Friedrich MD24Y3J User manual

Single 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: MD24Y3J

960-920-12

1. Specification

Indoor

Model Name

MD24Y3J

Power Supply

, Hz

208/230, 1, 60

Power Input

W x No.

Running Current

1.0

Casing Color

Dimensions

Body

W x H x D

1,182 × 298 × 450

W x H x D

inch

46-17/32 x 11-23/32 x 17-23/32

Net Weight

Body

kg (lbs)

33.0 (72.8)

Heat Exchanger

(Row x Column x Fins per inch) x No.

(3 x 12 x 21) x 1

Face Area

(ft

)

0.26 (2.77)

Fan

Type

Sirocco Fan

Air Flow

Rate

High-static Mode

(Factory Set)

H / M / L

/min

19.5 / 17.5 / 15.0

H / M / L

/min

688 / 168 / 530

External Static

Pressure

Pa (mmAq)

100.0(10.2)

Fan Motor

Type

BLDC

Output

W x No.

154 x 1

Dehumidification Rate

/ h (pts/h)

3.3 (7.0)

Sound Pressure Level

H / M / L

dB(A)

38 / 36 / 35

Sound Power Level

Cooling

dB(A)

Piping

Connections

Liquid

mm(inch)

9.52 (3/8)

Gas

mm(inch)

15.88 (5/8)

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

32.0(1-1/4) / 25.0(31/32)

Safety Devices

Fuse

Power and Communication Cable (included Earth)

No. x mm

(AWG)

4C x 0.75 (18)

Note:

All data are based on the following conditions:

-Cooling Temperature : Indoor 26.7℃(80℉) DB / 19.4℃(67℉) WB

Outdoor 35℃(95℉) DB / 23.9℃(75℉) WB

-Heating Temperature : Indoor 21.1℃(70℉) DB / 15.6℃(60℉) WB

Outdoor 8.33℃(47℉) DB / 6.11℃(43℉) WB

-Piping Length : Interconnected Pipe Length = 7.5m

-Difference Limit of Elevation (Outdoor ~ Indoor Unit) is Zero.

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

Due to our policy of innovation some specifications may be changed without notification.

Sound Level Values are measured at Anechoic chamber.

Therefore, these values can be increased(maximum 3dB(A)) owing to ambient conditions during operation.

- 2 -

2. Piping Diagrams

Heating

Heat exchanger

Gas pipe connection port

(flare connection)

Cooling

Sirocco Fan

Thermistor for

evaporator outlet

temperature

Thermistor

for suction air

temperature

Thermistor for

evaporator inlet

temperature

Liquid pipe connection port

(flare connection)

Description

PCB Connector

Thermistor for suction air temperature

CN-ROOM

Thermistor for evaporator inlet temperature

CN-PIPE / IN

Thermistor for evaporator outlet temperature

CN-PIPE / OUT

Refrigerantpipeconnectionportdiameters

[Unit: mm(inch)]

Model Gas Liquid

ABNH24GGLA2 [MD24Y3J] Ø15.88(5/8) tØ9.52(3/8)

- 3 -

3. Wiring Diagrams

CN-MOTOR1

CN-ZONE

CN-FLOAT

CN-EXT

CN-DISPLAY

CN-CC

CN-POWER

CN-D/PUMP

CN-VM

CN-ROOM

CN-PIPE/IN

CN-REMO

CN-PIPE/OUT

- 4 -

4. Exploded View

349480

336600B

346810

348601

359012A

137213B

336600A

359012B

137214

349480

349600

147901

137213A

Eva-In

263230B

Eva-Out

263230C

W3001

W50011

354210

268711E 263230A

Air-Inlet

W6640

268711A

135500

267110

437213B

437213A

352114

352118

249951

152302

330871

TEM P

FAN

SPEED

OP ER

M OD

Location No.

Description

Sensor Information

Housing Color

263230A

Thermistor1(CN_ROOM)

Air-Inlet

Orange

263230B

Thermistor2(CN_PIPE/IN)

Eva-in

White

263230C

Thermistor3(CN_PIPE/OUT)

Eva-out

Red

- 5 -

Model: MD24Y3J

Loc No. Description Friedrich Part #

W50011 Accessory Assembly, Indoor 67600001

W3001 Angle Assembly 67600200

147901 Barrier, Indoor 67600400

349600 Bracket, Motor 67600714

249951 Case Assembly, Control(Indoor) 67600908

348601 Clamp, Motor 67607000

W6640 Connector, Terminal Block 67601408

135500 Cover 67601500

354210 Evaporator Assembly, First 67602008

359012A Fan Assembly, Blower 67602106

359012B Fan Assembly, Blower 67602101

152302 Filter, Air 67602204

336600A Housing Assembly 67602900

336600B Housing Assembly 67602905

346810 Motor Assembly, DC 67603304

349480 Orifice 67603600

330871 Pan Assembly, Drain 67603700

437213A Panel Assembly, Rear(Indoor) 67603813

437213B Panel Assembly, Rear(Indoor) 67603814

137213A Panel Assembly, Side 67603822

137213B Panel Assembly, Side 67603823

137214 Panel Assembly, Upper 67603833

268711A PCB Assembly, Main 67603910

268711E PCB Assembly, Option 67603919

267110 Remote Controller Assembly 67604306

263230A Thermistor Assembly, NTC 67604810

263230B Thermistor Assembly, NTC 67604820

263230C Thermistor Assembly, NTC 67604822

352114 Tube Assembly, Distributor 67605700

352118 Tube Assembly, Manifold (Indoor) 67606003

FriedrichAirConditioningCo. I10001ReunionPlace,Suite500 ISanAntonio,TX78216 I877.599.5665

www.friedrich.com

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