Samsung WALL MOUNTED TYPE Technical Manual
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Samsung WALL MOUNTED TYPE Technical Manual

Samsung WALL MOUNTED TYPE Technical Manual

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AIR CONDITIONER
MODEL LINE-UP
12
SPECIFICATIONS
16
OUTLINE & DIMENSION
12
PERFORMANCE DATA
16
INSTALLATION
36
FEATURES & OPERATION
54
INVERTER MODEL
64
DIAGRAM
70
TROUBLESHOOTING
84

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Summary of Contents for Samsung WALL MOUNTED TYPE

  • Page 1 AIR CONDITIONER MODEL LINE-UP SPECIFICATIONS OUTLINE & DIMENSION PERFORMANCE DATA INSTALLATION FEATURES & OPERATION INVERTER MODEL DIAGRAM TROUBLESHOOTING...

  • Page 2: Model Line-Up

    Model Line-Up Model Identification Model Line-Up Model Line-Up...

  • Page 3: Model Identification

    Model Identification Wall Mounted Type Air Conditioner 10 11 12 Capacity Series Desti- Type Design Series Buyer (BTU) Spec nation Cooling A:Edge A: 115V~, 60Hz 1: No Auto A:Indoor unit Capacity B:Round Restart U:Outdoor unit B: 220V~, 60Hz 07: 7,000...
  • Page 4 Model Line-Up 2000R Indoor Unit Outdoor Unit Piping Unit AS07A1(A2)ME US07A1(A2)ME FSC1438E SC07ZA1(A2)/SC07ZA1(A2)A SC07ZA1(A2)XA AS09A1(A2)ME US09A1(A2)ME FSC1438E SC09ZA1(A2)/SC09ZA1(A2)A SC09ZA1(A2)X/SC09ZA1(A2)XA US12ZA1(A2)ME AS12A1(A2)ME FSC1412E SC12ZA1(A2)/SC12ZA1(A2)A SC12ZA1(A2)X/SC12ZA1(A2)XA Cooling (Steel) AS18A1(A2)RE US18A1(A2)RE Only FSC1412A SC18ZA1(A2) SC18ZA1(A2)X AS24A1(A2)RE UST24A1(A2)RE FSC1458A SC24TA1(A2) SC24TA1(A2)X AS07A3(A4)ME US07A3(A4)ME FSC1438E SC07ZA3(A4)/SC07ZA3(A4)XA SC07ZA3(A4)X/SC07ZA3(A4)XA AS09A3(A4)ME...

  • Page 6: Specifications

    Specifications Heat Pump Cooling Only Inverter Specifications...

  • Page 8: Heat Pump

    Heat Pump Model AQ09A3(4)ME/SH09ZA3(4)/SH09ZA3(4)A AQ07A3(4)ME/SH07ZA3(4)/SH07ZA3(4)A AQ12A1(2)ME/SH12ZA1(2)/SH12ZA1(2)A AQ09A1(2)ME/SH09ZA1(2)/SH09ZA1(2)A AQ07A1(2)ME/SH07ZA1(2)/SH07ZA1(2)A AQT24A1RE/AQT24A2RE/SH24TA1 AQ18A1RE/AQ18A2RE/SH18ZA1 Indoor unit Outdoor unit Item Indoor unit Outdoor unit Indoor unit Outdoor unit Indoor unit Outdoor unit Indoor unit Outdoor unit Indoor unit Outdoor unit Indoor unit Outdoor unit Type Wall-mounting Wall-mounting Wall-mounting...

  • Page 9: Cooling Only

    Cooling Only Model AS09A3(4)ME/SC09ZA3(4) AS07A3(4)ME/SC07ZA3(4) AS12A1(2)ME/SC12ZA1(2)/SC12ZA1(2)A AS09A1(2)ME/SC09ZA1(2)/SC09ZA1(2)A AS07A1(2)ME/SC07ZA1(2)/SC07ZA1(2)A AST24A1RE/AST24A2RE/SC24TA1 AS18A1RE/AS18A2RE/SC18ZA1 Item Indoor unit Outdoor unit Indoor unit Outdoor unit Indoor unit Outdoor unit Indoor unit Outdoor unit Indoor unit Outdoor unit Indoor unit Outdoor unit Indoor unit Outdoor unit Type Wall-mounting Wall-mounting Wall-mounting...
  • Page 10 Inverter Model(Indoor/Outdoor) AQV12A1ME/UQV12A1ME AQV09A1ME/UQV09A1ME Remark AQV12A2ME/UQV12A2ME AQV09A2ME/UQV09A2ME SH12VA1/SH12VA1X SH09VA1/SH09VA1X Item SH12VA2/SH12VA2X SH09VA2/SH09VA2X Power Source Ø-V-Hz 1-220/240-50 1-220/240-50 3500(2300~3950) 2630(1870~2930) Capacity Btu/h 12000(8000~13500) 9000(6400~10000) Energy efficiency ratio Btu/wh 9.1(11.0~7.8) 9.8(11.7~8.4) Cooling Air Flow /min Moisture removal Perfor- Noise level Indoor 35~39 33~37 Outdoor mance...

  • Page 12: Outline & Dimension

    Outline & Dimension Indoor Unit Outdoor Unit Outline & Dimensions...
  • Page 13 Indoor Unit Type 7K/ 9K/ 12K 190 18K/ 24K 1080 275 (Front view) Air out (Remote control) (Rear view) Installation plate 7K/ 9K/ 12K 18K/ 24K Outline & Dimensions...

