Service Manual MBR-305D MBR-305DR MBR-305GR
Contents
1. Pulldown speed AT35 C Unloaded Chamber temperature C 115V 60Hz drawer 230V 50Hz shelf 220V 60Hz drawer 4 6 Time scale hour 10 40 Pullup speed AT35 C Unloaded 30 25 20 15 F 10 r 5 10 15 Chamber temperatur C Shelf Drawer 4 5 6 Time scale hour 10 33 Pulldown pressure AT35 C Unloaded 1 8 d 1 743 um Peak 220V60Hz 1 690Mpa 1 5 a Vie Peak 230V50Hz 1 527 115V60Hz Drawer Pd 0 9 230V50Hz Shelf Pd S Peak 115V60Hz 0 227 220V60Hz Drawer Pd A 06 115V60Hz Drawer Ps 230V50Hz Shelf Ps Peak 220V60Hz 0 234Mpa 220V60Hz Drawer Ps 0 3 4 YT Peak 230v50H2 0 163Mpa 0 0 2 4 6 Time scale hour Current Input AT35 C Unloaded 500 10 Peak 115V60Hz 283 3W Pe I x 230V50Hz Input 400 Peak 220V60Hz 249 7W 220V60Hz Input 8 115V60Hz Current 4 Peak 230V50Hz 249 7W 230V50Hz Current NET SL 220V60Hz Current 2 200 lt Peak 115V60Hz 3 69 4 O Peak 220V60Hz 1 74 100 2 Peak 230V50Hz 1 60 0 0 2 4 6 8 Time scale hour DA Temperature uniformity 15points measured Note Following data are the reference only lt Condition gt Power supply 110 115V60Hz 220 240V50Hz 220V60Hz SV 4 20 C 30 C Load 24bottles x 5shel2. x01 i 9 i 5 i z an gt HOLIAS a um UDSNIS NYY TY 805435 1809430 E ie 2 Sire LE ani g2 uvm 8 EJ UOSNI5 N01108 5 2 x i 1 at i 5 13 mi s gf ali 5 x Li d g ve We N o ALYA 9 A z E i O x x 3 x 1 S A 4 i E n i O S 3 x x iem NERO A x tr Di 1 a Wali i cca t a a 1 iq i m gt S 8j 15 e ircui C lt Control PCB gt CN71 mv 4 GND 21 D71 12V 18R139 400 N N ua m m S o e di RN J CN72 tn V Gi JN a Va hoo at a EI R77 470k 3 3 a E CONTROL RELAY 16 Control specifications ll 1 Keys control panel BUZZER When a unit is in alarming condition press this key to stop audible alarm sounding and to turn remote alarm off Alarm message remains to display This key is inoperative during an alarm test performs UPPER LOWER Display temperature is changed to the following order every time pressing this key Mean temp Factory default gt Upper bottle temp gt Lower bottle temp gt Mean t
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4. O I O 5 o PRECAUTIONS FOR SAFE OPERATION It is imperative that the user complies with this manual as it contains important safety advice Items and procedures are described so that you can use this unit correctly and safely If the precautions advised are followed this will prevent possible injury to the user and any other person Precautions are illustrated in the following way WARNING Failure to observe WARNING signs could result in a hazard to personnel possibly resulting in serious injury or death NCAUTION Failure to observe CAUTION signs could result in injury to personnel and damage to the unit and associated property Symbol shows this symbol means caution 8 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 lt Label on the unit gt 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 engineer or a service personnel only 3 NU ICE PRECAUTIONS FOR SAFE OPERATION WARNING Do not use the unit outdoors Current leakage or electric shock may result if the unit is exposed to rain water Only qualified engineers or service personnel should install the unit The installation by unqualified personnel may cause electric shock or fire
5. SANYO Service Manual Blood Bank Refrigerator FILE No MBR 305D MBR 305DR MBR 305GR SANYO Electric Co Ltd Biomedical Business Division EU SM9910226 Effective models This service manual is effective following models Model code Voltage and Frequency MBR 305D 823 628 62 220V 50Hz MBR 305DR 823 628 72 220V 50Hz MBR 305GR 823 628 51 115V 823 628 53 220V 823 628 54 220 240V Contents Specifications Dimensions Structural specifications Control specifications Performance specifications Refrigeration circuit 1 Cooling unit parts Specification OT SENSO eemper erii pul ea COompDoNnenis OD PCD j O MM ie Connection on PCB 1 a Electric parts Wiring diagram Circuit diagram Main PCB GIFGUIT diagram Control PCB i Control specications arinina Parts layout Test data Instruction manual Pull down speed Pull up speed Pull down pressure Pull down current input Temperature uniformity 15points measured Amount of power consumption Maximum heat discharge Specifications Structural specifications MBR 305D MBR 305DR MBR 305GR External dimensions W600 x D680 x H1835 mm Internal dimensions W520 x D490 x H1150 mm Effective capacity
6. CAL key to return to chamber temperature display 26 F38 Purpose Display of setting temperature Operation Input F38 and press CAL key to display F38 alternately with XX X setting temperature Press SET CAL key to return to chamber temperature display Reset When F38 and setting temperature are alternately displayed press CAL key to return to chamber temperature display F43 Purpose Notice of condensing fan motor life Operation Input F43 and press CAL key to display 000 or 001 Change to alternate value by pressing 4 key Press CAL key to memorize the value and unit will return to chamber temperature display 000 Not notify 001 Notify 44 Purpose Setting of temperature for low temp cycle Operation Input F44 and press CAL key to display 02 0 Factory default Change a value by pressing 4 key PP key Press CAL key to memorize the value and unit will return to chamber temperature display Range 000 030 F45 Purpose Action linkage between door and illumination Operation Input F45 and press CAL key to display 000 Factory default Change a value by pressing 4 key and key Press CAL key to memorize the value and unit will return to chamber temperature display 0 1 digit Not linked 1 1 digit Linked T Calibration mode C mode Unit will return to chamber temperature display Unused C01 Zero calibration of upper sensor C02
