Related Manuals for Fujitsu ARHG24LMLA
Summary of Contents for Fujitsu ARHG24LMLA
- Page 1 AIR CONDITIONER Duct type DESIGN & TECHNICAL MANUAL INDOOR ARHG24LMLA OUTDOOR AOHG24LBCB DR_AR017EG_01 2018.01.25...
- 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 © 2018, Fujitsu General Limited. All rights reserved.
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Page 3: Table Of Contents
CONTENTS Part 1. INDOOR UNIT............... 1 1. Specifications.................... 2 2. Dimensions....................4 2-1. Model: ARHG24LMLA ....................4 2-2. Installation space requirement ..................4 2-3. Maintenance space requirement................. 5 3. Wiring diagrams ..................6 3-1. Model: ARHG24LMLA ....................6 4. Capacity table.................... 7 4-1. - Page 4 CONTENTS (continued) Part 2. OUTDOOR UNIT..............37 1. Specifications..................38 2. Dimensions....................39 2-1. Model: AOHG24LBCB ....................39 3. Installation space ..................40 3-1. Model: AOHG24LBCB ....................40 4. Refrigerant circuit ................... 43 4-1. Model: AOHG24LBCB ....................43 5. Wiring diagrams ..................44 5-1.
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Page 5: Part 1. Indoor Unit
Part 1. INDOOR UNIT DUCT TYPE: ARHG24LMLA... -
Page 6: Specifications
1. Specifications Type Inverter heat pump Model name ARHG24LMLA Power supply 230 V ~ 50 Hz Available voltage range 198—264 V Rated Btu/h 23,200 Cooling 0.9—8.0 Min.—Max. Btu/h 3,100—27,300 Capacity 8.00 Rated Btu/h 27,300 Heating 0.90—9.10 Min.—Max. Btu/h 3,100—31,000 Rated 2.21... - Page 7 Specifications for Lot10 Model name ARHG24LMLA Cooling Energy efficiency class Heating (Average) Cooling 6.8 (35°C) Pdesign Heating (Average) 6.0 (-10°C) SEER Cooling 6.20 kWh/kWh SCOP Heating (Average) 4.00 Annual energy consumption kWh/a QHE (Average) 2,099 - 3 -...
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Page 8: Dimensions
2. Dimensions 2-1. Model: ARHG24LMLA Unit: mm Φ205 Φ3.2 Front view 1,177 Gas pipe Drain port Liquid pipe Φ200 Drain port Φ5 Φ3.2 80 80 P125 × 3 = 375 P125 × 3 = 375 Φ5 1,015 1,135 Side view (L) -
Page 9: Maintenance Space Requirement
For future maintenance and service access, provide sufficient maintenance space. NOTE: Do not place any wiring or illumination in the maintenance space, as they will impede service. ¢ Model: ARHG24LMLA Unit: mm • Provide a service access for maintenance purposes. -
Page 10: Wiring Diagrams
3. Wiring diagrams 3-1. Model: ARHG24LMLA - 6 -... -
Page 11: 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: ARHG24LMLA 1,100 Indoor temperature °CDB °CWB... -
Page 12: Fan Performance
5. Fan performance 5-1. Fan performance curve ¢ Model: ARHG24LMLA (Normal mode) Static pressure (Pa) Fan speed Item — — — — — — — 1200 1100 1000 HIGH — — — — — — — — — — —... - Page 13 HEATING 104.0 102.0 100.0 Capacity 98.0 96.0 94.0 92.0 1,000 1,100 1,200 1,300 Airflow (m - 9 -...
- Page 14 ¢ Model: ARHG24LMLA (Static pressure mode 1) Static pressure (Pa) Fan speed Item — — — — — — 1200 1000 HIGH — — — — — — — — — — — — — — — — 1000 —...
- Page 15 ¢ Model: ARHG24LMLA (Static pressure mode 2) Static pressure (Pa) Fan speed Item — — — — — — 1160 HIGH — — — — — — — — — — — — — — — — 1020 — —...
- Page 16 ¢ Model: ARHG24LMLA (Static pressure mode 3) Static pressure (Pa) Fan speed Item — — — — — — 1100 HIGH — — — — — — — — — — — — — — — — 1000 — —...
