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Service Manual Biomedical freezer

1. PCB Test data P Parts layout one User s manual 211111111111111111111111111111111111111111111411111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111141111111111111111 O 11 12 13 14 15 16 17 18 20 21 28 29 30 31 32 41 44 B HFC refrigerant Refrigerant circuit contains HFC refrigerant that effect to environment little Latest cooling system reduces negative factor to global environment With ambient temperature shown at 35 C while temperature inside chamber maintains 35 C PCM structure PCM structure reduces amount of organic solvent Easy operation Balance hinge have better safety and operation on door opening closing Display panel and keypad settled in upper part of unit which makes operation easily Specification unified Unified specification for same categories which also unify performance for high low temperature alarm SV is changeable in the range 5 2 15 C power failure alarm remote alarm terminal setting memorization by non volatile memory Self diagnosis function Abnormal condition for temperature sensor is indicated by self diagnosis system Validation Control panel enables zero 0 adjust for validation Various function mode Specification MDF 136 Rigid polyurethane
2. SANYO SANYO Electric Biomedical Co Ltd Biomedical freezer MDF 136 MDF 236 MDF 436 MDF 236 5 7210138 Effective models This service manual is effective following models Model code Voltage and Frequency MDF 236 MDF 136 MDF 436 823 165 53 823 16561 823 16562 LLL 230V 50Hz 110V 60Hz 82316761 82316762 1 1 1 1 Contents UM Specification 136 WRITE e P c Dimensions MD E 4908 ee UDE CE MU LIE ns Refrigeration CIR CU iE c I Refrigeration circuit principle diagram MDF 136 Refrigeration circuit welding pointsMDF 136 Refrigeration Circuit principle diagramMDF 236 Refrigeration circuit welding pointsMDF 236 s Refrigeration circuit principle diagram 436 Refrigeration circuit welding pointsMDF 436 n Specification of electrical parts Specification of sensor sn e Control specific cation S mr Wiring diagram 44444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444144 Circuit diagram Connection on Components on PCB
3. O 11 12 13 14 15 16 17 18 20 21 28 29 30 31 32 41 44 Specification of electrical parts MDF 136 236 fem Type C 2sNiOLOS 7 c2sNi7otes Code 807675201 807675261 220 240 220 nding resistance C msg 3549 2 2 d C R Main 290 11 30 Starting relay Type AMVL 300A AC7OV 99 V 5 217 60H2 Aco5 115V 215 232 AC20 55V 120 60Hz AC25 60V AC69 132 Overload relay Type P15KU P80KU Action to the temp No current 150 10 150 8 Action to the current AT25 C 15 5A 8A Operation time 6 15 seconds 67 15 seconds 3 8A more than 2 35A more than Non Action 30 minutes 30 minutes 85 10 85 10 Action 5 1A within 15 minutes 3 1A within 15 minutes Starting capacitor Rating 100 u F 160VAC 20 u F 300VAC Rating 5 u Power relay Type G4F 11123T_ att tz 220 2 220 20 Switching power supply AC110 115V 60Hz AC220 240V 50 60Hz i DC12V DC12V Type ZWS10 12 J ZWS10 12 J Input AC100 240V 50 60Hz 0 3A AC100 240V 50 60Hz 0 3A DC12V 0 85A DC12V 0 85A Temperature sensor Type 502 1 502 1 Rating 5k Q 25 5k Q 25 C PCB ne DF 236 DF 236 Type 5HR AAC Ni MH Rating 6V 1100mAH 215131 215131 Rating _ 250 15 250 15A PERS ER i T 5 2 5 9 gt 5 o e c o lt o
4. ANO 6 39 LM Ee UN 1 TE 737 3141 7 E 0312 YOLLIVdVO 9NIINVIS A sf i 133208 0S22VY HOETAS gt yayvaua AVIAN 7 0 A 80112 4 2 E 9113915 AY134 3081NO2 oONI1UVI1S5 FONHILNOS UE diii Ayay 1 0 9431 i YOSS3YdNOD 18 05 SS3NUVH big af 4 Au311VB8 ONINNnH MEL I AINO 9 p 30K 183 June I 303 SNIBSIIAS 2 erg ir 1 NOI ido 1 d HOLIMS QuYOB 32V3831N AH311V8 cz STH 9 I s X De d l 98 330 2s i Ag TT uiuva 22 48 dd da aeania gv cz NEN s i i H231l S A 1 Pic I 1 Bide Ec Bee ee TWNIWHSE lt lt wayay 310w3 E Uu 1 1 m 1 8N23 IND ay NO 1 1 dO a PS ye ae be QNVOG 1102812 I N WNIWSSL H 2 21 qlONLINOO dW31 oH l o gt gt oT E E E EY HdJQ0HO23U 5 anil j b m a m 22625 H SsaNUVH gt gt i xe ia A Ao Hii j 4