7. Install the unit on a sturdy floor and take an adequate precaution to prevent the unit from turning over f 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 Never install the unit in a humid place or a place where it is likely to be splashed by water Deterioration of the insulation may result which could cause current leakage or electric shock N Never install the unit in a flammable or volatile location This may cause explosion or fire Never install the unit where acid or corrosive gases are present as current leakage or electric shock may result due to corrosion d aed ground earth the unit to prevent electric shock If the power supply outlet is not grounded it will be necessary to install a ground by qualified engineers S 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 T 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 that on the rating label may cause fire or electric shock S Never store volatile or flammable substances in this unit if the container cannot be sealed These may cause explosion or fire Do not insert metal objects such as a pin or a wire into any vent gap or any outlet on the unit This may cause electric shock or inju
8. Zero calibration of lower sensor 03 Span calibration of upper sensor C04 Span calibration of lower sensor How to set 1 When a chamber temperature displays press CAL key for 5 seconds 2 COO will be displayed Input calibration code by pressing 4 key and P key 3 Press CAL key to activate calibration mode 297 01 C02 C04 Purpose Operation Purpose Operation Purpose Operation Purpose Operation Zero calibration of upper sensor Press UPPER LOWER key to display upper sensor temperature Range 1 5 1 5 C If upper sensor temperature is out of range unit will not commance calibration and buzzer tone will emit Put upper sensor into fully stirred ice water and leave it until temperature display stabilizes Press CAL key for 5 seconds to display COO Change to 1 by pressing 4 key Press CAL key to terminate calibration and to return to chamber temperature display Note Ensure to repeat the procedure until a displayed temperature should be almost 0 C Zero calibration of lower sensor Press UPPER LOWER key to display lower sensor temperature Range 1 5 1 5 C If lower sensor temperature is out of range unit will not commance calibration and buzzer tone 1 second will emit Put upper sensor into fully stirred ice water and leave it until temperature display stabilizes Press CAL key for 5 seconds to display COO Change to C02 by press
9. activates At the time a unit cannot detect high and low temperature alarm By pressing BUZZER key to cancel operations for audible alarm and remote alarm when E15 emits 240 16 17 18 2 F 1 F 2 When a temperature in upper sensor is higher than 60 C a unit diagnoses that the sensor is short circuited and E16 and chamber temperature are displayed alternately Audible alarm sounds and remote alarm activates At the time a unit cannot detect high and low temperature alarm By pressing BUZZER key to cancel operations for audible alarm and remote alarm when E16 emits When a temperature in lower sensor is lower than 60 C a unit diagnoses that the sensor is open circuited and E17 and chamber temperature are displayed alternately Audible alarm sounds and remote alarm activates At the time a unit cannot detect high and low temperature alarm By pressing BUZZER key to cancel operations for audible alarm and remote alarm when E17 emits When a temperature in lower sensor is higher than 60 C a unit diagnoses that the sensor is short circuited and E18 and chamber temperature are displayed alternately Audible alarm sounds and remote alarm activates At the time a unit cannot detect high and low temperature alarm By pressing BUZZER key to cancel operations for audible alarm and remote alarm when E18 emits When a unit fails to write data in non volatile memory E2P and chamber
10. condition Low temp alarm setting temperature is changeable in F02 Factory default 2 C When a door leaves open DOOR lamp illuminates and audible alarm sounds intermittently after delay time elapses Audible alarm does not link with remote alarm Press BUZZER key to cancel an operation for audible alarm Ring Back does not activate When a power switch is in off position or a power is interrupted ALARM lamp blinks LED digits go off audible alarm sounds intermittently remote alarm turns on Operations for audible alarm and remote alarm are not cancelled by pressing BUZZER key Unit will start an operation with initial setting after it returns from a power failure Remote alarm will not turn on 2 27 5 Representative functions Auto Return Ring Back Example display of sensor temperature Battery accumulation time Condensing fan motor accumulation time Display of ROM version If there are no key operations for 90 seconds during calibration mode and function mode unit will automatically return to chamber temperature display Audible alarm will sound again after predetermined setting time elapses if BUZZER key is pressed to cancel operation for audible alarm Ring Back time is changeable in F25 Factory default 30 minutes When upper sensor temp is 5 4 C gt Display indicates as 5 4 When lower sensor temp is 5 4 C gt Display indicates as 5 4 When lower sensor temp i
