LG LP-E5020CL Manuel utilisateur
Package
Air Conditioner
SERVICE MANUAL
MODEL: LP-E5020CL
LP-E5022CL/CA/HL/HA
LP-E5082CL/CA/HL/HA/ZL/ZA
LP-E5092CL/CA/HL/HA
LP-E50B0CL/CA/HL/HA
1. Preface ............................................................................................................................................ 3
2. Dimensions......................................................................................................................................8
3. Refrigerant Cycle Diagram .............................................................................................................9
4. Wiring Diagram..............................................................................................................................10
5. Operation Details...........................................................................................................................18
6. Installation .....................................................................................................................................24
7. Operating .......................................................................................................................................40
8. 3-Way Valve....................................................................................................................................43
9. Troubleshootig Guide ...................................................................................................................51
10. Electronic Control Device.............................................................................................................66
11. Schematic Diagram.......................................................................................................................68
12. Exploded View & Replacement Parts List...................................................................................70
– 2 –
CONTENTS
This service manual provides various service information, containing the mechanical and electrical parts and etc.
This package air conditioner was manufactured and assembled under the strict quality control system.
The refrigerant is charged at the factory. Be sure to read the safety precautions prior to servicing the unit.
1.1 Safety Precautions
¤When servicing the unit, set the main SWITCH to OFF and remove the POWER SUPPLY cables.
¤Ł Observe the original lead dress. If a short circuit is found, replace all parts which have been overheated or
damaged by the short circuit.
¤Ø After servicing the unit, make an insulation resistance test to protect the customer from being exposed to shock
hazards.
1.2 Features
¤Design for cooling and heating
¤ŁSuper energy efficiency
¤ØMicom Control
¤ŒWhisper quiet operation
¤ºWireless remote control
¤Removable air filter
¤3 minute delay circuit
¤7 hour timer
¤3 step speeds for cooling/heating
¤Plasma air purifying system
¤æAuto Restart
– 3 –
1. PREFACE
POWER SOURCE (ø, V, Hz)
COOLING CAPACITY Btu/h
W
INPUT W
CURRENT A
HEATING CAPACITY Btu/h
(W)
W
(W)
INPUT W
(W)
CURRENT A
(A)
MAKER
TYPE
COMPRESSOR MODEL
INPUT W
CURRENT A
CAPACITY Kcal/h
NOISE INDOOR dB(A)
LEVEL(1m) OUTDOOR
AIR INDOOR CMM
VOLUME OUTDOOR
REFRIGERANT R-22 Kg
