CONFIDENTIAL

Room Air Conditioner

SVC MANUAL(Exploded View)
MODEL : S4-W36R43FA

CAUTION
Before Servicing the unit, read the safety precautions in General SVC manual.
Only for authorized service personnel.

Copyright © 2019 LG Electronics Inc. All rights reserved. Only training and service purposes.
 1. Specification
Buyer Model SW362H8.SSM0 (SW362H8.NRM0 / SW362H8.USM0) SW362H8.SSP0 (SW362H8.NRP0 / SW362H8.USP0)
Set (Indoor / Outdoor) Unit
Factory Model S4-W36R43FA (S4NW36R43FA / S4UW36R43FA) S4-W36R43FA (S4NW36R43FA / S4UW36R43FA)
kW 1.77 9.67 11.14 1.77 9.67 11.14
Cooling Min ~ Rated ~ Max
Btu/h 6,035 33,000 38,000 6,035 33,000 38,000
Capacity
kW 1.47 8.50 9.79 1.47 8.50 9.79
Heating Min ~ Rated ~ Max
Btu/h 5,000 29,000 33,400 5,000 29,000 33,400
Cooling Min ~ Rated ~ Max W 610 3,120 3,990 610 3,120 3,990
Power Input
Heating Min ~ Rated ~ Max W 559 2,235 3,990 559 2,235 3,990
Cooling Min ~ Rated ~ Max A 3.92 14.50 17.00 3.92 14.50 17.00
Running Current
Heating Min ~ Rated ~ Max A 3.68 10.50 17.00 3.68 10.50 17.00
W/W 3.10 3.10
EER
(Btu/h)/W 10.58 10.58
SEER - 20.00 20.00
W/W 3.80 3.80
COP
(Btu/h)/W 12.98 12.98
SCOP - - -
Energy Label Grade Cooling / Heating - -/- -/-
Annual Energy Consumption Cooling / Heating kWh/year 1,560 / - 1,560 / -
Operating Wattage kWh 1.76 1.76
Standby Wattage Wh 0.50 0.50
Power Supply Ø, V, Hz 1, 220, 60 1, 220, 60
Available Voltage Range V 187 ~ 276 187 ~ 276
Power Factor Cooling / Heating % 98.0 / 98.0 98.0 / 98.0
Moisture Removal l/h 2.66 2.66
Cooling, Max / H / M / L m³/min 32 / 25 / 21 / 17 32 / 25 / 21 / 17
Air Flow Rate
Heating, Max / H / M / L m³/min 33 / 27 / 23 / 19 33 / 27 / 23 / 19
Sound Pressure Cooling, Max / H / M / L / SL dB(A) - / 52 / 47 / 43 / 34 - / 52 / 47 / 43 / 34
Level Heating, Max / H / M / L dB(A) - / 52 / 47 / 43 - / 52 / 47 / 43
Sound Power Level dB(A) - -
Indoor
Dimensions (W × Net mm 1,200 × 360 × 265 1,200 × 360 × 265
H × D) Shipping mm 1,280 × 455 × 357 1,280 × 455 × 357
Net kg 18.5 18.5
Weight
Shipping kg 22.2 22.2
Exterior Color Code - Munsell 7.5BG 10/2 (RAL 9016) Munsell 7.5BG 10/2 (RAL 9016)
Air Flow Rate Max m³/min 71.0 71.0
Cooling, Min ~ Max rpm 190 ~ 850 190 ~ 850
Fan Motor Speed
Heating, Min ~ Max rpm 190 ~ 850 190 ~ 850
Sound Pressure Cooling, Rated dB(A) 58 58
Level Heating, Rated dB(A) 59 59
Sound Power Level dB(A) - -
Dimensions (W × Net mm 950 × 832 × 330 950 × 832 × 330
Outdoor H × D) Shipping mm 1,130 × 908 × 456 1,130 × 908 × 456
Net kg 67.1 67.1
Weight
Shipping kg 76.6 76.6
Max. Fuse Size A 25 25
Exterior Color Code - Munsell 9.54Y 8.34/1.31 (RAL 9001) Munsell 9.54Y 8.34/1.31 (RAL 9001)
Cooling °C DB 18 ~ 54 18 ~ 54
Operation Range Heating °C DB -5 ~ 24 -5 ~ 24
Heating °C WB -5 ~ 18 -5 ~ 18
Circuit Breaker A 25 25
Power Supply Cable No. × mm² 3 × 2.5 3 × 2.5
Power Supply to Unit - Outdoor Outdoor
Power and Communication Cable No. × mm² 4 × 1.0 4 × 1.0
Liquid mm ø 9.52 ø 9.52
Size
Piping Gas mm ø 15.88 ø 15.88
Connections Method Indoor / Outdoor - Flared / Flared Flared / Flared
Drain Hose Size O.D, I.D mm 20.0, 15.0 20.0, 15.0
Min / Standard / Max m 3.0 / 7.6 / 30 3.0 / 7.5 / 30
Piping Length
Between Indoor No Charge m 7.6 7.5
& Outdoor Max. Elevation Difference m 25 25
Piping Connection Heat Insulation - Both liquid and gas pipes Both liquid and gas pipes
Type - R410A R410A
Pre Charge g 2,400 2,400
Additional Charge g/m 30 30
Refrigerant
Control - Electronic Expansion Valve Electronic Expansion Valve
Global Warning Potential - 2,087.5 2,087.5
t-CO₂ eq - 5.010 5.010
Defrost Method - Reverse Cycle Reverse Cycle
Tool Code (Chassis) Indoor / Outdoor - SR / U4 SR / U4