11. return to chamber temperature display Range 0017 7255 Serial communication data Mean between upper and lower sensor temp 60 0 60 0 Upper sensor temperature 60 0 60 0 Lower sensor temperature 60 0 60 0 Defrost sensor temperature 60 0 60 0 Power failure 0 100 Yes No Comp sensor temperature Door status Set temp for temp control PCB Alarm sensor temperature High temp alarm set temperature Low temp alarm set temperature 25 60 0 60 0 0 100 Open Close 60 0 60 0 60 0 60 0 5 0 9 9 1 0 4 0 22 F25 F30 F32 F33 F34 F36 Purpose Operation Purpose Operation Purpose Operation Purpose Operation Purpose Operation Purpose Operation Purpose Operation Reset Setting of serial communication mode Input F22 and press CAL key to display O00 Factory default Change a value by pressing key and pp key Press CAL key to memorize the value and unit will return to chamber temperature display Control mode The 3 digit 0 Local Factory default 1 Remote 2400 bps Factory default 1 4800 bps 2 9600 bps Baud rate The 2 digit Setting of Ring Back time Input F25 and press CAL key to display 030 Factory default Change a value by pressing key and pp key Press CAL key to memorize the val
12. 26 29 31 39 42 46 49 are unused How to set chamber temperature display press key for 5 seconds to step to function mode and FOO is displayed with 15 digit blinks Change a value by pressing key and pp key Press CAL key to activate function mode Unacceptable setting If a value which is out of setting range is input and CAL key is pressed range error tone emits and setting will not be changed 3 Calibration mode C mode Setting range 0 4 Display range 0 4 How to set In chamber temperature display press 4 key for 5 seconds to step to calibration mode and C00 is displayed with 1 digit blinks Change a value by pressing key and pp key Press CAL key to activate calibration mode Unacceptable setting If a value which is out of setting range is input and CAL key is pressed range error tone emits and setting will not be changed Error codes and Notice E03 E04 E05 E06 10 13 14 15 E16 E17 E18 E2P F 1 F 2 Defrost sensor is open circuited Defrost sensor is short circuited Comp sensor is open circuited Comp sensor is short circuited Compressor temperature is abnormal Alarm sensor is open circuited Alarm sensor is short circuited Upper sensor is open circuited Upper sensor is short circuited Lower sensor 5 open circuited Lower sensor is short circuited Unit fails to write data in non volatile memory Notice of battery life Notice of condensing
13. 304 L 302 L 2 doors Acrylic resin 1 Outer door door lock 4 5 Hard steel wire polyester coating Allowable load 20kg pc L _ Allowable load 20kg pc ss Accessories 1 set of key Optional components Interface board MTR 480 Basket MBR 35B MBR 55B MBR 55BL Control specifications MBR 305D MBR 305DR MBR 305GR Temperature controller Electronic control system Sensor Thermistor Temperature display LED digital Unit 0 1 C High temp When chamber temp is higher than set temp 6 C Factory default ALARM lamp blinks and audible alarm sounds intermittently Audible alarm sounds again after 30 min elapse if unit keeps alarming condition Setting range 5 0 9 0 C Low temp When chamber temp is lower than set temp 2 C Factory default ALARM lamp blinks and audible alarm sounds intermittently Audible alarm sounds again after 30 min elapse if unit keeps alarming Alarm condition Setting range 1 0 4 0 C DOOR lamp illuminates and audible buzzer sounds intermittently after 2 min elapses ALARM lamp blinks and audible alarm sounds intermittently for 24 hours Remote alarm DC30V MAX 2A N O COM N C COM Remote alarm activates when unit is in alarming condition and in power failure Notice of battery life When battery accumulation time expires about 3 years 2 years and 10 months F 1 and chamber temperature are alternately displayed Audible alarm and remote alarm d
14. 419 NIVW N DISPLAY CIRCUIT BOARD ETER EP Ad yF DOOR SWITCH o bier AMA B PSA amp FA A pO TJ ge OC HR LU ARI LU P Vit AlddNs M3AOd ONIHOLIAS L__AZNO AINO BO 9 LYVHO 102819 039 79 8821 45 69 45 EH VOL 0529 HOLIAS g33V 3388 v d A N9 HIv3 dl Tid EMYL ala 3S ION pre el ONId 8 09 HamMod 4 C 33 X B CIRCUIT DIAGRAM ECE cS Padl see cB oc 84 dfi LO 84 m 2 214 1 gt I lt O eu NJ vd i Ri E i Fi LH RMS 8 2 H E pe a lt i I it E i E T T T B O EL o lo lo lo lo lo LI 1 ify n i a n 5 1 t z x x x i i 2 Q 1 a t 9 NOLIOS i i x 1 i umm H3111 3 i 3 gi E 000 4 1 Ec HHvY TY n I a I I I I 1 1 elas oj ED E i Nea eli PR SRI eee ten bial 15 wn n UD UA UB e dhe DOr BSIHSI 970 b e i D0P BE1HSI Zd 2 i ig Q0 8ClHS Sa
15. 5 Rating DC12V 0 85A DC12V 0 85A DC12V 0 85A Rating 4A 250 4A 250VAC 4A 250 Hs ds Rating 6V 1100MAH 6V 1100MAH 6V 1100MAH Type SDKNA20700 SDKNA20700 SDKNA20700 Rating oV SMA oV SMA 5V SMA Rating DC8V 1A DC8V 1A DC8V 1A Type SLE6D2 5 SLE6D2 5 SLE6D2 5 Rating 4A 250VAC 4A 250VAC 4A 250VAC Noise filter Type ZHG2210 11S ZHG2210 11S ZHG2210 11S Rating 10A 250VAC 10A 250VAC 10A 250VAC Wiring diagram RS232C RS465 DSUB L PINK RED PK GY fk GRAY BLUE BLACK BROWN gt B BL lata FF J445 1 R ORANGE B 2P LIGHT BLUE OR E m WHITE BR GN T a ug tad e si MTR VIOLET YELLOW amp GREEN YOLOW NVA 9 009 P hers 1a 16 H 15 11 8 CRE HK E 5 YILYVIS MOND 6 6X 04 A 5 ac AS dWV1 TA M31V3H NIVW YOLOW NV3 2 E FINKE pon EL J lt oo ANM 138 da 10 41 02 dW3i1 AYIA DA z NUVIV 418 B NE SERA dW31 MOT A S AG 4 1a 1 us Eg a 79 Q otto S YOSSAYAWNOO fi lug GSA CLC HE XE 402 2 BATTERY Ad oF 7 SWITCH REHT ALARM TERMINAL qQavog 1109
16. Switchig power supply CN2 1 6 MTR 480 Option CN4 1 2 Low temp alarm relay 3 4 FL relay 5 6 Heater relay CN74 1 3 AT sensor 1 3 Temp control relay Connections Connections on Main PCB Switching power supply 1 12VDC To supply power to PCB 3 GND Remote alarm terminal 1 COM 2 N O To output for remote alarm contact 3 1 2 Low temp alarm relay To operate low temp cycle 3 4 FL relay To link between FL Lamp and door 5 6 Heater relay To supply power to main heater 1 6 Display PCB CN51 7 8 Control CN73 connect with each switch 1 12 Display PCB CN52 To connect with each LED 1 2 Door switch To detect door opening 3 4 Alarm sensor To detect low temp in chamber 5 6 Defrost sensor To detect frosting in chamber 7 8 Upper sensor To detect upper bottle temperature 9 10 Lower sensor To detect lower bottle temperature 11 12 Control PCB CN73 1 2 Battery Battery switch To control battery ON OFF CN13 1 2 Comp sensor To detect fan motor lock Connections on Control PCB CN71 1 2 Switching power supply To a power to PCB 1 3 Temp control relay To control chamber control chamber temperature 1 2 Display PCB CN51 CN73 3 4 Temp sensor To detect chamber temperature 5 6 Main 1 3 AT
