Samsung CH094EAM User manual

CASSETTE TYPE AIR CONDITIONER

INDOOR UNIT

CH094EAM

OUTDOOR UNIT

UH094EAMC

SERVICE Manual

CONTENTSAIR CONDITIONER

1. Product Specifications

2. Disassembly and Reassembly

3. Refrigerating Cycle Diagram

4. Set Up the Model Option

5. Control Specification &

5. Troubleshooting

6. Exploded Views and Parts List

7. Block Diagram

8. Wiring Diagram

9. Schematic Diagram

DB98_22253A(1)_CO 05/2/21 11:39 PM Page 2

1Samsung Electronics

1. Product Specifications

1-1 Table

Cooling BTU/h

Heating BTU/h

ø/V/Hz

Cooling W

Heating W

Cooling A

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

Fan Type

Motor Output W

Hmm

Dimensions W mm

Dmm

Weight Net / Gross kg

Fan Speed Hi r.p.m

Low r.p.m

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

MODEL INDOOR UNIT

OUTDOOR UNIT

32,000

9,400

34,800

10,200

1/220~240/50

3,350

3,270

15.3

15.0

600

550

500

450

Slit

2 x 8 x 1.4mm

Turbo

230

840

27 / 32

930

360

Propeller

122

Rotary

NN40VAAMT

2.7

Internal

Capacity

Power Input

Running

Current

Indoor Unit

Outdoor Unit

CH094EAM

UH094EAMC

Power Supply

Row x Stages x Fin pitch

Air Flow(Hi)

DB98_22253A(1)_1 05/2/21 11:13 PM Page 1

Samsung Electronics2

Table(cont.)

Refrigerant Charge g

Adding Charge g / m

Heat Exchanger

H mm

Dimensions W mm

Dmm

Weight Net / Gross kg

Pipe O.D Size Liquid mm(inch)

Gas mm(inch)

Connection Method

Between Height m

Pipe Length m

MODEL INDOOR UNIT

OUTDOOR UNIT

R410A

1,750

Elec.Expansion Valve

Louver

2 x 36 x 1.5

798

880

310

74 / 82

9.52(3/8")

15.88(5/8")

Flare

Max.15

Max.30

Outdoor Unit

Piping

CH094EAM

UH094EAMC

Row x Stages x Fin pitch

Type

Control

DB98_22253A(1)_1 05/2/21 11:13 PM Page 2

3Samsung Electronics

1-2-1 Indoor Unit

(Unit : mm)

1-2 Dimensions

No.

Name

Liquid pipe connection

Gas pipe connection

Drain pipe connection

Power supply connection

Air discharge grille

Air suction grille

ø9.52(3/8

ø15.88(5/8

CH094EAM

Model

DB98_22253A(1)_1 05/2/21 11:13 PM Page 3

Samsung Electronics4

Product Specifications

1-2-2 Outdoor Unit

(Unit : mm)

880

310

798

DB98_22253A(1)_1 05/2/21 11:13 PM Page 4

5Samsung Electronics

1-3 Pressure Graph

-15 -10 -5 0 5 10 15 20 25 30

15.0

17.0

19.0

21.0

23.0

25.0

31.0

29.0

27.0

33.0

35.0

37.0

High Pressure (kgf/cm2G)

Heating Mode

5.515 20 25 30 35 40 45

6.0

6.5

7.0

7.5

8.0

8.5

9.0

9.5

10.0

Low Pressure (kgf/cm2G)

Cooling Mode

■CH094EAM / UH094EAMC

DB98_22253A(1)_1 05/2/21 11:14 PM Page 5

Samsung Electronics6

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.

2. Disassembly and Reassembly

2-1 Indoor Unit

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

DB98_22253A(1)_1 05/2/21 11:14 PM Page 6

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

DB98_22253A(1)_1 05/2/21 11:14 PM Page 7

Samsung Electronics8

No Parts Procedure Remark

Electronic Part

- Indoor & Outdoor

Connecting Cable

Fan

Motor

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.

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.

Disassembly and Reassembly

DB98_22253A(1)_1 05/2/21 11:14 PM Page 8

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.

DB98_22253A(1)_1 05/2/21 11:14 PM Page 9

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