Samsung SH18AP0 User manual

INDOOR UNIT
SH18AP0
SH24AP6
OUTDOOR UNIT
SH18AP0X
SH24AP6X
SERVICE Manual
CONTENTSAIR CONDITIONER
1. Product Specifications
2. Operating Instructions
3. Disassembly and Reassembly
4. Refrigerating Cycle Diagram
5. Set Up the Model Option
6. Exploded Views and Parts List
7. PCB Diagram
8. Wiring Diagram
9. Schematic Diagram
ROOM AIR CONDITIONER
DB98_16341A(2)_co 04/2/9 4:27 PM Page 3

1Samsung Electronics
1. Product Specifications
1-1 Table
Model
Item
Power Source
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 W/W
Compressor Locked Rotor Amperes A
Controls / Temperature Control
Control Unit
Timer
Fan Speed (Indoor / Outdoor)
Airflow Direction (Indoor) Horizontal
Vertical
Compressor
Refrigerant / Amount Charged at Rating (R410A)
Refrigerant Control
Operation Sound Indoor Hi/Mi/Low dB-A
Outdoor-Hi dB-A
Refrigerant Tubing Connections
Max. Allowable Tubing Length m
Refrigerant Tube Diameter
Narrow Tube (in.)
Wide Tube (in.)
Refrigerant Tube Kit / Accessories
Height mm
Unit Dimensions Width mm
Depth mm
Height mm
Package Dimensions Width mm
Depth mm
Weight Net kg
Shipping kg
SH18AP0
Cool Heat
220-240V~,50Hz
5.1 5.8
13.0 13.5
2.5
198~264
8.3 8.1
1.81 1.80
94.8 96.6
2.81 3.22
40
Microprocessor / Thermistor
Wireless remote control
24-Hour ON / OFF
3 Steps and Turbo / 2 Step
Manual
Auto
Rotary(Samsung)
1,250g
Capillary tube
48 / 46 / 44
58
Flare type
15
6.35(1/4")
12.70(1/2")
Optional / Hanger-plate
Indoor unit Outdoor unit
315 620
1,080 787
205 320
286 692
1,151 909
397 444
13 45
16 50
Features
Dimensions
&
Weight
Electrical
Rating
Performance
SH24AP6
Cool Heat
220-240V~,50Hz
6.8 7.0
14.0 14.5
3.0
198~264
10.8 11.2
2.42 2.49
97.4 96.7
2.81 2.81
58
Microprocessor / Thermistor
Wireless remote control
24-Hour ON / OFF
3 Steps and Turbo / 2 Step
Manual
Auto
Rotary(Samsung)
1,550g
Capillary tube
48 / 46 / 44
61
Flare type
20
6.35(1/4")
15.88(5/8")
Optional / Hanger-plate
Indoor unit Outdoor unit
315 638
1,080 880
205 310
286 704
1,151 1,023
397 413
13 63
16 68
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Samsung Electronics2
1-2 Pressure Graph
■18K BTU
20
10
9
8
7
625 30 35 40 45
20
10
32.4/24.0
30.6/22.5
28.8/21.0
27.0/19.0
24.0/17.0
21.5/15.0
32.4/24.0
30.6/22.5
28.8/21.0
27.0/19.0
24.0/17.0
21.5/15.0
9
8
7
625 30 35 40 45
Outdoor inlet air D.B. temp(˚C)
Low pressure(kg/cm2G)
Indoor inlet air D.B. temp(˚C)
■24K BTU
Outdoor inlet air D.B. temp(˚C)
Low pressure(kg/cm2G)
Indoor inlet air D.B. temp(˚C)
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3Samsung Electronics
2. Operating Instructions
2-1 The Feature of Key in remote control
Fan speed adjustment button.
Each time you press this button, FAN SPEED is changed in the following order.
Temperature adjustment button(DOWN).
To decrease the temperature by the pressing the temperature button.
FUNCTION OF KEY
On/Off button.
Press the button to stop or run the air conditioner.
NAMED OF KEYNo
1
2
3
4
5
6
7
8
Swing button.
It adjusts the airflow to upward and downward.
Temperature adjustment button(UP).
To increase the temperature by the pressing the temperature button.
(On/Off)
(UP)
(DOWN)
Low Medium High
Automatic(rotated : )
Sleep button.
The sleep timer can be used when you are cooling or heating your room to switch the
air conditioner off automatically after a period of 6 hours.
Turbo button.
The air conditioner cools or heats the room as quickly as possible.
After 30minutes, the air conditioner is reset automatically to the previous mode.
Mode selection button.
