Fujitsu ASTG18KMCA Technical Manual

Wall mounted type
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AIR CONDITIONER
Wall Mounted type
DESIGN & TECHNICAL MANUAL
INDOOR
OUTDOOR
ASTG18KMCA
ASTG22KMCA
ASTG24KMCA
AOTG18KMCA
AOTG22KMCA
AOTG24KMCA
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  Summary of Contents for Fujitsu ASTG18KMCA

  • Page 1 AIR CONDITIONER Wall Mounted type DESIGN & TECHNICAL MANUAL INDOOR ASTG18KMCA ASTG22KMCA ASTG24KMCA OUTDOOR AOTG18KMCA AOTG22KMCA AOTG24KMCA...
  • Page 2: Indoor Unit

    1. INDOOR UNIT WALL MOUNTED TYPE: ASTG18KMCA ASTG22KMCA ASTG24KMCA DTR_AS082E_02 2013.09.13...
  • Page 3: Table Of Contents

    CONTENTS 1. INDOOR UNIT 1. FEATURES ......................01 - 01 2. WIRELESS REMOTE CONTROLLER ..........01 - 03 3. SPECIFICATIONS ....................01 - 05 4. DIMENSIONS ......................01 - 06 5. WIRING DIAGRAMS ..................01 - 08 6. CAPACITY TABLE ....................
  • Page 4: Features

    FEATURES „ „ MODEL ASTG18KMCA / AOTG18KMCA ASTG22KMCA / AOTG22KMCA ASTG24KMCA / AOTG24KMCA „ „ FEATURES Energy efficiency „ MODEL ASTG18KMCA ASTG22KMCA ASTG24KMCA Cooling STAR RATING INDEX Heating High efficient compact design z More comfortable airflow „ Cross section of...
  • Page 5 Energy saving control „ Human sensor catches movements of people in a room, and operates with lower capacity when the room is empty. When people come back to the room, it automatically returns to the previous operating mode. Energy saving operation by detecting someone’s movement Human sensor 10°C HEAT operation...
  • Page 6: Wireless Remote Controller

    WIRELESS REMOTE CONTROLLER „ „ FEATURES  5 mode timer setup available (ON / OFF / WEEKLY / PROGRAM / SLEEP).  Easy operation.  Easy to change custom code (max. 4 custom codes) by button operation. Built-in timers „ Select from 5 different timer programs (ON / OFF / WEEKLY / PROGRAM / SLEEP).
  • Page 7 „ „ FUNCTIONS SENSOR button Signal transmitter MODE button FAN button 10°C HEAT button ECONOMY button SWING button TEMP. button OUTDOOR UNIT SET button LOW NOISE button POWERFUL button WEEKLY button TIMER SETTING button REF3E Start/Stop ON/OFF button button SEND button SLEEP button SELECT button RESET button...
  • Page 8: Specifications

    SPECIFICATIONS WALL MOUNTED Type INVERTER HEAT PUMP Model name ASTG18KMCA ASTG22KMCA ASTG24KMCA Power source 240 V ~ 50 Hz Available voltage range 198 V - 264 V Cooling Star rating index 10-star standard Heating 5.00 6.00 7.10 Rated Btu/h 17,100...
  • Page 9: Dimensions

    DIMENSIONS „ „ MODELS: ASTG18KMCA, ASTG22KMCA, ASTG24KMCA (Unit: mm) - (01 - 06) -...
  • Page 10 „ „ INSTALLATION PLACE (Unit: mm) - (01 - 07) -...
  • Page 11: Wiring Diagrams

    WIRING DIAGRAMS „ „ MODELS: ASTG18KMCA, ASTG22KMCA, ASTG24KMCA - (01 - 08) -...
  • Page 12: Capacity Table

    CAPACITY TABLE 6-1. COOLING CAPACITY „ „ MODEL : ASTG18KMCA 15.5 Indoor temperature °CDB °CWB °CDB 4.57 3.02 0.86 5.09 3.04 0.87 5.27 3.31 0.88 5.61 3.32 0.89 5.79 3.58 0.89 6.14 3.57 0.90 6.48 3.80 0.91 4.37 2.95 0.96 4.87...
  • Page 13: Heating Capacity

    6-2. HEATING CAPACITY „ „ MODEL : ASTG18KMCA 15.5 Indoor temperature (°CDB) (°CDB) (°CWB) 6.57 2.64 6.42 2.70 5.88 2.76 6.10 2.81 5.95 2.87 7.02 2.69 6.85 2.74 6.49 2.80 6.52 2.86 6.35 2.91 7.51 2.80 7.33 2.86 7.06 2.91 6.97...
  • Page 14: Fan Performance