  • Page 14: Outline & Dimensions

    Outdoor Unit 7K (A/C series) 9K /12K (A/C/E series) 7K /9K (B/D series) Outline & Dimensions...
  • Page 15 18K (A series) (Rear view) (Front view) 24K (A series) (Front view) (Rear view) Outline & Dimensions...

  • Page 16: Performance Data

    Performance Data Performance Data Noise Level Measurement Performance Data...
  • Page 17 Performance Data Capacity 7,000BTU <Cooling> <Heating> 9,000BTU <Cooling> <Heating> Performance Data...
  • Page 18 12,000BTU <Cooling> <Heating> 18,000BTU <Cooling> <Heating> Performance Data...
  • Page 19 24,000BTU <Cooling> <Heating> Performance Data...
  • Page 20 Inverter model 9000 BTU HIGH <Cooling> <Heating> Performance Data...
  • Page 21 <Cooling> <Heating> Performance Data...
  • Page 22 <Cooling> <Heating> Performance Data...
  • Page 23 12000 BTU HIGH <Cooling> <Heating> Performance Data...
  • Page 24 <Cooling> <Heating> Performance Data...
  • Page 25 <Cooling> <Heating> Performance Data...
  • Page 26 Cooling Capacity Correction Factors If the piping length exceed more than 5m, 7k, 9k models add refrigerator by 20g per meter. 12k, 18k models add refrigerator by 30g per meter. 24k models add refrigerator by 40g per meter. Performance Data...
  • Page 27 Noise Level Measurement Noise Level Check Point INDOOR UNIT 0.8m OUTDOOR UNIT Performance Data...
  • Page 28 “B/D” Type Noise Level Histogram(Indoor Unit) 7,000BTU <Cooling> <Heating> 9,000BTU <Cooling> <Heating> Performance Data...
  • Page 29 “B/D” Type Noise Level Histogram(Outdoor Unit) 7,000BTU <Cooling> <Heating> 9,000BTU <Cooling> <Heating> Performance Data...
  • Page 30 “A/C” Type Noise Level Histogram(Indoor Unit) 7,000BTU <Cooling> <Heating> 9,000BTU <Cooling> <Heating> 12,000BTU <Cooling> <Heating> Performance Data...
  • Page 31 “A/C” Type Noise Level Histogram (Outdoor Unit) 7,000BTU <Cooling> <Heating> 9,000BTU <Cooling> <Heating> 12,000BTU <Cooling> <Heating> Performance Data...
  • Page 32 Noise Level Histogram(Indoor Unit) 18,000BTU <Cooling> <Heating> <Heating> 24,000BTU <Cooling> <Heating> Performance Data...
  • Page 33 Noise Level Histogram(Outdoor Unit) 18,000BTU <Cooling> <Heating> 24,000BTU <Cooling> <Heating> Performance Data...
  • Page 34 Inverter Model(Indoor Unit) INV-9000BTU <Cooling> <Heating> INV-12000BTU <Cooling> <Heating> Performance Data...
  • Page 35 Inverter Model (Outdoor Unit) INV - 9,000BTU <Cooling> <Heating> INV - 12,000BTU <Cooling> <Heating> Performance Data...

  • Page 36: Table Of Contents

    Installation Selecting Area for Installation Installation Diagram of Indoor Unit and Outdoor Unit Performing Leak Tests Placing the Indoor Unit in Position Checking and Testing Operations...

  • Page 37: Selecting Area For Installation

    Selecting Area for Installation Select an area for installation that is suitable to customer’s needs. Indoor Unit 1. Make sure that you install the indoor unit in an area providing good ventilation. It must not be blocked by an obstacle affecting the airflow near the air inlet and the air outlet.
  • Page 38 Outdoor Unit 1. Make sure that you install the outdoor unit in area not exposed to the rain or direct sun light.(Install a separate sunblind if exposed to direct sun light.) 2. Make sure that you install the outdoor unit in area allowing the good air moment, not amplifying noise or vibration, especially to avoid disturbing neighbours.

  • Page 39: Installation Diagram Of Indoor Unit And Outdoor Unit

    Installation Diagram of Indoor Unit and Outdoor Unit Indoor unit gas leak test check point Drain hose installation Indoor unit Cut the piping hole sloped slightly Piping Tape vinyl Piping may be laid to the rear, left, right or down. Right Left Rear...

  • Page 40: Fixing The Installation Plate

    Installing a Breaker (18K/24K Model) You must install a breaker close to the indoor unit, to be used exclusively for the air conditioner. The following electrical characteristics must be respected. Model Power cable Assembly cable US18 3 Wire power cable 5(Cooling Only) or SC18ZA1X (above 1.5mm...

  • Page 41: Purging The Unit

    Purging the Unit On delivery, the indoor unit is loaded with an inert gas. All this gas must therefore be purged before connecting the assembly piping. To purge the inert gas, proceed as follows. Unscrew the cap at the end of each pipe. Result All inert gas escapes from the indoor unit.
  • Page 42 Connecting the Assembly Cable(Heat Pump) The outdoor unit is powered from the indoor unit via the assembly cable. (7K/9K/12K) The indoor unit is powered from the outdoor unit via the assembly cable. (18K/24K) If the outdoor unit is more than five metres away from the indoor unit, the cable must first be extended to a maximum. 7K/ 9K/ 12K Extend the assembly cable if necessary.

