LG LV-C362FLA0 User manual

Ceiling & Floor Type Air Conditioner
SVC MANUAL(Exploded View)
MODEL : LV-C362FLA0
LV-C422FLA0
LV-C482GLA0
LV-C602HLA0
LV-C48BGLA0
LV-C60BHLA0
CAUTION
Before Servicing the unit, read the safety precautions in General SVC manual.
Only for authorized service personnel.
Internal Use Only
http://biz.lgservice.com

Contents
Functions .................................................................................................................................3
Product Specifications (Cooling only) ...................................................................................5
Dimensions ..............................................................................................................................7
Refrigeration Cycle Diagram ..................................................................................................9
Wiring Diagram ......................................................................................................................10
Operation Details ...................................................................................................................13
Installation of Indoor, Outdoor Unit .....................................................................................18
Connecting Pipes to the Indoor Unit....................................................................................25
Connecting Pipes to the Outdoor Unit.................................................................................27
Checking the Drainage...........................................................................................................27
Connecting Cables between Indoor Unit and Outdoor Unit...............................................28
Air Purging of the Connecting Pipes and the Indoor Unit..................................................31
Operation ...............................................................................................................................32
3-way Valve ............................................................................................................................33
Cycle........................................................................................................................................38
Troubleshooting .....................................................................................................................41
Exploded View........................................................................................................................43
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Copyright ©2008 LG Electronics. Inc. All right reserved.
Only for training and service purposes LGE Internal Use Only

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Copyright ©2008 LG Electronics. Inc. All right reserved.
Only for training and service purposes LGE Internal Use Only
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.
• High, Med, Low, Chaos
• Intermittent operation of fan at low speed.
• The fan is switched to low(Cooling) speed.
• The unit will be stopped after 1, 2, 3, 4, 5, 6, 7 hours.
• The fan is switched to intermittent or irregular operation
• The fan speed is automatically switched from high to low speed.
• The louver can be set at the desired position or swing
up and down automatically.
• The setting temperature, indoor fan speed and desired
operation made are automatically set by fuzzy rule.
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
Soft Dry Operation Mode
Sleep Mode Auto Control
Natural Air Control by CHAOS Logic
Airflow Direction Control
Auto Operation

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Copyright ©2008 LG Electronics. Inc. All right reserved.
Only for training and service purposes LGE Internal Use Only
Soft Dry Operation Mode.( )
Remote Controller
Operation ON/OFF
Reset
Operation Mode Selection
Fan Speed Selection
Room Temperature Display
Temperature Setting
Setting the Time or Timer
Timer Selection
Timer Setting
Timer Cancel
Sleep Operation
Airflow Direction Control
(Cooling
model only)
TEMPERATURE LOW HIGH
(Low) (Med) (High) (CHAOS)
Cooling Operation Mode.( ) Auto Operation Mode.( )
Fan Operation Mode
ON OFF
SET
CANCEL
: High:39°C↔LOW:11°C
: OFF, ON, OFF ↔ON
: Cancel Sleep Mode, Timer ON or Timer OFF.
: 1, 2, 3, 4, 5, 6, 7hr, Off Timer
: Fan Operates without cooling. (Cooling model only)
Cooling Down to 18°C
Up to 30°C,