Note
• – : No Relation • Fan motor speed could vary ±20 rpm according to the operating conditions.
• All power supply and communication cables and circuit breaker must comply with applicable local and • It may cause reliability, performance, noise, and vibration problem, unless meeting the range of connect-
national codes. ing pipe length. Keep the minimum piping length by making loops, although indoor unit and outdoor unit
• Exterior color code is approximate value. are close.
• It is difficult to measure air flow rate of sleep because of small values. • This product contains fluorinated greenhouse gases.
• Maximum heating capacity is for heating operation without any frost. • Some specifications may be changed without notifications due to our policy of innovation.

-2- Copyright © 2019 LG Electronics Inc. All rights reserved.

Only training and service purposes.
 Buyer Model SW362H8.SSM0 (SW362H8.NRM0 / SW362H8.USM0) SW362H8.SSP0 (SW362H8.NRP0 / SW362H8.USP0)
Set (Indoor / Outdoor) Unit
Factory Model S4-W36R43FA (S4NW36R43FA / S4UW36R43FA) S4-W36R43FA (S4NW36R43FA / S4UW36R43FA)
Type - Twin Rotary Twin Rotary
Model - GPT330MAB GPT330MAB
Motor Type - BLDC BLDC
Compressor Oil Type / Maker - PVE (FVC68D) / IDEMITSU PVE (FVC68D) / IDEMITSU
Oil Charge cc 1,300 1,300
O.L.P. Name - - -
Manufacturer / Country of Origin - LG Electronics / Korea LG Electronics / Korea
Type - Cross Flow Fan Cross Flow Fan
Fan(Indoor)
Motor Output W 113.1 113.1
Type - Propeller Fan Propeller Fan
Motor Type - BLDC BLDC
Fan(Outdoor) Motor Output W 124 124
Motor Insulation - Class E Class E
Motor Enclosure / Ingress Protection - TEAO / IPX4 TEAO / IPX4
Material, Tube / Fin - Cu / Al Cu / Al
(ø x Row x Column x FPI x L) x Qty. #1 (ø7 x 3 x 18 x 21 x 913) x 1 (ø7 x 3 x 18 x 21 x 913) x 1
(ø x Row x Column x FPI x L) x Qty. #2 - -
Evaporator (ø x Row x Column x FPI x L) x Qty. #3 - -
(ø x Row x Column x FPI x L) x Qty. #4 - -
Corrosion Protection - PCM PCM
Heat Exchanger
Fin Type - Slit Slit
Material, Tube / Fin - Cu / Al Cu / Al
(ø x Row x Column x FPI x L) x Qty. #1 (ø7 x 2 x 38 x 14 x 950) x 1 (ø7 x 2 x 38 x 14 x 950) x 1
Condenser (ø x Row x Column x FPI x L) x Qty. #2 - -
Corrosion Protection - Gold Gold
Fin Type - Wide Louver Plus Wide Louver Plus