  • Page 43: Installing And Connecting The Indoor Unit Drain Hose

    Installing and Connecting the Indoor Unit Drain Hose Care must be taken when installing the drain hose for the indoor unit to ensure that any condensed water is correctly drained outside. When passing the drain hose through the 65mm hole drilled in the wall, check that none of the following situation occur. 5cm less The hose must The end of the drain...

  • Page 44: Outdoor Unit Installation

    Outdoor Unit Installation COOLING ONLY (18K/ 24K) Auxiliary Power S/W distributor board Auxiliary power S/W should be installed near indoor unit so Auxiliary power S/W that each access is possible.Main/Outdoor unit power cords are connected to upper/lower terminal of auxiliary power S/W. Wiring Connection OUTDOOR INDOOR...
  • Page 45 Flare Modification TOOLS USED FLARE MODIFICATION PROCEDURE 1. Cut the pipe using a pipe cutter. Oblique Roughness Burr 2. Remove burrs at the tip of the pipe cut. Pipe Reamer Burrs not removed may result in leakage of gas. Caution 3.
  • Page 46 Air-Purge Procedure The outdoor unit is loaded with sufficient R-22 refrigerant for 5 metres of piping. The air in the indoor unit and in the pipe must be purged. If air remains in the refrigeration pipes, it will affect the compressor, reduce to cooling/heating capacity and could lead to a malfuction.
  • Page 47 6. Set valve cork of both liquid side and gas side of packed valve to the open position. (liquid) (gas) 7. Mount the valve stem nuts and the service port cap to the valve, and tighten them at the torque of 18N . m with a torque wrench.
  • Page 48 Refrigerant Refill Refill an air-conditioner with refrigerant when refrigerant has been leaked at installing or using. 1. Purge air(for new installation only). 2. Turn the 3-way valve clockwise to close, connect the pressure gauge (low pressure side) to the service valve, and open the 3-way valve again.

  • Page 49: Refrigerant Adjustment

    Refrigerant Adjustment Class At installation At service Connection Air-Purge Refrigerant Air-Purge Refrigerant Pipe Length Method Adjustment Method Quantity Refer to the Unnecessary refer to Standard detailed Air-Purge Purge air using a specification sheet Procedure vacuum pump or an additional Max. Add “A”...
  • Page 50 “Pump down” Procedure Pump down will be carried out when an evaporator is replaced or when the unit is relocated in another area. 1. Remove the caps from the 2-way valve and the 3-way valve. 2. Turn the 3-way valve clockwise to close and connect a pressure gauge (low pressure side) to the service valve, and open the 3-way valve again.

  • Page 51: Performing Leak Tests

    Performing Leak Tests Before completing the installation (insulation of the cable, hose and piping and fixing of the indoor unit to the installation plate), you must check that there are no gas leaks. To check for gas leaks on the... Then, using a leak detector, check the...

  • Page 52: Placing The Indoor Unit In Position

    Placing the Indoor Unit in Position Once you have checked that there are no leaks in the system, you can insulate the piping, hose and cables and place the indoor unit on the installation plate. 1. To avoid condensation problems, place heat-resistant polyethylene foam separately around each refrigerant pipe in the lower part of the indoor unit.

  • Page 53: Checking And Testing Operations

    Checking and Testing Operations To complete the installation, perform the following checks and tests to ensure that the air conditioner is operating correctly. Review all the following elements in the installation: Installation site strength Piping connection tightness to detect any gas leakages Connection wiring Heat-resistant insulation of the piping Drainage...
  • Page 54 Features & Operation Name & Function of Key in Remote Controller Operating Recommendations Temperature and Humidity Ranges Operation Characteristics Features & Operation...

  • Page 55: Name & Function Of Key In Remote Controller

    Name & Function of Key in remote controller Name & Function of Key in Remote Controller FUNCTION OF KEY NAMED OF KEY Power On/Off button to start and stop airconditioner or timer set up Temp. up button. To increase the temperatute by the pressing (UP) the temperature button Temp.
  • Page 56 COOLING ONLY 1. AUTO MODE : In this mode, operation 5. SLEEP MODE : Sleep mode is available mode(COOL) is selected automatically by only in COOL mode. the room temperature of initial operation. 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...
  • Page 57 SWING : BLADE-H is rotated vertically by 11. SELF Diagnosis the stepping motor. LED DISPLAY *Memory louver : When ON/OFF button is TIMER STD NATURE POWER SAVING SILENCE pressed at stop state, the BLADE-H returns Check Point to its original location which is operating state before stop *Swing Set : Press the button under the...
  • Page 58 HEAT PUMP 1. AUTO MODE : In this mode, operation 4. DRY MODE : Has 3 states, each determined mode(COOL, HEAT) is selected automati- by room temperature. cally by the room temperature of initial The unit operates in DRY mode. operation.
  • Page 59 8. COMPULSORY OPERATION : OFF TIMER : The air Conditioner is turned You can select the 5 Way function with OFF at a specified time using operating mode of the air conditioner for *ON TIMER : Only timer LED lights on. more comfortable circumstances.

  • Page 60: Operating Recommendations

    Operating Recommendations Here are a few recommendations that you should follow when using your air conditioner. Topic Recommendation The heat pump absorbs heat from outside air and brings it Heating performances indoors. If the temperature of the outside air drops, the air conditioner will heat less.

  • Page 61: Temperature And Humidity Ranges

    Temperature and Humidity Ranges The following table indicates the temperature and humidity ranges within which the air conditioner can be used. If the air conditioner is used at... Then... The automatic protection feature may be triggered and High temperatures the air conditioner stopped. A water leakage or some other malfunction may Low temperatures happen if the heat exchanger freezes.

