S/M No.: RF-421N.. RN-421N.. RFP-342.. RF-422N.. RN-422N.. RFP-343..
SPECIFICATIONS * is the Color 1. Model Information Buyer No. RN-421N* RN-422N* Factory No. RFP-342 RFP-343 Control Type Total 375 Freezer 120 Refrigerator 255 Total 332 Freezer 90 Refrigerator 242 Width 595 Depth 657 Height 1898 Refrigerant Type R-600a / R-134a Refrigerant Charge 0.040kg / 0.095kg(R-134a) Evaporator Type Fin Type Condenser Type Fan Cooling System Dryer Molecular Sieve xH-9 Capillary Tube ID0.7 x T0.
SPECIFICATIONS 2. Interior Parts - Features are model dependent ( Below is RN-421N model ) 9 2 1 3 4 10 5 6 7 8 11 1. Refrigerator Shelves 7. Feezer Case B 2. Lamp Window 8. Freezer Case C 3. Multi Duct 9. Dairy Pocket As 4. Basket Multiple (option ) 10. Refrigerator Pocket 5. Cover Vegetable Case 11. Adjustable Foot 6.
SPECIFICATIONS 3. Machine (Compressor) Compartment View 3 - Features are model dependent ( Below is RN-421N model ) 4 12 1 13 Compressor 2 5 6 7 8 9 10 1. Capacitor Run 8. Compressor Absorber 2. Power Cord 9. Dryer As 3. Suction Pipe As 10. Pipe Wire Condensor As 4. Pipe Absorber 11. Case vaporization As 5. Box Relay As 12. Drain Hose 6. Fixture Compress (Washer) 13. Compressor Cooling Fan 7.
SPECIFICATIONS 4.
SPECIFICATIONS 5. Temperature Diagram * Features are model dependent ( Below model is RN-421N* ) Refrigerator Dial Mode MIN : 3 ~ 6 degree NOR : 0 ~ 3 degree MAX : -2 ~ 0 degree Vegetable compartment : 1 ~ 5 degree Freezer Mode MAX : below -20 degree NOR : -18 ~ -20 degree MIN : -16 ~ -18 degree ; The actual inner temperature varies depending on the food status, as the indicated setting temperature is a target temperature, not actual temperature within refrigerator.
SPECIFICATIONS 6. Wiring Diagram 6-1.
SPECIFICATIONS 6-2.
SPECIFICATIONS 6-3.
FUNCTIONS 1. DISPLAY INPUT CONTROL OBJECT PCB Control Panel Buttons PCB Control Panel LED Temperature adjustment button for refrigerator “Super Cool” Reference Page No. 9 18 LED DISPLAY FUNCTION OPERATION LED “NOR” on TEMP STEP “NOR” Initially position LED “MAX-NOR” on TEMP STEP “MAX-NOR” Push “TEMP” button 1 times. LED “MAX” on TEMP STEP “MAX” Push “TEMP” button 2 times. LED “MIN” on TEMP STEP “MIN” Push “TEMP” button 3 times.
FUNCTIONS 2. Temperature Control of Refrigerator Compartment INPUT CONTROL OBJECT PCB Control Panel “TEMP” Buttons PCB Control Panel LED COMPRESSOR, FAN R-sensor A. “TEMP” Button 1. Temperature control of Refrigerator compartment 2. 5 step mode of successive temperature mode 3. Initial mode by power input: step “NOR” 4. Temperature will be set if the button doesn’t get pressed again within 5 sec.
FUNCTIONS 3. Defrost Mode INPUT CONTROL OBJECT Total COMP Work Time / COMP Working Rate Total Door Open Time / RT Defrost Mode Conditions of Defrost Mode A. When total operation time of compressor becomes: 6, 8, 10, 12 hours. - any error mode-R1, D1, F3, C1, RT/S, Door SW error- happens. - or, running rate of COMP (per 2hrs of total operation time) is more than 80%. - or, total door open time is over 3 minutes. - or, ambient temperature (RT) is more than 40C. B.
FUNCTIONS 3. Defrost Mode INPUT CONTROL OBJECT Total COMP Work Time / COMP Working Rate Total Door Open Time / RT Defrost Mode Initial Defrost A. When initial power input or returning power failure. if the temperature at the Defrost Sensor is below 3.5 C, Defrost Mode starts. ( It prceeds from 'PRE-COOL' ), [ PRE-COOL - Heater On - Pause (10min) - Normal Operation ] B. Initial defrost mode starts after 'Prevention of Compressor Restart'. ( Refer to function No.
