Fujitsu AR*G45LHTA series Technical Manual
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Also See for AR*G45LHTA series:
- Design & technical manual (356 pages) ,
- Service instruction (102 pages)
Related Manuals for Fujitsu AR*G45LHTA series
Summary of Contents for Fujitsu AR*G45LHTA series
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Page 1: Duct Type
AIR CONDITIONER Duct type DESIGN & TECHNICAL MANUAL INDOOR AR G45LHTA AR G54LHTA OUTDOOR AO G45LETL AO G54LETL... - Page 2 1. INDOOR UNIT DUCT TYPE : ARG45LHTA ARG54LHTA DTR_AR066E_02 2013.11.08...
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Page 3: Table Of Contents
CONTENTS 1. INDOOR UNIT FEATURES ......................01 - 01 WIRED REMOTE CONTROLLER ........... 01 - 03 SPECIFICATIONS ..................01 - 05 DIMENSIONS ....................01 - 06 WIRING DIAGRAMS .................. 01 - 08 CAPACITY TABLE ..................01 - 09 6-1. COOLING CAPACITY ................ -
Page 4: Indoor Unit
FEATURES MODEL „ „ ARG45LHTA / AOG45LETL ARG54LHTA / AOG54LETL FEATURES „ „ Improvement of market suitability „ Considerable improvement of installation work by compact size and light weight considering with the conditions of installation in the ceiling. The size which the indoor unit can be installed in the spacing between the beams is required for the installation in the ceiling. -
Page 5: Economy Operation
Operation sound (Low noise) „ Turbulent air flow is reduced by cutting off the corners of conventional indoor unit front panel and fan case Low noise is realized by adopting plastic case, plastic fan Heat exchanger Turbulent air flow Plastic fan Ø225 mm Heat exchanger Casing (Plastic) -
Page 6: Wired Remote Controller
WIRED REMOTE CONTROLLER FEATURES „ „ Various timer setup (ON / OFF / WEEKLY) are possible. „ Equipped with weekly timer as standard function.(2 times Start / Stop „ per day for a week) When setting up a timer, operation mode and a temperature setup ... -
Page 7: Wiring Specifications
FUNCTIONS „ „ START/STOP button Pressed to start and stop operation. SET TEMP. button Selects the setting temperature. MODE button Selects the operating mode (AUTO, HEAT, FAN, COOL, DRY). FAN button Selects the fan speed (AUTO, LOW, MED, HIGH). ECONOMY button Turns the economy efficient mode on and off. -
Page 8: Specifications
SPECIFICATIONS DUCTED MODEL Type INVERTER HEATPUMP Model name AR G45LHTA AR G54LHTA Power source 230V~ 50Hz Available voltage range 198-264V~ 50Hz 12.5 13.4 Rated BTU/h 42700 45700 Cooling 4.5-14.0 5.0-14.5 Min-Max BTU/h 15400-47800 17100-49500 Capacity 14.0 16.0 Rated BTU/h 47800 54600... -
Page 9: Dimensions
DIMENSIONS MODEL : ARG45LHTA, ARG54LHTA „ „ (Unit : mm) Rear view Side view (R) Side view (L) Top view Front view - (01 - 06) -... - Page 10 INSTALLATION PLACE „ „ (Unit : mm) G45LHTA, ARG54LHTA „ Installation by which service space is made on top of the unit (recommended). 350 or more 450 or more (Service space) Service access Installation by which service is carried out from the bottom of the unit. 20 or more 450 or more...
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Page 11: Wiring Diagrams
WIRING DIAGRAMS MODEL : ARG45LHTA, ARG54LHTA „ „ - (01 - 08) -... -
Page 12: Capacity Table
CAPACITY TABLE 6-1. COOLING CAPACITY MODEL : ARG45LHTA „ „ 55.8 Indoor temperature °CDB °CWB °CDB 11.75 10.43 2.86 13.09 10.50 2.90 13.54 11.41 2.92 14.43 11.45 2.95 14.88 12.36 2.96 15.77 12.31 2.99 16.66 13.12 3.02 11.74 10.41 2.73 13.08 10.47 2.77 13.53 11.39... -
Page 13: Heating Capacity
6-2. HEATING CAPACITY MODEL : ARG45LHTA „ „ 55.8 Indoor temperature °CDB °CDB °CWB 11.47 4.69 11.19 4.79 10.92 4.89 10.65 4.90 10.37 4.90 12.63 4.70 12.33 4.80 12.03 4.90 11.73 4.90 11.43 4.90 13.99 4.70 13.65 4.80 13.32 4.90 12.99 4.90 12.65... -
Page 14: Fan Performance And Capacity
FAN PERFORMANCE AND CAPACITY MODEL : ARG45LHTA „ „ Static pressure (Pa) 3350 3150 2950 2700 2450 2280 1900 1972 1854 1736 1589 1442 1342 1118 2850 2700 2520 2350 2160 1970 1750 1677 1589 1483 1383 1271 1159 1030 2430 2310 2180... - Page 15 MODEL : ARG54LHTA „ „ Static pressure (Pa) 3350 3150 2950 2700 2450 2280 1900 1972 1854 1736 1589 1442 1342 1118 2850 2700 2520 2350 2160 1970 1750 1677 1589 1483 1383 1271 1159 1030 2430 2310 2180 2050 1900 1750 1430...
