Sanyo MDF-137 Service Manual Download

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SM9910202

SANYO Electric Co., Ltd.
Biomedical Business Division

Service Manual

Biomedical Freezer

MDF-137

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.

Summary of Contents for MDF-137

Page 1: ...137 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 137 823 016 54 220 240V 50Hz ...

Page 3: ...i f i c a t i o n s o f s e n s o r 1 0 W i r i n g d i a g r a m 1 1 C i r c u i t d i a g r a m 1 2 C o n t r o l s p e c i f i c a t i o n s 1 3 I n s t a l l a t i o n o f c o m p r e s s o r t e r m i n a l c o v e r 2 1 P a r t s l a y o u t 2 4 T e s t d a t a 2 7 P u l l d o w n P u l l u p t e m p e r a t u r e P u l l d o w n p r e s s u r e P u l l d o w n p o w e r c o n s u m p t i o ...

Page 4: ...s 35㷄䂓㩷 Environment conscious HFC refrigerant R 134a is adopted CP urethane foaming is adopted for frame insulation 䂓㩷 Better reliability for storage Various function modes are added by flash memory Battery age is informed by counting battery accumulation time Delay time for temperature alarm is changeable New door lock mechanism ...

Page 5: ... Nickel metal hydride battery DC6V 1100mAh Automatic charge Accessories 1 set of key 1 scraper 2 baskets Caster 4 pcs Leveling foot 2 pcs at front Access port 㱢17mm at right side and bottom left Weight 52 Kg Optional components Automatic temperature recorder MTR 4015LH MTR G85 Mounting kit for automatic temperature recorder MDF S3040 for MTR 4015LH MDF S740䋨for MTR G85䋩 2 baskets MDF 13B2 MTR 480C...

Page 6: ...Remote alarm terminal 3P Contact capacity DC30V 2A Max NC COM䇮NO COM Activates during high low temp alarm power failure alarm and Alarm test performed joins with buzzer Alarms Power fail ALARM lamp blinks buzzer sounds intermittently and remote alarm contact activates Control panel ALARM Alarm lamp BUZZER Alarm buzzer stop key ALARM TEST Alarm test key SET Set key 䋾 Digit shift key 㺢 Numerical val...

Page 7: ...4 Dimensions ...

Page 8: ...rting capacitor 60µF 300VAC Compressor Running capacitor Evaporator Type Direct cooling tube on sheet type Type 4A XH 9 Dryer Charged q㵭ty 10g Resistance 0 725 MPaG Length䋨L䋩 3600 mm Outer diameter䋨OD䋩㱢1 8 mm Capillary tube Inner diameter䋨ID䋩㱢0 65 mm Type Natural convection Condenser Wire and tube type 24 lines P40mm W440 mm Pre condenser Wire and tube type 4 lines P40mm W440 mm Condenser Frame ...

Page 9: ...6 㩷 Refrigeration circuits 㩷㩷㩷 Condenser Dryer Capillary tube Compressor Header Evaporator Pre condenser Frame pipe 䊶䊶䊶 Point to evacuate ...

Page 10: ...To Battery Battery Switch CN1 To Switching Power supply CN2 To MTR 480 Option CN4 1 2 To Temp control relay CN3 To Remote alarm terminal CN5 1 6 To Display PCB CN51 7 8 To Buzzer CN7 9 10 To Temp sensor CN6 To Display PCB CN52 ...

Page 11: ...tput for remote alarm contact 䊶㩷 Open between 1 and 2 when the power is supplied in normal condition 䊶㩷 1 and 2 are connected with remote alarm terminal CN4 Temp control relay 1 12V When temp control relay is ON 2 GND To turn temp control relay on off CN5 Display PCB CN51 To connect with each of switches CN6 Display PCB CN52 To connect with each of LED CN7 Temp sensor 9 10 Temp sensor To sense cha...