FUNCTIONS 4. Function of Low Ambient Temperature (RT) INPUT CONTROL OBJECT RT R-HTR COMP A. Condition of LOW RT - LOW RT Period : RT sensor below 19C - When the temperature of RT sensor is over 20C, the system comes to be “General Operation Mode”. - When the temp. of RT sensor is between 19°C to 20C, the system keeps the previous mode. B. Control - When Comp. is on, R-HTR is off. - When it passes 6 min after COMP is off, R- HTR is on. - COMP can’t be on within 30 min after COMP is off.
FUNCTIONS 7. Time Reduction INPUT CONTROL OBJECT ”FAST KEY” Buzzer A. HOW TO REDUCE - 1 min : Click FAST KEY one time on MAIN PCB. - 30 min : If you press FAST KEY continuously, you can reduce 30 minutes on each 2.5 seconds with buzzer. B. Practice Use : Can be applied to reduce needless time on test. EX) function of stop for 6 min 8. Demonstration Function INPUT CONTROL OBJECT “TEMP” +”S-COOL” Buttons Display Panel A. START : by pressing “TEMP” and “S-COOL” buttons for 5 seconds. B.
FUNCTIONS 9. Control of R-sensor OFF Point INPUT CONTROL OBJECT ”J1” , “J2” On Main PCB Control Resistance of R sensor OFF Point A. LOW COOLING OPTION ( Weak Cooling ) - When the refrigeration of refrigerator is poor or weak though Fan and COMP are working continuously, the following actions are recommended for service. - Resistance (R47) : Default resistance (31.4Kohms) - Resistance (R45) : Cut the “J1” off to reduce basic resistance by 1.5°C.
FUNCTIONS 9. Control of R-sensor OFF Point INPUT CONTROL OBJECT Input voltage of MICOM R-sensor ON/OFF Point ”J3” & “R30” On Main PCB B. Prevention OPTION of EXCESSIVE OR LOW COOLING. 5V MICOM R31 R32 26PIN Va OPTION 3 (P63) R30 J3 CC3 ; The input voltage of MICOM and R-Sensor ON/OFF point by changing J3 & R30. TEMP. STEP “3” APPLICATION MICOM ON OFF (MAIN PCB) INPUT VOL. 1 0.3C -1.4C - 0V STANDARD 2 -1.4C -3.1C J3(CUT), R30 (680ohm) 0.3V -1.7C 3 -1.1C -2.
FUNCTIONS 9. Control of R-sensor OFF Point INPUT CONTROL OBJECT Input voltage of MICOM R-sensor ON/OFF Point ”J4” & “R23” On Main PCB C. Changing Difference between R-sensor “On” point and “Off” point. 5V MICOM R25 R28 27PIN Va OPTION 2 (P64) R23 J4 CC6 ; The input voltage of MICOM and R-Sensor ON/OFF DIFF. by changing J4 & R23. TEMP. STEP “3” APPLICATION MICOM ON OFF (MAIN PCB) INPUT VOL. 1 0.3C -1.4C - 0V 1.7C 2 -1.0C -1.4C J4(CUT), R23 (680ohm) 0.3V 0.4C 3 -0.7C -1.
FUNCTIONS 10. Error Display INPUT CONTROL OBJECT PCB Control Panel Buttons / Door LED Lamp - ERROR DISPLAY - To confirm error happens or not, push S-COOL” button for continuously and “TEMP” button 5 times. - To stop the Error Display Set, push “TEMP” button 1 times, or wait 4 minutes. - After operations back to normal, the displays come to be reset. A. R1 ERROR (It happens when R-Sensor is OPEN or SHORT) - DISPLAY : STEP “NOR” LED is on & off continually.
FUNCTIONS 11.
DISASSEMBLY 1. Front PCB Procedure No No 1 Procedure 3 Inuput a cutter sleeve between Window FCP and Panel F control. ( Be careful not to scratch the surface. ) Disconnect the Panel F Control from the wire. 2 4 Lift up the Window FCP. ( Input cutterr deeply to lift up easily.) Separate the FCP and disconnect the screw. 2. Door Switch 2-1. R-134a Models Procedure No No 1 Procedure 2 Inuput a thin driver in the right part as above picture. Move switch to left side. And lift up to remove.