17. ameter 1 8 mm Inner diameter 0 8 mm Refrigerant Type R 134a Charge 9 ty 160g Dryer Type 4AXH 9 9 ty 10g x uM i For 220V 60Hz rT A Ol FU2 C051B5MP 160 4pcs Material PPGF Output SW Specifications of sensor Temperatures and references in thermistor Type 502AT 1 C k62 kQ k62 ow we s me re ew s we e w ow we e sa ow me s s om ome 7 399 9 em om ome ow 8 me s ss o asse 6 a e ow n ae Temperatures and references in temp sensor 1000 NEW JIS Eu Resistance Resistance pg Resistance A Resistance T Q s s m m e Components on PCB CN7 CN13 1 2 1 2 Door Switch 3 4 Alarm sensor 5 6 Defrost sensor 11 12 CN73 7 8 Upper sensor 9 10 Lower sensor CN6 1 2 Display PCB CN52 NI c40 gt RAI Af R45 W r R42 gt c4 3 mn DE ai gt lt A d in 7 7 o 7 GFF meg i HR N R37 Me JS Jo LL 5 we D32 Tz LL a B J12 90014 CI7 46 g Me SSS Rg RI2 RI N22 1499 Me D RAI 04 C26 DN j 0x J7 ZIE _ R22 X 7 C28 4 Do o FE x es 7 Sal ww gt gO
18. an motor accumulation time Change a value to 410 by pressing 4 key and key Press CAL key to reset condensing fan motor accumulation time and unit will return to chamber temperature display Display of upper sensor temperature Input F12 and press CAL key to display F12 alternately with current upper sensor temperature In F12 displays alternately with current upper sensor temperature press CAL key to return to chamber temperature display Display of lower sensor temperature Input F13 and press CAL key to display F13 alternately with current lower sensor temperature In F13 displays alternately with current lower sensor temperature press CAL key to return to chamber temperature display Display of defrost sensor temperature Input F14 and press CAL key to display F14 alternately with current defrost sensor temperature In F14 displays alternately with current defrost sensor temperature press CAL key to return to chamber temperature display Display of comp sensor temperature Input F15 and press CAL key to display F15 alternately with current comp sensor temperature In F15 displays alternately with current comp sensor temperature press CAL key to return to chamber temperature display Display of alarm sensor temperature Input F16 and press CAL key to display F16 alternately with current alarm sensor temperature In F16 displays alternately with current alarm sen
19. detect high low temp alarm 2 Disable to memorize setting value F 1 Notice of battery life Low F 2 Notice of condensing fan motor life Alarms High temp alarm Low temp alarm Door alarm Power failure alarm When one of bottle temperature which is higher than the other between upper and lower bottle is equal or higher than SV high temp alarm set temperature 0 09 ALARM lamp and LED digits blink audible alarm sounds intermittently remote alarm turns on When one of bottle temperature which is higher than the other between upper and lower bottle is equal or lower than SV ALARM lamp goes off LED digits stops blinking audible alarm silences remote alarm turns off Press BUZZER key to cancel operations for audible alarm and remote alarm during unit is in alarming condition High temp alarm setting temperature is changeable in 01 Factory default 6 C When one of bottle temperature which is lower than the other between upper and lower bottle is lower than SV low temp alarm set temperature 0 09 ALARM lamp and LED digits blink audible alarm sounds intermittently remote alarm turns on When one of bottle temperature which is lower than the other between upper and lower bottle is equal or higher than SV ALARM lamp goes off LED digits stops blinking audible alarm silences remote alarm turns off Press BUZZER key to cancel operations for audible alarm and remote alarm during unit is in alarming
20. e AC115V AC220V AC220V AC230V AC240V Rated frequency 230W 220W 205W 210W 220W Note Design or specifications will be subject to change without notice lt MBR 305GR gt _ 15 600 52 FOOL lt MBR 305D gt 1 1 i 1 1 F t L lt MBR 305DR gt _15 1 et CL E orc LO 111 Refrigeration circuit Condenser Dryer Frame pipe 25 tube 0101010 Evaporating pipe el Header Evaporator Compressor x Evacuation points Cooling unit parts Parts descriptions Specifications MBR 305D MBR 305DR MBR 305GR 4 For 115V 60Hz FL1568 PD Compressor code 0 101 010 02 Rated power supply Single phase 110 115V 60Hz Refrigeration oil Type 15HT Charged q ty 310 10 ml Cooling method Forced cool air circulation FL1568 SP Compressor code 7FB 0 M101 010 03 Rated power supply Single phase 220 240V 50Hz Refrigeration oil 15HT Charged q ty 310 10 ml Cooling method Forced cool air circulation FL1568 RB Compressor code 0 101 010 04 Rated power supply Single phase 220V 60Hz Refrigeration oil Type 15HT Charged q ty 310 10 ml Cooling method Forced cool air circulation Condenser Compressor Type Wire and tube 4 76 x P20 x W150 11columns Wire P 6 154pcs Evaporating pipe 6 35 x 0 7 x W330 mm Frame pipe 4 0 x 0 5 Resistance 122 PSI Length 2000 mm Outer di
