ROOM AIR CONDITIONER
AWH126JE
AWH127JE
SERVICE Manual
AIR CONDITIONER |
CONTENTS |
1. Precautions
2. Product Specifications
3. Installation and Operating
Instructions
4. Disassembly and Reassembly
5. Troubleshooting
6. Exploded Views and Parts List
7. Block Diagram
POWER / MODE
8.PCB Diagram
9.Wiring Diagram
10.Schematic Diagrams
ELECTRONICS
©Samsung Electronics Co., Ltd. MAR. 1998. Printed in Korea.
Code No. DB81-10152A
1. Precautions
1.Warning: Prior to repair, disconnect the power cord from the circuit breaker.
2.Use proper parts: Use only exact replacement 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 equipment may cause problems laterintermittent 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, measure 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 surrounding area.
Fig. 1-1 Avoid Dangerous Contact
Fig. 1-2 No Tapping and No Extension Cords
Fig. 1-3 No Kids Nearby!
Fig. 1-4 Clean the Unit
Samsung Electronics |
1-1 |
2. Product Specifications
2-1 Table
Item |
Unit of Measure |
AWH126/127JE (COOL/HEAT) |
Remarks |
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Type |
- |
Window |
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Dimensions: |
mm |
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(Width X Height X Depth) |
600 X 394 X 555 |
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Packing Size |
mm |
715 X 470 X 655 |
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(Width X Height X Depth) |
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Voltage: |
Volt |
220 - 240 |
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Phase |
- |
Single |
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Frequency |
Hz |
50 |
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Operating Current |
A |
5.9 / 5.3 |
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Power Consumption |
W |
1,350 / 1,210 |
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Refrigerant Type |
FREON |
R-22 |
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Refrigerant Charge |
g |
680 |
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Cooling Capacity |
BTU/h |
11,500 / 11,500 |
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EER |
BTU/h.W |
8.5 / 9.5 |
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Net Weight |
kg |
45 |
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Condenser |
Row |
2 X 14 |
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Condenser Fan |
Type |
Propeller Fan |
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Evaporator |
Row |
2 X 14 |
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Evaporator Fan |
Type |
Blower |
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Fan Motor |
W |
AMAFS100ATEA |
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Compressor(Rotary) |
Model |
48H124JV1E4 |
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Overload Protect |
- |
MRA12030-12008 |
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Compressor Capacitor |
µF/ VAC |
30 / 450 |
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3.5 / 450 DUAL TYPE |
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Fan Motor Capacitor |
µF/ VAC |
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Fan Speed Control |
- |
Fan speed switch (High & Low) |
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Thermo Control |
- |
Thermistor |
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OFF Timer |
hr |
24 |
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Samsung Electronics |
2-1 |
2-2 Dimensions
2-2-1 Main Unit
Unit : mm
595
Front view |
Side view |
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394 |
600 |
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2-2-2 Remote Control
Mode selection Buttons |
Timer setting buttons |
(FAN, HEAT, COOL) |
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Temperature adjustment buttons |
ON/OFF Buttons |
Fan speed adjustment Buttons |
Air flow swing button |
(HIGH, LOW) |
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2-2 |
Samsung Electronics |
3. Installation and Operating Instructions
3-1 Installation
* When selecting the area for installing the unit, be sure to obtain approval of the customer.
1.Make sure that you install the unit in an area that provides good ventilation.
The air conditioner must not be blocked by any obstacle affecting the air flow near the air inlet and air outlet.
2.Make sure that you install the unit in an area which can endure the weight and vibration of the unit.
3.Make sure that you install the unit away from heat or vapor.
4.Make sure that you install the unit in an area where the cooled air can be evenly spread in a room.
5.Make sure that you install the unit in an area away from TVs, audio units, cordless phones, fluorescent lighting fixtures and other electrical appliances.
(obtain a clearance of at least one meter)
6.Make sure that you install the unit in an area which provides easy drainage for condensed water.
7.Make sure that you install the unit in an area not exposed to rain or direct sunlight.
(Install a separate sunblind if exposed to direct sunlight.)
8.Do not install the unit in an area subjected to noise or vibration amplification which may affect your neighbor.
(Fix the unit firmly if mounted in a high place.)
