SVC Manual(Exploded View)
Model : M18YJ
M18CJ
M24CJ
FAC P/no : 960-920-01
Product Specifications
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)
m3/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)
Operati on 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 ○ ○ ○
Natural Air Flow (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 - - -
Auto Changeover ○ ○ ○
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 ○ - -
Surge 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.
❈
The specification may be subject to change without notice for purpose of improvement.
- 2 -
Piping Diagrams
※
EEV
:
Electronic Expansion Valve
Model : M18YJ
Indoor Unit Outdoor Unit
Liquid Side
Th2
2-Way Valve
EEV
Th1 Th4
Heat
Exchanger
(Evaporator)
Heat
Exchanger
(Condenser)
Th7
Th3
Gas Side
3-Way Valve
Accumulator
Th6
Reversing Valve
Compressor
Th5
Cooling
Heating
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
- 3 -
Model : M18CJ
M24CJ
Indoor Unit Outdoor Unit
Liquid Side
Th2
2-Way Valve
EEV
Th1
Heat
Exchanger
(Evaporator)
Heat
Exchanger
(Condenser)
Th5
Gas Side
3-Way Valve
Accumulator
Th4
Compressor
Th3
Cooling
Heating
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
※
EEV : Electronic Expansion Valve
- 4 -
Wiring Diagrams
Indoor Unit
Model : MW18Y3J
CN-U/D
CN-L/R
CN-DISP3
CN-DISP1
CN-TH1 CN-
TH2
CN-TH3
CN-CN-REMO
CN-MOTOR1
CN-LINK
- 5 -
Indoor Unit
Model : MW18C3J
MW24C3J
CN-U/D
CN-L/R
CN-DISP3
CN-DISP1
CN-TH1 CN-
TH2
CN-TH3
CN-CN-REMO
CN-MOTOR1
- 6 -
Outdoor Unit
Model : MR18Y3J
CN-FAN(DC) CN-TH1 CN-4WAY
CN-U(S)
CN-V(R)
CN-W(C)
CN-EEV1 CN-TH2
CN-COM
CN-COIL2 CN-COIL
- 7 -
Outdoor Unit
Model: MR18C3J
CN-FAN(DC) CN-TH1
CN-U(S)
CN-V(R)
CN-W(C)
CN-EEV1 CN-TH2
CN-COM
CN-COIL2 CN-COIL1
- 8 -
Outdoor Unit
Model : MR24C3J
CN-EEV1
CN-CENTRAL
CN-COM
CN-LGMV
AC-L
AC-N
CN-MOTOR1
CN-PFC-OUT
CN-TH3 CN-TH2
CN-PFC-IN
- 9 -
Exploded View
Indoor Unit
Model : MW18Y3J
135316
152301
131111
268711F
131410
135511
135303
149303
733010
267110
342800
359011
135500C
W50400
149304
354212
352150
354210
135090
346810
249951
146811B
35211B
135500A
268711E
268711C
147582
135311
145200A
145200B
146811A
147581
135500B
263230B
263230C
W6640
263230A
- 10 -
LOC
Description
263230A
Thermistor for suction air temperature
Thermistor for evaporator inlet temperature
263230B
Thermistor for evaporator outlet temperature
263230C
Thermistor for evaporator middle temperature
Model: MW18Y3J
- 11 -
MW18Y3J
Loc No.
