Manuale d’uso / di manutenzione del prodotto LS-Q076BBG del fabbricante LG Electronics
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SERVICE MANUAL Room Air Conditioner CA UTION - BEFORE SER VICING THE UNIT , READ THE SAFETY PRECA UTIONS IN THIS MANU AL. - ONL Y FOR A UTHORIZED SER VICE PERSONNEL.
Contents Details of LG Model Name(2002) .......................................................................................... 3 Details of LG Model Name(2003) .......................................................................................
Details of LG Model Name(2002) -3- 12 3456789 Code T ype Code of Model Meaning 1,2 T ype of Airconditioner A~Z LS: LG Split T ype Airconditioner 3 Chassis A~Z Name of toll of Unit Ex. LS-R ➔ S R Chassis 4,5 Capacity(Btu/h) 1~9 Cooling/Heating Capacity Ex.
Details of LG Model Name(2003)~ -4- 12 - 3456789 1 0 Code T ype Code of Model Meaning 1 Producing Center , A~Z L: Chang-won R22 N: India Refrigerant A: Chang-won R410A Z: Brazil C: Chang-won R407C D: .
Functions • Room temperature sensor . (THERMIST OR) • Maintains the room temperature in accordance with the Setting T emp . • Indoor f an is dela yed f or 5 sec at the star ting.
-6- Healthy Dehumidification Operation Mode. ( ) Remote Control Operation ON/OFF Reset Operation Mode Selection Temperature Setting Timer Selection Timer Setting JET COOL Timer Cancel Sleep Operation Airflow Direction Control (Cooling model only) (Heating model only) TEMPERATURE LOW HIGH Cooling Operation Mode.
-7- Healthy Dehumidification Operation Mode. ( ) Remote Control Operation ON/OFF Reset Operation Mode Selection Temperature Setting Timer Selection Timer Setting JET COOL Timer Cancel Sleep Operation Airflow Direction Control (Cooling model only) (Heating model only) TEMPERATURE LOW HIGH Cooling Operation Mode.
-8- Pr oduct References NO TE: Please refer to Label Quality on the product since this specification ma y be changed for impro ving perf ormance Model Name Item Unit Cooling Capacity Btu/h Heating Capacity Moisture Remov al l /h P ower Source Ø ,V ,H z Cooling W Heating Running Cooling A Current Heating E.
-9- NO TE: Please refer to Label Quality on the product since this specification ma y be changed for impro ving perf ormance Model Name Item Unit Cooling Capacity Btu/h Heating Capacity Moisture Remov al l /h P ower Source Ø, V , Hz Cooling W Heating Running Cooling A Current Heating E.
-10- Installation plate D H W MODEL DIM Unit W mm 824 H mm 260 D mm 155 All Models Dimensions (1) Indoor Unit.
-11- (2) Outdoor Unit W L2 L3 L1 D H L4 L5 Gas side (3-way valve) Liquid side (2-way valve) MODEL DIM unit W mm 564 H mm 525 D mm 265 L1 mm 294 L2 mm 66 L3 mm 374 L4 mm 17 L5 mm 270 7k Heat Pump, 8k C.
-12- (3) Outdoor Unit W L2 L3 L1 D H L4 L5 Gas side (3-way valve) Liquid side (2-way valve) MODEL 9k Heat Pump DIM unit W mm 770 H mm 540 D mm 245 L1 mm 285 L2 mm 65 L3 mm 518 L4 mm 10 L5 mm 100.
Refrigeration Cycle Dia gram -13- INDOOR UNIT OUTDOOR UNIT INDOOR UNIT OUTDOOR UNIT HEAT EXCHANGE (EVAPORATOR) HEAT EXCHANGE (EVAPORATOR) HEAT EXCHANGE (CONDENSER) HEAT EXCHANGE (CONDENSER) COMPRESSOR.
Wiring Diagram -14- (1) Indoor Unit (2) Outdoor Unit 1. LS-Q076ABL, LS-Q076BBG, LS-Q076BEL LS-Q096ABL, LS-Q096ABG, LS-Q066AHG LS-Q096AEL, LS-Q096BBG, LS-Q096ABM LS-Q096AEM, LS-H096QNA0, LS-Q096BEG 2.
Operation Details 1. MAIN UNIT FUNCTION • DISPLA Y 1) C/O Model Operation Indicator • ON while in appliance operation, OFF while in appliance pause .