  • Page 62: Operation Characteristics

    Operation Characteristics 4-1 NON INVERTER Cooling Mode Operation When selecting the Cooling Mode Room Temp.(°C) Operation, the unit will operate according to the setting by the remote controller and Ts+1 the operation is as well as the following. Room temperature can be set in 1°C Time steps in the range of 18 to 30°C.
  • Page 63 Sleeping Operation AT COOLING MODE When you set the sleep mode, the following Ts+3 movement will start to avoid overcooling. The indoor fan speed is fixed by setting the Ts+2 remote controller. 1°C up Ts+1 The setting temperature will rise by 1°C at the 1°C up starting of operation and by 1°C one hour later.

  • Page 64: Features & Operation

    Indoor fan control in the heating mode Indoor fan is controlled depending on the temperature of indoor heat exchanger in the heating mode. INDOOR FAN CONTROL When compressor begins operating The temperature of indoor heat exchanger Indoor fan speed below 28°C 28°C ~ below 34°C LL speed 34°C ~ below 40°C...
  • Page 65 Overload protection control AT HEATING MODE 7K/ 9K/ 12K If indoor heat exchanger temp. is over 53°C, outdoor fan turns off. If indoor heat exchanger temp. is over 60°C, outdoor compressor stops and Indoor fan speed is low. After compressor and fan are off if indoor heat exchanger temp. is below 50°C, indoor fan and outdoor compressor and outdoor fan operate normally.
  • Page 66 18K/ 24K If indoor heat exchanger temp. is over 52°C, outdoor fan is low. If indoor heat exchanger temp. is over 56°C, outdoor fan turns off. If indoor heat exchanger temp. is over 60°C, outdoor compressor stops and Indoor fan speed is low. After compressor and fan are off if indoor heat exchanger temp.
  • Page 67 Low Temp Release AT COOLING MODE 7K/ 9K/ 12K First freezing protection -If the temperature of indoor heat exchanger is below 2°C for over 6minutes, the outdoor fan turns off. -If the temperature of indoor heat exchanger increase over 5°C during the first protection function, the first freezing protection function is released and the outdoor fan turns on.
  • Page 68 18K/ 24K -If the temperature of indoor heat exchanger is below 5°C, outdoor fan is low. -If the temperature of indoor heat exchanger increase over 6°C during the fan low, out- door fan is high. First freezing protection -If the temperature of indoor heat exchanger is below 2°C for over 3 minutes, outdoor fan turns off.

  • Page 69: Defrost Control

    Defrost control Defrost operation is controlled by sensing the temperature of indoor heat exchanger How to sense defrost conditions A condition The temperature of indoor heat exchanger is checked in intervals of 1 minute. In case the tempera- ture of indoor heat exchanger drops more than 0.5°C for 6 minutes, it is considered as one cycle. If it happens 3 times continuously, It is said that “...
  • Page 70 Operation pattern The others Time delay safety control The compressor is stopped for 3minutes to balance the pressure in the refrigeration cycle. (protection of compressor) Features & Operation...

  • Page 71: Auto Operation

    4-2 INVERTER Auto Operation ;It carries out cooling or heating automatically after detecting the room temperature Operating pattern room temperature(ºC) ∆T=-2, -1, 0, 1, 2ºC Cooling : Ts=24ºC + ∆T Room Temp ≥ 21ºC+∆T Heating : Ts=24ºC + ∆T Room Temp < 21ºC+∆T Operating specification room temperature ≥...

  • Page 72: Heating Operation

    Heating Operation Operating pattern Ts : Remocon setting temp. Operating specification - Compressor on : Room temp. = Setting temp(Ts)+3ºC - Compressor off : Room temp. = Setting temp(Ts)+5ºC - The fan speed of indoor unit follows the setting volume of remote control Turbo Operation Operating pattern Operating specification...
  • Page 73 Sleeping Operation Cooling operation Operating pattern Ts : Remocon setting temp. Operating specification When you set the sleep mode, the following movement will start to avoid over cooling. • The indoor fan speed is fixed by setting the remote controller. •...

  • Page 74: Dry Operation

    Dry Operation Operating pattern Operating specification A) room temperature ≥ Ts + 1 : Cooling mode control B) Ts+1 > room temperature ≥ Ts : compressor on/off control(control Hz=36Hz) C) room temperature < Ts : Monitoring control (Comp = off) Features &...
  • Page 75 Freezing protection control on cool mode Operating pattern Operating specification -1st freezing protection If the temperature of indoor heat exchanger is below 2ºC, the operating frequency of com- pressor down to Min hz(35Hz). -2nd freezing protection If the temperature of indoor heat exchanger is below -1ºC for over 9 minutes, the compressor turns off.
  • Page 76 Detrost Control in heatmode Defrost operation is controlled by sensing the temperature of outdoor unit’s heat exchanger and temperature of outdoor and accumulating time of compressor operation. How to sense defrost conditions A condition Outdoor heat exchanger operates under L1 line for over 120Mminutes. B condition When operating time of compressor without stopping for over 35minutes.
  • Page 77 Operating pattern Features & Operation...
  • Page 78 Prevention against cold wind Operating pattern (indoor H-EX) Operating specification - For about 3~5 minutes after initial operation, thermo control, Defrost, the indoor fan will either not operate or operate very slowly, then switch to the selected fan speed. - This period is to allow the indoor unit’s heat exchanger to prewarm before emitting warm air. High temperature control of Comp discharge gas - If temperature of Comp discharge gas is over 113ºC, the comp’s frequency down.
  • Page 79 Highload protection control in heat mode Operating pattern (indoor H-EX) Operating specification -1st protection ;If the indoor heat exchanger is over 58ºC, the comp hz down. hz down speed: -1hz / 1sec -2nd pretection ;If the indoor heat exchanger is over 63ºC, the comp turns off. -If the indoor heat exchanger drops under 56ºC during the first protection function, the high temperature protevtion function relase and operates normally.

