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AOU36RLAVS4
AOU48RLAVS4
INSTALLATION MANUAL
VRF SYSTEM OUTDOOR UNIT
For authorized service personnel only.
MANUEL D'INSTALLATION
UNITÉ EXTÉRIEURE À SYSTÈME VRF
Pour le personnel de service agrée uniquement.
MANUAL DE INSTALACIÓN
UNIDAD EXTERIOR DEL SISTEMA VRF
Únicamente para personal de servicio autorizado.
PART No. 9380545378-03
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Related Manuals for Fujitsu AOU36RLAVS4
Summary of Contents for Fujitsu AOU36RLAVS4
- Page 1 VRF SYSTEM OUTDOOR UNIT For authorized service personnel only. MANUEL D'INSTALLATION UNITÉ EXTÉRIEURE À SYSTÈME VRF Pour le personnel de service agrée uniquement. MANUAL DE INSTALACIÓN UNIDAD EXTERIOR DEL SISTEMA VRF Únicamente para personal de servicio autorizado. AOU36RLAVS4 AOU48RLAVS4 PART No. 9380545378-03...
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Page 2: Table Of Contents
INSTALLATION MANUAL 1. SAFETY PRECAUTIONS VRF system outdoor unit PART No. 9380545378-03 This installation manual describes how to install the outdoor unit only. To install the indoor unit, refer to the installation manual included with the indoor unit. Contents IMPORTANT! SAFETY PRECAUTIONS …………………………………………………………………... -
Page 3: About This Product
When Connecting Refrigerant Tubing CAUTION This unit must be installed by qualified personnel with a capacity certificate for handling • Keep all tubing runs as short as possible. • 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
[BTU] able indoor units ratio [%] Keep the length of the piping of the indoor and outdoor units within the allowable range. AOU36RLAVS4 36,000 For maintenance purposes, do not bury the piping. 50 to 130 (*1) AOU48RLAVS4 48,000 3.2. -
Page 5: Transporting The Unit
3.2.1. Single outdoor unit installation 3.2.3. Outdoor units installation in multi row 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. Unit: in (mm) (1) Obstacles at rear only (2) Obstacles at rear and sides only (1) Single parallel unit arrangement... -
Page 6: System Configuration
+ d + e + f + g + h + i + j + k ≤ 262 ft (80 m) Connection example • Total refrigerant amount ≤ 15 lb (6.83 kg) Outdoor unit: AOU36RLAVS4 Indoor unit: ARUM36TLAV Gas pipe size: Fig. -
Page 7: Indoor Unit Pipe Connections
5.2. Indoor unit pipe connections Fig. A CAUTION For details, refer to the Installation Instruction Sheet of each part. Service panel Separation tube Horizontal Vertical Outdoor unit or Refrigerant branch kit Fig. B Fig. C Horizontal line Indoor unit or Refrigerant ±... -
Page 8: Electrical Wiring
5.4.2. Bending pipes 6. ELECTRICAL WIRING CAUTION 6.1. The precautions of electrical wiring To prevent breaking of the pipe, avoid sharp bends. Bend the pipe with a radius of curvature of 4 in (100 mm) or more. WARNING If the pipe is bent repeatedly at the same place, it will break. Wiring connections must be performed by a qualified person in accordance with •... -
Page 9: Knockout Hole
2 cable + Ground, ~, 208/230 V Outdoor unit Model MAX. CKT. BKR GFEB Touch panel Indoor unit AOU36RLAVS4 29.7 A 30 A 30 mA controller 0.1 s or less When AB + BC + BD > 500 m AOU48RLAVS4 33.4 A... -
Page 10: Wiring Method
6.4.3. Enabling/Disabling automatic address setting 6.5.2. Wiring procedure You can enable/disable automatic address setting for the indoor unit and the Signal ampli- • Remove the service panel. And connect the cable to the terminal in accordance with the fier. terminal name plate. To enable automatic address setting for the indoor unit, connect the indoor unit to outdoor •... -
Page 11: External Input And External Output
Shielding the transmission cable 6.6.2. External input terminal Connect both ends of the shielded Wind with insulation tape to prevent short circuit Setting to low noise mode, cooling priority/heating priority selection, outdoor unit operation wire of the transmission cable to peak control setting, emergency/batch stop and electricity meter pulse are possible from the earth (ground) terminal of the the outside. -
Page 12: Field Setting
6.6.3. External output terminal 7.2.2. Terminal resistor setting You can detect the operation condition of outdoor unit and the abnormal situation of both CAUTION indoor and outdoor unit. Be sure to set the terminal resistor according to specifications. Wiring method and specifications Output Connector Status... - Page 13 Normal mode -4.0°F (-20°C) Heating capacity Save energy mode -0.4°F (-18°C) shift (*1) High power mode 1 3.2°F (-16°C) High power mode 2 Outdoor tempera- 6.8°F (-14°C) Set this item when necessary. ture zone bound- 10.4°F (-12°C) Prohibited (Factory default) ary temperature 14.0°F (-10°C)
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Page 14: Address Setting For Signal Amplifiers
(1) Turn on the power of the outdoor unit and enter standby mode. 7.5. Address setting for Signal amplifi ers • When system is abnormal • When system is normal Check the settings as there is an error in the POWER/MODE lamp lights up. -
Page 15: Resistance Measurement Of Transmission Cable (Measure With Breaker Off)
NOTES: 8. PIPE INSTALLATION II • The automatic address function can be used for a maximum of 8 indoor units installed to the same refrigerant system. When network is connected to other refrigerant systems, Fig. A Connection system Fig. B the automatic address function cannot be used. -
Page 16: Additional Charging
[lb (kg)] pipe length [lb/ft (kg/m)] If the outdoor unit is installed at a level that is higher than Putty AOU36RLAVS4 8.82 (4.0) Ø 1/4 (6.35) 0.014 (0.021) the indoor unit, the water that has condensed in the 3-way AOU48RLAVS4 8.82 (4.0) -
Page 17: Test Run
9.1.3. Error displays 9. TEST RUN • When error occurs, “Err” and “Number of errors occurred” are alternately displayed on the 7 segment display every 1 second. 9.1. Indoor unit connection check • For the content of error, please refer to the “10.2. Error codes”. •... -
Page 18: Checklist
Test operation setting method 10. LED STATUS Use the “MODE/EXIT”, “SELECT”, and “ENTER” buttons on the indoor unit PC board to You can determine the operating status by the lighting up and blinking of the LED display. configure settings according to the procedures below. Check the status using the table below.