LG A2UN186FA0 Manuale utente
Multi Type Room
Air Conditioner
SERVICE MANUAL
INDOOR UNIT: AMNN076L/M/NQA0
AMNN096L/M/NQA0
AMNN126L/M/NRA0
AMNN186L/M/NTA0
AMNN246L/M/NTA0
AMNN096APA0
AMNN126APA0
AMNN126TEA0
AMNN186TEA0
AMNN186VBA0
OUTDOOR UNIT: A2UN186FA0
A3UN216FA0
A4UN306FA0
Functions...................................................................................................................................... 3
Product Specifications.................................................................................................................6
Dimensions..................................................................................................................................10
Wiring Diagram ...........................................................................................................................15
Refrigeration Cycle Diagram......................................................................................................17
Operation Details ........................................................................................................................18
Display Function.........................................................................................................................34
Self-diagnosis Function .............................................................................................................34
Installation...................................................................................................................................35
Operation.....................................................................................................................................73
Disassembly of the parts (Indoor Unit).....................................................................................77
Valve service(3-way)...................................................................................................................86
Cycle Troubleshooting Guide ....................................................................................................90
Electronic Parts Troubleshooting Guide...................................................................................91
Electronic Control Device ........................................................................................................104
Schematic Diagram...................................................................................................................111
Exploded View and Replacement Parts List...........................................................................116
- 2 -
Contents
- 3 -
Functions
• Room temperature sensor. (THERMISTOR)
• Maintains the room temperature in accordance with the Setting Temp.
• Indoor fan is delayed for 5 seconds at the starting.
• Restarting is inhibited for approx. 3 minutes.
• Room/Art Cool/Convertible Type Indoor Unit: High, Med, Low, Chaos
• Cassette Type Indoor Unit: High, Mde, Low, Auto
Indoor Unit
Operation ON/OFF by Remote controller
Sensing the Room Temperature
Room temperature control
Starting Current Control
Time Delay Safety Control
Indoor Fan Speed Control
Operation indication Lamps (LED)
Soft Dry Operation Mode • Both the indoor and outdoor fan
stops during deicing.
• Hot start after deice ends.
• The indoor fan stops until the
evaporator piping temperature will be
reached at 28°C.
Sleep Mode Auto Control
Natural Air Control by CHAOS Logic
Airflow Direction Control
Deice (defrost) control (Heating)
• The fan is switched to intermittent or irreg-
ular operation
• The fan speed is automatically switched
from high to low speed.
• Room/Art Cool/Convertible type Indoor Unit
-- Lights up in operation
-- Lights up in Sleep Mode
-- Lights up in Timer Mode
-- Lights up in Deice Mode
• Cassette type Indoor Unit
-- Lights up in Operation
-- Lights up in Filter replacement
-- Lights up in Timer Mode
-- Lights up in Defrost Mode or Hot Start Operation.
-- Operation procedures when the remote control
can't be used.
• Intermittent operation of fan at low speed.
•
The fan is switched to low(Cooling), med(Heating) speed.
• The unit will be stopped after 1, 2, 3, 4, 5, 6, 7 hours.
• The louver can be set at the desired posi-
tion or swing up and down automatically.
•
The function will be operated while in any
operation mode with selecting the function.
• The function is to be stopped while it is
operating with selecting the function.
PLASMA
Hot-start Control (Heating)
- 4 -
• If power is on, it will operate to chage capacitor on controller and power relay will operate after about
10sec.
• The final operating freq. of comp. is set the lowest freq. that limited outdoor temp., discharge pipe temp.,
target freq., owing to CT.
• It will be changed the drive voltage of comp. according to operating frequency.
• It is only operated in the heating operation mode except defrosting operation.
• High speed/Low speed
Outdoor Unit
Power relay control
Comp. Freq. control
Overheatng. Protection(Power module)
Freq. speed control(up/down speed)
V/F control
Total current control (over current protection)
DC peak current control
4 way valve control
Outdoor fan motor control
Discharge pipe temp. control
Overpressure protection
- 5 -
Remote Controller
JET COOL
Healthy Dehumidification Operation Mode.
( )
Operation Mode Selection
(Cooling
model only) (Heating
model only)
Cooling Operation Mode.( ) Heating Operation Mode.( )
Auto Operation Mode.( )
Sleep Operation
Fan Operation Mode
Room, Temperature Display
Setting the Time or Timer
Airflow Direction Control
Operation ON/OFF
Temperature Setting
TEMPERATURE LOWHIGH
Timer Selection
ON OFF
Timer Setting
SET
Timer Cancel
CANCEL
Reset
Fan Speed Selection
(Low) (Med) (High) (CHAOS)
: (High: 39°C LOW : 11°C)
Down to 18°C
Up to 30°C
Cooling
: OFF, ON, OFF ON
: Cancel Sleep Mode, Timer ON or Timer OFF
: 1, 2, 3, 4, 5, 6, 7, Off Timer
: Fan Operates without cooling or heating.