Caution:
Do not use the air conditioner in such areas as a greasy area(including machine oil),
saline area(sea side), or sulphuric area(hot spring). When using the air conditioner in these areas, special maintenance is required. Contact your local dealer or our service center for advice.
Samsung Electronics |
3-1 |
3-2 Function Description
Remote control sensor
°C
Hour
Deice indicator
DEICE |
HEAT |
COOL |
FAN |
Temperature/Timer settings
Temperature indicator Timer indicator
POWER/MODE button
POWER / MODE
Operating mode indicator
3-2-1 Cooling operation mode
The compressor is turned on and off according to the ambient temperature and set temperature.
1.Compressor on and off control
•Compressor on and off control according to the ambient temperature.
* The compressor is turned off when "ambient temperature = set temperature -1˚C" * The compressor is turned on when "ambient temperature = set temperature +1˚C"
2.Default value after power reset → set temperature = 18˚C
FAN SPEED = HIGH
3. Set temperature indicating (setting) range : 1˚C interval from 18˚C to 30˚C.
3-2-2 Heating operation mode
The compressor is turned on and off according to the ambient temperature and set temperature.
1.Compressor on and off control.
•Compressor on and off control according to the ambient temperature.
* The compressor is turned off when "ambient temperature = set temperature +1˚C"
*The compressor is turned on when "ambient temperature = set temperature -1˚C"
2.Default value after power reset → set temperature = 24˚C
FAN SPEED = HIGH
3. Set temperature indicating (setting) range : 1˚C interval from 16˚C to 30˚C.
3-2-3 Fan operation mode
1.If "Fan operation mode" signal is received from remocon.
→the compressor is immediately turned off and only fan motor is operated at set blowing speed.
→it changes such as "HIGH → LOW → HIGH"( if Fan speed is selected).
2.The initial FAN speed is set to "HIGH".
3.The set temperature can not be indicated and set.
3-2 |
Samsung Electronics |
3-2-4 LED lamp and LED display indication in case of error detection
ERROR OPERATION |
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LED LAMP DISPLAY |
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7-SEG |
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COOL |
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HEAT |
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FAN |
LED DISPLAY |
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ROOM THERMISTOR |
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E1 displayed |
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(OPEN OR SHORT) |
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INDOOR PIPE THERMISTOR |
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E5 displayed |
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(OPEN OR SHORT) |
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OUTDOOR PIPE THERMISTOR |
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E6 displayed |
(OPEN OR SHORT) |
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Lamp |
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blinking at every second (on for 0.5s and off for 0.5s) |
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LED lamp off
1.Set operation in case of error occurrence.
•Malfunction of each temperature sensor (open, short)
-Error mode display, warning sound.
-The operation status is off.
2.The "outdoor pipe thermistor" error mode carry out checking only during heating operation and do not carry out checking during "COOLING" and "FAN" operation.
3-2-5 Panel key operation
Key discription |
Key operational function |
Key Type |
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Key name |
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Power/Mode |
1. Operation mode change and POWER OFF(in case of model option heat pump) |
TACT |
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* at every ON |
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- Selected as "OFF –> COOL –> HEAT –> FAN –> OFF". (Default=OFF) |
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* Continuous operation is not available. |
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Samsung Electronics |
3-3 |
3-2-6 LED lamp operation specifications
LAMP name |
Operations specifications |
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COOL |
The mode is set to "COOL" –> ON |
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Others –> OFF |
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HEAT |
The mode is set to "HEAT" –> ON |
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Others –> OFF |
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FAN |
The mode is set to "FAN" –> ON |
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Others –> OFF |
