SVC Manual(Exploded View)
Model : M18YJ
M18CJ
M24CJ
- 2 -
System 18k 18k 24k
FAC Model Name
System M18YJ M18CJ M24CJ
Outdoor Unit MR18Y3J MR18C3J MR24C3J
Indoor Unit MW18Y3J MW18C3J MW24C3J
Cooling Capacity
kW 0.900 ~ 5.200 ~ 6.000 0.900 ~ 5.200 ~ 6.000 0.900 ~ 6.443~ 8.644
Btu/h. 3,070 ~ 17,000 ~ 20,473 3,070 ~ 17,000 ~ 20,473 3,070 ~22,000~ 29,515
Heating Capacity
kW 0.900 ~ 6.300 ~ 9.000 - -
Btu/h. 3,070 ~ 20,200 ~ 30,709 - Power Input Cooling W 1417/ 1680 1417 2040
Running Current Cooling A 6.3/7.3 6.3 9
Starting Current Cooling A 6.3/7.3 6.3 9
Cooling COP - 3.52 3.52 3.16
EER - 12.0 12.0 10.8
SEER - 18.0 18.0 20.0
HSPF 9.7 - Power Supply Ø/ V / Hz 1/208-230/60 1/208-230/60 1/208-230/60
Power Factor % 97 97 98
Air Flow Rate
Indoor (QUIET, LOW, MED, HIGH) m
3
/min(CFM)
8.5(300)/11(389)/14.5(512)/17.0(600) 8.5(300)/11(389)/14.5(512)/17.0(600) 8.5(300)/11(389)/14.5(512)/17.0(600)
Outdoor,Max m3/min(CFM) 50(1,766) 50(1,766) 60(2,119)
Moisture Removal l/h. 2 2 2.6
Sound Level
Indoor,H/M/L/Sleep dB(A)±3 45 / 40 / 35 / 29 45 / 40 / 35 / 29 46 / 40 / 35 / 29
Outdoor,Max dB(A)±3 53 53 54
Refrigerant & Charge (at 7.5 m/24.6ft) g(oz) R410A, 1,350(47.6) R410A, 1,350(47.6) R410A, 1,800(63.5)
Additional Refrigerant charge g/m(oz/ft) 20(0.22) 20(0.22) 35(0.38)
Compressor
Type Twin Rotary Twin Rotary Twin Rotary
Model GKT141MB GKT141MB GJT240MBA
Motor Type Brushless DC Motor Brushless DC Motor Brushless DC Motor
Oil Type PVE(FVC68D) PVE(FVC68D) PVE(FVC68D)
Oil Charge cc 470 470 900
O.L.P. name - - -
Fan(Indoor)
Type Cross Flow Fan Cross Flow Fan Cross Flow Fan
Motor Output W 30 30 76.1
Fan(Outdoor)
Type Propeller Propeller Propeller
Motor Type BLDC BLDC BLDC
Motor Output W 85 85 124
Circuit Breaker* A 20 20 25
Power Supply Cable No.*mm
2
(AWG) 3*2.0(14) 3*2.0(14) 3*2.5(12)
Power and Transmission Cable No.*mm
2
(AWG) 4*1.0 (18) 4*1.0 (18) 4*1.0 (18)
Piping Connections
Liquid Side mm(in) 6.35(1/4) 6.35(1/4) 9.52(3/8)
Gas Side mm(in) 12.7(1/2) 12.7(1/2) 15.88(5/8)
Drain Hose(O.D / I.D.) mm(in) 21.5 / 16.0(0.85 / 0.63) 21.5 / 16.0(0.85 / 0.63) 21.5 / 16.0(0.85 / 0.63)
Dimensions
Indoor (W*H*D)
mm 1,030*325*245 1,030*325*245 1,030*325*245
inch 40.6*12.8*9.64 40.6*12.8*9.64 40.6*12.8*9.64
Outdoor (W*H*D)
mm 870*655*320 870*655*320 870*800*320
inch 34.3*25.8*12.6 34.3*25.8*12.6 34.3*31.5*12.6
Net Weight
Indoor kg(lbs) 14.5(31.96) 14.5(31.96) 15(33.1)
Outdoor kg(lbs) 44(97) 44(97) 55(121.25)
Gross Weight
Indoor kg(lbs) 18.2(40.1) 18.2(40.1) 18.7(41.23)
Outdoor kg(lbs) 46(101.4) 46(101.4) 58.5(128.97)
Operation Range
Cooling(Outdoor) °C(℉)DB -10(-18)*~48{14.0(0)*~118.4} -10(-18)*~48{14.0(0)*~118.4} -10(-18)*~48{14.0(0)*~118.4}
Heating(Outdoor) °C(℉)WB -20(-4)~24(75.2) - Piping Length (Min/Max) m(ft) 3(9.84) / 20(65.6) 3(9.84) / 20(65.6) 3(9.84) / 30(98.4)