  • Page 80: Inverter Model

    Inverter Model Name & Function Refrigerant Refill Pressure Graph Inverter Model...
  • Page 81 Name & Function 1. AUTO CHANGEOVER FUNCTION : 2) Mode selection during the operation *To operate in the “Auto change over” mode when set at “AUTO”mode. *According to the outdoor and indoor temper- atures while starting the operation, one of the modes from the cooling, dehumidifying and heating is selected automatically to operate.
  • Page 82 warm air. When the temperature has been raised by *High temperature release function : The total of 2°C, that temperature is main- outdoor unit for and compressor ON/OFF tained. control for safety operation, when the over- *In HEAT mode : The setting temperature heat is heat exchanger of indoor unit.

  • Page 83: Self Diagnosis

    SWING : BLADE-H is rotated vertically by Outdoor unit the stepping motor. Description *Memory louver : When ON/OFF button is LAMP of inverter PBA pressed at stop state, the BLADE-H returns : Lamp on to its original location which is operating : Lamp flickering : Lamp off state before stop...
  • Page 84 Refrigerant Refill • Refill an air-conditioner with refrigerant when refrigerant has been leaked at installing or using 1. Purge air(for new installation only). 2. Turn the 3-way valve clockwise to close, connect the pressure gauge(low pressure side) to the service valve, and open the 3-way valve again.
  • Page 85 Pressure graph • MODEL NAME : AQV12A1ME (UQV12A1ME) • MODEL NAME : AQV09A1ME (UQV09A1ME) AQV12A2ME (UQV12A2ME) AQV09A2ME (UQV09A2ME) SH12VA1(SH12VA1X) SH09VA1(SH09VA1X) SH12VA2(SH12VA2X) SH09VA2(SH09VA2X) 32.4 32.4 30.6 30.6 28.8 28.8 27.0 27.0 24.0 24.0 21.5 21.5 Outdoor inlet air DB temp.(˚C) Outdoor inlet air DB temp.(˚C) Inverter Model...

  • Page 86: Diagram

    Diagram Refrigerating Cycle Block Diagram Wiring Diagram(Cooling Only/Heat Pump) Diagram...
  • Page 87 Refrigerating Cycle Block Diagram Cooling Only Indoor unit Diagram...
  • Page 88 18,000BTU 1/4” 1/4” Air-in Indoor Unit 5/8” 1/4” 1/2” 1/2” 1/2” Air-in Outdoor Unit C-Capi Valve Packed 1/2” Valve Packed 1/4” Diagram...
  • Page 89 24,000BTU 1/4” 1/4” Air-in Indoor Unit 5/8” 1/4” 1/2” 5/8” 5/8” Air-in Outdoor Unit Muffler C-Capi Valve Packed 1/4” Valve Packed 5/8” Diagram...
  • Page 90 Heat Pump/ Inverter Indoor unit Diagram...
  • Page 91 18,000BTU 1/4” 1/4” Air-in Indoor Unit 5/8” 1/2” 1/4” 1/2” 1/2” Valve-4 Way Air-in Outdoor Unit C-Capi H-Capi Check-Valve Cooling Heating Valve Packed 1/4” Valve Packed 1/2” Diagram...
  • Page 92 24,000BTU 1/4” 1/4” Air-in Indoor Unit 1/4” 5/8” 1/2” 5/8” 5/8” Valve-4 Way Air-in Outdoor Unit Muffler C-Capi H-Capi Check-Valve Cooling Heating Valve Packed 1/4” Valve Packed 5/8” Diagram...
  • Page 93 Wiring Diagram Cooling Only INDOOR UNIT 7K/ 9K/ 12K 18K/ 24K Diagram...
  • Page 94 OUTDOOR UNIT 7K/ 9K/ 12K 18K/ 24K Diagram...
  • Page 95 Heat Pump INDOOR UNIT 7K/ 9K/ 12K 18K/ 24K Diagram...
  • Page 96 OUTDOOR UNIT 7K/ 9K/ 12K 18K/ 24K Diagram...
  • Page 97 Inverter INDOOR UNIT Diagram...
  • Page 98 OUTDOOR UNIT (LAMP : LAMP ON : LAMP FLICKERING : LAMP OFF LAMP of inverter PBA Description YELLOW BLUE Normal operation and communication(Indoor - Outdoor unit) Abnormal communication(Indoor - Outdoor unit) Trouble of the control power of the outdoor Abnormal increase of heatsink temperature Abnormal increase of discharge temperature Abnormal increase of operation current Abnormal increase of OLP temperature...
  • Page 99 Troubleshooting Troubleshooting for Non Inverter Cooling Only (7K/9K/12K) Troubleshooting for Non Inverter Heat Pump (7K/9K/12K) Troubleshooting for Non Inverter Cooling Only (18K/24K) Troubleshooting for Non Inverter Heat Pump (18K/24K) Troubleshooting for Inverter Set up the Model Option Troubleshooting...