5. 15 42 25 l 15 252 801140 087 MIM l I Zo u3zzna L 98 08 32V3831N1 I jeu zm E L L J SS3NuVH i OZ jo ool 110591 i t mol Li 7510 lz i 2 Ut Lo I om 1871 8 e bw Bw d om zm 961 06299 U to i HOLIAS 93908 1102812 EV 521 u3xv3H8 AW1d610 D t lt md 432208 3 es6erp Buran Tm 66 05835 3 AUALIVD 8 E A 4 lt 42 1 gt 52 27 53 gt GK 19510 E 1 Esci wee DIO D 2 212 215 lt 2 4 i e ja 2 E 5 e le jw gt p 1 c spar Ba ife pa feto a lta gt e j ba a fe nee AX id GZ gt B Hp TIP U CU m LE LEE evum DODDOD DDD 50 0189 FIG Y 0 0189 210 v830 0188 014 yso 01688 94 nm m R aed J Ed 1 LI Esa BJE fe 2 ep Tazi k 330 O sns 2 gt 1531 NuvY OY 21
6. O 11 12 13 14 15 16 17 18 20 21 28 29 30 31 32 41 44 Parts layout Door hinge cover Control panel 41 Door hinge cover removed Eli eiii T pae dmt ind attt IN f 1 amp P T iho i Nee A 14 AES ka ta HT a ss Control panel removed 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 Recorder connection terminal Recorder cover removed 42 Contents UM Specification 136 WRITE e P c Dimensions MD E 4908 ee UDE CE MU LIE ns Refrigeration CIR CU iE c I Refrigeration circuit principle diagram MDF 136 Refrigeration circuit welding pointsMDF 136 Refrigeration Circuit principle diagramMDF 236 Refrigeration circuit welding pointsMDF 236 s Refrigeration circuit principle diagram 436 Refrigeration circuit welding pointsMDF 436 n Specification of electrical parts Specification of sensor sn e Control specific cation S mr Wiring diagram 444444444444444444444444444444444444444444444444444444444444444444444444
7. H 38 Pd 60Hz Final Pd 50Hz Final J Ps 50Hz Final Ps 60Hz Final ET Ps MPa 4 consumption and curreent Maximum power consumption and current Ambient temperature 35 C MDF 136 W R m 220 60 185 09 MDF 236 V H MDF 436 V iis 60 220 220 39 5 Temperature uniformity and fluctuation test data Measureing condition Ambient temperature 35 C No load Measureing method Air temp Measureing points As below MDF 136 Top Measureing points 90 2400 29 3 35 4 19 6 246 30 0 37 8 Uniformity Range 1 0 09 09 27 Fluctuation of measuring point 6 MDF 236 Top Measureing points 6D 1 80 22 7 28 0 34 7 0 185 22272687 35 3 85 232 28 6 35 2 95 2441 29 5 36 6 C C 11235 29 0 36 0 C 192 23 6 29 1 36 1 O 719 9 24 2 29 5 37 0 11941 23 8 29 4 36 8 Uniformity Fluctuation of measuring point 5 MDF 436 Top Measureing points 213 252 29 4 35 2 0 21 3 251 29 5 347 4 253 29 5 347 216 252 30 0 36 8 22 5 26 0 300 37 1 22 7 26 2 300 37 1 040 1227 2611 29 6 37 8 4064 7 1228 26 2 29 7 37 8 29 23 0 26 3 29 9 37 7 Uniformity Fluctuation of note These data are refer
8. available during alarm test Error code E09 and internal temperature are displayed alternately Contents UM Specification 136 WRITE e P c Dimensions MD E 4908 ee UDE CE MU LIE ns Refrigeration CIR CU iE c I Refrigeration circuit principle diagram MDF 136 Refrigeration circuit welding pointsMDF 136 Refrigeration Circuit principle diagramMDF 236 Refrigeration circuit welding pointsMDF 236 s Refrigeration circuit principle diagram 436 Refrigeration circuit welding pointsMDF 436 n Specification of electrical parts Specification of sensor sn e Control specific cation S mr Wiring diagram 44444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444144 Circuit diagram Connection on Components on PCB PCB Test data P Parts layout one User s manual 211111111111111111111111111111111111111111111411111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111141111111111111111
9. T esas LI u3zzna B 1 Ft t 01108 301 V ii TEL E ELE lt O omy cas ri al je jal io x oor agp usi re 21 21 15 ENS e p ur HE 34470 1639 i j W3 135 T ss i 390 3710 0 052 ge it 131 12 s 8 5 sio7o eea HHA tae I 341070 ez3 B 527 Le BP a 10670 B LI gt bieli bilip lt gt Joo fre zx M qe zou pane p m an EE eae 822887 en KQ aaa PCI J AYT3U4 Y3JLYIJH AV 134 1941802 310N3H o2 TY 333 nj P1 a E A gt lt uno Connection JII The following shows connections of connector CN on control PCB Battery 1 12VDC 2 GND To supply the power to PCB Notused x o Remote alarm contact output Remote alarm terminal With no alarm occurred and power 1 supplied contact between 1 2 is 2 N C when the power is not supplied open 3 the power is not supplied z 1 amp 2 is connected to remote alarm contact Heater relay coil 1 12 relay is ON 2 ON OFF for heater relay 3 6 not used Display PCB CN51 To connect with each switch Display PCB CN52 To connect with each LED sensor 1 6 n