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Page 16: Noise Level Curve
OPERATION NOISE 8-1. NOISE LEVEL CURVE Condition Static pressure : 100Pa MODEL : ARG45LHTA „ „ 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 NC-15... -
Page 17: Sound Level Check Point
8-2. SOUND LEVEL CHECK POINT Measuring duct Measuring duct Set the static pressure as rating in this area - (01 - 14) -... -
Page 18: Electric Characteristics
ELECTRIC CHARACTERISTICS AR G45LHTA Model name AR G54LHTA Voltage 230~ Power supply Frequency Max Operating Current Connection cable Wiring spec. Limited wiring length Note: Wiring specification 1. Selected sample (Selected based on Japan Electrotechnical Standards and Codes Committee E0005) 2. -
Page 19: Safety Devices
SAFETY DEVICES Model Protection form AR G45LHTA AR G54LHTA Circuit protection Current fuse (PCB) 250V 3.15A Fan motor protection Thermal protector 145±5 °C - (01 - 16) -... -
Page 20: External Input & Output
EXTERNAL INPUT & OUTPUT INPUT OUTPUT Connector REMARKS CONTROL INPUT — CN114 — OPERATION STATUS CN115 See extermal input / output settings for details. — FRESH AIR CONTROL CN14 — AUXILIARY HEATER CN15 PREPARATION „ „ Before connecting the external input, preparation is necessary using the signal wire in the figure below. -
Page 21: External Input
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" mode or "Forced stop" mode can be selected with function setting of indoor unit. Unit operation is started at the following contents by adding the contact input of a commercial ON/ OFF switch to a connector on the external control PC board and turning it ON. -
Page 22: External Output
11-2. EXTERNAL OUTPUT OPERATION STATUS OUTPUT „ „ An air conditioner operation status signal can be output. Circuit diagram example „ Indoor Connected unit control PC board Connector Ex.)Relay unit Ex.)Display 24V DC Relay power supply *10 m Signal Field supply * Make the distance from the PC board to the connected unit within 10m. - Page 23 FRESH AIR CONTROL OUTPUT „ „ A signal linked to air conditioner indoor fan ON can be output. * However, signal becomes OFF during cold air prevention control operation. Circuit diagram example „ Indoor Connected unit control PC board Ex.) Fan Ex.) Relay unit 12 V Connector...
- Page 24 AUXILIARY HEATER OUTPUT „ „ A signal is outputed from Connector when indoor fan and compressor is turned on under heating operation. * Signal output performance specifications are as Tr-Ts shown on the right. Tr-Ts = -1°C Tr-Ts = -3°C Ex.
- Page 25 Parts (Optional) „ Model name UTD-ECS5A Wire (Heater output) - (01 - 22) -...
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Page 26: Function Settings
FUNCTION SETTINGS 12-1. INDOOR UNIT INDOOR UNIT SW 1 DIP SW Forbidden SW 2 Rotary SW SW 3 Remote controller address setting JM 1 Forbidden Jumper Wire JM 2 JM 3 Fan delay setting SWITCH POSITION „ „ Control PC board CN14 CN15 - (01 - 23) -... -
Page 27: Rotary Switch Setting
ROTARY SWITCH SETTING „ „ Remote controller address setting (SW3) „ This switch can be used when group control system. Set the remote controller address in the 1,2,-,15 order. ( . . .Factory setting) SW 3 SW state single ... -
Page 28: Indoor Unit (Setting By Remote Controller)
12-2. INDOOR UNIT (Setting by remote controller) • 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 to malfunction. • After the power is turned on, perform The Function Setting according to the installation conditions using the remote controller. •... - Page 29 (5) Press the TIMER SET button to confirm the setting. Press the TIMER SET button for a few seconds until the setting value stops flashing. If the setting value display changes or if “- -” is displayed when the flashing stops, the setting value has not been set correctly. (An invalid setting value may have been selected for the indoor unit.) (6) Repeat steps 2 to 5 to perform additional settings.
- Page 30 3) Room temperature control for heating Depending on the installed environment, correction of the room temperature sensor may be required. Select the appropriate control setting according to the installed environment. ( ... Factory setting) Setting description Function number Setting value Standard ...