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˚C |
The set temperature is displayed or set -> ON |
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Others –> OFF |
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HR |
During setting of the convenient reserve (OFF TIMER) time -> blinking |
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After setting of the convenient reserve (OFF TIMER) time -> ON |
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Others –> OFF |
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DEICE |
Till the "DEICING" operation is completed during heating opertion -> ON |
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Others –> OFF |
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In case of (set) temperature display |
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-> NO. (1) 7 seg. LED display indicates temperature of the tens digit (˚C, ˚F) |
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-> NO. (2) 7 seg. LED display indicates temperature of the units digit (˚C, ˚F) |
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In case of time (OFF TIMER) display |
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-> NO. (1) 7 seg. LED display indicates time of the tens digit |
(1) |
(2) |
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-> NO. (2) 7 seg. LED display indicates time of the units digit |
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3-4 |
Samsung Electronics |
3-2-7 Resistor values table of “ROOM THERMISTOR”, “INDOOR PIPE THERMISTOR” and “OUTDOOR PIPE THERMISTOR” for each temperature
1. Room thermistor (SPEC : 103AT)
Temperature |
THERMISTOR RESISTOR |
[˚C] |
[Kohm] |
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70 |
2.229 |
69 |
2.296 |
68 |
2.365 |
67 |
2.437 |
66 |
2.512 |
65 |
2.589 |
64 |
2.669 |
63 |
2.752 |
62 |
2.838 |
61 |
2.928 |
60 |
3.021 |
59 |
3.116 |
58 |
3.216 |
57 |
3.319 |
56 |
3.426 |
55 |
3.537 |
54 |
3.652 |
53 |
3.772 |
52 |
3.897 |
51 |
4.026 |
50 |
4.161 |
49 |
4.300 |
48 |
4.444 |
47 |
4.594 |
46 |
4.749 |
45 |
4.912 |
44 |
5.080 |
43 |
5.256 |
42 |
5.439 |
41 |
5.630 |
40 |
5.828 |
39 |
6.033 |
38 |
6.246 |
37 |
6.468 |
36 |
6.699 |
35 |
6.941 |
34 |
7.192 |
33 |
7.455 |
32 |
7.729 |
31 |
8.015 |
30 |
8.313 |
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Temperature |
THERMISTOR RESISTOR |
[˚C] |
[Kohm] |
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29 |
8.622 |
28 |
8.944 |
27 |
9.281 |
26 |
9.632 |
25 |
10.000 |
24 |
10.380 |
23 |
10.780 |
22 |
11.200 |
21 |
11.630 |
20 |
12.090 |
19 |
12.560 |
18 |
13.060 |
17 |
13.570 |
16 |
14.120 |
15 |
14.680 |
14 |
15.280 |
13 |
15.900 |
12 |
16.550 |
11 |
17.240 |
10 |
17.960 |
9 |
18.700 |
8 |
19.480 |
7 |
20.290 |
6 |
21.150 |
5 |
22.050 |
4 |
22.990 |
3 |
23.900 |
2 |
25.030 |
1 |
26.130 |
0 |
27.280 |
-1 |
28.470 |
-2 |
29.720 |
-3 |
31.040 |
-4 |
32.430 |
-5 |
33.890 |
-6 |
35.430 |
-7 |
37.050 |
-8 |
38.760 |
-9 |
40.560 |
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Samsung Electronics |
3-5 |
2. Indoor pipe Thermistor and Outdoor pipe Thermistor (SPEC : 10KD)
Temperature |
THERMISTOR RESISTOR |
[˚C] |
[Kohm] |
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70 |
1.670 |
69 |
1.729 |
68 |
1.791 |
67 |
1.855 |
66 |
1.922 |
65 |
1.992 |
64 |
2.065 |
63 |
2.141 |
62 |
2.220 |
61 |
2.303 |
60 |
2.390 |
59 |
2.480 |
58 |
2.574 |
57 |
2.672 |
56 |
2.775 |
55 |
2.882 |
54 |
2.994 |
53 |
3.111 |
52 |
3.234 |
51 |
3.362 |
50 |
3.496 |
49 |
3.635 |
48 |
3.780 |
47 |
3.932 |
46 |
4.091 |
45 |
4.257 |
44 |
4.432 |
43 |
4.614 |
42 |
4.806 |
41 |
5.007 |
40 |
5.217 |
39 |
5.438 |
38 |
5.669 |
37 |
5.912 |
36 |
6.167 |
35 |
6.435 |
34 |
6.716 |
33 |
7.012 |
32 |
7.322 |
31 |
7.649 |
30 |
7.993 |
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Temperature |
THERMISTOR RESISTOR |
[˚C] |
[Kohm] |
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29 |
8.354 |
28 |
8.734 |
27 |
9.135 |
26 |
9.556 |
25 |
10.00 |
24 |
10.46 |
23 |
10.94 |
22 |
11.45 |
21 |
11.99 |
20 |
12.55 |
19 |
13.15 |
18 |
13.78 |
17 |
14.44 |
16 |
15.14 |
15 |
15.88 |
14 |
16.66 |
13 |
17.48 |
12 |
18.36 |
11 |
19.28 |
10 |
20.25 |
9 |
21.28 |
8 |
22.38 |
7 |
23.54 |
6 |
24.76 |
5 |
26.06 |
4 |
27.44 |
3 |
28.90 |
2 |
30.45 |
1 |
32.10 |
0 |
33.85 |
-1 |
35.66 |
-2 |
37.59 |
-3 |
39.64 |
-4 |
41.82 |
-5 |
44.14 |
-6 |
46.60 |
-7 |
49.22 |
-8 |
52.01 |
-9 |
54.98 |
-10 |
58.14 |
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3-6 |
Samsung Electronics |
3-2-8 About the safety devices
1.High temperature release : If temperature of the indoor pipe thermistor increases over the specified value during heating operation, following operation is carried out for safety of the equipment.
