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20

 

Connections on PCB

 

 
* Following are explanation of connections on the Main PCB. 

Connector 

Connects to 

Usage 

Voltage 

CN1 

Switching power supply 

To supply the power to PCB. 

#1: 12V 

CN2 

LCD module 

To connect with LCD. 

 

CN3 

Control Board (CN5) 

To connect with LCD contrast adjusting 

knob. 

 

CN4 

#1-#2: Battery switch 
 
#3-#4: Transformer(100V, 9V) 

To supply the power to Main PCB 
during power failure. 
To detect abnormal low voltage. 

#1-#2: 24V 

CN5 

Main PCB (CN3) 

 

 

CN6 

Main PCB (CN18) 

 

 

CN7 

MTR-480 (Option) 

To connect with interface. 

#1: 5V   

CN8 

#1-#2: Buzzer PCB 

To connect with buzzer. 

 

CN9 

#1-#2: Temp. control relay H 
#3-#4: Temp. control relay L 
#5-#6: Heater relay 

To control compressor H. 
To control internal temperature. 
To supply the power to cap. tube heater. 

 

CN10 

#3-#4: Door switch 

To control digital lock (Option). 

#1: 12V 
#2: 5V 

CN11 

Remote alarm terminal 
Remote switch 

To output remote alarm 

#1: COM 
#2: N.C. 
#3: N.O. 

CN12 

#1-#2: AT sensor 
#3-#4: Filter sensor 
 
#5-#6: Cascade sensor 
#9-#10: Door switch 

To detect ambient temperature. 
To detect temperature at condenser 
outlet pipe. 
To detect temperature at cascade. 
To control door switch. 

 

CN13 Unused 

 

 

CN14 LCD 

module 

To supply the power to back lamp for 
LCD. 

 

CN15 

Main PCB (CN8) 

 

 

CN16 Unused 

 

 

CN17 

#1-#2: Switching power supply 
#3-#4: Lock 

To supply the power to digital lock. 
 

#1: 24V 
#3: 24V 

CN18 

Control board (CN6) 

To connect with each keys. 

 

CN19 

#3-#4: Back up PCB 

To connect with back-up system. 

 

CN20 

#1-#3: Temp. sensor 

To detect internal temperature. 

 

CN21 

#3-#4: Analog terminal 

To output analog. 

 

 
 
 
 

Содержание MDF-C2156VAN

Страница 1: ...F C2156VAN MDF C2156VANC RoHS This product does not contain any hazardous substances prohibited by the RoHS Directive You will find RSF mark near the rating plate on the RoHS compliant product WARNING You are requested to use RoHS compliant parts for maintenance or repair You are requested to use lead free solder ...

Страница 2: ...ervice manual is effective following models Model name Product code Voltage and Frequency MDF C2156VAN 823 189 82 220V 50Hz 823 189 83 220V 60Hz 823 189 84 230 240V 50Hz 823 189 87 220V 60Hz MDF C2156VANC 823 189 86 220V 60Hz ...

Страница 3: ...welding points 9 Components on PCB 11 Elec tric parts 12 Specific ations of s ensor 14 Wiring diagram 16 Circuit diagram for CR PCB 18 Connec tions on PCB 20 Control s pecifications 21 Operation of Control Panel 26 Parts layout 31 Test data 33 Pull down data Pull up data Temperature uniformity and variation Power c onsumption data Unit pressure data Sample load test I n s t r u c ti on M a n u a l...

Страница 4: ...lation makes reduction of power consumption Notice of failure prediction by additional new status function Recording of chamber temperature and outer door open 䂓㩷 Environmental friendly 2 stage mixed refrigerant system with NON HCFC refrigerant 䂓㩷 Optional component z Automatic temperature recorder Mounting kit MTR 155H MDF S30150 z Interface board MTR 480 z Liquid N2 gas container MDF 135N ...

Страница 5: ...rmetic type Output 1100W Evaporator High stage side Cascade condenser type Low stage side Tube on sheet type Condenser High stage side Fin and tube type Low stage side Shell and tube type and Wire tube type Refrigerant H stage side R 407D L stage side HFC mixed refrigerant Refrigerating oil Ze NIUS32SA Power supply Local voltage Battery Lead storage battery 6VDC 7 2Ah x 4pcs Auto recharge Weight 3...

Страница 6: ...C30V 2A Remote alarm contact activates with 15min delay Door When outer door is open indication of Door Open is shown ALARM lamp blinks and buzzer beeps intermittently after delay time is passed Filter ALARM lamp flashes message indication and intermittent buzzer tone emitted Power failure When the power to the unit is not connected or power failure ALARM lamp flashes and intermittent buzzer tone ...

