Home

Service Manual MDF-C8V1

1. Jdid says 3M0DYAMG H3SN3QONOO 9919 A89 S NVN95VIG JidIONI Ud IIRnONIO Components PCB 1927714 o LH O pJeoq oJjuoo GH L GND pJeoq Aejdsig OL CLE LH 9NO NOLLIONGI 1531 euiuJe ejoules CH L ENO 9545 O Bg Dg 00 906 10lB GdL uas uas T300W 00 90 1018 b 83L Idi nt d3Zzzn a dj SSAS Bs 30 T3GOW ctu T ENI U 8000 ue Wav T 1590 E 540 o R X201 9540 6 2 e 2640 0 B ogr 11 8 O ges Ol M 81 OL CH Vit VNO Josues dwoy 8st LSr i vT 6 d aa gsr NM 2190 8i 9 Ol 00 ES0 IDIB r G4y F J uas 1300M 01 ind 22 pon Aiddns samog 087 OL 9 Vif CH L ZNO TNO SH L ZNO 21 Sf 28 2 L0 28 T IdA e 5 o 019 213909 dL so guo le 2 2 n ar 4Lr 9 e Ig Iya N N 245 Asayyeg CH Vi 8NO ad Electric Parts MDF C8
2. 12 Control specifications 13 Parts layout 22 Test data 25 Pull up amp Pull down temperature Pull down temperature Pull down pressure Pull down current input Temperature uniformity 15points measured Instruction manual 34 Upon unit repair Be sure to collect refrigerant thoroughly and pull vacuum for 5 minutes at least before you repair the unit It may be caused fire in welding process by using R 600 You should use MU N49 for servicing Procedures for trial operation 1 Turn all the switches Power SW and Battery SW off beforehand 2 Connect the plug to outlet then turn Power SW on 3 Turn Battery SW on Note If you turn battery switch on prior to turn power switch on buzzer should be emitted until the unit is reached to setting temperature Specifications mStructural specifications W 550 685 83 xH945 mm Internal dimensions W 405 x D 490 x 425 mm Insulation Cabinet Rigid polyurethane foamed in place and VIP vacuum insulation panel Door Rigid polyurethane foamed in place 1pc also used as a latch 4pc 2 leveling foot HFC mixed refrigerant R245fa R600 R23 R14 Optional component Automatic temperature recorder MTR 85H MTR G85 Mounting kit for MT R 85H MDF S308
3. p ww m L Wiring Diagram POWER CORD T VO E W CNS2 2 L BL SENSOR 512521009 GN Y GN HARNESS o BREAKER Wis C SWITCH a 2 BK a CN51 SP AC250V 154A x EARTH 2 k Eg HARNESS DP HARNESS D CONTROL DISPLAY COMP BOARD BK IR SENSOR e j CN8 CN 2 o MAIN BOARD 2P BK P a c lt EL LET CNI3 10 R 3Pi wW eP BK i z0ay8s POWER SUPPLY I pA HARNESS AR OPTION 4 zo K cc G LLL O sx ices Si i aa ERR d aoe eg oes AM hh HARNESS REL INTERFACE BOARD BATTERY 6V TERMINAL MTR 480 OPTION iul mae HARNESS RS232C INTERFACE BOARD DSUB MTR 480 9 OPTION RR tlm SWITCHING Pea _ al POWER Tm munem TE Rs485 eae T E CONDENSING SUPPLY AA TERMINAL MOTOR 2 E e o hull mma la Fh ORE mH do m qe REMOOTE ALARM D s 3P TERMINAL eta tee COMPRESSOR CONTOR RECORDER STARTING io RELAY RELAY
4. 2 o N ante G O 2 1 1 awal 104100 OOP GEILHSL de bm og Io QNO 658 JAZZ Cv E dW31 Lnding SONY Jr ONS 1 DOF BE 1951 6 151 220 Ape s CHIO BSB XH 1 38Yx 8908 E PND E N3d0 2201 E QNO oN Z 36012 4201 QN9 a MYYTY 310N3u 9 on NI way ig 2 A8 QNYIS 402 8 GND wWiH38 T I 4 t I i 4 1 a KE 6 50 0185 i aane MEUM ra evsa alas 110 1 1 t 1 1 1 YS0 0188 510 1 EI m ea Ewsocotes ll EYSD OLHS 20 477 81H 34470 522 Too HERNA d 1 0 222 129 oj oj 1 10 5 05282 184 Vcr DC 5V RA 470 D33 SB10 05A3 ni 5810 0543 DC 12V a LAN Sci LL os d dd MA ee AA Ha LM LL LL LL LL LD DL ee ee HA GND e Low vaLTAGE 2 PT SENSOR 11 II Connections
5. 1 Following is the explanation of connections Main PCB Connects to Usage Voltage Switching power supply To supply the power to PCB 1 12V MTR 480 Option To connect with interface Remote alarm terminal 1 COM 2 3 Em 6 7 Buzzer E um Output for remote alarm contact 111 212 Display PCB CN52 To connect with each LED 8 Comp sensor To detect compressor temperature 2 6V 41 82 Battery supply the power to Main PCB during power failure CN11 1 3 Temp sensor To detect chamber temperature Control specifications 1 Key and Switch BUZZER ALARM TEST SET In alarm condition buzzer stops sounding with this key pressed Remote alarm output and alarm message would not be off During the power failure battery back up press the key to show chamber temperature With this key pressed to activate alarm test mode to be forcibly step into alarm condition ALARM lamp blinks intermittent buzzer sounds digital LED goes off and remote alarm inputs After approx 90seconds then normal condition retrieves with Auto Return activates With the battery switch turns off 09 blinks on the display Press this key once to activate set mode 2 9 digit in LED blinks press the key again to store the value to be changed With Key Lock setting mode L 0 or L 1 is displayed press the key to store the value to be changed During setting mod