HEAT INDOOR R/C/FPI
EXCHANGER OUTDOOR R/C/FPI
FAN INDOOR TYPE
OUTDOOR
ROOM TEMPERATURE CONTROL
NET INDOOR Kg
WEIGHT OUTDOOR
DIMENSIONS INDOOR mm
(W × H × D) OUTDOOR
SVC LIQUID Inch
VALVE GAS (mm)
3.380 - 415,50 3,380 - 415,50 1,200,60 1,220,60
44,000 44,000 44,000 44,000
12,896 12,896 12896 12,896
3,600 3,600 3,600 5500
6 6 19 25
–48,000 – 48,000
+(3,000)
–14069 – 14,069
+(3,000)
–3,500 – 4900
+(3,000)
–5.5 – 24
+(13.5)
Tecumseh Tecumseh Copeland Copeland
Recipro Recipro Recipro Recipro
AVB5558EXG AVB5558EXG CR42K6-PFV CRMQ-0400-PFV
4,340 4,340 3,860 5,370
6.9 6.9 17.8 25.2
11,620 11,620 10,559 12,928
53 53 53 53
58 58 58 58
35 35 35 35
104 104 104 104
2.8 3.2 3.5 3.9
3/28/17 3/28/17 3/28/17 3/28/17
2/44/16 2/44/18 2/44/16 2/44/17
SIROCO SIROCO SIROCO SIROCO
PROPELLER PROPELLER PROPELLER PROPELLER
MICOM CONTROL MICOM CONTROL MICOM COTROL MICOM CONTROL
62 62 62 62
90 90 90 90
590 ×1,810 ×440 590 ×1,810 ×440 590 ×1,810 ×440 590 ×1,800 ×440
1,000 ×965 ×370 1,000 ×965 ×370 900 ×1,225 ×370 900 ×1,225 ×370
3/8 3/8 3/8 3/8
3/4 3/4 3/4 3/4
1.3 Product Specifications
– 4 –
MODEL
LP-E5082CL/CA LP-E5082HL/HA
LP-E5082ZL/ZA LP-E5020CL
LP-E5022CA LP-E5022HL/HA
(Including Electiric
heater)
– 5 –
POWER SOURCE (ø, V, Hz)
COOLING CAPACITY Btu/h
W
INPUT W
CURRENT A
HEATING CAPACITY Btu/h
W
INPUT W
CURRENT A
MAKER
TYPE
COMPRESSOR MODEL
INPUT W
CURRENT A
CAPACITY Kcal/h
NOISE INDOOR dB(A)
LEVEL(1m) OUTDOOR
AIR INDOOR CMM
VOLUME OUTDOOR
REFRIGERANT R-22 Kg
HEAT INDOOR R/C/FPI
EXCHANGER OUTDOOR R/C/FPI
FAN INDOOR TYPE
OUTDOOR
ROOM TEMPERATURE CONTROL
NET INDOOR Kg
WEIGHT OUTDOOR
DIMENSIONS INDOOR mm
(W ¥ H ¥ D) OUTDOOR
SVC LIQUID Inch
VALVE GAS (mm)
3,220,60 3,220,60 3,380,60 3,380,60
44,000 44,000 44,000 44,000
12,896 12,896 12,896 12,896
6,000 6,000 4,600 4,600
10 10 8.2 8.2
– 48,000 – 48,000
– 14,069 – 14,069
– 5,000 – 4,500
– 9 – 8
Copeland Copeland Copeland Copeland
Recipro Recipro Recipro Recipro
CRNQ-0501-ES8 CRNQ-0501-ES8 CRNQ-0501-ES8 CRNQ-0501-ES8
6,210 6,210 6,210 6,210
19.0/11.0 19.0/11.0 19.0/11.0 19.0/11.0
61,500 61,500 61,500 61,500
53 53 53 53
58 58 58 58
35 35 35 35
104 104 104 104
3.5 3.9 4 4.2
3/28/17 3/28/17 3/28/17 3/28/17
2/44/16 2/44/18 2/44/16 2/44/18
SIROCO SIROCO SIROCO SIROCO
PROPELLER PROPELLER PROPELLER PROPELLER
MICOM CONTROL MICOM CONTROL MICOM CONTROL MICOM CONTROL
62 62 62 62
90 90 90 90
590 ×1,800 ×440 590 ×1,800 ×440 590 ×1,800 ×440 590 ×1,800 ×440
900 ×1225 ×370 900 ×1225 ×370 900 ×1225 ×370 900 ×1225 ×370
3/8 3/8 3/8 3/8
3/4 3/4 3/4 3/4
MODEL
LP-E50B2CL/CA LP-E50B2HL/HA
LP-E50B2ZL/ZA LP-E5090CL
LP-E5092CA LP-E5092HL/HA
– 6 –
1.4 Functions
Indoor Unit
Power Switch ON/OFF
Operation Mode Control
Sensing the room temperature
Controlling the room temperature
Starting Current Control
Sensing Heat Exchanger Temperature
Timer Delay Safety Control
Indoor Fan Speed Control
Operation Indication lamps
Temperature Setting
Airflow Direction Control
Room temperature Display
Timer Control
Sensing Discharge Air Temperature
• Cooling, Soft Dry, Auto, Fan ¢¡Cooling Model •
Cooling, Heating, Soft Dry, Fan ¢¡Heat Pump Model
• Room temperature sensor (Thermistor)
• Maintains the room temperature in accordance with the setting temperature.