Страница 7: ...essage are emitted z ALARM lamp flashed remote alarm contact turns over and intermittent buzzer emit Key lock function Key lock 0 Key lock is released Key lock 1 Key locks L stage When the temperature in cascade sensor is 34 㷄 or lower compressor L turns on When the temperature in cascade sensor is 12㷄 or higher compressor L turns off Overload relay and High pressure switch L are controlled Compre...

Страница 8: ...rol range 125㷄䌾 150㷄䋨AT30㷄 no load䋩 220VAC 50Hz 220VAC 60Hz 230VAC 50Hz 240VAC 50Hz Rated power consumption 1550W 1700W 1550W 1600W Noise level 51 dB A background noise 20dB Maximum pressure 3085 kPa Usable conditions AT 5㷄䌾30㷄 less than 80䋦RH Note Specifications will be subject to change without notice ...

Страница 9: ...6 Dimensions ...

Страница 10: ...2 columns x 4 lines P6 35mm Fin 88pcs Coil pipe φ6 35mm x t 0 7 Pre condenser W 350mm ʊ Frame pipe φ6 35mm ʊ Evaporator Type Shell tank φ80mm Tube on sheet Capillary tube upper Middle Lower Ex Resistance PSI kg cm2 56 PSI G 9 9kg cm 2 11 0kg cm 2 3 7kg cm 2 1 9kg cm 2 Length mm 1300 3000 8000 3000 500 Outer diameter mm φ2 4 Inner diameter mm φ1 2 Refrigerant R 407D Charged q ty 432 10g MU N721 HFC...

Страница 11: ...8 Refrigeration circuits ...

Страница 12: ...9 Refrigeration circuit welding points 䌅䌁㩷 䌅䌂㩷 䌅䌃㩷 䌅䌄㩷 䌅䌆㩷 䌅䌇㩷 Pipe layout ...

Страница 13: ... 䌌䌄䌂㩷 䌌䌄䌁 䌐䌉㩷 䌌䌄䌊㩷 䌌䌄䌈㩷 䌈䌄䌂 䌌䌄䌇㩷 Pressure SW 䌏䌏㩷 䌏䌉㩷 䌌䌄䌎㩷 䌌䌄䌍㩷 䌌䌄䌌㩷 䌌䌄䌋㩷 䌌䌃䌆㩷 䌌䌃䌅 䌌䌃䌄 䌌䌃䌂㩷 䌌䌃䌁㩷 䌏䌒㩷 Compressor H 䌌䌄䌐㩷 䌌䌄䌄㩷 䌌䌃䌈 䌌䌃䌇 Oil separator Compressor L Condenser Ass y Ex tank L 䌅䌘䌃 䌅䌘䌂 䌅䌘䌁 䌌䌏䌂 䌈䌄䌁 䌅䌘䌅㩷 䌅䌘䌄 䌈䌆䌏㩷 䌈䌆䌉㩷 䌈䌄䌅 䌈䌄䌃 䌈䌄䌆㩷 䌈䌏䌏 䌈䌏䌂㩷 䌈䌏䌁㩷 䌈䌏䌉㩷 䌌䌏䌁 䌌䌏䌏 䌌䌏䌉㩷 䌈䌄䌇㩷 䌈䌄䌋 䌈䌃䌇 䌈䌓䌁 Capillary H 䌈䌄䌏㩷 䌈䌄䌉㩷 䌈䌄䌌㩷 䌈䌃䌃㩷 䌈䌓䌄㩷 䌈䌓䌃㩷 䌈䌓䌂㩷 䌈䌃䌂㩷 䌈䌃䌁㩷 䌈䌃䌈 ...

Страница 14: ...11 Components on PCB ...

Страница 15: ...ZWS15 12 J ZWS15 12 J Rated voltage 15W 12V 15W 12V 15W 12V Parts code 624 227 1291 624 227 1291 924 227 1292 Transformer Type ATR C50 ATR C50 ATR C50 Rated voltage 200 240V 200 240V 200 240V Parts code 624 006 0408 624 006 0408 924 006 0409 Pressure switch Type SNS C135Q002 SNS C135Q002 SNS C135Q002 Rated voltage OFF 2 75MPA ON 0 78MPA OFF 2 75MPA ON 0 78MPA OFF 2 75MPA ON 0 78MPA Parts code 624 ...