Each time you press this button
Mode is changed in the following order : Auto Mode : Fan Only
: Cool Mode : Heat Mode
: Dry Mode
Energy saving button.
If you wish to save energy when using your air conditioner, select the Energy saving
mode with the button.
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Operating Instructions
Samsung Electronics4
Digital On/Off button.
If you want to turn off the display during operation press the button.
Off Timer 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 set the operating time, press the button one or more times until the required
time display.
FUNCTION OF KEY
Anion button.
Press the button to generate ion from the air conditioner.
NAMED OF KEYNo
9
10
11
12
13
On Timer button.
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 set the operating time, press the button one or more times until the required
time display.
Timer Set/Cancel button.
After setting On Timer or Off Timer, press the button to set it completely.
And press the button again to cancel On Timer or Off Timer set.
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5Samsung Electronics
Operating Instructions
1. AUTO MODE : In this mode, operation mode(COOL,
HEAT) is selected automatically by the room temperature
of initial operation.
∆T= -1°C, -2°C, 0°C, +1°C, +2°C
∆T is controlled by setting temperature up/down key of
remote control
2. COOL MODE : The unit operates according to the
difference between the setting and room temperature.
(18°C~30°C)
3. HEAT MODE : The unit operates according to the
difference between the setting and room tempera-
ture.(16°C~30°C)
*Prevention against cold wind : In order to prevent the
cool air from flowing out at the heat mode, the indoor fan
does not operate or operates very slowly in the
following cases. At this time, the indoor heat exchanger
will be preheating.
- For 3~5 minutes after the initial operation
- For deicing operation
- The operation of an indoor fan in accordance with
the temperature of an indoor heat exchanger
*High temperature release function : It is a function to
detect an outdoor overload by the sensor of an indoor
heat exchanger and to turn the outdoor fan or the
compressor ON/OFF for safety.
*Deice : Deicing operation is controlled by indoor unit's
heat exchanger temperature and accumulating time of
compressor's operation.
Deice ends by sensing of the processing time by deice
condition.
4. DRY MODE : Has 3 states, each determined by room
temperature.
The unit operates in DRY mode.
*Compressor ON/OFF Time is controlled compulsorily
(can not set up the fan speed, always breeze).
*Protective function : Low temperature release.
(Prevention against freeze)
5. TURBO MODE : This mode is available in AUTO, COOL,
HEAT, DRY, FAN MODE.
When this button is pressed at first, the air conditioner is
operated ''powerful'' state for 30 minutes regardless of the
set temperature, room temperature.
When this button is pressed again, or when the operating
time is 30 minutes, turbo operation mode is canceled and
returned to the previous mode.
*But, if you press the TURBO button in DRY or FAN
mode that is changed with AUTO mode automatically.
6. SLEEP MODE : Sleep mode is available only in COOL or
HEAT mode.
The operation will stop after 6 hours.
*In COOL mode : The setting temperature is
automatically raised by 1°C each 1hour When the
temperature has been raised by total of 2°C, that
temperature is maintained.
*In HEAT mode : The setting temperature is automatically
dropped by 1°C each 1hour.
When the temperature has been dropped by total of 2°C,
that temperature is maintained.
7. FAN SPEED : Manual (3 step), Auto (4 step)
Fan speed automatically varies depending on both the
difference between setting and the room temperature.
8. COMPULSORY OPERATION :
For operating the air conditioner without the remote
control.
*The air conditioner starts up in the most suitable mode
for the room temperature:
Room Temp
Tr≥21°C+∆T
21°C +∆T>Tr
Operation Type
Cool Operation (Set Temp:24˚C+∆T)
Heat Operation (Set Temp:22˚C+∆T)
2-1-1 Name & Function of Key in remote control
below 28˚C
28˚C~below 34˚C
34˚C~below 40˚C
above 40˚C
The temperature of
indoor heat exchanger Indoor fan speed
off
LL Speed
L Speed
Setting Speed
Room Temperature
Less than 21˚C
21˚C or above
Operating Mode
Heat
Cool
Temperature Setting
22˚C approx.
24˚C approx.
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Operating Instructions
Samsung Electronics6
9. SWING : BLADE-H is rotated vertically by the stepping
motor.
*Swing Set : Press the button under the remote
control is displayed on LCD the and the blades
move up and down. If the one more time press the
button, blades location is stop.
10. SETTING THE ON/OFF TIMER. :
*ON TIMER : The On Timer enables you to switch on the
air conditioner automatically after a given period of time.
You can set the period of time from 30 minutes to 24
hours.
*OFF TIMER : The Off Timer enables you to switch off
the air conditioner automatically after a given period of
time. You can set the period of time from 30 minutes to
24 hours.
