Friedrich M18YJ User manual

SVC Manual(Exploded View)

Model : M18YJ

M18CJ

M24CJ

FAC P/no : 960-920-01

ProductSpecifications

System

18k

24k

FAC Model Name

System

M18YJ

M18CJ

M24CJ

Outdoor Unit

MR18Y3J

MR18C3J

MR24C3J

Indoor Unit

MW18Y3J

MW18C3J

MW24C3J

Cooling Capacity

0.900 ~ 5.200 ~ 6.000

0.900 ~ 6.443~ 8.644

Btu/h.

3,070 ~ 17,000 ~ 20,473

3,070 ~22,000~ 29,515

Heating Capacity

0.900 ~ 6.300 ~ 9.000

Btu/h.

3,070 ~ 20,200 ~ 30,709

Power Input

Cooling

1417/ 1680

1417

2040

Running Current

Cooling

6.3/7.3

6.3

Starting Current

Cooling

6.3/7.3

6.3

Cooling COP

3.52

3.16

EER

12.0

10.8

SEER

18.0

20.0

HSPF

9.7

Power Supply

/ V / Hz

1/208-230/60

Power Factor

Air Flow Rate

Indoor (QUIET, LOW, MED, HIGH)

/min(CFM)

8.5(300)/11(389)/14.5(512)/17.0(600)

Outdoor,Max

/min(CFM)

50(1,766)

60(2,119)

Moisture Removal

l/h.

2.6

Sound Level

Indoor,H/M/L/Sleep

dB(A)±3

45 / 40 / 35 / 29

46 / 40 / 35 / 29

Outdoor,Max

dB(A)±3

Refrigerant & Charge (at 7.5 m/24.6ft)

g(oz)

R410A, 1,350(47.6)

R410A, 1,800(63.5)

Additional Refrigerant charge

g/m(oz/ft)

20(0.22)

35(0.38)

Compressor

Type

Twin Rotary

Model

GKT141MB

GJT240MBA

Motor Type

Brushless DC Motor

Oil Type

PVE(FVC68D)

Oil Charge

470

900

O.L.P. name

Fan(Indoor)

Type

Cross Flow Fan

Motor Output

76.1

Fan(Outdoor)

Type

Propeller

Motor Type

BLDC

Motor Output

124

Circuit Breaker*

Power Supply Cable

No.*mm

(AWG)

3*2.0(14)

3*2.5(12)

Power and Transmission Cable

No.*mm

(AWG)

4*1.0 (18)

Piping Connections

Liquid Side

mm(in)

6.35(1/4)

9.52(3/8)

Gas Side

mm(in)

12.7(1/2)

15.88(5/8)

Drain Hose(O.D / I.D.)

mm(in)

21.5 / 16.0(0.85 / 0.63)

Dimensions

Indoor (W*H*D)

1,030*325*245

inch

40.6*12.8*9.64

Outdoor (W*H*D)

870*655*320

870*800*320

inch

34.3*25.8*12.6

34.3*31.5*12.6

Net Weight

Indoor

kg(lbs)

14.5(31.96)

15(33.1)

Outdoor

kg(lbs)

44(97)

55(121.25)

Gross Weight

Indoor

kg(lbs)

18.2(40.1)

18.7(41.23)

Outdoor

kg(lbs)

46(101.4)

58.5(128.97)

Operation Range

Cooling(Outdoor)

°C(℉)DB

-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) / 30(98.4)

Chargeless

m(ft)

7.5(24.6)

Max. Elevation Difference

m(ft)

10(32.8)

15(49.2)

Tool Code(Chassis)

Indoor + Outdoor

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

Airflow Direction Control(Up& Down)

Auto

Airflow Direction Control(Left & Right)

Auto

Remote Controller Type

Wireless LCD

Setting Temperature

Cooling

18℃~30℃

Range

Heating

16℃~30℃

Auto Operation

Auto Changeover

○

Self-Diagnosis

○

Timer

24h, On/off

Sleep Operation

○

Soft Dry Operation

○

Restart Delay(minute)

Deice Control(Defrost)

○

Hot Start

○

Surge Cool Surge

○

Low Ambient Operation

○

Special Function

Water Level Sensor

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

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