Samsung ASA24C5 User manual

SERVICE Manual

CONTENTSAIR CONDITIONER

1. Precautions

2. Product Specifications

3. Operating Instructions and

Installation

4. Disassembly and Reassembly

5. Troubleshooting

6. Exploded Views and Parts List

7. Block Diagrams

8. PCB Diagrams

9. Wiring Diagrams

10. Schematic Diagrams

ROOM AIR CONDITIONER

INDOOR

ASA24C5(6)ME

SC24AC5(6)

ASA18C9(0)ME

SC18AC9(0)

OUTDOOR

USA24C5(6)ME

SC24AC5(6)X

USA18C9(0)ME

SC18AC9(0)X

DB98-05464A(1)-cover 4/18/02 8:00 PM Page 3

1-1Samsung Electronics

1. Warning: Prior to repair, disconnect the

power cord from the circuit breaker.

2. Use proper parts: Use only exact replace-

ment parts. (Also, we recommend replacing

parts rather than repairing them.)

3. Use the proper tools: Use the proper tools

and test equipment, and know how to use

them. Using defective tools or test equip-

ment may cause problems later-intermittent

contact, for example.

4. Power Cord: Prior to repair, check the

power cord and replace it if necessary.

5. Avoid using an extension cord, and avoid

tapping into a power cord. This practice

may result in malfunction or fire.

6. After completing repairs and reassembly,

check the insulation resistance.

Procedure: Prior to applying power, mea-

sure the resistance between the power cord

and the ground terminal. The resistance

must be greater than 30 megohms.

7. Make sure that the grounds are adequate.

8. Make sure that the installation conditions

are satisfactory.

Relocate the unit if necessary.

9. Keep children away from the unit while it is

being repaired.

10. Be sure to clean the unit and its surround-

ing area.

1. Precautions

Fig. 1-1 Avoid Dangerous Contact

Fig. 1-2 No Tapping and No Extension Cords

Fig. 1-3 No Kids Nearby!

O.K

Fig. 1-4 Clean the Unit

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Samsung Electronics1-2

DB98-05464A(1)-1 4/18/02 8:01 PM Page 1-2

2-1Samsung Electronics

2. Product Specifications

2-1 Table

Model

Item

Power Sourse

Capacity KW

Air circulation (High) m3/min

Moisture removal (High) Liters/h

Available voltage range V

Running amperes A

Power input kw

Power factor %

Energy efficiency ratio BTU/wh

Compressor locked rotor amperes A

Controls/Temperature control

Control unit

Timer

Fan speed Indoor/Outdoor

Air flow direction (indoor) Horizontal

Vertical

Comperssor

Refrigerant/Amount charged at rating g

Refrigerant control

(Sound pressure) Indoor Hi/Mi/Lo dB-A

Outdoor-Hi dB-A

Refrigerant tubing connections

Max. allowable tubing length at shippint m

Refrigerant tube diameter Narrow tube (in.)

Wide tube (in.)

Refrigerant tube kit/Accessories

Unit dimensions Height mm

Width mm

Depth mm

Package dimensions Height mm

Width mm

Depth mm

Weight Net kg

Shipping kg

ASA24C5(6)ME / SC24AC5(6)

Cooling only

220-240V, 50Hz

6.90(23,500)

14.0

3.2

198 ~ 264

11.6

2.50

95.0

9.4

Microprocessor / I.C Thermistor

Wireless remote control

Q-Timer / 24-Hour ON or OFF

3 Steps and Turbo / 2 Step

Manual

Auto

Rotary (Toshiba)

R410A / 1,550g

Capillary tube

49 / 47 / 45

Flare type

6.35(1/4")

15.88(5/8")

Optional / Hanger-plate

ASA18C9(0)ME / SC18AC9(0)

Cooling only

220-240V, 50Hz

5.30(18,000)

13.0

2.2

198 ~ 264

7.9

1.83

95.0

9.8

Microprocessor / I.C Thermistor

Wireless remote control

Q-Timer / 24-Hour ON or OFF

3 Steps and Turbo / 1 Step

Manual

Auto

Rotary (Toshiba)

R410A / 1,300g

Capillary tube

46 / 44 / 42

Flare type

6.35(1/4")

12.7(1/2")

Optional / Hanger-plate

Perfor-

mance

Electrical

Rating

Features

Dimensions

Weight

Indoor unit Outdoor Indoor unit Outdoor

275

1080

204

372

1153

272

638

880

310

719

1023

413

275

1080

204

372

1153

272

620

787

320

692

909

444

52.5

56.0

Remarks : Rating Conditions are :

Indoor air temperature : 27.0˚C DB/19.0˚C WB

Outdoor air temperature : 35.0˚C DB/24.0˚C WB

DB98-05464A(1)-1 4/18/02 8:01 PM Page 2-1

Samsung Electronics2-2

2-2 Major Component specifications

■Indoor unit

Model

Part No.