A condition : temperature of indoor pipe thermistor is below 47˚C
B condition : temperature of indoor pipe thermistor is between 58˚C and 63˚C
C condition : temperature of indoor pipe thermistor is over 63˚C
1)High temperature release operation OFF condition = A condition -> compressor ON (only in THERMO ON condition)
-> fan motor speed = set fan speed and cool blowing inhibiting operation
2)High temperature release operation ON condition = B condition -> compressor ON
-> fan motor speed = HIGH operation if it was LOW
=HIGH operation if it was HIGH
3)High temperature release operation ON condition = C condition -> fan motor speed = set fan speed
-> compressor OFF
2.Low temperature release : If temperature of the indoor pipe thermistor decreases below the specified value during cooling operation, following operation is carried out for safety of the equipment.
A condition : temperature of indoor pipe thermistor is below -1˚C for more than 6 minutes
B condition : temperature of indoor pipe thermistor is over 5˚C
1)Low temperature release ON condition = A condition -> compressor OFF
-> fan motor "set fan speed"
2)Low temperature release OFF condition = B condition
-> The compressor is turned on if ON condition is satisfied after comparing the ambient temperature with the set temperature
-> fan motor "set fan speed"
[Detailed description]
1)If temperature of indoor pipe thermistor is below -1˚C for more than 6 minutes, the fan motor continues to operate at the set fan speed and the compressor is turned off(Low temperature release operation)
2)If temperature of the indoor pipe thermistor increases over +5˚C during low temperature release operation, normal operation is recovered
: compressor ON, fan mtor set fan speed -> Low temperature release operation OFF
3)If temperature of indoor pipe thermistor increases over 0˚C during counting 6 minutes below -1˚C, the counter is reset.
Samsung Electronics |
3-7 |
3.Deicing operation : If temperature of the outdoor pipe thermistor decreases below the specified value during heating operation, following operation is carried out for safety of the equipment.
Outdoor pipe Thermistor
temperature (A-Condition) : STANDARD
12[˚C] |
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100min below |
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-4[˚C] |
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100min |
100min |
100min |
Deicing |
Deicing |
COUNT |
COUNT |
COUNT |
operation |
operation |
ON |
OFF |
ON |
ON |
OFF |
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100min |
5min |
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Outdoor pipe
Thermistor |
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temperature |
(B-Condition) : STANDARD |
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12[˚C] |
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30min below |
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-6[˚C] |
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30min |
30min |
30min |
Deicing |
Deicing |
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COUNT |
COUNT |
COUNT |
operation |
operation |
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ON |
OFF |
ON |
ON |
OFF |
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30min |
5min |
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Outdoor pipe |
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Thermistor |
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temperature |
(C-Condition) : STANDARD |
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12[˚C] |
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10min below |
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-8[˚C] |
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10min |
10min |
10min |
Deicing |
Deicing |
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COUNT |
COUNT |
COUNT |
operation |
operation |
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ON |
OFF |
ON |
ON |
OFF |
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2min |
5min |
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3-8 |
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Samsung Electronics |
1)Deicing detecting condition
•If one of A, B and C conditions is satisfied, deicing operation is carried out.(AUBUC)
•If counting time is overlapped due to detection reference temperature change during counting of the deicing condition, deicing operation starts when the counting time is finished first.
•The maximum counting time is 100 minutes.
-During deicing operation, the left and right swing motor is turned off and stops at the position before swing.
-If operation is turned off during deicing operation, it is finished and the compressor is turned off.
-> Deice lamp ON, fan motor OFF.
2)Display indication.