Down to 16°C
Up to 30°C
Heating
- 6 -
Product Specifications
AMNN076L/M/NQA0 AMNN096L/M/NQA0 AMNN126L/M/NRA0 AMNN186L/M/NTA0
A3-N216FA0/A2-N186FA0
Model
Item
Cooling Capacitor (Indoor) Btu/h
W
Max. Cooling Capacitor (Outdoor)
Btu/h
W
Heating Capacitor (Indoor) Btu/h
W
Max.
Heating Capacitor (Outdoor) Btu/h
W
Moisture Removal l/h
Power Supply Ø, V, Hz
Air Circulation Indoor, Max CMM
Outdoor, Max
Indoor, High
Noise Level (1m) Indoor, Med dB(A)±1
Indoor, Low
Outdoor, Max
Input Cooling W
Heating
Running Current Cooling A
Heating
Motor Output Indoor W
Outdoor
Dimensions Indoor mm
Outdoor (W*D*H)
Net Weight Indoor Kg
Outdoor
Refrigerant R-410A g
Airflow Direction Control(Up & Down)
Remocon Type
Service Valve Luquid inch(mm)
Gas
Sleeping Operation
Connection Cable
7,000 9,000 12,000 18,000
2,051 2,637 3,517 5,274
23,400
6,856
8,000 10,000 13,000 19,000
2,344 2,930 3,809 5,567
25,200
7,384
1.0 1.2 1.7 2.0
1, 220-240, 50
6.5 7.0 9.5 13
56
35 37 40 43
33 34 36 40
30 31 32 37
54
880~2,660
1,210~2,360
4.6~12.1
6.1~11.1
5.3 8.4 14.4 22
68
824 x155 x 260 824 x155 x 260 900 x 156 x 285 1090 x 172 x 314
870 x 320 x 655
77 812
64
1600(at 7.5m)
OO OO
L.C.D Wireless
1/4"(6.35)
3/8"(9.52) 3/8"(9.52) 1/2"(12.7) 1/2"(12.7)
O
O
Indoor
Outdoor
- 7 -
AMNN076L/M/NQA0 AMNN096L/M/NQA0 AMNN126L/M/NRA0 AMNN186L/M/NTA0 AMNN246L/M/NTA0
A4-N306FA0
Model
Item
Cooling Capacitor (Indoor) Btu/h
W
Max. Cooling Capacitor (Outdoor) Btu/h
W
Heating Capacitor (Indoor) Btu/h
W
Max. Heating Capacitor (Outdoor) Btu/h
W
Moisture Removal l/h
Power Supply Ø, V, Hz
Air Circulation Indoor, Max CMM
Outdoor, Max
Indoor, High
Noise Level (1m) Indoor, Med dB(A)±1
Indoor, Low
Outdoor, Max
Input Cooling W
Heating
Running Current Cooling A
Heating
Motor Output Indoor W
Outdoor
Dimensions Indoor mm
Outdoor (W*D*H)
Net Weight Indoor Kg
Outdoor
Refrigerant R-410A g
Airflow Direction Control(Up & Down)
Remocon Type
Service Valve Luquid inch(mm)
Gas
Sleeping Operation
Connection Cable
7,000 9,000 12,000 18,000 23,000
2,051 2,637 3,517 5,274 6,739
31,000
9,083
8,000 10,000 13,800 19,000 26,000
2,344 2,930 4,044 5,567 7,618
34,000
9,962
1.0 1.2 1.7 2.0 2.5
1, 220-240, 50
6.5 7.0 9.5 13 14
60
35 37 40 43 47
33 34 36 40 44
30 31 32 37 40
58
1,430~3,800
1,950~3,910
7.0~19.5
9.3~20.0
5.3 8.4 14.4 22 29
68
824 x 155 x 260 824 x 155 x 260 900 x 156 x 285 1090 x 172 x 314 1090 x 172 x 314
870 x 320 x 800
7781212
75
2,000(at 7.5m)
OOOOO
L.C.D Wireless
1/4"(6.35)
3/8"(9.52) 3/8"(9.52) 1/2"(12.7) 1/2"(12.7) 1/2"(12.7)
O
O
Indoor
Outdoor
- 8 -
AMNN096APA0 AMNN126APA0 AMNN126TEA0 AMNN186TEA0 AMNN186VBA0
A3-N216FA0/A2-N186FA0
Model
Item
Cooling Capacitor (Indoor) Btu/h
W