Страница 16: ...1 ZAC2220 11 ZAC2220 11 Rated voltage 250VAC 20A 250VAC 20A 250VAC 20A Parts code 624 204 3294 624 204 3294 924 204 3295 Time delay fuse Type SD4 UL E39265 SD4 UL E39265 SD4 UL E39265 Rated voltage 250V 0 5A 250V 0 5A 250V 0 5A Parts code 423 018 2109 423 018 2109 323 018 2102 Breaker switch Type IR11A2E201R MDF C2156VANC only Rated voltage 250VAC 20A Parts code 624 225 9589 Power relay Type G7L 1...

Страница 17: ...2 359 1 355 0 350 9 346 8 342 7 338 6 334 5 150 412 2 408 2 404 1 400 0 395 9 391 9 387 8 383 7 379 6 375 5 140 452 8 448 7 444 7 440 6 436 5 432 5 428 5 424 4 420 4 416 3 130 493 0 489 0 485 0 481 0 477 0 472 9 468 9 464 9 460 8 456 8 120 533 1 529 1 525 1 521 1 517 1 513 1 509 1 505 1 501 1 497 1 110 572 9 569 0 565 0 561 0 557 0 553 0 549 1 545 1 541 1 537 1 100 612 6 608 6 604 6 600 7 596 7 59...

Страница 18: ...125 1 1128 8 1132 6 1136 4 1140 1 1143 9 1147 7 40 1151 4 1155 2 1159 0 1162 7 1166 5 1170 2 1174 0 1177 7 1181 5 1185 2 50 1189 0 1192 7 1196 5 1200 2 1204 0 1207 7 1211 5 1215 2 1219 0 1222 7 60 1226 4 1230 2 1233 9 1237 6 1241 4 1245 1 1248 8 1252 6 1256 3 1260 0 70 1263 8 1267 5 1271 2 1274 9 1278 7 1282 4 1286 1 1289 8 1293 5 1297 2 80 1301 0 1304 7 1308 4 1312 1 1315 8 1319 5 1323 2 1326 9 1...

Страница 19: ...16 Wiring Diagram MDF C2156VAN ...

Страница 20: ...17 MDF C2156VANC ...

Страница 21: ...18 Circuit Diagram ...

Страница 22: ...19 CR Circuit Diagram ...

Страница 23: ...rol compressor H To control internal temperature To supply the power to cap tube heater CN10 3 4 Door switch To control digital lock Option 1 12V 2 5V CN11 Remote alarm terminal Remote switch To output remote alarm 1 COM 2 N C 3 N O CN12 1 2 AT sensor 3 4 Filter sensor 5 6 Cascade sensor 9 10 Door switch To detect ambient temperature To detect temperature at condenser outlet pipe To detect tempera...

Страница 24: ... To detect internal temperature S2 1 2 Solenoid valve 3 4 Power transformer To supply the power to solenoid valve To supply the main power 24V S3 1 2 Test switch To test back up system S4 Temperature control knob To set temperature for back up S5 Battery LED To light LED when low battery S6 Temperature control dial ...

Страница 25: ...basic screen E04 Cascade sensor is short circuited When temperature in cascade sensor is equal or higher than 100㷄 E04 is displayed in TopScreen the basic screen E05 Filter sensor is open circuited When temperature in filter sensor is equal or lower than 70㷄 E05 is displayed in TopScreen the basic screen E06 Filter sensor is short circuited When temperature in filter sensor is equal or higher than...

Страница 26: ...al 10㷄 Ring Back time setting range 1 99 minutes Initial 30 minutes 0 minutes Alarm does not recover Note During pull down both buzzer and remote alarm don t activate 4 Door alarm When door is open intermittent buzzer beeps and DOOR at TopScreen flashes Shut door or press BUZZER key to stop buzzer beeping Remote alarm does not activate during this period Door alarm setting range 1 15 minutes Initi...

Страница 27: ...at 0 and controlled temperature is higher than SV 0 5㷄 Compressor L is turned on When controlled temperature is SV 0 5㷄 Compressor L is turned off 6 Monitor of freezer status 1 Abnormal ambient temperature When ambient temperature is equal or lower than 0㷄 or equal or higher than 35㷄 Status 1 is displayed 2 Voltage decline When the voltage decreases in about 170V Status 2 is displayed When the uni...

Страница 28: ...ccumulating time is over than 5 6 years Please exchange fan motor is indicated 12 Warning message Y M D H M S High temp alarm High Temp Warning 20XX XX XX XX XX XX Low temp alarm Low Temp Warning 20XX XX XX XX XX XX Power failure alarm Power failure Warning 20XX XX XX XX XX XX Filter alarm Please check a condenser filter 13 Setting specifications Internal temperature 155㷄 125㷄 Initial 150㷄 Ring Ba...