10. and defrosting set alarm recovery time During alarm is performed and buzzer sounds press BUZZER key to stop buzzer sound and remote alarm perform After alarm recovery time is passed and alarm still remains buzzer will sound and remote alarm will perform again Setting method In F25 displayed press SET key to show current recovery setting time with second digit brinks Press 2 key to turn large number in second digit Press SET key to memorize recovery time then return to PV display It is available to set recovery time as 10min 20min 30min 40min 50min 60min With set as 000 alarm recovery is not performed 96 11 Diffrential COMP ON OFF point for program COMP ON higher than SV 0 0 C COMP OFF lower than SV 0 6 C 12 Offset value The function is to correct differential value between temperature of temperature sensor and internal 1 2H Temperature indicated by temperature sensor is 2 0 C as offset value 13 Remote alarm During normal operation Remote alarm contact is OPEN During alarm or power failure Remote alarm contact is CLOSE 9T Contents UM Specification 136 WRITE e P c Dimensions MD E 4908 ee UDE CE MU LIE ns Refrigeration CIR CU iE c I Refrigeration circuit principle diagram MDF 136 Refrigeration circ
11. foam Insulation RU 1050 Foam R 142b R 22 Outer door Zinc galvanized steel w powder polyester coating new bio gra Balance hinge 2 pcs CWVS3300 1 53345 1 pc 1 pc Action stroke 10mm Hard steel wire PE coating 2 pcs Max 5 pcs Plate 2 pcs Others Defrosting spatula 1 pc card holder 1 pc key 1 set 4 pcs Front amp rear movement wheels Leveling legs 2 pcs in front side 17mm 1 places in right side of access hole and 2 in left side of bottom of recorder sensor access hole Chart recorder MTR 4014LH MTR G85 Option Basket MDF 13B2 2 pcs 13 3 3 pcs Weights 45 Kg Basket Accessories Specification Internal temp control range 20 C 35 AT 5 C 35 C No load Temperature mE dC Microprocessor controlled system with non volatilized memory Temp set range 18 40 Temperature sensor Thermistor Temperature display High Low Changeable SV 5 C 15 Initial SV 10 Temperature ALARM lamp brinks and buzzer sounds intermittently about 15 min delay Remote alarm contact turns ON with buzzer sounds contact turns ON Remote alarm terminal 2P contact capacity DC30v 2A Remote ing temperature alarm power failure alarm alarm test ON ALARM lamp BUZZER Buzzer key ALARM TEST Alarm test key SET To switch the SV and PV Control panel gt To shift the set digit To change the SV DEF Defrost key Battery switch Po
12. temperature performance in the range of SV 5 C 15 C initial value 10 set value of low temperature performance in the range of SV 5 C 15 C initial value 10 C o set compressor time lag performed only with main power supplied and microcomputer reset The function 1s to reduce numbers of units start up at the same time that cause compressor s start up failure or users breakers blow out after power failure The range of time lag is 1 15 minutes On factory outgoing initial value set at minute With F10 performed to memorize the initial value 1 minute Before 10 is performed time lag set at seconds Therefore the time lag is 3 seconds when PCB replacement is performed by service 94 F06 Put service code with 4 key key when F07 and following functions would be performed Press SET key to memorize service code to enter function mode again to perform F07 or bigger figure functions In special case F21 F22 F25 changes communication parameter without input any service code Service code 384 Note Above code is memorized unless input 000 again with F06 displayed or turn main power OFF F07 To set 0 adjustment of temperature control sensor setting range 9 9 9 9 Setting method In F07 displayed press SET key to display 00 0 initial value Set temperature with 4 key and gt gt key and press SET key again to memorize set value Inp