Note
• – : No Relation • Fan motor speed could vary ±20 rpm according to the operating conditions.
• All power supply and communication cables and circuit breaker must comply with applicable local and • It may cause reliability, performance, noise, and vibration problem, unless meeting the range of connect-
national codes. ing pipe length. Keep the minimum piping length by making loops, although indoor unit and outdoor unit
• Exterior color code is approximate value. are close.
• It is difficult to measure air flow rate of sleep because of small values. • This product contains fluorinated greenhouse gases.
• Maximum heating capacity is for heating operation without any frost. • Some specifications may be changed without notifications due to our policy of innovation.

-3- Copyright © 2019 LG Electronics Inc. All rights reserved.

Only training and service purposes.
 Buyer Model SW362H8.SSC0 (SW362H8. NRC0 / SW362H8.USC0)
Set (Indoor / Outdoor) Unit
Factory Model S4-W36R43FA (S4NW36R43FA / S4UW36R43FA)
kW 1.77 9.67 11.14
Cooling Min ~ Rated ~ Max
Btu/h 6,035 33,000 38,000
Capacity
kW 1.47 8.50 9.79
Heating Min ~ Rated ~ Max
Btu/h 5,000 29,000 33,400
Cooling Min ~ Rated ~ Max W 610 3,120 3,990
Power Input
Heating Min ~ Rated ~ Max W 559 2,235 3,990
Cooling Min ~ Rated ~ Max A 3.92 14.50 17.00
Running Current
Heating Min ~ Rated ~ Max A 3.68 10.50 17.00
W/W 3.00
EER
(Btu/h)/W 10.23
SEER - 20.00
W/W 3.80
COP
(Btu/h)/W 12.98
SCOP - -
Energy Label Grade Cooling / Heating - -/-
Annual Energy Consumption Cooling / Heating kWh/mon 425.7 / -
Operating Wattage kWh 1.76
Standby Wattage Wh 0.50
Power Supply Ø, V, Hz 1, 230, 60
Available Voltage Range V 187 ~ 276
Power Factor Cooling / Heating % 98.0 / 98.0
Moisture Removal l/h 2.66
Cooling, Max / H / M / L m³/min 32 / 25 / 21 / 17
Air Flow Rate
Heating, Max / H / M / L m³/min 33 / 27 / 23 / 19
Cooling, Max / H / M / L / SL dB(A) - / 52 / 47 / 43 / 34
Sound Pressure Level
Heating, Max / H / M / L dB(A) - / 52 / 47 / 43
Sound Power Level dB(A) -
Indoor
Net mm 1,200 × 360 × 265
Dimensions (W × H × D)
Shipping mm 1,280 × 455 × 357
Net kg 18.5
Weight
Shipping kg 22.2
Exterior Color Code - Munsell 7.5BG 10/2 (RAL 9016)
Air Flow Rate Max m³/min 71.0
Cooling, Min ~ Max rpm 190 ~ 850
Fan Motor Speed
Heating, Min ~ Max rpm 190 ~ 850
Cooling, Rated dB(A) 58
Sound Pressure Level
Heating, Rated dB(A) 59
Sound Power Level dB(A) -
Net mm 950 × 832 × 330
Dimensions (W × H × D)
Outdoor Shipping mm 1,130 × 908 × 456
Net kg 67.1
Weight
Shipping kg 76.6
Max. Fuse Size A 25
Exterior Color Code - Munsell 9.54Y 8.34/1.31 (RAL 9001)
Cooling °C DB 18 ~ 54
Operation Range Heating °C DB -5 ~ 24
Heating °C WB -5 ~ 18
Circuit Breaker A 25
Power Supply Cable No. × mm² 3 × 2.5
Power Supply to Unit - Outdoor
Power and Communication Cable No. × mm² 4 × 1.0
Liquid mm ø 9.52
Size
Piping Gas mm ø 15.88
Connections Method Indoor / Outdoor - Flared / Flared
Drain Hose Size O.D, I.D mm 20.0, 15.0
Min / Standard / Max m 3.0 / 7.6 / 30
Piping Length
Between Indoor No Charge m 7.6
& Outdoor Max. Elevation Difference m 25
Piping Connection Heat Insulation - Both liquid and gas pipes
Type - R410A
Pre Charge g 2,400
Additional Charge g/m 30
Refrigerant
Control - Electronic Expansion Valve
Global Warning Potential - 2,087.5
t-CO₂ eq - 5.010
Defrost Method - Reverse Cycle
Tool Code (Chassis) Indoor / Outdoor - SR / U4