21. emp ALARM TEST Press this key to perform an alarm test ALARM lamp blinks audible alarm sounds and remote alarm contact turns on If there are no key operations for 90 seconds a unit has alarm test come to the end If this key is pressed during alarm test performs a unit has alarm test come to the end This key is inoperative when a unit is actually in alarming condition CAL Press this key for 5 seconds to step to calibration mode C mode This key acts as Enter key during a unit is in C mode or function mode F mode P Scroll key This key is used in C mode and F mode Press this key to shift digit to be changed 4 Up arrow key This key is used in C mode and F mode Press this key to change numerical value 2 Temperature setting and function 1 Temperature setting Setting range 2 0 9 0 C Turn a volume on control panel How to set Step to F mode F38 to display setting temperature in control PCB Turn a volume VRT to set temperature Press CAL key to return to chamber temperature display Ex If a measured temperature will be set to 4 0 C when it is actually 3 6C while a display temperature F38 is 4 0 turn VR1 until the display temperature will be 4 4 Note If you turn VR1 without displaying control PCB temperature it may be caused to change temperature setting 17 2 Function mode F mode Setting range 0 45 Display range 0 49 05 07 08 10 18 20 23 24
22. erations for audible alarm and remote alarm when E06 emits When a temperature in comp sensor is higher than 57 C a unit diagnoses that fan motor is locked E10 and chamber temperature are displayed alternately and both compressor and heater are turned off At the time audible alarm and remote alarm do not activate Compressor and heater turn on as soon as a temperature in comp sensor will be lower than 45 C When a temperature in alarm sensor is lower than 60 C a unit diagnoses that the sensor is open circuited and E13 and chamber temperature are displayed alternately Audible alarm sounds and remote alarm activates Temperature alarm is controlled by chamber temperature temperature upper lower sensor By pressing BUZZER key to cancel operations for audible alarm and remote alarm when E13 emits When a temperature in alarm sensor is higher than 60 a unit diagnoses that the sensor is short circuited and E14 and chamber temperature are displayed alternately Audible alarm sounds and remote alarm activates Temperature alarm is controlled by chamber temperature temperature in upper lower sensor By pressing BUZZER key to cancel operations for audible alarm and remote alarm when E14 emits When a temperature in upper sensor is lower than 60 a unit diagnoses that the sensor is open circuited and E15 and chamber temperature are displayed alternately Audible alarm sounds and remote alarm
23. fan motor life Following shows the descriptions of error codes and notices E03 When a temperature in defrost sensor is lower than 60 C a unit diagnoses that the sensor is open circuited and E03 and chamber temperature are displayed alternately Audible alarm sounds and remote alarm activates At the time the unit does not perform defrosting By pressing BUZZER key to cancel operations for audible alarm and remote alarm when E03 emits 18 E04 E05 E06 E10 EIS E14 E15 When a temperature in defrost sensor is higher than 60 a unit diagnoses that the sensor is short circuited and E04 and chamber temperature are displayed alternately Audible alarm sounds and remote alarm activates At the time the unit does not perform defrosting By pressing BUZZER key to cancel operations for audible alarm and remote alarm when E04 emits When a temperature in comp sensor is lower than 60 C a unit diagnoses that the sensor is open circuited and E05 and chamber temperature are displayed alternately Audible alarm sounds and remote alarm activates By pressing BUZZER key to cancel operations for audible alarm and remote alarm when E05 emits When a temperature in comp sensor is higher than 60 C a unit diagnoses that the sensor is short circuited and E06 and chamber temperature are displayed alternately Audible alarm sounds and remote alarm activates By pressing BUZZER key to cancel op
24. frequency of defrosting Count will be checked in F36 29 10 Delay time 1 Compressor delay time 3 minutes fixed When a unit cycle runs it takes 3 minutes to turn on compressor after it was turned off There are no delay time after a unit was energized reset 2 Door alarm delay time 2 minutes factory default There is delay time to emit audible alarm when a door leaves open Delay time is changeable in F04 11 Remote alarm contact NEN Between 1 and Z2 N O Between 1 and 3 N C Normal Close In alarm Close 12 Settings after a power is supplied Power on reset Alarms Ineffective Compressor Turns off Defrosting Ineffective Compressor protection Ineffective Remote alarm Turns off Ring Back Ineffective Door alarm delay time 2 minutes Timer Reset Setting data 13 Lamp operation 1 DisplayPCB DP51 DP52 DP54 DP55 Read by non volatile memory ALARM Red lamp blinks when a unit is in alarming condition DOOR Red lamp illuminates when a door leaves open Upper limit temp Green lamp illuminates when upper sensor temperature is displayed Lower limit temp Green lamp illuminates when lower sensor temperature is displayed 30 14 15 2 Main 1 2 4 Alarming operation Orange lamp illuminates when a unit is not in alarming condition Orange lamp goes off when high low temp alarm emit or sensor is fai
25. ing 4 key Press CAL key to terminate calibration and to return to chamber temperature display Note Ensure to repeat the procedure until a displayed temperature should be almost 0 C Span calibration of upper sensor Press CAL key for 5 seconds to display COO Change to by pressing 4 key Press CAL key to display lower sensor temperature Change to a correct value by pressing 4 key and key Range 3 0 5 9 C If a value deviates from the range unit will not commance calibration and buzzer tone 1 second will emit Press CAL key to terminate calibration and to return to chamber temperature display Span calibration of lower sensor Press CAL key for 5 seconds to display COO Change to C03 by pressing 4 key Press CAL key to display lower sensor temperature Change to a correct value by pressing 4 key and key Range 3 0 5 9 C If a value deviates from the range unit will not commance calibration and buzzer tone 1 second will emit Press CAL key to terminate calibration and to return to chamber temperature display 28 8 Temperature control 1 2 Low temperature cycle When alarm sensor temperature is lower than 2C alarm relay turns on Compressor turns off and heater is energized When alarm sensor temperature is higher than 2 C alarm relay turns off Compressor and heater are controlled by temperature control PCB Setting temperature for low tem