13. 35 C CN TT T 20 30 40 9 Time scale H MDF 236 PULL UP 1 2 AIR AT35 C Au CN CN I e 9 Time scale H 35 Internal temperature C 40 30 20 10 30 MDF 436 PULL UP 1 2 AIR AT35 C e 2 3 Time scale H o gt 3 0 2 5 2 0 0 5 0 0 3 0 2 5 2 0 0 5 0 0 3 Pul down pressure MDF 136 Pull down pressure AT 35 Pd 60Hz Peak Pd 60Hz Final 1 0 Pd 50Hz Peak Pd 50Hz Final Ps MPa Pd 50Hz Pd 60Hz Ps 50Hz Ps 60Hz Ps 50Hz Final Ps 60 2 Final 0 1 2 3 4 5 6 Time scale H 0 5 Ps 50Hz Peak Ps 60Hz Peak 0 0 Pd Pressure of discharge Ps Pressure of suction MDF 236 Pull down pressure AT 35 C Pd 60Hz Peak Pd 60Hz Final Pd 50Hz Peak Pd 50Hz Final Ps 50Hz Peak Ps 50 2 Final Ps 60Hz Peak Ps 60Hz Final 0 1 2 3 4 5 6 Time scale 37 Ps MPa 3 0 2 5 2 0 1 5 1 0 0 5 0 0 MDF 436 Pull down 35 C d 50Hz Peak Pd 60Hz Peak Ps 60Hz Peak Ps 50Hz Peak 3 4 Time scale
14. 44444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444144 Circuit diagram Connection on Components on PCB PCB Test data P Parts layout one User s manual 211111111111111111111111111111111111111111111411111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111141111111111111111 O 11 12 13 14 15 16 17 18 20 21 28 29 30 31 32 41 44 Remote alarm Main power SW Terminal for MTR 480 Option Remote alarm Battery SW Battery Illuminated on power failure alarm DP 1 SPORT EPPS PERE TPT TE Illuminated on compressor running DP2 43
15. 64 11123 220 20 ____ 220 20 pow o Switching power supply Type ZWS10 42 J Input AC100 240V 50 60Hz 0 3A Rated output DC12V 0 85A DC12V 0 85A Temperature sensor 502AT 1 502AT 1 Rating 5k Q 25 C 5k Q 25 C PCR fe DF 436 Dr 436 Type 502 1 Rating 5kQ 25 Type Rating 6V 1100mAH Type SLEGA25 SLEOA25 Rating AC250V 4A Type 215131 Rating 250 15 FL2 CO21R5MP Rating AC110 115V 50 60Hz 220 240V 50 60Hz Thermal fuse 130 C 130 C Condensing fan motor Specifications of sensor The following show temperature and resistance characteristics on each thermistor sensor type 502 Temperature Temperature Temperature C C k9 oe we me rs gm we o mm o ws o _ f me s wa s 29 _ e 2 7 9 9 2 4 _ ow ome s sew s w w me s w o o o s m eo 90 Control specification II lt MDF 136 236 436 gt 1 Key and switch BZ When alarm lamp is blinking and buzzer sounds buzzer and remote alarm Output Force to turn off Buzzer is not turned off during alarm test When alarm lamp is blinking and buzzer is off buzzer will not turn on When press this key during power failure current temperature is displayed for 5 seconds SET Press once to setting mo
16. P lt 4 10 5 0 5 5 9 o 1D 5 z a 8 2 B 5 lt Qi S C1 e e D T N N I gt o IN p gt gt Specification of electrical parts MDF 436 AC110 115V 60Hz AC220 240V 50 60Hz C 2sN350L0R_ c 2sNssoLss Code 807763251 220 240V 220V inding resistance C 30 69 c RMain hoo dee AMVL 300A acowv ttiv _ actssv 217v 60Hz AC108 120V C215 232V 0 6 77 0 420 gt 2 gt c 5 5 n JO 9 5 Cn 2 2 18 T p IN d gt 0 X o lt 9 m to e L N 60Hz AC30 75V 69 132 P24KU P10MU Action tothetemp Nocurent OFF 150 10 C ON 85 10 C Action to the current AT25 C 24 0A 10A Overload relay 130 8 69 10 79 m lt to Q L N peration time 6 15 seconds 6 15 seconds 6 1A more than 2 5A more than Non Action 30 minutes 30 minutes Action 8 0A within 15 minutes 3 4A within 15 minutes Starting capacitor Hating 100 u F 160VAC 30 u F 300VAC Running capacitor Hating 25 u F 220VAC 5 u F A00VAC I C o 2 m o m m D 3 O O IO 5 5 O em C lt Z 5 Rowe Tela Type 64 11123 ___