Note
• – : No Relation • Fan motor speed could vary ±20 rpm according to the operating conditions.
• All power supply and communication cables and circuit breaker must comply with applicable local and • It may cause reliability, performance, noise, and vibration problem, unless meeting the range of connect-
national codes. ing pipe length. Keep the minimum piping length by making loops, although indoor unit and outdoor unit
• Exterior color code is approximate value. are close.
• It is difficult to measure air flow rate of sleep because of small values. • This product contains fluorinated greenhouse gases.
• Maximum heating capacity is for heating operation without any frost. • Some specifications may be changed without notifications due to our policy of innovation.

-4- Copyright © 2019 LG Electronics Inc. All rights reserved.

Only training and service purposes.
 Buyer Model SW362H8.SSC0 (SW362H8. NRC0 / SW362H8.USC0)
Set (Indoor / Outdoor) Unit
Factory Model S4-W36R43FA (S4NW36R43FA / S4UW36R43FA)
Type - Twin Rotary
Model - GPT330MAB
Motor Type - BLDC
Compressor Oil Type / Maker - PVE (FVC68D) / IDEMITSU
Oil Charge cc 1,300
O.L.P. Name - -
Manufacturer / Country of Origin - LG Electronics / Korea
Type - Cross Flow Fan
Fan(Indoor)
Motor Output W 113.1
Type - Propeller Fan
Motor Type - BLDC
Fan(Outdoor) Motor Output W 124
Motor Insulation - Class E
Motor Enclosure / Ingress Protection - TEAO / IPX4
Material, Tube / Fin - Cu / Al
(ø x Row x Column x FPI x L) x Qty. #1 (ø7 x 3 x 18 x 21 x 913) x 1
(ø x Row x Column x FPI x L) x Qty. #2 -
Evaporator (ø x Row x Column x FPI x L) x Qty. #3 -
(ø x Row x Column x FPI x L) x Qty. #4 -
Corrosion Protection - PCM
Heat Exchanger
Fin Type - Slit
Material, Tube / Fin - Cu / Al
(ø x Row x Column x FPI x L) x Qty. #1 (ø7 x 2 x 38 x 14 x 950) x 1
Condenser (ø x Row x Column x FPI x L) x Qty. #2 -
Corrosion Protection - Gold
Fin Type - Wide Louver Plus

Note
• – : No Relation • Fan motor speed could vary ±20 rpm according to the operating conditions.
• All power supply and communication cables and circuit breaker must comply with applicable local and • It may cause reliability, performance, noise, and vibration problem, unless meeting the range of connect-
national codes. ing pipe length. Keep the minimum piping length by making loops, although indoor unit and outdoor unit
• Exterior color code is approximate value. are close.
• It is difficult to measure air flow rate of sleep because of small values. • This product contains fluorinated greenhouse gases.
• Maximum heating capacity is for heating operation without any frost. • Some specifications may be changed without notifications due to our policy of innovation.

-5- Copyright © 2019 LG Electronics Inc. All rights reserved.

