Samsung AQ12SGGE User manual

SERVICE Manual
ROOM AIR CONDITIONER
INDOOR UNIT
AQ12SGGE
SH12ZSG
AQ09S8GE
SH09ZS8
AQ07S8GE
SH07ZS8
OUTDOOR UNIT
UQ12SGGE
SH12ZSGX
UQ09S8GE
SH09ZS8X
UQ07S8GE
SH07ZS8X
CONTENTSAIR CONDITIONER
1. Product Specifications
2. Operating Instructions
3. Disassembly and Reassembly
4. Exploded Views and Parts List
5. Block Diagrams
6. PCB Diagrams
7. Wiring Diagrams
8. Schematic Diagrams
DB98_08122A(3)SM_co 2/11/03 3:17 PM Page 3

1-1Samsung Electronics
1. Product Specifications
1-1 Table
Perfor-
mance
Power
Size
Model
Item
Type Cooling kW
Heating kW
Dehumiditying I/h
Air volume Cooling m3/min
Heating
Noise Cooling dB
Heating
Energy efficiency ratio Cooling
Heating W/W
Power V-Hz
Power Consumption Cooling W
Heating
Operating Current Cooling A
Heating
Power factor Cooling %
Heating
Starting current A
Length m
Power cord Number of core wire
Capacity A
Outer Width x Height mm
Dimension x Depth inch
Weight kg
Refrigerant pipe Liquid mm x L(MT)
GAS mm x L(MT)
Drain hose D x L(mm)
Type
Compressor Motor Type
Rated output
Type
Blower Motor Type
Rated output W
Heat exchanger
Refrigerant control unit
Freezer oil capacity cc
Refrigerant to change(R-22) g
Protection device
Cooling test Condition
Maximum operation Condition
SH12ZSG
AQ12SGGE SH09ZS8 AQ09S8GE SH07ZS8 AQ07S8GE
Indoor unit Outdoor unit Indoor unit Outdoor unit Indoor unit Outdoor unit
Wall-mounting
3.5
3.8
1.9
7.9 24
8.6 24
40 50
40 50
2.97
3.25
1-220 / 240-50
1180
1170
5.3
5.1
96.8
99.7
32.0
-
-
250V-10 / 16A
890x285x179 695x530x280
35.0x11.2x7.0 27.4x20.9x11.0
8.5 33.0
ø6.35 x 5
ø12.7 x 5
ø18 x 2000
Rotary
--
--
Cross-flow Propeller
steel steel
15 25
2ROW 12STEP 1ROW 20STEP
CAPILLARY TUBE
600
820
RAC 12074-9622
Wall-mounting
2.7
2.9
1.4
6.4 19
7.0 19
38 48
38 48
2.81
3.22
1-220 / 240-50
960
900
4.4
4.0
94.9
97.8
21.0
-
-
250V-10 / 16A
795x258x179 660x475x242
31.3x10.2x7.0 26.0x18.7x9.5
7.5 26.3
ø6.35 x 5
ø9.52 x 5
ø18 x 2000
Rotary
--
--
Cross-flow Propeller
steel steel
11 20
2ROW 10STEP 1ROW 18STEP
CAPILLARY TUBE
360
660
RAC 12054-9622
Wall-mounting
2.2
2.3
0.9
5.8 19
6.2 19
36 47
36 47
2.86
3.29
1-220 / 240-50
770
700
3.3
3.1
99.9
98.2
18.0
-
-
250V-10 / 16A
795x258x179 660x475x242
31.3x10.2x7.0 26.0x18.7x9.5
7.5 25.6
ø6.35 x 5
ø9.52 x 5
ø18 x 2000
Rotary
--
--
Cross-flow Propeller
steel steel
11 20
2ROW 10STEP 1ROW 18STEP
CAPILLARY TUBE
360
620
RAC 12144-9622
INDOOR UNIT : DB27˚C WB19˚C OUTDOOR UNIT : DB35˚C WB24˚C
INDOOR UNIT : DB32˚C WB23˚C OUTDOOR UNIT : DB43˚C WB26˚C
DB98_08122A(3)SM_1 2/11/03 4:21 PM Page 2-1

Samsung Electronics1-2
1-2 Pressure Graph
20 25 30 35 40 45
32.4/24.0
30.6/22.5
28.8/21.0
27.0/19.0
24.0/17.0
21.5/15.0
6.5
5.5
4.5
3.5
■12K BTU
20 25 30 35 40 45
32.4/24.0
30.6/22.5
28.8/21.0
27.0/19.0
24.0/17.0
21.5/15.0
6.5
5.5
4.5
3.5
■9K BTU
20 25 30 35 40 45
32.4/24.0
30.6/22.5
28.8/21.0
27.0/19.0
24.0/17.0
21.5/15.0
7
6
5
4
■7K BTU
DB98_08122A(3)SM_1 2/11/03 4:21 PM Page 2-2