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Copyright ©2008 LG Electronics. Inc. All right reserved.
Only for training and service purposes LGE Internal Use Only
Product Specifications (Cooling & Heating)
Items Unit
Cooling Capacity kcal/hr(W)
Btu/hr
Heating Capacity kcal/hr(W)
Btu/hr
Input Cooling/Heating W
Running Current Cooling/Heating A
Starting Current Cooling/Heating A
Power Supply Ø,V,Hz
Power Factor %
E.E.R Cooling kcal/hr W(W/W)
Btu/hr W
C.O.P Heating W/W(kcal/hr W)
Btu/hr W
Setting temperature range(cool/heat)
Dehumidification Rate l/h
Refrigerant Control
Refrigerant charge g(oz), type
Indoor fan motor Output w
Model
No. of Poles
Input W
Running Current A
Capacitor µF/Vac
Indoor Fan Type
No. Used / Diameter EA/inch(mm)
Motor Step
Indoor Fan RPM Cooling(H/M/L) rpm
Heating(H/M/L) rpm
Air Circulation Indoor (H/M/L) CMM(CFM)
Noise Level(Sound Press,1m) Indoor(H/M/L) dB(A)±3
Temperature Controller
Indoor Coil Tube Size (OD) inch(mm)
Fins per inch
No. of Rows & Column
Dimensions (W*H*D) Indoor inch(mm)
Net Weight indoor kg(lbs)
Compressor Locked Rotor Amp. A
Type
Quantity No
Model
Maker
Capacity Btu/hr
Motor Type
Motor Input W
Oil Type
Oil Charge cc
O.L.P Type(model name)
Outdoor Coil Tube Size (OD) inch(mm)
Fins per inch
No. of Rows & Column
Outdoor fan motor Output W
Model
No. of Poles
Input W
Running Current A
Capacitor µF/Vac
Outdoor Fan Type
No. Used / Diameter EA/mm
Discharge Side/Top
Speed rpm
Air Circulation Outdoor CMM(CFM)
Noise Level(Sound Press,1m)
Outdoor dB(A)±3
SVC Valve Liquid inch(mm)
Gas inch(mm)
Dimensions (W*H*D) Outdoor inch(mm)
Net Weight Outdoor kg(lbs)
Power Supply Cable No.* mm2
Connecting Cable No.* mm2
Connecting Tube Liquid Side inch(mm)
(Ø. Socket Flare) Gas Side inch(mm)
Length, std m
Max length/elevation m
Drain hose(Inner Ø) Indoor Unit/Outdoor Unit mm
Packing Dimension Indoor(W*H*D) inch(mm)
Outdoor(W*H*D) inch(mm)