6. SANYO Ultra Low Temperature Freezer MDF C8V1 SANYO Electric Co Ltd Biomedical Business Division o 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 N WARNING You are requested to use RoHS compliant parts for maintenance or repair You are requested to use lead free solder SM9910171 Effective models This service manual is effective following models Product code Voltage and Freguency MDF C8V1 823 012 51 115V 60Hz 823 012 52 220V 50Hz 823 012 53 220V 60Hz 823 012 54 220 230 240V 50Hz 823 012 55 220V 50Hz 823 012 56 110V 60Hz Contents Specifications 1 Structural specifications Control specifications Performance specifications Dimensions 7 4 Cooling unit parts 5 Cooling circuit 6 Components on PCB 7 Electric parts 8 Specifications of sensor 9 Wiring diagram 10 Circuit diagram 11 Connections on PCB
7. STARTING STARTING Y Y 2 CINE BRAEAKER RUNNN ING E EARTH BLUE GY GRAY JK Y YELLOW ae BR BL BLACK ORANGE WHITE POWER CORD GN Y BROWN PK PINK VIOLET EE GN Y GN GREEN RED d BL LIGHT BLUE l O EARTH T _ _ _ FRAME EARTH v v BL HARNESS C MDF C8V 1 FAN MOTOR ASSY 10 t Diagram ll Ir Cul MN LL LL LL LL UA m Le ALARM TEST E w Mg N gt e 11 1S 95 15 Sd DISPLAY PWB H31 113 3 5 18 jenass u1s 2640 NOIIIQNOJ 053 185133 052 158133 18 590 c 5 15 A307 Sa om Bark s 1 Hg 828 m 205 SN i i i i l 4000 i i 2 5 82751 EB202 32C 9Y R PWB Hd SN32 ANS T _ 1 51 eeu OOF SELYSL 420 920 OOr 6Belusi 520 01 1 z sey ago BND E 4 4
8. Set temp 80 0 C Function F03 Service code 384 Set value 004 Key Lock L O 3 Buzzer specifications Key operation Unacceptable input Decimal point of chamber temp 80 0 Sensor offset 4 9 Operation monitoring Con Error E01 Accumulation time 8H timer 135 A click emitted if available Alarming tone emitted for 1 second Parts layout lt Temp sensor 1000 gt Control panel W Opposite side of control panel Main PCB Switching power supply Control PCB Display PCB How to access the Main PCB 1 Catch the pick by screwdriver and pull the panel out Tr 2 Loosen tie band to set cables free Pull Electric BOX out carefully Tie band 2 lt back side Remote alarm Battery switch Compressor Lower left side Lower right side Electric Box Expansion tank Condensing Battery fan motor Temp control relay Starting relay Starting capacitor Power cord Running capacitor Breaker switch Test data Note These data are the reference only AT30 C Pull down amp Pull up Temperture emm 4 2 H 1 15V60Hz 40 1 2H 220V50Hz 41 2H 220V60Hz 1 2H Pull up 20 Temperture C N O 80 100 3 4 Time hour 25 Temperture C AT30 C Pull down Temperture 115V60Hz 2 115V
9. MIDDLE 5 LEFT 20900 MIDDLE 29 5 LOW lt Conditions gt Ambient temperature 20 30 C Note This data does not represent guarantee of product performance Load Unloaded lt Distribution data Temperature of the cycle in each area SV 80 C air temperature Unit Cc Ambient temperature 20 C 50Hz Minimum pus ol Differential Maximum Minimum pes ol Ambient temperature 30 C Minimum ol Differential Maximum Minimum pan ai Differential I oe A HH HH 79 lt Amount of power consumption gt Amount of power consumption when driving at cycle SV 80 C Unit kWh da 230v 421 504 _ Note This data does not represent a guarantee of product performance lt Conditions gt Ambient temperature 20 30 C Note This data does not represent a guarantee of product performance Load Unloaded lt Distribution data Temperature of the cycle in each area SV 70 C air temperature Unit C Ambient temperature 20 C _ Middle of Middle of Differential Differential Maximum Minimum Maximum Minimum Differential Maximum Minimum Maximum Minimum lt Amount of power consumption gt Amount of power consumption when driving at cycle SV 70 C Unit kWh da Ambient temperature 20 C Ambi