26. it Continued abnormal operation may cause electric shock or fire e 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 damage the power cord damaged cord may cause electric shock or fire e Disconnect the power plug when the unit is not used for long periods Keeping the connection may cause electric shock current leakage or fire due to the deterioration of insulation t If the unit is to be stored unused in an unsupervised area for an extended period ensure that children do not have access and that doors cannot be closed completely The disposal of the unit should be accomplished by appropriate personnel Remove doors to e prevent accidents such as suffocation N Do not put the packing plastic bag within reach of children as suffocation may result
27. led Temperature control Green lamp illuminates when a compressor turns off Green lamp goes off when a temp control PCB activates Illumination Red lamp illuminates when fluorescent lamp illuminates Red lamp goes off when fluorescent lamp goes off Heater operation Yellow lamp illuminates when defrost heater turns on Yellow lamp goes off when defrost heater turns off Examples of LED display Chamber temp 4 0 C Temp to start defrosting 12 0 Function mode Forcible defrosting dF Calibration mode C01 Error code 01 Service code 409 Battery life F 1 i Setting value 004 QUE Buzzer tone Alarms Intermittent tone Key operation Short tone Set value memorization Short tone Out of setting range 1 second alarming tone Power failure intermittent tone VT Parts layout Electric components Light switch Volume for temperature control Control panel Cover is removed UPPER LOWER Glow starter Right side Y Cover is removed Power switch Battery owiching power supply AT sensor Test switch Latch Monitor bottle upper Main PCB Control PCB Power source for recorder Temperature recorder Upper sensor Monitor bottle lower Lower sensor 28 gt Fluorescent lamp Door alarm swtich Battery switch Air exhaust vent Test data Note Following data the reference only
28. o not activate Notice of fan motor life When condensing fan motor accumulation time expires about 6 years 5 years and 8 months F 2 and chamber temperature are alternately displayed Audible alarm and remote alarm do not activate Note Notice of fan motor life can be set alternate ON OFF in F43 Temperature protection Heater turns off and compressor turns on when temperature in mechanical high temp alarm thermostat is higher than 12 C Compressor turns off and heater turns on when temperature in low temp alarm sensor is lower than 2 C Cycle defrost forced defrost sensor Thermistor Type 502AT 1 Control panel ALARM Alarm indicator DOOR Door check indicator UPPER Temperature display indicator LOWER Temperature display indicator BUZZER Alarm buzzer stop key ALARM TEST Alarm test key UPPER LOWER Temperature display changeover key CAL Calibration key PP Scroll key Up arrow key Self diagnosis function When temp sensor or defrost sensor is failed Error code and chamber temperature are displayed alternately Remote alarm contact activates and audible alarm sounds Compressor protection Overload relay When comp sensor detects fan motor lock compressor forcibly turns off before overload activates Performance specifications MBR 305D MBR 305DR MBR S05GR Storage temperature 4 C 35 C Temperature _ distribution 1 5 C 41 dB A scale 50 60Hz 1850 kPa Rated voltag
29. p cycle is changeable in F44 There is 3 minutes to restart compressor after it stopped once even if it meets condition that compressor would start soon When alarm sensor fails during low temperature cycle Upper lower sensor will be used instead of alarm sensor When low temp alarm emits alarm relay turns on Compressor turns off and heater is energized When low temp alarm is cancelled alarm relay turns off Compressor and heater are controlled by temperature control PCB Compressor protection When condensing fan motor is locked compressor will turn off to prevent discharge pressure in compressor from being increased When comp sensor temperature is higher than 57 C compressor will turn off When comp sensor temperature is lower than 45 C compressor will turn on 9 Defrosting By detecting a defrost sensor temperature in evaporating pipe and controlling compressor and heater unit will perform defrosting around evaporator During defrosting a unit will display chamber temperature and dF alternately 1 2 Forcible defrosting When a defrost sensor temperature is lower than 12 C Factory default a unit will forcibly commance defrosting When defrost sensor temperature is higher than 5 C Factory default during defrosting a unit will terminate defrosting A temperature that commances defrosting is changeable in F33 A temperature that terminates defrosting is changeable in F34 Count of
