Fujitsu ARTH30KMTAP Design & Technical Manual
Fujitsu ARTH30KMTAP Design & Technical Manual

Fujitsu ARTH30KMTAP Design & Technical Manual

Hide thumbs Also See for ARTH30KMTAP:
Table of Contents

Advertisement

AIR CONDITIONER
Duct type
DESIGN & TECHNICAL MANUAL
INDOOR
OUTDOOR
ARTH30KMTAP
ARTH36KMTAP
ARTH45KMTAP
ARTH54KMTAP
AOTH30KBTA
AOTH36KBTA
AOTH45KBTA
AOTH54KBTA
DR_AR058EF_01
2021.12.16

Advertisement

Table of Contents
loading
Need help?

Need help?

Do you have a question about the ARTH30KMTAP and is the answer not in the manual?

Questions and answers

Subscribe to Our Youtube Channel

Summary of Contents for Fujitsu ARTH30KMTAP

  • Page 1 AIR CONDITIONER Duct type DESIGN & TECHNICAL MANUAL INDOOR ARTH30KMTAP ARTH36KMTAP ARTH45KMTAP ARTH54KMTAP OUTDOOR AOTH30KBTA AOTH45KBTA AOTH36KBTA AOTH54KBTA DR_AR058EF_01 2021.12.16...
  • Page 2 Notices: • Product specifications and design are subject to change without notice for future improvement. • For further details, please check with our authorized dealer. Copyright © 2021 Fujitsu General Limited. All rights reserved.
  • Page 3: Table Of Contents

    CONTENTS Part 1. INDOOR UNIT................1 1. Specifications....................2 2. Dimensions....................5 2-1. Models: ARTH30KMTAP, ARTH36KMTAP, ARTH45KMTAP, and ARTH54KMTAP ..5 2-2. Installation space requirement ..................6 2-3. Maintenance space requirement..................7 3. Wiring diagrams ....................9 3-1. Models: ARTH30KMTAP, ARTH36KMTAP, ARTH45KMTAP, and ARTH54KMTAP ..9 4. Capacity table....................10 4-1.
  • Page 4 CONTENTS (continued) Part 2. OUTDOOR UNIT..............59 1. Specifications....................60 2. Dimensions....................62 2-1. Models: AOTH30KBTA and AOTH36KBTA..............62 2-2. Models: AOTH45KBTA and AOTH54KBTA..............63 3. Installation space ..................64 3-1. Models: AOTH30KBTA, AOTH36KBTA, AOTH45KBTA, and AOTH54KBTA ....64 4. Refrigerant circuit ..................68 4-1. Model: AOTH30KBTA....................68 4-2. Models: AOTH36KBTA, AOTH45KBTA, and AOTH54KBTA.........69 5.
  • Page 5: Part 1. Indoor Unit

    Part 1. INDOOR UNIT DUCT TYPE: ARTH30KMTAP ARTH36KMTAP ARTH45KMTAP ARTH54KMTAP...
  • Page 6: Specifications

    1. Specifications Type Inverter heat pump Model name ARTH30KMTAP ARTH36KMTAP Power supply 220―240 V ~ 50 Hz Power supply intake Outdoor unit Available voltage range 198—264 V 10.0 Rated Btu/h 29,000 34,100 Cooling 2.8—10.3 2.8—11.4 Min.—Max. Btu/h 9,600—35,100 9,600—38,900 Capacity 10.0...
  • Page 7 Type Inverter heat pump Model name ARTH30KMTAP ARTH36KMTAP NOTES: • Specifications are based on the following conditions: – Cooling: Indoor temperature of 27 °CDB/19°CWB, and outdoor temperature of 35 °CDB/24°CWB. – Heating: Indoor temperature of 20 °CDB/15°CWB, and outdoor temperature of 7 °CDB/6.
  • Page 8 Type Inverter heat pump Model name ARTH45KMTAP ARTH54KMTAP Power supply 220―240 V ~ 50 Hz Power supply intake Outdoor unit Available voltage range 198—264 V 12.5 13.0 Rated Btu/h 42,700 44,400 Cooling 4.0—14.0 4.5—15.0 Min.—Max. Btu/h 13,600—47,800 15,400—51,200 Capacity 14.0 15.0 Rated Btu/h...
  • Page 9: Dimensions