17. R G85 Option Basket MDF 43B2 2 pcs MDF 43B3 3 pcs Weights 71 Kg Basket Accessories Specification Internal temp control range 20 35 AT 5 C 35 C No load Microprocessor controlled system with non volatilized memory Temp set range 18 40 Temperature sensor Thermistor Temperature display pid High Low Changeable SV zc 5 C 15 Initial SV 1 0 C Temperature ALARM lamp brinks and buzzer sounds intermittently about 15 min delay Remote alarm contact turns ON with buzzer sounds contact turns ON Remote alarm terminal 2P contact capacity DC30V 2A COM During temperature alarm power failure alarm alarm test ALARM lamp BUZZER Buzzer key ALARM TEST Alarm test key SET To switch the SV and PV Control panel gt To shift the set digit To change the SV DEF Defrost key Battery switch Power switch for power failure alarm Kev lock function Press gt key for five seconds d LO Unlock L1 Lock When temperature sensor is in fault Error code 01 02 and internal temperature are displayed alternately When compressor protect sensor is in fault Error code E03 E04 and internal temperature are displayed alternately oelf diagnosis function When temperature of compressor abnormally rises Error code E10 and internal temperature are displayed alternately When buttery switch OFF check is in fault
18. de and press again to memorize the set value It works as ENTER key DEF In PV display keep pressing the key over 5 seconds to start defrosting During defrosting press the key to quit defrosting During defrosting internal temperature and dF is displayed Alternately During defrosting high low temperature alarm is cancelled When sensor error is occurred during defrosting error code and internal temperature is displayed alternately and dF display is turned off During defrosting only buzzer key is acceptable ALARM TEST Keep pressing the key over than 5 seconds in PV display it will be start alarm test Press again then quit alarm test During alarm test alarm lamp will blink buzzer will sound intermittently and remote alarm contact will turn on Digital display will be turned off During alarm test only alarm test key is acceptable During setting mode shift between the first digit and the second digit In PV display keep pressing the key over 5 seconds to enter the key lock mode LO display 2 During setting mode count up the blinking digit In PV display keep pressing the key over 5 seconds to enter the function mode F00 display l emperature control Setting range 18 C 40 C Display range 50 C 50 C setting method Press SET key and set the required value with 2 key and Key Press SET key again to memorize the set value And then return to PV display Out of sett
19. ence only measuring point 5 Range 1 5 1 0 0 6 16 gt 40 Contents UM Specification 136 WRITE e P c Dimensions MD E 4908 ee UDE CE MU LIE ns Refrigeration CIR CU iE c I Refrigeration circuit principle diagram MDF 136 Refrigeration circuit welding pointsMDF 136 Refrigeration Circuit principle diagramMDF 236 Refrigeration circuit welding pointsMDF 236 s Refrigeration circuit principle diagram 436 Refrigeration circuit welding pointsMDF 436 n Specification of electrical parts Specification of sensor sn e Control specific cation S mr Wiring diagram 44444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444144 Circuit diagram Connection on Components on PCB PCB Test data P Parts layout one User s manual 211111111111111111111111111111111111111111111411111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111141111111111111111
20. form DEF 6 Power failure alarm When power failure 1s occurred power failure alarm will be turned on by battery switch inside units During power failure alarm alarm lamp 1 blinking digit display turns off buzzer sounds intermittently and remote alarm output turns ON Press BZ key to turn power failure alarm buzzer OFF Press BZ key to check PV PV will be displayed for 5 seconds During power failure alarm any but BZ key is available 7 Alarm test The function 1s to check performance for alarm lamp buzzer and remote alarm In PV display press ALARM TEST key to blink alarm lamp to sound buzzer intermittently to turn remote alarm on Without time lag Digital display will be