30. return to chamber temperature display Range 05 0 09 9 Setting of low temp alarm Input F02 and press CAL key to display 02 0 Factory default Input required value by pressing key and pp key Press CAL key to memorize the value and unit will return to chamber temperature display Range 01 0 04 0 Display of battery accumulation time Input F03 and press CAL key to display alternately F03 with battery accmulation time Press CAL key to return to chamber temperature display Note If accmulation time is less than 36days 00 0 will be displayed 79 F04 FOG F12 F13 F14 F15 F16 Purpose Operation Purpose Operation Reset Purpose Operation Cancel Purpose Operation Cancel Purpose Operation Cancel Purpose Operation Cancel Purpose Operation Cancel Setting of door alarm delay time Input F04 and press CAL key to display 002 Factory default Change to requried value by pressing 4 key and bb key Press CAL key to memorize the value and unit will return to chamber temperature display Range 000 012 Input of service code reset of accumulation time Input F06 and press CAL key to display 000 Factory default Battery accumulation time Change a value to 409 by pressing 4 key and p key Press CAL key to reset battery accumulation time and unit will return to chamber temperature display Condensing f
31. rm Display of battery accumulation time Setting of door alarm delay time Input of service code and reset of accumulation time Compressor continuous running mode Unused PCB test mode Unused Display of upper sensor temperature Display of lower sensor temperature Display of defrost sensor temperature Display of comp sensor temperature Display of alarm sensor temperature Setting of model code and data initialization in non volatile memory Setting of communication ID Setting of communication mode Setting of Ring Back time Display of ROM version Display of condensing fan motor accumulation time Setting of temperature to start defrosting Setting of temperature to terminate defrosting Defrost operation check mode Unused Display of frequency of defrosting High temp alarm operation check Unused Display of setting temperature Notice of condensing fan motor life Setting of temperature for low temp cycle Action linkage between door and illumination set 1 Press key for 5 seconds in chamber temperature is displayed 2 FOO is displayed Input function code by pressing key and gt key 3 Press CAL key to step to required function mode Purpose Operation Purpose Operation Purpose Operation Setting of high temp alarm Input F01 and press CAL key to display 06 0 Factory default Input required value by pressing 4 key and pp key Press CAL key to memorize the value and unit will
32. ry by accidental contact with moving parts Use this unit in safe area when treating the poison harmful or radiate articles Improper use may cause bad effect on your health or environment Turn off the power switch if provided disconnect the power supply to the unit prior to repair or maintenance of the unit in order to prevent electric shock or injury Do not touch any electrical parts such as power supply plug or operate switches with a wet hand This may cause electric shock 43 4 PRECAUTIONS FOR SAFE OPERATION WARNING Ensure you do not inhale or consume medication or aerosols from around the unit at the time of maintenance These may be harmful to your health S Never splash water directly onto the unit as this may cause electric shock or short circuit i Never put containers with liquid on the unit as this may cause electric shock or short circuit when the liquid is spilled Never bind process or step on the power supply cord or never damage or break the power supply plug A broken supply cord or plug may cause fire or electric shock N Do not use the supply cord if its plug is loose Such supply cord may cause fire or electric shock ner disassemble repair or modify the unit yourself Any such work carried out by an unauthorized person may result in fire or electric shock or injury due to a malfunction Disconnect the power supply plug if there is something wrong with the un
33. s 20 3 C gt Display indicates as 20 3 When defrost sensor temp is 5 4 C gt Display indicates as 5 4 When defrost sensor temp is 20 3 C gt Display indicates as 20 3 When comp sensor temp is 36 2 C gt Display indicates as 36 2 When alarm sensor temp is 5 4 gt Display indicates as 05 4 Note VVhen comp sensor temp is higher than 99 9 C display will indicate as 99 0 Battery accumulation time is displayed in When battery accumulation time expires 2 5 years display indicates 02 5 When battery accumulation time expires about 3 years F 1 is displayed Input 409 and press CAL key to reset non volatile memory to 00 0 Condensing fan motor accumulation time is displayed in F32 When condensing fan motor accumulation time expires 5 3 years display indicates as 05 3 When notice of fan motor life is selected to 001 notify in F43 and accumulation time expires about 6 years F 2 is displayed Input 410 and press CAL key to reset non volatile memory to 00 0 Installed ROM version can be checked in F30 When ROM version is 1 00 display indicates as 1 00 205 6 Function mode F mode F01 F02 F03 F04 F06 F09 F11 F12 F13 F14 F15 F16 F17 F21 F22 F25 F30 F32 F33 F34 F35 F36 F37 F38 F43 F44 F45 How to F01 F02 F03 Setting of high temp alarm Setting of low temp ala
34. sensor To detect ambient To detect ambient temperature M Electric Parts Compressor Type Code M101 mE 02 0 101 mE 03 M101 mE 04 Rated voltage 50 60Hz 1 110 115V 60Hz 1 220 240V 50Hz p1 220V 60Hz Winding resistance C R Main 2 16 Q 11 4 Q 8 64 Q C S Aux 4 56 Q 19 5 Q 9 23 Q Type Action to the temp No current OFF 130 8 9 130 8 9 C 130 8 9 C ON 60 7 5 C 60 7 5 C 60 7 5 C Action to the current AT25 C 12 2A 7 6A 7 6A Operation time 10 sec 10 sec 10 sec Rating 115V 220 240V 220 240V e 110V 220 240V 220 240V x SW OW WNW Heater relay Type ag 1A T 1 P 1 Contact capacity 10A 250V 10A 250V 10A 250V Coil 12VDC 12VDC 12VDC Type G4F 1123T G4F 1123T G4F 1123T Contact capacity 20A 250V 20 250V 20A 250V Coil 12VDC 12VDC 12VDC Type G4F 1123T G4F 1123T G4F 1123T Contact capacity 20A 250V 20 250V 20 250V Coil 12VDC 12VDC 12VDC Contact capacity 10A 250V 10A 250V 10A 250V Rating 250V 250V 250V b 15W 15W 15W Ballast 1587115 eee 152022 2 152022 2 Rating 15W 115V 60Hz 15W 220V 60Hz 15W 220V 60Hz Rating PT100 Q PT100 Q PT100 Q Rating 5 25 5 25 5 25 Rating 5 25 5 25 5 25 Rating 5 25 SKQ 25 5 2