    × Φ4 PCD* Φ125 Φ160 Φ4.5 P100 × 11 = 1,100 1,190 1,440 *: PCD (Pitch Circle Diameter) Side view (L) Top view Side view (R) Front view - 5 - 2-1. Models: ARTH30KMTAP, ARTH36KMTAP, ARTH45KMTAP, and ARTH54KMTAP 2. Dimensions...
  • Page 10: Installation Space Requirement

    2-2. Installation space requirement Provide sufficient installation space for product safety. NOTE: The detailed component shape depends on the model. ¢ Models: ARTH30KMTAP, ARTH36KMTAP, ARTH45KMTAP, and ARTH54KMTAP Unit: mm 20 or more 300 or more 20 or more* Ceiling 2,500 or more...
  • Page 11: Maintenance Space Requirement

    • Do not place any wiring or illumination in the maintenance space, as they will impede service. • The detailed component shape depends on the model. ¢ Models: ARTH30KMTAP, ARTH36KMTAP, ARTH45KMTAP, and ARTH54KMTAP Provide one or two maintenance accesses for the fan units and the filters or the inspections of the control box, drain pump, and the other parts.
  • Page 12 Unit: mm • Distance between the ceiling and the unit is from 20 to 300: Choose one of these methods to set up the maintenance access. Pattern A Maintenance access 1,500 Control box 1,400 100 to 200 Pattern B 2,000 or more Control box 1,400 Bottom view...
  • Page 13: Wiring Diagrams

    3. Wiring diagrams 3-1. Models: ARTH30KMTAP, ARTH36KMTAP, ARTH45KMTAP, and ARTH54KMTAP - 9 - 3-1. Models: ARTH30KMTAP, ARTH36KMTAP, ARTH45KMTAP, and ARTH54KMTAP 3. Wiring diagrams...
  • Page 14: Capacity Table

    Airflow Rate (AFR): For cooling capacity: Total Capacity (TC), Sensible Heat Capacity (SHC), and Input Power (IP) For heating capacity: Total Capacity (TC) and Input Power (IP) 4-1. Cooling capacity ¢ Model: ARTH30KMTAP 1,950 Indoor temperature °CDB °CWB...
  • Page 15 ¢ Model: ARTH54KMTAP 2,160 Indoor temperature °CDB °CWB °CDB 9.22 7.10 1.83 10.00 7.46 1.87 10.53 7.69 1.91 11.04 8.02 1.93 11.57 8.34 1.96 12.05 8.48 1.96 12.77 8.72 1.96 9.38 7.23 1.90 10.17 7.59 1.94 10.70 7.84 1.98 11.24 8.17 2.00 11.76...
  • Page 16: Heating Capacity

    4-2. Heating capacity NOTE: Values mentioned in the table are calculated based on the maximum capacity. ¢ Model: ARTH30KMTAP 1,950 Indoor temperature °CDB °CDB °CWB 7.16 3.53 7.13 3.53 7.10 3.54 6.92 3.54 6.46 3.55 8.19 3.82 8.16 3.82 8.12 3.82...
  • Page 17: Fan Performance