turned off During alarm test any but ALARM TEST key is available During alarm test turn buttery switch OFF to display error code E09 During alarm test error code E09 takes priority over other error codes to display Notes Above power failure alarm is performed with buttery switch ON and charged With buttery switch OFF or discharged only remote alarm is performed Power failure alarm will be performed for 12 hours continuously with buttery full charged Running freezer for 2days to charge buttery fully 8 Auto return function During setting mode key lock mode and function mode with any key not pressed for 90 seconds value will not be memorized to return to PV mode automatically Note In F09 and F10 line test mode displayed Auto return function w
21. ill not be performed 9 Compressor time lag During cycle time turn compressor ON to be forced turn OFF after 2 minutes 93 10 Function mode Functions are as follow 00 01 F02 F03 F04 F05 F06 F07 F08 F09 F10 F11 F12 F13 F14 F15 F16 F17 F18 F19 F20 F21 F22 F25 To return to PV display use in case entered by mistake To change temperature of high temperature alarm To change temperature of low temperature alarm Not functioned Not functioned To set compressor time lag To input service code 384 To set temperature zero adjustment 9 9 C differential value input Not functioned Line test mode Maximum cooling test Line test mode program No functioned To display temperature of temperature control sensor per 0 1 C To display temperature of compressor protect sensor per 1 C Not functioned Not functioned Not functioned Family type code 001 MDE 186 236 002 MDF 436 Not functioned Not functioned Not functioned To set communication ID 000 255 To set communication mode To set alarm reset time applied for each models from S N 020001 and after Setting method In PV display keep F3 key pressing over 5 seconds to enter function F00 FOI F02 F05 mode and will be displayed F00 Press 2 key to input required function code then put SET key It is not functioned In F00 displayed press SET key to return PV display set value of high
22. ing range Change to out of setting range value and press SET key for 1 second continuously 9 lt Alarm gt High temperature alarm When the internal temperature is higher than SV 5 C 15 C alarm lamp digital display is blinking After 15min later buzzer will sound and remote alarm output will turn ON initial value 10 C Low temperature alarm When the internal temperature is lower than SV 5 C 15 C alarm lamp and digital display is blinking After 15min later buzzer will sound and remote alarm output will turn ON initial value 10 C Setting method Keep pressing 2 key over 5 seconds to enter function mode F00 Then press the key to count up value The value 01 means to enter high temperature alarm value F02 means to enter low temperature alarm value Set either FOT or then press SET key turn to alarm temperature setting mode to set required value with 4 key and 72 key Press SE T key again and memorize set value Out of setting range When press SET key with changed to out of setting range value buzzer sounds for continuously and keep the setting status 3 Defrosting In PV display keep pressing DEF key over 5 seconds it will be start defrosting The function is forced to turn compressor OFF Press again DEF key to quit defrosting Manual start and end 4 Self diagnosis function 01 Temperature sensor is open circuit E02 Temperat