35. sor temperature press CAL key to return to chamber temperature display 24 F17 F21 Purpose Operation Setting of model code data initialization in non volatile memory Input F17 and press CAL key to display current model code Change to 001 Model code for MBR 305GR 305D 305DR by pressing key and key Press CAL key to memorize the value in non volatile memory and unit will return to chamber temperature display Note lt is necessary to set model code when PCB is replaced Initial values in non volatile memory Zero adjustment for upper sensor 000 Zero adjustment for lower sensor 000 Temperature to start defrosting 15 C Temperature to terminate defrosting DO Temperature for low temp cycle 2G Action linkage between door and illumination 0 Not linked High temp alarm temperature 6 C Low temp alarm temperature 20 Door alarm delay time 2 minutes Span adjustment for upper sensor 100 Span adjustment for lower sensor 100 Ring Back time 30 minutes Communication ID 000 Communication mode 000 Non volatile memory check data Battery accumulation time 0 Condensing fan motor accumulation time 0 Notice of condensing fan motor life OFF Purpose Setting of serial communication ID Operation Input F21 and press CAL key to display 000 Factory default Change a value by pressing 4 key and p key Press CAL key to memorize the value and unit will
36. t J50 6 N c c NL ct O O IC7 i5 o Ba 8 e N LI c37 S 1 BE We R2 N o J20 025 lt R33 J21 AR32 Mei m 5 R31 D26 lt 3 J22 fi R30 R4 Ni di _ a L ja R29 D2704 9 T R5 Afy co J29 fi C36 5 J29 026 J26 E J32 0 R25 Me N 127 2 79 N Co oo e 23 5 3 0 N R24 D20 e D30 20 e J28 gt D23 RLY2 J33 E CN5 CN3 COMI B UD N 2708 SGMS m D T J43 i oO AU A CO C 1 5 2 w Z J44 J45 N z N Cc ARA SZ _ J48 L 2 J51 _ gt CNS 1 6 Display PCB CN51 7 8 CN73 CN3 Remote alarm terminal 1 COM 2 N O 3 N C 1 2 CN51 3 4 Temp sensor 5 6 CN7 10 CN8 1 2 Battery Battery SW CN1 1 3
37. temperature are displayed alternately Audible alarm and remote alarm do not activate When battery accumulation time expires about 3 years 1022days F 1 and chamber temperature are alternately displayed Unit starts counting accumulation time every 24 hours elapse since a power is supplied Audible alarm and remote alarm do not activate Input 409 in F06 and press CAL key to reset accumulation time to 0 If a unit forcibly turns off before 24 hours elapse since the power supplied it is ineffective for counting accumulation time until 24 hours elapse When condensing fan motor accumulation time expires about 6 years 2044days 2 and chamber temperature are alternately displayed Unit starts counting accumulation time every 24 hours elapse since a power is supplied Audible alarm and remote alarm do not activate Input 410 in F06 and press CAL key to reset accumulation time to 0 If a unit forcibly turns off before 24 hours elapse since the power supplied it is ineffective for counting accumulation time until 24 hours elapse Note If notice of fan motor life is set to 0 Not notify in F43 F 2 will not emit 20 Error code priority High E03 E04 Open short circuit in defrost sensor i E05 E06 Open short circuit in comp sensor E10 Compressor temperature is abnormal E13 E14 Open short circuit in alarm sensor E15 E16 Disable to detect high low temp alarm E17 E18 Disable to
38. ue and unit will return to chamber temperature display Range 010 099 Display of ROM version Input F30 and press CAL key to display F30 alternately with X XX current ROM version Press CAL key to return to chamber temperature display Display of condensing fan motor accumulation time Input F32 and press CAL key to display F32 alternately with XX X condensing fan motor accumulation time Press CAL key to return to chamber temperature display Note If an accumulation time is less than 36days 00 0 will be displayed Setting of temperature which starts defrosting Input F33 and press CAL key to display 12 0 Factory default Change a value by pressing key and pp key Press CAL key to memorize the value and unit will return to chamber temperature display Range 10 0 19 9 Setting of temperature which terminates defrosting Input 434 and press CAL key to display 05 0 Factory default Change a value by pressing 4 key and p key Press CAL key to memorize the value and unit will return to chamber temperature display Range 0 0 9 9 Display of frequency of defrosting Input F36 and press CAL key to display F36 alternately with frequency of defrosting Maximum 999 that has been counted since a power was supplied Turn the power off or press key over 5 seconds to reset counting When F36 and frequency of defrosting are alternately displayed press
39. ves 120 bottles Measured points 1st shelf 2nd shelf 3rd shelf Ath shelf 5th shelf 400ml bottle 200ml bottle x 2 with thermocouple Va Temperature uniformity 15points measured Unit C Ambient temperature 20 115V60Hz 230V50Hz 220V60Hz 0 20 4 8 30 15 4 6 0 10 0 15 4 3 0 10 0 25 0 0 0 10 0 20 4 6 0 10 5 0 20 4 4 0 10 1 4 2 4 5 4 2 O O N LI LI LI LI gt Ape LI LI wA AAJA N DK I lt gt O Ape O 1 5 0 I O 45 4 4 0 0 0 0 20 0 15 4 0 20 0 10 4 0 20 0 10 4 0 25 4 1 0 20 r 419 L lo 21 412 Ambient temperature 30 115V60Hz 230V50Hz 220V60Hz Point Maximum i Differential Differential mn Differential 4 N 0 0 0 0 I O N Ql I IH 1 A 8 D T 0 10 E dp 0 15 4 7 0 38 6 1 O O I N o o o SEN ES GW I C1 iN O I I OIO I NO O 6 0 0 0 0 I O 6 J I I CIO I O1 O 18 4 4 I O 4 48 I C H N O 0 0 0 I
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