    5. Fan performance NOTE: Airflow and capacity/outlet temperature curve data are measured based on the same condi- tions mentioned in "Specifications". 5-1. Fan performance curve ¢ Model: ARTH30KMTAP Fan performance curve 1 Hi (SP mode 15) SP mode 15 upper limit...
  • Page 18 NOTES: • Setting of the external static pressure is switchable into modes by using the remote controller. • According to the resistance of the connecting duct, perform the setting of the external static pressure with referring “Fan performance curve 2” above. •...
  • Page 19  Characteristics of air volume and capacity • Cooling 1,500 1,600 1,700 1,800 1,900 2,000 2,100 2,200 2,300 2,400 2,500 (l/h) Airflow • Heating 1,500 1,600 1,700 1,800 1,900 2,000 2,100 2,200 2,300 2,400 2,500 (l/h) Airflow - 15 - 5-1.
  • Page 20 ¢ Model: ARTH36KMTAP Fan performance curve 1 Hi (SP mode 15) SP mode 15 upper limit Me (SP mode 15) Lo (SP mode 15) Standard SP upper limit Qu (SP mode 15) Hi (Standard SP) Qu (Standard SP) Me (Standard SP) Standard SP lower limit Lo (Standard SP) 1,000...
  • Page 21  Characteristics of air volume and capacity • Cooling 1,500 1,600 1,700 1,800 1,900 2,000 2,100 2,200 2,300 2,400 2,500 (l/h) Airflow • Heating 1,500 1,600 1,700 1,800 1,900 2,000 2,100 2,200 2,300 2,400 2,500 (l/h) Airflow - 17 - 5-1.
  • Page 22 ¢ Models: ARTH45KMTAP and ARTH54KMTAP Fan performance curve 1 Hi (SP mode 15) SP mode 15 upper limit Me (SP mode 15) Lo (SP mode 15) Standard SP upper limit Qu (SP mode 15) Hi (Standard SP) Qu (Standard SP) Me (Standard SP) Standard SP lower limit Lo (Standard SP)
  • Page 23  Characteristics of air volume and capacity • Cooling 1,700 1,800 1,900 2,000 2,100 2,200 2,300 2,400 2,500 2,600 2,700 (l/h) Airflow • Heating 1,700 1,800 1,900 2,000 2,100 2,200 2,300 2,400 2,500 2,600 2,700 (l/h) Airflow - 19 - 5-1.
  • Page 24: Airflow

    5-2. Airflow ¢ Model: ARTH30KMTAP  Cooling Fan speed Airflow 1,950 HIGH 1,148 1,540 1,340 1,210 QUIET  Heating Fan speed Airflow 1,950 HIGH 1,148 1,540 1,340 1,210 QUIET - 20 - 5-2. Airflow 5. Fan performance...
  • Page 25 ¢ Model: ARTH36KMTAP  Cooling Fan speed Airflow 2,070 HIGH 1,218 1,660 1,450 1,280 QUIET  Heating Fan speed Airflow 2,070 HIGH 1,218 1,660 1,450 1,280 QUIET - 21 - 5-2. Airflow 5. Fan performance...
  • Page 26 ¢ Model: ARTH45KMTAP  Cooling Fan speed Airflow 2,160 HIGH 1,271 1,730 1,018 1,510 1,320 QUIET  Heating Fan speed Airflow 2,160 HIGH 1,271 1,730 1,018 1,510 1,320 QUIET - 22 - 5-2. Airflow 5. Fan performance...
  • Page 27 ¢ Model: ARTH54KMTAP  Cooling Fan speed Airflow 2,160 HIGH 1,271 1,730 1,018 1,510 1,320 QUIET  Heating Fan speed Airflow 2,160 HIGH 1,271 1,730 1,018 1,510 1,320 QUIET - 23 - 5-2. Airflow 5. Fan performance...
  • Page 28: Operation Noise (Sound Pressure)

    6. Operation noise (sound pressure) 6-1. Noise level curve ¢ Model: ARTH30KMTAP  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 NC-20 NC-20 QUIET QUIET...
  • Page 29 ¢ Model: ARTH45KMTAP  Cooling  Heating NC-65 NC-65 NC-60 NC-60 NC-55 NC-55 NC-50 NC-50 NC-45 NC-45 HIGH HIGH NC-40 NC-40 NC-35 NC-35 NC-30 NC-30 NC-25 NC-25 NC-20 QUIET NC-20 QUIET 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...
  • Page 30: Sound Level Check Point

    6-2. Sound level check point Product Measuring duct Measuring duct (Set the static pressure as rating in this area.) Microphone Microphone Front view Side view - 26 - 6-2. Sound level check point 6. Operation noise (sound pressure)
  • Page 31: Safety Devices