    FAN PERFORMANCE 7-1. AIR VELOCITY DISTRIBUTION „ „ MODEL : ASTG18KMCA Unit: m/s Top view Conditions: Vertical airflow direction louver: Up Horizontal airflow direction louver: Center Fan speed : HIGH Operation mode : FAN Unit: m/s Top view Vertical airflow direction louver: Up Horizontal airflow direction louver: Right &...
  • Page 15 „ „ MODEL : ASTG22KMCA Unit: m/s Top view Conditions: Vertical airflow direction louver: Up Horizontal airflow direction louver: Center Fan speed : HIGH Operation mode : FAN Unit: m/s Top view Vertical airflow direction louver: Up Horizontal airflow direction louver: Right & Left Unit: m/s Side view Vertical airflow direction louver: Up...
  • Page 16 „ „ MODEL : ASTG24KMCA Unit: m/s Top view Conditions: Vertical airflow direction louver: Up Horizontal airflow direction louver: Center Fan speed : HIGH Operation mode : FAN Unit: m/s Top view Vertical airflow direction louver: Up Horizontal airflow direction louver: Right & Left Unit: m/s Side view Vertical airflow direction louver: Up...
  • Page 17: Airflow

    7-2. AIRFLOW „ „ MODEL : ASTG18KMCA Cooling „ Number of Fan speed Airflow rotations (r.p.m.) HIGH 1240 1040 QUIET Heating „ Number of Fan speed Airflow rotations (r.p.m.) HIGH 1240 1040 QUIET - (01 - 14) -...
  • Page 18 „ „ MODEL : ASTG22KMCA Cooling „ Number of Fan speed Airflow rotations (r.p.m.) 1000 HIGH 1320 1100 QUIET Heating „ Number of Fan speed Airflow rotations (r.p.m.) 1000 HIGH 1320 1100 QUIET - (01 - 15) -...
  • Page 19 „ „ MODEL : ASTG24KMCA Cooling „ Number of Fan speed Airflow rotations (r.p.m.) 1120 HIGH 1400 1100 QUIET Heating „ Number of Fan speed Airflow rotations (r.p.m.) 1120 HIGH 1400 1100 QUIET - (01 - 16) -...
  • Page 20: Operation Noise (Sound Pressure)

    OPERATION NOISE (SOUND PRESSURE) 8-1. NOISE LEVEL CURVE „ „ MODEL : ASTG18KMCA Cooling Heating „ „ NC-65 NC-65 NC-60 NC-60 NC-55 NC-55 NC-50 NC-50 High High NC-45 NC-45 NC-40 NC-40 NC-35 NC-35 NC-30 NC-30 Quiet NC-25 NC-25 Quiet NC-20...
  • Page 21 „ „ MODEL : ASTG24KMCA Cooling Heating „ „ NC-65 NC-65 NC-60 NC-60 NC-55 NC-55 NC-50 NC-50 High High NC-45 NC-45 NC-40 NC-40 NC-35 NC-35 NC-30 NC-30 NC-25 NC-25 Quiet Quiet NC-20 NC-20 NC-15 NC-15 1,000 2,000 4,000 8,000 1,000 2,000 4,000 8,000...
  • Page 22: Sound Level Check Point

    8-2. SOUND LEVEL CHECK POINT - (01 - 19) -...
  • Page 23: Electrical Characteristics

    ELECTRICAL CHARACTERISTICS Model name ASTG18KMCA ASTG22KMCA ASTG24KMCA Voltage 240 ~ Power supply Frequency Max. operating current 0.35 Connection cable 1.5 - 2.5 Wiring spec. Limited wiring length NOTES on Wiring spec.: Selected sample based on Japan Electrotechnical Standards and Codes Committee E0005.
  • Page 24: Safety Devices

    SAFETY DEVICES Model Protection form ASTG18KMCA ASTG22KMCA ASTG24KMCA Current fuse (PC board) Circuit protection 250 V 3.15 A OFF: 150 ± 15 °C Fan motor protection Thermal protector program ON: 120 ± 15 °C - (01 - 21) -...
  • Page 25: External Input & Output

    EXTERNAL INPUT & OUTPUT INPUT OUTPUT Connector REMARKS CNA01 Control input See external input/output settings CNB01 Operation status output for details. CNB02 Error status output 11-1. EXTERNAL INPUT CONTROL INPUT (Operation/Stop or Forced stop) „ „ The air conditioner can be remotely operated by means of the following on-site work. "Operation/Stop"...
  • Page 26: External Output