2-1Samsung Electronics
2. Operating Instructions
2-1 The Feature of Key in remote control
If you wish to save energy when using your air conditioner, select the Energy saving
mode with the Energy saving button.
Each time you press this button,
FAN SPEED is changed in the following order.
Press the button one or more times until appears. 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 six hours.
Temp. down button. To decrease the temperature by the pressing
the temperature button.
FUNCTION OF KEY
(DOWN)
Power On/Off button to start and stop air conditioner or timer set up.
Press the button one or more times until appears. The air conditioner
cools or heats the room as quickly as possible. After 30minutes,
the air conditioner is reset automatically to the previous mode.
NAMED OF KEY
(UP)
NO
1
2
3
4
5
6
7
8
9
Adjust air flow vertically.
Each time you press this button
Mode is changed in the following order : Auto Mode : Fan Only
: Cool Mode : Heat Mode
: Dry Mode
Temp. up button. To increase the temperature by the pressing
the temperature 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 cancel, 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, press the (Set/Cancel) button.
DB98_08122A(3)SM_1 2/11/03 4:22 PM Page 2-3

Operating Instructions
Samsung Electronics2-2
1. AUTO MODE : In this mode, operation
mode(COOL, HEAT) is selected automati-
cally 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 accord-
ing to the difference between the setting
and room temperature. (18°C~30°C)
3. HEAT MODE : The unit operates accord-
ing to the difference between the setting
and room temperature.(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 tempera-
ture and accumulating time of compres-
sor's operation.
Deice ends by sensing of the processing
time by deice condition.
4. DRY MODE : Has 3 states, each deter-
mined 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 main-
tained.
*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 main-
tained.
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
The temperature of
indoor heat exchanger
below 28˚C
28˚C~below 34˚C
34˚C~below 40˚C
above 40˚C
Indoor fan speed
off
LL Speed
L Speed
Setting Speed
DB98_08122A(3)SM_1 2/11/03 4:22 PM Page 2-4

Operating Instructions
2-3Samsung Electronics
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:
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 automati-
cally 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 automati-
cally after a given period of time. You can
set the period of time from 30 minutes to
24 hours.
11. SELF DIAGNOSIS
12. 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)
Description
LAMP of DISPLAY Monitor
TURBO OPERATION TIMER ENERGY
SAVING
: Lamp flickering
: Lamp off
Indoor unit heat exchanger temperature
sensor error(open or short)
Indoor fan motor malfunction
EEPROM error
Option error(option wasn’t set up or
option data error)
Room Temperature
Less than 21ûC
21ûC or above
Operating Mode
Heat
Cool
Temperature Setting
22ûC approx.
24ûC approx.
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MEMO
Samsung Electronics2-4
DB98_08122A(3)SM_1 2/11/03 4:22 PM Page 2-6

3-1Samsung Electronics
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 Grille 1) Stop the air conditioner operation and block
the main power.
2) Separate 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 separate
the terminal cover.
7) Separate the thermistor from the front grille.
8) Loosen five 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.
DB98_08122A(3)SM_1 2/11/03 4:22 PM Page 2-7

Disassembly and Reassembly
Samsung Electronics3-2
No Parts Procedure Remark
2
3
4
Electrical Parts
(Main PCB)
Ass’y Tray Drain.
Heat Exchanger
1) Do “1”, above.
2) Take all the connector of PCB upper side out.
(Inclusion Power cord)
3) Separate the outdoor unit connection wire
from the terminal block.
4) If pulling the Main PCB up. it will be taken
out.
1) Do “1”, “2”, above.
Separate the drain hose from the extension
drain hose.
2) Pull tray drain out from the back body.
1) Do “1” and “2”, “3”, above.
2) Loosen two fixing earth screws of right side.
3) Separate the connection pipe.
4) Separate the holder pipe at the rearside.
5) Loosen the three fixing screws of right and
left side.
6) Lifting the heat exchanger up a little to push
the up side for separation from the indoor
unit.
DB98_08122A(3)SM_1 2/11/03 4:22 PM Page 2-8

Disassembly and Reassembly
3-3Samsung Electronics
No Parts Procedure Remark
5 Fan Motor and
Cross Fan 1) Do “1”, “2”, ”3”, “4”, above.
2) Loosen the fixing two screws and separate
the motor holder.
3) Loosen the fixing screw of fan motor.
(By use of M3 wrench)
4) Separate the fan motor from the fan.
5) Separate the fan from the left holder bearing.
DB98_08122A(3)SM_1 2/11/03 4:22 PM Page 2-9