10. 5 Recorder sensor cover MTR C8 6 17mm back side bottom Back up system CVK UB4 Back up mounting plate MDF UBK Inventory rack IR 207C IR 305C means the dimension of projected area mControl specifications Cooling performance 80 C 1 2H temp AT 30 C no load Temperature control range 60 C 80 C AT5 30 C no load Temperature controller Microprocessor controlled system Key pad input Temperature set range 55 C 85 C 1 C increment Set value kept in non volatile memory Pt 1000 9 Temperature display LED digital display 1 C increment High temp Selectable 5 C 20 C for high temp alarm Initial 10 C ALARM lamp blinks and intermittent buzzer sounds with 15min of delay Remote alarm contact Normal Open rating 30VDC 2A Temperature alarm turns on during power failure not linked with buzzer Low temp Selectable 5 C 20 C for low temp alarm Initial 10 C ALARM lamp blinks and intermittent buzzer sounds with 15min of delay Alarms Remote alarm contact Normal Open rating 30VDC 2A Temperature alarm turns on during power failure not linked with buzzer Power failure ALARM lamp blinks with intermittent buzzer sounds remote alarm outputs Remote alarm 3P remote alarm terminal Maximum 30VDC 2A NC COM NO COM Outputs during temperature alarm and power failure alarm BATTERY lamp blinks when accumulation time is about 6 yrs Control panel Lamp ALARM BATTERY BUZZER Buzzer key ALA
11. 60Hz EVA IN 115V60hz EVA OUT 115V60hz Time hour Temperture C AT30 C Pull down Temperture 220V50Hz 2 220V50Hz IN 220V50Hz EVA OUT 220V50Hz Time hour Pressure MPa AT35 C Pull down Pressure 115 60 2 P 115V60Hz Ps 115V60Hz 1 1 a a 1 mm m mo m m 3 Time hour Pressure MPa AT35 C Pull down Pressure 230V50Hz 220V60Hz p 230V50Hz Pd 220V60Hz Ps 230V50Hz 220V60Hz Time hour 5 Pull down Current Input 115V60Hz Input 220V60Hz 450 400 350 300 z 5 250 5 200 150 100 e nut 115V60Hz Current 115V60Hz 0 0 1 2 3 4 5 6 7 Time hour AT35 C Pull down Current Input 230V50Hz 220V60Hz 500 10 450 9 m 017 m 8 350 ieee 300 6 lt rput 230V50Hz c i 200 150 100 50 Current 230V50Hz Current 220V60Hz eee eS RR 1 2 4 5 6 Time hour 4 MDF C8V1 Temperature Uniformity 15points measured Reference Data 50 FRONT 50 50 50Y0W HIGH
12. 70 SV 70 ET 0 10 20 30 40 50 60 70 8 Time minute
13. ET key to store the value and revert to chamber temperature display 000 Auto recovery OFF 040 Recovers after 40min passed 010 Recovers after 10min passed 050 Recovers after 50min passed 020 Recovers after 20min passed 060 Recovers after 60min passed 030 Recovers after 30min passed Function Operation initial Actual running rate is displayed unit 96 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 chamber temperature display 10 F30 lt Function gt lt Operation gt F32 lt Function gt lt Operation gt lt Reset gt F50 lt Function gt lt Operation gt Control of compressor ROM version is displayed 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 chamber temperature display Fan motor lifespan check Service code should be input in FOG prior to use this mode Input F32 and press SET key to display 00 0 accumulation time is 36days or less Set your desired setting with key and bbikey pressed Press SET key to store the value and revert to chamber temperature display Step into 06 Input 419 and press SET key to reset non volatile memory to 00 0 The display reverts to chamber temperature only Temp alar
14. RM TEST Alarm test key SET To switch SV and PV gt To shift the digit A To change the digit Key lock function With gt key is pressed for 5 seconds LO Unlocked L1 Locked Self diagnosis function Temp control sensor abnormality Error code and chamber temp are alternately displayed Remote alarm contact is ON and the buzzer sounds Fan motor malfunction Error code and chamber temp are alternately displayed ALARM lamp blinks and buzzer sounds Breaker switch Compressor protection Internal thermostat and comp sensor mPerformance specifications Cooling performance 80 C ambient temperature 30 C no load Temp control range 60 C to 80 C ambient temperature 30 C no load Rated voltage 110 AC115V AC220V 230 240 AC220V 47 dB A background noise 2098 3 5MPa Note Specifications will be subject to change without notice Front Side II Cooling unit parts MDF C8V ltem Specifications Compressor Compressor JJ mM Condenser Cascade condenser Coil pipe W200 mm x 8 columns 7 columns x 1 line P290 mm 4 76 x 0 7 mm Tube on sheet also used as interior mixed refrigerant MU N48 EU DOT Charged 375 8 g Material ABS Condensing fan motor lt Compressor terminals layout gt NOISNVdX3 000 HOSS34JWOI 114 92 X3 8 a z E lt 52 t8