Страница 29: ... tone Buzzer for Door Alarm Intermittent tone Buzzer beeps intermittently after delay time has passed since door was open Shut door or press BUZZER key to stop buzzer beeping z Remote alarm does not activate Buzzer for Filter Alarm Intermittent tone Buzzer beeps intermittently when temperature in filter sensor is equal or higher than 48 0 Buzzer stops beeping when temperature in filter sensor is e...

Страница 30: ... K S v c C a n c e l 0 1 0 2 1 1 1 2 1 3 1 4 1 5 1 6 1 7 1 8 1 9 2 0 2 1 2 2 2 3 2 4 2 5 2 6 2 7 2 8 2 9 3 0 3 1 3 2 3 3 3 4 3 5 3 6 3 7 3 8 3 9 4 0 1 T o p S c r e e n 2 T e mp 1 5 0 o C 3 A l a r m䋺 N o r ma l 4 S t a t u s 䋺 S t a n d b y 5 D o o r 䋺 C l o s e d 6 2 0 0 6 0 7 0 1 1 2 0 0 0 0 １５０ M E N U S e t L o g T o o l s 0 1 0 2 0 3 0 4 0 5 0 6 0 7 0 8 0 9 1 0 1 1 1 2 1 3 1 4 1 5 1 6 1 7 1 ...

Страница 31: ... 2 6 2 7 2 8 2 9 3 0 3 1 3 2 3 3 3 4 3 5 3 6 3 7 3 8 3 9 4 0 1 P a s s w o r d 2 3 F o r S e r v i c e T o o l s 4 5 P a s s w o r d 6 M E N U O K C a n c e l 0 1 0 2 0 3 0 4 0 5 0 6 0 7 0 8 0 9 1 0 1 1 1 2 1 3 1 4 1 5 1 6 1 7 1 8 1 9 2 0 2 1 2 2 2 3 2 4 2 5 2 6 2 7 2 8 2 9 3 0 3 1 3 2 3 3 3 4 3 5 3 6 3 7 3 8 3 9 4 0 1 C on f i r ma t i o n 2 3 A r e y o u s u r e t o d e l e t e 4 5 A l l U s e r...

Страница 32: ...sed with locked Solenoid OFF The screen shows unlocked and door open Note You cannot input ID and Password at the time Input ID and Password without pressing ENTER key to indicate digits one by one Press ENTER key after all 7 digits are input Ex ID 123 Password Note If you don t press ENTER key within 30 seconds since you input 1st digit of ID buzzer beeps to revert to STANDBY automatically 0 1 0 ...

Страница 33: ... t i o n 2 3 A r e y o u s u r e t o d e l e t e 4 5 A l l U s e r H i s t o r y 6 M E N U O K C a n c e l 0 1 0 2 0 3 0 4 0 5 0 6 0 7 0 8 0 9 1 0 1 1 1 2 1 3 1 4 1 5 1 6 1 7 1 8 1 9 2 0 2 1 2 2 2 3 2 4 2 5 2 6 2 7 2 8 2 9 3 0 3 1 3 2 3 3 3 4 3 5 3 6 3 7 3 8 3 9 4 0 1 S e l e c t T o o l s M D F 2 1 5 6 3 㩷 㩷 㩷 㩷 㩷 㩷 D e f a u l t S e t t i n g 4 D a t e T i me 5 K e y L o c k S e t t i n g 㩷 L o ...

Страница 34: ...ure indicator Communication box cover Back up Remote alarm switch test switch Remote alarm terminal Back up Analog output terminal switch AT sensor Battery switch Grille Power supply switch Exhaust air vent Temp control knob Parts layout ...

Страница 35: ...32 Main PCB 12P terminal Noise filter Running capacitor Starting Capacitor Compressor H Fan motor Filter sensor Compressor L 䋼Electric BOX䋾 䋼Control BOX䋾 ...

Страница 36: ... 80 70 60 50 40 30 20 10 0 0 1 2 3 4 5 6 7 8 9 10 11 12 Time scale hour Chamber temp Test Data Pull down data Φ3 50Hz AT30 160 140 120 100 80 60 40 20 0 20 40 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 Time scale hour Chamber temp 1 2air temp ...

Страница 37: ...ture uniformity for MDF C2156VAN Conditions chamber air temp 㱢3 50Hz AT30㷄 䋭147㷄 䋭146㷄 䋭149㷄 䋭149㷄 䋭150㷄 䋭150㷄 䋭149㷄 䋭150㷄 䋭151㷄 㩷 㩷 㩷 㩷 㩷 Temperature variation for MDF C2156VAN Conditions chamber air temp 㱢3 50Hz AT30㷄 2㷄 150㷄 2㷄 㩷 ...