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Page 17: Operation Noise (Sound Pressure)
6. Operation noise (sound pressure) 6-1. Noise level curve ¢ Model: ARHG24LMLA 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 HIGH HIGH NC-30 NC-30 NC-25 NC-25 QUIET QUIET NC-20 NC-20... -
Page 18: 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 - 14 -... -
Page 19: Safety Devices
7. Safety devices Model Protection form ARHG24LMLA Circuit protection Current fuse (PCB*) 250 V, 3.15 A 135 ± 15 °C Activate Fan motor stop Thermal protection program 115 ± 15 °C Fan motor protection Reset Fan motor restart 1.10—1.42 A... -
Page 20: External Input And Output
8. External input and output Connector Input Output Remarks CN102 Control inpt (Operation/Stop) — CN103 — Operation status output See external input/output settings for details. — Fresh air control output CN10 — Auxiliary heater output 8-1. External input ¢ Control input (Operation/Stop or Forced stop) The air conditioner can be remotely operated by means of the following on-site work. - Page 21 • When function setting is in "Forced stop" mode Input signal Forced stop Command Normal Operation Indoor unit Stop Remote controller Remote control operation invalidity Optional part Model name Exterior External input wire UTD-ECS5A - 17 -...
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Page 22: External Output
8-2. External output With using external output function, operating status of this product can be transmitted to the ex- ternal device, and also, this product can be inter-connected with the external device. ¢ Operation status output Circuit diagram example Indoor unit Connected unit control PCB... - Page 23 ¢ Fresh-air control output Signal linked to the indoor unit fan on can be output. NOTE: In cold-air prevention control operation, the signal becomes off. Circuit diagram example Indoor unit Connected unit control PCB Example: Fan Example: 12 V Connector Relay unit Relay...
- Page 24 ¢ Auxiliary heater output When indoor unit fan and compressor is turned on in heating operation, the signal is output from connector. Specifications of the signal output performance are as shown as follows: Example: When set temperature (Ts) is set at 22 °C; •...
- Page 25 Optional part Model name Exterior Heater output wire UTD-ECS5A - 21 -...
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Page 26: Wired Remote Controller
9. Wired remote controller 9-1. Overview a START/STOP button Starts and stops operation. b SET TEMP. button Selects the setting temperature. c MODE button Selects the operating mode (AUTO , HEAT ,FAN , COOL , and DRY d FAN button Selects the fan speed AUTO ,QUIET , LOW... -
Page 27: Specifications
9-2. Specifications Dimensions and other specifications on the wired remote controller are as follows. Unit: mm Front view Side view Size (H × W × D) 120 × 120 × 18 Weight Cable length (accessory) Power Wiring specifications Cable size Wire type Remarks Remote controller cable... -
Page 28: Function Settings
NOTE: Incorrect settings can cause a product malfunction. 10-1. Function settings on indoor unit ¢ Model: ARHG24LMLA By using some components on the PC board, you can change the function settings. Related components on the PC board and the applicable settings... - Page 29 DIP switch setting • Remote controller address setting When operating a number of indoor units by using a wired remote controller, DIP switch setting 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...
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Page 30: 10-2.Function Settings By Using Remote Controller
10-2. Function settings by using remote controller Some function settings can be changed on the remote controller. After confirming the setting pro- cedure and the content of each function setting, select appropriate functions for your installation environment. ¢ Setting procedure by using wired remote controller The function number and the associated setting value are displayed on the LCD of the remote controller. - Page 31 Repeat steps 3 to 6 to perform additional settings. Press the SET TEMP. buttons ( and FAN button simultaneously again for more than 5 seconds to cancel the function setting mode. In addition, the function setting mode will be automatically canceled after 1 minute if no operation is performed.
- Page 32 ¢ 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 33 4) Room temperature sensor control for heating 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. Function number Setting value Setting description Factory setting Standard ♦...
- Page 34 9) Room temperature sensor switching (Aux.) To use the temperature sensor on the wired remote controller only, change the setting to "Wired remote controller" (01). This function will only work if the function setting 42 is set at "Both" (01). When the setting value is set to "Both"...
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Page 35: 10-3.Function Settings On Wired Remote Controller
10-3. Function settings on wired remote controller By using some components on the wired remote controller, you can change the function settings related on the remote controller. ¢ Component location Components on the wired remote controller used for the function settings are located as shown in the following figure. - Page 36 • SW6: Memory backup setting Set to ON to use the batteries for memory backup. If the batteries are not used, all of the settings stored in the memory will be deleted if there is power failure. Memory backup Factory setting Disabled ♦...