    7. Safety devices Model ARTH30KMTAP Type of protection Protection form ARTH36KMTAP ARTH45KMTAP ARTH54KMTAP Circuit protection Current fuse (PCB*) 250 V, 5 A 110 ±10°C Activate Fan motor stop Thermal protection Fan motor protection program 70°C Reset Fan motor restart *: Printed Circuit Board - 27 - 7.
  • Page 32: External Input And Output

    8. External input and output Rotary switch CN75 CN47 (External input and output PCB) (External output) Terminal (External input) Fig. Indoor unit PCB Fig. External input and output PCB External Input connect kit External input External output Connector Input select signal (Optional parts)
  • Page 33: External Input

    8-1. External input • “Operation/Stop” mode can be selected with function setting of indoor unit. • A twisted pair cable (22AWG) should be used. Maximum length of cable is 150 m. • The wire connection should be separate from the power cable line. ¢...
  • Page 34: External Output

    8-2. External output Use an external output cable with appropriate external dimension, depending on the number of ca- bles to be installed. ¢ Indoor unit • A twisted pair cable (22AWG) should be used. Maximum length of cable is 25 m. •...
  • Page 35: Combination Of External Input And Output

    8-3. Combination of external input and output By combining the function setting of the indoor unit and rotary switch setting of the External input and output PCB, you can select various combinations of functions. Combination examples of external input and output are as follows: External input External input Function...
  • Page 36 ¢ Input signal type • Indoor unit Input signal type is only "Edge". Edge • External input and output PCB The input signal type can be selected. Signal type (edge or pulse) can be switched by the DIP switch 2 (SW2) on the External input and output PCB.
  • Page 37: Details Of Function

    8-4. Details of function ¢ Control input function  When function setting is "Operation/Stop" mode 1 • In the case of "Edge" input Rotary SW of Function External input and External input Input signal Command setting / output PCB Off → On Operation Input of indoor unit Terminal...
  • Page 38  When function setting is "Forced stop" mode • In the case of "Edge" input Rotary SW of Function External input and External input Input signal Command setting / output PCB Off → On Forced stop Input of indoor unit Terminal On →...
  • Page 39  When function setting is "Operation/Stop" mode 2 • In the case of "Edge" input Rotary SW of Function External input and External input Input signal Command setting / output PCB Off → On Operation Input of indoor unit Terminal Stop (R.C.
  • Page 40 ¢ Forced thermostat off function Function Rotary SW of External External input Input signal Command setting / input and output PCB 60-00 / 2 Off → On Thermostat off 60-09 / B External input and output Input 1 60-10 / C Normal On →...
  • Page 41 ¢ Error status Function Rotary SW of External External output Output signal Command setting / input and output PCB Low → High Error 60-09 / B Output of indoor unit CN47 High → Low Normal Off → On Error 60-00 / 2 Output 1 On →...
  • Page 42 ¢ External heater output Function Rotary SW of External External output Output signal Command setting / input and output PCB Low → High Heater on 60-11 / D Output of indoor unit CN47 High → Low Heater off 60-00 / 2 Off →...
  • Page 43: Group Connection

    9. Group connection NOTE: When different type of indoor units (such as wall mounted type and cassette type, cassette type and duct type, or other combinations) are connected using group control system, some functions may no longer be available. 1. Connect up to 16 indoor units in a system. I.U.
  • Page 44 2. Set the R.C. address of each indoor unit by using the DIP switch on the indoor unit main PCB. • For non-polar 2-wire type, the automatic address setting runs in the initial starting up after the remote controller connection in the system. Do not change the remote controller address for the indoor unit.
  • Page 45: Remote Controller

    10. Remote controller 10-1. Wired remote controller ¢ Overview a Remote temperature sensor (inside) b On/off button c Power indicator lamp (operation indicator) Office Fri 10:00AM Mode Set Temp. Lights while the indoor unit is operating. Blinks when an 26.0 Cool Auto error is detected.
  • Page 46 ¢ Specifications Dimensions and other specifications on the wired remote controller are as follows. Unit: mm 20.4 Hole: 9 × 4.5 Hole: 6 × 4.5 Hole: 12.5 × 4.5 Model name UTY-RNRT* Display 3.8-inch FSTN LCD (255 × 160 dots) with touch screen Dimensions (H ×...
  • Page 47: Function Settings

