sensor ...

Page 25: ...sensor is lower than 65㷄 15 Other specifications 1 Lamp specifications Control PCB DP1 Orange lamp Goes off High low temp alarm sensor failure power failure Lit Not in alert condition DP2 Green lamp Goes off Compressor does not activate normal condition Lit Compressor activates DP4 Yellow lamp Goes off Fan motor does not activate normal condition Lit Fan motor activates Display PCB DP51 Red lamp G...

Page 26: ...23 Temp sensor PT 1000 Comp sensor Fan Battery Control panel Battery cover Back side of Control panel Display PCB Control PCB Parts layout MDF C8V ...

Page 27: ...How to access the Main PCB 1 Catch the pick by screwdriver to pull the panel out 2 Loosen tie band to set cables free Pull Electric BOX out carefully Main PCB layout ROM Switching power supply Electric BOX ...

Page 28: ...25 Lower back side Remote alarm Battery switch Ex tank Temp control relay Fan relay Power cord Breaker switch Running capacitor Starting capacitor Starting relay ...

Page 29: ... 㪈㪈㪌㪭䇭㪍㪇㪟㫑䇭㪘㪫㪊㪇㷄䇭㪥㫆䇭㫃㫆㪸㪻㪄㪈㪇㪇㪄㪏㪇㪄㪍㪇㪄㪋㪇㪄㪉㪇㪇㪉㪇㪋㪇㪇㪈㪉㪊㪋㪌㪍㪎㪏㪐㪈㪇㪈㪈㪈㪉㪫㫀㫄㪼㪲㪿㫆㫌㫉㪴㪫㪼㫄㫇㪼㫉㪸㫋㫌㫉㪼㪲㷄㪴㪈㪆㪉㪟䇭㪘㫀㫉㪜㪭㪘㩷㪦㪬㪫㪫㪼㫄㫇㪼㫉㪸㫋㫌㫉㪼㩷㪺㪿㪸㫉㪸㪺㫋㪼㫉㫀㫊㫋㫀㪺㫊䋨㫇㫌㫃㫃㪄㪻㫆㫎㫅㪀㪉㪊㪇㪭䇭㪌㪇㪟㫑䇭㪘㪫㪊㪇㷄䇭㪥㫆䇭㫃㫆㪸㪻㪄㪈㪇㪇㪄㪏㪇㪄㪍㪇㪄㪋㪇㪄㪉㪇㪇㪉㪇㪋㪇㪇㪈㪉㪊㪋㪌㪍㪎㪏㪐㪈㪇㪈㪈㪈㪉㪫㫀㫄㪼㪲㪿㫆㫌㫉㪴㪫㪼㫄㫇㪼㫉㪸㫋㫌㫉㪼㪲㷄㪴㪈㪆㪉㪟䇭㪘㫀㫉㪜㪭㪘㩷㪦㪬㪫 ...

Page 30: ...27 㪫㪼㫄㫇㪼㫉㪸㫋㫌㫉㪼㩷㪺㪿㪸㫉㪸㪺㫋㪼㫉㫀㫊㫋㫀㪺㫊䋨㫇㫌㫃㫃㪄㫌㫇㪀䇭㪘㪫㪊㪇㷄䇭㪥㫆䇭㫃㫆㪸㪻㪄㪈㪇㪇㪄㪏㪇㪄㪍㪇㪄㪋㪇㪄㪉㪇㪇㪉㪇㪋㪇㪇㪈㪉㪊㪋㪌㪍㪫㫀㫄㪼㪲㪿㫆㫌㫉㪴㪫㪼㫄㫇㪼㫉㪸㫋㫌㫉㪼㪲㷄㪴㪈㪆㪉㪟䇭㪘㫀㫉 ...

Page 31: ...㫑䇭㪘㪫㪊㪌㷄䇭㪥㫆䇭㫃㫆㪸㪻㪇㪇㪅㪌㪈㪈㪅㪌㪉㪉㪅㪌㪊㪊㪅㪌㪋㪇㪈㪉㪊㪋㪌㪍㪎㪏㪐㪈㪇㪈㪈㪈㪉㪫㫀㫄㪼㪲㪿㫆㫌㫉㪴㪧㫉㪼㫊㫊㫌㫉㪼㪲㪤㪧㪸㪴㪧䌤㪧䌳㪬㫅㫀㫋䇭㪧㫉㪼㫊㫊㫌㫉㪼䋨㫇㫌㫃㫃㪄㪻㫆㫎㫅㪀㪈㪈㪌㪭䇭㪍㪇㪟㫑䇭㪘㪫㪊㪌㷄䇭㪥㫆䇭㫃㫆㪸㪻㪇㪇㪅㪌㪈㪈㪅㪌㪉㪉㪅㪌㪊㪊㪅㪌㪋㪇㪈㪉㪊㪋㪌㪍㪎㪏㪐㪈㪇㪈㪈㪈㪉㪫㫀㫄㪼㪲㪿㫆㫌㫉㪴㪫㪼㫄㫇㪼㫉㪸㫋㫌㫉㪼㪲㷄㪴㪧䌤㪧䌳 ...

