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

MEMO
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
59
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
61
Flare type
20
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
52
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
58
Flare type
15
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
13
16
638
880
310
719
1023
413
60
64
275
1080
204
372
1153
272
13
16
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
95
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
90
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
10
9
8
7
6
20 25 30 35
Outdoor drybulb temp [deg C]
Low Pressure [kg/cm2G]
40
30.6/22.5
27/19
21.5/14.6
10
9
8
7
6
20 25 30 35
Outdoor drybulb temp [deg C]
Low Pressure [kg/cm2G]
40
30.6/22.5
27/19
21.5/14.6
■ 18 BTU
DB98-05464A(1)-1 4/18/02 8:01 PM Page 2-5

MEMO
Samsung Electronics2-6
DB98-05464A(1)-1 4/18/02 8:01 PM Page 2-6

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)
NO
1
2
3
4
5
6
7
8
9
DB98-05464A(1)-1 4/18/02 8:01 PM Page 3-1