    11. Function settings To adjust the functions of this product according to the installation environment, various types of function settings are available. NOTE: Incorrect settings can cause a product malfunction. 11-1. Function settings on indoor unit By using some components on the PCB, you can change the function settings. Related components on the PCB and the applicable settings Component Setting content...
  • Page 48  DIP switch setting • Remote controller address setting (SW100) When operating a number of indoor units by using a wired remote controller, DIP switch set- ting for assigning unit number to each indoor unit is required. DIP switches are normally set to make the unit number 00. Remote DIP switch number controller...
  • Page 49: 11-2.Function Settings By Using Remote Controller

    11-2. Function settings by using remote controller Some function settings can be changed on the remote controller. After confirming the setting proce- dure and the content of each function setting, select appropriate functions for your installation envi- ronment. ¢ Setting procedure by using wired remote controller The function number and the associated setting value are displayed on the LCD of the remote con- troller.
  • Page 50 Touch the “Setting” on the “Function Setting” screen. Function Setting Address [002–01] Function No. [11] Setting No. [00] Back Setting Setting screen of “Setting No.” is displayed. Set the setting number by touching ▲ or ▼. (The setting range is from 00 to 99.) When the “OK” is touched, the “Function Setting” verification screen is displayed.
  • Page 51 ¢ Contents of function setting Each function setting listed in this section is adjustable in accordance with the installation environ- ment. NOTE: Setting will not be changed if invalid numbers or setting values are selected.  Function setting list Function no. Functions Filter sign Static pressure...
  • Page 52 2) Static pressure Select the appropriate static pressure according to the installation conditions. Function number Setting value Setting description Factory setting 50 Pa 60 Pa 70 Pa 80 Pa 90 Pa 100 Pa 110 Pa 120 Pa 130 Pa 140 Pa 150 Pa Standard (50 Pa) ♦...
  • Page 53 3) Room temperature control for indoor unit sensor Depending on the installed environment, correction of the room temperature sensor may be re- quired. Select the appropriate control setting according to the installed environment. The temperature of the room temperature sensor is corrected as follows: Corrected temp.
  • Page 54 4) Room temperature control for wired remote controller sensor Depending on the installed environment, correction of the wire remote temperature sensor may be required. Select the appropriate control setting according to the installed environment. To change this setting, set Function 42 to Both “01”. Ensure that the Thermo Sensor icon is displayed on the remote controller screen.
  • Page 55 7) Cold air prevention This setting is to disable the cold air prevention function during heating operation. When disabled, the fan setting will always follow the setting on the remote controller. (Excluding defrost mode) Function number Setting value Setting description Factory setting Enable ♦...
  • Page 56 11) Indoor unit fan control for energy saving for cooling Enables or disables the power-saving function by controlling the indoor unit fan rotation when the outdoor unit is stopped during cooling operation. Function number Setting value Setting description Factory setting Disable Enable Remote controller...
  • Page 57: Accessories

    Wired remote controller (remote controller) Remote controller Washer — accessories Coupler heat insulation Drain hose insulation (large) Coupler heat insulation Drain hose (small) Cable tie (large) Hose band - 53 - 12-1. Models: ARTH30KMTAP, ARTH36KMTAP, ARTH45KMTAP, and ARTH54KMTAP 12. Accessories...
  • Page 58: Optional Parts

    13. Optional parts 13-1. Controllers Exterior Part name Model name Summary Easy finger touch operation with LCD Office Fri 10:00AM Mode Set Temp. Wired remote panel. Backlit LCD enables easy 26.0 Cool Auto UTY-RNRT* °C controller operation in a dark room. 26.0°C Room Temp.
  • Page 59 Exterior Part name Model name Summary IR receiver kit with wireless Unit control is performed by wireless UTY-LBTYM remote remote controller. controller NOTE: Available functions may differ by the remote controller. For details, refer to the operation manual. - 55 - 13-1.
  • Page 60: 13-2.Others

