Sanyo MDF-192 Service Manual Download Page 1

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SM9910176

SANYO Electric Co., Ltd.
Biomedical Business Division

Service Manual

Ultra-Low Temp. Freezer

MDF-193
MDF-192(N)

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.

MDF 193AT

Summary of Contents for MDF-192

Page 1: ...192 N 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 MDF 193AT ...

Page 2: ...Effective models This service manual is effective following models Model name Product code Voltage and Frequency 823 011 53 220V 60Hz MDF 193 823 011 54 220 230 240V 50Hz MDF 192 N 823 011 52 220V 50Hz ...

Page 3: ... n t s o n P C B 7 C o n n e c t i o n s o n P C B 8 W i r i n g d i a g r a m 9 C i r c u i t d i a g r a m 10 Electric parts 11 Specific at ions of s ens or 12 C o n t r o l s p e c i f i c a t i o n s 13 P a r t s l a y o u t 18 T e s t d a t a 20 Pull down Pull up data Pull down pressure data Current and power consumption data Temperature uniformity 15points measured Power consumption data I n...

Page 4: ...olyurethane foamed in place Access port 㱢40mm 1 place in left side Compressor Hermetic rotary type 450W Evaporator Tube on sheet type Condenser Finless tube type Refrigerant HFC mixed refrigerant MU N49 Refrigerating oil Ze NIUSL22SA Power supply Local voltage Battery Nickel cadmium battery for power failure alarm 6VDC 270mAh Weight 103 kg Accessories 1 set of key 1 scraper Optional component Alum...

Page 5: ...during power failure and temp alarm Power failure When the power to the unit is not connected or power failure ALARM lamp blinks intermittent buzzer tone emits and remote alarm activates without delay Remote alarm 3P remote alarm terminal DC30V 2A NC COM NO COM Battery life Battery accumulation period About 3 years F1 and chamber temperature are alternately displayed without buzzer and remote alar...

Page 6: ...zer stop key BUZZER The buzzer will be activated again after certain suspension if the alarm condition is continued Compressor protection Internal thermostat 㩷㩷 ŶPerformance specifications Cooling performance Center point of freezing chamber 86㷄䋨AT30㷄 no load䋩 Temp control range 50㷄䌾 86㷄䋨AT30㷄 no load䋩 220VAC 50Hz 220VAC 60Hz 230VAC 50Hz 240VAC 50Hz Rated power consumption 320W 400W 350W 370W Noi...

Page 7: ...4 Overlook view Front view Side view Dimensions ...

Page 8: ...ine W 290mm Frame pipe Ǿ4 76mm x T0 7 Evaporator Type Tube on sheet sharing with interior Ǿ7 94 mm x T 0 7 mm Capillary tube Cascade condenser Lower Ex Resistance PSI kg cm2 9kg cm2 6kg cm2 34PSI Length mm 2000 2000 500 Outer diameter mm Ǿ1 8 Ǿ1 8 Ǿ2 4 Color None Black None Refrigerant Type MU N49 Composition R 245fa R600 230g R 23 110g R 14 50g Dryer Dry core D SM032T 㨯㨯㨯Specially dehydrated Cond...

Page 9: ...Cascade condenser Evaporator shunt Capillary tube Check valve Capillary tube EX EX tank Compressor Pre condenser Pre condenser Accumulator Condenser Frame pipe Note Ensure to charge gas from the charging point at EX tank Point to pull vacuum ...

Page 10: ...7 0 6Q RQYGT 6TCPUHQTOGT 0 6Q 6GOR EQPVTQN TGNC 0 6Q CVVGT 6Q CVVGT 59 0 6Q QOR RTQVGEV UGPUQT 0 2 6Q 4GOQVQ CNCTO VGTOKPCN 0 6 6Q 4GOQVQ CNCTO VGTOKPCN 0 6Q 6GOR UGPUQT Components on PCB ...

Page 11: ...2 10 3VAC 㧏3 GND 㧏4 㧏5 18 5VAC CN2 1 2 Battery Battery SW To supply the power to alarm during power failure 㧏1 6VDC 㧏2㧦GND CN3 1 3 Temp sensor To detect chamber temperature CN5 1 2 Comp protect sensor To protect compressor from fan motor lock malfunction CN6 1 5 Remote alarm terminal To output from remote alarm CN8 1 2 Temp control relay To control chamber temperature 㧏1 㧏2㧦12VDC ...

Page 12: ...9 Wiring Diagram ...