11. GENERATING ANION :
The air conditioner can generate anion with an ionizer in
the indoor unit.
12. SELF DIAGNOSIS
13. BUZZER SOUND : Whenever the On/Off button is
pressed or whenever change occurs to the condition
which is set up or select, the compulsory operation mode,
buzzer is sounded "beep".
Indoor unit room temperature sensor
error (open or short)
OFF E1
OFF E2
OFF E3
OFF E6
All lamp
blinking All lamp blinking
Indoor unit heat exchanger
temperature sensor error(open or short)
Indoor FAN MOTOR error :
Keep the RPM value 450 below for
15 seconds
Error in option
In case of No option set-up
In case of option data error
EEPROM error
Error Mode
Operation Off Operation On
DISPLAY 7-SEGMENT
Remark
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7Samsung Electronics
2-2 Replace PCB Model option
2-2-1 Replace PCB model option
No
Yes
Remove power cord
Replace the PCB module
Check the connection and plug in
Refer to set up the Model option(13~15page)
Replace another PCB
Does all display lamp blink?
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Samsung Electronics8
3. Disassembly and Reassembly
3-1 Indoor Unit
Stop operation of the air conditioner and remove the power cord before repairing the unit.
No Parts Procedure Remark
1 Front Panel 1) Stop the air conditioner operation and block
the main power.
2) Detach tape of Front Panel upper.
3) Slide the lower Front Grille down, then
disassemble it by pulling it forwards.
4) Open the upper Front Grille by pulling right
and left sides of the Grille.
5) Take the left and right Filter out.
6) Loosen one of the right screw and detach
the Terminal Cover.
7) Detach the thermistor from the Front Grille.
8) Loosen 5 fixing screws of Front Grille.
9) Pull the lower left and right of discharge
softly for the outside cover to be pulled out.
10) In order to disassemble the Panel Grille,
press, in order, the left, center, and right of
the upper side of the Panel Grille with the
palm of the hand to remove the hook.
And then disassemble the Panel Grille.
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Disassembly and Reassembly
9Samsung Electronics
No Parts Procedure Remark
2
3
4
Electrical Parts
(Main PCB)
Tray Drain
Heat Exchanger
1) Take all the connector of PCB upper side
out.(Including Power Cord)
2) Detach the outdoor unit connection wire
from the Terminal Block.
3) If pulling the main PCB up, it will be taken
out.
1) Pull Tray Drain out from the Back Body.
1) Loosen 2 fixing earth screws of right side.
2) Detach the Connection Pipe.
3) Detach the Holder Pipe at the rear side.
4) Loosen 3 fixing screws of right and left
side.
5) Detach the Heat Exchanger from the
indoor unit.
DB98_16341A(2)_SH18AP0 04/2/9 4:35 PM Page 9

Disassembly and Reassembly
Samsung Electronics10
No Parts Procedure Remark
5 Fan Motor
&
Cross Fan
1) Loosen 2 fixing screws and detach the
Motor Holder.
2) Loosen 1 fixing screw of Fan Motor.
(with a M3 wrench)
3) Detach the Fan Motor from the Fan.
4) Detach the Fan from the left Holder
Bearing.
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11Samsung Electronics
3-2 Outdoor Unit
No Parts Procedure Remark
1
2
Cabinet
Fan Motor
&
Propeller Fan
1) Turn off the unit and remove the power
cable.
2) Detach the Top Cover.
3) Detach the Control Box Cover.
4) Unplug the Ass'y Cable.
5) Detach the Cabinet-Side.
6) Detach the Cabinet-Front.
* When you assemble the parts, check if the
each parts and Component Electric Box
are fixed firmly.
1) Detach the Nut Flange.
(Turn to the clockwise)
2) Disassemble the Propeller Fan.
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Samsung Electronics12
4. Refrigerating Cycle Diagram
Indoor Unit Outdoor Unit
T1
T2
2-Way valve
3-Way valve
Gas side
Heat
Exchanger
(Evaporator)
Heat
Exchanger
(Evaporator)
Liquid side
Capillary tube
4-Way valveCooling
Heating
Gas leak check point
Compressor
Cross fan
Propeller fan
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13Samsung Electronics
5. Set Up the Model Option
5-1 Setting Option Setup Method
ex) Option No. :
Step 1 : Enter the Option Setup mode.
1st Take out the batteries of remote control.
2nd Press the temperature button simultaneously and
insert the battery again.
3rd Make sure the remocon display shown as .
Step 2 : Enter the Option Setup mode and select your option according to the following procedure.
