Friedrich MC12Y3JM User manual

Multi Zone Air Conditioner

SVC MANUAL(Exploded View)

CAUTION

Before Servicing the unit, read the safety

precautions in General SVC manual.

Only for authorized service personnel.

MODEL : MC12Y3JM

MC18Y3JM

960-920-05

1. Specification

Indoor unit type

Ceiling Cassette - 4way

Model

MC12Y3JM

MC18Y3JM

Decoration Panel Name

DCG1218]

DCG1218

Power Supply

V, Ø, Hz

208/230, 1, 60

Capacity(*)

Btu/h class

12,000

18,000

Current

Running Current

0.25

Fan

Motor Type

BLDC

Fan Type

Turbo Fan

Motor Output(W) x No. of Unit

43 x 1

Air Flow Rate

(H / M / L)

CMM

9.5 / 8.0 / 7.0

13.0 / 12.0 / 11.0

CFM

335 / 283 / 247

459 / 424 / 388

External Static Pressure

mmAq

Capacitor

μF / Vac

Drive

Direct Drive

Coil

Row x Column x FPI

2R x 8C x 18

2R x 10C x 18

Dimensions

(W x H x D)

Body

mm(inch)

0 × 214 × 570 (22-7/16 x 8-7/16 x 22-7/16)

570 × 256 × 570 (22-7/16 x 10-3/32 x 22-7/16)

Decorative Panel

mm(inch)

700 x 22 x 700 (27-9/16 x 7/8 x 27-9/16)

Net Weight

Body

kg (lbs)

14.0 (30.9)

15.0 (33.1)

Decorative Panel

kg (lbs)

3.0 (6.6)

Sound Level (H / M / L) dB(A)+3

38/ 35/ 32

38/ 37/ 34

Piping

Connections

Liquid

mm (inch)

6.35 (1/4)

Gas

mm (inch)

9.52 (3/8)

12.7 (1/2)

Drain(OD/ID)

mm(inch)

32.0(1-1/4) / 25.0(1)

Safety Devices

Fuse, thermal protector for fan motor

Refrigerant

R410A

Refrigerant Control

EEV(in Outdoor unit)

Transmission Interunit Cable

No. x AWG

4C x 18

Note:

Capacities are based on the following conditions:

Cooling: - Indoor Temperature 26.7˚C(80˚F) DB/19.4˚C(67˚F)

- Outdoor Temperature 35˚C(95˚F) DB/23.9˚C(75˚F)

Heating: - Indoor Temperature 21.1˚C(70˚F) DB/15.6˚C(60˚F) WB

- Outdoor Temperature 8.3˚C(47˚F) DB/6.1˚C(43˚F) WB

Piping Length - Interconnecting Piping Length 7.5m(24.6 ft.)

- Level Difference of Zero

Wiring cable size must comply with the applicable local and national code.

The specification may be subject to change without prior notice for purpose of improvement.

For more Capacity(*),refer to the combination table

Conversion Formula

kW=Btu/h classX0.0002931

cfm = CMM x 35.3

- 2 -

2. Piping Diagrams

Heating

eat eH cH anger

Gas pipe connection port

(H alre connection)

Cooling Th3

TurHoHan

Th1

Th2

H iH

uid pipe connection port

al re connection)

LOC.

Description

PCB Connector

Th1

Thermistor for sunction air temperature

CN_ROOM

Th2

Thermistor for evaporator inlet temperature

CN_PIPE/IN

Th3

Thermistor for evaporator outlet temperature

CN_PIPE/OUT

- 3 -

3. Wiring Diagrams

CN-D/PUMP CN-MOTOR1

CN-PTC

CN-FLOAT

CN-OPTION

CN-DISPLAY

CN-ROOM

CN-PIPE/IN

CN-PIPE/OUT

CN-POWER CN-VANE2

CN-VANE1

CN-AIRC

CN-REMO

CN-CC

- 4 -

4. Exploded View

• MC12Y3JM

- 5 -

•MC12Y3JM

Loc No.