Page 13: ...10 Circuit Diagram ...

Page 14: ... Rating 230V 4W 230V 4W 230V 4W Temp control relay Type G4F 11123T G4F 11123T G4F 11123T Contact capacity 20A 12VDC 20A 12VDC 20A 12VDC Temp sensor Type PT sensor PT sensor PT sensor Rating PT 100㱅 PT 100㱅 PT 100㱅 Comp protect sensor Type 502AT 1 502AT 1 502AT 1 Rating 5K㱅 25㷄 5K㱅 25㷄 5K㱅 25㷄 Breaker switch Type BAM215131 BAM215131 BAM215131 Rating 250VAC 10A 250VAC 10A 250VAC 10A Battery switch T...

Page 15: ...16 26 87 30 4 17 㧙43 104 4 㧙29 50 23 㧙15 25 65 35 3 50 㧙42 98 87 㧙28 47 77 㧙14 24 51 40 2 96 㧙41 93 70 㧙27 45 45 㧙13 23 42 45 2 51 㧙40 88 85 㧙26 43 26 㧙12 22 39 50 2 13 㧙39 84 18 㧙25 41 19 㧙11 21 41 55 1 82 㧙38 79 80 㧙24 39 24 㧙10 20 48 60 1 56 㧙37 75 67 㧙23 37 39 㧙5 16 43 65 1 35 ع Temperatures in temperature sensor PT 100 and resistance values ǡ ǡ ǡ ǡ 㧙140 43 87 㧙90 64 30 㧙40 84 27 10 103 90 㧙13...

Page 16: ...isplay the value of decimal point for 3 seconds Ex 80 3㷄㸢 803 ENT During set mode press the key to store the displayed temperature as set value SV 2 Temperature control Setting range 50㷄䌾 95㷄 Display range 170㷄䌾 50㷄 Setting procedure Press PV SV key and set the required value with key and key Press ENT key to memorize the set value Out of setting range If you input the value out of setting range ...

Page 17: ...inal outputs When chamber temperature is equal to set temperature high temp alarm set temperature ALARM lamp and LED display go off buzzer stops beeping and remote alarm terminal does not output Low temp alarm When chamber temperature is equal or lower than set temperature low temp alarm set temperature initial 10㷄 1 ALARM lamp and LED display blink buzzer beeps intermittently with 12min of delay ...

Page 18: ... press ENT key to display 000 initial value Set to 384 with key and key Press ENT key to store the value and revert to chamber temperature display Cancel Input F06 and press ENT key to display 384 Change to 000 with key and key Press ENT key to store the value and revert to chamber temperature display Turn the power off then on to revert to 000 not stored in non volatile memory Note 384 is stored ...

Page 19: ... later 060 60min later 030 30min later Alarm resume time buzzer is OFF by pressing BUZZER key 100 OFF 140 40min later 110 10min later 150 50min later 120 20min later 160 60min later 130 30min later initial value F32 Purpose Display of fan motor accumulation time Operation Input F32 and press PV SV key to display F32 and 000 in case accumulation time is a month or less alternately Cancel Press PV S...

Page 20: ...tor locked E15 5 Temperature to judge failure Temp sensor 50 0㷄 or higher with E01 displayed open circuit 170㷄 or lower with E02 displayed short circuit Comp protect sensor 50㷄 or lower with E05 displayed open circuit 70㷄 or higher with E06 displayed short circuit 60㷄 or higher with E15 displayed fan motor locked 40㷄 or lower with E15 goes off 11 Timer operation Compressor should stop operation fo...

Page 21: ...re display area䇽 Display PCB 䇼Back side of control panel䇽 Back up test SW AT type only Back up SW AT type only Battery SW Power SW Control panel Power SW Temperature recorder AT type only 䇼Temp control PCB䇽 Battery Power transformer Buzzer SW Switch PCB Parts layout ...

Page 22: ...ing fan motor Cover for claster 䇼Lower part of back side䇽 Claster Expansion tank Running capacitor Starting relay Temp control relay 䇼Lower part of back side䇽䇼Electric BOX䇽 Starting capacitor Power cable Remote alarm terminal Comp protect sensor Compressor ...