• While in compressor off , the indoor f an repeats low airflo w speed and pause. • While the intake air temp is betw een compressor on temp . and compressor off temp ., 10-min dehumidifica- tion operation and 4-min compressor off repeat. Compressor ON T emp .
-17- ■ Fuzzy Operation (C/O Model) • According to the temperature set b y Fuzzy rule, when the intake air temp is 0.5 ° C or more below the setting temp , the compressor is tur ned off. When 0.5 ° C or more abov e the setting temp , the compressor is tur ned on.
-18- 2) Fuzzy Operation for Dehumidification • According to the setting temperature selected b y Fuzzy rule, when the intake air temp is 0.5 ° C or more below the setting temp , the compressor is tur ned off. When 0.5 ° C or more abov e the setting temp, the compressor is turned on.
-19- ■ Off-Timer Operation • When the set time is reached after the time is input by the remote control, the appliance stops oper ating. • The timer LED is on when the off-timer is input. It is off when the time set by the timer is reached. • If the appliance is on pause at the time set by the timer , the pause continues.
-20- ■ Jet Cool Mode Operation (C/O Model) • If the Jet Cool ke y is input at any operation mode while in appliance operation, the Jet Cool mode oper ates. • In the Jet Cool mode, the indoor f an is operated at super-high speed f or 30 min at cooling mode operation.
-21- ■ Remote Control Operation Mode • When the remote control is selected by the slide s witch on the main unit, the appliance operates according to the input by the remote control. ■ Protection of the e vaporator pipe fr om frosting • If the indoor pipe temp is below 0 ° C in 7 min.
Displa y Function -22- Self-diagnosis Function 3sec 3sec 3sec (once) Error Code 1 Error Displa y LED (Indoor body operation LED) Error contents • Indoor room temperature thermistor open/shor t • Indoor pipe temperature thermistor open/shor t. • Indoor Ther mistor assembly chec k SVC check point 1.
1) Selection of the best location 1. Indoor unit • Do not hav e any heat or steam near the unit. • Select a place where there are no obstacles in front of the unit. • Make sure that condensation dr ainage can be conv e- niently routed aw ay . Do not install near a doorwa y .
-24- 3) How to fix installation plate The wall y ou select should be strong and solid enough to pre v ent vibration 1. Mount the installation plate on the wall with four type A screws. If mounting the unit on a concrete wall, use anchor bolts. • Mount the installation plate horizontally by aligning t h ec e n t e r l i n eu s i n gal e v e l .
-25- 2. Flaring W ork and Connection of Piping 1) Flaring work Main cause f or refrigerant leakage is due to def ect in the flaring work. Carr y out correct flar ing work using the f ollowing procedure . 1. Cut the pipes and the cable. • Use the piping kit accessor y or pipes purchased locally .
-26- 2) Connection of piping Indoor • Preparing the indoor unit's piping and drain hose for installation through the wall. • Remov e the plastic tubing retainer(see illustration below) and pull the tubing and drain hose a wa y from chassis. • Replace the plastic tubing holder in the original posi- tion.
-27- • Tighten the flare nut with a wrench. • When e xtending the drain hose at the indoor unit, install the drain pipe. 5. Wrap the insulation material ar ound the connecting portion. • Ov erlap the connection pipe insulation mater ial and the indoor unit pipe insulation material.
-28- 3. Insert the connecting cable into the indoor unit. • Don't connect the cable to the indoor unit. • Make a small loop with the cab le for easy connection later .
-29- • Bundle the piping and drain hose together b y wrap- ping them with cloth tape ov er the range within which they fit into the rear piping housing section. 8. Reroute the pipings and the drain hose acr oss the back of the c hassis. 9. Set the pipings and the drain hose to the back of the chassis with the tubing holder .
-30- 3. Connecting The Cable Between Indoor Unit and Outdoor Unit 1) Connect the cable to the Indoor unit. • Connect the cable to the indoor unit b y connecting the wires to the terminals on the control boar d in dividually accor ding to the outdoor unit connection.
-31- 2) Connect the cable to the outdoor unit 1. Remo ve the control co ver from the unit by loos- ening the screw . Connect the wires to the terminals on the control board individuall y . 2. Secure the cable onto the contr ol board with the cord c lamp.
-32- 4. Chec king the Drainage and Forming the Pipings 1) Checking the draina ge 1. T o remove the fr ont panel from the indoor unit. • Set the air direction louv ers up-and-down to the posi- tion(horizontally) by hand. • Remov e the secur ing screws that retain the front pan- el.