P/N_FRD
Description
Qty
131410 67601001 Chassis Assembly 1
149303 67602705 Holder,Tubing 1
346810 67603329 Motor,DC 1
135500A 67601508 Cover 1
359011 67602107 Fan Assembly,Cross Flow 1
342800 67606700 Bearing 1
354212 67602020 Evaporator Assy Final 1
354210 67602012 Evaporator Assembly,First 1
35211B 67606012 Tube Assy Tubing 1
149304 67602702 Holder,Evaporator 1
249951 67600937 Case Assy Control(Indoor) 1
W6640 67601404 Connector,Terminal Block 1
268711C 67603944 PCB Assy Main 1
263230C 67604833 Thermistor Assy NTC 1
263230B 67604801 Thermistor Assembly 1
263230A 67604816 Thermistor Assembly,NTC 1
135311 67602501 Grille Assembly,Discharge(Indoor) 1
147581 67603202 Louver,Horizontal 1
147582 67603205 Louver,Vertical 12
145200A 67603001 Link 1
145200B 67603000 Link 1
146811B 67603320 Motor Assembly,DC,Stepping 1
W50400 67601700 Damper 2
135316 67602529 Grille Assy Front(Indoor) 1
135303 67602530 Grille Assy Inlet 1
152301 67602210 Filter,Deodorizing 2
268711F 67603924 PCB Assembly,Sub 1
135511 67601601 Cover Assembly,Control(Indoor) 1
135090 67601801 Decor Assembly 1
135500C 67601507 Cover 1
733010 67604001 Plate Assembly,Installation 1
352150 67602806 Hose Assembly,Drain 1
135511 67601601 Cover 1
268711E 67603945 PCB Assy Option 1
146811A 67603317 Motor Assembly,DC,Stepping 1
267110 67604307 Remote Controller Assembly 1
135500B 67601508 Cover 1
Indoor Unit
Model : MW18C3J, MW24C3J
135316
152301
131111
268711F
131410
135511
135303
149303
733010
267110
342800
359011
135500C
W50400
149304
354212
352150
354210
135090
346810
249951
146811B
35211B
135500A
268711E
268711C
147582
135311
145200A
145200B
146811A
147581
135500B
263230A
263230B
W6640
LOC
Description
263230A
Thermistor for suction air temperature
263230B
Thermistor for evaporator middle temperature
- 12 -
Model: MW18C3J
- 13 -
MW18C3J
Loc No. P/N_FRD Description Qty
131410 67601001 Chassis Assembly 1
149303 67602705 Holder,Tubing 1
346810 67603329 Motor,DC 1
135500A 67601508 Cover 1
359011 67602107 Fan Assembly,Cross Flow 1
342800 67606700 Bearing 1
354212 67602020 Evaporator Assembly,Final 1
354210 67602012 Evaporator Assembly,First 1
35211B 67606012 Tube Assembly,Tubing 1
149304 67602702 Holder,Evaporator 1
249951 67600939 Case Assy Control(Indoor) 1
W6640 67601404 Connector Terminal Block 1
268711C 67603947 PCB Assy Main 1
263230B 67604808 Thermistor Assembly,NTC 1
263230A 67604801 Thermistor Assembly 1
135311 67602501 Grille Assembly,Discharge(Indoor) 1
147581 67603202 Louver,Horizontal 1
147582 67603205 Louver,Vertical 12
145200A 67603001 Link 1
145200B 67603000 Link 1
146811B 67603320 Motor Assembly,DC,Stepping 1
W50400 67601700 Damper 2
135316 67602531 Grille Assy Front(Indoor) 1
135313 67602530 Grille Assembly,Inlet 1
152301 67602210 Filter,Deodorizing 2
268711F 67603924 PCB Assembly,Sub 1
135511 67601601 Cover Assembly,Control(Indoor) 1
135090 67601801 Decor Assembly 1
135500C 67601507 Cover 1
733010 67604001 Plate Assembly,Installation 1
352150 67602806 Hose Assembly,Drain 1
131111 67600923 Case Assembly,Indoor 1
268711E 67603948 PCB Assy Option 1
146811A 67603317 Motor Assembly,DC,Stepping 1
267110 67604309 Remote Controller Assy 1