Page 12: ...nt AT25㷄 7 6 A Non action to the temp Operation time 10 sec Starting capacitor Rating 60µF 300VAC Temp control relay Type G4F 11123T Contact capacity 20A Coil 12VDC Temp sensor Type 502AT 1 Rating 5Kȍ 25㷄 Switching power supply Type LDA10F 12 Rated output 12VDC 0 9A Breaker switch Type BAM215131 Rating 250VAC 15A Battery switch Type SLE6A2 5 Rating 250VAC 4A Type 5HR AAC Ni MH Rating 6V 1100mAH Ba...

Page 13: ...9 30 92 15 7 20 䋭46 123 1 䋭32 58 43 䋭18 29 50 20 6 01 䋭45 116 5 䋭31 55 55 䋭17 28 14 25 5 00 䋭44 110 2 䋭30 52 84 䋭16 26 87 30 4 17 䋭43 104 4 䋭29 50 23 䋭15 25 65 35 3 50 䋭42 98 87 䋭28 47 77 䋭14 24 51 40 2 96 䋭41 93 70 䋭27 45 45 䋭13 23 42 45 2 51 䋭40 88 85 䋭26 43 26 䋭12 22 39 50 2 13 䋭39 84 18 䋭25 41 19 䋭11 21 41 55 1 82 䋭38 79 80 䋭24 39 24 䋭10 20 48 60 1 56 䋭37 75 67 䋭23 37 39 䋭5 16 43 65 1 35 㩷㩷 ...

Page 14: ...11 Wiring Diagram ...

Page 15: ...12 ...

Page 16: ... the display goes off and remote alarm activates Automatically returns to normal condition after 90 seconds passed even if you don t press this key Auto Return When you perform alarm test with battery switch is off position E09 blinks During setting mode press this key to change the digit one by one In chamber temperature display press this key for 5 seconds to enter into Key Lock mode with L_0 di...

Page 17: ...position or battery is unconnected press ALARM key to display E09 6 Alarms High temp alarm When chamber temperature is equal or higher than setting temperature high temp alarm setting temperature 1 0 ALARM lamp and the digital display blink After 10min later buzzer sounds and remote alarm output activates When chamber temperature is equal or lower than setting temperature ALARM lamp and the digita...

Page 18: ...and Function mode the value would not be memorized and automatically returns to chamber temperature display 8 Alarm resume time Ring Back Buzzer sounds again after alarm resume time elapses even if someone intends to stop buzzer sounding by pressing BUZZER key during alarm condition Alarm resume time is changeable in F25 9 Temperature in temp sensor The 1st decimal point of the temperature in temp...

Page 19: ...led if you input 000 in F06 or turn the power off F00 It is not functioned In F00 displayed press SET key to return to chamber temperature display F01 Setting of temperature for high temp alarm Setting range is 005 015 Input F01 and press SET key to display 010 Default setting Change to your required value and press SET key to memorize and return to chamber temperature display F02 Setting of tempe...

Page 20: ...display 00 0 Change the value to 04 0 and press SET key About 4㷄 is added to display temperature and chamber temperature is gradually lowered to 30㷄 F12 Display of temperature in temperature sensor Input F12 and press SET key to display F12 and XX X current chamber temperature alternately Press SET key to revert to chamber temperature display It is not shown minus when the temperature is lower tha...

Page 21: ...tial value 4800 bps 9600 bps 1st digit is not used Note It is unable to change setting temperature when you set control mode at remote F24 Joint operation for remote alarm and buzzer Input F24 and press SET key to display 000 default setting Change to your required setting by key Press SET key again to revert to chamber temperature display 000 Not joined 001 Joined F25 Setting of alarm resume time...

Page 22: ...on 2 Temperature alarm delay time Default 10 minutes When unit is in high low temperature alarm condition buzzer and remote alarm activate with delay time Display blinks and ALARM lamp is lit without delay Setting value is changeable in F50 15 Temperature offset Input offset value to adjust for temperature in temp sensor with actual temperature Temp sensor offset value is 4 0㷄 You can change offse...

Page 23: ...Click tone In key operation In memorize setting value Continuous tone Ineffective setting value Chamber temp 29 5㷄 Decimal point of chamber temp 80 0 Set temp 30 0㷄 Sensor offset㩷㩷㩷 4 9 Function code F03 Service code㩷㩷㩷 384 Error 㩷㩷㩷㩷 E01 Set value㩷㩷㩷 004 Key Lock㩷㩷㩷 L_0 ...