-33- 1. Chec k that all tubing and wiring hav e been properly connected. 2. Chec k that the gas and liquid side ser vice valv es are fully open. 1. Prepare remote control 1. Remov e the batter y cover by pulling it according to the arrow direction. 2.
-34- ST AR T/ST OP BUTT ON Operation star ts when this button is pressed and stops when the button is pressed again. OPERA TION MODE SELECTION BUTT ON Used to select the operation mode . ROOM TEMPERA TURE SETTING BUTT ONS Used to select the room temperature.
-35- Name and Function-Remote Contr ol The remote control transmits the signals to the system. ST AR T/ST OP BUTT ON Operation star ts when this button is pressed and stops when the button is pressed again. OPERA TION MODE SELECTION BUTT ON Used to select the operation mode.
-36- Disassembl y of the par ts (Indoor unit) W arning : Disconnect the unit from pow er supply bef ore making any chec ks. Be sure the power s witch is set to “OFF”. T o remove the Grille fr om the Chassis. • Set the up-and-down air discharge louv er to open position (horizontally) by finger pressure .
-37- 2. T o remove the Contr ol Box. • Remov e secur ing screws . • Pull the control bo x out from the chassis careful- ly . 3. T o remove the Disc harge Grille. • Unhook the discharge grille and pull the dis- charge grille out from the chassis carefully .
-38- • Unhook the tab on the right inside of the chassis at the same time, slightly pull the e vaporator tow ard you until the tab is clear of the slot. 5. T o remove the Motor Co ver • Remov e 2 secur ing screw . • Pull the motor cov er out from the chassis carefully .
2-wa y , 3 -wa y V alve 2-way V alve (Liquid Side) 3-wa y V alve (Gas Side) Shaft position Shaft position Ser vice por t Closed Closed Closed (with v alve cap) (with valv e cap) (with cap) Open Closed.
1. Air purging Required tools : h e x a g o n a l wrench, adjustable wrench, torque wrenches, wrench to hold the joints, and gas leak detec- tor . The additional gas f or air purging has been charged in the outdoor unit.
2. Pumping down • Procedure (1) Confirm that both the 2-wa y and 3-way valves are set to the open position. – Remov e the valv e stem caps and confirm that the va lve stems are in the r aised position. – Be sure to use a he xagonal wrench to operate the va lve stems .
1) Re-air purging (Re-installation) • Procedure (1) Confirm that both the 2-way valve and the 3- way v alve are set to the closed position. (2) Connect the c harge set and a gas cylinder to the service por t of the 3-way v alve. – Leav e the valv e on the gas cylinder closed.
2) Balance refrigerant of the 2-way , 3-way v alves (Gas leakage) • Procedure (1) Confirm that both the 2-wa y and 3-way v alves are set to the back seat. (2) Connect the c harge set to the 3-wa y valve ’ s port. – Leav e the valv e on the charge set closed.
3. Ev acuation (All amount of refrigerant leaked) • Procedure (1) Connect the v acuum pump to the charge set ’ s center hose (2) Ev acuation for appro ximately one hour . – Confirm that the gauge needle has moved tow ard -76 cmHg (v acuum of 4 mmHg or less).
4. Gas Charging (After Evacuation) • Procedure ( 1 ) Connect the charge hose to the char ging cylinder . – Connect the charge hose which you dis-con- nected from the vacuum pump to the v alve at the bottom of the cylinder .
Cyc le T roub leshooting Guide T rouble anal ysis 1. Check temperature diff erence between intake and discharge air and operating current. T emp . Difference T emp . difference : approx. 0 ° C Current : less than 80% of rated current T emp . difference : approx.
-47- Electr onic P ar ts T r oubleshooting Guide 1. Pr oduct does not operate at all. (* Refer to Electr onic Contr ol Device dra wing and Schematic diagram.) T urn off Main P ower T urn on Main Po wer Does "beeping" sound is made from the Indoor Unit? Primar ily , the operating condition of Micom is OK.
-48- 2. The pr oduct is not operate with the remote contr ol. T urn on Main P ower While the compressor has been stopped, the compressor does not operate o wing to the dela ying function f or 3 minutes after stopped.
-49- 3. Compressor/Outdoor F an are unable to drive. T urn on Main P ower Operate "Cooling Mode( )" by setting the desired temper ature of the remote controller is less than one of the indoor temperature b y 1 ° C at least. When in Air Circulation Mode, Compressor/Outdoor F an is stopped.