Page 23: ... 2H䋨220V50Hz䋩 1 2H䋨220V60Hz䋩 1 2H䇭 Pull up䋩 AT30㷄 Pull down Temperture䇭䋨220V60Hz䋩 110 90 70 50 30 10 10 30 50 0 1 2 3 4 5 6 7 Time hour Temperture 㷄 1 2H䋨220V60Hz䋩 EVA OUT䋨220V60Hz䋩 EVA IN䋨220V60Hz䋩㪘㪫㪊㪇㷄㩷㪧㫌㫃㫃㪄㪻㫆㫎㫅㩷㩷㪫㪼㫄㫇㪼㫉㫋㫌㫉㪼䇭䋨㪉㪊㪇㪭㪌㪇㪟㫑䋩 110 90 70 50 30 10 10 30 50 0 1 2 3 4 5 6 7 Time hour Temperture 㷄 1 2H䋨220V50Hz䋩 EVA OUT䋨220V50Hz䋩 EVA IN䋨220V50Hz䋩 ...

Page 24: ...0V60H䌺䋩 0 0 5 1 1 5 2 2 5 3 3 5 0 1 2 3 4 5 6 7 Time hour Pressure MPa Pd䇭䋨220V60Hz䋩 Ps䇭䋨220V60Hz䋩 AT35㷄䇭Pull down Pressure䇭䋨220V50Hz䋩 0 0 5 1 1 5 2 2 5 3 3 5 0 1 2 3 4 5 6 7 Time hour Pressure MPa Pd䇭䋨220V50Hz䋩 Ps䇭䋨220V50Hz䋩 abs abs ...

Page 25: ... 4 5 6 7 Time hour Input W 0 1 2 3 4 5 6 7 8 9 10 Current A Input䇭䋨220V60Hz䋩 Current䇭䋨220V60Hz䋩 AT35㷄䇭Pull down䇭Current Input䋨220V50Hz䋩 0 50 100 150 200 250 300 350 400 450 500 0 1 2 3 4 5 6 7 Time hour Input W 0 1 2 3 4 5 6 7 8 9 10 Current A Input䇭䋨220V50Hz䋩 Current䇭䋨220V50Hz䋩 ...

Page 26: ...eference data 㪝㪩㪦㪥㪫㪟㪮㪛㪫㪦㪧㪩㪠㪞㪟㪫㪣㪜㪝㪫㪌䋦㪛㪌䋦㪛㪈㪆㪉㪛㪈㪆㪉㪛㪌䋦㪮㪌䋦㪮㪈㪆㪉㪮㪈㪆㪉㪮㪈㪉㪊㪋㪌㪬㪧㪧㪜㪩㩷㪧㪦㪠㪥㪫㪝㪩㪦㪥㪫㪙㪘㪚㪢㪎㪐㪏㪈㪇㪍㪤㪠㪛㪛㪣㪜㩷㪧㪦㪠㪥㪫㪩㪠㪞㪟㪫㪈㪌㪈㪈㪈㪊㪈㪉㪈㪋㪣㪦㪮㪜㪩㩷㪧㪦㪠㪥㪫㪝㪩㪦㪥㪫㪙㪘㪚㪢㪫㪦㪧㪙㪦㪫㪫㪦㪤㪌㪇㫄㫄㪟㪌㪇㫄㫄㪟㪣㪦㪮㪜㪩㩷㪧㪦㪠㪥㪫㪬㪧㪧㪜㪩㩷㪧㪦㪠㪥㪫㪤㪠㪛㪛㪣㪜㩷㪧㪦㪠㪥㪫㪈㪆㪉㪟㪈㪆㪉㪟 ...

Page 27: ...2 84 4 81 8 2 6 79 3 84 5 81 9 2 6 㽾 78 3 83 0 80 7 2 4 78 1 83 2 80 7 2 6 㽿 79 1 84 9 82 0 2 9 79 1 85 3 82 2 3 1 㾀 79 1 84 1 81 6 2 5 79 3 84 3 81 8 2 5 Average 80 4 80 4 Max Min Mid of cycle Differential Max Min Mid of cycle Differential 㽲 74 1 83 9 79 0 4 9 73 5 84 6 79 1 5 6 㽳 74 6 83 5 79 1 4 5 74 2 84 1 79 2 5 0 㽴 74 6 81 8 78 2 3 6 74 2 82 2 78 2 4 0 㽵 75 0 84 5 79 8 4 8 74 4 85 1 79 8 5 3...