23. lamp brinks and buzzer sounds intermittently about 15 min delay Remote alarm contact turns ON with buzzer sounds contact turns ON Remote alarm terminal 2P contact capacity DC30V 2A Remote COM During temperature alarm power failure alarm alarm test ALARM lamp BUZZER Buzzer key ALARM TEST Alarm test key SET To switch the SV and PV Control panel gt To shift the set digit To change the SV DEF Defrost key Battery switch Power switch for power failure alarm Press gt key for five seconds Secon LO Unlock 11 Lock When temperature sensor is in fault Error code E1 E2 and internal temperature are displayed alternately Remote alarm contact turns ON with buzzer sounds When buttery switch OFF check is in fault available during Self diagnosis function alarm test Error code E09 and internal temperature are displayed alternately Specification 436 Rigid polyurethane foam Insulation RU 1050 Foam R 142b R 22 Outer door Zinc galvanized steel w powder polyester coating New bio gra 53348 1 pc Hard steel wire PE coating 4 pcs max 11 pcs Plate 4 pcs Others Defrosting spatula 1 pc card holder 1 pc key 1 set 4 pcs Front amp rear movement wheels Leveling legs 2 pcs in front side 17 1 places in right side of access hole and 2 in left side of Access hole bottom of recorder sensor access hole Chart recorder MTR 4014LH MT
24. ot used Compressor protect sensor is used for 7 8 compressor protect sensor MDF 436 only 9 10 heater sensor To connect with power failure alarm buttery 30 DP54 2 TOP 45 Me 3 2 1 DPA 5 Er 9 5 amp rs ip L isa 5 zsa esa 5 lt q LL e 18 20 J7 452 gt gt 5 an SET CAL BOTTOM gt JFB 4 B101 050 00 BOARD J2 SER NO 453 A 455 457 454 BUZZER OEF TOP BOTTOM 455 ALARM TEST on in N N C 4 101 E DF 236 ne dL OR GNO cL Ex DE I ref 31 Testdata PULL DOWN SPEED PULL UP SPEED PULL DOWN PRESSURE POWER CONSUMPTION AND CURRENT TEMPERATURE UNIFORMITY AND FLUCTUATION TEST DATA Ole Se ru Note These test data are only reference 1 Pull down speed MDF 136 PULL DOWN 1 2H AIR AT35 C 50Hz 40 30 20 10 10 Internal temperature C o 20 30 0 1 2 3 4 5 6 Time scale H MDF 236 PULL DOWN 12H AIR AT35 C 50Hz Internal tenperature C Time scale HOUR MDF 436 PULL DOWN 1 2 AIR 35 50Hz 2 Time scale H 34 2 Pull up speed MDF 136 PULL UP 1 2H AIR AT
25. t memorized F12 Temperature of temperature sensor is indicated as per 0 1 From second digit to first decimal point 1s shown in display It is not shown in display when temperature is lower than 20 C Ex Actual temperature 35 C Display shows 35 0 C When temperature is within the range of 19 9 C 0 1 C is displayed 95 F13 Temperature of compressor protect sensor for 486 is indicated as per 1 C Range 50 110 C F17 Family type code setting 21 F22 F25 001 MDF 136 MDF 236 002 MDF 436 Method In F17 displayed press SET key to show initial value 001 Set value with F3 key and press SET key again to memorize value Followings are initial setting value Temperature setting value of internal chamber 30 Key lock mode 0 OFF High temperature alarm SV 10 C Low temperature alarm SV 10 C 0 adjustment 0 C for temperature sensor communication ID 000 communication mode 000 Set family type code as 002 for 436 to activate compressor protect mode which forced compressor to stop set serial communication ID Input range 000 255 Communication is OFF in 000 To set serial communication mode Control mode 3 digit 0 Local initial value Remote Baud rate 2 digit 0 2400bps initial value 1 4800bps 2 9600bps 1 digit is not used Note Set control mode as remote unable to change SV
26. uit welding pointsMDF 136 Refrigeration Circuit principle diagramMDF 236 Refrigeration circuit welding pointsMDF 236 s Refrigeration circuit principle diagram 436 Refrigeration circuit welding pointsMDF 436 n Specification of electrical parts Specification of sensor sn e Control specific cation S mr Wiring diagram 44444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444444144 Circuit diagram Connection on Components on PCB PCB Test data P Parts layout one User s manual 211111111111111111111111111111111111111111111411111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111141111111111111111 O 11 12 13 14 15 16 17 18 20 21 28 29 30 31 32 41 44 86 NVHOVIO 11008410 anaa 14911 9EY 952 9 1 JOH 1371014 i i 91517 3010 ONT SNZONOD Cae ki ava 4 SSINNVH H1UV3 De Lj WOVNIWNSE bk 2 SSSNUVH JONVHO Hluv3 H NAOUS A01134 usce Det ss