    13-2. Others Exterior Part name Model name Summary Thermo-sensor for sensing the Remote sensor UTY-XSZX temperature of arbitrary place in the unit room. Long-life filter can be mounted to the Long-life filter UTD-LFDA indoor unit. Use to connect with various peripheral External devices and air conditioner PCB.
  • Page 61 Exterior Part name Model name Summary This converter is required when Network UTY-VTGX connecting single split system to VRF converter network system. Network This converter is required when converter UTY-VTGXV connecting single split system to VRF (AC power network system. supply) Air conditioner switching can be External switch...
  • Page 62 DUCT TYPE ARTH30-54KMTAP DUCT TYPE ARTH30-54KMTAP...
  • Page 63: Part 2. Outdoor Unit

    Part 2. OUTDOOR UNIT SINGLE TYPE: AOTH30KBTA AOTH36KBTA AOTH45KBTA AOTH54KBTA...
  • Page 64: Specifications

    1. Specifications Type Inverter heat pump Model name AOTH30KBTA AOTH36KBTA Power supply 220―240 V ~ 50 Hz Power supply intake Outdoor unit Available voltage range 198—264 V Starting current 11.2 13.9 Cooling 3,750 Airflow rate Heating 3,750 Type × Q'ty Propeller fan ×...
  • Page 65 Type Inverter heat pump Model name AOTH45KBTA AOTH54KBTA Power supply 220―240 V ~ 50 Hz Power supply intake Outdoor unit Available voltage range 198—264 V Starting current 16.8 18.7 Cooling 4,450 Airflow rate Heating 4,450 Type × Q'ty Propeller fan × 1 Motor output Cooling dB (A)
  • Page 66: Dimensions

    2. Dimensions 2-1. Models: AOTH30KBTA and AOTH36KBTA Unit: mm 35.7 Top view 3 Way valve (Gas) 3 Way valve (Liquid) 25 67 Ф28: Cable port Pipe port Ф28: Cable port Ф28: Cable port Ф28: Cable port Ф28: Cable port Ф28: Cable port Pipe port Pipe port Front view...
  • Page 67: Models: Aoth45Kbta And Aoth54Kbta

    2-2. Models: AOTH45KBTA and AOTH54KBTA Unit: mm 35.7 Top view 3 Way valve (Liquid) 3 Way valve (Gas) 129.1 Pipe port Ф28 Ф28 85.3 Cable port Ф28: Cable port Pipe port Cable port Pipe port Pipe port Pipe port Front view Side view Rear view 62.6...
  • Page 68: Installation Space

    3. Installation space 3-1. Models: AOTH30KBTA, AOTH36KBTA, AOTH45KBTA, and AOTH54KBTA ¢ Space requirement Provide sufficient installation space for product safety. CAUTION Keep the space shown in the installation examples. If the installation is not performed accordingly, it could cause a short circuit and result in a lack of operating performance.
  • Page 69 • When an obstruction in the upper space: Unit: mm When there are obstacles at the rear When there are obstacles at the rear, sides, and and above. above. Max. 500 Max. 500 1,000 or more 1,000 or more 500 or more 200 or more 300 or more 250 or more...
  • Page 70  Multiple outdoor unit installation • Provide at least 250 mm of space between the outdoor units if multiple units are installed. • When routing the piping from the side of an outdoor unit, provide space for piping. • No more than 3 units must be installed side by side. When 4 units or more are arranged in a line, provide the space as shown in the following ex- ample “When an obstruction in the upper space:”.
  • Page 71  Outdoor unit installation in multi-row Unit: mm Single parallel unit arrangement Multiple parallel unit arrangement 150 or more 500 or more 3,000 or more 3,500 or more 600 or more 600 or more 1,500 or more 1,500 or more 250 or more 1,500 or more 500 or more...
  • Page 72: Refrigerant Circuit