Page 28: ...6 74 0 71 8 2 2 69 6 73 7 71 7 2 1 㽾 68 4 72 6 70 5 2 1 68 4 72 4 70 4 2 0 㽿 69 5 74 7 72 1 2 6 69 6 74 6 72 1 2 5 㾀 69 2 73 5 71 4 2 2 69 1 73 1 71 1 2 0 Average 70 4 70 4 Max Min Mid of cycle Differential Max Min Mid of cycle Differential 㽲 63 7 74 8 69 3 5 6 63 4 75 0 69 2 5 8 㽳 64 2 74 6 69 4 5 2 64 2 74 9 69 6 5 4 㽴 64 4 73 0 68 7 4 3 64 2 73 3 68 8 4 6 㽵 64 6 75 5 70 1 5 5 64 4 75 7 70 1 5 7...

Page 29: ...㫄㫇㪅㪲㷄㪴㪪㪭㪄㪏㪇䇭㽶㪪㪭㪄㪏㪇䇭㽻㪪㪭㪄㪏㪇䇭㾀㪪㪭㪄㪎㪇䇭㽶㪪㪭㪄㪎㪇䇭㽻㪪㪭㪄㪎㪇䇭㾀㪘㪫㪊㪇㷄䇭㪌㪇㪟㫑㪄㪏㪍㪄㪏㪋㪄㪏㪉㪄㪏㪇㪄㪎㪏㪄㪎㪍㪄㪎㪋㪄㪎㪉㪄㪎㪇㪄㪍㪏㪄㪍㪍㪄㪍㪋㪇㪈㪇㪉㪇㪊㪇㪋㪇㪌㪇㪍㪇㪎㪇㪏㪇㪫㫀㫄㪼㪲㪤㫀㫅㪴㪚㪿㪸㫄㪹㪼㫉㩷㫋㪼㫄㫇㪅㪲㷄㪴㪪㪭㪄㪏㪇䇭㽶㪪㪭㪄㪏㪇䇭㽻㪪㪭㪄㪏㪇䇭㾀㪪㪭㪄㪎㪇䇭㽶㪪㪭㪄㪎㪇䇭㽻㪪㪭㪄㪎㪇䇭㾀㽶㩷㪪㪭㪄㪏㪇㽻㩷㪪㪭㪄㪏㪇㾀㩷㪪㪭㪄㪏㪇㽻㩷㪪㪭㪄㪎㪇㽶㩷㪪㪭㪄㪎㪇㾀㩷㪪㪭㪄㪎㪇㽶㩷㪪㪭㪄㪎㪇㽻㩷㪪㪭㪄㪎㪇㾀㩷㪪㪭㪄㪎㪇㽻㩷㪪㪭㪄㪏㪇㽶㩷㪪㪭㪄㪏㪇㾀㩷㪪㪭㪄㪏㪇 ...

Page 30: ...㪼㫄㫇㷄㪴㪪㪭㪄㪏㪇䇭㽶㪪㪭㪄㪏㪇䇭㽻㪪㪭㪄㪏㪇䇭㾀㪪㪭㪄㪎㪇䇭㽶㪪㪭㪄㪎㪇䇭㽻㪪㪭㪄㪎㪇䇭㾀㪘㪫㪉㪇㷄䇭㪍㪇㪟㫑㪄㪏㪍㪄㪏㪋㪄㪏㪉㪄㪏㪇㪄㪎㪏㪄㪎㪍㪄㪎㪋㪄㪎㪉㪄㪎㪇㪄㪍㪏㪄㪍㪍㪄㪍㪋㪇㪈㪇㪉㪇㪊㪇㪋㪇㪌㪇㪍㪇㪎㪇㪏㪇㪫㫀㫄㪼㪲㪤㫀㫅㪴㪚㪿㪸㫄㪹㪼㫉㩷㫋㪼㫄㫇㪅㪲㷄㪴㪪㪭㪄㪏㪇䇭㽶㪪㪭㪄㪏㪇䇭㽻㪪㪭㪄㪏㪇䇭㾀㪪㪭㪄㪎㪇䇭㽶㪪㪭㪄㪎㪇䇭㽻㪪㪭㪄㪎㪇䇭㾀㾀㩷㪪㪭㪄㪏㪇㽶㩷㪪㪭㪄㪎㪇㽻㩷㪪㪭㪄㪎㪇㾀㩷㪪㪭㪄㪎㪇㽶㩷㪪㪭㪄㪏㪇㽻㩷㪪㪭㪄㪏㪇㾀㩷㪪㪭㪄㪏㪇㽶㩷㪪㪭㪄㪎㪇㽻㩷㪪㪭㪄㪎㪇㾀㩷㪪㪭㪄㪎㪇㽶㩷㪪㪭㪄㪏㪇㽻㩷㪪㪭㪄㪏㪇 ...

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