• Indoor fan is delayed for 3 sec at the starting.
• Heat exchanger temperature sensor (Thermistor)
• Restarting is inhibited for approx. 3 minutes.
• High, Med, Low
• Up : up to 30°C
• Down : down to 16°C
• Airflow direction Automatic and Manual control
• Low, 10° ~ 35°C, Hi
• Off Timer (1, 2, 3....7 hour)
• Discharge temperature sensor <Thermistor>
• Apply Heat Pump Model Only.
– 7 –
Remote Control
Operation ON/OFF
Operation Mode Selection
• Cooling, Soft Dry, Auto, Fan ¤I Cooling Only Model
• Cooling, Heating, Soft Dry, Fan, ¤I E/heater Heat Pump Model
Fan Speed Selection
Setting the temperature
Timer Control
Airflow Direction Control
• High, Medium, Low
• Up or Down
• Off Timer(1, 2, 3...7 hour)
• Airflow direction Auto-Swing and Manual control
Outdoor Unit
Deice Control
Outdoor Fan Speed Control
Sensing Heat Exchanger Temperature
• De-ice PCB
• One speed
• Heat exchanger temperature sensor (Thermistor)
118
37.3
50
80
58.2
959
605.5
440
590
540
1513 243
548899
370
125
210
290 1220
460
460
505
90130 640
900
1) Indoor Unit
2) Outdoor Unit
– 8 –
2. DIMENSIONS
¤Air Outlet Vent
¤ŁAir Inlet Vent ¤ØWindow display
¤ŒEarth Screw
¤Air Outlet Vent
¤ŁLiquid Side SVC Valve
¤ØGas Side SVC Valve
¤ŒControl Box
¤ºEarth Screw
3.1
Cooling Cycle
– 9 –
3. REFRIGERANT CYCLE DIAGRAM
INDOOR UNIT
LIQUID SIDE
CAPILLARY
TUBE
HEAT
EXCHANGER
ACCUMULATOR MUFFLER
COMPRESSOR
HEAT
EXCHANGER
CAPILLARY
TUBE
HEAT
EXCHANGER
HEAT
EXCHANGER
3-WAY VALVE
GAS SIDE
3-WAY VALVE
LIQUID SIDE CHECK VALVE
CAPILLARY TUBE
4-WAY VALVE
MUFFLER
COMPRESSOR
COOLING
HEATLNG
DE-ICE
ACCUMULATOR
3-WAY VALVE
GAS SIDE
3-WAY VALVE
OUTDOOR UNIT
INDOOR UNIT OUTDOOR UNIT
3.2
Cooling and Heating Cycle
Indoor & Outdoor Unit Circuit Diagram
(1) LP-E5082CL/CA
– 10 –
4. WIRING DIAGRAM
INDOOR UNIT
POWER
RELAY
NOTE
BL
BK
BR
OR
RD
WH
YL
GN/YL
BLUE
BLACK
BROWN
ORANGE
RED
WHITE
YELLOW
GREEN/YELLOW
:
:
:
:
:
:
:
:
TERMINAL
BLCOCK BR
BK BK
BK
BK
RD
RD
BK
BK
BK
BK
OROR BK
OR BK
FAN
MOTOR FAN
MOTOR
COMP.
T1T2T3
OR BK
YLYL
WH
CAPACITOR CAPACITOR
TERMINAL
BLOCK
TO INDOOR UNIT
1
2
3
4
WH
WHRD
WH
FUSE
(250V 5A)
FUSE
(250V 5A)
1
2
3
4
5
6
31
32
B
A
POWER SUPPLY
R S T N
OUTDOOR ELECTRIC
CIRCUIT
Ce manuel convient aux modèles suivants
18
Table des matières
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