15. V1 Compressor Type C 2SN400L2W C 1RN40L6A C 1RN4L5C Compressor code 802 012 11 802 012 16 802 012 15 Rated voltage 50 60Hz 1 110 115V 60Hz H1 200V 60Hz P1 220 240V 50Hz Winding resistance C R Main 1 674 Q 25 C 5 34 Q 25 C 7 37 25 C 3 4199 25 C 8 889 25 15 76 Q 25 C Starting relay AMVL 165A AMVL 300A AMVL 300A 95 115VAC 215 247VAC 215 247VAC 25 60VAC 69 132VAC 69 132VAC Starting capacitor Running capacitor fan 720 240V Rating 115V 4P 220 240 220 240V Contact capacity 20A 12VDC 20A 12VDC 20A 12VDC Rated output 12VDC 0 85A 12VDC 0 85A 12VDC 0 85A X 250v 15A 250v 15A Rating 250V 15A 250V 15A 250V 15A Temperature sensor PT1000 PT1000 PT1000 Rating 1000 0 C 1000 9 0 C 1000 9 0 C Rating 5kQ 25 C 5kQ 25 C 5kQ 25 C Rating 4A 250VAC 4A 250VAC 4A 250VAC 100m Rating 6V 1100mAH 6V 1100mAH 6V 1100mAH UJ UJ rr lt lt Qo r D JUNI Specifications of sensor lt 502 1 gt Resistance Resistance Resistance Resistance an kQ atu EE Value Value oa en ar ama cm Pom orm me sa ror poso em w e ce wm ca 0 wm
16. ad remote alarm output does not turn off When the power switch is OFF with battery switch is ON or the power to the unit is disconnected or in case of power failure ALARM lamp is blinking intermittent buzzer sounds and remote alarm output turns on If the power retrieves within seconds the unit starts to run with initial settings Remote alarm output turns off In case of power failure alarm press BUZZER key to show chamber temperature for 5 seconds Self diagnosis and safety functions Auto Return Ring back Sensor temp display Battery lifespan check Fan motor lifespan check ROM version 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 chamber temperature Buzzer forcibly sounds again after setting time elapses even if anyone press BUZZER key to stop buzzer sounding in alarming condition Ring back time is settable in F25 F12 Temperature in temp sensor is displayed Ex 80 2 C displayed as 80 2 F14 Temperature of comp sensor is displayed 23 C displayed as 023 F03 Notice of battery accumulation time 2years and 6months accumulated Displayed as 02 5 BATTERY lamp is lit if 02 8 is displayed lt Reset of accumulation time gt Step into FO6 Input 409 and press SET key to reset non volatile memory to 00 0 with BATTERY lamp goes off F32 Notice of fan motor a
17. alarm and buzzer 3 min Compressor delay time 000 Communication ID e 000 Communication mode AP rS Temp alarm delay time OFF Key lock T F21 F22 F24 F25 F26 lt Function gt lt Operation gt lt Function gt lt Operation gt lt Function gt lt Operation gt lt Function gt lt Operation gt Serial communication ID setting Input F21 and press SET key to display 000 initial Change the value in the range 001 255 with key and Serial communication mode setting input F22 and press SET key to display 000 initial value Change the value with key and ppjkey Press SET key to store the value and revert to chamber temperature display Control mode the 3 digit 0 Local initial 1 Remote Baud rate the 274 digit 0 2400bps initial 1 4800bps 2 9600bps Note You cannot be changed SV if control mode is set in Remote Linkage between remote alarm and buzzer Input F24 and Press SET key to display 000 initial Change to the desired value with key and bpikey Press SET key to store the value and revert to chamber temperature display 000 Remote alarm is outputted simultaneously with buzzer 001 Remote alarm is not outputted simultaneously with buzzer Ring back time setting Input F25 and press SET key to display 030 initial Change to the desired value with amp key key Press S