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Page 37: Accessories
11. Accessories 11-1. Model: ARHG24LMLA Part name Exterior Q’ty Part name Exterior Q’ty Operating manual Remote controller Installation manual Remote controller (For indoor unit) cable Hanger Screw Coupler heat Drain hose insulation insulation (large) Coupler heat Cable tie (large) insulation (small) -
Page 38: Optional Parts
12. Optional parts 12-1. Controllers Exterior Part name Model name Summary Large and full-dot liquid crystal Wired remote screen, wide and large keys easy to UTY-RVNGM controller press, user-intuitive arrow key. Wire type: Polar 3-wire Room temperature can be controlled by detecting the temperature Wired remote UTY-RNNGM... -
Page 39: 12-2.Others
12-2. Others Exterior Part name Model name Summary Use to connect with various (×1) (×2) External control UTD-ECS5A peripheral devices and air conditioner PCB. (Set of 6) (×1) (×2) Thermo-sensor for sensing the Remote sensor UTY-XSZX temperature of arbitrary place in the unit room. - Page 40 - 36 -...
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Page 41: Part 2. Outdoor Unit
Part 2. OUTDOOR UNIT SINGLE TYPE: AOHG24LBCB... -
Page 42: Specifications
1. Specifications Type Inverter heat pump Model name AOHG24LBCB Power supply 230 V ~ 50 Hz Available voltage range 198—264 V Starting current Cooling 2,850 Airflow rate Heating 2,700 Type × Q'ty Propeller × 1 Motor output Cooling Sound pressure level *1 dB (A) Heating Cooling... -
Page 43: Dimensions
2. Dimensions 2-1. Model: AOHG24LBCB Unit: mm Pitch of bolts for installation Top view Side view Front view Side view - 39 -... -
Page 44: Installation Space
3. Installation space 3-1. Model: AOHG24LBCB ¢ 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 45 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 3 units or more are arranged in a line, provide the space as shown in the following example “When an obstruction in the upper space:”.
- Page 46 Outdoor units installation in multi-row Unit: mm Single parallel unit arrangement Multiple parallel unit arrangement 100 or more 200 or more 1,000 or more 2,000 or more 200 or more 400 or more 500 or more 1,000 or more 200 or more 250 or more 1,000 or more...
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Page 47: Refrigerant Circuit
4. Refrigerant circuit 4-1. Model: AOHG24LBCB Heat exchanger 3-way (INDOOR) valve 2-way Muffler valve Muffler Receiver 4-way valve Strainer Expansion valve Accumulator Heat exchanger Strainer (OUTDOOR) Cooling Heating : Thermistor (Discharge temperature) : Thermistor (Outdoor temperature) : Thermistor (Heat exchanger out temperature) : Thermistor (Room temperature) - 43 -... -
Page 48: Wiring Diagrams
5. Wiring diagrams 5-1. Model: AOHG24LBCB - 44 -... -
Page 49: 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: AOHG24LBCB NOTE: Values mentioned in the table are calculated based on the maximum capacity. -
Page 50: Additional Charge Calculation
7. Additional charge calculation 7-1. Model: AOHG24LBCB Refrigerant type R410A Refrigerant amount 1,500 ¢ Refrigerant charge Total pipe length 15 or less 30 (Max.) 20 g/m Additional charge - 46 -... -
Page 51: Airflow
8. Airflow 8-1. Model: AOHG24LBCB Cooling 2,850 1,677 Heating 2,700 1,589 - 47 -... -
Page 52: Operation Noise (Sound Pressure)
9. Operation noise (sound pressure) 9-1. Noise level curve ¢ Model: AOHG24LBCB 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 53: Electrical Characteristics
10. Electrical characteristics Model name AOHG24LBCB Voltage 230 ~ Power supply Frequency Max operating current *1 15.7 Starting current Circuit breaker current Power cable Wiring spec. *2 Cross-sectional area Connection cable *3 Limited wiring length *1: Maximum operating current is the total current of the indoor unit and the outdoor unit. *2: Selected sample based on Japan Electrotechnical Standards and Codes Committee E0005. -
Page 54: Safety Devices
11. Safety devices Model Type of protection Protection form AOHG24LBCB 250 V, 25 A Circuit protection Current fuse (Main PCB) 250 V, 5 A 250 V, 3.15 A 125±10 °C Activate Fan motor stop Fan motor Terminal protection protection program 120±10 °C Reset Fan motor restart... -
Page 55: Accessories
12. Accessories 12-1. Model: AOHG24LBCB Part name Exterior Q’ty Part name Exterior Q’ty Installation manual Drain pipe - 51 -...
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