3 2
1
4
5 6
1
2
The default value is .
Otherwise, push the button to .
Every time you push the button, the display panel reads or
repeatedly.
✳Setting is not required if you must
a value which has a default.
Push the button to set the display panel to .
Every time you push the button, the display panel reads
. . . repeatedly.
3
Push the button to set the display panel to .
Every time you push the button, the display panel reads
. . . repeatedly.
4
Push the button to set the display panel to .
Every time you push the button, the display panel reads
. . . repeatedly.
5
Push the button to set the display panel to .
Every time you push the button, the display panel reads
. . . repeatedly.
6
Push the button to set the display panel to .
Every time you push the button, the display panel reads
. . . repeatedly.
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Samsung Electronics14
Set Up the Model Option
Step 3 : Upon completion of the selection, check you made right selections.
Press the Mode Selection key, to set the display part to and check the display part.
The display part shows .
Press the Mode Selection key, to set the display part to and check the display part.
The display part shows .
Step 4 : Pressing the ON/OFF button ( )
When pressing the operation ON/OFF key with the direction of remote controller for unit, the sound ''Ding'' or ''Diriring'' is
heard and the OPERATION ICON( ) lamp of the display is flickering at the same time, then the input of option is com-
pleted. (If the diriring sound isn't heard, try again pressing the ON/OFF button.)
Step 5 : Unit operation test-run
First, Remove the battery from the remote controller.
Second, Re-insert the battery into the remote controller.
Third, Press ON/OFF key with the direction of remote controller for set.
7
8
Press button, then the default value is .
Push the button to set the display panel to .
Every time you push the button, the display panel reads
. . . repeatedly.
Push the button to set the display panel to .
Every time you push the button, the display panel reads
. . . repeatedly.
10
Push the button to set the display panel to .
Every time you push the button, the display panel reads
. . . repeatedly.
11
Push the button to set the display panel to .
Every time you push the button, the display panel reads
. . . repeatedly.
12
Push the button to set the display panel to .
Every time you push the button, the display panel reads
. . . repeatedly.
9 8
7
10
11 12
✳Setting is not required if you must
a value which has a default.
•Error Mode
1st If all lamps of indoor unit are flickering, Plug out, plug in battery again and press ON/OFF key to retry.
2nd If the unit is not working properly or all lamps are continuously flickering after setting the option code, see if the correct option code is
set up for its model.
9
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15Samsung Electronics
Set up the Model Option
■ OPTION ITEMS
REMOCON
MODEL SEG1 SEG2 SEG3 SEG4 SEG5 SEG6 SEG7 SEG8 SEG9 SEG10 SEG11 SEG12
SH18AP0
SH24AP6
0851151d0351
0872141d0362
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Samsung Electronics16
4
6
12-4
12-2
12-1
12-5
12-3
12-6
2
8
5
1
1-1-2
1-1-4
1-1-5
1-1-6
1-1-7
12
1-4
1-3 1-1-1
1-1
3
7
7-5
7-6
7-7
7-4
7-1 7-9
7-10
7-3
7-2
10
7-8
1-2
1-1-3
11
9
You can search for the updated part code
number through the ITSELF.
URL : http://itself.sec.samsung.co.kr
6. Exploded Views and Parts List
6-1 Indoor Unit
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17Samsung Electronics
