Manual de instrucciones de LG Electronics 230/208V

Manual de instrucciones del aparato LG Electronics 230/208V

Aparato: LG Electronics 230/208V
Tamaño: 5,42 MB
Fecha de añadido: 2013-11-09 12:28:12
Número de páginas: 35
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Manual de instrucciones de LG Electronics 230/208V
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Resumen del contenido incluido en la página 1

website http://www.lgservice.com
LG
LG Room
Air Conditioner
SERVICE MANUAL

CAUTION
• BEFORE SERVICING THE UNIT, READ THE SAFETY
PRECAUTIONS IN THIS MANUAL.
• ONLY FOR AUTHORIZED SERVICE PERSONNEL.

Resumen del contenido incluido en la página 2

CONTENTS 2.4.1 CONDENSER ......................................14 1. PREFACE 2.4.2 EVAPORATOR ....................................14 1.1 SPECIFICATIONS ..........................................3 2.4.3 CAPILLARY TUBE...............................14 1.2 FEATURES AND BENEFITS..........................4 1.3 CONTROL LOCATIONS.................................6 3. INSTALLATION 1.4 ADDITIONAL CONTROLS..............................7 3.1 HOW TO INSTALL THE UNIT ......................17 3.2 SUGGESTED TOO

Resumen del contenido incluido en la página 3

1.1 SPECIFICATIONS Cooling / Electric Heater Electric Heat Electric Heat Min Circuit Model Name Cooling(Btu/h) Cooling Watts(W) EER (Btu/h) Amps(A) Protection (Amps) LP120CEM 11800/11500 1055/1025 11.2/11.2 - - 20 Cooling / Heat Pump / Electric Cooling Electric Cycle Electric Heat Electric Heat Min Circuit Model Name Cooling(Btu/h) EER COP Watts(W) Heat (Btu/h) (Btu/h) Amps(A) Protection (Amps) LP090HEM 9300/9000 800/775 11.6/11.6 8200/8000 3.4/3.4 11900/9900 3.2/3.5 20 LP120HEM 12100/11800 1090

Resumen del contenido incluido en la página 4

1.2 features Unit Features The PTAC has many features, some of which are different than those found on conventional PTAC units. The servicer must be familiar with these features in order to properly service the unit. • Highly featured Micom controls using IIR (infinite impulse response) IIR function can make Micom controls maximize and keep the comfort conditions to sense the small changes in temperature per second. • Compressor Restart delay This feature extends the overall life of compressor

Resumen del contenido incluido en la página 5

• Outdoor Air Temperature Switchover The unit is designed to control the electric heater interfacing with the outdoor temperature. When the outdoor temperature falls to 20˚F below, it makes the compressor be off and the electric heater be turned on until the outdoor temperature is above 25˚F. This will effectively change the Unit from heat pump mode to total electric resistance heat. • Temperature limits The unit is programmed to provide both heating and cooling temperature limits by dip switch

Resumen del contenido incluido en la página 6

1.3 CONTROL LOCATIONS • OPERATION ELECTRIC HEATING MODEL COOLING ONLY MODEL TEMPERATURE CONTROL OPERATION MODE SELECTOR Set the Thermostat control to the desired temperature OFF: Turns air conditioner off. mark 5 (the mid-point is a good starting position). If the LOW FAN: Low speed fan operation without cooling. room temperature is not satisfactory after a reasonable HIGH FAN: High speed fan operation without cooling. time, adjust the control to a cooler or warmer setting, as appropriate. LOW C

Resumen del contenido incluido en la página 7

1.4 ADDITIONAL CONTROLS • REMOVING THE FRONT GRILLE Additional controls are available after removing the front grille and option cover of control box. To remove the front grille, pull out the bottom of front grille and then lift up. To replace the front grille, place the tabs over the top of the unit and push the bottom of front grille until the clips snap into place. • ADDITIONAL CONTROLS The additional controls are located behind the option cover of control box. The standard settings will be i

Resumen del contenido incluido en la página 8

• REMOTE/LOCAL CONTROL When remote/local switch #1 is on, it allow the unit to operate by the control of Remote Wall Thermostat. The unit control by knobs are not available. • ENERGY SAVER The energy saver switch #2 is on. This switch is set at continuous fan to provide continuous fan operation in cool or heat modes. When the switch is off the continuous fan allows continuous circulation of room air and make the more balanced temperature of the room. When the switch is on the fan is on or off wi

Resumen del contenido incluido en la página 9

2. DISASSEMBLY INSTRUCTIONS — Before the following disassembly, POWER SWITCH is set to OFF and disconnected the power cord. 2.1 MECHANICAL PARTS 2.1.1 FRONT GRILLE 1. Remove the front grille. (See Fig. 1) 2. To remove the front grille, pull out the bottom of the front grille and then lift up. Re-install the component by referring to the removal procedure. 3. To replace the front grille, place the tabs over the top of the unit and push the bottom of front grille until the clips snap into place. F

Resumen del contenido incluido en la página 10

2.1.2 CONTROL BOX (Half-Disassembly) 1. Remove the front grille. (Refer to section 2.1.1) 2. Remove the three screw which fasten the control box. (See Fig. 2) 3. Pull the control box from the barrier. (See Fig.2) 4. Discharge the capacitor by placing a 20,000 ohm resistor across the capacitor terminals. 5. Disconnect three wire housings in the control box. 6. Pull the control box forward completely. 7. Re-install the components by referring to the removal procedure. (See Fig. 2) (Refer to the ci