    11-2. EXTERNAL OUTPUT „ „ OPERATION STATUS OUTPUT An air conditioner operation status signal can be output. Circuit diagram example „ Indoor unit control PC board Communication kit Connected unit Connector DC 24 V Ex.) Relay unit Ex.) Display Relay power supply 10 m*...
  • Page 27 „ „ ERROR STATUS OUTPUT An air conditioner error status signal can be output. Circuit diagram example „ Indoor unit control PC board Communication kit Connected unit Connector DC 24 V Ex.) Relay unit Ex.) Display Relay power supply 10 m* Signal Optional parts Field supply...
  • Page 28: Function Settings

    FUNCTION SETTINGS INDOOR UNIT (Setting by remote controller) 12-1. • The function settings of the control of the indoor unit can be changed by this procedure according to the installation conditions. Incorrect settings can cause the indoor unit malfunction. • After the power is turned on, perform the "FUNCTION SETTING"...
  • Page 29 „ „ FUNCTION DETAILS Functions 1) Filter sign 2) Room temperature control for cooling 3) Room temperature control for heating 4) Auto restart 5) Room temperature sensor switching 6) Remote controller custom code 7) External input control 8) Indoor unit fan control for energy saving for cooling 1) Filter sign Select appropriate intervals for displaying the filter sign on the indoor unit according to the estimated amount of dust in the air of the room.
  • Page 30 4) Auto restart Enable or disable automatic restart after a power interruption. (  ... Factory setting) Setting description Function number Setting value  Enable Disable * Auto restart is an emergency function such as for power outage etc. Do not attempt to use this function in normal operation. Be sure to operate the unit by remote controller or external input device.
  • Page 31 „ „ REMOTE CONTROLLER CUSTOM CODE SETTING Use the following steps to select the custom code of the remote controller. (Note that the air conditioner cannot receive a custom if the right custom code has not been set.) (1) Press the START/STOP ( / ) button until only the clock is displayed on the remote controller display.
  • Page 32: Optional Parts

    OPTIONAL PARTS 13-1. CONTROLLERS Exterior Parts name Model No. Summary Large and full-dot liquid crystal screen, wide and large keys Wired remote easy to press, user-intuitive UTY-RVNYN arrow key. controller *Optional communication kit is necessary for installation. The room temperature can be controlled by detecting the Wired remote temperature accurately with...
  • Page 33 2. OUTDOOR UNIT SINGLE TYPE: AOTG18KMCA AOTG22KMCA AOTG24KMCA DTR_AO144E_02 2013.09.13...
  • Page 34 CONTENTS 2. OUTDOOR UNIT 1. SPECIFICATIONS ....................02 - 01 2. DIMENSIONS ......................02 - 02 3. REFRIGERANT CIRCUIT ................02 - 04 4. WIRING DIAGRAMS ..................02 - 05 5. CAPACITY COMPENSATION RATE FOR PIPE LENGTH AND HEIGHT DIFFERENCE ..............
  • Page 35: Specifications

    SPECIFICATIONS Type INVERTER HEAT PUMP Model name AOTG18KMCA AOTG22KMCA AOTG24KMCA Power source 240 V ~ 50 Hz Available voltage range 198 V - 264 V Starting current Airflow Cooling 569 (2,050) 622 (2,240) 739 (2,660) rate Heating 500 (1,800) 681 (2,450) 681 (2,450) Type ×...
  • Page 36: Dimensions

    DIMENSIONS „ • MODEL : AOTG18KMCA, AOTG22KMCA, AOTG24KMCA (Unit: mm) Top view Side view Front view Side view Airflow Drain port Ø20 4-Ø11.3 mm hole Bottom view - (02 - 02) -...
  • Page 37 „ • INSTALLATION PLACE (Unit: mm) 100 or more 100 or more 200 or more • • If the space is larger than stated, the condition will be the same as those without any obstacles. Height above the floor level should be 50 mm or more. •...
  • Page 38: Refrigerant Circuit

    REFRIGERANT CIRCUIT „ • MODEL : AOTG18KMCA, AOTG22KMCA, AOTG24KMCA Refrigerant pipe diameter Liquid: 1/4" (6.35 mm) Gas: 1/2" (12.70 mm) - (02 - 04) -...
  • Page 39: Wiring Diagrams