Page 24: ...C Upsid e Installation of compressor terminal cover 㪚㪪㪩 Hang fixiing bar on the both holes of the terminal Then move the bar to the right side Put lead wires into the terminal cover Connect PTC and OLR with the specified color lead wires Refer to Wiring diagram ...

Page 25: ...terminal cover Put the projection of terminal cover in the squarish hole See picture 4 䋨6䋩 Terminal cover Partially cut for explanation PTC Squarish hole Projection of Terminal cover Inside of terminal cover Violet L blue Blue ...

Page 26: ...r the removal of terminal cover follow the above process vice versa Projection Mount terminal cover on compressor terminal Move the fixing bar back to original position and fix the bar on 2 projections with a snap ...

Page 27: ...24 ...

Page 28: ... terminal for Recorder with socket Lock Temperature control sensor cover Temperature control sensor Loaded Entrance of temperature control sensor on the back Bend Temperature control sensor to attach load with it Temperature control sensor connector insert ...

Page 29: ...26 Remote alarm Battery SW Power SW Terminal for MTR 480 Option Remote alarm Battery SW Battery DP1 is lit in power failure alarm DP2 is lit when compressor is operating ...

Page 30: ...0V䋩 1 2H䋨230V䋩 1 2H䋨pullup䋩 AT35㷄䇭Pull down Pressure 0 0 2 0 4 0 6 0 8 1 1 2 1 4 1 6 1 8 2 0 1 2 3 4 Time hour Pressure MPa Pd䇭 220V Pd䇭 230V Ps䇭 220V Ps䇭 230V AT35㷄䇭Pull down䇭Power consumption 0 50 100 150 200 250 0 1 2 3 4 Time hour Power consumption W 0 1 2 3 4 5 Current A Input䇭䋨220V䋩 Input䇭䋨230V䋩 Current䇭䋨220V䋩 Current䇭䋨230V Test data ...

Page 31: ... the data are the reference only 㪚㪟㪘㪤㪙㪜㪩㪝㪩㪦㪥㪫㪝㪩㪦㪥㪫㪣㪜㪝㪫㪩㪠㪞㪟㪫㪙㪘㪚㪢㪝㪩㪦㪥㪫㪙㪘㪚㪢㪫㪦㪧㪙㪦㪫㪫㪦㪤㪟㪮㪛㩷㪐㪇㫄㫄㪟㩷㩿㫃㫆㪸㪻㩷㫃㫀㫅㪼㪀㪌㪇㫄㫄㪟㪫㪦㪧㪌䋦㪛㪌䋦㪛㪌㪇䋦㪛㪌㪇䋦㪛㪌䋦㪮㪌䋦㪮㪌㪇䋦㪮㪌㪇䋦㪮㪈㪉㪊㪋㪌㪣㪦㪮㪟㪠㪞㪟㪤㪠㪛㪛㪣㪜㪩㪠㪞㪟㪫㪟㪠㪞㪟㪤㪠㪛㪛㪣㪜㪌㪇䋦㪟㪌㪇䋦㪟㪍㪎㪏㪐㪌䋦㪮㪌䋦㪮㪈㪇㪈㪌㪈㪈㪈㪊㪈㪉㪈㪋㪣㪦㪮 ...

Page 32: ...0 9 28 6 30 4 29 5 0 9 㾀 29 9 32 0 31 0 1 1 30 0 32 6 31 3 1 3 Average 30 1 30 2 Unit 㷄 Maximum Minimum Middle of cycle Differential Maximum Minimum Middle of cycle Differential 㽲 26 2 28 1 27 2 1 0 26 2 28 0 27 1 0 9 㽳 26 7 29 4 28 1 1 4 26 7 29 4 28 1 1 4 㽴 26 7 29 1 27 9 1 2 26 8 29 1 28 0 1 2 㽵 26 8 29 5 28 2 1 4 26 8 29 5 28 2 1 4 㽶 27 7 29 0 28 4 0 7 27 6 29 0 28 3 0 7 㽷 28 2 31 0 29 6 1 4 2...