18. ally revert to chamber temperature display Automatically revert to chamber temperature display Communication ID setting Communication mode setting Automatically revert to chamber temperature display Linkage between Remote alarm terminal and buzzer Ring back time setting Display of actual operation rate Automatically revert to chamber temperature display Factory test mode Factory test mode Unavailable Unavailable Display of ROM version Automatically revert to chamber temperature display Fan motor lifespan check Automatically revert to chamber temperature display Temp alarm delay time setting In chamber temperature display press R key over 5seconds to display F00 Input the desired function code with R key and key Press SET key to be function mode available You should input service code 384 in F06 beforehand To cancel service code input 000 in 06 or turn the power off Function Operation Function Operation Function Operation Reset High temp alarm setting Input FO1 and press SET key to display 010 initial value Set the value in the range 005 020 with key Press SET key to store the value and revert to chamber temperature display Low temp alarm setting Input F02 and press SET key to display 10 initial value Set the value in the range 05 20 with key Press SET key to store the value and revert to chamber temperature disp
19. ber Input service code in F06 prior to use this mode Input FO7 and press SET key to display 00 0 initial value Change to the desired value with 2 key and key the range of 4 9 04 9 Press SET key to store the value and revert to chamber temperature display To display the temperature of temp sensor Input service code in FQ6 prior to use this mode Input F12 and press SET key to display alternately F12 and XX X chamber temperature Press SET key to revert to chamber temperature display digits indication Minus is not displayed 79 5 C indicated as 79 5 To display the temperature in comp sensor Input service code in F06 prior to use this mode Input F14 and press SET key to display alternately F14 and XX X present temperature in comp sensor Press SET key to revert to chamber temperature display Non volatile memory initialization model code change Service code should be input in FOG prior to use this mode Input F17 and press SET key to display 001 Change the value with 2 key and PPI key Press SET key to store and revert to chamber temperature display Model code 003 MDF C8V1 Initial values in non volatile memory Zero adjustment for temp sensor 0 C Compressor forcibly OFF 8 min Ring back time 30 min Setting temperature 80 C High temp alarm setting temp 10 Low temp alarm setting temp 40 Linkage between remote
20. ccumulation time Syears and 8monts accumulated Displayed as 05 6 Battery lamp is blinking when about 6years has passed lt Reset of accumulation time gt Step into FO6 Input 419 and press SET key to reset non volatile memory to 00 0 The display reverts to chamber temperature only F30 ROM version is displayed Ex Ver 1 00 displayed as 1 00 15 Function modes Automatically revert to chamber temperature display High temp alarm setting Low temp alarm setting Battery lifespan check Automatically revert to chamber temperature display Compressor delay time setting Service code input code 384 Temp sensor Zero Adjustment Automatically revert to chamber temperature display FOO F01 F02 F03 F04 F05 F06 FO7 F08 F09 F10 F11 F12 F13 F14 F15 F16 F17 F18 F19 F20 F21 F22 F23 F24 F25 F26 F27 F28 F29 F30 F31 F32 F33 F49 F50 Setting procedure F01 F02 FO3 Factory test mode Factory test mode Factory test mode Unavailable Unavailable Unavailable Display of temperature in temp sensor Automatically revert to chamber temperature display Display of temperature in Comp sensor Automatically revert to chamber temperature display Automatically revert to chamber temperature display Model code setting Initialization of non volatile ROM and memory Automatically revert to chamber temperature display Automatic