Max. Cooling Capacitor (Outdoor) Btu/h
W
Heating Capacitor (Indoor) Btu/h
W
Max. Heating Capacitor (Outdoor) Btu/h
W
Moisture Removal l/h
Power Supply Ø, V, Hz
Air Circulation Indoor, Max CMM
Outdoor, Max
Indoor, High
Noise Level (1m) Indoor, Med dB(A)±1
Indoor, Low
Outdoor, Max
Input Cooling W
Heating
Running Current Cooling A
Heating
Motor Output Indoor W
Outdoor
Dimensions Indoor mm
Outdoor (W*D*H)
Net Weight Indoor Kg
Outdoor
Refrigerant R-410A g
Airflow Direction Control(Up & Down)
Remocon Type
Service Valve Luquid inch(mm)
Gas
Sleeping Operation
Connection Cable
9,000 12,000 12,000 18,000 18,000
2,638 3,517 3,517 5,275 5,275
23,400
6,856
10,000 13,800 13,800 19,000 19,000
2,931 4,044 4,044 5,567 5,567
25,200
7,384
1.0 1.2 1.5 3.3 2.5
1, 220-240, 50
7.0 8.3 9.25 13.5 14
56
39 41 41 47 49
35 38 39 45 47
33 36 37 43 45
54
880~2,660
1,210~2,360
4.6~12.1
6.1~11.1
24 24 18.3 25 -
64
570 x 137 x 568 570 x 137 x 568 570 x 570 x 269 570 x 570 x 269 1,200 x 205 x 615
870 x 320 x 655
9 9 19 19 30
64
1,600
OOOOO
L.C.D Wireless
1/4"(6.35)
3/8"(9.52) 1/2"(12.7) 1/2"(12.7) 1/2"(12.7) 1/2"(12.7)
O
O
Indoor
Outdoor
- 9 -
AMNN096APA0 AMNN126APA0 AMNN126TEA0 AMNN186TEA0 AMNN186VBA0
A4-N306FA0
Model
Item
Cooling Capacitor (Indoor) Btu/h
W
Max. Cooling Capacitor (Outdoor) Btu/h
W
Heating Capacitor (Indoor) Btu/h
W
Max. Heating Capacitor (Outdoor) Btu/h
W
Moisture Removal l/h
Power Supply Ø, V, Hz
Air Circulation Indoor, Max CMM
Outdoor, Max
Indoor, High
Noise Level (1m) Indoor, Med dB(A)±1
Indoor, Low
Outdoor, Max
Input Cooling W
Heating
Running Current Cooling A
Heating
Motor Output Indoor W
Outdoor
Dimensions Indoor mm
Outdoor (W*D*H)
Net Weight Indoor Kg
Outdoor
Refrigerant R-410A g
Airflow Direction Control(Up & Down)
Remocon Type
Service Valve Luquid inch(mm)
Gas
Sleeping Operation
Connection Cable
9,000 12,000 12,000 18,000 18,000
2,638 3,517 3,517 5,275 5,275
23,400
6,856
10,000 13,800 13,800 19,000 19,000
2,931 4,044 4,044 5,567 5,567
25,200
7,384
1.0 1.2 1.5 3.3 2.5
1, 220-240, 50
7.0 8.3 9.25 13.5 14
60
39 41 41 47 49
35 38 39 45 47
33 36 37 43 45
58
1,430~3,800
1,950~3,910
7.0~19.5
9.3~20.0
24 24 18.3 25 -
64
570 x 137 x 568 570 x 137 x 568 570 x 570 x 269 570 x 570 x 269 1,200 x 205 x 615
870 x 320 x 655
9 9 19 19 30
64
2,000(at 7.5m)
OOOOO
L.C.D Wireless
1/4"(6.35)
3/8"(9.52) 1/2"(12.7) 1/2"(12.7) 1/2"(12.7) 1/2"(12.7)
O
O
Indoor
Outdoor
1. Indoor Unit
•Room Type Indoor Unit
- 10 -
Dimensions
Installation plate
D
H
W
W mm 824 900 1,090
H mm 260 285 314
D mm 155 156 172
7K, 9K Btu Series 12K Btu Series 18K, 24K Btu Series
MODEL
DIM
Questo manuale è adatto per i seguenti modelli
32
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