DISASSEMBLY 2-2. R-600a Models Procedure No No 1 Procedure 3 Remove top cover hinge screw with (+) driver. Remove the Door Switch from the cover hinge. 2 4 Separate the Cover hinge by using driver. Disconnect door switch connector. Be careful not to scratch the cabniet surface. 3. Multi-Duct As ( In Freshfood Compartment ) Procedure No No Procedure 1 Remove screw cap with flat driver 3 2 Unscrew 2 points Disconnect the Lamp & Sensor wire housing.
DISASSEMBLY 4. Freezer Louver As No Procedure Procedure No 1 4 Unscrew the fixing screw to remove the Louver F As Remove 3 screws in order to disassemble Louver F As. 2 5 Remove the Louver F As pulling the top side. When disassembling check the Knob position. 3 6 L M H Disconnect Fan motor wire housing.
How to change Door opening Dirction (Reversable) Below process is for RN-420N…423N (Refrigerant type : R-600a) models. Some parts are differ to RN-420N…423N models. ( Hinge Cover, Door Switch, Wire Harness and Button Door Switch.
How to change Door opening Dirction (Reversable) No Procedure No 11 Procedure 14 Screw the middle hinge to fix the Freezer Door. Connect the wire harness to door swtich. ( Washer should be up. ) ( Be careful the dircetion. ) 12 15 Also assemble wire cover on the top plate. ( On the right 13 Change the plate position and separate door switch. 25 Assemble Door and hing cover.
How To Change Door Position 1. Refrigerant type : R-134a Models 1-1. Remove the Door As a. Remove 'Top Cover Hinge' and 'Top Hinge' b. Separate 'Refrierator Door'. c. Remove 'Middle Hinge' d. Separate 'Freezer Door'. e. Remove 'Cover Bracket'. f. Remove 'Under Hinge'. 1-2. Reverse the Door Accessories g. Reverse the position of 'Cover Bushing Refrigeraor Door' - Unscrew and remove 'Harness Cover'. - Take out 'Left Door Harness' and assemble 'Harness Cover' on 'Right Door Harness'. h.
How To Change Door Position 1-3. Reassemble the Freezer and Refrigerator Door j. Assemble the 'Under Hinge' on the left. k. Attach the 'Freezer Door' to Cabniet. l. Assemble the 'Middle Hinge' on the left. m. Attach the 'Refrigerator Door' to Cabinet. ( Be careful not to fall down ) n. Assemble 'Top' hinge and connect the wire. o. Fix the 'Hinge Cover' with screw. p. Assemble the 'Cover Bracket'.
How To Change Door Position 2. Refrigerant type : R-600a Models 2-1. Remove the Door As a. Remove 'Top Cover Hinge' and 'Top Hinge' ( See Page 21 for reference. ) b. Separate 'Refrierator Door'. c. Remove 'Middle Hinge' d. Separate 'Freezer Door'. e. Remove 'Cover Bracket'. f. Remove 'Under Hinge'. 2-2. Reverse the Door Accessories g. Reverse the position of 'Cover Bushing Refrigeraor Door' - Unscrew and remove 'Harness Cover'.
How To Change Door Position 2-3. Reassemble the Freezer and Refrigerator Door j. Assemble the 'Under Hinge' on the left. k. Attach the 'Freezer Door' to Cabniet. l. Assemble the 'Middle Hinge' on the left. m. Attach the 'Refrigerator Door' to Cabinet. ( Be careful not to fall down ) n. Assemble 'Top' hinge and connect the FCP wire. o. Connect the 'Door Switch' wire housing. Assemble the 'Door Switch' on the other side. p. Assemble the 'Cover Bracket'.
How To Charge R-600a Refrigerant 1. Safety Warning ( R-600a Refrigerant Models) This appliance contains a certain amount of isobutane refrigerant (R600a) a natural gas with high environmental compatibility that is, however, also combustible. When transporting and installing the appliance, care should be taken to ensure that no parts of the refrigerating circuit are damaged. Refrigerant squirting out of the pipes could ignite or cause an eye injury.