Page 33: ...19 4 23 5 21 5 2 1 19 4 23 4 21 4 2 0 Average 20 3 20 3 Unit 㷄 Maximum Minimum Middle of cycle Differential Maximum Minimum Middle of cycle Differential 㽲 17 4 20 3 18 9 1 5 17 4 20 2 18 8 1 4 㽳 17 5 21 8 19 7 2 2 17 8 21 7 19 8 2 0 㽴 17 8 21 5 19 7 1 9 17 9 21 5 19 7 1 8 㽵 17 7 22 0 19 9 2 2 17 8 21 9 19 9 2 1 㽶 18 7 20 9 19 8 1 1 18 8 20 9 19 9 1 1 㽷 18 8 23 3 21 1 2 3 19 0 23 2 21 1 2 1 㽸 18 8 ...

Page 34: ...㪌㪄㪉㪇㪄㪈㪌㪇㪈㪇㪉㪇㪊㪇㪋㪇㪌㪇㪫㫀㫄㪼㪲㫄㫀㫅㫌㫋㪼㪴㪫㪼㫄㫇㪅㪲㷄㪴䇭㪚㫆㫅㪻㫀㫋㫀㫆㫅㪑㩷㪘㪫㪊㪇㷄䇭㪍㪇㪟㫑㪄㪊㪌㪄㪊㪇㪄㪉㪌㪄㪉㪇㪄㪈㪌㪇㪈㪇㪉㪇㪊㪇㪋㪇㪌㪇㪫㫀㫄㪼㪲㫄㫀㫅㫌㫋㪼㪴㪫㪼㫄㫇㪅㪲㷄㪴㪪㪭㪄㪊㪇㷄㩷㽶㪪㪭㪄㪊㪇㷄㩷㽶㪪㪭㪄㪊㪇㷄㩷㽻㪪㪭㪄㪊㪇㷄㩷㽻㪪㪭㪄㪊㪇㷄㩷㾀㪪㪭㪄㪊㪇㷄㩷㾀㪪㪭㪄㪉㪇㷄㩷㽶㪪㪭㪄㪉㪇㷄㩷㽶㪪㪭㪄㪉㪇㷄㩷㽻㪪㪭㪄㪉㪇㷄㩷㽻㪪㪭㪄㪉㪇㷄㩷㾀㪪㪭㪄㪉㪇㷄㩷㾀 ...

Page 35: ...㪌㪄㪉㪇㪄㪈㪌㪇㪈㪇㪉㪇㪊㪇㪋㪇㪌㪇㪫㫀㫄㪼㪲㫄㫀㫅㫌㫋㪼㪴㪫㪼㫄㫇㪅㪲㷄㪴䇭㪚㫆㫅㪻㫀㫋㫀㫆㫅㪑㩷㪘㪫㪉㪇㷄䇭㪍㪇㪟㫑㪄㪊㪌㪄㪊㪇㪄㪉㪌㪄㪉㪇㪄㪈㪌㪇㪈㪇㪉㪇㪊㪇㪋㪇㪌㪇㪫㫀㫄㪼㪲㫄㫀㫅㫌㫋㪼㪴㪫㪼㫄㫇㪅㪲㷄㪴㪪㪭㪄㪊㪇㷄㩷㽶㪪㪭㪄㪊㪇㷄㩷㽶㪪㪭㪄㪊㪇㷄㩷㽻㪪㪭㪄㪊㪇㷄㩷㽻㪪㪭㪄㪊㪇㷄㩷㾀㪪㪭㪄㪊㪇㷄㩷㾀㪪㪭㪄㪉㪇㷄㩷㽶㪪㪭㪄㪉㪇㷄㩷㽶㪪㪭㪄㪉㪇㷄㩷㽻㪪㪭㪄㪉㪇㷄㩷㽻㪪㪭㪄㪉㪇㷄㩷㾀㪪㪭㪄㪉㪇㷄㩷㾀 ...

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