21. e the blinking digit shifts among the 15 digit or the a digit or 3 digit In chamber temperature display press this key over 5 seconds to be Key Lock mode available with L O displayed During setting mode count the blinking digit up In chamber temperature display press the key over 5 seconds to be function mode available with FOO displayed Set your desire value with this key and key you can use function mode Temperature control Setting range Display range Setting procedure Unacceptable setting 55 C 85 C 180 C 50 C Press SET key and set the required value with R key and PP key Press SET key to store the set value If you try to set value which is out of temperature setting range the buzzer sounds for 1 second to inform the value is unacceptable Key Lock mode and Function mode A Key Lock mode Setting range 0 1 Setting procedure In chamber temperature display press pp key over 5 seconds to enter B Function mode Setting range Display range Setting procedure into Key Lock mode L_0 or L_1 is displayed initial L 0 with 0 or 1 blinks Change the value with 2 key and press SET key to store the value the non volatile memory 00 50 00 59 00 04 08 13 15 16 18 20 26 29 31 33 49 are unavailable codes In chamber temperature display press key over 5 seconds to enter into function mode with FOO is displayed Change the blinking 15 di
22. ent temperature 30 C 50Hz 60 2 50Hz 60Hz 115V 4 7 4 26 Note This data does not represent a guarantee of product performance Temp C Temp C Condition AT20 C 50Hz 74 76 78 82 SV 80 SV 80 SV 80 5 84 SV 10 SV 70 SV 70 86 m 0 10 20 30 40 50 60 70 80 TimeLminute Condition AT20 C 60Hz 64 66 68 70 LA m d p d r 12 74 76 78 2 PS 5 80 amp SV 80 SV 80 5 70 84 70 SV 70 49 84 p ce 0 10 20 30 40 50 60 70 80 Time minute Temp C Condition AT30 C 50Hz SV 80 5 SV 80 SV 80 5 84 SV 70 5 70 SV 70 5 86 0 10 20 30 40 50 60 70 80 Timelminute Condition AT30 C 60Hz uu 82 sy 80 SV 80 sv 30 84 amp SV
23. g in capillary tube Compressor is forcibly stop operation to prevent oil from being logged in capillary tube Interval Once every 12 hrs Period 8min Timing 1 About 9 sec of delay after compressor stops operation during cycle after 12 hrs has passed since the unit had started operation 2 Compressor is forcibly stop operation when compressor keeps running for 60 min even if it should be stopped Temp sensor offset Temp sensor offset is done to correct the gap between the temperature in temp sensor and the actual temperature Temp sensor offset 4 0 C Remote alarm terminal No voltage output from CN3 1 2 1 3 N C Settings after power retrieves Power on reset Alarms OFF Compressor OFF Remote alarm OFF Ring back time 30 min Timers Reset 2H 8H timer 0 Reset Warming up operation ON Counting the time of compressor stops Reset Setting data Read by non volatile memory Other specifications 1 Lamp specifications lt Control PCB gt DP1 Orange lamp Goes off High low temp alarm sensor error power failure Lit Normal condition DP2 Green lamp Goes off Compressor OFF normal condition Lit Compressor Display gt DP51 Red lamp Blinks Alarm condition DP52 Orange lamp Lit Battery lifespan is expired About yrs Blinks Notice of fan motor lifespan is expired About 6 yrs 2 Examples of display Chamber temp 79 5
24. git to desired function code with IA key and gt Press SET key to be function code available 13 4 Unacceptable If you try to input F51 F59 and press SET key the buzzer sounds to setting inform the value is unacceptable Error codes E01 Temp sensor is disconnected E02 Temp sensor is short circuited E05 Comp sensor is disconnected E06 Comp sensor is short circuited E09 Battery switch is OFF E10 Compressor temperature abnormality E15 Fan motor malfunction 1 Temp sensor abnormality Disconnection E01 and 50 C are displayed alternately the buzzer sounds intermittently and remote alarm contact outputs The compressor is continuous running Press BUZZER key to stop the buzzer sounding Short circuit 02 and 170 C 180 C are displayed alternately the buzzer sounds intermittently and remote alarm contact outputs The compressor is continuous running Press BUZZER key to stop the buzzer sounding 2 Comp sensor abnormality Disconnection E05 and chamber temperature are displayed alternately the buzzer sounds intermittently and remote alarm contact outputs Press BUZZER key to stop the buzzer sounding Short circuit E06 and chamber temperature are displayed alternately the buzzer sounds intermittently and remote alarm contact outputs Press BUZZER key to stop the buzzer sounding 3 Battery switch is OFF Press ALARM TEST key to display E09 4 Comp temperature abnormality E10 and chambe
