Friedrich MD12Y3JM Manuale utente

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: MD12Y3JM

960-920-06

1. Specification

Indoor unit type

Ceiling Concealed Duct - Low Static

Model

MD12Y3JM

Power Supply

Ø / V / Hz

1/ 208~230/ 60

Capacity(*)

Btu/h class

12,000

Current

Running Current

0.25

Fan

Motor Type

BLDC

Fan Type

Sirocco Fan

Motor Output(W) x No. of Unit

5 x 1, 19 x 1

Air Flow Rate

(H / M / L)

CMM

9.5 / 8.5 / 7.5

CFM

335 / 300 / 265

External Static Pressure

mmAq

Capacitor

μF / Vac

Drive

Direct Drive

Coil

Row x Column x FPI

2R x 12C x 21

Dimensions

(W x H x D)

Body

mm(inch)

820 x 190 x 575(32 9/32x7 1/2x 22 21/32)

Decorative Panel

mm(inch)

Net Weight

Body

kg (lbs)

20.5(45.2)

Decorative Panel

kg (lbs)

Air Filter

Long life filter

Sound Level (H / M / L)

dB(A)+3

33/ 31/26

Piping

Connections

Liquid

mm (inch)

6.35 (1/4)

Gas

mm (inch)

9.52 (3/8)

Drain(OD/ID)

mm(inch)

32/25(1.26/0.984)

Dehumidification Rate

l/h

1.2

Safety Devices

Fuse, thermal protector for fan motor

Temperature Sensor

Thermistor

Refrigerant

R410A

Refrigerant Control

EEV(in Outdoor unit)

Transmission Interunit Cable

No. x AWG

4 x 18 (Including Earth)

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/hclassX0.0002931

cfm = CMM x 35.3

- 2 -

2. Function Table

Category

Function

MD12Y3JM

Air flow

Air supply outlet

Airflow direction control(left & right)

Airflow direction control(up & down)

Auto swing(left & right)

Auto swing(up & down)

Airflow steps(fan / cool / heat)

03.3.3

Chaos swing

Chaos wind(auto wind)

Jet cool(Power wind)

Swirl wind

Air purifying

Deodorizing filter

Plasma air purifier

Prefilter(washable / anti-fungus)

Installation

Drain pump

E.S.P. control

Electric heater(operation)

High ceiling operation

Reliability

Hot start

Self-diagnosis

Soft dry operation

Convenience

Auto changeover

Auto cleaning

Auto operation(artificial intelligence)

Auto restart operation

Child lock

Energy-Saving Cooling Mode

Forced operation

Group control

Sleep mode

Timer(on/off)

Timer(weekly)

Two thermistor control

Individual

control

Wide wired remote controller

DWC1

Deluxe wired remote controller

Simple wired remote controller

Simple wired remote controller(for hotel use)

Wireless remote controller(simple)

Wireless LCD remote control

Wireless LCD remote control(Ez)

CAC network

function

General central controller (Non LGAP)

Dry contact

Central control(LGAP)

PDI(power distribution indicator)

PI 485

Special

function kit

CTIE

Zone control

Others

Thermistor

Note :

O : Applied, X : Not applied, - : No relation

* Option : Model name & price are different according to options, and assembled in factory with main unit.

* Accessory : Installed at field, ordered and purchased separately by the corresponding model name, supplied with separate package.

- 3 -

3. Piping Diagrams

Heating

eat Exchanger

Gaspipe connection port

Flare connection

Cooling

-- 3

-- 1

Sirocco Fan

-- 2

Liquid pipe connection port

Flare connection

LOC.

Description

PCB Connector

Th1

Thermistor for suction air temperature

CN_ROOM

Th2

Thermistor for evaporator inlet temperature

CN_PIPE

Th3

Thermistor for evaporator outlet temperature

CN_PIPEOUT

- 4 -

4. Wiring Diagrams

CN_REMO CN_PIPE/IN CN_POWER

CN_PIPE/OUT

CN_ROOM

CN_D/PUMP

CN_CC

CN_DISPLAY

CN_OPTION

CN_FLOAT CN_MOTOR1

CN_MOTOR2

- 5 -

5. Exploded View

- 6 -

Model: MD12Y3JM

Loc No. Description

Friedrich

Part #

W4811

Bracket Assembly

67600702

130911

Cabinet Assembly,Indoor

67600808

249951

Case Assembly,Control(Indoor)

67600903

W6640

Connector,Terminal Block

67601407

354210

Evaporator Assembly,First

67602009

359012A

Fan Assembly,Blower

67602103

359012B

Fan Assembly,Blower

67602104

159830

Filter Assembly,Air Cleaner

67602200

W0FZZ

Fuse Assembly

67602302

352150

Hose Assembly,Drain

67602801

336600B

Housing,Wrapper

67602903

336600A

Housing,Wrapper

67602904

346810A

Motor Assembly,DC,Indoor

67603305

346810B

Motor Assembly,DC,Indoor

67603310

346810B

Motor,DC

67603331

346810A

Motor,DC

67603332

330871

Pan Assembly,Drain

67603702

137211

Panel Assembly,Front(Indoor)

67603800

437213

Panel Assembly,Rear(Indoor)

67603815

268711C

PCB Assembly,Main

67603908

268711E

PCB Assembly,Option

67603917

158591

Pump Assembly,Water

67604100

267110

Remote Controller Assembly

67604300

263230C

Thermistor Assembly,NTC

67604822

263230B

Thermistor Assembly,NTC

67604805

263230A

Thermistor Assembly,NTC

67604809

263230A

Thermistor,NTC

67604825

263230B

Thermistor,NTC

67604827

352118B

Tube Assembly,Menifold(Indoor)

67606004

352118A

Tube Assembly,Menifold(Indoor)

67606005

- 7 -

FriedrichAirConditioningCo. I10001ReunionPlace,Suite500 ISanAntonio,TX78216 I877.599.5665

www.friedrich.com

- 8 -

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