RFP341C001 Downloaded from Fridge-Manual.
SPECIFICATIONS * is the Color 1. Model Information Buyer No. RF-420N* RN-420N* Factory No. RFP-341N….C RFP-341N….N Control Type FCP Button Control Total 375 375 Freezer 120 120 Refrigerator 255 255 Total 332 332 Freezer 90 90 Refrigerator 242 242 Width 595 595 Depth 657 657 Height 1898 1898 Refrigerant Type R-134a R-600a Refrigerant Charge 0.095kg 0.040kg Gross Vol. (ISO 15502) Storage Vol.
SPECIFICATIONS 2. Interior Parts - Features are model dependent ( Below is RF-420N 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. Vegetable Case 2 Downloaded from Fridge-Manual.
SPECIFICATIONS 3. Machine (Compressor) Compartment View 3 - Features are model dependent ( Below is RF-420N 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. Pipe Connector B 3 Downloaded from Fridge-Manual.
SPECIFICATIONS 4. Refrigerant Cycle - Welding Point Copper Welding ( Ag 5%) 6 Point Silver Welding ( Ag 30%) 3 Point 4 Downloaded from Fridge-Manual.
SPECIFICATIONS 5. Temperature Diagram * Features are model dependent ( Below model is RF-420NT ) Refrigerator Dial Mode LOW ('1') : 3 ~ 6 degree MID ('3') : 0 ~ 3 degree HIGH ( '5' ) : -2 ~ 0 degree Vegetable compartment : 1 ~ 5 degree Freezer Mode HIGH : below -20 degree MID : -18 ~ -20 degree LOW : -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. For RF-420N Models 6 Downloaded from Fridge-Manual.
SPECIFICATIONS 6. Wiring Diagram 6-2. For RN-420N (R-600a) Models 7 Downloaded from Fridge-Manual.
SPECIFICATIONS 6. Main PCB Circuit Diagram ( Only for RF-420N and RN-420N Models ) 8 Downloaded from Fridge-Manual.
FUNCTIONS 1. DISPLAY INPUT CONTROL OBJECT PCB Control Panel Buttons PCB Control Panel LED Temperature adjustment button for refrigerator compartment. “Super Cool” button Reference Page No. 10 18 11 LED DISPLAY FUNCTION OPERATION LED “3” on TEMP STEP “3” Push “TEMP” button 1 time. LED “4” on TEMP STEP “4” Push “TEMP” button 2 times. LED “5” on TEMP STEP “5” Push “TEMP” button 3 times. LED “1” on TEMP STEP “1” Push “TEMP” button 4 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 “3” 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 “3” 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. ) Unscrew Panel F Control. 2 4 Lift up the Window FCP. ( Input cutterr deeply to lift up easily.) Pull up the Panel and disconnect the wire connector. 2. Door Switch 2-1. RF-420N.. 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. RN-420N.. 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. 21 Downloaded from Fridge-Manual.
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. Default position is 'M' 22 Downloaded from Fridge-Manual.
How to change Door opening Dirction (Reversable) Below process is for RN-420N (Refrigerant type : R-600a) models. Some parts are differ to RF-420N models. ( Hinge Cover, Door Switch, Wire Harness and Button Door Switch. ) When you change door opening direction ( RF-420N models ), please refer page 20 (Door switch Disassemlby) and below. No Procedure Procedure No Button 1 Hidden Wire 6 Cover Bushing After hiding door wire harness, remove the button Door Remove top cover hinge screw with (+) driver.
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. 24 Downloaded from Fridge-Manual.com Manuals Assemble Door and hing cover.
How To Charge R-600a Refrigerant 1. Safety Warning ( R-600a Refrigerant Models Only, RN-420N.. ) 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 3th Step. Exchanging comp. & dryer / pipe welding - For removing of remaning refrigerant., connect the discharging hose to the vacuum pump -Time : 10min 6th Step. Charge R-600a 5th Step. Vacuum Coupling cap and gas charging cap should be seperated before welding.
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.
Cabinet Cabinet / Evaporator / Compressor Compartment 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. PART-CODE 40 3017847100 SHELF R INSERT AS . 2 2 41 3010669900 BRACKET MULTI GPPS 1 1 42 3017847100 SHELF R INSERT AS .
Refrigerator & Freezer Door Compartment Cabinet NO PART-CODE PART NAME 60 3019056100 POCKET DAIRY AS 61 3011190800 62 SPEC.