  • Page 100: Troubleshooting For Non Inverter Cooling Only (7K/9K/12K)

    Troubleshooting for Non Inverter Cooling Only (7K/ 9K/ 12K) Items to be checked first 1) The input voltage should be rating voltage 10% range. The airconditioner may not operate properly if the voltage is out of this range. 2) Is the link cable linking the indoor unit and the outdoor unit linked properly? The indoor unit and the outdoor unit shall be linked by 5 cables.
  • Page 101 Fault Diagnosis by Symptom No Power (completely dead)-Initial diagnosis No Power (completely dead)-Initial diagnosis 1) Checklist : (1) Is input voltage normal? (2) Is AC power linked correctly? (3) Is output voltage of DC regulator IC KA7805 (IC02) normal? (4.5VDC-5.5VDC) Troubleshooting procedure Unplug the power cord and plug it after 5 seconds...
  • Page 102 When the Indoor Unit Fan Does Not Operate. (Initial Diagnosis) 1) Checklist : (1) Is the indoor unit fan motor properly connected with the connector (CN72)? (2) Is the AC voltage correct? (3) Is HALL IC in indoor fan motor properly connected with the connector (CN42)? (4) Is the running capacitor (CR71) properly connected with PCB board? 2) Troubleshooting procedure After unplugging out the power cord should...
  • Page 103 When the Outdoor Unit Does Not Operate. (Initial Diagnosis) Checklist : (1) Is input voltage normal? (2) Is the set temperature of the remote control higher than room temperature in COOL mode? (3) Is the POWER IN connector (CN71) linked correctly? (4) Is the outdoor unit properly connected with the TERMINAL BLOCK connector((N1), 1)? Troubleshooting procedure After unplugging out the power cord should be...
  • Page 104 When the UP/DOWN Louver Moter Does Not Operate. (Initial Diagnosis) Checklist : (1) Is input voltage normal? (2) Is the UP/DOWN louver motor properly connected with the connector (CN61)? Troubleshooting procedure Remove power cord and plug in again in approx. 5 seconds. Is STD lamp blinking? Check as in the procedure "No Power parts".
  • Page 105 If Operation By Remote Control Unit Is Impossible. (Initial Diagnosis) Troubleshooting procedure Remove power cord and plug in again approx. 5 Seconds Is operation lamp blinking? Check as in the procedure “NO Power parts”. “ “ sound heard from the indoor unit when ON/OFF Normal button on the remote control unit pushed? Voltage of battery less than 2.5V (Remote Control Unit)?

  • Page 106: Troubleshooting For Non Inverter Heat Pump (7K/9K/12K)

    Troubleshooting for Non Inverter Heat Pump (7K/9K/ 12K) Items to be checked first 1) The input voltage should be rating voltage 10% range. The airconditioner may not operate properly if the voltage is out of this range. 2) Is the link cable linking the indoor unit and the outdoor unit linked properly? The indoor unit and the outdoor unit shall be linked by 5 cables.
  • Page 107 Fault Diagnosis by Symptom No Power (completely dead)-Initial diagnosis 1) Checklist : (1) Is input voltage normal? (2) Is AC power linked correctly? (3) Is output voltage of DC regulator IC KA7805 (IC02) normal? (4.5VDC-5.5VDC) Troubleshooting procedure Unplug the power cord and plug it after 5 seconds operate Press the on/off switch...
  • Page 108 When the Indoor Unit Fan Does Not Operate. (Initial Diagnosis) 1) Checklist : (1) Is the indoor unit fan motor properly connected with the connector (CN72)? (2) Is the AC voltage correct? (3) Is HALL IC in indoor fan motor properly connected with the connector (CN42)? (4) Is the running capacitor (CR71) properly connected with PCB board? 2) Troubleshooting procedure After unplugging out the power cord should...
  • Page 109 When the Outdoor Unit Does Not Operate. (Initial Diagnosis) Checklist : (1) Is input voltage normal? (2) Is the set temperature of the remote control higher than room temperature in COOL mode? (3) Is the set temperature of the remote control lower than room temperature in HEAT mode? (4) Is the POWER IN connector (CN71) linked correctly? (5) Is the outdoor unit properly connected with the TERMINAL BLOCK connector((N1), 1, 2, 3)? Troubleshooting procedure...
  • Page 110 When the UP/DOWN Louver Moter Does Not Operate. (Initial Diagnosis) Checklist : (1) Is input voltage normal? (2) Is the UP/DOWN louver motor properly connected with the connector (CN61)? Troubleshooting procedure Remove power cord and plug in again in approx. 5 seconds. Is STD lamp blinking? Check as in the procedure "No Power parts".
  • Page 111 If Operation By Remote Control Unit Is Impossible. (Initial Diagnosis) Troubleshooting procedure Remove power cord and plug in again approx. 5 Seconds Is operation lamp blinking? Check as in the procedure “NO Power parts”. Refer to page 5-2. “ “ sound heard from the indoor unit when ON/OFF Normal button on the remote control unit pushed? Replace battery.