Chargeless m(ft) 7.5(24.6) 7.5(24.6) 7.5(24.6)
Max. Elevation Difference m(ft) 10(32.8) 10(32.8) 15(49.2)
Tool Code(Chassis) Indoor + Outdoor SC + UE SC + UE SC + UE1+
Functions
Temperature Control
○○○
Allergy free filter - - -
Plasma Filter - - -
Prefilter(washable/anti-fungus)
○○○
Auto Clean
○○○
CHAOS Wind(Auto Wind)
○○○
Steps, Fan/Cool/Heat 6/6/6 6/6 6/6
Airflow Direction Control(Up& Down) Auto Auto Auto
Airflow Direction Control(Left & Right) Auto Auto Auto
Remote Controller Type Wireless LCD Wireless LCD Wireless LCD
Setting Temperature Cooling 18℃~30℃ 18℃~30℃ 18℃~30℃
Range Heating 16℃~30℃ - -
Auto Operation (MicomControl) - - -
Auto Changeover (MicomControl)
○○○
Self Diagnosis
○○○
Timer 24h, On/off 24h, On/off 24h, On/off
Sleep Operation
○○○
Soft Dry Operation
○○○
Restart Delay(minute) 3 3 3
Deice Control(Defrost)
○
--
Hot Start
○
--
Jet Cool(Surge)
○○○
Low Ambient Operation
○○○
Special Function
Water Level Sensor Water Level Sensor Water Level Sensor
Wind Baffle kit Wind Baffle kit Wind Baffle kit
Note:
O : Applied, - : No relation
*
For circuit breaker rating, please conform to local standards wherever
necessary.
❈ Some of functions are slightly different depending upon models.
❈
The specification may be subject to change without notic for purpose of improvement.
Product Specifications
- 3 -
Indoor Unit Outdoor Unit
Heat
Exchanger
(Evaporator)
Heat
Exchanger
(Condenser)
Compressor
Accumulator
Gas Side
3-Way Valve
2-Way Valve
Liquid Side
Cooling
Heating
Reversing Valve
EEV
Th1 Th4
Th2
Th6
Th7
Th5
Th3
Piping Diagrams
Model : M18YJ
※ EEV : Electronic Expansion Valve
LOC. Description PCB Connector
Th1 Thermistor for suction air temperature
CN-TH1(Indoor)
Th2 Thermistor for evaporator inlet temperature
Th3 Thermistor for evaporator outlet temperature CN-TH2(Indoor)
Th4 Thermistor for evaporator middle temperature CN-TH3(Indoor)
Th5 Thermistor for discharge pipe temperature CN-TH2(OUTDOOR)
Th6 Thermistor for condensing temperature
CN-TH1(OUTDOOR)
Th7 Thermistor for outdoor air temperature
- 4 -
Indoor Unit Outdoor Unit
Heat
Exchanger
(Evaporator)
Heat
Exchanger
(Condenser)
Compressor
Accumulator
Gas Side
3-Way Valve
2-Way Valve
Liquid Side
Cooling
Heating
EEV
Th1
Th2
Th4
Th5
Th3
※ EEV : Electronic Expansion Valve
LOC. Description PCB Connector
Th1 Thermistor for suction air temperature CN-TH1(Indoor)
Th2 Thermistor for evaporator middle temperature CN-TH3(Indoor)
Th3 Thermistor for discharge pipe temperature CN-TH2(OUTDOOR)
Th4 Thermistor for condensing temperature
CN-TH1(OUTDOOR)
Th5 Thermistor for outdoor air temperature
Model : M18CJ
M24CJ
- 5 -
Copyright ©2013 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
Wiring Diagrams
CN-CN-REMO
CN-TH3
CN-TH2
CN-TH1
CN-DISP1
CN-DISP3
CN-MOTOR1
CN-LINK
CN-N-U/D
C
N-
N-L/R
Indoor Unit
Model : MW18Y3J
Loading...