Samsung CH052, CH070 Service Manual

CASSETTETYPEAIR CONDITIONER

INDOOR UNIT

CH052EAM CH070EAM

SERVICE

OUTDOOR UNIT

UH052EAMT UH070EAMT

Manual

CONTENTSAIR CONDITIONER

1. Product Specifications

2. Disassembly and Reassembly

3. Refrigerating Cycle Diagram

4. Set Up the Model Option

Control Specification & Troubleshooting

5.

6. Exploded Views and Parts List

7. Block Diagram

8. Wiring Diagram

9. Schematic Diagram

1. Product Specifications

1-1 Table

MODEL

Capacity

Power Input

Running

Current

Indoor Unit

Outdoor Unit

INDOOR UNIT

OUTDOOR UNIT

Cooling

Heating

Power Supply

Cooling W Heating W Cooling A Heating A

H.H r.p.m

Fan Speed

Air Flow

Noise Level(Hi)

(Sound Pressure)

Heat Exchanger

Fan

Dimensions W mm

Weight Net / Gross kg

Fan Speed

Air Flow(Hi)

Noise Level

(Sound Pressure)

Fan

Compressor

Hi r.p.m Mid r.p.m Low r.p.m H.H m

Hi m Mid m3/min Low m

Cooling(Hi) dB(A) Heating(Hi) dB(A)

Type

Row x Stages x Fin pitch

Type

Motor Output W

Hmm

Dmm

Hi r.p.m Low r.p.m

Cooling(Hi) dB(A) Heating(Hi) dB(A)

Type

Motor Output W

Type

Model

Motor Output kW

Protection

BTU/h

W

BTU/h

W

ø/V/Hz

3

/min

3

/min

3

/min

3

m

/min

CH052EAM

UH052EAMT

18,700 23,800

5,500 7,000

20,400 26,100

6,000 7,700

1/220 ~ 240/50 1/220 ~ 240/50

1,700 2,400 1,800 2,400

7.5 10.6

7.9 10.6

-340 430 300 330 260 230

--

14 17 12 14 11 11 32 37 32 37

Slit Slit

2 x 8 x 1.4mm 2 x 8 x 1.4mm

Turbo Turbo

9.8 20 230 230 840 840 840 840

26 / 31 26 / 31

750 850 400 340

45 51 60 60 61 61

Propeller Propeller

60 73

Rotary Rotary

NN21VBAMT NN29VACMT

1.3 1.9

Internal Internal

CH070EAM

UH070EAMT

1Samsung Electronics

Table(cont.)

MODEL

Outdoor Unit

Piping

INDOOR UNIT

OUTDOOR UNIT

Type

Refrigerant

Heat Exchanger

Dimensions W mm

Weight Net / Gross kg

Pipe O.D Size

Connection Method

Between

Charge g

Adding Charge g / m

Control

Type

Row x Stages x Fin pitch

H mm

Dmm

Liquid mm(inch)

Gas mm(inch)

Height m

Pipe Length m

CH052EAM

UH052EAMT

R410A R410A

1,550 1,650

30 35

Elec.Expansion Valve Elec.Expansion Valve

Slit Slit

2 x 28 x 1.5 2 x 28 x 1.5

648 648 880 880 310 310

67 / 72 69 / 74

6.35(1/4") 6.35(1/4")

12.7(1/2") 15.88(5/8") Flare Flare

Max.15 Max.15 Max.30 Max.30

CH070EAM

UH070EAMT

Samsung Electronics2

1-2 Dimensions

1-2-1 Indoor Unit

(Unit : mm)

No.

1 2 3 4 5 6

Name

Liquid pipe connection Gas pipe connection Drain pipe connection Power supply connection Air discharge grille Air suction grille

Model

CH052EAM CH070EAM

ø6.35(1/4 ø12.7(1/2

") ")

ø6.35(1/4 ø15.88(5/8

")

3Samsung Electronics

Product Specifications

1-2-2 Outdoor Unit

(Unit : mm)

648

880

310

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1-3 Pressure Graph

8.78

21.1

22.97

33.13

22.81

21.1

8.78

21.4

8.78

■ CH052EAM/UH052EAMT

8.78

21.1

21.4

21.1

33.13

22.97

1

22.81

1

5Samsung Electronics

Product Specifications

■ CH070EAM/UH070EAMT

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2. Disassembly and Reassembly

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

2-1 Indoor Unit

No Parts Procedure Remark

1 Front Grille

- Dust-Collecting Filter

1) Push the tap on the Front Grille to open it.

2) Disassembly of Front Grille. (1) Open the Front Grille at about 45˚

degrees and draw it forward.

(2) Disassemble the safety clip.

3) Filter Disassembly (1) Draw the dust-collecting Filter forward.

(2) Disassemble the Filter.

7Samsung Electronics

Disassembly and Reassembly

No Parts Procedure Remark

4) Loosen the 4 bolts slowly.

5) Loosen the bolt of the front net to disassemble the safety net.

6) Loosen the 4 bolts in the mark to uncover the Component Electric Box cover.

7) Disassemble the 3 cables between the indoor unit and the Panel.

- Stepping Motor Connector

- Receiving & Display Unit Connector

Option

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Disassembly and Reassembly

No Parts Procedure Remark

8) Hold on the two hooks on both sides of the indoor unit and disassemble the Front Panel.

9) Take away the disassembled Panel out of the main body.

2

3

Electronic Part

- Indoor & Outdoor Connecting Cable

Fan

&

Motor

1) Disconnect all the indoor and outdoor cables connected to the Terminal Board.

1) Disassemble the Fan Motor wire connector, thermistor wire connector, and Drain Pump wire connector.

2) Disassemble the wire connector in the Capacitor.

9Samsung Electronics

Disassembly and Reassembly

No Parts Procedure Remark

3) Disassemble the ground wire.

4) Disassemble the Float Switch wire connected to the Terminal Port.(F1, F2)

5) Loosen the 8 bolts in the mark .

6) Loosen a bolt in the arrow direction and inside.

7) Disassemble the Drain Cushion from the main body.

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Disassembly and Reassembly

No Parts Procedure Remark

8) Loosen the nut.

9) Lift the fan to disassemble from the Motor.

Take out the washer

10) Disassemble the Motor connector wire.

11) Disassemble the ground wire.

11Samsung Electronics

Disassembly and Reassembly

No Parts Procedure Remark

12) Loosen 3 nuts to disassemble the Motor.

4

Pump

1) Loosen the 4 bolts of the Drain Pump.

2) Disassemble the Hose from the Drain Pump.

3) Disassemble the Pump from the main body Bracket.

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Disassembly and Reassembly

No Parts Procedure Remark

5

Heat Exchanger

1) Disassemble the cover pipe beside the main body.

2) Loosen the 2 bolts fixing the Heat Exchanger to the indoor unit Base.

3) Disassemble the 4 fixing Brackets of the Heat Exchanger to disassemble it from the main body.

13Samsung Electronics

Disassembly and Reassembly

No Parts Procedure Remark

6

Front Panel

- Cover Front

❈

Do "1", above. Push 3 Cover Front fixing screws inside the Front Panel and snap fixing part to detach the Cover Front.

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