Relay Function, How it works | Daewoo frs20 manual

5-3. Relay Function

- Basic Model

CONTENTS

1. Circuit Diagram

IC1

(MICOM)

Comp

Comp

R-Lamp

Louver Heater

	F-Lamp
D-Heater		Louver Heater
		Louver Heater

			D-Heater

REMARKS

2. How it works;

		Control Mode	ON Condition			OFF Condition
	Control	Control Mode		IC ULN2004			IC ULN2004
	Control	Method	MICOM Port	IC ULN2004		MICOM Port	IC ULN2004
		Method	MICOM Port	Output pin		MICOM Port	Output pin
				Output pin			Output pin
	Comp	Relay 1	#1≒5.0V		#10≒0.7V	#1≒0V		#10≒12V
	Louver Heater	Relay 3	#3≒5.0V	IC7	#12≒0.7V	#3≒0V	IC7	#12≒12V
	D-Heater	Relay 5	#5≒5.0V		#14≒0.7V	#5≒0V		#14≒12V

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Daewoo frs20 manual Relay Function, How it works

Contents

Refrigerator N T E N T S Page External Views FRSN-U20DB / EB FRSN-U20FB / GB Name of Each Parts Freezer Compartment Refrigerator Compartment Freezer Compartment Refrigerator Specification AC220V / 192W Specification 220~240V Models onlyDoor Switch , F / R Basic Model Dispenser Model Display Operation and Functions Front PCB button Dispenser Model Reference Please wait Defrosting Cycle Fan Heater Defrost ModeComp Flow Chart of Defrosting Start Voltage Forced Defrosting ModeFan Voltage of Control Mode Sensor FAN, R-FAN, C-FAN Control of Interior Lights FRSN-U20DA Buzzer or Alarm ControlLouver Heater Control Basic Model Demonstration Main PCB Resistance of R-sensor Mid ON/OFF Point Compensation of R-sensor ON/OFF Point Basic Model LED Display of Inner Control Error Display RT-S Dispenser Model Cled Display of Front PCB Error Code Contents Basic Model Dispenser Model Eierror Dispenser Model Front PCB Summary of FunctionBasic Model Inner Control Automatic Icemaker Dispenser Model Back up Function Basic Model Start Ice separating drop mode Dispenser Control Function Lamp Water S/V ※ Voltage of every part Power Circuit DiagramCircuit Operation Basic Model Dispenser Model Micom Function of Each Sensor Dispenser Model How it works Relay Function IC8 Fan Function Wiring Diagram Diagram Dispenser Model Circuit Diagram of Main PCB Page Dispenser Model Page Inner View Component Locate WiewFront View Dispenser + Home bar Model Machine Compartment Evaporator How to check Hose Ice Maker Tube As HOW to Check Each PartsHose Ice Maker Tube Assembly Disassembling Procedure How to Check Hose Ice Maker Tube Assembly Bracket Geared Motor Assembly How to Check Micro Switch Dispenser Micro Switch ▷Check Change Flap Heater AS Dispenser Solenoid Valve▷ Good 215Ω±10% SOL2003-01B 193 ~ 236Ω 88 ~ DC 12V,1.5W Check Point Remark Main PCB Compensation Used when making R-temp. down ▷ Remove 2 screws on top front of ice maker Ice Maker On Close How to Check Ice MakerIce Dropping Motor ▷ Good RS-360RH-14250 ~ 14Ω Blue Circle Start Faulty Start F/R lights OFF , F-PCB Power OFF※ How to replace Front PCB Trouble Diagnosis Defrost Heater 192W 252 Ω Freezer Compartment4th pipe from buttom Removing and replacing Freezer parts Removing and replacing Freezer parts Defrost Heater Ice Formation on F-Louver Start Cover and pull forward Disconnection / breaking of Freezer Lights Wires StartSwitch to pull forward Light cover Refrigerator Compartment Bulbs Disconnection / Breaking of Refrigerator Lights Wires StartRemove screws of light cover Hold the bottom Cover and pull Change the light Door is open too long ? Sensor is OK ? +screw driver Removing of Check Valve Operation Noise of Refrigerator Page Attach a absorber on point ③ accumulator Troubleshooting of Evaporator Sound Fan Noise Start Fan is damaged Or transformed ? Troubleshooting of Fan Noise Pipe Noise Start Door Cooling Cycle Heavy Repair Contents Tools Drier part with a nipper and then cut low pressure side Precautions During Heavy RepairBe sure to replace drier when repairing pipes Use special parts and tools for R-134a or R-600a Remove residual refrigerant more than 5 minutes later after Practical Work for Heavy Repair Be sure to charge To the low pressure sideClose valve ① An evacuated bombe Electronic leakage tester Take a leakage test on the welded or suspicious area with an Compressor Suction Pipe HighLow Brazing Reference Drawings Width*Depth*Height 903mm X 734.5mm X 1790mm Installation GuideInstallation Preparation Dimensions including Door Handles ※Remove front bottom cover first, if it is attached If the refrigerator can not enter the door Replacing Freezer Door Case freezer door is lower Than refrigerator door Refrigerator Leveling & Door Adjustment Leave a sufficient distance when cutting the tubes Join connector to water tap Get ready to install water line 2Insert the fastening ring into the Water tube Remove any substance from filterAttach the filter box Connect water tube Dispenser Water Flow Cabinet Machine Room / Eva Part Refrigerator Room Freezer Room Freezer Door Refrigerator Door Reference