135500B 67601511 Cover 1
Model: MW24C3J
MW24C3J
Loc No. P/N_FRD Description Qty
131410 67601001 Chassis Assembly 1
149303 67602705 Holder,Tubing 1
346810 67603329 Motor,DC 1
135500A 67601508 Cover 1
359011 67602107 Fan Assembly,Cross Flow 1
342800 67606700 Bearing 1
354212 67602005 Evaporator Assembly,Final 1
354210 67602012 Evaporator Assembly,First 1
35211B 67605001 Tube Assembly,Tubing 1
149304 67602702 Holder,Evaporator 1
249951 67600939 Case Assembly,Control(Indoor) 1
W6640 67601404 Connector,Terminal Block 1
268711C 67603947 PCB Assembly,Main 1
263230B 67604808 Thermistor Assembly,NTC 1
263230A 67604801 Thermistor Assembly 1
135311 67602501 Grille Assembly,Discharge(Indoor) 1
147581 67603202 Louver,Horizontal 1
147582 67603205 Louver,Vertical 12
145200A 67603001 Link 1
145200B 67603000 Link 1
146811B 67603320 Motor Assembly,DC,Stepping 1
W50400 67601700 Damper 2
135316 67602531 Grille Assembly,Front(Indoor) 1
135313 67602530 Grille Assembly,Inlet 1
152301 67602210 Filter,Deodorizing 2
268711F 67603924 PCB Assembly,Sub 1
135511 67601601 Cover Assembly,Control(Indoor) 1
135090 67601801 Decor Assembly 1
135500C 67601507 Cover 1
733010 67604001 Plate Assembly,Installation 1
352150 67602806 Hose Assembly,Drain 1
131111 67600923 Case Assembly,Indoor 1
268711E 67603949 PCB Assy Option 1
146811A 67603317 Motor Assembly,DC,Stepping 1
267110 67604309 Remote Controller Assembly 1
135500B 67601511 Cover 1
- 14 -
Indoor Unit
Model : MR18Y3J
- 15 -
LOC
Description
263230A
Thermistor for suction air temperature
Thermistor for condense middle temperature
263230B
Thermistor for discharge pipe temperature
Model : MR18Y3J
- 16 -
MR18Y3J
Loc No. P/N_FRD Description Qty
437211 67603848 Panel Assembly, Front(Outdoor) 1
237202 67603838 Panel Front 1
435301 67602524 Grille Discharge 1
349480 67603601 Orifice 1
430410 67600604 Base Assy Outdoor 1
152503 67603500 Nipple Drain 1
559010 67602116 Fan Propeller 1
546810 67603327 Motor Assy DC Outdoor 1
349600 67301801 Bracket Motor 1
435512 67601614 Cover Assy Top(Outdoor) 1
649950 67600938 Case Assy Control(Outdoor) 1
268711C 67603946 PCB Assy Main 1
552112 67605301 Tube Assy Conderser(In) 1
W6640 67601405 Connector Terminal Block 1
447910 67600306 Barrier Assy Outdoor 1
261704 67604902 Transformer Reactor 1
554160 67604202 Compressor Set 1
550140 67601702 Damper Compressor 3
W6631 67602606 Harness Single 1
437212 67603818 Panel Assy Rear(Outdoor) 1
435511B 67601608 Cover Assy Control(Outdoor) 1
135500 67601506 Cover 1
661400 67601103 Coil Expansion 1
552113 67605306 Tube Assy Conderser(Out) 1
552200 67606301 Valve Expansion Body 1
263230A 67604812 Thermistor Assy NTC 1
263230B 67604817 Thermistor Assy NTC 1
552116 67606108 Tube Assy Reverse 1
552202 67606403 Valve Reverse 1
561410 67601904 Drawing Assy 1
W49810 67604606 Supporter Assy 1
552203A 67606505 Valve Service 1
552203B 67606501 Valve Service 1
554031 67601301 Condenser Assy Bending 1
Outdoor Unit
Model
: MR18C3J
- 17 -
LOC
Description
263230A
Thermistor for suction air temperature
Thermistor for condense middle temperature
263230B
Thermistor for discharge pipe temperature
Model
: MR18C3J
MR18C3J
Loc No. P/N_FRD Description Qty