27. ure sensor is short circuit E083 Compressor protect sensor is open circuit MDF 436 only E04 Compressor protect sensor is short circuit MDF 436 only E09 Forget to turn battery switch ON or battery no charged available during alarm test E10 Compressor temperature is abnormal MDF 436 only When temperature sensor is open circuit display shows alternately E01 with 50 C When temperature sensor is short circuit display shows alternately E02 with 50 Self diagnosis of open circuit is done when it is lower than 60 for temperature exchange Self diagnosis of short circuit is done when it is higher than 60 for temperature exchange E09 is functioned only during ALARM TEST is performed In E10 is displayed it regards as abnormal when condenser temperature is higher than 100 C and as normal when lower than 65 C When it is lower than 65 E10 is regarded as normal 900 When numbers of error happened simultaneously error code of smallest digit will be displayed However E09 is displayed during ALARM TEST 5 Key lock function In PV display Keep pushing key over 5 seconds to enter key lock mode displaying with LO key rock ON D sex key rock OFF Then press SET key to memorize set value then return to PV display Note With key lock ON to enter SET mode but unable to change value With key lock ON to perform Function and ALARM TEST while unable to per
28. ut by differential value Ex With measured 28 5 Cat 1 2H of chamber and 30 Cat digital display shown add 1 5 28 5 30 to digital display F07 key enables to change only 0 and in second digit and to change Q 7 9 in first digit and first decimal 11 key enables to shift the second digit lt the first digit the decimal point the second digit F09 Line test mode This function 1 for arrival test and force to turn compressor ON in spite of any SV No time lag With E10 performed cause to force compressor stop E10 takes advantage Setting method In F09 is displayed digit is blinking press SET key to display alternately F09 with PV 90seconds auto return will be not functioned Cancellation Press SET key to cancel this mode to return to PV Note During F09 is performed high low temperature alarm is not available F10 Line test mode The function is to set SV at 30 C after 3 5hrs running at SV 45 Setting method In F10 is displayed with digit blinking press SET key to display alternately F10 with SV 90 seconds auto return will be not functioned Cancellation Automatically finish this mode after 3 5hours passed Press SET key to quit to return to PV Note Automatically SV is forced to set at 80 C in spite of any SV before 10 performed Set compressor time lag for 1 minute When main power turns off or power failure occurs during this mode the SV will be no
29. wer switch for power failure alarm Press gt key for five seconds Secon LO Unlock 11 Lock When temperature sensor is in fault Error code E1 E2 and internal temperature are displayed alternately Remote alarm contact turns ON with buzzer sounds When buttery switch OFF check is in fault available during Self diagnosis function alarm test Error code E09 and internal temperature are displayed alternately Specification MDF 236 Rigid polyurethane foam Insulation RU 1050 Foam R 142b R 22 Outer door Zinc galvanized steel w acrylic resin print coating Balance hinge 2 pcs CMVS3342 1 pc 10mm for action stroke Hard steel wire PE coating 3 pcs max 8pcs Plate 3 pcs Others Defrosting spatula 1 pc card holder 1 pc key 1 set 4 pcs Front amp rear movement wheels Leveling legs 2 pcs in front side 17mm 1 places in right side of access hole and 2 in left side of bottom of recorder sensor access hole Chart recorder MTR 4014LH MTR G85 Option Basket MDF 13B2 2 pcs 13 3 3 pcs Weights 24 Kg Basket Accessories Specification Internal temp control range 20 C 35 AT 5 C 35 C No load Temperature mE dC Microprocessor controlled system with non volatilized memory Temp set range 18 40 Temperature sensor Thermistor Temperature display High Low Changeable SV 5 C 15 Initial SV 10 Temperature ALARM

Service Manual Biomedical freezer

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