Resumen del contenido incluido en la página 11

2.2 AIR HANDLING PARTS 2.2.1 HEATER ASSEMBLY AND CROSS FLOW FAN 1. Remove the front grille. (Refer to section 2.1.1) 2. Remove the control box assembly. (Refer to section 2.1.3) 3. Remove the 3 screws which fasten the net steel. (See Fig. 4) 4. Remove the 3 screws which fasten the electric heater assembly. (Electric heater model only) (See Fig.4). Figure 4 5. Loosen the hexagon screw with the Hex-wrench (See Fig.5) Figure 5 6. Remove the 4 screws which fasten the indoor motor and the earth wi

Resumen del contenido incluido en la página 12

2.2.3 SHROUD 1. Remove the fan. (Refer to section 2.2.2) 2. Remove the screw which fastens the shroud. 3. Remove the shroud. (See Fig. 8) 4. Re-install the component by referring to the removal procedure, above. 2.3 ELECTRICAL PARTS 2.3.1 OUTDOOR MOTOR 1. Remove the clamp cord and disconnect a wire housing in control box. (Refer to section 2.1.2) 2. Remove the fan. (Refer to section 2.2.2) 3. Remove the 2 screws which fasten the motor. Figure 8 (See Fig. 9) 4. Remove the motor. 5. Re-install the

Resumen del contenido incluido en la página 13

2.3.5 POWER CORD 1. Remove the control box. (Refer to section 2.1.2) 2. Disconnect the grounding screw from the control box. 3. Disconnect 2 receptacles. 4. Remove a screw which fastens the clip cord. 5. Separate the power cord from the control box. (See Fig. 12) 6. Re-install the component by referring to the removal procedure, above. (Use only one ground-marked hole for ground connection.) 7. If the supply cord of this appliance is damaged, it must be replaced by the special cord. Figure

Resumen del contenido incluido en la página 14

2.4 REFRIGERATION CYCLE CAUTION TM Discharge the refrigerant system using Freon Recovery System. If there is no valve to attach the recovery system, install one (such as a WATCO A-1) before TM venting the Freon . Leave the valve in place after servicing the system. 2.4.1 CONDENSER 1. Remove the brace and the shroud. (Refer to section 2.2.2) 2. Remove the 4 screws which fasten the shroud. Figure 14 (Refer to section 2.2.2) 3. Push forward the shroud and remove the 2 screws which fasten the conden

Resumen del contenido incluido en la página 15

NOTES — Replacement of the refrigeration cycle. 1. When replacing the refrigeration cycle, be sure to 6. Recharge as follows : TM discharge the refrigerant system using a Freon 1) Refrigeration cycle systems are charged from the recovery System. High-side. If the total charge cannot be put If there is no valve to attach the recovery system, in the High-side, the balance will be put in the install one (such as a WATCO A-1) before venting suction line through the access valve which you TM the F

Resumen del contenido incluido en la página 16

Equipment needed: Vacuum pump, Charging cylinder, Manifold gauge, Brazing equipment. Pinch-off tool capable of making a vapor-proof seal, Leak detector, Tubing cutter, Hand Tools to remove components, Service valve. Figure 16A-Pulling Vacuum Figure 16B-Charging —16— COMPOUND GAUGE CONDENSER (HIGH PRESSURE SIDE) MANIFOLD GAUGE B A CAPILLARY TUBE SEE INSETS BELOW EVAPORATOR (LOW PRESSURE SIDE) COMPRESSOR LOW HI A B B A EXTERNAL VACUUM PUMP CHARGING CYLINDER C

Resumen del contenido incluido en la página 17

Dimension of air conditioner 3. INSTALLATION 3.1 HOW TO INSTALL THE UNIT 1,066mm(42") CAUTION • There are sharp edges that can cause serious cuts. • When lifting the air conditioner, it is HEAVY. Use 2 peoples to lift. 406mm For existing sleeve, you should measure the wall sleeve (16") dimensions. You can install the new air conditioner according to these installation instructions to achieve the best performence. All 318mm wall sleeves used to mount the new air conditioner must be in 1 (12 /2")

Resumen del contenido incluido en la página 18

INDOOR INDOOR 3.2 SUGGESTED TOOL REQUIREMENTS SCREWDRIVER(+, -), RULER, KNIFE, HAMMER, PENCIL, LEVEL 3.2.1 PREPARATION OF SLEEVE 1 2 4 1 SLEEVE HARDWARE NUMBER NAME OF PARTS Q’TY 1 1 SLEEVE LOWER 1 SLEEVE UPPER 1 SCREW 4 OUTDOOR GRILLE 1 DRAIN KIT 1 ASSEMBLE THE WALL SLEEVE • Raise the sleeve side panels to upright position as shown on the right. • Place sleeve upper on top of side panels. • Fasten the four screws as shown on the right. • Assemble drain kit. • Fasten this assembly to the each si

Resumen del contenido incluido en la página 19

3.2.3 UNIT INSTALLATION 1. Remove the shipping screw from the ventilation door. (See Fig. 17) Figure 17 2. Remove the front gille by pulling it out at the bottom to release it, then lift it up along the unit top front. (See Fig. 18) Figure 18 3. Slide the unit into the wall sleeve and secure with 6 screws through the unit flange holes. (See Fig. 19) Figure 19 4. Reinstall the front grille by hooking the top over the unit top, then pushing it in at the bottom. (See Fig. 20) Figure 20 —19—

Resumen del contenido incluido en la página 20

3.3 ELECTRICAL REQUIREMENTS 3.3.1 ELECTRICAL DATA (FOR 230/208V MODEL) CAUTION 1. Do not use an extension cord with this unit. Tandem 2. When the unit is in the OFF position, the power supply to the 15 A electrical controls. 3. Disconnect the power to the unit before servicing the unit. 4. Remove the power cord from the wall receptacle. Perpendicular 5. Remove or turn off the protective device (fuses or circuit breaker). 20 A Wirings including installation of the receptacle must comply with th


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