- Page 31 7) Remote controller custom code (Only for wireless remote controller) The indoor unit custom code can be changed. Select the appropriate custom code. ( ... Factory setting) Setting description Function number Setting value 8) External input control "Operation/Stop" mode or "Forced stop" mode can be selected.. ( ...
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Page 32: Wired Remote Controller
12-3. WIRED REMOTE CONTROLLER SWITCH POSITION „ „ Front case (back side) DIP Switch 2 DIP Switch 1 (All switches fixed at OFF) DIP SWITCH 1 SETTING „ „ Forbidden* Dual remote controller setting Forbidden* DIP Switch 1 Forbidden* Forbidden* Memory backup setting *Switches are fixed at OFF. -
Page 33: Optional Parts
OPTIONAL PARTS 13-1. CONTROLLER Exterior Parts name Model No. Summary Large and full-dot liquid crystal Wired remote screen, wide and large keys UTY-RVNM easy to press, user-intuitive controller arrow key. The room temperature can Wired remote be controlled by detecting the UTY-RNNM temperature accurately with controller... - Page 34 2. OUTDOOR UNIT SINGLE TYPE : AOG45LETL AOG54LETL DTR_AO136E_02 2013.11.08...
- Page 35 CONTENTS 2. OUTDOOR UNIT FEATURE ················································································································· 02 - 01 2. SPECIFICATIONS ······························································································ 02 - 03 DIMENSIONS ········································································································ 02 - 04 4. INSTALLATION PLACE ················································································ 02 - 05 4-1. SINGLE OUTDOOR UNIT INSTALLATION ················································· 02 - 05 4-2. MULTIPLE OUTDOOR UNIT INSTALLATION ············································...
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Page 36: Feature
FEATURE FEATURES „ „ Peak cut operation „ Peak cut mode Suppresses maximum capacity to perform energy-saving operation, preventing breaker tripping. This function operates by setting a peak current value and reducing the power consumption. * Performance drops by reducing the power consumption preferentially. Level 1 ... -
Page 37: Quiet Operation
Space saving „ Compact size High performance has been realized with a compact outdoor unit. Due to the compact size, the space required for installation has been reduced, allowing a wider selection of installation locations. 4-direction piping connection „ Rear Piping is connectable in any of the four directions. -
Page 38: Specifications
SPECIFICATIONS Model name AOG45LETL AOG54LETL Power source 1Ø 230V~ 50Hz Available voltage range 198-264V~ 50Hz Starting current 18.9 20.9 Cooling 6,750 6,750 Airflow rate Heating 6,200 6,850 Type × Q'ty Propeller × 2 Motor output Cooling Sound pressure level dB(A) Heating Dimensions (H ×... -
Page 39: Dimensions
DIMENSIONS MODELS: AO G45LETL, AOG54LETL „ „ (Unit : mm) Top view Terminal blocks 3-way valve ( Liquid ) 3-way valve ( Gas ) Ø28 (Cable port) Ø28 (Cable port) Pipe port Pipe port Pipe port Front view Side view Rear view Detail A Pipe &... -
Page 40: Installation Place
INSTALLATION PLACE 4-1. SINGLE OUTDOOR UNIT INSTALLATION WHEN THE UPWARD AREA IS OPEN „ „ (Unit : mm) Obstacles at front and Obstacles at rear Obstacles at rear and Obstacles at front only sides only only rear only 1000 or more 1000 or more WHEN AN OBSTRUCTION IS PRESENT ALSO IN THE UPWARD AREA „... -
Page 41: Multiple Outdoor Unit Installation
4-2. MULTIPLE OUTDOOR UNIT INSTALLATION WHEN THE UPWARD AREA IS OPEN „ „ (Unit : mm) Obstacles at rear only Obstacles at front only Obstacles at front and rear only 1500 or more 1500 or more WHEN AN OBSTRUCTION IS PRESENT ALSO IN THE UPWARD AREA „... -
Page 42: Refrigerant Circuit
REFRIGERANT CIRCUIT MODELS: AO G45LETL, AOG54LETL „ „ Refrigerant direction Cooling Heating Refrigerant pipe diameter Liquid : 9.52mm (3/8") Gas : 15.88mm (5/8") - (02 - 07) -... -
Page 43: Wiring Diagrams
WIRING DIAGRAMS MODELS: AO G45LETL, AOG54LETL „ „ - (02 - 08) -... -
Page 44: Capacity Compensation Rate For Pipe Length And Height Difference
CAPACITY COMPENSATION RATE FOR PIPE LENGTH AND HEIGHT DIFFERENCE MODEL: AO „ „ G45LETL Pipe length (m) COOLING 0.879 0.846 0.814 Û 1 0.926 0.893 0.861 0.828 Indoor unit is 0.975 0.942 0.908 0.875 0.841 higher than 0.988 0.979 0.946 0.912 0.878 0.845... - Page 45 MODEL: AO „ „ G54LETL Pipe length (m) COOLING 0.871 0.837 0.803 Û 1 0.921 0.886 0.851 0.816 Indoor unit is 0.971 0.936 0.900 0.865 0.830 higher than 0.988 0.975 0.940 0.904 0.868 0.833 outdoor unit. 0.992 0.992 0.979 0.943 0.908 0.872 0.836...