How To Charge R-600a Refrigerant 3. Process Summary 1st Step. R-600a ref. discharging 2nd Step. Removing the remaning refrigerant - Connect the discharging hose to the outdoors. - Time : 7 min. 4th Step. Welding coupling pipe Coupling cap and gas charging cap should be seperated before welding. 3th Step. Exchanging comp. & dryer / pipe welding - For removing of remaning refrigerant., connect the discharging hose to the vacuum pump -Time : 10min - Exchange Comp.
How To Charge R-600a Refrigerant NO. S VC process Image Details 1. And then, connect the vacuum pump to the outlet of discharging hose 4 Remov ing the remaining ref. ※Vacum pump should be placed at the outdoor where is able to clear air easily. ※ It should have enough time more than 10 minutes to discharge. 1.
How To Charge R-600a Refrigerant NO. SVC process Image Details 1. Weld after inserting the coupling pipe to the compressor. 9 Coupling pipe welding ※ Use the wet cloth for preventing the other part of machinery-room from damage. 1. Reassemble the valve ass'y with coupling pipe to clockwise. 2. Connect the blue hose of the guage to the coupling pipe and the yellow hose 10 Valv e reass' y & guage connecting to the vacuum pump. 3. Open the blue guage lever and start the vacuum pump 1.
How To Charge R-600a Refrigerant NO. S VC process Image Details 1. Conect can adapter to the coupling pipe. 14 2. Charge the ref. with open lever slowly. Connecting of coupling pipe & adapta ※ Refrigerant should never leak in the room. 1. On the power of refrigerator and then start to charge the ref. (10min) 15 Charging ※ Charge the ref. until going out the water vapour condensing on the can outlet. 1. Check the leakage. 16 Leakage Test ※ You must rework from Step.1 when the leakage is detected.
Refrigerator & Freezer Door Compartment Cabinet NO PART-CODE 3000077880 62 62-2 63-1 ASSY R DR RFP-342, AL/SIVER RFP-342, WHITE ASSY R DR URT RFP-342, AL/SIVER 30100A4900 RFP-342, WHITE 3012321200 GASKET R DR AS RFP-340 3014246700 PANEL F CONTL ABS, BLACK ABS, WHITE WINDOW F PCB 64-1 3016308300 BUTTON FCP *U 3016308100 BUTTON FCP *T 65 30143HL160 PCB FRONT AS 65-1 7173300811 SCREW TAPPING ASSY F DR DOOR F PRE AS 1 1 RFP-342 TT2 BIN 3*8 MFZN RFP-341(SILVER) 1 RFP-341(T/SILVER
Cabinet / Evaporator / Compressor Compartment Cabinet NO PART-CODE 1 2 2 3 4 5 6 7 8 9 10 10-1 10-2 10-3 11 11-1 11-2 12 13 14 15 3001416620 30143G1060 30143G1070 3001412220 3018125601 3001427720 3012929000 3001411920 3018120200 3010937710 3017065200 3012764100 3017202800 3012822000 3017068200 3012769400 3012823000 3012928900 3012105101 3001415620 3012929100 COVER M/PCB BOX AS PCB MAIN AS PCB MAIN AS COVER CAB HRNS SWITCH H/BAR DR AS COVER *T HI AS HINGE *T AS COVER *T HI SWITCH DR AS CAP DV HI HOLE *M
Refrigerator & Freezer Compartment Cabinet PART NAME SPEC. Q'ty NO PART-CODE 40 3017847100 SHELF R INSERT AS . 2 2 41 3010669900 BRACKET MULTI GPPS 1 1 1 RF-430N RN-430N 42 3017847100 SHELF R INSERT AS .
Refrigerator & Freezer Door Compartment Cabinet NO 62 62-1 62-2 63-1 63-2 64-1 64-2 65 65-1 66 66-1 66-2 67-1 67-2 68 69 70 71 72-1 72-2 72-3 73 PART-CODE 3000077880 3000077870 3000077860 30100A4920 30100A4910 30100A4900 3012321200 3014246700 3014246200 3015518200 3015518100 3016308300 3016308000 3016308100 3016307900 30143HL160 7173300811 3000077500 3000077510 3000077520 3011783220 3011783220 3011783220 3012321100 3001426300 3019056000 3011190800 3019055900 3019055800 3012532100 3011654200 3011653000