Only training and service purposes.
 2. Function
SW362H8.SSM0 SW362H8.SSP0 SW362H8.SSC0
Category Function
S4-W36R43FA
Air Supply Outlet 1 1 1
Airflow Direction Control (Left & Right) 5 Steps 5 Steps 5 Steps
Airflow Direction Control (Up & Down) 6 Steps 6 Steps 6 Steps
Auto Swing (Left & Right) O O O
Air Flow Auto Swing (Up & Down) O O O
Fan Speed Steps (Fan / Cool / Heat) 6/6/6 6/6/6 6/6/6
Natural Wind (Auto Wind) O O O
Jet Cool / Jet Heat (Power Wind) O/O O/O O/O
Comfort Air O O O
Prefilter (Washable / Anti-Bacteria) O O O
Deodorizing Filter X X X
Air Purifying Micro Dust Filter X X X
Multi Protection Filter X X X
Plasma Air Purifier (Ionizer) X X X
Installation Drain Pump X X X
Hot Start O O O
Self Diagnosis O O O
Reliability
De-ice Control (Defrost) O O O
Dry (Dehumidification) Operation O O O
Auto Changeover O O O
Auto Operation (Artificial Intelligence) X X X
Auto Cleaning (Coil Dry) O O O
Auto Restart Operation O O O
Child Lock ¹ O O O
Forced Operation O O O
Group Control ¹ X X X
Sleep Mode 7hr 7hr 7hr
Timer 24hr (On/Off) / 7hr (Off) O/X O/X O/X
Timer (Weekly) ¹ O O O
Two Thermistor Control ¹ O O O
Convenience Low Ambient Operation O O O
Overheating Protection O O O
Low Heating X X X
Voice Control X X X
Smart Scan (PIR) X X X
LG AC Tag On (NFC) X X X
Outdoor Silent Mode X X X
Mosquito Away X X X
Smart Diagnosis O O O
Indoor Unit Display Type Number Display Number Display Number Display
Indoor Unit Display Light On/Off On/Off On/Off
Energy Display O O O
Energy Saving O O O
Energy Saving Energy Control X X X
Gen Mode X X X
Wired Remote Controller (Premium) ² X X X
Wired Remote Controller (Standard) ² PQRCVSL0(QW) / PREMTB(0/B)01 PQRCVSL0(QW) / PREMTB(0/B)01 PQRCVSL0(QW) / PREMTB(0/B)01
Wired Remote Controller (Simple with Mode Selection) ² X X X
Individual Control Wired Remote Controller (Simple without Mode Selection) ² X X X
(See Remote Controller Section) AKB74955602 AKB74955602 AKB74955602
Handheld Wireless
Setting Temperature Range (Cooling) 18~30 °C (64~86 °F) 18~30 °C (64~86 °F) 18~30 °C (64~86 °F)
Controller
Setting Temperature Range (Heating) 16~30 °C (60~86 °F) 16~30 °C (60~86 °F) 16~30 °C (60~86 °F)
General Central Controller (Non LGAP) X X X
Network Solution (LGAP) O O O
CAC PQDSB1, PQDSBC, PQDS- PQDSB1, PQDSBC, PQDS- PQDSB1, PQDSBC, PQDS-
Dry Contact ²
Network Function BC1, PQDSBNGCM1 BC1, PQDSBNGCM1 BC1, PQDSBNGCM1
PDI (Power Distribution Indicator) ² X X X
Outdoor Unit PI 485 ² PMNFP14A1 PMNFP14A1 PMNFP14A1
Wi-Fi ² Embedded Embedded Embedded
Water Level Sensor Connection ² X X X
Wind Baffle Kit ² X X X
Special Function Kit Sump Heater X X X
Sheath Heater ² X X X
Crank Case Heater X X X
Smart Inverter Monitoring System (SIMs) ² PSWMOZ3 PSWMOZ3 PSWMOZ3
Mode Lock Cooling Only or Heating Only Cooling Only or Heating Only Cooling Only or Heating Only
Others Temperature Control Thermistor Thermistor Thermistor
DRED (Demand Response Enabling Device) X X X

Note • ² : Optional accessories must be purchased separately. If shown as "Embedded", this function is
• O : Applied, X : Not Applied included in product.
• Filters are optional in some specific areas. • The function Wi-Fi is only compatible with 2.4 GHz band. (802.11 b/g/n)
• ¹ : This function can be operated only when the wired remote controller is connected. The applica- • Some specifications may be changed without notifications due to our policy of innovation.
bility of each function depends on the above table.