Page 32: ... 㪋㪌㪍㪎㪏㪐㪈㪇㪈㪈㪈㪉㪫㫀㫄㪼㪲㪿㫆㫌㫉㪴㪧㫆㫎㪼㫉䇭㪺㫆㫅㫊㫌㫄㫇㫌䌴㫀㫆㫅䇭㪲㪮㪴㪇㪇㪅㪌㪈㪈㪅㪌㪉㪉㪅㪌㪊㪊㪅㪌㪋㪋㪅㪌㪌㪚㫌㫉㫉㪼㫅㫋㪲㪘㪴㪮㪘㪧㫆㫎㪼㫉䇭㪚㫆㫅㫊㫌㫄㫇㫋㫀㫆㫅䋨㫇㫌㫃㫃㪄㪻㫆㫎㫅㪀㪉㪊㪇㪭䇭㪌㪇㪟㫑䇭㪘㪫㪊㪌㷄䇭㪥㫆䇭㫃㫆㪸㪻㪇㪌㪇㪈㪇㪇㪈㪌㪇㪉㪇㪇㪉㪌㪇㪊㪇㪇㪊㪌㪇㪋㪇㪇㪋㪌㪇㪌㪇㪇㪇㪈㪉㪊㪋㪌㪍㪎㪏㪐㪈㪇㪈㪈㪈㪉㪫㫀㫄㪼㪲㪿㫆㫌㫉㪴㪧㫆㫎㪼㫉䇭㪺㫆㫅㫊㫌㫄㫇㫌䌴㫀㫆㫅䇭㪲㪮㪴㪇㪇㪅㪌㪈㪈㪅㪌㪉㪉㪅㪌㪊㪊㪅㪌㪋㪋㪅㪌㪌㪚㫌㫉㫉㪼㫅㫋㪲㪘㪴㪮㪘 ...

Page 33: ...is important to pull vacuum in the circuit to avoid possibility causing fire by residual refrigerant R 600 2 Connect charging pipe Measure weight of tank before charge See picture c Connect tank with both vacuum pump and gauge manifold See picture d It should be taken 3 hours at least to pull vacuum with 2 tanks Pump capacity 300L min Collection and charge of refrigerant a b c d ...

Page 34: ... off by pinch pliers See picture f Pinch pliers 5 Charge refrigerant in Low pressure side Open the valve again to charge refrigerant in Low pressure side Charge until you can ensure pressure should be 0 1 Mpa G with unit running Turn the tank upside down to charge refrigerant without remains See picture g 6 Pinching pipe Measure the weight of tank after charged Form the pipe which was pinched off ...

Page 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 ...

Page 36: ...33 MDF C8V Ultra Low Temperature Freezer INSTRUCTION MANUAL ...

Page 37: ...G P 15 SETTING OF ALARM RESUME TIME P 17 CHANAGE OF COMPRESSOR DELAY TIME P 18 REMOTE ALARM TERMINAL P 19 ALARMS SAFETY FUNCTIONS P 20 ROUTINE MAINTENANCE Cleaning of cabinet P 21 Defrosting P 21 Battery P 22 REPLACEMENT OF BATTERY P 23 TROUBLESHOOTING P 24 DISPOSAL OF UNIT P 25 Recycle of battery P 25 TEMPERATURE RECORDER OPTION P 30 Installation of MTR 85H P 31 Installation of MTR G85 P 33 BACK ...

Page 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...

Page 39: ...y Symbol shows this symbol means caution 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 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 engine...

Page 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...

Page 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...

Page 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...

Page 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 ...

Page 44: ...41 8 FREEZER COMPONENTS 13 12 5 11 1 2 3 6 7 8 5 4 10 9 ...

Page 45: ...vement 7 Leveling foot Serves to adjust the height and to settle the frame evenly 8 Intake air vent Be careful not to block this 9 Control panel The temperature setting keys etc are located See page 10 for details 10 Space for temperature recorder An automatic temperature recorder optional part can be attached here See page 30 Temperature recorder option 11 Battery switch back side Switch for batt...