Description

Friedrich Part #

W50011

Accessory Assembly,Final(Indoor)

67600000

130411

Base Assembly,Indoor

67600502

349600

Bracket,Motor

67600713

W48300B

Bush

67606800

131410

Cabinet Assembly

67600807

130911A

Cabinet Assembly,Indoor

67600815

130911B

Cabinet Assembly,Indoor

67600817

W3110

Case

67600902

249951

Case Assembly,Control(Indoor)

67600905

W6640

Connector,Terminal Block

67601410

135511

Cover Assembly,Control(Indoor)

67601600

354210

Evaporator Assembly,First

67602003

359012

Fan,Turbo

67602119

249310

Holder Assembly

67602701

352150

Hose Assembly,Drain

67602805

140570

Locker Assembly

67603100

346810

Motor,DC

67603333

349480

Orifice

67603606

330871A

Pan Assembly,Drain

67603707

330871B

Pan Assembly,Drain

67603708

268711C

PCB Assembly,Main

67603907

268711E

PCB Assembly,Sub

67603926

158591

Pump Assembly,Water

67604102

158580

Pump,Water

67604103

267110

Remote Controller Assembly

67604301

148000

Supporter

67604605

W49810

Supporter Assembly

67604610

266010

Switch Assembly

67604700

263230C

Thermistor Assembly,NTC

67604802

263230C

Thermistor Assembly,NTC

67604806

263230B

Thermistor Assembly,NTC

67604807

263230A

Thermistor Assembly,NTC

67604809

263230A

Thermistor,NTC

67604824

263230B

Thermistor,NTC

67604826

352115

Tube Assembly,Evaporator(In)

67605802

352116

Tube Assembly,Evaporator(Out)

67605804

- 6 -

• MC18Y3JM

130411

158591

131410

148000

158580 130911B

354210

130911A

263230C

Eva-out sensor

352116

(18 k Btu/h class only)

W51620

352115

263230B

Eva-in sensor

249310

352150

346810

349600

W49810

267110

W48300B

W50011

359012

140570

249951

330871A

330871B

349480

266010

W6640

135511

268711C

W3110

268711E

Air-Inlet sensor

263230A

- 7 -

• MC18Y3JM

Loc No. Description

Friedrich

Part #

W50011

Accessory Assembly,Final(Indoor)

67600000

130411

Base Assembly,Indoor

67600502

349600

Bracket,Motor

67600713

W48300B

Bush

67606800

131410

Cabinet Assembly

67600806

130911A

Cabinet Assembly,Indoor

67600814

130911B

Cabinet Assembly,Indoor

67600816

W3110

Case

67600902

249951

Case Assembly,Control(Indoor)

67600906

W6640

Connector,Terminal Block

67601410

135511

Cover Assembly,Control(Indoor)

67601600

354210

Evaporator Assembly,First

67602002

359012

Fan,Turbo

67602118

249310

Holder Assembly

67602701

352150

Hose Assembly,Drain

67602805

140570

Locker Assembly

67603101

346810

Motor Assembly,DC,Indoor

67603307

349480

Orifice

67603605

330871A

Pan Assembly,Drain

67603706

330871B

Pan Assembly,Drain

67603708

268711C

PCB Assembly,Main

67603907

268711E

PCB Assembly,Sub

67603925

158591

Pump Assembly,Water

67604102

158580

Pump,Water

67604103

267110

Remote Controller Assembly

67604301

W51620

Socket,Flare

67604400

148000

Supporter

67604600

W49810

Supporter Assembly

67604609

266010

Switch Assembly

67604700

263230C

Thermistor Assembly,NTC

67604802

263230C

Thermistor Assembly,NTC

67604806

263230B

Thermistor Assembly,NTC

67604807

263230A

Thermistor Assembly,NTC

67604809

263230A

Thermistor,NTC

67604824

263230B

Thermistor,NTC

67604826

352115

Tube Assembly,Evaporator(In)

67605801

352116

Tube Assembly,Evaporator(Out)

67605803

- 8 -

Front Panel (Accessory)

• DCG1218

135303

749740A

135800

749740B

135316

159830

146811

145200

268711

135500

147581

266001

23720

- 9 -

FriedrichAirConditioningCo. I10001ReunionPlace,Suite500 ISanAntonio,TX78216 I877.599.5665

www.friedrich.com

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