-50- Check the TRIA C high speed operation by remote control. (The Indoor F an Motor is connected) T urn off Main power Check the connection of CN-MO TOR Check the F an Motor Check the Fuse(A C250V/T2A) T urn ON Main P ower Check the related circuit of indoor F an Motor .
-51- • Confirm that the V er tical Louver is normally geared with the shaft of Stepping Motor . • If the regular torque is detected when rotating the V er tical Louver with hands Nor mal • Check.
-52- 6. When Heating does not operate Operate “ Heating Mode( ) ” by setting the desired temper ature of the remote control is higher than one of the indoor temperature b y 2 ° Ca t least. In heating Mode, the indoor f an operates in case the pipe temperature is higher than 28 ° C.
-53- T urn off Main P ower • Check the electrical wiring diagram of outdoor side. • Check the abnormal condition for the component of Compressor/Out- door F an Motor , 4 way . • Check the "open" or "short" of connecting wires between indoor and outdoor .
-54- Electr onic Control De vice (1) MAIN P .W .B ASSEMBL Y (A C P AR T) • TO P V I E W • BO TT OM VIEW (1) MAIN P .W .B ASM (A C) • COOLING MODEL • HEA T PUMP MODEL.
-55- (2) MAIN P .W .B ASSEMBL Y (DC P AR T) • TO P V I E W • BO TT OM VIEW • TO P V I E W • BO TT OM VIEW.
-56- • TO P V I E W • BO TT OM VIEW 6871A20220 6871A20219 6871A20218 6871A20217 6871A20216 6871A20164.
-57- (3) DISPLA Y ASSEMBL Y – 6871A20194 TO P V I E W BO TT OM VIEW BO TT OM VIEW – 6871A30009 TO P V I E W BO TT OM VIEW – 6871A20227 TO P V I E W.
-58- BO TT OM VIEW K K – 6871A20390 TO P V I E W BO TT OM VIEW C01A C01A 88SEG – 6871A20391 TO P V I E W.
Schematic Dia gram TELEPHONE-CONTROL MODEL ONL Y -59-.
-60- Cooling Model • LED TYPE.
-61- Cooling Model • HVB TYPE(PLASMA).
-62- Heat Pump Model • LED TYPE VP 16 1 5V 5V R09H C104S Q03T A104S Q01T 5V 1K C104S Q02T CN-TELE C01D C01T 100uF/25V 0.001uF 1N4148 D01T A104S Q04T 50V TX 5V C06H 0.
-63- Heat Pump Model • HVB TYPE VN 2 10K - 6 0.001uF Q03T A104S C104S 50V 5V R09H BD A104S Q01T 5V 1K C104S Q02T 5V CN-TELE C01D 100uF/25V 1N4148 50V D01T Q04T 0.001uF C01T 8 4 LM358 OP-AMP + 5 TX 5V C06H 0.1uF/50V R01T 1K C02T RX CST-3.58M OSC02B 10uF 100 50V ZD02H~ZD03H 5.
-64- Exploded Vie w and Replacement P ar ts List 1. Indoor Unit 346810 146811-1 354212 263230 268714-1 264110 268714-2 131410 359011 342800 159901 268712 159830 135311 135312 267110 249951 733010 1523.
-65- P ar ts List(Indoor) 131410 CHASSIS ASSEMBL Y 3141A20006A 3141A20006B 3141A20006A R 135311 GRILLE ASSEMBL Y , DISCHARGE(INDOOR) 3531A10127A 3531A10127E 3531A10127E R 135312 GRILLE ASSEMBL Y , FRO.
-66- P ar ts List(Indoor) NO TE) * Please ensure GCSC since these par ts ma y be changed depending upon the buy er's request. (GCSC WEBSITE http://biz.
-67- P ar ts List(Indoor) 131410 CHASSIS ASSEMBL Y 3141A20006B 3141A20006B 3141A20006B 3141A20006B 3141A20006A R 135311 GRILLE ASSEMBL Y , DISCHARGE(INDOOR) 3531A10127H 3531A10127H 3531A10127H 3531A10.
-68- P ar ts List(Indoor) NO TE) * Please ensure GCSC since these par ts ma y be changed depending upon the buy er's request. (GCSC WEBSITE http://biz.
-69- P ar ts List(Indoor) 131410 CHASSIS ASSEMBL Y 3141A20006A 3141A20006B 3141A20006A 3141A20006B 3141A20006B R 135311 GRILLE ASSEMBL Y ,DISCHARGE(INDOOR) 3531A10127A 3531A10127A 3531A10127A 3531A101.