  • Page 112: Troubleshooting For Non Inverter Cooling Only (18K/24K)

    Troubleshooting for Non Inverter Cooling Only (18K/24K) Items to be checked first Items to be checked first 1) The input voltage should be rating voltage 10% range. The airconditioner may not operate properly if the voltage is out of this range. 2) Is the link cable linking the indoor unit and the outdoor unit linked properly? The indoor unit and the outdoor unit shall be linked by 6 cables.
  • Page 113 Fault Diagnosis by Symptom No Power (completely dead)-Initial diagnosis 1) Checklist : (1) Is input voltage normal? the rating voltage ±10% range. (2) Is AC power linked correctly? (3) Are connections between primary side, secondary side of the power transformer and PCB good. (4) Is input voltage of DC regulator IC KA7805 (IC02) normal? (11VDC-12.5VDC) (5) Is output voltage of DC regulator IC KA7805 (IC02) normal? (4.5VDC-5.5VDC) Troubleshooting procedure...
  • Page 114 When the Indoor Unit Fan Does Not Operate. (Initial Diagnosis) 1) Checklist : (1) Is the indoor unit fan motor properly connected with the connector (CN73)? (2) Is the AC voltage correct? (3) Is HALL IC in indoor fan motor properly connected with the connector (CN43)? (4) Is the running capacitor properly connected with the solder part of the PCB? 2) Troubleshooting procedure After unplugging out the power cord should...
  • Page 115 When the Outdoor Unit Does Not Operate. (Initial Diagnosis) Checklist : (1) Is input voltage normal? (rating voltage ±10% range) (2) Is the set temperature of the remote control higher than room temperature in COOL mode? (3) Is the set temperature of the remote control lower than room temperature in HEAT mode? (4) Is the POWER IN connector (CN78) linked correctly? (5) Is the outdoor unit properly connected with the TERMINAL BLOCK connector(6P)? Troubleshooting procedure...
  • Page 116 When the UP/DOWN Louver Moter Does Not Operate. (Initial Diagnosis) Checklist : (1) Is input voltage normal? (input voltage ±10% range) (2) Is the UP/DOWN louver motor properly connected with the connector (CN61)? Troubleshooting procedure Remove power cord and plug in again in approx. 5 seconds. Is operating lamp blinking? Check as in the procedure "No Power parts".
  • Page 117 If Operation By Remote Control Unit Is Impossible. (Initial Diagnosis) Troubleshooting procedure Remove power cord and plug in again approx. 5 Seconds Is operation lamp blinking? Check as in the procedure “NO Power parts”. “ “ sound heard from the indoor unit when ON/OFF Normal button on the remote control unit pushed? Voltage of battery less than 2.5V (Remote Control Unit)?

  • Page 118: Troubleshooting For Non Inverter Heat Pump (18K/24K)

    Troubleshooting for Non Inverter Heat Pump (18K/ 24K) Items to be checked first 1) The input voltage should be rating voltage 10% range. The airconditioner may not operate properly if the voltage is out of this range. 2) Is the link cable linking the indoor unit and the outdoor unit linked properly? The indoor unit and the outdoor unit shall be linked by 6 cables.
  • Page 119 Fault Diagnosis by Symptom No Power (completely dead)-Initial diagnosis 1) Checklist : (1) Is input voltage normal? (the rating voltage ±10% range) (2) Is AC power linked correctly? (3) Are connections between primary side, secondary side of the power transformer and PCB good. (4) Is input voltage of DC regulator IC KA7805 (IC02) normal? (11VDC-12.5VDC) (5) Is input voltage of DC regulator IC KA7805 (IC02) normal? (4.5VDC-5.5VDC) Troubleshooting procedure...
  • Page 120 When the Indoor Unit Fan Does Not Operate. (Initial Diagnosis) 1) Checklist : (1) Is the indoor unit fan motor properly connected with the connector (CN73)? (2) Is the AC voltage correct? (3) Is HALL IC in indoor fan motor properly connected with the connector (CN43)? (4) Is the running capacitor properly connected with the solder part of the PCB? 2) Troubleshooting procedure After unplugging out the power cord should...
  • Page 121 When the Outdoor Unit Does Not Operate. (Initial Diagnosis) Checklist : (1) Is input voltage normal? (the rating voltage ±10% range) (2) Is the set temperature of the remote control higher than room temperature in COOL mode? (3) Is the set temperature of the remote control lower than room temperature in HEAT mode? (4) Is the POWER IN connector (CN78) linked correctly? (5) Is the outdoor unit properly connected with the TERMINAL BLOCK connector(7P)? Troubleshooting procedure...
  • Page 122 When the UP/DOWN Louver Moter Does Not Operate. (Initial Diagnosis) Checklist : (1) Is input voltage normal? (the rating voltage ±10% range) (2) Is the UP/DOWN louver motor properly connected with the connector (CN61)? Troubleshooting procedure Remove power cord and plug in again in approx. 5 seconds. Is operating lamp blinking? Check as in the procedure "No Power parts".
  • Page 123 If Operation By Remote Control Unit Is Impossible. (Initial Diagnosis) Troubleshooting procedure Remove power cord and plug in again approx. 5 Seconds Is operation lamp blinking? Check as in the procedure “NO Power parts”. “ “ sound heard from the indoor unit when ON/OFF Normal button on the remote control unit pushed? Replace battery.