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Page 46: Additional Charge Calculation
ADDITIONAL CHARGE CALCULATION MODELS: AO G45LETL, AOG54LETL „ „ Refrigerant type R410A Refrigerant amount 3350 Refrigerant Charge „ Total pipe length 20 or less 50 (MAX) 40g/m Additional charge 1200 - (02 - 11) -... -
Page 47: Air Flow
AIR FLOW MODELS: AO G45LETL, AOG54LETL „ „ Cooling „ Number of MODEL rotations Air flow (r.p.m.) 6750 Upper fan AO G45LETL 1875 Lower fan 3974 6750 Upper fan AO G54LETL 1875 Lower fan 3974 Heating „ Number of MODEL rotations Air flow... -
Page 48: Operation Noise (Sound Pressure)
OPERATION NOISE (SOUND PRESSURE) 10-1. NOISE LEVEL CURVE MODEL: AO „ „ G45LETL 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 49: Sound Level Check Point
10-2. SOUND LEVEL CHECK POINT Airflow Microphone Microphone - (02 - 14) -... -
Page 50: Electric Characteristics
ELECTRIC CHARACTERISTICS Model name AO G45LETL AO G54LETL Voltage 230 ~ Power supply Frequency *1) Max. operating current 22.5 23.5 Circuit breaker current *2) Wiring spec. Power cable *1) The maximum current is the total current of indoor unit and outdoor unit. *2) Wiring spec. -
Page 51: Safety Devices
SAFETY DEVICES Model Protection form AO G45LETL AO G54LETL Current fuse 250V 30A, 250V 10A x2, 250V 3.15A (Filter printed circuit board) Circuit protection Current fuse 250V 3.15A (Main printed circuit board) OFF : 150±15°C Fan motor protector Thermal protector ON : 120±15°C Thermal protection program... -
Page 52: External Input & Output
EXTERNAL INPUT & OUTPUT Input Output Connector Remarks Low noise mode ― CN10 Peak cut mode ― CN11 See external input/output settings ― Error status CN12 for details. ― Compressor status CN13 13-1. EXTERNAL INPUT ON/OFF of the "Low noise mode" and "Peak cut mode" functions can be specified by external signal. - Page 53 PEAK CUT MODE „ „ • Operation that suppressed the current value can be performed by means of the following on- site work. The air conditioner is set to the Peak cut mode when closing the contact input of a commercial ON/OFF switch to a connector on the outdoor control PC board.
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Page 54: External Output
13-2. EXTERNAL OUTPUT ERROR STATUS OUTPUT „ „ • An air conditioner error status signal is produced when a malfunction occurs. Circuit diagram example „ Outdoor unit Connected unit control PC board Connector Power supply 1) Power supply ●Voltage (Chart sign=Vcc) : DC 24V or less 2) Load Load ●... - Page 55 COMPRESSOR STATUS OUTPUT „ „ • Compressor operation status signal is produced when the compressor is running. Circuit diagram example „ Outdoor unit Connected unit control PC board Connector Power supply 1) Power supply ●Voltage (Chart sign=Vcc) : DC 24V or less 2) Load Load ●...
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Page 56: Function Settings
FUNCTION SETTINGS Caution Discharge the static electricity from your body before setting up the push buttons. Never touch the terminals or the patterns on the parts that are mounted on the board. 14-1. FIELD SETTING SWITCHES The positions of the switches on the outdoor unit control board are shown in the figure below. LED lamps Push buttons... -
Page 57: Setting Method
14-2. SETTING METHOD Stop the operation of air conditioner before this setting. 14-2-1. LOW NOISE MODE LED lamp part (1) Switch to “Local setting mode” by pressing [MODE] button (SW1) for 3 seconds or more. (2) Confirm that the (POWER / MODE) blinks 9 times, then press [ENTER] button (SW3). PUMP POWER LOW NOISE... -
Page 58: Peak Cut Mode
14-2-2. PEAK CUT MODE LED lamp part (1) Switch to “Local setting mode” by pressing [MODE] button (SW1) for 3 seconds or more. (2) Confirm that the (POWER / MODE) blinks 9 times, then press [ENTER] button (SW3). PUMP POWER LOW NOISE PEAK CUT DOWN... -
Page 59: Optional Parts
OPTIONAL PARTS Exterior Parts name Model No. Summary Use to operate the External input External connect UTY-XWZXZ3 and output function of Outdoor unit. - (02 - 24) -...