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INSTALLATION MANUAL
VRF SYSTEM OUTDOOR UNIT
For authorized service personnel only.
MANUEL D'INSTALLATION
UNITÉ EXTÉRIEURE À SYSTÈME VRF
Pour le personnel agréé uniquement
MANUAL DE INSTALACIÓN
UNIDAD EXTERIOR DEL SISTEMA VRF
Solo para personal de servicio autorizado
AOU36RLAVM4
AOU48RLAVM4
AOU60RLAVM4
PART No. 9380545361-03
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Related Manuals for Fujitsu AOU36RLAVM4
Summary of Contents for Fujitsu AOU36RLAVM4
- Page 1 VRF SYSTEM OUTDOOR UNIT For authorized service personnel only. MANUEL D’INSTALLATION UNITÉ EXTÉRIEURE À SYSTÈME VRF Pour le personnel agréé uniquement MANUAL DE INSTALACIÓN UNIDAD EXTERIOR DEL SISTEMA VRF Solo para personal de servicio autorizado AOU36RLAVM4 AOU48RLAVM4 AOU60RLAVM4 PART No. 9380545361-03...
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Page 2: Table Of Contents
INSTALLATION MANUAL 1. SAFETY PRECAUTIONS VRF system outdoor unit This installation manual describes how to install the outdoor unit only. To install the indoor PART No. 9380545361-03 unit, refer to the installation manual included with the indoor unit. Contents IMPORTANT! Please Read Before Starting SAFETY PRECAUTIONS …………………………………………………………………... -
Page 3: About This Product
When Connecting Refrigerant Tubing CAUTION • Keep all tubing runs as short as possible. This unit must be installed by qualified personnel with a capacity certificate for handling • Use the brazing method for connecting tubing. refrigerant fluids. Refer to regulation and laws in use on installation location. •... -
Page 4: Special Tools For R410A
Connectable total Outdoor unit cool- Maximum connect- For maintenance purposes, do not bury the piping. Model indoor unit capacity ing capacity [BTU] able indoor units ratio [%] AOU36RLAVM4 36,000 3.2. Space requirement AOU48RLAVM4 48,000 50 to 150 (*1) CAUTION AOU60RLAVM4 60,000 *1: The conditions may differ depending on the connected indoor unit. -
Page 5: Transporting The Unit
3.2.1 Single outdoor unit installation 3.2.3 Outdoor units installation in multi row Unit: in (mm) When the upward area is open Unit: in (mm) * The following settings are not recommended in case of cooling by a low outside tem- perature. -
Page 6: System Configuration
[Btu] 8 (200) 12 (300) Windbreak Liquid pipe Gas pipe Liquid pipe Gas pipe * Follow the requirements described in "3.2. Space requirement" when installing the AOU36RLAVM4 36,000 3/8 (9.52) 5/8 (15.88) 3/8 (9.52) 3/4 (19.05) windbreak. AOU48RLAVM4 48,000 3/8 (9.52) 5/8 (15.88) -
Page 7: Pipe Installation
Separation tube 5. PIPE INSTALLATION 2 ft (0.5 m) or more To indoor unit 5.1. Brazing 2 ft (0.5 m) or more Header CAUTION If air or another type of refrigerant enters the Pressure regulating valve refrigeration cycle, the internal pressure in To indoor unit the refrigeration cycle will become abnormally high and prevent the unit from exerting its full... -
Page 8: Pipe Connection
5.4. Pipe connection CAUTION Hold the torque wrench at its grip, keeping it in a right angle with the pipe, in order to CAUTION tighten the flare nut correctly. Outer panel may be distorted if Blank cap Do not use mineral oil on a flared part. Prevent mineral oil from getting into the system Flare nut fastened only with a wrench. -
Page 9: Electrical Wiring
MAX. CKT. BKR GFEB Do not crossover power supply wiring for the outdoor unit. If the electrical power is inadequate, contact your electric power company. AOU36RLAVM4 29.8 A 30 A 30 mA Install a breaker in a location that is not exposed to high temperatures. -
Page 10: Transmission Line
6.4.3 Enabling/Disabling automatic address setting 6.4. Transmission line You can enable/disable automatic address setting for the indoor unit and the Signal ampli- fier. CAUTION To enable automatic address setting for the indoor unit, connect the indoor unit to outdoor units under the same refrigerant system. Caution when wiring cable: When stripping off the coating of lead wire, always use the exclusive tool such as a wire Example:... -
Page 11: External Input And External Output
6.5.2 Wiring procedure Conduit installation Please fix the conduit plate (accessory) as shown in the figure below. • Remove the service panel. And connect the cable to the terminal in accordance with the terminal name plate. Front connection Lateral connection Rear connection •... -
Page 12: Field Setting
6.6.2 External input terminal 6.6.3 External output terminal Setting to low noise mode, cooling priority/heating priority selection, outdoor unit operation You can detect the operation condition of outdoor unit and the abnormal situation of both peak control setting, emergency/batch stop and electricity meter pulse are possible from indoor and outdoor unit. -
Page 13: Rotary Switch Setting
7.2.2 Terminating resistor setting Normal mode Save energy mode CAUTION Cooling capacity High power mode 1 shift (*1) Be sure to set the terminal resistor according to specifications. High power mode 2 Set the terminal resistor for every network segment (NS). Prohibited If terminal resistor is set in multiple devices, the overall communication system may be Set this item when necessary. - Page 14 (1) Turn on the power of the outdoor unit and enter standby mode. -4.0°F (-20°C) • When system is abnormal • When system is normal -0.4°F (-18°C) Check the settings as there is an error in the POWER/MODE lamp lights up. 3.2°F (-16°C) settings for outdoor unit address (ERROR lamp is off.)
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Page 15: Address Setting For Signal Amplifi Ers
7.6.2 Procedures to enable automatic address setting on indoor 7.5. Address setting for Signal amplifi ers units 7.5.1 Address setting for Signal amplifi ers Check that the rotary switch IU AD on the indoor unit PC board is set to “00”.If it is not set to “00”, it means the address of that device is not set. -
Page 16: Pipe Installation Ii
[in (mm)] for pipe length [lbs/ft Do not purge the air with refrigerants, but use a vacuum pump to evacuate the system. AOU36RLAVM4 10.58 (4.80) (kg/m)] • If moisture enter the piping, follow below. (i.e., if doing work during the rainy season, AOU48RLAVM4 11.68 (5.30) -
Page 17: Installing Insulation
(1) Calculation of additional amount for pipe length 9. TEST RUN Total length of ø 3/8 in Total length of ø 1/4 in (ø 9.52 mm) liquid (ø 6.35 mm) liquid a × 0.039 a × 0.014 9.1. Indoor unit connection check pipe pipe (×... -
Page 18: Pre-Check For Test Run
9.1.3 Error displays Test operation setting method Use the “MODE/EXIT”, “SELECT”, and “ENTER” buttons on the indoor unit PC board to • When error occurs, “Err” and “Number of errors occurred” are alternately displayed on configure settings according to the procedures below. the 7 segment display every 1 second. -
Page 19: Led Status
10. LED STATUS You can determine the operating status by the lighting up and blinking of the LED display. Check the status using the table below. 10.1. Normal operation codes Mode CODE DESCRIPTION Cooling Heating r During oil recovery operation Operation F During defrosting operation P C During power saving operation...
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Questions and answers
err 1. Just pulled a vac and recharged unit. Err 1 persists
Error code 1 is not listed among the error codes provided for the Fujitsu AOU36RLAVM4 unit. Therefore, its meaning cannot be determined from the available information.
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