Страница 38: ...35 POWER CONSUMPTION 220V50Hz AT30 0 0 0 5 1 0 1 5 2 0 0 2 4 6 8 10 12 14 16 18 20 TIME hour POWER CONSUMPTION kW CURRENT 220V50Hz AT30 0 2 4 6 8 10 0 2 4 6 8 10 12 14 16 18 20 TIME hour CURRENT A ...

Страница 39: ...36 POWER CONSUMPTION 220V60Hz AT30 0 0 0 5 1 0 1 5 2 0 2 5 0 2 4 6 8 10 12 14 16 18 20 TIME hour POWER CONSUMPTION kW CURRENT 220V60Hz AT30 0 2 4 6 8 10 0 2 4 6 8 10 12 14 16 18 20 TIME hour CURRENT A ...

Страница 40: ...0 0 2 4 6 8 10 12 14 16 18 20 Time scale hour Pressure MPa abs L pd H pd L ps H ps 0 10 0 17 1 38 1 70 Unit pressure data 60Hｚ AT30 0 0 0 5 1 0 1 5 2 0 2 5 3 0 0 2 4 6 8 10 12 14 16 18 20 Time scale hour Pressure MPa abs L pd H pd L ps H ps 1 70 1 45 0 15 0 10 ...

Страница 41: ...䌲䋩 䌴䌥䌭䌰䋨㷄䋩 䌌㩷䌅䌶䌡㩷䌯䌵䌴 䌈㩷䌅䌶䌡㩷䌯䌵䌴 㽲 㽳 㽴 㽵 㪘㪫㪑㩷㪊㪇㷄 㪣㫆㪸㪻㪑㩷㪌㪇㪇㫄㫃㩷㬍㪋㪇㩷㪹㫆㫋㫋㫃㪼㫊㩷㪔㩷㪉㪇㪣㩷㫎㪸㫋㪼㫉 㪤㪼㪸㫊㫌㫉㫀㫅㪾㩷㫇㫆㫀㫅㫋㪑㩷㪚㪼㫅㫋㪼㫉㩷㫆㪽㩷㪼㪸㪺㪿㩷㪹㫆㫋㫋㫃㪼 㪤㪛㪝㪄㪚㪉㪈㪌㪍㪭㪘㪥䇭㪪㪸㫄㫇㫃㪼㩷㫃㫆㪸㪻㩷㫋㪼㫊㫋䇭㪪㪭㪑㪄㪈㪌㪇㷄 㪄㪈㪍㪇 㪄㪈㪌㪇 㪄㪈㪋㪇 㪄㪈㪊㪇 㪄㪈㪉㪇 㪄㪈㪈㪇 㪄㪈㪇㪇 㪄㪐㪇 㪄㪏㪇 㪄㪎㪇 㪄㪍㪇 㪄㪌㪇 㪄㪋㪇 㪄㪊㪇 㪄㪉㪇 㪄㪈㪇 㪇㪅㪇 㪈㪅㪇 㪉㪅㪇 㪊㪅㪇 㪋㪅㪇 㪌㪅㪇 㪍㪅㪇 㪎㪅㪇 㪏㪅㪇 㪐㪅㪇 㪈㪇㪅㪇 䌴䌩䌭䌥䋨䌈䌲䋩 䌴䌥䌭䌰䋨㷄䋩 䌌㩷䌅䌶䌡㩷䌯䌵䌴 㽲 㽳 㽴 㽵 䌈㩷䌅䌶䌡㩷䌯䌵䌴 ...

Страница 42: ...39 㪤㪛㪝㪄㪚㪉㪈㪌㪍㪭㪘㪥䇭㪪㪸㫄㫇㫃㪼㩷㫃㫆㪸㪻㩷㫋㪼㫊㫋䇭㪪㪭㪄㪈㪉㪌㷄 㪄㪈㪍㪇 㪄㪈㪌㪇 㪄㪈㪋㪇 㪄㪈㪊㪇 㪄㪈㪉㪇 㪄㪈㪈㪇 㪄㪈㪇㪇 㪄㪐㪇 㪄㪏㪇 㪄㪎㪇 㪄㪍㪇 㪄㪌㪇 㪄㪋㪇 㪄㪊㪇 㪄㪉㪇 㪄㪈㪇 㪇 㪉 㪋 㪍 㪏 㪈㪇 䌴䌩䌭䌥䋨䌈䌲䋩 䌴䌥䌭䌰䋨㷄䋩 㽲 㽳 㽴 㽵 䌌㩷䌅䌶䌡㩷䌯䌵䌴 䌈㩷䌅䌶䌡㩷䌯䌵䌴 ...

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