Exploded Views and Parts List
■
Parts List
Q'TY
No. Code No. Description Specification Remark
SH18AP0 SH24AP6
1 DB92-00447C ASS'Y PANEL FRONT-TOTAL ASS'Y
1-1 DB92-00471A ASS'Y PANEL FRONT-SUB ASS'Y
1-1-1 DB92-00386A ASS'Y PANEL FRONT ASS'Y
1-1-2 DB31-00195B MOTOR STEPPING -
1-1-3 DB39-00780B CONNECT WIRE-STEP MOTOR -
1-1-4 DB61-01114A HOLDER MOTOR DC HIPS
1-1-5 DB61-01144A HINGE GRILLE HIPS
1-1-6 DB61-01116A GUIDE LINK HIPS
1-1-7 DB66-00366A LINK MOTOR ABS
1-2 DB64-00670A GRILLE UP HIPS
1-3 DB63-00596B FILTER-AIR LF PP
1-4 DB63-00597B FILTER-AIR RH PP
2 DB92-00449D ASS'Y GRILLE LOW SUB ASS'Y
3 DB96-03071A ASS'Y EVAP-TOTAL ASS'Y
DB96-02345E ASS'Y EVAP-TOTAL ASS'Y
4 DB95-00367F ASS'Y FILTER BIO ASS'Y
5 DB63-00594A COVER TERMINAL HIPS
6 DB93-02530G ASS'Y REMOCON ASS'Y
7 DB94-00531B ASS'Y BACK BODY ASS'Y
7-1 DB94-00040J ASS'Y CROSS FAN ASS'Y
7-2 DB60-20011A BOLT SPECIAL M6
7-3 DB31-10151C MOTOR-FAN IN -
7-4 DB61-01135A BACK BODY HIPS
7-5 DB61-01136A HOLDER-MOTOR PP
7-6 DB63-00580A COVER-IONIZER HIPS
7-7 DB73-00128A RUBBER BEARING -
7-8 DB94-40007A BEARING MOTOR -
7-9 DB93-01629B ASS'Y IONIZER ASS'Y
7-10 DB93-01383F ASS'Y CONNECTOR WIRE ION -
8 DB67-60030A SPRING SENSOR -
9 DB70-00295A HANGER PLATE SGCC-M
10 DB93-01636A ASS'Y CONTROL IN ASS'Y
11 DB61-01137A HOLDER-PIPE HIPS
12 DB94-00300C ASS'Y TRAY DRAIN ASS'Y
12-1 DB94-00062B ASS'Y HOSE DRAIN ASSY
12-2 DB61-01141A BLADE-H ABS
12-3 DB61-01142A BLADE-V PP
12-4 DB63-00598A TRAY DRAIN ABS
12-5 DB31-10154A STEPPING MOTOR -
12-6 DB63-00699A GUARD-SAFETY WIRE -
1
1
1
1
1
1
1
1
1
1
1
1
1
1
-
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
-
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
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Samsung Electronics18
6-2 Outdoor Unit
12
13
21
6
5
7
14 8
16-1
19 10
11
15-1
16
15-2
15
15-4
15-3
9
17
18
18-2
18-6
18-4
18-3
18-5
18-1
4
3
2
1
■18K BTU
20-1 20-3
20-2 20-4
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19Samsung Electronics
Exploded Views and Parts List
■
Parts List
Q'TY
No. Code No. Description Specification Remark
1 DB90-00653S ASS'Y CABI-FRONT ASS'Y 1
2 DB63-00385D GUARD FAN HSWR 1
3 DB90-01335A ASS'Y BASE OUT ASS'Y 1
4 DB61-01593A BRACKET VALVE P AZ 1
5 DB67-50063A FAN-PROPELLER AS+G/F20% 1
6 DB60-30020A NUT-FLANGE M6,CCW 1
7 DB31-00056C MOTOR FAN OUT ASS-030AVEB 1
8 DB61-20008C BASE-MOTOR SGCC-M 1
9 DB94-00165C ASS'Y PARTITION ASS'Y 1
10 DB96-01524B ASS'Y COND-UNIT ASS'Y 1
11 DB90-40176B ASS'Y-COVER CONTROL ASS'Y 1
12 DB90-01348A CABINET-SIDE RH SC-90073T 1
13 DB90-01349A CABINET-SIDE LF SC-90073T 1
14 DB90-10613F ASS'Y-CABI UPPER ASS'Y 1
15 G8D190JU1EH COMPRESSOR ROTARY 1
15-1 DB73-00067A GROMMET ISOLATOR NR 3
15-2 DB60-30028A NUT-WASHER M8 3
15-3 DB60-30018A NUT-FLANGE M5 1
15-4 DB63-10165D COVER-TERMINAL NOTYL 1
16 DB99-00390A ASS'Y-4WAY V/V ASS'Y 1
16-1 DB62-02285A VALVE SERVICE 1/2" 1
17 DB99-00392A ASS'Y VALVE CHECK ASS'Y 1
18 DB93-00673M ASS'Y CONTROL OUT ASS'Y 1
18-1 3501-001184 RELAY-POWER 30mS 1
18-2 2501-001239 CAPACITOR 45uF/450VAC 1
18-3 DB65-00040A TERMINAL BLOCK 8P 1
18-4 DB95-90026B SPARK KILLER ASS'Y 1
18-5 3601-000236 FUSE 2A,250V 1
18-6 2301-001370 MOTOR CAPACITOR 2.5uF/450VAC 1
19 DB62-02530A CLOTH-COMP SOUND FELT+EVA+FELT 1
20-1 DB39-20546E CONNECT WIRE-POWER - - OPTION
20-2 DB39-00171A CONNECT WIRE-ASS'Y - - OPTION
20-3 DB67-20011A DRAIN PLUG OUT PP 1
20-4 DB73-00179A RUBBER-LEG NR 4
21 DB71-00087A BAR-STEEL HSWR 1
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