Page 46: ...o page 14 for the key lock 4 Numerical value shift key Pressing this key in the setting mode causes the numerical value to shift ON OFF of key lock can be selected by pressing this key in the key lock mode Pressing this key for more than 5 seconds in the temperature display mode causes the alarm temperature setting mode or alarm resume time setting mode See page 15 Alarm temperature setting or pag...

Page 47: ...may cause vibration or noise 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 injury from the unit tipping over Ŷ...

Page 48: ...ise to contact them to the floor Ensure the unit is level and the casters are not in contact with the floor 3 Fixing the unit A fixture is attached to the rear of the frame Fix the frame to the wall with this fixture and rope or chain 4 Ground earth The ground earth is for preventing the electric shock in the case of the electrical insulation is somehow degraded Always ground the unit at the time ...

Page 49: ...witch of the back up system optional component if it is installed 7 Press the alarm test key ALARM TEST and check that the alarm lamp blinks and alarm buzzer activates 8 After confirming the above you can put articles into the freezer chamber in a small batch to prevent the temperature rise Operation after power failure The settings chamber temperature alarm temperature are memorized by nonvolatil...

Page 50: ...the temperature display mode automatically when 90 seconds has passed without any key operation Ŷ Although the value of the chamber temperature setting can range from 55o C to 85o C the guaranteed temperature range with no load is between 60o C and 80o 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 temper...

Page 51: ... low temperature alarm is between 5o C and 20o C higher lower than the chamber set temperature Table 3 Procedure for setting high temperature alarm 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 Press numerical value shift key and scroll the figure to 1 When...

Page 52: ...digit is flashed 3 Press numerical value shift key and scroll the figure to 2 When pressed the figure of settable digit increases 4 Press set key SET The right digit is flashed Pressing the key shifts the digit which can be set 5 Set the temperature to 05 with the digit key and numerical value shift key When pressed the figure of settable digit increases 6 Press set key SET Alarm temperature is me...

Page 53: ...the digit shift key and numerical value shift key When pressed the figure of settable digit increases 4 Press set key SET The current setting 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 increases 6 Press set key SET Alarm resume time is memorized and the current chamber temperature is displayed Ŷ The ...

Page 54: ... of power source is adequate Table 6 Changing procedure 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 change...

Page 55: ... at the back of the unit The alarm is generated from this terminal The contact capacity is DC 30 V 2 A Contact output Between COM and N O Between COM and N C At normal condition Open Close At abnormal condition Close Open Note The alarm device is activated when the power cord is disconnected because such condition is determined as power failure REMOTE ALARM COM MAX DC30 V 2 A N C N O ...

Page 56: ...Alarm lamp is flashed E01 and chamber temp are displayed alternately If the thermal sensor is short circuited Alarm lamp is flashed E02 and chamber temp are displayed alternately Intermittent tone Remote alarm If the thermal sensor of the compressor is disconnected Alarm lamp is flashed E05 and chamber temp are displayed alternately Sensor abnormality If the thermal sensor of the compressor is sho...

Page 57: ...is unit requires absolutely no lubrication Ŷ Remove the frost on the inner lid once a month Ŷ Press the back up test switch once a month to check the back up system operation when the back up system is installed Defrosting The frost is built on the inside wall of the chamber and inner lid The excessive frost possibly makes some gap between the cabinet and door gasket which may cause poor cooling R...

Page 58: ...ife is approximately 3 years The buzzer can not be activated at the power failure and the stored items may be influenced if the battery is left as it is for more than 3 years It is recommended that the battery is replaced ahead of time For the replacement of the battery contact Sanyo sales representative or agent ...

Page 59: ... 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 1 screws fixing the side cover with a screw driver and remove the side cover 3 Disconnect the battery connector Fig 3 4 Remove 4 screws fixing the battery cover Fig 4 5 Take out the battery 6 Follow the procedure for recycling or proper disposal Handling of battery Cover...

Page 60: ...t appropriate Ŷ The freezer is in the direct sunlight Ŷ The freezer is not installed properly There is condensation outside the freezer Ŷ The condensation can be found outside the freezer depending on the installation site or under muggy environment The condensation is caused by the humidity not by freezer failure Wipe off the condensation with a dry cloth Noise Ŷ The freezer is not installed on t...

Page 61: ...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 ...

Page 62: ...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...

Page 63: ...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...

Page 64: ... 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...

Page 65: ...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...