-6- Copyright © 2019 LG Electronics Inc. All rights reserved.

Only training and service purposes.
 3. Refrigerant Cycle Diagram
Model : SW362H8 (S4-W36R43FA)
Indoor Unit Outdoor Unit

Field Piping
2-Way Valve
(Copper Tubing)

Liquid Side
EEV
Th1
M
Th3
Heat M Heat
Exchanger Exchanger
(Evaporator) Th2 (Condenser)

3-Way Valve Reversing Th4

Field Piping Valve
(Copper Tubing)

Gas Side
Th5

: Cooling
Compressor : Heating

Location Description PCB Connector

Th1 Thermistor for indoor air temperature CN-TH1 (Indoor)
Th2 Thermistor for evaporator middle temperature CN-TH3 (Indoor)
Th3 Thermistor for outdoor air temperature
CN-TH1
Th4 Thermistor for condensing temperature
Th5 Thermistor for discharge pipe temperature CN-TH2

n Refrigerant Pipe Connection Port Diameters

Gas Liquid
Location
mm inch mm inch
S4-W36R43FA Ø 15.88 Ø 5/8 Ø 9.52 Ø 3/8

Heat Exchanger M Propeller Fan Cross Flow Fan Compressor Accumulator 4 Way Valve

EEV 2-Way Valve Temperature Pressure Switch

Appendix (Electronic
Expansion Valve)
Capillary Tube
3-Way Valve Sensor Pressure Sensor

Check Valve Flare Joint Muffler Strainer

-7- Copyright © 2019 LG Electronics Inc. All rights reserved.

Only training and service purposes.
 4. Wiring Diagram
MODEL : S4NW36R43FA

CN-MOTOR1 CN-L/R CN-U/D CN-HVB CN-DISP3

(WH) (BL) (WH) (BL) (BL)

CN-L1
CN-IN/N1

CN-DISP1
(WH)

CN1
CN-CC
(WH)

CN-TH1
(WH)
CN-TH3
CN-COM2 (WH)

CN-LINK CN-REMO
(BL) (GR)

-8- Copyright © 2019 LG Electronics Inc. All rights reserved.

Only training and service purposes.
MODEL : S4UW36R43FA

CN_COMP CN_FAN_DC CN_EEV1 CN_TH1 CN_TH2 CN_LGMV CN_4WAY_AC

(BK) (WH) (WH) (WH) (YL) (BL) (YL)

CN_CENTRAL
(BL)

CN_COM1
(WH)

CN_POWER
(WH)

CN_REACTOR_OUT CN_REACTOR_IN WCN_GND2 WCN_GND1

(WH) (RD)

-9- Copyright © 2019 LG Electronics Inc. All rights reserved.

Only training and service purposes.
 135316

152402
733010

149303

267110 147582
131410
635501

342800
359013 145201
135500

149304

354210
135090
346710
749740
135311 352119
W50400 135501

2687U
35211E
W50400

147580
2687M
146CNM
2687D

263RZZ
W3110

352150

263VZZ
W6643
35211B

249951
 554031 435300

137213
435512 263RZZ
549610

552115

437212
661401

559014 546710
649950

135400

2687M

Comp. wire 35211C

HNMC11

552113

W6644

552202
435301 349490 W6643

561411

437211 554160 263HZZ 263OZZ

550140

137223 552234
552232

552116
430410 W49810
6. SVC Guide

- 12 - Copyright © 2019 LG Electronics Inc. All rights reserved.

Only training and service purposes.
- 13 - Copyright © 2019 LG Electronics Inc. All rights reserved.
Only training and service purposes.
- 14 - Copyright © 2019 LG Electronics Inc. All rights reserved.
Only training and service purposes.
- 15 - Copyright © 2019 LG Electronics Inc. All rights reserved.
Only training and service purposes.
- 16 - Copyright © 2019 LG Electronics Inc. All rights reserved.
Only training and service purposes.
- 17 - Copyright © 2019 LG Electronics Inc. All rights reserved.
Only training and service purposes.
P/NO : MFL67883142

Copyright © 2019 LG Electronics Inc. All rights reserved. Only training and service purposes.