Stuffing Quantity With(Without) S/Parts 20/40ft
LV-C362FLA0 LV-C422FLA0 LV-C482GLA0
9,072(10,551) 10,584(12,309) 12,096(1,4067)
36,000 42,000 48,000
---
---
3,950 4,400 5,100
18.5 19.5 20
90 90 90
1, 220, 60 1, 220, 60 1, 220, 60
96.5 97 97
2.29(2.66) 2.18(2.55) 2.27(2.64)
9.1 8.5 9
---
---
18~30/- 18~30/- 18~30/-
4.26 4.91 4.96
Capillary Tube Capillary Tube Capillary Tube
1,830(64.55),R22 2,650(93.4),R22 3,000(107.7),R22
KDE2FS0654 KDE2FS0654 KHF2G4001
444
250 260 380
1.17 1.17 1.73
5.0/370 7.5/370 7.5/370
Centrifugal Centrifugal centrifugal
4/144 4/144 3/164
333
1400/1200/1000 1450/1250/1050 1470/1240/1040
---
31/27/22 33/29/24 36/32/27
56/54/52 57/55/53 59/57/55
Thermistor Thermistor Thermistor
9.7 9.7 9.7
13 13 13
3R 10C 3R 10C 4R 10C
1550/650/208 1550/650/208 1550/650/272
52(115) 52(115) 61(134)
102 92 92 120
Reciprocating Rotary Rotary Rotary
122
CR42K6-PFV-502 QP-306KC QJ-278KC QP-348KC
Copeland LG LG LG
10,559(41,900) 22,600 19,200 25,700
PCS PSC PSC PSC
3,850 2,152 1,980 2,424
SUNISO 3GS SUNISO 4GSI SUNISO 4GSI SUNISO 4GSI
1,331 700 500 700
Internal Internal Internal Internal
0.275(7.0) 0.375(9.52) 0.375(9.52)
18 17 17
2R36C 1R 44C 1R 44C
125 90*2 90*2
ARE306B01 AMR071B9 AMR071B9
666
190 168*2 168*2
0.81*2 0.81*2
6/370 6.0/370 6.0/370
Propeller Propeller Propeller
1/460 2/460 2/460
Side Discharge Side Discharge Side Discharge
1040 900 900
58(2,048) 49(1,730)*2 49(1,730)*2
58 58 58
3/8(9.52) 3/8(9.52) 1/2(12.7)
5/8(15.88) 3/4(19.05) 3/4(19.05)
34.3*31.5*12.6(870*800*320) 35.43*48.23*14.57(900*1225*370) 35.43*48.23*14.57(900*1225*370)
72(158.7) 90(198.3) 90(198.3)
3*8.5 3*8.5 3*8.5
4*0.75 4*0.75 4*0.75
3/8(9.52) 3/8(9.52) 1/2(12.7)
5/8(15.88) 3/4(19.05) 3/4(19.05)
7.5 7.5 7.5
15/12.5 15/12.5 15/12.5
22.22 22.22 22.22/
1635/751/293 1635/751/293 1635/751/358
40.2*34.2*17.3(1020*870*440) 42.1*52.1*19.5(1070*1300*495) 42.1*52.1*19.5(1070*1300*495)
34/76 22/48 21/45
General
Indoor
Outdoor
Outdoor

