Samsung FH052EAMT User manual

INDOOR UNIT

FH052EAMT

FH070EAMT

OUTDOOR UNIT

UH052EAMT

UH070EAMT

SERVICE Manual

CONTENTSAIR CONDITIONER

1. Product Specifications

2. Disassembly and Reassembly

3. Refrigerating Cycle Diagram

4. Set Up the Model Option

5. Control Specification & Troubleshooting

6. Exploded Views and Parts List

7. PCB Diagram

8. Wiring Diagram

9. Schematic Diagram

CEILING TYPE AIR CONDITIONER

DB98_14413A(1)_co 10/9/03 5:43 PM Page 3

1Samsung Electronics

1. Product Specifications

1-1 Table

Cooling Btu/h

Capacity W

Heating Btu/h

Power Supply ø/V/Hz

Power Input Cooling W

Heating W

Running Cooling A

Current Heating A

H.H r.p.m

Fan Speed Hi r.p.m

Mid r.p.m

Low r.p.m

H.H m3/min

Air Flow Hi m3/min

Mid m3/min

Low m3/min

Noise Level(Hi) Cooling(Hi) dB(A)

(Sound Pressure) Heating(Hi) dB(A)

Heat Exchanger Type

Row x Stages x Fin Pitch

Fan Type

Motor Output W

Hmm

Dimensions W mm

Dmm

Weight Net / Gross kg

Fan Speed Hi r.p.m

Low r.p.m

Air Flow(Hi) m3/min

Noise Level Cooling(Hi) dB(A)

(Sound Pressure) Heating(Hi) dB(A)

Fan Type

Motor Output W

Type

Compressor Model

Motor Output kW

Protection

18,700

5,500

20,400

6,000

1/220 ~ 240/50

1,800

1,850

8.0

8.2

1,020

920

820

Slit

3 x 12 x 1.5mm

Sirocco

200

1,000

650

22 / 26

750

400

Propeller

Rotary

NN21VBAMT

1.3

Internal

FH070EAMT

UH070EAMT

FH052EAMT

UH052EAMT

MODEL INDOOR UNIT

OUTDOOR UNIT

23,800

7,000

26,100

7,700

1/220 ~ 240/50

2,400

2,600

11.0

11.9

1,160

1,060

960

Slit

3 x 12 x 1.5mm

Sirocco

200

1,000

650

22 / 26

850

340

Propeller

Rotary

NN29VACMT

1.9

Internal

Indoor

Unit

Outdoor

Unit

DB98_14413A(1)_1** 10/9/03 5:40 PM Page 1

Samsung Electronics2

Table(cont.)

Type

Refrigerant Charge g

Adding Charge g/m

Control

Heat Exchanger Type

Row x Stages x Fin Pitch

Dimensions H mm

Wmm

Dmm

Weight Net / Gross kg

Pipe O.D Size Liquid mm(inch)

Gas mm(inch)

Connection Method

Between Height m

Pipe Length m

R410a

1,550

Elec.Expansion Valve

Slit

2 x 28 x 1.5mm

648

880

310

67 / 72

6.35(1/4")

12.7(1/2")

Flare

FH070EAMT

UH070EAMT

FH052EAMT

UH052EAMT

MODEL INDOOR UNIT

OUTDOOR UNIT

R410a

1,650

Elec.Expansion Valve

Slit

2 x 28 x 1.5mm

648

880

310

69 / 74

6.35(1/4")

15.88(5/8")

Flare

Outdoor

Unit

Piping

DB98_14413A(1)_1** 10/9/03 5:40 PM Page 2

3Samsung Electronics

(Unit : mm)

1-2 Dimensions

1-2-1 Indoor Unit

Air flow blade(up/down)

Air flow blade(right/left)

Air filter

Front grille

Remote control

sensor

Defrosting indicator

Filter sign indicator

Fan indicator

Auto indicator

Timer indicator

Operation indicator

On/Off button

240

200

650

197

922

1,000

Back side

Pipe outlet (bottom side)

Drain hose outlet

Wiring hole

Air intake hole (Ø50)

DB98_14413A(1)_1** 10/9/03 5:40 PM Page 3

880

648

310

Product Specifications

Samsung Electronics4

1-2-2 Outdoor Unit

(Unit : mm)

DB98_14413A(1)_1** 10/9/03 5:40 PM Page 4

5Samsung Electronics

2. Disassembly and Reassembly

2-1 Indoor Unit

Stop operation of the air conditioner and remove the power cord before repairing the unit.

No Parts Procedure Remark

1 Electrical

Part 1) Open the grille by pressing 3 position.

(center and both side)

2) Detach the air inlet grille.

3) Open the cover of component electrical

box by removing 3 screws.

(center and both side)

DB98_14413A(1)_1** 10/9/03 5:40 PM Page 5

Samsung Electronics6

Disassembly and Reassembly

No Parts Procedure Remark

2 Fan & Motor 1) Detach the screw and untie earth

wire of motor.

2) Disconnect of housing of motor wire.

3) Disconnect the capacitor wire.

DB98_14413A(1)_1** 10/9/03 5:40 PM Page 6

7Samsung Electronics

Disassembly and Reassembly

No Parts Procedure Remark

4) Loosen the guard safety by removing

6 screws.

5) Detach the upper case of fan. (2EA)

6) Loosen the 4 screws what is fix the motor.

7) Detach the fan and motor assembly.

DB98_14413A(1)_1** 10/9/03 5:40 PM Page 7

Samsung Electronics8

Disassembly and Reassembly

No Parts Procedure Remark

3 Drain Pan

8) Loosen the set fixing bolts.

(with a M3 wrench)

9) Detach the fan.

1) Disconnect the display pcb wire as shown

in picture. (white housing)

2) Disconnect the step motor wire as shown

in picture. (blue housing)

3) Disassemble the hanger bracket by

removing the 1 screw.

DB98_14413A(1)_1** 10/9/03 5:40 PM Page 8

9Samsung Electronics

Disassembly and Reassembly

No Parts Procedure Remark

4) Loosen the 3 screws of front side.

5) Disassemble the assembly front

cover part.

6) Disconnect the step motor wire as

shown in picture.

7) Detach the wire clamp fixed in base part.

8) Detach the front cover assembly

completely.

DB98_14413A(1)_1** 10/9/03 5:40 PM Page 9

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