Page 66: ...ature recorders is available for the freezer as the optional component The type of the recorder is MTR 85H or MTR G85 For the attachment optional component is necessary as follows Temperature recorder Mounting kit Recorder sensor cover MTR 85H MTR G85 MDF S3085 MTR C8 MTR C8 For the installation of the temperature recorder contact Sanyo sales representative or agency Space for temperature recorder...

Page 67: ... enclosed with the recorder and the mounting plate MDF S3085 3 Lead the recorder sensor to the chamber through the access port at the bottom of the chamber Note The port is covered with a thermal insulation and rubber cap Remove those covers before passing the recorder sensor 4 Fix the recorder sensor to the inside of the sensor cover MTR C8 by using the enclosed clips and screws and seal the acce...

Page 68: ... with 4 screws 9 Operate the freezer until the chamber temperature gets to the set temperature Check the recorded temperature and chamber temperature displayed on the control panel Adjust the zero adjustment volume on the temperature recorder so that the recorded temperature can corresponds with the displayed temperature if they are not compliance each other Refer to the instruction manual enclose...

Page 69: ...onnect the recorder connector with the connector on the right back side of the control panel Fig 2 3 Lead the recorder sensor to the chamber through the access port at the bottom of the chamber Note The port is covered with a thermal insulation and rubber cap Remove those covers before passing the recorder sensor 4 Fix the recorder sensor to the inside of the sensor cover MTR C8 by using the enclo...

Page 70: ... with 4 screws 10 Operate the freezer until the chamber temperature gets to the set temperature Check the recorded temperature and chamber temperature displayed on the control panel Adjust the zero adjustment volume on the temperature recorder so that the recorded temperature can corresponds with the displayed temperature if they are not compliance each other Refer to the instruction manual enclos...

Page 71: ...this knob set the temperature at which the system is operated The effective set temperature range is between 50o C and 70o C 4 Back up standby lamp BACK UP STANDBY A lamp that is activated in conjunction with the ON OFF of the power switch of the back up system 5 Battery lamp BATTERY This lamp is brightened in orange when the battery capacity is less WARNING As with any equipment that uses CO2 gas...

Page 72: ...aches the required level 3 Set the temperature of back up operation at the temperature higher than 70o C The back up system is operated continuously if the temperature of back up operation is set at the temperature lower than 70o C This means the liquid CO2 gas is consumed very quickly 4 Switch on the back up system 5 Make sure that liquid CO2 gas spouts into the freezer chamber by pressing the ba...

Page 73: ...y setting range between 55o C and 85o C Temperature sensor Platinum resistance Pt 1000Ω Temperature alarm High temp alarm Low temp alarm Remote alarm Battery check Remote alarm contact Allowable contact capacity DC 30 V 2 A Battery Nickel metal hydride battery DC 6 V 1100 mAh Automatic charge Weight 64 kg Accessories 1 set of key 1 scraper Optional component Automatic temperature recorder MTR 85H ...

Page 74: ...C no load Rated voltage AC 110 V AC 115 V AC 220 V AC 230V AC 240V AC 220V Rated frequency 60 Hz 60 Hz 50 Hz 50 Hz 50 Hz 60 Hz Rated power consumption 295 W 300 W 310 W 325 W 350 W 310 W Noise level 49 dB A background noise 20 dB Maximum pressure 3 7 MPa Note The unit with CE mark complies with EC directives 89 336 EEC 93 68 EEC and 73 23 EEC ...

Page 75: ...es 2 Contamination of the unit Unit interior Yes No No contamination Yes No Decontaminated Yes No Contaminated Yes No Others 3 Instructions for safe repair maintenance of the unit a The unit is safe to work on Yes No b There is some danger see below Yes No Procedure to be adhered to in order to reduce safety risk indicated in b below Date Signature Address Division Telephone Product name Model Ser...

Page 76: ...73 CVK UB4 CVK UB4 I Back up System for Ultra Low Temperature Freezer INSTRUCTION MANUAL ...

Page 77: ...ATION P 3 COMPONENTS LIST P 5 INSTALLATION Assembling of the solenoid valve P 8 Installation of the door switch P 9 installation of the back up kit P 10 Wiring P 12 CONTROL PANEL P 13 TRIAL OPERATION P 14 Calibration P 14 SPECIFICATIONS P 15 PERFORMANCE P 15 ...

Page 78: ...y 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 inaccuracies Ŷ No part of this manual may be reproduced in any ...

Page 79: ...y Symbol shows this symbol means caution 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 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 engine...