    WIRING DIAGRAMS „ • MODEL : AOTG18KMCA, AOTG22KMCA, AOTG24KMCA - (02 - 05) -...
  • Page 40: Capacity Compensation Rate For Pipe Length And Height Difference

    CAPACITY COMPENSATION RATE FOR PIPE LENGTH AND HEIGHT DIFFERENCE „ • MODEL : AOTG18KMCA Pipe length (m) COOLING 0.926 0.925 0.923 Û 1 0.975 0.958 0.942 0.940 0.939 Indoor unit is higher than 0.988 0.979 0.962 0.946 0.944 0.943 outdoor unit. 0.991 0.992 0.983...
  • Page 41 „ • MODEL : AOTG22KMCA Pipe length (m) COOLING 0.921 0.919 0.918 Û 1 0.974 0.955 0.936 0.934 0.933 Indoor unit is higher than 0.988 0.978 0.959 0.940 0.938 0.937 outdoor unit. 0.992 0.992 0.982 0.963 0.943 0.942 0.940 Height difference H 1.000 1.000...
  • Page 42 „ • MODEL : AOTG24KMCA Pipe length (m) COOLING 0.921 0.919 0.918 Û 1 0.974 0.955 0.936 0.934 0.933 Indoor unit is higher than 0.988 0.978 0.959 0.940 0.938 0.937 outdoor unit. 0.992 0.992 0.982 0.963 0.943 0.942 0.940 Height difference H 1.000 1.000...
  • Page 43: Additional Charge Calculation

    ADDITIONAL CHARGE CALCULATION „ • MODELS : AOTG18KMCA, AOTG22KMCA ,AOTG24KMCA Refrigerant type Refrigerant amount 1270 • Refrigerant charge Total pipe length 20 or less 30 (Max.) 20 g/m Additional charge - (02 - 09) -...
  • Page 44: Airflow

    AIRFLOW „ • MODEL : AOTG18KMCA • Cooling Number of Airflow rotations (r.p.m.) 2,050 1,207 • Heating Number of Airflow rotations (r.p.m.) 1,800 1,059 „ • MODEL : AOTG22KMCA • Cooling Number of Airflow rotations (r.p.m.) 2,240 1,318 • Heating Number of Airflow rotations...
  • Page 45 „ • MODEL : AOTG24KMCA • Cooling Number of Airflow rotations (r.p.m.) 2,660 1,566 • Heating Number of Airflow rotations (r.p.m.) 2,450 1,442 - (02 - 11) -...
  • Page 46: Operation Noise (Sound Pressure)

    OPERATION NOISE (SOUND PRESSURE) 8-1. NOISE LEVEL CURVE „ • MODEL : AOTG18KMCA • • Cooling Heating NC-65 NC-65 NC-60 NC-60 NC-55 NC-55 NC-50 NC-50 NC-45 NC-45 NC-40 NC-40 NC-35 NC-35 NC-30 NC-30 NC-25 NC-25 NC-20 NC-20 NC-15 NC-15 1,000 2,000 4,000 8,000...
  • Page 47 „ • MODEL : AOTG24KMCA • • Cooling Heating NC-65 NC-65 NC-60 NC-60 NC-55 NC-55 NC-50 NC-50 NC-45 NC-45 NC-40 NC-40 NC-35 NC-35 NC-30 NC-30 NC-25 NC-25 NC-20 NC-20 NC-15 NC-15 1,000 2,000 4,000 8,000 1,000 2,000 4,000 8,000 Octave band center frequency, Hz Octave band center frequency, Hz - (02 - 13) -...
  • Page 48: Sound Level Check Point

    8-2. SOUND LEVEL CHECK POINT - (02 - 14) -...
  • Page 49: Electrical Characteristics

    ELECTRICAL CHARACTERISTICS Model name AOTG18KMCA AOTG22KMCA AOTG24KMCA Voltage 240 ~ Power supply Frequency Max. operating current * 13.5 16.0 Starting current Circuit breaker current Wiring spec. * Power cable Use conformed cable with Type 60245 IEC 57. *1: The maximum current is the total current of indoor unit and outdoor unit. *2: Selected sample based on Japan Electrotechnical Standards and Codes Committee E0005.
  • Page 50: Safety Devices

    SAFETY DEVICES Model Protection form AOTG18KMCA AOTG22KMCA AOTG24KMCA Current fuse (Near the terminal) Circuit protection 250 V 25 A Current fuse (Main PC board) 250 V 5 A OFF: 100 ± 15 °C Fan motor protection Thermal protection program ON: 95 ± 10 °C OFF: 110 °C Thermal protection program Compressor protection...

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