437211 67603848 Panel Assembly, Front(Outdoor) 1
237202 67603838 Panel, Front 1
435301 67602524 Grille, Discharge 1
349480 67603601 Orifice 1
430410 67600604 Base Assembly, Outdoor 1
152503 67603500 Nipple, Drain 1
559010 67602116 Fan, Propeller 1
546810 67603327 Motor Assembly, DC, Outdoor 1
349600 67301801 Bracket, Motor 1
435512 67601614 Cover Assembly, Top(Outdoor) 1
649950 67600938 Case Assembly, Control(Outdoor) 1
268711C 67603946 PCB Assembly, Main 1
552112 67605301 Tube Assembly, Conderser(In) 1
W6640 67601405 Connector, Terminal Block 1
447910 67600306 Barrier Assembly, Outdoor 1
261704 67604902 Transformer, Reactor 1
554160 67604202 Compressor Set 1
550140 67601702 Damper, Compressor 3
W6631 67602606 Harness, Single 1
437212 67603818 Panel Assembly, Rear(Outdoor) 1
435511B 67601608 Cover Assembly, Control(Outdoor) 1
135500
67601506
Cover
1
661400 67601103 Coil,Expansion 1
552113 67605306 Tube Assembly, Conderser(Out) 1
552200 67606301 Valve, Expansion Body 1
263230A 67604812 Thermistor Assembly, NTC 1
263230B 67604817 Thermistor Assembly, NTC 1
552116
67606108
Tube Assembly, Reverse
1
552202 67606403 Valve, Reverse 1
W49810 67604606 Supporter Assembly 1
552203A 67606505 Valve, Service 1
552203B 67606501 Valve, Service 1
554031 67601301 Condenser Assembly, Bending 1
- 16 -
Outdoor Unit
Model
: MR24C3J
- 19 -
LOC
Description
263230A
Thermistor for suction air temperature
Thermistor for condense middle temperature
263230B
Thermistor for discharge pipe temperature
Outdoor Unit
Model
: MR24C3J
MR24C3J
Loc No. P/N_FRD Description Qty
430410
67600605
Base Assembly,Outdoor
1
554031
67601300
Condenser Assembly,Bending
1
352111B
67605400
Tube Assembly,Connector
1
554160
67601202
Compressor Set,Korea
1
552115
67606008
Tube Assembly,Manifold(Outdoor)
1
552113
67605303
Tube Assembly,Condenser(Out)
1
55211G
67605902
Tube Assembly,Expansion
1
W49810
67604606
Supporter Assembly
1
552203B
67606513
Valve,Service
1
552203A
67606507
Valve,Service
1
552200
67606302
Valve,Expansion Body
1
552117
67606205
Tube Assembly,Suction(Outdoor)
1
552116
67606106
Tube Assembly,Reverse
1
552202
67606403
Valve,Reverse
1
661400
67601101
Coil,Expansion
1
435511A
67601605
Cover Assembly,Control(Outdoor)
1
447910
67600302
Barrier Assembly,Outdoor
1
549610
67600707
Bracket Assembly,Motor
1
W4810
67600719
Bracket
1
546810
67603312
Motor Assembly,DC,Outdoor
1
559010
67602115
Fan,Propeller
1
137213A
67603828
Panel Assembly,Side
1
137213B
67603827
Panel Assembly,Side
1
435512
67601610
Cover Assembly,Top(Outdoor)
1
550140
67601701
Damper,Compressor
3
152503
67603500
Nipple,Drain
1
435300
67602518
Grille,Rear
1
437211
67603803
Panel Assembly,Front(Outdoor)
1
437210
67603810
Panel Assembly,Front(Sub)
1
435301
67602514
Grille,Discharge
1
349480
67603602
Orifice
1
435511B
67601608
Cover Assembly,Control(Outdoor)
1
135500
67601506
Cover
1
649950
67600940
Case Assy Control(Outdoor)
1
268711
67603950
PCB Assy
1
263230A
67604812
Thermistor Assembly,NTC
1
263230B
67604834
Thermistor Assy NTC
1
W6640
67601400
Connector,Terminal Block
1
W6631
67602606
Harness,Single
1
- 20 -
P/No. : MFL67501910
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