•The deice lamp is turned on additionally during deicing cycle.
•Only the deice lamp is turned off when deicing is finished.
3)In case of turning off during deicing operation.
•The compressor is turned off after finishing the deicing operation.
•The deice lamp is turned on during deicing cycle and is turned off when deicing is finished.
4)In case of changing mode to cooling operation during deicing operation.
•Cooling operation is carried out after carrying out deicing operation.
•After the compressor is turned off and 1 minutes is passed, it is restarted.
5)Load operation during deicing operation.
“DEICE” LED ON |
“DEICE” LED OFF |
DEICE TIME |
CYCLE |
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1min |
COMPRESSOR |
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ON |
OFF |
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2sec |
FAN |
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ON |
MOTOR |
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OFF |
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THERMO ON |
SET FAN SPEED |
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1sec |
AND COOL |
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COOL BLOWING INHIBITION |
BLOWING |
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INHIBITION |
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4-WAY |
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VALVE |
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ON |
OFF |
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55sec |
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Samsung Electronics |
3-9 |
4.Cool blowing inhibiting control : In order to inhibit cool blowing during heating operation, the fan motor is operated when temperature of the indoor pipe thermistor is above the specified value.
•The fan motor speed is controlled according to the temperature of condition of the indoor pipe thermistor.
< Compressor OFF -> Compressor ON >
Indoor pipe |
thermistor |
32[˚C] |
30[˚C] |
FAN MOTOR |
CONTROL |
SET FAN SPEED
LOW FAN
OFF
< Compressor ON -> Compressor OFF >
Indoor pipe |
thermistor |
32[˚C] |
31[˚C] |
30[˚C] |
FAN MOTOR |
CONTROL |
LOW FAN
OFF
30sec
1) When the indoor pipe thermistor temperature is increasing
indoor pipe thermistor temperature = below 32˚C --> fan motor OFF
indoor pipe thermistor temperature = over 32˚C --> fan motor speed "set blower speed" 2) When the indoor pipe thermistor temperature is decreasing
indoor pipe thermistor temperature = over 30˚C --> fan motor speed "set blower speed" indoor pipe thermistor temperature = below 30˚C --> fan motor speed "Low"
3)But if the compressor is operating, the fan motor is not turned off but is operated weakly even if the indoor pipe thermistor temperature decreases.
3-10 |
Samsung Electronics |
< Compressor ON -> Compressor OFF >
indoor pipe thermistor temperature = below 30˚C --> fan motor speed "Low" indoor pipe thermistor temperature = over 30˚C --> fan motor OFF
30s is passed after compressor is turned off --> fan motor OFF
3-2-9 Compressor delayed operation and 4-way valve delayed operation :
The compressor is turned on after 3 minutes from power resetting or compressor turning off during cooling or heating operation.
1)The compressor can be turned on after "3 minutes delay" from power resetting or compressor turning off.
2)The 4 way valve is turned off/on after "2 minutes and 55 seconds delay" in the on/off condition. (during heating operation)
3)The operation is stopped after "2 minutes and 55 seconds delay" in the off condition when the 4 way valve is turned on.
Samsung Electronics |
3-11 |
3. Installation and Operating Instructions
3-1 Installation
* When selecting the area for installing the unit, be sure to obtain approval of the customer.
1.Make sure that you install the unit in an area that provides good ventilation.
The air conditioner must not be blocked by any obstacle affecting the air flow near the air inlet and air outlet.
2.Make sure that you install the unit in an area which can endure the weight and vibration of the unit.
3.Make sure that you install the unit away from heat or vapor.
4.Make sure that you install the unit in an area where the cooled air can be evenly spread in a room.
5.Make sure that you install the unit in an area away from TVs, audio units, cordless phones, fluorescent lighting fixtures and other electrical appliances.
(obtain a clearance of at least one meter)
6.Make sure that you install the unit in an area which provides easy drainage for condensed water.
7.Make sure that you install the unit in an area not exposed to rain or direct sunlight.
(Install a separate sunblind if exposed to direct sunlight.)
8.Do not install the unit in an area subjected to noise or vibration amplification which may affect your neighbor.
(Fix the unit firmly if mounted in a high place.)
Caution:
Do not use the air conditioner in such areas as a greasy area(including machine oil),
saline area(sea side), or sulphuric area(hot spring). When using the air conditioner in these areas, special maintenance is required. Contact your local dealer or our service center for advice.