Controls

Control circuit fuse

Type

Dia. and length mm

Fan motor model

Pols,rpm(at 240V)

Normal out W

Coil resistance(Ambient temp.20˚C) Ω

Safety devices Type

Operating temp. Open ˚C

Run capacitor µF x VAC

Type

Model

Rating

Coil resistance (Ambient temp. 25˚C) Ω

Coil

Rows x Steps

Fin pitch mm

Face area m2

ASA24C5(6)ME / SC24AC5(6)

PD-SH30ZC-01

Microprocessor

250V, 3.15A

Cross-Flow

ø95/L = 842

IC-9430SKJ5A

4P, 1350 RPM

40W

MAIN : 160Ω

SUB : 227Ω

17AM034A5

135 ± 5°C

2.0µF X 450VAC

MSFCC20A03

DC 12V

530Ω

AL-FIN/Copper tube

2 x 15

1.2

0.265

ASA18C9(0)ME / SC18AC9(0)

PE-S1452R-00

Microprocessor

250V, 3.15A

Cross-Flow

ø95/L = 842

IC-9430SKJ5A

4P, 1350 RPM

40W

MAIN : 160Ω

SUB : 227Ω

17AM034A5

135 ± 5°C

2.0µF X 450VAC

MSFCC20A03

DC 12V

530Ω

AL-FIN/Copper tube

2 x 15

1.5

0.265

PCB

Fan

Fan Motor

S-Motor

Heat

Exch.

■Outdoor unit

Model

Type

Compressor model

Normal output W

Comperssor oil kind

Comperssor oil cc

Oil Specific gravity

Coil resistance(Ambient temp.25˚C) Ω

Safety devices Type

Overloal relay

Operating temp. Open ˚C

Close ˚C

Operating amp(Ambient temp.)

Run capacitor µF x VAC

Type

Dia. and length mm

Fan motor model

Pols, rpm(at240V)

Normal output W

Coil resistance(Ambient temp.20˚C) Ω

Safety devices Type

Operating temp. Open ˚C

Close ˚C

Run capacitor µF x VAC

Coil

Rows x Steps

Fin pitch mm

Face area m2

USA24C5(6)ME / SC24C5(6)X

ROTARY

PA290X3F-4MS(E)

2570

RB68AF (P.O.E)

1400

Start winding : 2.20

Run winding : 1.07

UP2TF7225-141

Internal Line Break

165

73.0 AT 2-10 SECOND

45µF X 450VAC

Propeller

ø460

OSME-906SRC

6P, 850 RPM

70W

17AM034A5

135±5°C

4µF x 450VAC

AL-FIN / Copper tube

2 x 28

1.5

0.538

USA18C9(0)ME / SC18AC9(0)X

ROTARY

PA225X3F-4MSE

1950

RB68AF (P.O.E)

1200

Start winding : 2.68

Run winding : 1.35

UP3SE0391-T39

Internal Line Break

160

26.8A / 6~16 SECOND

45µF X 450VAC

Propeller

ø405

AMASS030AVEB

4P, 1050RPM

35W

17AM037A5

150±5°C

2.5µF x 450VAC

AL-FIN / Copper tube

2 x 28

1.5

0.500

Comp-

ressor

Fan

Fan Motor

Heat

Exch.

DB98-05464A(1)-1 4/18/02 8:01 PM Page 2-2

2-3Samsung Electronics

2-3 Dimensions

2-3-1 Indoor Unit

275

1080

(Remote control)

2245

115

✳The feature is subject to be varied as a model.

(Front view)

Installation plate

204

(Rear view)

DB98-05464A(1)-1 4/18/02 8:01 PM Page 2-3

Samsung Electronics2-4

Product Specifications

■18K BTU

(Front view) (Rear view)

320

620

582

787

340

2-3-2 Outdoor Unit

■24K BTU

(Front view) (Rear view)

310

638

660

880

DB98-05464A(1)-1 4/18/02 8:01 PM Page 2-4

2-5Samsung Electronics

2-4 Pressure Graph

■ 24K BTU

20 25 30 35

Outdoor drybulb temp [deg C]

Low Pressure [kg/cm2G]

30.6/22.5

27/19

21.5/14.6

20 25 30 35

Outdoor drybulb temp [deg C]

Low Pressure [kg/cm2G]

30.6/22.5

27/19

21.5/14.6

■ 18 BTU

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Samsung Electronics2-6

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3-1Samsung Electronics

3. Operating Instructions and Installation

3-1 Operating Instructions

3-1-1 The Feature of Key in remote controller

To select the 5 way function with the remote control, press the 5 way

button one or more times until the desired mode is selected.

Each time you press the 5 way button

Each 5 way indicator on the indoor unit comes on in or der.

Each time you press this button,

FAN SPEED is changed in the following order.

Adjust air flow vertically.

Press until the appearance. the sleep timer can be used when

you are cooling your room to switch the air conditioner off

automatically after a perriod of six hours.

The ON Timer enables you to switch on the air conditioner automatically

after a given period of time that is from 30 minutes to 24 hours.

To cancel the On Time, press the (Set/Cancel) button.

The Off Timer enables you to switch off the air conditioner automatically

after a given period of time that is from 30 minutes to 24 hours.

To cancel the On Time, press the (Set/Cancel) button.

Each time you press this button

Mode is changed in the following order

Temp. down button. To decrease the temperature by the pressing

the temperature button

Temp. up button. To increase the temperatute by the pressing

the temperature button

FUNCTION OF KEY

: Auto Mode : Fan Only

: Cool Mode : Dry Mode

(DOWN)

Power On/Off button to start and stop airconditioner or timer set up

Press until the appearance. the air condition cools or heats

the room as quickly as possible. after 30minutes, the air,

the airconditioner is reset automatically to the previous mode

NAMED OF KEY

(UP)

DB98-05464A(1)-1 4/18/02 8:01 PM Page 3-1

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