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Copyright ©2008 LG Electronics. Inc. All right reserved.
Only for training and service purposes LGE Internal Use Only
Items Unit
Cooling Capacity kcal/hr(W)
Btu/hr
Heating Capacity kcal/hr(W)
Btu/hr
Input Cooling/Heating W
Running Current Cooling/Heating A
Starting Current Cooling/Heating A
Power Supply Ø,V,Hz
Power Factor %
E.E.R Cooling kcal/hr W(W/W)
Btu/hr W
C.O.P Heating W/W(kcal/hr W)
Btu/hr W
Setting temperature range(cool/heat)
Dehumidification Rate l/h
Refrigerant Control
Refrigerant charge g(oz), type
Indoor fan motor Output w
Model
No. of Poles
Input W
Running Current A
Capacitor µF/Vac
Indoor Fan Type
No. Used / Diameter EA/inch(mm)
Motor Step
Indoor Fan RPM Cooling(H/M/L) rpm
Heating(H/M/L) rpm
Air Circulation Indoor (H/M/L) CMM(CFM)
Noise Level(Sound Press,1m)
Indoor(H/M/L) dB(A)±3
Temperature Controller
Indoor Coil Tube Size (OD) inch(mm)
Fins per inch
No. of Rows & Column
Dimensions (W*H*D) Indoor inch(mm)
Net Weight indoor kg(lbs)
Compressor Locked Rotor Amp. A
Type
Quantity No
Model
Maker
Capacity Btu/hr
Motor Type
Motor Input W
Oil Type
Oil Charge cc
O.L.P Type(model name)
Outdoor Coil Tube Size (OD) inch(mm)
Fins per inch
No. of Rows & Column
Outdoor fan motor Output W
Model
No. of Poles
Input W
Running Current A
Capacitor µF/Vac
Outdoor Fan Type
No. Used / Diameter EA/mm
Discharge Side/Top
Speed rpm
Air Circulation Outdoor CMM(CFM)
Noise Level(Sound Press,1m) Outdoor dB(A)±3
SVC Valve Liquid inch(mm)
Gas inch(mm)
Dimensions (W*H*D) Outdoor inch(mm)
Net Weight Outdoor kg(lbs)
Power Supply Cable No.* mm2
Connecting Cable No.* mm2
Connecting Tube Liquid Side inch(mm)
(Ø. Socket Flare) Gas Side inch(mm)
Length, std m
Max length/elevation m
Drain hose(Inner Ø) Indoor Unit/Outdoor Unit mm
Packing Dimension Indoor(W*H*D) inch(mm)
Outdoor(W*H*D) inch(mm)
Stuffing Quantity With(Without) S/Parts 20/40ft
LV-C602HLA0 LV-C48BGLA0 LV-C60BHLA0
15,120/(17,584) 12,096(14,067) 15,120(17,584)
60,000 48,000 60,000
---
---
6,300 5,200 6,300
29 14.5 18.2
101 90 124
1, 220, 60 3, 220, 60 3, 220, 60
98.8 92.6 89.3
2.33(2.72) 2.22(2.57) 2.14(2.48)
9.25 8.8 8.5
---
---
18~30/- 18~30/- 18~30/-
7.67 5.2 7.1
Capillary Tube Capillary Tube Capillary Tube
4,050(145.4),R22 3,800(134),R22 4,680(165),R22
KHF2G4002 KHF2G4001 KHF2G4002
444
450 380 450
2.1 1.73 2.1
10.0/370 7.5/370 10.0/370
Centrifugal Centrifugal Centrifugal
4/164 3/164 4/164
333
1,450/1,150/1,000 1,470/1,240/1,040 1,450/1,150/1,000
---
37/31/27 36/32/27 37/31/27
61/59/57 59/57/55 61/59/57
Thermistor Thermistor Thermistor
9.7 9.7 9.7
13 13 13
4R 12C 4R 10C 4R 12C
1,550/650/292 1,550/650/272 1,550/650/292
63(137) 61(134) 63(137)
142 92 124
Reciprocating Reciprocating Scroll
111
CRN5-0500-PFV AVB5549EXT SR061RAA
Copeland TECUMSEH LG
62,700 48,096 62,000
Condenser Inducted PSC Three Phase Induction Motor
6,270 4,610 5,535
SUNISO 4GDID WITCO LP200T SUNISO 4GSI
1,774 2,000 1,800
Internal Internal Internal
0.375(9.52) 0.375(9.52) 0.375(9.52)
16 17 16
2R22C 2R 44C 2R 44C
90*2 90*2 90*2
AMR071B9 AMR071B9 AMR071B9
666
168*2 168*2 168*2
0.81*2 0.81*2 0.81*2
6.0/370 6.0/370 6.0/370
Propeller Propeller Propeller
2/382 2/382 2/382
Side Discharge Side Discharge Side Discharge
900 900 900
49(1,730)*2 49(1,730)*2 49(1,730)*2
62 62 62
1/2(12.7) 1 / 2 (12.7) 1 / 2 (12.7)
3/4(19.05) 3 / 4 (19.05) 3 / 4 (19.05)
35.43*48.23*14.57(900*1225*370) 35.43*48.23*14.57(900*1225*370) 35.43*48.23*14.57(900*1225*370)
95(209) 95(209) 95(209)
3*8.5 3*8.5 3*8.5
4*0.75 4*0.75 4*0.75
1/2(12.7) 1/2(12.7) 1/2(12.7)
3/4(19.05) 3/4(19.05) 3/4(19.05)
7.5 7.5 7.5
15/12.5 15/12.5 15/12.5
22.22/ 22.22 22.22/
1635/751/378 1635/751/358 1635/751/378
42.1*52.1*19.5(1070*1300*495) 42.1*52.1*19.5(1070*1300*495) 42.1*52.1*19.5(1070*1300*495)
21/44 21/45 21/44
General
Indoor
Outdoor
Outdoor