    4. Refrigerant circuit 4-1. Model: AOTH30KBTA Heat exchanger 3-way 3-way (INDOOR) valve valve Pressure switch 4-way valve Strainer Expansion valve Heat exchanger Strainer (OUTDOOR) : Cooling : Heating : Thermistor (Compressor temperature) : Thermistor (Discharge temperature) : Thermistor (Heat Exchanger Med temperature) : Thermistor (Outdoor temperature) : Thermistor (Heat Exchanger Out temperature) : Thermistor (Pipe temperature)
  • Page 73: Models: Aoth36Kbta, Aoth45Kbta, And Aoth54Kbta

    4-2. Models: AOTH36KBTA, AOTH45KBTA, and AOTH54KBTA Heat exchanger 3-way 3-way (INDOOR) valve valve Pressure switch Pressure sensor 4-way valve Strainer Expansion valve Strainer Heat exchanger (OUTDOOR) : Cooling : Heating : Thermistor (Compressor temperature) : Thermistor (Discharge temperature) : Thermistor (Heat exchanger middle temperature) : Thermistor (Outdoor temperature) : Thermistor (Heat exchanger out temperature) : Thermistor (Pipe temperature)
  • Page 74: Wiring Diagrams

    5. Wiring diagrams 5-1. Model: AOTH30KBTA - 70 - 5-1. Model: AOTH30KBTA 5. Wiring diagrams...
  • Page 75: Models: Aoth36Kbta, Aoth45Kbta, And Aoth54Kbta

    5-2. Models: AOTH36KBTA, AOTH45KBTA, and AOTH54KBTA - 71 - 5-2. Models: AOTH36KBTA, AOTH45KBTA, and AOTH54KBTA 5. Wiring diagrams...
  • Page 76: Capacity Compensation Rate For Pipe Length And Height Difference

    6. Capacity compensation rate for pipe length and height difference Height difference H Indoor unit is higher than outdoor unit Indoor unit is lower than outdoor unit Outdoor unit Indoor unit Outdoor unit Indoor unit Connection pipe Connection pipe 6-1. Model: AOTH30KBTA NOTE: Values mentioned in the table are calculated based on the maximum capacity.
  • Page 77: Model: Aoth36Kbta

    6-2. Model: AOTH36KBTA NOTE: Values mentioned in the table are calculated based on the maximum capacity. Pipe length (m) COOLING — — — — 0.902 0.882 0.862 — — — 0.938 0.917 0.897 0.876 Indoor unit is higher — — 0.973 0.953 0.933...
  • Page 78: Models: Aoth45Kbta And Aoth54Kbta

    6-3. Models: AOTH45KBTA and AOTH54KBTA NOTE: Values mentioned in the table are calculated based on the maximum capacity. Pipe length (m) COOLING — — — — 0.900 0.879 0.858 — — — 0.937 0.915 0.894 0.872 Indoor unit is higher —...
  • Page 79: Additional Charge Calculation

    7. Additional charge calculation 7-1. Models: AOTH30KBTA and AOTH36KBTA Refrigerant type Refrigerant amount 1,900 ¢ Refrigerant charge Total pipe length 30 or less 50 (Max.) 40 g/m Additional charge amount 7-2. Models: AOTH45KBTA and AOTH54KBTA Refrigerant type Refrigerant amount 2,700 ¢...
  • Page 80: Airflow

    8. Airflow 8-1. Models: AOTH30KBTA and AOTH36KBTA  Cooling 3,750 1,042 2,207  Heating 3,750 1,042 2,207 8-2. Models: AOTH45KBTA and AOTH54KBTA  Cooling 4,450 1,236 2,619  Heating 4,450 1,236 2,619 - 76 - 8-1. Models: AOTH30KBTA and AOTH36KBTA 8.
  • Page 81: Operation Noise (Sound Pressure)

    9. Operation noise (sound pressure) 9-1. Noise level curve ¢ Model: AOTH30KBTA  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...
  • Page 82 ¢ Model: AOTH45KBTA  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 ¢...
  • Page 83: Sound Level Check Point