Page 80: ...ithout the cover may cause electric shock CO2 gas is released when the back up system is operated Use this kit in well ventilated environment as high CO2 density level may cause a deficiency of oxygen This manual includes the attachment procedure for CVK UB4 and CVK UB4 I only For its operation and the operation of a ultra low temperature freezer see an instruction manual provided with the freezer...

Page 81: ...enoid valve assy 2 2 VALVE OUTLET PIPE 1 It is a part of the LCO2 solenoid valve assy 2 3 SK BAND 2 A CO2 valve is put in the chamber and it is the part which fixes insulation 3 LCO2 JOINT PIPE AND JOINT PACKING 1 The pipe which connects a LCO2 gas cylinder and the LCO2 solenoid valve 4 BACK UP SYSTEM 1 LCO2 is injected when a freezer has temperature rise 5 SOLENOID VALVE COVER 1 This cover is a p...

Page 82: ...of Page12 These wires are the indicator lamp and the door switch 䋨It is attached 䋩 11 DOOR SWITCH MTG PLATE 1 It is a plate which fixes a door switch ass y 12 SHIM for DOOR SWITCH MTG PLATE 1 It is a plate to lay under the door switch mounting plate 13 STRIKE PLATE 1 It is fixed on the door of the freezer and it is the part that on off does a door switch by the open close of the door 14 WIRE COVER...

Page 83: ...he table 1 No PARTS NAME Q TY APPEARANCE THE EXPLANATION OF THE USE 20 WIRING ASS Y BP 1 It is harness to install on the electric box of the freezer option 21 NYLON CLIP 6N 1 Wiring ass y DS is fixed 22 NYLON CLIP 7N 2 Wiring ass y BP is fixed ...

Page 84: ...t part securely so that CO2 gas can not leak out Fig 2 2 Insulation is fixed with a SK band Two places Fig 3 CAUTION Check the gas piping before trial operation to avoid gas leakage The nut marked with in Fig 1 is not fixed surely Tighten it completely by assembling and enforce a leak test Fig 1 Valve outlet pipe Pipe insulation LCO2 solenoid valve Outlet side 㶎㶎 Fig 2 Insulation Valve outlet pip...

Page 85: ...ate is installed with two screws D M5 x 10 stainless steel Fig 3 At this time adjust it to the position where door switch is pushed under the condition that door closes 4 Wire cover is put on the rear side of freezer and the protection and the wiring ass y DS which it out of the door switch ass y is pasted on the left side of freezer Fig 4 5 The connector of the harness is connected to the connect...

Page 86: ...l box is removed and connected to the connector that it has wiring ass y BP prepared on the product side It is fixed with lead wire band on the side of the Fig 2 electrical box The rear cover of freezer is fixed after the management of the wiring ass y BP is finished Fig 3 4 At this time four screws in the rear of the freezer are loosened with the second from the top the 4th left and right And MDF...

Page 87: ...O2 solenoid valve is fixed on MDF UBK with one screw A M4 x 10 C It is tight Fig 8 The mounting plate A is fixed with two screws A M4 x 10 C is tight The surroundings of the CO2 valve outlet pipe which inserted into freezer are blocked with silicon Fig 9 The valve cover mounting plate is fixed by using the screw which sticks in the freezer in advance It gains a valve cover after a CO2 valve outlet...

Page 88: ... each upper of the back up system ass y is connected with the connector of the same color 3 Wiring ass y BP white connector from the freezer itself is connected with the connector of the upper same color of the back up system ass y WARNING There is a terminal AC 100V of the high voltage in the back up system Attach the back up unit cover before starting the trial operation The operation without th...

Page 89: ... knob TEMP SET With this knob set the temperature at which the system is operated The effective set temperature range is between 50o C and 70o C 4 Back up stand by lamp BACKUP STANDBY It is the lamp turned on by ON OFF of the back up power switch GREEN color 5 Battery lamp BATTERY A power failure and a back up test switch are pushed and CO2 gas appears and it is turned on when battery capacity dec...

Page 90: ...e set temperature of the freezer 4 Turn on the back up system with the freezer door closed Check that the indicator on the door switch ass y is on 5 Press the test switch to check that the CO2 gas is released into the freezer chamber Stop the operation immediately and contact your dealer or sales representative if there is something wrong with the back up system during the trial operation and it i...

Page 91: ... kg Optional component Mounting plate MDF UBK Note Design or specifications will be subject to change without notice The battery for power failure alarm is an article for consumption It is recommended that the battery will be replaced about every 3 years Contact Sanyo sales representation or agent at the time of replacement of the battery for recycling PERFORMANCE Temperature range 50 to 70o C Dur...

Page 92: ...1 JK1659 150B ...

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