-70- P ar ts List(Indoor) 131410 CHASSIS ASSEMBL Y 3141A20006B 3141A20006B 3141A20006A 3141A20006A 3141A20006A R 135311 GRILLE ASSEMBL Y ,DISCHARGE(INDOOR) 3531A10127R 3531A10127A 3531A10127A 3531A101.
-71- P ar ts List(Indoor) 131410 CHASSIS ASSEMBL Y 3141A20006A 3141A20006A 3141A20006A R 135311 GRILLE ASSEMBL Y ,DISCHARGE(INDOOR) 3531A10232B 3531A10232B 3531A10232B R 135312 GRILLE ASSEMBL Y ,FR ON.
-72- P ar ts List(Indoor) 131410 CHASSIS ASSEMBL Y 3141A20006A 3141A20006C 3141A20006A R 135311 GRILLE ASSEMBL Y ,DISCHARGE(INDOOR) 3531A10127P 3531A10127X 3531A10127R R 135312 GRILLE ASSEMBL Y ,FR ON.
-73- 2. Outdoor unit 437210 559010 437212 552102 552111 435511 546810 430410 554031 567502 554160 550140 649950 552203-1 552203-2 W0CZZ 552202 552116 561410.
-74- P ar ts List(Outdoor) NO TE) * Please ensure GCSC since these par ts ma y be changed depending upon the buy er's request. (GCSC WEBSITE http://biz.
Outdoor unit -75- 554031 437212 435511 W0CZZ 552202 567502 552116 552102-1 552201 554160 561410 552111 550140 552203-1 552203-2 430410 447910 649950 552102-2 437210 435301 559010 546810.
-76- P ar ts List(Outdoor) NO TE) * Please ensure GCSC since these par ts ma y be changed depending upon the buy er's request. (GCSC WEBSITE http://biz.
-77- NO TE) * Please ensure GCSC since these par ts ma y be changed depending upon the buy er's request. (GCSC WEBSITE http://biz.LGser vice.com) P ar ts List(Outdoor) 430410 BASE ASSEMBL Y , OUT.
-78- P ar ts List(Outdoor) NO TE) * Please ensure GCSC since these par ts ma y be changed depending upon the buy er's request. (GCSC WEBSITE http://biz.
-79- P ar ts List(Outdoor) 430410 BASE ASSY ,WELD[OUTDOOR] 3041AR2415E 3041AR2415E 3041AR2415E 3041AR2415E 3041AR2415E R 435511 CO VER ASSEMBL Y ,CONTROL(OUTDOOR) 4994AR3492B 4994AR3492B 4994AR3492B 4.
-80- P ar ts List(Outdoor) 430410 BASE ASSY ,WELD[OUTDOOR] 3041AR2415E 3041AR2415E 3041AR2415K R 435301 GRILLE,DISCHARGE - - - R 435511 CO VER ASSEMBL Y ,CONTROL(OUTDOOR) 4994AR3492B 4994AR3492B 4994A.
-81- P ar ts List(Outdoor) 430410 BASE ASSY ,WELD[OUTDOOR] 3041AR2415K 3041AR2415K 3041A20016A R 435301 GRILLE,DISCHARGE - - 3530A10059G R 435511 CO VER ASSEMBL Y ,CONTROL(OUTDOOR) 4994AR3492B 4994AR3.
P/No.: 3828A20178A April, 2004 Printed in Korea.
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In una situazione in cui hai già il LG Electronics LS-Q076BBG, ma non hai ancora letto il manuale d’uso, dovresti farlo per le ragioni sopra descritte. Saprai quindi se hai correttamente usato le funzioni disponibili, e se hai commesso errori che possono ridurre la durata di vita del LG Electronics LS-Q076BBG.
Tuttavia, uno dei ruoli più importanti per l’utente svolti dal manuale d’uso è quello di aiutare a risolvere i problemi con il LG Electronics LS-Q076BBG. Quasi sempre, ci troverai Troubleshooting, cioè i guasti più frequenti e malfunzionamenti del dispositivo LG Electronics LS-Q076BBG insieme con le istruzioni su come risolverli. Anche se non si riesci a risolvere il problema, il manuale d’uso ti mostrerà il percorso di ulteriori procedimenti – il contatto con il centro servizio clienti o il servizio più vicino.