  • Page 124: Troubleshooting For Inverter

    Troubleshooting for Inverter Since the inverter air conditioner is equipped with Electrical control circuits at both Indoor & outdoor unit, the trouble shooting shall be performed according to the error mode. Inside the controller of the outdoor unit (inverter), the large capacity of electrolytic condenser so that it takes the time to discharge after the power off since the electrical charge remains (the charging voltage DC 340V).
  • Page 125 The first determination method of troubled part Error mode display of indoor unit Air filter Air Inlet Air flow blades (outlet) (under the grille) Inverter Power Moniter indicator (Only the Inverter models) Timer indicator Remote Control Sensor SAVING indicator STANDARD indicator SILENCE indicator NATURE indicator Turbo indicator...
  • Page 126 Error mode display of outdoor unit board Description LAMP of inverter PBA : LAMP ON : LAMP FLICKERING BLUE YELLOW : LAMP OFF Normal operation and communication(Indoor - Outdoor unit) Abnormal communication(Indoor - Outdoor unit) Trouble of the control power of the outdoor Abnormal increase of heatsink temperature Abnormal increase of discharge temperature Abnormal increase of operation current...
  • Page 127 Sequence of trouble shooting for inverter aircon OPERATION START . The indoor unit does not work even though the power is plugged. Check the indoor unit control board. (A) . There is no sound “Ding” . The lamp is not on the display. The indoor unit does not work when Checking the Remocon.
  • Page 128 Check of indoor unit control board Unplug the power cord and plug it after 5 seconds. press the on/off switch located in indoor unit inside to operate the air conditioner. •If the air conditioner operates, check the remocon and indoor unit display board. •If the air conditioner does not operate, check according to the sequence of the followings: Check sequence of indoor unit control board Step 1 : Check whether two wires of power cord (Sky-blue, brown) are connected correctly to the...
  • Page 129 Check of indoor unit fan motor Check whether the wire of fan motor is connected to the connector of control board (CN42, CN71) of indoor unit. Check whether the error mode displays after the strong revolution for approximately 15 seconds since aircon is on.
  • Page 130 Check of discharge temperature sensor and comp top OLP temperature sensor. Connector of outdoor unit control board (PIN#3,4 of CN51 - discharge temperature sensor), (PIN#1,2 of CN52-OLP Temperature sensor) Measure the resistance between two wires and if it is same as follows, it is normal but if not, replace.
  • Page 131 Check of instantaneous over-current protection of IPM circuit. Inverter instantaneous over-current protection mode is the mode to be actuated in order to prevent the damage of elements from the peak current of IPM circuit elements. In case that the inverter circuit instantaneous over-current protection mode actuates. (condition of installation) ♦The ventilation is not good because the outdoor unit is installed wrong (the ambient tempera- ture is higher than 50 (°C) )

  • Page 132: Fault Diagnosis Of Major Parts

    (Unit defect) ♦If the comp is locked. -> Replace the comp. ♦If the comp is operating without the revolution of fan motor -> Take out the protection cover. -> Check the fan motor connector and replace the fan motor. Fault Diagnosis of Major Parts Parts Diagnosis ♦...

  • Page 133: Set Up The Model Option

    Set up the Model Option If you make the replacement of the ASS’Y CONTROL-IN or MAIN PCB , Be sure to be set up the model option as follow the steps Remote controller operation Applicable key Display status method as per the step 1st step Method) 1 Remove the battery of...
  • Page 134 Remote controller operation Applicable key Display status method as per the step 4th step Method) After completion of 3rd step, and if the MODE KEY is pressed once, 1. 1~3 steps are saved inter- nally 2. If the first number at the time is “1”, it is correct and so go to 5th step If pressing mode key and...
  • Page 135 <Table of the option code> Non Inverter Cooling Only (7K/ 9K/ 12K) MODEL OPTION CODE AS09A3ME 010000-1700d9 SC09ZA3/A AS07A3ME 010000-1700b7 SC07ZA3/A AS09A4ME 000000-1700d9 SCO9ZA4/A AS07A4ME 000000-1700b7 SCO7ZA4/A AS12A1ME 010000-17021d SC12ZA1/A AS09A1ME 010000-1700d9 SC09ZA1/A AS07A1ME 010000-1700b7 SC07ZA1/A AS12A2ME 000000-17021d SC12ZA2/A AS09A2ME 000000-1700d9 SCO9ZA2/A AS07A2ME...
  • Page 136 <Table of the option code> Non Inverter Heat pump (7K/ 9K/ 12K) MODEL OPTION CODE AQ09A3ME 016825-1700d9 SH09ZA3/A AQ07A3ME 014825-1700b7 SH07ZA3/A AQ09A4ME 006825-1700d9 SHO9ZA4/A AQ07A4ME 004825-1700b7 SHO7ZA4/A AQ12A1ME 017d25-17021d SH12ZA1/A AQ09A1ME 016A25-1700d9 SH09ZA1/A AQ07A1ME 014825-1700b7 SH07ZA1/A AQ12A2ME 007d25-17021d SH12ZA2/A AQ09A2ME 006A25-1700d9 SHO9ZA2/A AQ07A2ME...
  • Page 137 <Table of the option code> Inverter (9K/ 12K) MODEL OPTION CODE AQV12A2ME 005212-10123F SH12VA2 AQV09A2ME 006500-1010FB SH09VA2 AQV12A1ME 015212-10123F SH12VA1 AQV09A1ME 016500-1010FB SHO9VA1 Troubleshooting...
  • Page 138 <Table of the option code> Non Inverter Cooling Only & Heat pump (18K/ 24K) REMOCON SEG1 SEG2 SEG3 SEG4 SEG5 SEG6 SEG7 SEG8 SEG9 SEG10 SEG11 SEG12 MODEL AQT24A1(2)RE SH24TA1 AQT24A2RE AQT24A2RB AST24A1RE SC24TA1 AST24A2RE AST24A2RB AQT18A1RE SH18TA1 AQT18A2RE AQT18A2RB AQ18A1RE SH18ZA1 AQ18A2RE...
  • Page 139 ELECTRONICS © Samsung Electronics Co., Ltd. Mar. 2000. Printed in Korea. Code No. DB81-00150A(2)

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