    9-2. Sound level check point Microphone Microphone Front 1.5 m Airflow Side view Front view NOTE: Detailed shape of the actual outdoor unit might be slightly different from the one illustrated above. - 79 - 9-2. Sound level check point 9.
  • Page 84: Electrical Characteristics

    10. Electrical characteristics Model name AOTH30KBTA AOTH36KBTA Voltage 220―240 ~ Power supply Frequency 22.6 22.6 Max operating current * Starting current 11.2 13.9 Circuit breaker current Power cable Wiring spec. Cross-sectional area Connection cable *3 Limited wiring length Model name AOTH45KBTA AOTH54KBTA Voltage...
  • Page 85: Safety Devices

    11. Safety devices Model Type of Protection form AOTH30KBTA protection AOTH36KBTA 250 V, 30 A Circuit Current fuse 250 V, 3.15 A protection (Main PCB) 250 V, 10 A × 2 122 ±9 °C Activate Fan motor stop Fan motor Thermal protection program protection 116 ±9°C...
  • Page 86: External Input And Output

    12. External input and output With using external input and output functions, this product can be operated inter-connectedly with an external device. Connector Input Output Remarks P580 Low noise mode — PA580 Peak cut mode — See external input/output settings for details.
  • Page 87 ¢ Peak cut mode By performing following on-site work, operation that suppresses the current value can be enabled: The air conditioner is set to the “Peak cut mode” when closing the contact input of a commercial timer or on/off switch to a connector on the control PCB of the outdoor unit. •...
  • Page 88: 12-2.External Output

    12-2. External output With using external output function, some status signals are transmitted to the control PCB, and the related LED lamp indicates the status of this product. ¢ Error status output Signal on air conditioner error status is generated when a malfunction occurs. •...
  • Page 89 ¢ Compressor status output Signal on compressor operation status is generated when the compressor is running. • Circuit diagram example • Output voltage (Vcc): DC 12 V Outdoor unit 50 mA or less control PCB Connected unit (Locally purchased) • *: Make the distance from the Example: Connector Example: Fan...
  • Page 90: Function Settings

    13. Function settings Perform appropriate function setting locally according to the installation environment. NOTE: Incorrect settings can cause a product malfunction. CAUTION • Before setting up the switch buttons, discharge the static electricity from your body. • Never touch the terminals or the patterns on the parts that are mounted on the PCB. 13-1.
  • Page 91 ¢ Switch buttons and the functions LED lamps S134 S133 S132 S131 S130 Switch buttons LED lamp Function or operation method Lights on while power on. (1) POWER/MODE Green Local setting in outdoor unit or error code is displayed with blink. (2) ERROR Blinks during error operation.
  • Page 92: 13-2.Local Setting Procedure

    13-2. Local setting procedure NOTE: Before performing the function setting, be sure to stop the operation of the air conditioner. ¢ Low noise mode Press the MODE switch button (S134) for 3 seconds or more to switch to “Local setting mode”. After confirming the LED lamp of POWER/MODE blinks 9 times, press the ENTER switch but- ton (S132).
  • Page 93 ¢ Peak cut mode Press the MODE switch button (S134) for 3 seconds or more to switch to “Local setting mode”. After confirming the LED lamp of POWER/MODE blinks 9 times, press the ENTER switch but- ton (S132). PUMP POWER LOW NOISE PEAK CUT DOWN...
  • Page 94: Accessories

    14. Accessories 14-1. Models: AOTH30KBTA, AOTH36KBTA, AOTH45KBTA, and AOTH54KBTA Part name Exterior Q’ty Part name Exterior Q’ty Installation manual Drain cap Drain pipe One-touch bush - 90 - 14-1. Models: AOTH30KBTA, AOTH36KBTA, AOTH45KBTA, and AOTH54KBTA 14. Accessories...
  • Page 95: Optional Parts

    15. Optional parts Exterior Part name Model name Summary Use to operate the external input and External UTY-XWZXZ3 output functions of outdoor unit. connect kit - 91 - 15. Optional parts...

Table of Contents