- 7 -
Copyright ©2008 LG Electronics. Inc. All right reserved.
Only for training and service purposes LGE Internal Use Only
Dimensions
90
400
94 23
94
A
B
C
650
400 90
11
(1) Indoor Unit
Dimension
Capacity
36K BTU/h 1550 1362 236
42K BTU/h 1550 1362 236
48K BTU/h 1550 1362 272
60K BTU/h 1550 1362 292
ABC

- 8 -
Copyright ©2008 LG Electronics. Inc. All right reserved.
Only for training and service purposes LGE Internal Use Only
(2) Outdoor Unit
H
W
D
H
W
D
(36K) (42K/48K/60K)
MODEL
DIM
W(mm) 870 900 900 900
H(mm) 800 1,220 1,220 1,220
D(mm) 320 370 370 370
36K 42K 48K 60K

- 9 -
Copyright ©2008 LG Electronics. Inc. All right reserved.
Only for training and service purposes LGE Internal Use Only
Refrigeration Cycle Diagram
• COOLING ONLY (LV-C362FLA0, LV-C422FLA0, LV-C482GLA0, LV-C602HLA0,
LV-C48BGLA0, LV-C60BHLA0)
•Rated performance for refrigerant line length of: .7.5m
•If 36K Model is installed at a distance of 15m, 225g of refrigerant should be added (15-7.5)x30g=225g
INDOOR UNIT OUTDOOR UNIT
HEAT
EXCHANGER
(CONDENSER)
HEAT
EXCHANGER
(CONDENSER)
COMPRESSOR
GAS SIDE
LIQUID SIDE
CAPILLARY TUBE
36K 5/8" 3/8" 7.5 15 5 10 30
42K 3/4" 3/8" 7.5 15 5 10 35
48K 3/4" 1/2" 7.5 15 5 10 40
60K 3/4" 1/2" 7.5 15 5 10 45
*Additional
refrigerant
(g/m)
Pipe size(Diameter: ø) Piping length(m) Elevation(m)
MODEL Gas Liquid Rated Max. Rated Max.

- 10 -
Copyright ©2008 LG Electronics. Inc. All right reserved.
Only for training and service purposes LGE Internal Use Only
Wiring Diagram
COOLING ONLY
Model : LV-C362FLA0
Model : LV-C422FLA0 / LV-C482GLA0
OUTDOOR WIRING DIAGRAM INDOOR WIRING DIAGRAM
3854A20203Q
TERMINAL BLOCK 30A White Wire NEUTRAL
SOCKET
SOCKET
Ground
BLOWER
MOTOR
White Wire Run Cap.
Brown Wire
STEP
MOTOR
(1)
STEP
MOTOR
(2)
DISPLAY ROOM SENSOR FREEZE SENSOR
LINE Fuse
CL
SWITCH BOX
Red Wire
Red Wire
Red Wire
Black Wire
Blue Wire
Blue Wire
COMM.
HIGH.
MED.
LOW.
Red Wire
1(N)
2(L)
3
TO OUTDOOR UNIT
1TM
1Ø, 220V, 60Hz
POWER SUPPLY
BK
52C L1 L2
T1 T2
A2
A1
BK
BK
OR WH
WH
WH
WH
BL
GN/YL
BK
F1
BK
WH
OR
CM
BK
BL
WH
GN/YL
To the Indoor unit
WH
GN/YL
23
LN
TMo
1(N)
2(L)
3
4
5
Co
OR
OR
YL BK
FMo
BK WH RD
RC
S
Cr
PTCR
1
2
3
4
5
6
7
8
9
Low Ambient PCB
PIPE TH
FUSE T3.15A
TRIAC
OUTDOOR WIRING DIAGRAM INDOOR WIRING DIAGRAM
3854A20135S
TERMINAL BLOCK 30A White Wire NEUTRAL
SOCKET
SOCKET
Ground
BLOWER
MOTOR
White Wire Run Cap.
Brown Wire
STEP
MOTOR
(1)
STEP
MOTOR
(2)
DISPLAY ROOM SENSOR FREEZE SENSOR
LINE Fuse
CL
SWITCH BOX
Red Wire
Red Wire
Red Wire
Black Wire
Blue Wire
Blue Wire
COMM.
HIGH.
MED.
LOW.
Red Wire
1(N)
2(L)
3
TO OUTDOOR UNIT
F1
52C(A)
COMP(A)
CS
Tm
1(L) 2(N)
R
POWER SUPPLY
1Ø,220V,60Hz~ FMo
TO INDOOR UNIT
Tmo
F2
OR
RD
RD
BK
WH WH
BR
RD
RD
RD BR BK
OR
1(N) 2(L) 3 4 5
BK OR
BK
YL
Cr(A)
Cr(A)
BK BK BK
WH
WH
WH
WH WH WH
TB1
TB2
FMo
OR BK OR
BK
YL
52C(B)
COMP(B)
CS
R
BL
YL
RD
BK
WH
WH
BK
WH
WH
YL BL WH
Cr(B)
BK
BK
Cr(B)