Samsung Electronics |
3-1 |
3-2 Function Description
Remote control sensor
°C
Hour
Deice indicator
DEICE |
HEAT |
COOL |
FAN |
Temperature/Timer settings
Temperature indicator Timer indicator
POWER/MODE button
POWER / MODE
Operating mode indicator
3-2-1 Cooling operation mode
The compressor is turned on and off according to the ambient temperature and set temperature.
1.Compressor on and off control
•Compressor on and off control according to the ambient temperature.
* The compressor is turned off when "ambient temperature = set temperature -1˚C" * The compressor is turned on when "ambient temperature = set temperature +1˚C"
2.Default value after power reset → set temperature = 18˚C
FAN SPEED = HIGH
3. Set temperature indicating (setting) range : 1˚C interval from 18˚C to 30˚C.
3-2-2 Heating operation mode
The compressor is turned on and off according to the ambient temperature and set temperature.
1.Compressor on and off control.
•Compressor on and off control according to the ambient temperature.
* The compressor is turned off when "ambient temperature = set temperature +1˚C"
*The compressor is turned on when "ambient temperature = set temperature -1˚C"
2.Default value after power reset → set temperature = 24˚C
FAN SPEED = HIGH
3. Set temperature indicating (setting) range : 1˚C interval from 16˚C to 30˚C.
3-2-3 Fan operation mode
1.If "Fan operation mode" signal is received from remocon.
→the compressor is immediately turned off and only fan motor is operated at set blowing speed.
→it changes such as "HIGH → LOW → HIGH"( if Fan speed is selected).
2.The initial FAN speed is set to "HIGH".
3.The set temperature can not be indicated and set.
3-2 |
Samsung Electronics |
3-2-4 LED lamp and LED display indication in case of error detection
ERROR OPERATION |
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LED LAMP DISPLAY |
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7-SEG |
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COOL |
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HEAT |
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FAN |
LED DISPLAY |
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ROOM THERMISTOR |
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E1 displayed |
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(OPEN OR SHORT) |
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INDOOR PIPE THERMISTOR |
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E5 displayed |
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(OPEN OR SHORT) |
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OUTDOOR PIPE THERMISTOR |
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E6 displayed |
(OPEN OR SHORT) |
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Lamp |
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blinking at every second (on for 0.5s and off for 0.5s) |
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LED lamp off
1.Set operation in case of error occurrence.
•Malfunction of each temperature sensor (open, short)
-Error mode display, warning sound.
-The operation status is off.
2.The "outdoor pipe thermistor" error mode carry out checking only during heating operation and do not carry out checking during "COOLING" and "FAN" operation.
3-2-5 Panel key operation
Key discription |
Key operational function |
Key Type |
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Key name |
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Power/Mode |
1. Operation mode change and POWER OFF(in case of model option heat pump) |
TACT |
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* at every ON |
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- Selected as "OFF –> COOL –> HEAT –> FAN –> OFF". (Default=OFF) |
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* Continuous operation is not available. |
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Samsung Electronics |
3-3 |
3-2-6 LED lamp operation specifications
LAMP name |
Operations specifications |
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COOL |
The mode is set to "COOL" –> ON |
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Others –> OFF |
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HEAT |
The mode is set to "HEAT" –> ON |
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Others –> OFF |
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FAN |
The mode is set to "FAN" –> ON |
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Others –> OFF |
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˚C |
The set temperature is displayed or set -> ON |
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Others –> OFF |
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HR |
During setting of the convenient reserve (OFF TIMER) time -> blinking |
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After setting of the convenient reserve (OFF TIMER) time -> ON |
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Others –> OFF |
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DEICE |
Till the "DEICING" operation is completed during heating opertion -> ON |
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Others –> OFF |
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In case of (set) temperature display |
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-> NO. (1) 7 seg. LED display indicates temperature of the tens digit (˚C, ˚F) |
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-> NO. (2) 7 seg. LED display indicates temperature of the units digit (˚C, ˚F) |
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In case of time (OFF TIMER) display |
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-> NO. (1) 7 seg. LED display indicates time of the tens digit |
(1) |
(2) |
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-> NO. (2) 7 seg. LED display indicates time of the units digit |
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3-4 |
Samsung Electronics |