25. lay Battery lifespan check Input and press SET key to display alternately F03 with 00 0 In case battery used for 36 days orless Press SET key to revert to chamber temperature display Step into 06 Input 409 and press SET key to reset non volatile memory to 00 0 with BATTERY lamp goes off FOS F06 7 F12 F14 F17 Function Operation Function Operation Cancel Function Operation Function Operation Function Operation Function Operation Compressor is turned on with forcibly delayed by minute increment when the power retrieves from the power failure Input F05 and press SET key to display 003 initial Change the value the range 0037 7015 with 2 key and Press SET key to store the value and revert to chamber temperature display Service code input and initialization of accumulation time Input F06 and press SET key to display 000 initial value Set to 384 with key and key Press SET key to store the value and revert to chamber temperature display Input FO6 and press SET key to display 384 Change to 000 with R key and key Press SET key to store the value and revert to chamber temperature display Service code is cancelled when the power is ON and OFF or accumulation time is reset To match temperature of temp sensor with temperature of center at the cham
26. m delay time setting Service code should be input in F06 prior to use this mode Input F50 and press SET key to display 015 initial Set your desired value with key pressed Range 000 015 Press SET key again to store the value and revert to chamber temperature display 000 Not delayed 1 Compressor turns ON when chamber temperature is equal to setting temperature 0 4 C 2 Compressor turns OFF when chamber temperature is equal to setting temperature 0 4 C Compressor protection When fan motor is locked compressor stops running to prevent compressor temperature from going higher if the temperature in comp sensor is equal or higher than 65 C Compressor restarts running when the temperature in comp sensor is equal or lower than 50 C Delay time Compressor delay time Temp alarm delay time Power failure alarm delay time Initial 3 min Compressor starts running with delay after the power is supplied You can set delay time F05 When compressor stops running during cycle compressor is forcibly stop running the next 3 min Initial 10min In high low temp alarm condition buzzer and remote alarm are emitted with delay time You can set delay time in F50 ALARM lamp and display blink without delay 3 sec fixed Power failure alarm is emitted with 3 sec of delay after the power has failed 19 11 12 13 14 15 Prevention for oil loggin
27. r temperature are displayed alternately and compressor stops running Press BUZZER key to stop the buzzer sounding 5 Fan motor malfunction E15 and chamber temperature are displayed alternately Press BUZZER key to stop the buzzer sounding 6 Error code priority No 1 Temp sensor abnormality E01 or E02 No 2 Comp sensor abnormality E05 or E06 No 3 Comp temperature abnormality E10 No 4 Fan motor malfunction E15 Warning functions High temp alarm When chamber temperature is equal or higher than setting temperature high temp alarm setting temperature 1 ALARM lamp and digits are blinking intermittent buzzer sounds with about 15 minutes of delay and remote alarm output turns on When chamber temperature is equal or lower than setting temperature ALARM lamp and digits go off buzzer stops sounding and remote alarm output turns off If you press BUZZER key the buzzer stops sounding instead remote alarm output does not turn off Low temp alarm Power failure alarm When chamber temperature is equal or lower than setting temperature low temp alarm setting temperature 1 ALARM lamp and digits are blinking intermittent buzzer sounds with about 15 minutes of delay and remote alarm output turns on When chamber temperature is equal or higher than setting temperature ALARM lamp and digits go off buzzer stops sounding and remote alarm output turns off If you press BUZZER key the buzzer stops sounding inste

Service Manual MDF-C8V1

Contents

Download Pdf Manuals

Related Search

Related Contents